CN102490415A - Multi-layer elastic composite material and producing device thereof - Google Patents
Multi-layer elastic composite material and producing device thereof Download PDFInfo
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- CN102490415A CN102490415A CN2011103591917A CN201110359191A CN102490415A CN 102490415 A CN102490415 A CN 102490415A CN 2011103591917 A CN2011103591917 A CN 2011103591917A CN 201110359191 A CN201110359191 A CN 201110359191A CN 102490415 A CN102490415 A CN 102490415A
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Abstract
The invention discloses a multi-layer elastic composite material, which consists of a first non-woven layer, an elastic layer, a hot-melt bonding layer and a second non-woven layer and is characterized in that: the bottom layer is the first non-woven layer; the elastic layer is arranged above the first non-woven layer; the hot-melt bonding layer is arranged above the elastic layer; and the second non-woven layer is arranged above the hot-melt bonding layer. The invention also discloses a device for producing the composite material. The material is composed of multi-layer materials, can obtain relatively balanced performance and effect and is suitable for most of the requests. The producing device is simple in structure, convenient in operation, higher in efficiency and capable of reducing the cost effectively.
Description
Technical field
The present invention relates to the composition and the manufacturing field of multilayer materials, relate in particular to a kind of multilayer elastic composite and manufacturing installation thereof.
Background technology
Existing material no longer only comprises single material or simple layer; Be to realize the advantage combination between the unlike material, usually will be two-layer or more multilayer material fit together the composite that formation is processed by multilayer material; This composite can be used for various fields; Because composite can be through the material character and the thickness of each layer of adjustment, thus the character that can select final products according to the different materials and the thickness of each layer, thus be applicable to the different techniques field.
At equal elasticity of demand materials of industry-by-industry such as motion, vehicle, buildings; And the unitary composite material is difficult to satisfy numerous demands, and for example, some polymer can obtain required intensity and more cheap manufacturing cost; Yet; The gas permeability and the comfortableness of such material are relatively poor, therefore, can not be fit to other demand.
In present stage, many enterprises of China have all carried out the development of this series products, have obtained certain progress, but also have been not up to expectations.
Especially to the required manufacturing equipment of these materials, lack necessary design experiences especially.
For this reason, designer of the present invention comprehensively is engaged in for a long time the experience and the achievement of related industry for many years through concentrating on studies and designing, and research and design goes out a kind of multilayer elastic composite and manufacturing installation thereof, to overcome above-mentioned defective.
Summary of the invention
The object of the present invention is to provide a kind of multilayer elastic composite and manufacturing installation thereof, this material constitutes through multilayer material, and it can obtain comparatively balanced performance and effect; Be applicable to most requirement, its manufacturing installation is simple in structure, and is easy to operate; And efficient is higher, can effectively reduce cost.
For realizing above-mentioned purpose, the invention discloses a kind of multilayer elastic composite, this composite is formed by four layers; Comprise first nonwoven layers, elastic layer, hot melt adhesive layer and second nonwoven layers, it is characterized in that: the bottom is first nonwoven layers, is elastic layer on this first nonwoven layers; Being the hot melt adhesive layer on the elastic layer, is second nonwoven layers on the hot melt adhesive layer, and the thickness of this composite is 2-5mm; The thickness of this first nonwoven layers equals the thickness of this second nonwoven layers; Be 0.8-1.5mm, and the thickness of this elastic layer is 0.2-0.5mm, the thickness of this hot melt adhesive layer is 0.15-0.4mm.
Wherein: the material of this first nonwoven layers and second nonwoven layers is materials such as polypropylene, polyester, nylon, and the material of first nonwoven layers can be identical or different with the material of second nonwoven layers.
Wherein: elastic layer is made up of many elastomers of space, and these many elastomers are parallel to each other and extend along draw direction.
Wherein: the density of these many elastomers is 5-20 root/every centimetre; Elastic range is the 200-400 denier.
Wherein: the density of these many elastomers is 8-12 root/every centimetre; Elastic range is the 300-350 denier.
Also disclose a kind of manufacturing installation of making composite, this manufacturing installation comprises the first nonwoven layers winding drum, elastic layer winding drum, hot melt blowoff, the second nonwoven layers winding drum, surge drum, pressure roll and forming tube; It is characterized in that:
This first nonwoven layers winding drum is positioned at foremost; The elastic layer winding drum is positioned at this first nonwoven layers winding drum rear side; This hot melt blowoff is arranged at this first nonwoven layers winding drum rear side, and this second nonwoven layers winding drum is arranged at this hot melt blowoff rear side, and pressure roll is arranged at the surge drum periphery; This forming tube is arranged at this second nonwoven layers winding drum rear side.
Wherein: the linear velocity of this first nonwoven layers winding drum and the linear velocity of the second nonwoven layers winding drum equate, and the linear velocity of elastic layer winding drum is less than the linear velocity of this first nonwoven layers winding drum.
Wherein: the hot melt ejection temperature of this hot melt blowoff is 200-300 degree centigrade.
