CN106087563A - The preparation method of a kind of wet strength agent and wet strength agent - Google Patents
The preparation method of a kind of wet strength agent and wet strength agent Download PDFInfo
- Publication number
- CN106087563A CN106087563A CN201610451185.7A CN201610451185A CN106087563A CN 106087563 A CN106087563 A CN 106087563A CN 201610451185 A CN201610451185 A CN 201610451185A CN 106087563 A CN106087563 A CN 106087563A
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- China
- Prior art keywords
- weight portion
- wet strength
- strength agent
- weight
- preparation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3228—Polyamines acyclic
Abstract
The invention discloses preparation method and wet strength agent that the present invention provides the present invention to provide a kind of wet strength agent, the method includes: by the polyphenylene oxide of 30 100 weight portions, the catalyst of 16 weight portions, the ethanol of 5 35 weight portions, the myristinate stearic acid of 10 30 weight portions, 3 10 weight portion polyisocyanates, the organic solvent of 100 400 weight portions, the ethylenediamine of 10 80 weight portions, under the reflux temperature of 100 200 DEG C, back flow reaction is carried out 1 10 hours after the diethylenetriamine of 20 150 weight portions and the epoxychloropropane mixing of 10 100 weight portions, after filtration, obtain wet strength agent.The wet strength agent of the present invention can increase substantially paper wet strength and folding strength.
Description
Technical field
The present invention relates to pulp technology for making paper, be specifically related to preparation method and the wet strength agent of a kind of wet strength agent.
Background technology
Wet strength agent is mainly applied in paper industry.Different its consumptions of paper kind differs widely, as (toilet paper, fruit paper bag,
Paperboard, wettable water surface paper etc.).Wet strength agent is primarily now based on PAE wet strength agent.Factory is also a lot, mostly on a small scale
Change, but its production product quality is pretty good.
Chinese patent CN103981759A discloses a kind of emulsion-type wet strength agent and preparation method thereof, and wet strength agent includes following
Raw material: dimethyl diallyl ammonium chloride, Polyamide-Polyamsne-Epichlorohydrin resin, dicyandiamide, polyoxyethylene stearic acid ester, meat
Myristate stearic acid, hyaluronate sodium, sodium formate, polyoxyethylene ether, aluminium sesquioxide, azodiisobutyronitrile, formic acid, carbonic acid
Sodium, sulfamic acid sodium water solution, catalyst.Its preparation method is by dimethyl diallyl ammonium chloride, polyamide polyamines epoxy
Chloropropane resin, dicyandiamide, polyoxyethylene stearic acid ester, myristinate stearic acid, hyaluronate sodium mix homogeneously, then add
Enter sodium formate, polyoxyethylene ether, aluminium sesquioxide, azodiisobutyronitrile, be warming up to 40～60 DEG C reaction 1～2h, add formic acid,
Sodium carbonate, sulfamic acid sodium water solution, catalyst, mix homogeneously, stand.
Chinese patent CN 101704947 A discloses a kind of wet strength agent for papermaking and preparation method thereof, preparation method include as
Lower step: (1) is by polyamine, polynary acyl chlorides and acid binding agent hybrid reaction, it is thus achieved that condensation substance；(2) condensation substance of step (1) is added
Enter epichlorohydrin reaction, it is thus achieved that wet strength agent for papermaking.
Existing paper, such as diaper, it is desirable to have certain folding strength and wet strength, but simultaneously need to ensure paper
Intensity.
Summary of the invention
It is an object of the invention to provide preparation method and the wet strength agent of a kind of wet strength agent, this wet strength agent can significantly carry
High paper wet strength and folding strength.
For achieving the above object, the present invention provides the preparation method of a kind of wet strength agent, and the method includes: by 30-100 weight
Part polyphenylene oxide, the catalyst of 1-6 weight portion, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion,
3-10 weight portion polyisocyanates, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, 20-150 weight portion
Diethylenetriamine and 10-100 weight portion epoxychloropropane mixing after to carry out backflow under the reflux temperature of 100-200 DEG C anti-
Answer 1-10 hour, after filtration, obtain wet strength agent.
Preferably, by the polyphenylene oxide of 40-80 weight portion, the catalyst of 2-4 weight portion, the ethanol of 6-30 weight portion, 15-20
The myristinate stearic acid of weight portion, 6-8 weight portion polyisocyanates, the organic solvent of 200-300 weight portion, 20-60 weight
Institute is being carried out after the epoxychloropropane mixing of the amount ethylenediamine of part, the diethylenetriamine of 40-120 weight portion and 30-80 weight portion
State back flow reaction.
