CN102535010A - Production equipment of compound non-woven fabric absorber, process and compound non-woven fabric absorber - Google Patents
Production equipment of compound non-woven fabric absorber, process and compound non-woven fabric absorber Download PDFInfo
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- CN102535010A CN102535010A CN2011104381102A CN201110438110A CN102535010A CN 102535010 A CN102535010 A CN 102535010A CN 2011104381102 A CN2011104381102 A CN 2011104381102A CN 201110438110 A CN201110438110 A CN 201110438110A CN 102535010 A CN102535010 A CN 102535010A
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Abstract
The invention relates to production equipment of compound non-woven fabric absorber, which comprises a transmission unit, a lapping unit and a consolidating unit. The lapping unit is used to form a non-woven fabric fiber compound on the transmission unit and the non-woven fabric fiber compound is formed by at least a first thermally melting fiber layer and a hydrophilic fiber layer that are laminated. The transmission unit is used to transmit the non-woven fabric fiber compound in a predetermined transmission direction. the consolidating unit is used to provide at least a pulse hot air which is used to spray and impact the non-woven fabric fiber compound so as to soften the thermally melt fiber of the first thermally melting fiber layer and introduce the softened thermally melt fiber into the hydrophilic fiber layer so as to form consolidating points. The invention further relates to a preparation process of the compound non-woven fabric absorber and the compound non-woven fabric absorber.
Description
Technical field
The present invention relates to a kind of compound nonwoven cloth absorber production equipment, technology and compound nonwoven cloth absorber.
Background technology
Macromolecule polymer material mostly has hot melt, and promptly being heated to after the uniform temperature can softening fusion, becomes the rheid with certain flowability, solidifies again after the cooling, becomes solid.The heat bonding nonwovens process is exactly this characteristic of utilizing the hot melt macromolecule polymer material, makes the fiber web softening fusion of rear section fiber or hot melt powder of being heated, and produces adhesion between fiber, and cooling back fiber web obtains reinforcing and becoming the heat bonding nonwoven material.Present widely used thermal bonding technology mainly comprises hot melt method, hot calendering bonding method and ultrasonic wave Method for bonding, and wherein the application with hot melt adhesive and hot calendering bonding method is the most extensive.
Hot melt method generally adopts the mode of the oven drying of hot-air through type; Its technical process is before fiber opening mixed process, meldable fibre or polymer powder to be entrained in the main fibre; Make its with main fibre together through shredding, mix and combing and being evenly distributed in the fibre web; Utilize hot blast heating then so that meldable fibre in the fibre web or polymer powder melted by heating, melt takes place to flow and condense on the fiber intersection points, reaches the purpose of bonding main body fibre web.The hot calendering bonding method also is to utilize the melted by heating of hot-melt polymer, flow and condense to reach the purpose of adhesion fiber web.What they were different with hot melt is that it realizes the heat bonding to the non-weaving cloth fibre web with the baking oven of the form replacement hot melt method of hot roll.This technical process is that loose fibre web is transported between the roll of a pair of heating; Along with fibre web passes through from roll a little; Make fiber receive heat and pressure effect, fusion takes place and form welding, thereby realize the fixed cloth that forms fibre web at place, interfibrous crosspoint from roll.
In existing production technology; No matter adopt above-mentioned hot melting way or hot pressing mode to produce the compound nonwoven cloth absorber; The hot-melt fiber that in process, all is easy to occur after the fusion sticks together in flakes or the phenomenon of slivering each other; Thereby hot melt zone or hot pressing zone at the compound nonwoven cloth absorber form lump; These lump not only influence the feel of compound nonwoven cloth absorber, and the lump zone that forms can have influence on the softness and the water absorbing properties of compound nonwoven cloth absorber greatly, thereby the compound nonwoven cloth absorber serviceability that causes making descends.
Summary of the invention
In view of this, provide a kind of compound nonwoven cloth absorber production equipment that can address the above problem, technology and compound nonwoven cloth absorber real for necessary.
A kind of compound nonwoven cloth absorber production equipment, it comprises: transmission unit, it comprises the holding lace curtaining; The lapping unit; It comprises the first hot-melt fiber lapping machine and hydrophilic fibre lapping machine; This first hot-melt fiber lapping machine is used to export first hot-melt fiber stream to form the first hot-melt fiber layer; This hydrophilic fibre lapping machine is used to export hydrophilic fibre stream to form hydrophilic fiber layer; This lapping unit is used on this holding lace curtaining, forming the non-woven fabrics fiber complex, and this non-woven fabrics fiber complex is formed by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another at least, and this holding lace curtaining is used for carrying this non-woven fabrics fiber complex according to the scheduled transmission direction; Consolidation unit; It is used to provide at least one beam pulse thermal current; This at least one beam pulse thermal current is used for this non-woven fabrics fiber complex is carried out jet impact; So that the hot-melt fiber of this first hot-melt fiber layer is softening, and the hot-melt fiber after will softening is brought formation anchoring point in this hydrophilic fiber layer into.
A kind of compound nonwoven cloth absorber preparation technology; It comprises the steps: to provide multiple fibre stream; This majority fibre stream comprises first hot-melt fiber stream and hydrophilic fibre stream; This first hot-melt fiber stream is used to form the first meldable fibre layer; This hydrophilic fibre stream is used to form hydrophilic fiber layer, utilizes this multiple fibre stream on the holding lace curtaining, to form the non-woven fabrics fiber complex, and this non-woven fabrics fiber complex is formed by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another at least; One consolidation unit is provided; Said consolidation unit is used for spraying a branch of at least pulse thermal current; Utilize this at least one beam pulse thermal current that this non-woven fabrics fiber complex is sprayed; Be clamminess so that the hot-melt fiber on this non-woven fabrics fiber complex top layer is softening, and under the drive of this at least one beam pulse thermal current, turn to and the inside that gets into this non-woven fabrics fiber complex forms anchoring point along the injection direction bending of this pulse thermal current.