Wherein: the hot melt ejection temperature of this hot melt blowoff is 250-260 degree centigrade.
The present invention has following technique effect:
1, features simple structure, operation and transportation are all very convenient;
2, can process the multilayer elastic composite, can effectively obtain the advantage of each layer raw material, be applicable to different places.
The present invention will further describe in detail through following specific embodiment, and further combine will obtain knowing more and significantly understanding to the explanation of accompanying drawing.
Description of drawings
Fig. 1 has shown the sketch map of multilayer elastic composite of the present invention.
Fig. 2 has shown the sketch map of the manufacturing installation of multilayer elastic composite of the present invention.
The specific embodiment
Referring to Fig. 1, shown the sketch map of multilayer elastic composite of the present invention.
This composite 38 is formed by four layers; Comprise first nonwoven layers 18, elastic layer 22, hot melt adhesive layer 28 and second nonwoven layers 32; The bottom is first nonwoven layers 18; Being elastic layer 22 on this first nonwoven layers 18, is hot melt adhesive layer 28 on the elastic layer 22, is second nonwoven layers 32 on the hot melt adhesive layer 28.
Wherein, the thickness of this composite is 2-5mm, and the thickness of this first nonwoven layers 18 equals the thickness of this second nonwoven layers 32, be 0.8-1.5mm, and the thickness of this elastic layer 22 is 0.2-0.5mm, and the thickness of this hot melt adhesive layer 28 is 0.15-0.4mm.
Wherein, The material of this first nonwoven layers 18 and second nonwoven layers 32 is materials such as polypropylene, polyester, nylon; The material of first nonwoven layers 18 can be identical with the material of second nonwoven layers 32; Also can adopt different materials, be polypropylene fibre like first nonwoven layers 18, and second nonwoven layers 32 is a nylon fiber.
Wherein, Elastic layer 22 is made up of many elastomers of space; These many elastomers are parallel to each other and extend along draw direction, and thus, this elastic layer can provide the present invention elasticity preferably; The density of these many elastomers is preferably 5-20 root/every centimetre, more preferably 8-12 root/every centimetre.The elastic range of these many elastomers is the 200-400 denier, is preferably the 300-350 denier.The material of this elastomer is preferably natural rubber, synthetic rubber or thermoplastic polymer.
This hot melt adhesive layer 28 is injected under the condition of high temperature on the elastic layer 22, forms bondingly thus, and this elastic layer 22 and second nonwoven layers 32 are effectively combined.
Referring to Fig. 2, shown the sketch map of the manufacturing installation of multilayer elastic composite of the present invention.
This manufacturing installation comprises the first nonwoven layers winding drum 12, elastic layer winding drum 16, hot melt blowoff 26, the second nonwoven layers winding drum 30, surge drum 24, pressure roll 36 and forming tube 40.
This first nonwoven layers winding drum 12 is positioned at foremost; It is with 18 continuous being supplied on the surge drum 24 of first nonwoven layers; Elastic layer winding drum 16 is positioned at this first nonwoven layers winding drum, 12 rear sides; Be used for elastic layer 22 continuous in this first nonwoven layers 18 backs be supplied to surge drum 24, this hot melt blowoff 26 is arranged at elastic layer winding drum 16 rear sides, be used for hot melt adhesive layer 22 continuous be injected into the elastic layer 22 on the surge drum 24; This second nonwoven layers winding drum 30 is arranged at this hot melt blowoff 26 rear sides; Be used for the elastic layer 22 that hot melt adhesive layer 22 is arranged is sprayed in continuous being supplied to of second nonwoven layers 32, pressure roll 36 is arranged at surge drum 24 peripheries so that this multilayer material is rolled applying on surge drum 24, thereby this multilayer material is combined closely; This forming tube 40 is arranged at this second nonwoven layers winding drum, 30 rear sides, carries out moulding with the composite after will suppressing.
Wherein, the linear velocity of this first nonwoven layers winding drum 12 and the linear velocity of the second nonwoven layers winding drum 30 equate, and the linear velocity of elastic layer winding drum 16 is less than the linear velocity of this first nonwoven layers winding drum 12; The 1/2-7/8 that it is preferably the linear velocity of this first nonwoven layers winding drum 12 is preferably 4/5-5/6, thus; This elastic layer has received pretensioned; Both given an elasticity in advance, such result makes last composite that certain preparatory elasticity arranged, and has improved its result of use.
Wherein, the hot melt of this hot melt blowoff 26 ejection temperature is 200-300 degree centigrade, and preferably spraying temperature is 250-260 degree centigrade; To obtain better bonding effect; In concrete the application, get under all identical situation of other speed, pressure, having adopted hot melt ejection temperature is that 150,220,250,280,320 degrees centigrade five composing type materials compare; Every group of material selected 10 parts of comparisons that stretch, tear respectively; Discovery can reach 150 degrees centigrade twice 250 degrees centigrade material extending performance, reaches 320 degrees centigrade 1.8 times, and the tensile property of 220 degrees centigrade and 280 degrees centigrade 85% and 79% when being respectively 250 degrees centigrade; Therefore, be optimal selection at 250-260 degree centigrade.