Preferably, described catalyst is weight ratio 1:(1-3) zinc oxide and nickel oxide.
Preferably, described organic solvent is acetone or butanone.
Preferably, described polyisocyanates is toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate or six methylene
Diisocyanate.
Preferably, the condition of described back flow reaction is: reflux temperature is 120-180 DEG C, and the time is 2-8 hour.
The present invention also provides for a kind of wet strength agent, and in terms of raw material, described wet strength agent includes the polyphenylene oxide of 30-100 weight portion, 1-
The catalyst of 6 weight portions, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion, 3-10 weight portion polyisocyanate
Cyanate, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, the diethylenetriamine of 20-150 weight portion and
The epoxychloropropane of 10-100 weight portion.
Preferably, described catalyst is weight ratio 1:(1-3) zinc oxide and nickel oxide.
Preferably, described organic solvent is acetone or butanone.
Preferably, described polyisocyanates is toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate or six methylene
Diisocyanate.
The inventive method has the advantage that
The wet strength agent that the present invention provides can increase substantially folding strength and the wet strength of paper, can ensure that paper simultaneously
Degree of sizing, bursting strength, surface strength of paper and ring crush intensity.
Detailed description of the invention
Detailed description below is merely to illustrate the present invention, but the present invention is not therefore subject to any restriction.
The present invention provides the preparation method of a kind of wet strength agent, and the method includes: by polyphenylene oxide, the 1-6 of 30-100 weight portion
The catalyst of weight portion, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion, 3-10 weight portion polyisocyanate
Cyanate, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, the diethylenetriamine of 20-150 weight portion and
Under the reflux temperature of 100-200 DEG C, back flow reaction 1-10 hour, mistake is carried out after the epoxychloropropane mixing of 10-100 weight portion
After filter, obtain wet strength agent；Preferably, by the polyphenylene oxide of 40-80 weight portion, the catalyst of 2-4 weight portion, the second of 6-30 weight portion
Alcohol, the myristinate stearic acid of 15-20 weight portion, 6-8 weight portion polyisocyanates, the organic solvent of 200-300 weight portion,
The ethylenediamine of 20-60 weight portion, the diethylenetriamine of 40-120 weight portion and 30-80 weight portion epoxychloropropane mixing after
Carry out described back flow reaction.
Catalyst be used for catalytic reaction, described catalyst can be weight ratio 1:(1-3) zinc oxide and nickel oxide.
Organic solvent is used for dissolving reactant and reaction cosolvent, and described organic solvent is acetone or butanone.
Polyisocyanates improve wet strength viscosity, can be toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate or
Six methylene diisocyanates.
Back flow reaction is carried out in a kettle., and the condition of described back flow reaction can be: reflux temperature is 120-180 DEG C,
Time is 2-8 hour.
The present invention also provides for a kind of wet strength agent, and in terms of raw material, described wet strength agent includes the polyphenylene oxide of 30-100 weight portion, 1-
The catalyst of 6 weight portions, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion, 3-10 weight portion polyisocyanate
Cyanate, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, the diethylenetriamine of 20-150 weight portion and
The epoxychloropropane of 10-100 weight portion.
Catalyst be used for catalytic reaction, described catalyst can be weight ratio 1:(1-3) zinc oxide and nickel oxide.
Organic solvent is used for dissolving reactant and reaction cosolvent, and described organic solvent can be acetone or butanone.
Polyisocyanates improve wet strength viscosity, can be toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate or
Six methylene diisocyanates.
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
The method of testing of the embodiment of the present invention and comparative example is as follows:
Degree of sizing: use Cobb water absorbent surface gravimetric method, the quality absorbed water in paper unit are after comparing immersion, use g/
m2Represent.Measure according to GB GB/T461.3-2005.
Surface strength of paper: the surface of the speed printing paper to increase continuously, until plucking occurs in surface, uses cm s-1Table
Show.Measure according to GB GB/T2679.15-1997.
Bursting strength: refer to the maximum pressure uniformly increased that Paper or cardboard can bear in unit are, carry out table with kPa
Show.Burst index=bursting strength/quantitatively.Measure according to GB GB/T454-1989.
