CN102924639A - Preparation method for surface sizing agent - Google Patents
Preparation method for surface sizing agent Download PDFInfo
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- CN102924639A CN102924639A CN 201110226759 CN201110226759A CN102924639A CN 102924639 A CN102924639 A CN 102924639A CN 201110226759 CN201110226759 CN 201110226759 CN 201110226759 A CN201110226759 A CN 201110226759A CN 102924639 A CN102924639 A CN 102924639A
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Abstract
The invention discloses a preparation method for a surface sizing agent, and belongs to the field of chemical industry papermaking. According to the present invention, acrylic anhydride, butyl alcohol, styrene, a synthetic resin initiator, ethyl acetate and a 10% sodium hydroxide aqueous solution are adopted as raw materials, a chemical reaction kettle is adopted as a main device, and stirring is performed at a specific temperature to prepare the surface sizing agent, wherein the method has advantages of simple process, no pollution, good product quality and the like, the produced product can effectively combined with starch, paper can have characteristics of effectively-improved surface smoothness, reduced porosity and surface fuzzing and linting prevention after the surface sizing agent is used, and the preparation method can be applicable for production of high-grade writing paper, offset printing paper, carbonless copy base paper, xerographic paper and other paper.
Description
Technical field
The invention belongs to the papermaking chemical field, relate in particular to a kind of preparation method of surface sizing agent for paper making.
Background technology
A kind of additive for paper making of sizing agent generally can be divided into internal sizing agent and Surface Size.Internal sizing agent is that a class has hydrophilic radical and hydrophobic grouping, make the outside be orientated hydrophobic grouping at fiber surface, make paper hydrophobic property and anti-current body perviousness, what use morely is rosin series sizing agent, synthetic sizing agent, paraffin wax sizing agent, neutral and alkali sizing agent; Surface Size normal operation yin, yang ionic polymer substance, outward appearance is that oyster white is to light brown liquid, the pH value is between 3-5 and the 7-9, viscosity is below the 200mpa.s, soluble in water, has stronger film forming properties and good water resisting property, can be with the effective combination of starch, give the good cross-link intensity of starch coat and hydrophobic performance, Main Function is to improve the page surface flatness, reduces porosity, prevents wildness and falls hair, except the paper kinds such as blotting paper, filter paper, paraffin paper, cigarette tissue, paper for daily use, nearly all paper all needs applying glue during papermaking.Product of the present invention is a kind of Surface Size, is mainly used in the production of the paper kinds such as high-grade writing paper, offset printing paper, carbonless copying body paper, electro-photographic paper, and following benefit is arranged after the use: 1. can improve the page surface strength, solve the hair and powder dropping phenomenon; 2. raising paper printing characteristic can cover the space between the fiber and makes the page good toughness, and Gas permeability is moderate, improves simultaneously deflection, the smoothness of page, reduces to stick with paste plate and ghost phenomena in the printing; 3. with commonly used Sumstar 190, anionic starch, the fluorescent bleaches of paper industry good compatibleness is arranged all; 4. viscosity is low, and is easy to use, do not produce foam in the application process.Generally mix use with Sumstar 190 or anionic starch surface size during use, first starch is carried out gelatinization during mixing, after temperature is down to below 65 ℃, Surface Size is slowly added in the starch tank and mixes and can use, surface size concentration general control is about 6%.The raw material of producing the use of this product has: acrylic anhydride, butanols, vinylbenzene, synthetic resins initiator, ethyl acetate, 10% aqueous sodium hydroxide solution.
Summary of the invention:
The problem that the present invention mainly solves is: a kind of surface sizing agent for paper making is provided, this product has stronger film forming properties and good water resisting property, can be with the effective combination of starch, give the good cross-link intensity of starch coat and hydrophobic performance, can effectively improve the page surface flatness, reduce porosity, prevent wildness and fall hair, can be used for the production of the paper kinds such as high-grade writing paper, offset printing paper, carbonless copying body paper, electro-photographic paper.The raw material of producing this product use has: acrylic anhydride 12%, butanols 15%, vinylbenzene 45%, ethyl acetate 15%, synthetic resins initiator 2%, content are 10% aqueous sodium hydroxide solution 10%.
The present invention can be achieved through the following technical solutions:
A kind of production method of surface sizing agent for paper making is characterized in that being made of following steps:
1. add first in chemical reaction kettle that to account for total amount be 6% acrylic anhydride and to account for total amount be 15% butanols, start agitator, rotating speed is 35 rev/mins, temperature regulating to 86 ℃-88 ℃, stirring reaction 1.8-2.2 hour.
2. temperature in the still is down to about 50 ℃, adds that to account for total amount be 15% ethyl acetate, continued stirring reaction 1 hour.
3. will be warming up in the still about 60 ℃, adding successively that to account for total amount be 6% acrylic anhydride, accounting for total amount is 45% vinylbenzene, and the temperature that raises while stirring is increased to 89 ℃-91 ℃ with temperature, add immediately that to account for total amount be 2% synthetic resins initiator, stirred insulation reaction 4.9-5.1 hour.