It is obvious that, and above description and record only are for example rather than in order to limit disclosure of the present invention, application or use.Though described and be described in the drawings embodiment in an embodiment; But the optimal mode that the present invention does not limit by the accompanying drawing example and the conduct of describing is in an embodiment thought at present is with the specific examples of the instruction of embodiment of the present invention, and scope of the present invention will comprise any embodiment of the specification that falls into the front and appended claim.
Claims (9)
1. multilayer elastic composite, this composite is formed by four layers, comprises first nonwoven layers, elastic layer, hot melt adhesive layer and second nonwoven layers; It is characterized in that: the bottom is first nonwoven layers, is elastic layer on this first nonwoven layers, is the hot melt adhesive layer on the elastic layer; It on the hot melt adhesive layer second nonwoven layers; The thickness of this composite is 2-5mm, and the thickness of this first nonwoven layers equals the thickness of this second nonwoven layers, is 0.8-1.5mm; And the thickness of this elastic layer is 0.2-0.5mm, and the thickness of this hot melt adhesive layer is 0.15-0.4mm.
2. composite as claimed in claim 1 is characterized in that: the material of this first nonwoven layers and second nonwoven layers is materials such as polypropylene, polyester, nylon, and the material of first nonwoven layers can be identical or different with the material of second nonwoven layers.
3. composite as claimed in claim 1 is characterized in that: elastic layer is made up of many elastomers of space, and these many elastomers are parallel to each other and extend along draw direction.
4. composite as claimed in claim 3 is characterized in that: the density of these many elastomers is 5-20 root/every centimetre; Elastic range is the 200-400 denier.
5. composite as claimed in claim 4 is characterized in that: the density of these many elastomers is 8-12 root/every centimetre; Elastic range is the 300-350 denier.
6. the manufacturing installation of arbitrary said composite among manufacturing such as the claim 1-5, this manufacturing installation comprises the first nonwoven layers winding drum, elastic layer winding drum, hot melt blowoff, the second nonwoven layers winding drum, surge drum, pressure roll and forming tube; It is characterized in that:
This first nonwoven layers winding drum is positioned at foremost; The elastic layer winding drum is positioned at this first nonwoven layers winding drum rear side; This hot melt blowoff is arranged at this first nonwoven layers winding drum rear side, and this second nonwoven layers winding drum is arranged at this hot melt blowoff rear side, and pressure roll is arranged at the surge drum periphery; This forming tube is arranged at this second nonwoven layers winding drum rear side.
7. manufacturing installation as claimed in claim 6 is characterized in that: the linear velocity of this first nonwoven layers winding drum and the linear velocity of the second nonwoven layers winding drum equate, and the linear velocity of elastic layer winding drum is less than the linear velocity of this first nonwoven layers winding drum.
8. manufacturing installation as claimed in claim 6 is characterized in that: the hot melt ejection temperature of this hot melt blowoff is 200-300 degree centigrade.
9. manufacturing installation as claimed in claim 8 is characterized in that: the hot melt ejection temperature of this hot melt blowoff is 250-260 degree centigrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103591917A CN102490415A (en) | 2011-11-14 | 2011-11-14 | Multi-layer elastic composite material and producing device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103591917A CN102490415A (en) | 2011-11-14 | 2011-11-14 | Multi-layer elastic composite material and producing device thereof |
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| CN102490415A true CN102490415A (en) | 2012-06-13 |
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| CN2011103591917A Pending CN102490415A (en) | 2011-11-14 | 2011-11-14 | Multi-layer elastic composite material and producing device thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020104608A1 (en) * | 2000-05-15 | 2002-08-08 | Welch Howard M. | Method and apparatus for producing laminated articles |
| CN1756659A (en) * | 2003-03-26 | 2006-04-05 | 宝洁公司 | Elastomeric nonwoven laminates and process for producing same |
| CN1795098A (en) * | 2003-06-02 | 2006-06-28 | 宝洁公司 | Method and apparatus for producing elastomeric nonwoven laminates |
| CN101674792A (en) * | 2007-04-17 | 2010-03-17 | 保罗·哈特曼股份公司 | Wo2008125175 |
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2011
- 2011-11-14 CN CN2011103591917A patent/CN102490415A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020104608A1 (en) * | 2000-05-15 | 2002-08-08 | Welch Howard M. | Method and apparatus for producing laminated articles |
| CN1756659A (en) * | 2003-03-26 | 2006-04-05 | 宝洁公司 | Elastomeric nonwoven laminates and process for producing same |
| CN1795098A (en) * | 2003-06-02 | 2006-06-28 | 宝洁公司 | Method and apparatus for producing elastomeric nonwoven laminates |
| CN101674792A (en) * | 2007-04-17 | 2010-03-17 | 保罗·哈特曼股份公司 | Wo2008125175 |
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Application publication date: 20120613 |