Dry tensile strength detects according to GB/T453-2002 method, and wet tensile (strength) is carried out according to GB/T652 method
Detection, wet strength=wet tensile (strength)/dry tensile strength × 100%.
Ring crush intensity uses standard GB/T/T 2679.8-1995 to measure, and unit is N m/g.
Using Xiao Baiershi folding strength instrument to measure the folding strength of paper, unit is secondary.
Manufacturing paper with pulp of page: under slow stirring, adds wet strength agent (or being added without) 100g/Kg in wood pulp and starches (wet feed
Amount), carry out handsheet after stirring 5min, the quantitative 60g/m of handsheet2, pattern, in 110 DEG C of ripening 15min, is cooled in exsiccator
Room temperature, places 24h standby.
Embodiment 1
By the polyphenylene oxide of 30 grams, the zinc oxide of weight ratio 1:1 of 1 gram and nickel oxide, the ethanol of 5 grams, the Semen Myristicae of 10 grams
Acid esters stearic acid, 3 grams of toluene di-isocyanate(TDI)s, the acetone of 100 grams, the ethylenediamine of 10 grams, the diethylenetriamine of 20 grams and 10 grams
Epoxychloropropane mix in a kettle. after under the reflux temperature of 100 DEG C, carry out back flow reaction 1 hour, after filtration, obtain
Wet strength agent S1.Wet strength agent S1 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Embodiment 2
By the polyphenylene oxide of 70 grams, the zinc oxide of weight ratio 1:2 of 3 grams and nickel oxide, the ethanol of 20 grams, the Semen Myristicae of 20 grams
Acid esters stearic acid, 7 grams of '-diphenylmethane diisocyanates, the butanone of 300 grams, the ethylenediamine of 40 grams, the diethylenetriamine of 120 grams and
The epichlorohydrin reaction still of 70 grams carries out back flow reaction 5 hours after mixing under the reflux temperature of 150 DEG C, after filtration,
To wet strength agent S2.Wet strength agent S2 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Embodiment 3
By the polyphenylene oxide of 100 grams, the zinc oxide of weight ratio 1:3 of 6 grams and nickel oxide, the ethanol of 35 grams, the lima bean of 30 grams
Cool acid esters stearic acid, 10 grams of six methylene diisocyanates, the butanone of 400 grams, the ethylenediamine of 80 grams, divinyls of 150 grams
The epichlorohydrin reaction still of triamine and 100 grams carries out back flow reaction 10 hours after mixing under the reflux temperature of 200 DEG C, mistake
After filter, obtain wet strength agent S3.Wet strength agent S3 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Comparative example 1
Carrying out manufacturing paper with pulp of page, be added without wet strength agent, specific experiment the results are shown in Table 1.
Comparative example 2
Comparative example 2 is substantially the same manner as Example 1, and difference is, is added without myristinate stearic acid, obtains wet strength agent
D1.Wet strength agent D1 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Comparative example 3
Comparative example 3 is substantially the same manner as Example 1, and difference is, is added without toluene di-isocyanate(TDI), obtains wet strength agent D2.
Wet strength agent D2 is used for manufacturing paper with pulp of page, and specific experiment the results are shown in Table 1.
Comparative example 4
Comparative example 4 is substantially the same manner as Example 1, and difference is, is added without nickel oxide, obtains wet strength agent D3.By wet strength agent
D3 manufactures paper with pulp for page, and specific experiment the results are shown in Table 1.
From the results shown in Table 1, the wet strength agent that the present invention provides can increase substantially the folding strength of paper and wet
Intensity, can ensure that the degree of sizing of paper, bursting strength, surface strength of paper and ring crush intensity simultaneously.
Table 1
Claims (10)
1. the preparation method of a wet strength agent, it is characterised in that the method includes: by the polyphenylene oxide of 30-100 weight portion, 1-6 weight
The amount catalyst of part, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion, the many isocyanides of 3-10 weight portion
Acid esters, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, the diethylenetriamine of 20-150 weight portion and
Under the reflux temperature of 100-200 DEG C, back flow reaction 1-10 hour, mistake is carried out after the epoxychloropropane mixing of 10-100 weight portion
After filter, obtain wet strength agent.