A kind of compound nonwoven cloth absorber; It comprises first hot-melt fiber layer and the hydrophilic fiber layer; This first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another are provided with; This first hot-melt fiber laminar surface has the micropore that extends along the thickness direction of this compound nonwoven cloth absorber, and at this micropore place, the hot-melt fiber of this first hot-melt fiber layer extends in this hydrophilic fiber layer along this micropore and forms hot cementation knot with this hydrophilic fiber layer.
Compared with prior art; This compound nonwoven cloth absorber production equipment provided by the present invention, technology and compound nonwoven cloth absorber; It comes to carry out fixed to the non-woven fabrics fiber complex that includes the hot-melt fiber material through adopting the pulse heated air jets; Make this hot-melt fiber softening earlier being clamminess under the impact of this pulse heated air jets; Under the drive of this pulse heated air jets, bending to the thickness direction of this non-woven fabrics fiber complex then turns to, and under the drive of this pulse heated air jets, enters into the fibrage of lower floor and bonding fixed with the fiber of lower floor fibrage.And because heated air jets used in the present invention is to impact fixed with the form of pulse to the non-woven fabrics fiber complex; Therefore; On the direction of advance of non-woven fabrics fiber complex, can not form continuous hot melt zone; Avoided the hot-melt fiber adhesion in flakes or the phenomenon of slivering; And can control the density and the distribution of the anchoring point in the non-woven fabrics fiber complex through the pulse frequency of distribution density, distribution mode and heated air jets of control jet, control the pliability and the fluffy performance of prepared compound nonwoven cloth absorber with this.In addition; Under the impact of the pulse heated air jets of this compound nonwoven cloth consolidation device; The non-woven fabrics fiber complex by shock zone, can form trickle impact hole along its thickness direction, and turning to of hot-melt fiber can cause also near this fiber that is impacted the hole to be higher than other zone along the fiber architecture density of thickness direction; Fiber architecture density along its length is lower than other zone, and such fibre structure can well improve the rate of water absorption of compound nonwoven cloth absorber.Further; This non-woven fabrics fiber complex being carried out heated air jets at this compound nonwoven cloth absorber production equipment impacts in the fixed process; The impact strength of the pulse heated air jets that can also spray through the consolidation unit of regulating this compound nonwoven cloth absorber production equipment and the diameter of pulse heated air jets are controlled the diameter that the meldable fibre that is softened in the hot-melt fiber layer enters into the degree of depth in the hydrophilic fiber layer and impacts hole, so that the compound nonwoven cloth absorber that makes satisfies different user demands.
Description of drawings
Fig. 1 is the structural representation of the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention, and it comprises lapping unit and consolidation unit.
Fig. 2 is first kind of mode of texturing of the lapping unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention.
Fig. 3 is second kind of mode of texturing of the lapping unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention.
Fig. 4 is the third mode of texturing of the lapping unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention.
Fig. 5 is the 4th a kind of mode of texturing of the lapping unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention.
Fig. 6 is the 5th a kind of mode of texturing of the lapping unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention.
Fig. 7 is the mode of texturing of the consolidation unit in the compound nonwoven cloth absorber production equipment that provides of embodiment of the present invention, wherein comprises gas source and housing in this consolidation unit.
Fig. 8 is the gas source shown in Figure 7 and the matching relationship sketch map of housing.
Fig. 9 is the gas source shown in Figure 7 and the matching relationship sectional view of housing.
The main element symbol description
| Compound nonwoven cloth |
100 |
| |
10 |
| The |
11 |
| The |
20 |
| The first hot-melt |
21 |
| First hot- |
211 |
| The first hot- |
212 |
| Hydrophilic |
22 |
| |
221 |
| |
222 |
| The second hot-melt |
23 |
| Second hot- |
231 |
| The second hot- |
232 |
| |
30 |
| The |
31 |
| |
311 |
| The |
312 |
| |
32，321 |
| Vaccum- |
33，330 |
| The pulse heated |
34 |
| The non-woven |
40，40A， |
| Gas source | |
| 310 | |
| |
313 |
| |
314 |
| |
320 |
| Heated |
322 |
The following specific embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
The specific embodiment
See also shown in Figure 1, the compound nonwoven cloth absorber production equipment 100 that embodiment of the present invention provides, it comprises transmission unit 10, lapping unit 20 and consolidation unit 30.
This transmission unit 10 comprises holding lace curtaining 11, and this transmission unit 10 is used for being formed on each workshop section that fiber composite on this holding lace curtaining 11 is sent to this compound nonwoven cloth absorber production equipment 100, so that this fiber composite is carried out processed.
This lapping unit 20 is used on this holding lace curtaining 11, laying non-woven fabrics fiber complex 40.
In this embodiment; This lapping unit 20 comprises the first hot-melt fiber lapping machine 21 and hydrophilic fibre lapping machine 22; Wherein, This first hot-melt fiber lapping machine 21 is used to export first hot-melt fiber stream 211 to form the first hot-melt fiber layer 212; This hydrophilic fibre lapping machine 22 is used to export hydrophilic fibre stream 221 to form hydrophilic fiber layer 222, and this first hot-melt fiber lapping machine 21 cooperatively interacts on this holding lace curtaining 11, to form non-woven fabrics fiber complex 40A with this hydrophilic fibre lapping machine 22, and this non-woven fabrics fiber complex 40A is formed with these hydrophilic fiber layer 222 stacked on top of one another by this first hot-melt fiber layer 212.
Preferably, this first hot-melt fiber lapping machine 21 is the hot-melt fiber device for melt blowing, and this hydrophilic fibre lapping machine 22 is a fiberizer.
This first hot-melt fiber lapping machine 21 can design according to different processes with the fit form of this hydrophilic fibre lapping machine 22; As shown in Figure 1; In this embodiment; This first hot-melt fiber lapping machine 21 can be provided with before and after the transmission direction of this transmission unit 10 with this hydrophilic fibre lapping machine 22, like this, and during work; This hydrophilic fibre lapping machine 22 can be laid hydrophilic fiber layer 222 earlier on this holding lace curtaining 11; This hydrophilic fiber layer 222 advances along the transmission direction of this transmission unit 10 under the drive of this holding lace curtaining 11 then, and when this hydrophilic fiber layer 222 was come the below of this first hot-melt fiber lapping machine 21, this first hot-melt fiber lapping machine 21 was laid this first hot-melt fiber layer 212 to form this non-woven fabrics fiber complex 40A in these hydrophilic fiber layer 222 laminated.
