CN101979452B - Preparation method of water-resistant adhesive for corrugated paper production - Google Patents
Preparation method of water-resistant adhesive for corrugated paper production Download PDFInfo
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- CN101979452B CN101979452B CN2010102451939A CN201010245193A CN101979452B CN 101979452 B CN101979452 B CN 101979452B CN 2010102451939 A CN2010102451939 A CN 2010102451939A CN 201010245193 A CN201010245193 A CN 201010245193A CN 101979452 B CN101979452 B CN 101979452B
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- starch
- isopropenyl acetate
- graft copolymer
- graft copolymerization
- water
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Abstract
The invention relates to a preparation method of a water-resistant adhesive for corrugated case production, and belongs to the technical field of paper coating adhesives. The water-resistant adhesive for corrugated paper production is prepared by synthesizing starch-isopropenyl acetate cross-linked graft copolymer. The preparation method of the water-resistant adhesive for corrugated paper production can effectively reduce the damage of water molecules to the adhesive, greatly improve the water resistance of the adhesive, and have good quick-drying characteristic due to the reduction of the hydrophilic property after the modification of the adhesive, thereby being beneficial to the use on high-speed corrugated paper.
Description
Technical field
The present invention relates to a kind of preparation method of anti-glue stick of Corrugated Box production usefulness, belong to paper coating adhesive technical field.
Background technology
Can engage through the mode of glue paste between the surface of variant prodn in the prior art, on technical scale, the typical surface that is bonded together through the glue paste mode comprises paper surface and paperboard surface.In this respect, the glue paste mixture of starch preparation since its preparation simply, its technical characterstic and acceptable economically manufacturing cost thereof be widely used.But the shortcoming that has the water resisting property difference in actual use, the corrugated cardboard of production are prone to get damp and feel like jelly and cause the cohesive strength, side pressure strength of cardboard to descend.
Chinese invention patent CN200310105824.7; A kind of preparation method of fast-drying type corn starch adhesive agent is disclosed; This method is selected novel catalyst Fe 2+ for use; Reduced oxygenant consumption to dry starch quality 5%, shortened the reaction times to the 30min, made a kind of cheapness and the Starch Adhesive of high bond strength.The modified alta-mud or the sodium bentonite that before adding the NaOH gelatinization, add dry starch quality 30% have improved rate of drying greatly as filler.It is not high that this invents described tackiness agent water resisting property, and rate of drying is relatively slow when using.
Summary of the invention
The present invention solves the deficiency that exists in the prior art; A kind of anti-water glue paste of the fluting board production usefulness that forms through crosslinking reaction is provided; Make the wetting ability of anti-water glue paste descend, anti-simultaneously water glue paste has quick-drying characteristic, helps using on watt line at a high speed.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of preparation method of anti-glue stick of fluting board production usefulness comprises following process step:
1), synthetic starch-isopropenyl acetate cross-connect graft copolymer:
With starch is raw material, is catalyzer with acetic acid, is initiator with the ammonium persulphate; With the isopropenyl acetate is monomer; Under acidic conditions, carry out graft copolymerization, in the graft copolymerization again with N; The N-methylene-bisacrylamide is a linking agent, carries out crosslinking reaction and synthetic starch-isopropenyl acetate cross-connect graft copolymer;
2), the anti-glue stick of preparation fluting board production usefulness:
The starch that step 1) obtains-isopropenyl acetate cross-connect graft copolymer carries out crosslinking reaction with the borax for the secondary crosslinking agent under alkaline condition, the product after the gelatinization adds the skimmer tributyl phosphate and mixes, and obtains the anti-glue stick of fluting board production usefulness.
As preferably, described step 1) synthetic starch-isopropenyl acetate cross-connect graft copolymer is: with starch is raw material, be mixed with mass percentage concentration and be 40～50% starch emulsion after; With acetic acid is catalyzer, is initiator with the ammonium persulphate, in the pH value is 3～5 scope; Slowly drip the isopropenyl acetate monomer that adds starch quality 85～95%; Carry out graft copolymerization, the graft copolymerization temperature is 60～80 ℃, and the graft copolymerization time is 4～6 hours; At graft copolymerization after 2 hours; Add starch quality 0.2～0.5%, mass concentration and be 1～2% acrylic amide and carry out crosslinking reaction as linking agent, reinforced and reaction is all under agitation carried out, and reaction product is starch-isopropenyl acetate cross-connect graft copolymer.(to the consumption of catalyzer and initiator preferably as a matter of expediency in or explain in the specification sheets)
As preferably; Described step 2) be main raw material with starch-isopropenyl acetate cross-connect graft copolymer in; Add the caustic soda of starch quality 40～60% and the borax of starch quality 1～2%, carry out crosslinking reaction at 50～60 ℃, the tributyl phosphate that the product after the gelatinization adds starch quality 2～5% mixes; Obtain Corrugated Box production with anti-glue stick, reinforced and mixing is all under agitation carried out.
