CN101886352A - Method for preparing surface sizing starch solution for papermaking - Google Patents
Method for preparing surface sizing starch solution for papermaking Download PDFInfo
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- CN101886352A CN101886352A CN 201010229576 CN201010229576A CN101886352A CN 101886352 A CN101886352 A CN 101886352A CN 201010229576 CN201010229576 CN 201010229576 CN 201010229576 A CN201010229576 A CN 201010229576A CN 101886352 A CN101886352 A CN 101886352A
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Abstract
The invention relates to a method for preparing surface sizing starch solution for paper industry. The method comprises the following steps of: adding a certain amount of water and a certain amount of original starch into a reaction vessel according to a proportion in turn and uniformly mixing the water and the original starch; adding alpha-amylase and a cationic etherifying agent with stirring according to a proportion; reacting for 10 to 30 minutes at the temperature of between 70 and 90 DEG C; continuously increasing the temperature to 120-130 DEG C and stopping the reaction; adding the water into the starch solution to dilute the starch solution until the concentration is 6 to 12 percent; and cooling the solution to 50-60 DEG C and conveying the solution for surface sizing for papermaking. A product of the invention can effectively improve the surface strength of a paper, reduce the phenomena of hair shedding and powder shedding and improve the printing performance and the writing performance; the viscosity of the product can be adjusted according to requirements to ensure convenient operation of sizing technology; and the method also has the characteristics of simple preparation process, capability of greatly reducing production cost and the like.
Description
Technical field
The present invention relates to a kind of preparation method of surface sizing starch solution for papermaking.
Background technology
Top sizing is an operation in the paper process, be usually located at the oven dry portion end of paper machine, make page when bone dry does not but have certain intensity, spray one deck glue, form one deck glued membrane through subsequent drying at paper and paperboard surface, thereby reach the purpose that changes paper or paperboard surface performance.
Raising along with the paper industry technical merit, the top sizing of paper has become a kind of paper process operation of routine, especially in recent years because of the development of printing technology surface property, surface strength and the printing performance of cultural paper, wrapping paper are had higher requirement, so paper industry is constantly being sought new top sizing technology.
Paper plant's Cypres commonly used can be divided into two classes substantially at present: natural polymer and synthetic polymer.Natural polymer has wide, the advantages such as price is low, easily biological-degradable in source, occupies important proportion on Cypres market always, mainly contains starch, guar gum, cellulose and hemicellulose, gelatin, chitin and alginic acid etc.And the synthetic polymer analog assistant is owing to can give paper more excellent performance, development in recent years is rapider, mainly contain phenylethylene-maleic anhydride polymer (SMA), copolymer in cinnamic acrylic ester (SAE), cinnamic acrylic ester-maleic anhydride monoester copolymer (SAM), polyurethane aqueous dispersion (PU) etc., synthetic polymer class Cypres application cost is higher.
Starch is a kind of natural polymer, also is a kind of important paper surface-sizing agent.Natural ative starch viscosity height, mobile poor, cohesion easily precipitates behind the dilute with water easily, also has significant limitation aspect caking property, the film forming, so what use in glue system is modified starch.The most frequently used modified starch is oxidized starch, sour modified starch, enzyme converted starch, acetylated starch, hydroxyalkyl starch, cationic starch, phosphate ester starch, acetate starch, graft copolymerization starch etc. in the top sizing.
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Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of surface sizing starch solution for papermaking, use this starch fluid can improve surface strength of paper effectively, reduce and fall hair, dry linting, improve printing and writing quality, viscosity can be regulated as required simultaneously, be convenient to the stable operation of glue-applying technique, it is simple also to have preparation technology, and characteristics such as reduce production costs significantly.
Technical scheme of the present invention is: a kind of preparation method of surface sizing starch solution for papermaking is characterized in that:
1. be raw material with the ative starch, ative starch is added water, and to be made into mass concentration be 10～30% starch suspension, adds α-Dian Fenmei and carry out enzymatic conversion reaction, and addition is a starch oven-dry weight 0.01～0.02%; Add cationic etherifying agent simultaneously and carry out the CATION etherification reaction, its cationic etherifying agent is high-efficiency activated cationic etherifying agent 2,3-epoxypropyl trimethylammonium chloride ammonium, and addition is a starch oven-dry weight 2～4%; ,, continue to be warming up to 120～130 ℃ of stopped reactions 70～90 ℃ of reactions 10～30 minutes; Enzymatic conversion reaction and CATION etherification reaction and starch cook prepare surface sizing starch liquid process to carry out simultaneously;
2. with the starch fluid thin up to concentration 6～12%, temperature is cooled to obtain after 50～60 ℃ the starch fluid that uses for paper surface-sizing.
Core of the present invention is at enzyme converted starch viscosity instability, surface strength of paper is lower and cationic starch viscosity is big, be not easy to problems such as glue-applying technique operation, ative starch is carried out CATION etherification reaction and enzymatic conversion reaction simultaneously, and modified-reaction and starch cook prepare surface sizing starch liquid process to carry out synchronously, has reduced production cost significantly.
The specific embodiment
Embodiment 1:
In beaker, add starch 200g, add water 800mL, 100 times α-Dian Fenmei 3g, 2 is diluted in the back adding that stirs, 3-epoxypropyl trimethylammonium chloride ammonium 6g, place the water-bath temperature reaction of belt stirrer,, continue to be warming up to 120～130 ℃ of stopped reactions 70～90 ℃ of reactions 10～30 minutes, to concentration 6～12%, temperature is cooled to obtain after 50～60 ℃ the starch fluid that uses for paper surface-sizing with the starch fluid thin up.