Understandable; As shown in Figure 2; In first kind of mode of texturing of this lapping unit 20; These first hot-melt fiber lapping machine, 21 relative these hydrophilic fibre lapping machines 22 can be certain inclination angle and be provided with, so that hydrophilic fibre stream 221 formation interflow before arriving this holding lace curtaining 11 of first hot-melt fiber stream 211 of these first hot-melt fiber lapping machine, 21 outputs and 22 outputs of this hydrophilic fibre lapping machine, thereby directly on this holding lace curtaining 11, form this non-woven fabrics fiber complex 40A.
Understandable, this first hot-melt fiber lapping machine 21 can also have the distortion of other form with the relative position relation of this hydrophilic fibre lapping machine 22, as long as can on this holding lace curtaining 11, form this non-woven fabrics fiber complex 40A.
Further, this lapping unit 20 can also comprise the second hot-melt fiber lapping machine 23, it is used to export second hot-melt fiber stream 231 to form the second hot-melt fiber layer 232.It is the folded respectively non-woven fabrics fiber complex 40B with three-layer sandwich structure that is located at these hydrophilic fiber layer 222 both sides of intermediate layer, this first hot-melt fiber layer 212 and the second hot-melt fiber layer 232 that this second hot-melt fiber lapping machine 23 cooperatively interacts on this holding lace curtaining 11, to form with this hydrophilic fiber layer 222 with this first hot-melt fiber lapping machine 21 and this hydrophilic fibre lapping machine 22.
Certainly; This second hot-melt fiber lapping machine 23 can design according to different processes with the fit form of this first hot-melt fiber lapping machine 21 and this hydrophilic fibre lapping machine 22; As shown in Figure 3; In second kind of mode of texturing of this lapping unit 20; This first hot-melt fiber lapping machine 21, hydrophilic fibre lapping machine 22 and 23 transmission directions along this transmission unit 10 of the second hot-melt fiber lapping machine set gradually; During work, this first hot-melt fiber lapping machine 21 is laid this first hot-melt fiber layer 212 earlier on this holding lace curtaining 11, and this hydrophilic fibre lapping machine 22 is laid hydrophilic fiber layer 222 in these first hot-melt fiber layer, 212 laminated then; Then this second hot-melt fiber lapping machine 23 is laid the second hot-melt fiber layer 232 in these hydrophilic fiber layer 222 laminated again, thereby forms this non-woven fabrics fiber complex 40B.
Understandable; As shown in Figure 4; In the third mode of texturing of this lapping unit 20; The both sides that are positioned at this hydrophilic fibre lapping machine 22 of this first hot-melt fiber lapping machine 21 and this second hot-melt fiber lapping machine 23 symmetries; And respectively relatively this hydrophilic fibre lapping machine 22 be certain inclination angle and be provided be the interflow of the three-layer sandwich structure in intermediate layer so that this first hot-melt fiber stream 211, hydrophilic fibre stream 221 and second hot-melt fiber stream 231 formed with this hydrophilic fibre stream 221 before arriving this holding lace curtaining 11, thereby directly on this holding lace curtaining 11, form this non-woven fabrics fiber complex 40B.
Understandable; This first hot-melt fiber lapping machine 21, hydrophilic fibre lapping machine 22 and second hot-melt fiber lapping machine 23 threes' relative position can also carry out other forms of distortion; As shown in Figure 5; In the 4th kind of mode of texturing of this lapping unit 20; The relative position of this first hot-melt fiber lapping machine 21, hydrophilic fibre lapping machine 22 and the second hot-melt fiber lapping machine 23 is on basis shown in Figure 4; This first hot-melt fiber lapping machine 21 is crisscross arranged on the direction perpendicular to this holding lace curtaining 11 with this second hot-melt fiber lapping machine 23; So that this first hot-melt fiber stream 211 forms the interflow of double-layer structure earlier with this hydrophilic fibre stream 221, making this second hot-melt fiber stream 231 before arriving this holding lace curtaining 11, form with this hydrophilic fibre stream 221 with this two-layer interflow more then is the interflow of the three-layer sandwich structure in intermediate layer, finally on this holding lace curtaining 11, forms this non-woven fabrics fiber complex 40B.
Understandable; The relative position of this first hot-melt fiber lapping machine 21, hydrophilic fibre lapping machine 22 and the second hot-melt fiber lapping machine 23 can further be out of shape at basic enterprising row shown in Figure 5; As shown in Figure 6; In the 5th kind of mode of texturing of this lapping unit 20; Making these first hot-melt fiber lapping machine, 21 relative these hydrophilic fibre lapping machines 22 be certain inclination angle is provided with; So that this first hot-melt fiber stream 211 arrives the interflow that this holding lace curtaining 11 forms double-layer structure before with this hydrophilic fibre stream 221; This two-layer interflow is forming the range upon range of double-layer structure of this first hot-melt fiber layer 212 and this hydrophilic fiber layer 222 on this holding lace curtaining 11 after, this second hot-melt fiber lapping machine 23 is set again this second hot-melt fiber layer 232 is formed on this hydrophilic fiber layer 222, thereby on this holding lace curtaining 11, form this non-woven fabrics fiber complex 40B then.
Understandable; This first hot-melt fiber lapping machine 21, hydrophilic fibre lapping machine 22 and second hot-melt fiber lapping machine 23 threes' relative position relation can also have the distortion of other form, as long as can on this holding lace curtaining 11, form this non-woven fabrics fiber complex 40B.
Preferably; This first hot-melt fiber lapping machine 21 and the employed fiber of second hot-melt fiber lapping machine 23 lappings are the hot melt long fiber; The employed fiber of these hydrophilic fibre lapping machine 22 lappings is the hydrophily staple fibre; Wherein this hot melt long fiber is selected from meltblown fibers and mixing thereof such as polyamide fiber, polyamide fiber, polyester fiber, polyurethane fiber, and this hydrophily staple fibre is selected from the artificial fibre and the mixing thereof of natural fabrics such as Time of Fluff Slurry, cotton, kapok, coir fibre, chitin fiber, alginate fibre, ramie, jute, flax, wool, silk and possess hydrophilic properties such as mixing and viscose thereof.