Therefore; The preparation method of the anti-glue stick of a kind of fluting board production usefulness provided by the invention; Can effectively reduce the destruction of water molecules, make the water resisting property of tackiness agent improve a lot, because wetting ability degradation after the tackiness agent modification tackiness agent; Make to have good fast dry characteristic, thereby help using on watt line at a high speed.
Embodiment
Through embodiment, do further bright specifically below to the technical scheme of invention.
Embodiment 1: starch-isopropenyl acetate cross-connect graft copolymer synthetic is raw material with starch, be mixed with mass percentage concentration and be 40% starch emulsion after; With acetic acid is catalyzer, is initiator with the ammonium persulphate, under the condition of pH=3; Slowly drip the isopropenyl acetate monomer that adds starch quality 85% and carry out graft copolymerization; The graft copolymerization temperature is 60 ℃, and the graft copolymerization time is 6 hours, at graft copolymerization after 2 hours; Adding starch quality 0.2%, mass concentration are 1% N; N '-methylene-bisacrylamide carries out crosslinking reaction as linking agent, and reinforced and reaction is all under agitation carried out, and reaction product is starch-isopropenyl acetate cross-connect graft copolymer.
With synthetic starch-isopropenyl acetate cross-connect graft copolymer is main raw material; Add the caustic soda of starch quality 40% and the borax of starch quality 1%; Carry out crosslinking reaction at 50 ℃; The tributyl phosphate that product after the gelatinization adds starch quality 2% mixes, and reinforced and mixing is all under agitation carried out, and mix products is the anti-glue stick of fluting board production usefulness.
Above-mentioned anti-glue stick is applied in the corrugated board production, and under 25 ℃ of water temperatures, the water repelling property that records this anti-glue stick is 5 hours.
Embodiment 2:
Starch-isopropenyl acetate cross-connect graft copolymer synthetic is raw material with starch, be mixed with mass percentage concentration and be 45% starch emulsion after; With acetic acid is catalyzer, is initiator with the ammonium persulphate, under the condition of pH=4; Slowly drip the isopropenyl acetate monomer that adds starch quality 90% and carry out graft copolymerization; The graft copolymerization temperature is 70 ℃, and the graft copolymerization time is 5 hours, at graft copolymerization after 2 hours; Adding starch quality 0.3%, mass concentration are 1.5% N; N '-methylene-bisacrylamide carries out crosslinking reaction as linking agent, and reinforced and reaction is all under agitation carried out, and reaction product is starch-isopropenyl acetate cross-connect graft copolymer.
With synthetic starch-isopropenyl acetate cross-connect graft copolymer is main raw material; Add the caustic soda of starch quality 50% and the borax of starch quality 1.5%; Carry out crosslinking reaction at 55 ℃; The tributyl phosphate that product after the gelatinization adds starch quality 3.5% mixes, and reinforced and mixing is all under agitation carried out, and mix products is the anti-glue stick of fluting board production usefulness.
Above-mentioned anti-glue stick is applied in the corrugated board production, and under 25 ℃ of water temperatures, the water repelling property that records this anti-glue stick is 18 hours.
Embodiment 3:
Starch-isopropenyl acetate cross-connect graft copolymer synthetic is raw material with starch, be mixed with mass percentage concentration and be 50% starch emulsion after; With acetic acid is catalyzer, is initiator with the ammonium persulphate, under the condition of pH=5; Slowly drip the isopropenyl acetate monomer that adds starch quality 95% and carry out graft copolymerization; The graft copolymerization temperature is 80 ℃, and the graft copolymerization time is 4 hours, at graft copolymerization after 2 hours; Adding starch quality 0.5%, mass concentration are 2% N; N '-methylene-bisacrylamide carries out crosslinking reaction as linking agent, and reinforced and reaction is all under agitation carried out, and reaction product is starch-isopropenyl acetate cross-connect graft copolymer.
With synthetic starch-isopropenyl acetate cross-connect graft copolymer is main raw material; Add the caustic soda of starch quality 60% and the borax of starch quality 2%; Carry out crosslinking reaction at 60 ℃; The tributyl phosphate that product after the gelatinization adds starch quality 5% mixes, and reinforced and mixing is all under agitation carried out, and mix products is the anti-glue stick of fluting board production usefulness.
Above-mentioned anti-glue stick is applied in the corrugated board production, and under 25 ℃ of water temperatures, the water repelling property that records this anti-glue stick is 24 hours.