Embodiment 2:
In reactor, add clear water 8m
3Add starch 2t while stirring, 100 times α-Dian Fenmei 30kg, 2 is diluted in the back adding that stirs, 3-epoxypropyl trimethylammonium chloride ammonium 50kg, be warming up to 70～90 ℃ of reactions 10～30 minutes, continue to be warming up to 120～130 ℃ of stopped reactions, to concentration 6～12%, temperature is cooled to obtain after 50～60 ℃ the starch fluid that uses for paper surface-sizing with the starch fluid thin up.
Claims (1)
1. the preparation method of a surface sizing starch solution for papermaking is characterized in that:
1. be raw material with the ative starch, ative starch is added water, and to be made into mass concentration be 10～30% starch suspension, adds α-Dian Fenmei and carry out enzymatic conversion reaction, and addition is a starch oven-dry weight 0.01～0.02%; Add cationic etherifying agent simultaneously and carry out the CATION etherification reaction, its cationic etherifying agent is high-efficiency activated cationic etherifying agent 2,3-epoxypropyl trimethylammonium chloride ammonium, and addition is a starch oven-dry weight 2～4%; ,, continue to be warming up to 120～130 ℃ of stopped reactions 70～90 ℃ of reactions 10～30 minutes; Enzymatic conversion reaction and CATION etherification reaction and starch cook prepare surface sizing starch liquid process to carry out simultaneously;
2. with the starch fluid thin up to concentration 6～12%, temperature is cooled to obtain after 50～60 ℃ the starch fluid that uses for paper surface-sizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102295767A CN101886352B (en) | 2010-07-19 | 2010-07-19 | Method for preparing surface sizing starch solution for papermaking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102295767A CN101886352B (en) | 2010-07-19 | 2010-07-19 | Method for preparing surface sizing starch solution for papermaking |
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| Publication Number | Publication Date |
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| CN101886352A true CN101886352A (en) | 2010-11-17 |
| CN101886352B CN101886352B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102295767A Active CN101886352B (en) | 2010-07-19 | 2010-07-19 | Method for preparing surface sizing starch solution for papermaking |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660893A (en) * | 2012-04-26 | 2012-09-12 | 金东纸业（江苏）股份有限公司 | Sizing liquid, preparation method and coated paper using sizing liquid |
| CN102767110A (en) * | 2011-05-05 | 2012-11-07 | 天津广聚源纸业有限公司 | Surface sizing method in corrugating medium production process |
| CN106868940A (en) * | 2017-02-15 | 2017-06-20 | 四川新华扬山野生物有限公司 | A kind of page surface applying glue amylan and its processing method |
| CN111072789A (en) * | 2019-12-02 | 2020-04-28 | 宁波亚洲浆纸业有限公司 | High-speed paper machine, cationic starch and preparation method thereof |
| CN114561832A (en) * | 2022-03-01 | 2022-05-31 | 山东博汇纸业股份有限公司 | Antistatic production process of electrostatic copying paper |
-
2010
- 2010-07-19 CN CN2010102295767A patent/CN101886352B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 《精细化工》 20071231 吴修利等 高取代度阳离子淀粉的合成与表征 第1218-1221页 1 第24卷, 第12期 2 * |
| 《造纸化学品》 20100430 刘泽福等 酶改性玉米淀粉表面施胶液制备的工艺改进 第34-36页 1 第22卷, 第2期 2 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767110A (en) * | 2011-05-05 | 2012-11-07 | 天津广聚源纸业有限公司 | Surface sizing method in corrugating medium production process |
| CN102660893A (en) * | 2012-04-26 | 2012-09-12 | 金东纸业（江苏）股份有限公司 | Sizing liquid, preparation method and coated paper using sizing liquid |
| CN102660893B (en) * | 2012-04-26 | 2014-12-24 | 金东纸业（江苏）股份有限公司 | Sizing liquid, preparation method and coated paper using sizing liquid |
| CN106868940A (en) * | 2017-02-15 | 2017-06-20 | 四川新华扬山野生物有限公司 | A kind of page surface applying glue amylan and its processing method |
| CN111072789A (en) * | 2019-12-02 | 2020-04-28 | 宁波亚洲浆纸业有限公司 | High-speed paper machine, cationic starch and preparation method thereof |
| CN114561832A (en) * | 2022-03-01 | 2022-05-31 | 山东博汇纸业股份有限公司 | Antistatic production process of electrostatic copying paper |
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| Publication number | Publication date |
|---|---|
| CN101886352B (en) | 2012-05-30 |
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| ASS | Succession or assignment of patent right |
Owner name: CHANGSHA UNIVERSITY OF SCIENCES+TECHNOLOGY Effective date: 20120213 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Lefan Inventor after: Chen Jinshan Inventor after: Li Dan Inventor after: Zhou Jintao Inventor after: Liu Chunjing Inventor before: Li Dan Inventor before: Zhou Jintao Inventor before: Liu Chunjing |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI DAN ZHOU JINTAO LIU CHUNJING TO: MA YUEFAN CHEN JINSHAN LI DAN ZHOU JINTAO LIU CHUNJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120213 Address after: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Applicant after: Yueyang Paper-making Industry Co., Ltd. Co-applicant after: Changsha University of Sciences and Technology Address before: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Applicant before: Yueyang Paper-making Industry Co., Ltd. |
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