Preferably, the fibre density of this hydrophilic fiber layer 222 is less than the fibre density of this first hot-melt fiber layer 212 and the second hot-melt fiber layer 232.
Understandable, the fibrous material that constitutes this first hot-melt fiber layer 212 and the second hot-melt fiber layer 232 can be the same or different.
This consolidation unit 30 comprises hot gas source 31, a plurality of jet 32 and vaccum-pumping equipment 33; This consolidation unit 30 is used for that the non-woven fabrics fiber complex of being laid by this lapping unit 20 40 is carried out the pulse heated air jets and impacts fixed to form the compound nonwoven cloth absorber; At this, be the effect that example is introduced these consolidation unit 30 each parts with this non-woven fabrics fiber complex 40A that has double-layer structure in this non-woven fabrics fiber complex 40.
This hot gas source 31 is used to provide can make the softening pulse thermal current that is clamminess of hot-melt fiber.
In this embodiment, this hot gas source 31 comprises gas generating unit 311 and pulse valve 312.Wherein, This gas generating unit 311 is used to produce the softening hot gas that is clamminess of the hot-melt fiber that can make in this non-woven fabrics fiber complex 40; This pulse valve 312 is used to control the hot gas that this gas generating unit 311 of release is produced, to send the softening pulse thermal current that is clamminess of the hot-melt fibers that can make in this non-woven fabrics fiber complex 40.
In the present invention; The temperature of the hot-air that this hot gas source 31 is ejected is not limited to a certain temperature range; It depends on the softening melt temperature that need carry out fixed hot-melt fiber material; In general, the temperature of the hot-air that this hot gas source 31 is ejected can satisfy the making softening demand that is clamminess of most of hot-melt fibers roughly in 70 ~ 350 ℃ of scopes the time.
Understandable, in the present invention, make the compressed air source unit of the softening pulse thermal current that is clamminess of hot-melt fiber can be applicable to the present invention as long as can produce.
These a plurality of jets 32 are connected with this hot gas source 31, and the pulse thermal current that is used to supply this hot gas source 31 to be sent passes through to form the fine pulse heated air jets 34 of multi beam.
In this embodiment; These a plurality of jets 32 are arranged on the top of holding lace curtaining 11 and vertically towards this first hot-melt fiber layer 212, so that the pulse heated air jets 34 that is ejected by this jet 32 can be carried out vertical impact to this first hot-melt fiber layer 212.Certainly, this jet 32 also can out of plumb be provided with towards this first hot-melt fiber layer 212.
In the present invention; Through controlling distribution density and the arrangement mode of this jet 32 with respect to this first hot-melt fiber layer 212; The density and the distribution mode of anchoring point in this compound nonwoven cloth absorber of anchoring point in this compound nonwoven cloth absorber after the consolidation process be can control, the pliability and the fluffy performance of compound nonwoven cloth absorbent product controlled with this.
When work; The pulse heated air jets 34 that these a plurality of jets 32 are ejected is in the process that the hot-melt fiber to this first hot-melt fiber layer 212 impacts; The hot-melt fiber of this first hot-melt fiber layer 212; Especially the surface fibre of this first hot-melt fiber layer 212; Under the effect of this pulse heated air jets 34, can soften and be clamminess, and this first hot-melt fiber layer 212 softening surface fibre that is clamminess can be under the impact of this pulse heated air jets 34, bending along the impact direction of this pulse heated air jets 34 turns to; And be brought in the hydrophilic fiber layer 222 of lower floor by this pulse heated air jets 34; After the cooling, the fiber that enters in this hydrophilic fiber layer 222 will produce adhesive spots with this hydrophilic fiber layer 222, thereby this first hot-melt fiber layer 212 is consolidated with this hydrophilic fiber layer 222.And; Under the impact of this pulse heated air jets 34; Can be formed trickle impact hole by shock zone along its thickness direction at this non-woven fabrics fiber complex 40; Because the fiber of the first hot-melt fiber layer 212 bends under impacting and turns to; So near the fiber should the zone is higher than other zone along the fiber architecture density of thickness direction, fiber architecture density along its length is lower than other zone, and such fibre structure can well improve the rate of water absorption by the made compound nonwoven cloth absorber of this non-woven fabrics fiber complex 40.
Carry out when fixed as the folded respectively non-woven fabrics fiber complex 40B that is located at the three-layer sandwich structure of these hydrophilic fiber layer 222 both sides of intermediate layer, this first hot-melt fiber layer 212 and the second hot-melt fiber layer 232 with this hydrophilic fiber layer 222 when using 30 pairs of this consolidation unit; Can this jet 32 be arranged on the both sides of this holding lace curtaining 11; Impact fixed the two sides of this non-woven fabrics fiber complex 40B is all carried out hot-air; Thereby can form compound nonwoven cloth absorber with good water absorbing properties; This compound nonwoven cloth absorber can be as the base material of once-used water-absorption amenities, like wet towel, diaper etc.
Further; Carrying out heated air jets at 30 pairs of these non-woven fabrics fiber complexs 40 of this consolidation unit impacts in the fixed process; Can also control the meldable fibre that is softened in the first hot-melt fiber layer 212 and/or this second hot-melt fiber layer 232 through the impact strength of regulating the pulse heated air jets 34 that this consolidation unit 30 sprayed and enter into the degree of depth in this hydrophilic fiber layer 222, so that the compound nonwoven cloth absorber 200 that makes satisfies different user demands.
Certainly; When prepared composite nonwoven fabric absorber 200 has appearance requirement; The impact hole that in this non-woven fabrics fiber complex 40, is caused for fear of this pulse heated air jets 34 stays tangible hot-working vestige on the surface of this non-woven fabrics fiber complex 40; Can control the diameter of this pulse heated air jets 34 through the internal diameter of controlling this jet 32, preferred, the internal diameter of this jet 32 is less than 1mm.