Preparation method the most according to claim 1, it is characterised in that by the polyphenylene oxide of 40-80 weight portion, 2-4 weight portion
Catalyst, the ethanol of 6-30 weight portion, the myristinate stearic acid of 15-20 weight portion, 6-8 weight portion polyisocyanates,
The organic solvent of 200-300 weight portion, the ethylenediamine of 20-60 weight portion, the diethylenetriamine of 40-120 weight portion and 30-80 weight
Described back flow reaction is being carried out after the epoxychloropropane mixing of amount part.
Preparation method the most according to claim 1, it is characterised in that described catalyst is weight ratio 1:(1-3) oxidation
Zinc and nickel oxide.
Preparation method the most according to claim 1, it is characterised in that described organic solvent is acetone or butanone.
Preparation method the most according to claim 1, it is characterised in that described polyisocyanates be toluene di-isocyanate(TDI),
'-diphenylmethane diisocyanate or six methylene diisocyanates.
Preparation method the most according to claim 1, it is characterised in that the condition of described back flow reaction is: reflux temperature is
120-180 DEG C, the time is 2-8 hour.
7. a wet strength agent, it is characterised in that in terms of raw material, described wet strength agent includes the polyphenylene oxide of 30-100 weight portion, 1-6 weight
The amount catalyst of part, the ethanol of 5-35 weight portion, the myristinate stearic acid of 10-30 weight portion, the many isocyanides of 3-10 weight portion
Acid esters, the organic solvent of 100-400 weight portion, the ethylenediamine of 10-80 weight portion, the diethylenetriamine of 20-150 weight portion and
The epoxychloropropane of 10-100 weight portion.
Wet strength agent the most according to claim 7, it is characterised in that described catalyst is weight ratio 1:(1-3) zinc oxide
And nickel oxide.
Wet strength agent the most according to claim 7, it is characterised in that described organic solvent is acetone or butanone.
Wet strength agent the most according to claim 7, it is characterised in that described polyisocyanates be toluene di-isocyanate(TDI), two
Phenylmethane diisocyanate or six methylene diisocyanates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451185.7A CN106087563A (en) | 2016-06-20 | 2016-06-20 | The preparation method of a kind of wet strength agent and wet strength agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610451185.7A CN106087563A (en) | 2016-06-20 | 2016-06-20 | The preparation method of a kind of wet strength agent and wet strength agent |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879258A (en) * | 1971-01-18 | 1975-04-22 | American Cyanamid Co | Paper containing a thermosetting cyclo-1,1-diallylguanidine polymer as wet strengthening agent |
| CN101302731A (en) * | 2008-06-06 | 2008-11-12 | 陕西科技大学 | Method for preparing organosilicon modified paper sheet humidifying strong agent |
| CN101328696A (en) * | 2008-07-31 | 2008-12-24 | 中国印钞造币总公司 | Wet strength agent for paper making and preparation thereof |
| CN101714947A (en) * | 2009-10-30 | 2010-05-26 | 清华大学 | Extensible full-flow priority dispatching method |
| CN103866640A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Modified polyphenylene oxide wet strength agent and preparation method thereof |
-
2016
- 2016-06-20 CN CN201610451185.7A patent/CN106087563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879258A (en) * | 1971-01-18 | 1975-04-22 | American Cyanamid Co | Paper containing a thermosetting cyclo-1,1-diallylguanidine polymer as wet strengthening agent |
| CN101302731A (en) * | 2008-06-06 | 2008-11-12 | 陕西科技大学 | Method for preparing organosilicon modified paper sheet humidifying strong agent |
| CN101328696A (en) * | 2008-07-31 | 2008-12-24 | 中国印钞造币总公司 | Wet strength agent for paper making and preparation thereof |
| CN101714947A (en) * | 2009-10-30 | 2010-05-26 | 清华大学 | Extensible full-flow priority dispatching method |
| CN103866640A (en) * | 2014-02-28 | 2014-06-18 | 苏州恒康新材料有限公司 | Modified polyphenylene oxide wet strength agent and preparation method thereof |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Nansha District Fengze road Guangzhou city Guangdong province 511458 No. 106 X1301-B437 Applicant after: Guangzhou poly injection General Technology Research Institute Co Ltd Address before: Nansha District Fengze road Guangzhou city Guangdong province 511458 No. 106 X1301-B437 Applicant before: GUANGZHOU JUZHU PATENT RESEARCH AND DEVELOPMENT CO., LTD. |
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Application publication date: 20161109 |
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