Claims (1)
1. the preparation method of the anti-glue stick of a fluting board production usefulness is characterized in that: comprise following process step:
1), synthetic starch-isopropenyl acetate cross-connect graft copolymer:
With starch is raw material, is catalyzer with acetic acid, is initiator with the ammonium persulphate; With the isopropenyl acetate is monomer; Under acidic conditions, carry out graft copolymerization, in the graft copolymerization again with N; The N-methylene-bisacrylamide is a linking agent, carries out crosslinking reaction and synthetic starch-isopropenyl acetate cross-connect graft copolymer;
2), the anti-glue stick of preparation fluting board production usefulness:
The starch that step 1) obtains-isopropenyl acetate cross-connect graft copolymer carries out crosslinking reaction with the borax for the secondary crosslinking agent under alkaline condition, the product after the gelatinization adds the skimmer tributyl phosphate and mixes, and obtains the anti-glue stick of fluting board production usefulness;
Described step 1) synthetic starch-isopropenyl acetate cross-connect graft copolymer is: with starch is raw material, be mixed with mass percentage concentration and be 40～50% starch emulsion after, be catalyzer with acetic acid; With the ammonium persulphate is initiator; In the pH value is 3～5 scope, slowly drip the isopropenyl acetate monomer that adds starch quality 85～95%, carry out graft copolymerization; The graft copolymerization temperature is 60～80 ℃; The graft copolymerization time is 4～6 hours, at graft copolymerization after 2 hours, adds starch quality 0.2～0.5%, mass concentration and is 1～2% acrylic amide and carry out crosslinking reaction as linking agent; Reinforced and reaction is all under agitation carried out, and reaction product is starch-isopropenyl acetate cross-connect graft copolymer;
Described step 2) be main raw material with starch-isopropenyl acetate cross-connect graft copolymer in; Add the caustic soda of starch quality 40～60% and the borax of starch quality 1～2%; Carry out crosslinking reaction at 50～60 ℃; The tributyl phosphate that product after the gelatinization adds starch quality 2～5% mixes, and obtains Corrugated Box production with anti-glue stick, and reinforced and mixing is all under agitation carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102451939A CN101979452B (en) | 2010-08-01 | 2010-08-01 | Preparation method of water-resistant adhesive for corrugated paper production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102451939A CN101979452B (en) | 2010-08-01 | 2010-08-01 | Preparation method of water-resistant adhesive for corrugated paper production |
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| CN101979452A CN101979452A (en) | 2011-02-23 |
| CN101979452B true CN101979452B (en) | 2012-04-18 |
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| CN2010102451939A Expired - Fee Related CN101979452B (en) | 2010-08-01 | 2010-08-01 | Preparation method of water-resistant adhesive for corrugated paper production |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103410041A (en) * | 2013-06-28 | 2013-11-27 | 池州浙源纸业有限公司 | Preparation method of corrugated paper with high ring crush and bursting resistance |
| CN105442386B (en) * | 2013-11-08 | 2017-08-29 | 花园新材料股份有限公司 | A kind of Low-gram-weight reinforced lightweight corrugated carton |
| CN104926572B (en) * | 2015-06-10 | 2017-10-17 | 贵州润晋碳元素材料有限公司 | A kind of ignition charge water-resistant adhesives and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251404A (en) * | 1977-08-01 | 1981-02-17 | E. I. Du Pont De Nemours And Company | Acrylic graft copolymers and coating compositions thereof |
| CN1837312A (en) * | 2006-04-25 | 2006-09-27 | 上海天之冠可再生能源有限公司 | Quick-setting water-proof paper tag adhesive and method for preparing same |
| CN101760149A (en) * | 2009-12-29 | 2010-06-30 | 莫元烈 | Environmental-friendly amylopectin composite adhesive for paper products and production method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001240628A (en) * | 2000-02-28 | 2001-09-04 | Toagosei Co Ltd | Curable composition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4251404A (en) * | 1977-08-01 | 1981-02-17 | E. I. Du Pont De Nemours And Company | Acrylic graft copolymers and coating compositions thereof |
| CN1837312A (en) * | 2006-04-25 | 2006-09-27 | 上海天之冠可再生能源有限公司 | Quick-setting water-proof paper tag adhesive and method for preparing same |
| CN101760149A (en) * | 2009-12-29 | 2010-06-30 | 莫元烈 | Environmental-friendly amylopectin composite adhesive for paper products and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001－240628A 2001.09.04 |
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Address after: 311201 No. 2, Beitang Road, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang Co-patentee after: Zhejiang University of Science and Technology Patentee after: Zhejiang Shengda packaging Limited by Share Ltd Address before: 311201 No. 2, Beitang Road, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang Co-patentee before: Zhejiang University of Science and Technology Patentee before: Zhejiang Dashengda Packing Co., Ltd. |
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Effective date of registration: 20180228 Address after: 311201 No. 2, Beitang Road, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang Patentee after: Zhejiang Shengda packaging Limited by Share Ltd Address before: 311201 No. 2, Beitang Road, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang Co-patentee before: Zhejiang University of Science and Technology Patentee before: Zhejiang Shengda packaging Limited by Share Ltd |
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Granted publication date: 20120418 Termination date: 20200801 |