This vaccum-pumping equipment 33 is positioned at the below of this holding lace curtaining 11 and is oppositely arranged with these a plurality of jets 32.This vaccum-pumping equipment 33 is used for the pulse heated air jets 34 that these a plurality of jets 32 eject is led, with directionality and the impact strength that improves this pulse heated air jets 34.
Understandable, when the issuing velocity of the pulse heated air jets 34 that is ejected when these a plurality of jets 32 and impact strength can satisfy technological requirement, this vaccum-pumping equipment 33 also can omit.
See also Fig. 7 to shown in Figure 9, the present invention also provides the another kind of structure of this consolidation unit 30, and it comprises gas source 310 and housing 320.
This gas source 310 roughly is cylindric, and it has sidewall 313, on this sidewall 313, offers the gas vent 314 that axially is the strip extension along this gas source 310, and this gas source 310 is passed through this gas vent 314 to extraneous heat outputting gas.
It is understandable that in other embodiment, this gas vent 314 can also be a plurality of, and distribute at the axially spaced-apart of this this gas source 310 of sidewall 313 upper edges.
This housing 320 is the cylindric of hollow, and it is set on the sidewall 313 of this gas source 310 and these gas source 310 rotations relatively.
Offer on this housing 320 and this gas vent 314 mutual corresponding jets 321; When these housing 320 relative these gas sources 310 turn to a certain position; This jet 321 can coincide with this gas vent 314, this moment by the hot gas of these gas vent 314 outputs via these jet 321 directive outsides to form heated air jets 322.
In this embodiment; This housing 320 is static relatively; This gas source 310 is being rotated in this housing 320 under the effect of driving force; Set the blanking time that this jet 321 overlaps with this gas vent 314 through the velocity of rotation of setting this gas source 310, outwards spray so that this heated air jets 322 is impulse form.
It is understandable that; Can also make this gas source 310 static relatively; And make its gas vent 314 towards non-woven fabrics fiber complex 40; Be provided with then and make this housing 320 rotations, set the blanking time that this jet 321 overlaps with this gas vent 314, outwards spray so that this heated air jets 322 is impulse form through the velocity of rotation that this housing 320 is set.
It is understandable that; Can also make this gas source 310 have different rotation speed respectively with this housing 320; As long as control the rotary speed of this gas source 310 and this housing 320 respectively; So that this gas vent 314 towards this non-woven fabrics fiber complex 40 time, just in time coincides to get final product to these non-woven fabrics fiber complex 40 these heated air jets 322 of emission with this jet 321.
Certainly; It is understandable that; When the gas vent 314 of the jet of this housing 320 321 and this gas source 310 is in the state that coincides; Also can be static relatively between this housing 320 and this gas source 310, only need this gas source 310 of control to get final product according to certain frequency transmitted pulse thermal current.
Need to prove; In this embodiment; Can seal through sealing ring, lubricated wet goods mechanical field seal form commonly used between this housing 320 and this gas source 310; To guarantee gas vent 314 when this gas source 310 when not coinciding with this jet 321, the hot gas that this gas source 310 is provided can not revealed in the fit clearance by this housing 320 and this gas source 310.
When this non-woven fabrics fiber complex 40A is carried out consolidation process; This consolidation unit 30 is arranged on the top of this first hot-melt fiber layer 212; And the jet 321 that makes this housing 320 is towards this first hot-melt fiber layer 212; Starting this gas source 310 rotates it in this housing 320; When the gas vent 314 of this gas source 310 coincides with this jet 321, will eject heated air jets 322 in this jet 321 and impact the hot-melt fiber of this first hot-melt fiber layer 212 with hot-melt fiber this first hot-melt fiber layer 212; Especially the surface fibre of this first hot-melt fiber layer 212; Under the effect of this heated air jets 322, can soften and be clamminess, and this first hot-melt fiber layer 212 softening surface fibre that is clamminess can be under the impact of this heated air jets 322, bending along the impact direction of this heated air jets 322 turns to; And be brought in the hydrophilic fiber layer 222 of lower floor by this heated air jets 322; After the cooling, the fiber that enters in this hydrophilic fiber layer 222 will produce adhesive spots with this hydrophilic fiber layer 222, thereby this first hot-melt fiber layer 212 is consolidated with this hydrophilic fiber layer 222.
It is understandable that; When 30 pairs of these non-woven fabrics fiber complexs 40 of this consolidation unit carry out consolidation process; Also can below this non-woven fabrics fiber complex 40, be provided with and these jet 321 corresponding vaccum-pumping equipments 330; Through this vaccum-pumping equipment 330 to leading, with directionality and the impact strength that improves this heated air jets 322 by the heated air jets 322 that ejects in this jet 321.
Certainly; When consolidation process be the non-woven fabrics fiber complex 40B with this hydrophilic fiber layer 222 three-layer sandwich structure that is the intermediate layer the time; It is fixed the two sides of this non-woven fabrics fiber complex 40B is all carried out the hot-air impact that this consolidation unit 30 need all be set in the both sides of this non-woven fabrics fiber complex 40B, thereby can form the compound nonwoven cloth absorber with good water absorbing properties.
Same; Can set the pulse frequency of this heated air jets 322 through the speed of relatively rotating of regulating this housing 320 and this gas source 310; And regulate this gas source 310 is controlled impact strength from this heated air jets 322 to the speed of extraneous released heat air; Thereby control the first hot-melt fiber layer 212 and or this second hot-melt fiber layer 232 in the meldable fibre that is softened enter into the degree of depth in this hydrophilic fiber layer 222 so that the compound nonwoven cloth absorber 200 that makes satisfies different user demands.
Certainly; Can control the diameter of this heated air jets 322 equally through the internal diameter of controlling this jet 321, stay tangible hot-working vestige on the surface of this non-woven fabrics fiber complex 40 to avoid this heated air jets 322 formed impact hole in this non-woven fabrics fiber complex 40.
The invention still further relates to and use above-mentioned compound nonwoven cloth absorber production equipment to prepare the technology and the compound nonwoven cloth absorber of compound nonwoven cloth absorber.
Need to prove; In embodiment provided by the present invention; Adopt heated air jets to represent the hot gas that ejects by consolidation unit; But this does not also mean that the thermal current that compound nonwoven cloth absorber production equipment provided by the present invention is sprayed is merely hot-air, and it can also be anyly can be under heated condition soften the gas that impacts to non-woven fabrics fiber.
Compared with prior art; This compound nonwoven cloth absorber production equipment provided by the present invention, technology and compound nonwoven cloth absorber; It comes to carry out fixed to the non-woven fabrics fiber complex that includes the hot-melt fiber material through adopting the pulse heated air jets; Make this hot-melt fiber softening earlier being clamminess under the impact of this pulse heated air jets; Under the drive of this pulse heated air jets, bending to the thickness direction of this non-woven fabrics fiber complex then turns to, and under the drive of this pulse heated air jets, enters into the fibrage of lower floor and bonding fixed with the fiber of lower floor fibrage.And because heated air jets used in the present invention is to impact fixed with the form of pulse to the non-woven fabrics fiber complex; Therefore; On the direction of advance of non-woven fabrics fiber complex, can not form continuous hot melt zone; Avoided the hot-melt fiber adhesion in flakes or the phenomenon of slivering; And can control the density and the distribution of the anchoring point in the non-woven fabrics fiber complex through the pulse frequency of distribution density, distribution mode and heated air jets of control jet, control the pliability and the fluffy performance of prepared compound nonwoven cloth absorber with this.In addition; Under the impact of the pulse heated air jets of this compound nonwoven cloth consolidation device; The non-woven fabrics fiber complex by shock zone, can form trickle impact hole along its thickness direction, and turning to of hot-melt fiber can cause also near this fiber that is impacted the hole to be higher than other zone along the fiber architecture density of thickness direction; Fiber architecture density along its length is lower than other zone, and such fibre structure can well improve the rate of water absorption of compound nonwoven cloth absorber.Further; This non-woven fabrics fiber complex being carried out heated air jets at this compound nonwoven cloth absorber production equipment impacts in the fixed process; The impact strength of the pulse heated air jets that can also spray through the consolidation unit of regulating this compound nonwoven cloth absorber production equipment and the diameter of pulse heated air jets are controlled the diameter that the meldable fibre that is softened in the hot-melt fiber layer enters into the degree of depth in the hydrophilic fiber layer and impacts hole, so that the compound nonwoven cloth absorber that makes satisfies different user demands.
In addition, those skilled in the art also can do other variation in spirit of the present invention.So these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (31)
1. compound nonwoven cloth absorber production equipment, it comprises:
Transmission unit, it comprises the holding lace curtaining, it is used for carrying the non-woven fabrics fiber complex according to the scheduled transmission direction;
The lapping unit; It comprises the first hot-melt fiber lapping machine and hydrophilic fibre lapping machine; This first hot-melt fiber lapping machine is used to export first hot-melt fiber stream to form the first hot-melt fiber layer; This hydrophilic fibre lapping machine is used to export hydrophilic fibre stream to form hydrophilic fiber layer; This lapping unit is used on this holding lace curtaining, forming this non-woven fabrics fiber complex, and this non-woven fabrics fiber complex is formed by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another at least;
Consolidation unit; It is used to provide at least one beam pulse thermal current; This at least one beam pulse thermal current is used for this non-woven fabrics fiber complex is carried out jet impact; So that the hot-melt fiber of this first hot-melt fiber layer is softening, and the hot-melt fiber after will softening is brought formation anchoring point in this hydrophilic fiber layer into.
2. compound nonwoven cloth absorber production equipment as claimed in claim 1; It is characterized in that: this first hot-melt fiber lapping machine and this hydrophilic fibre lapping machine are set up in parallel along the transmission direction of this holding lace curtaining; So that this hydrophilic fibre stream forms this hydrophilic fiber layer earlier on this holding lace curtaining; Then this first hot-melt fiber stream forms this first hot-melt fiber layer in this hydrophilic fiber layer laminated again, to form the non-woven fabrics fiber complex of this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another.
3. compound nonwoven cloth absorber production equipment as claimed in claim 1; It is characterized in that: this first hot-melt fiber lapping machine this hydrophilic fibre lapping machine relatively is obliquely installed; So that this first hot-melt fiber stream formed range upon range of interflow with this hydrophilic fibre stream before arriving this holding lace curtaining, thereby directly on this holding lace curtaining, form the non-woven fabrics fiber complex that forms by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another.
4. compound nonwoven cloth absorber production equipment as claimed in claim 1; It is characterized in that: this lapping unit further comprises the second hot-melt fiber lapping machine; This second hot-melt fiber lapping machine is used to export second hot-melt fiber stream to form the second hot-melt fiber layer, and it is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer that this second hot-melt fiber layer is used for matching to form with this hydrophilic fiber layer in the middle of this hydrophilic fiber layer folder is established with this first hot-melt fiber layer.
5. compound nonwoven cloth absorber production equipment as claimed in claim 4; It is characterized in that: this first hot-melt fiber lapping machine, hydrophilic fibre lapping machine and this second hot-melt fiber lapping machine are set up in parallel along the transmission direction of this holding lace curtaining; So that this first hot-melt fiber stream forms this first hot-melt fiber layer earlier on this holding lace curtaining; This hydrophilic fibre stream forms this hydrophilic fiber layer in this first hot-melt fiber layer laminated, and this second hot-melt fiber stream forms this second hot-melt fiber layer in this hydrophilic fiber layer laminated.
6. compound nonwoven cloth absorber production equipment as claimed in claim 4; It is characterized in that: relative respectively this hydrophilic fibre lapping machine of this first hot-melt fiber lapping machine and this second hot-melt fiber lapping machine tilts to be symmetrical set; So that this first hot-melt fiber stream, hydrophilic fibre stream and second hot-melt fiber stream formed with this hydrophilic fibre stream before reaching this holding lace curtaining is the three superimposed layer by layer streams in intermediate layer, is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby directly on this holding lace curtaining, form with this hydrophilic fiber layer.
7. compound nonwoven cloth absorber production equipment as claimed in claim 4; It is characterized in that: this first hot-melt fiber lapping machine and this second hot-melt fiber lapping machine are separately positioned on the both sides of this hydrophilic fibre lapping machine; And on direction, be crisscross arranged perpendicular to this holding lace curtaining; With before arriving this holding lace curtaining; Make this first hot-melt fiber stream and this hydrophilic fibre stream form two layers of interflow earlier; Then this second hot-melt fiber stream is three layers of interflow in intermediate layer with this two-layer interflow formation with this hydrophilic fibre stream, is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby directly on this holding lace curtaining, form with this hydrophilic fiber layer.
8. compound nonwoven cloth absorber production equipment as claimed in claim 4; It is characterized in that: this first hot-melt fiber lapping machine this hydrophilic fibre lapping machine relatively is obliquely installed; So that this first hot-melt fiber stream formed two-layer interflow with this hydrophilic fibre stream before arriving this holding lace curtaining; Directly on this holding lace curtaining, to form this first hot-melt fiber layer and this hydrophilic fiber layer range upon range of two layer web each other; And this first hot-melt fiber laminating is leaned against on this holding lace curtaining; This second hot-melt fiber lapping machine is provided with towards this holding lace curtaining, lays this second hot-melt fiber layer with the hydrophilic fiber layer laminated in this two layer web, is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby form with this hydrophilic fiber layer.
9. compound nonwoven cloth absorber production equipment as claimed in claim 1; It is characterized in that: this consolidation unit comprises hot gas source and the jet that is connected with this hot gas source; This hot gas source is used to provide the pulse thermal current; This jet is used to supply this pulse thermal current to pass through to form a branch of at least pulse hot gas jet; This at least one beam pulse hot gas jet is used for this non-woven fabrics fiber complex is carried out jet impact; Be clamminess so that the hot-melt fiber on this non-woven fabrics fiber complex top layer is softening, and under the drive of this at least one beam pulse thermal current, turn to and the inside that gets into this non-woven fabrics fiber complex forms anchoring point along the injection direction bending of this pulse thermal current.
10. compound nonwoven cloth absorber production equipment as claimed in claim 9; It is characterized in that: this hot gas source comprises gas generating unit and pulse valve; This gas generating unit is used to produce can make the softening hot gas that is clamminess of hot-melt fiber; This pulse valve is used to control the release hot gas that this gas generating unit produced, to form this at least one beam pulse thermal current.
11. compound nonwoven cloth absorber production equipment as claimed in claim 9; It is characterized in that: this hot gas source comprises a gas source and is set in this gas source housing on every side; This housing and this gas source have and relatively rotate; This gas source is used to provide hot gas, and this gas source has gas vent and is used for to this hot gas of external world's output, and this jet is opened on this housing corresponding each other with this gas vent; When the position that this jet turns to this gas vent overlaps, the hot gas that this gas source provided penetrates to form a branch of at least hot gas jet from this jet.
12. like claim 10 or 11 described compound nonwoven cloth absorber production equipments; It is characterized in that: this consolidation unit further comprises vaccum-pumping equipment; This vaccum-pumping equipment and this jet are oppositely arranged, and are used for the hot gas jet that this jet certainly ejects is led.
13. compound nonwoven cloth absorber production equipment as claimed in claim 11; It is characterized in that: this gas source has cylindrical sidewall; This gas vent is opened in axially extending continuously on the sidewall of this gas source and along this gas source; This housing is set on the sidewall of this gas source, and this jet is opened on this housing and extends along the axially spaced-apart of this housing and distributes.
14. a compound nonwoven cloth absorber preparation technology, it comprises the steps:
Multiple fibre stream is provided, and this multiple fibre stream comprises first hot-melt fiber stream and hydrophilic fibre stream, and this first hot-melt fiber stream is used to form the first meldable fibre layer, and this hydrophilic fibre stream is used to form hydrophilic fiber layer;
Utilize this multiple fibre stream on the holding lace curtaining, to form the non-woven fabrics fiber complex, this non-woven fabrics fiber complex is formed by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another at least;
One consolidation unit is provided, and said consolidation unit is used for spraying a branch of at least pulse thermal current;
Utilize this at least one beam pulse thermal current that this non-woven fabrics fiber complex is sprayed; Be clamminess so that the hot-melt fiber on this non-woven fabrics fiber complex top layer is softening, and under the drive of this at least one beam pulse thermal current, turn to and the inside that gets into this non-woven fabrics fiber complex forms anchoring point along the injection direction bending of this pulse thermal current.
15. compound nonwoven cloth absorber preparation technology as claimed in claim 14; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; This hydrophilic fibre stream forms hydrophilic fiber layer earlier on this holding lace curtaining; This first hot-melt fiber stream forms this first hot-melt fiber layer in this hydrophilic fiber layer laminated, forms the non-woven fabrics fiber complex by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another with this.
16. compound nonwoven cloth absorber preparation technology as claimed in claim 14; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; Before arriving this holding lace curtaining; Make this hydrophilic fibre stream and this first hot-melt fiber stream form the two-layer laminate interflow, thereby directly on this holding lace curtaining, form non-woven fabrics fiber complex by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another.
17. compound nonwoven cloth absorber preparation technology as claimed in claim 14; It is characterized in that: this multiple fibre stream further comprises second hot-melt fiber stream; This second hot-melt fiber stream is used to form the second meldable fibre layer, and it is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer that this second hot-melt fiber stream, hydrophilic fibre stream and first hot-melt fiber stream cooperatively interact on this holding lace curtaining, to form with this hydrophilic fiber layer.
18. compound nonwoven cloth absorber preparation technology as claimed in claim 17; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; Make this second hot-melt fiber stream on this holding lace curtaining, form the second meldable fibre layer earlier; This hydrophilic fibre stream forms hydrophilic fiber layer in this second hot-melt fiber layer laminated, and this first hot-melt fiber layer forms the first hot-melt fiber layer in this hydrophilic fiber layer laminated.
19. compound nonwoven cloth absorber preparation technology as claimed in claim 17; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; Before arriving this holding lace curtaining; Making this first hot-melt fiber stream, hydrophilic fibre stream and the common formation of second hot-melt fiber stream is the three superimposed layer by layer stream districts in intermediate layer with this hydrophilic fibre stream, is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby directly on this holding lace curtaining, form with this hydrophilic fiber layer.
20. compound nonwoven cloth absorber preparation technology as claimed in claim 17; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; Before arriving this holding lace curtaining; Make this first hot-melt fiber stream and this hydrophilic fibre stream form two-layer laminate interflow district earlier; Making this second hot-melt fiber stream form with this hydrophilic fibre stream with this two-layer laminate interflow district afterwards is the three superimposed layer by layer stream districts in intermediate layer, is the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby directly on this holding lace curtaining, form with this hydrophilic fiber layer.
21. compound nonwoven cloth absorber preparation technology as claimed in claim 17; It is characterized in that: in the step that forms this non-woven fabrics fiber complex; Before arriving this holding lace curtaining; Make this first hot-melt fiber stream and this hydrophilic fibre stream form two-layer laminate interflow district earlier; Directly on this holding lace curtaining, to form two layer web by this first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another; And then utilize the hydrophilic fiber layer laminated of this second hot-melt fiber stream in this two layer web to form the second hot-melt fiber layer, be the non-woven fabrics fiber complex of the three-layer sandwich structure in intermediate layer thereby on this holding lace curtaining, form with this hydrophilic fibre stream.
22. compound nonwoven cloth absorber preparation technology as claimed in claim 14; It is characterized in that: this consolidation unit comprises hot gas source and the jet that is connected with this hot gas source; This hot gas source is used to provide the pulse thermal current; This jet is used to supply this pulse thermal current to pass through to form a branch of at least pulse hot gas jet; This at least one beam pulse hot gas jet is used for this non-woven fabrics fiber complex is carried out jet impact; Be clamminess so that the hot-melt fiber on this non-woven fabrics fiber complex top layer is softening, and under the drive of this at least one beam pulse thermal current, turn to and the inside that gets into this non-woven fabrics fiber complex forms anchoring point along the injection direction bending of this pulse thermal current.
23. compound nonwoven cloth absorber preparation technology as claimed in claim 22; It is characterized in that: this hot gas source comprises gas generating unit and pulse valve; This gas generating unit is used to produce can make the softening hot gas that is clamminess of hot-melt fiber; This pulse valve is used to control the release hot gas that this gas generating unit produced, to form this at least one beam pulse thermal current.
24. compound nonwoven cloth absorber preparation technology as claimed in claim 22; It is characterized in that: this hot gas source comprises a gas source and is set in this gas source housing on every side; This housing this gas source relatively rotates; This gas source is used to provide hot gas, and this gas source has gas vent and is used for to this hot gas of external world's output, and this jet is opened on this housing corresponding each other with this gas vent; When the position that this jet turns to this gas vent overlaps, the hot gas that this gas source provided penetrates to form a branch of at least hot gas jet from this jet.
25. like claim 23 or 24 described compound nonwoven cloth absorber preparation technologies; It is characterized in that: this consolidation unit further comprises vaccum-pumping equipment; This vaccum-pumping equipment and this jet are oppositely arranged, and are used for the hot gas jet that this jet certainly ejects is led.
26. compound nonwoven cloth absorber preparation technology as claimed in claim 24; It is characterized in that: this gas source is cylindric; This gas vent is opened in axially extending continuously on the sidewall of this gas source and along this gas source; This housing is set on the sidewall of this gas source, and this jet is opened on this housing and extends along the axially spaced-apart of this housing and distributes.
27. compound nonwoven cloth absorber; It comprises first hot-melt fiber layer and the hydrophilic fiber layer; This first hot-melt fiber layer and this hydrophilic fiber layer stacked on top of one another are provided with; This first hot-melt fiber laminar surface has the micropore that extends along the thickness direction of this compound nonwoven cloth absorber, and at this micropore place, the hot-melt fiber of this first hot-melt fiber layer extends in this hydrophilic fiber layer along this micropore and forms hot cementation knot with this hydrophilic fiber layer.
28. compound nonwoven cloth absorber as claimed in claim 27 is characterized in that: the density of this first hot-melt fiber layer is greater than the density of this hydrophilic fiber layer.
29. compound nonwoven cloth absorber as claimed in claim 27; It is characterized in that: this compound nonwoven cloth absorber further comprises the second hot-melt fiber layer, and the both sides that this second hot-melt fiber layer and this first hot-melt fiber layer are layered in this hydrophilic fiber layer respectively are the compound nonwoven cloth absorber of the three-layer sandwich structure in intermediate layer to form with this hydrophilic fiber layer.
30. compound nonwoven cloth absorber as claimed in claim 29; It is characterized in that: the surface distributed at this second hot-melt fiber layer has the micropore that extends along the thickness direction of this compound nonwoven cloth absorber; At this micropore place, the hot-melt fiber of this second hot-melt fiber layer extends in this hydrophilic fiber layer along this micropore and forms hot cementation knot with this hydrophilic fiber layer.
31. like each described compound nonwoven cloth absorber of claim 27 to 30; It is characterized in that: in this compound nonwoven cloth absorber; The fiber of this micropore region is higher than other zone along the fiber architecture density of thickness direction, and fiber architecture density along its length is lower than other zone.
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| CN201110438110.2A CN102535010B (en) | 2011-12-23 | 2011-12-23 | Production equipment of compound non-woven fabric absorber, process and compound non-woven fabric absorber |
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| CN201110438110.2A CN102535010B (en) | 2011-12-23 | 2011-12-23 | Production equipment of compound non-woven fabric absorber, process and compound non-woven fabric absorber |
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| CN111286868A (en) * | 2020-03-30 | 2020-06-16 | 嘉兴市阿福纺织品有限公司 | From taking antibacterial bonded melt-blown fabric and melt-blown preparation facilities |
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| CN110016767A (en) * | 2019-04-10 | 2019-07-16 | 武汉纺织大学 | Jet consolidates the preparation method and height absorption non-woven cloth of formula height absorption non-woven cloth |
| CN111748913A (en) * | 2020-02-13 | 2020-10-09 | 潘定雨 | Fiber spinning equipment and spinning method |
| CN111286868A (en) * | 2020-03-30 | 2020-06-16 | 嘉兴市阿福纺织品有限公司 | From taking antibacterial bonded melt-blown fabric and melt-blown preparation facilities |
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