4. after reaction finishes material in the still is sent into water distilling apparatus, heating distillates ethyl acetate, adds immediately that to account for total amount be that 10% content is 10% aqueous sodium hydroxide solution, adjust pH to the 7.5-8.5 after blowing obtain finished product.
The invention has the beneficial effects as follows: the preparation method that a kind of surface sizing agent for paper making is provided, this product has stronger film forming properties and good water resisting property, can be with the effective combination of starch, can effectively improve the page surface flatness, reduce porosity, prevent wildness and fall hair, can be used for the production of the paper kinds such as high-grade writing paper, offset printing paper, carbonless copying body paper, electro-photographic paper.
Embodiment
Embodiment 1
Add first in chemical reaction kettle that to account for total amount be 6% acrylic anhydride and to account for total amount be 15% butanols, start agitator, rotating speed is 35 rev/mins, temperature regulating to 86 ℃, stirring reaction 2.2 hours; Temperature in the still is down to about 50 ℃, adds that to account for total amount be 15% ethyl acetate, continued stirring reaction 1 hour; To be warming up in the still about 60 ℃, adding successively that to account for total amount be 6% acrylic anhydride, accounting for total amount is 45% vinylbenzene, and the temperature that raises while stirring is increased to 89 ℃ with temperature, add immediately that to account for total amount be 2% synthetic resins initiator, stirred insulation reaction 5.1 hours; After reaction finishes material in the still is sent into water distilling apparatus, heating distillates ethyl acetate, adds immediately that to account for total amount be that 10% content is 10% aqueous sodium hydroxide solution, adjust pH to the 7.5-8.5 after blowing obtain finished product.
Embodiment 2
Add first in chemical reaction kettle that to account for total amount be 6% acrylic anhydride and to account for total amount be 15% butanols, start agitator, rotating speed is 35 rev/mins, temperature regulating to 87 ℃, stirring reaction 2 hours; Temperature in the still is down to about 50 ℃, adds that to account for total amount be 15% ethyl acetate, continued stirring reaction 1 hour; To be warming up in the still about 60 ℃, adding successively that to account for total amount be 6% acrylic anhydride, accounting for total amount is 45% vinylbenzene, and the temperature that raises while stirring is increased to 90 ℃ with temperature, add immediately that to account for total amount be 2% synthetic resins initiator, stirred insulation reaction 5 hours; After reaction finishes material in the still is sent into water distilling apparatus, heating distillates ethyl acetate, adds immediately that to account for total amount be that 10% content is 10% aqueous sodium hydroxide solution, adjust pH to the 7.5-8.5 after blowing obtain finished product.
Embodiment 3
Add first in chemical reaction kettle that to account for total amount be 6% acrylic anhydride and to account for total amount be 15% butanols, start agitator, rotating speed is 35 rev/mins, temperature regulating to 88 ℃, stirring reaction 1.8 hours; Temperature in the still is down to about 50 ℃, adds that to account for total amount be 15% ethyl acetate, continued stirring reaction 1 hour; To be warming up in the still about 60 ℃, adding successively that to account for total amount be 6% acrylic anhydride, accounting for total amount is 45% vinylbenzene, and the temperature that raises while stirring is increased to 91 ℃ with temperature, add immediately that to account for total amount be 2% synthetic resins initiator, stirred insulation reaction 4.9 hours; After reaction finishes material in the still is sent into water distilling apparatus, heating distillates ethyl acetate, adds immediately that to account for total amount be that 10% content is 10% aqueous sodium hydroxide solution, adjust pH to the 7.5-8.5 after blowing obtain finished product.
Claims (5)
1. the preparation method of a Surface Size, it is characterized in that: take acrylic anhydride 12%, butanols 15%, vinylbenzene 45%, ethyl acetate 15%, synthetic resins initiator 2%, the content aqueous sodium hydroxide solution 10% as 10% as raw material, obtain finished product by following steps.
2. the preparation method of a kind of Surface Size according to claim 1, the feature of its first step is: add first in chemical reaction kettle that to account for total amount be 6% acrylic anhydride and to account for total amount be 15% butanols, start agitator, rotating speed is 35 rev/mins, temperature regulating to 86 ℃-88 ℃, stirring reaction 1.8-2.2 hour.
3. the preparation method of a kind of Surface Size according to claim 1, the feature of its second step is: temperature in the still is down to about 50 ℃, adds that to account for total amount be 15% ethyl acetate, continued stirring reaction 1 hour.
4. the preparation method of a kind of Surface Size according to claim 1, the feature in its 3rd step is: will be warming up in the still about 60 ℃, adding successively that to account for total amount be 6% acrylic anhydride, accounting for total amount is 45% vinylbenzene, temperature while stirring raises, temperature is increased to 89 ℃-91 ℃, add immediately that to account for total amount be 2% synthetic resins initiator, stirred insulation reaction 4.9-5.1 hour.
5. the preparation method of a kind of Surface Size according to claim 1, the feature in its 4th step is: reaction is sent material in the still into water distilling apparatus after finishing, heating distillates ethyl acetate, add immediately that to account for total amount be that 10% content is 10% aqueous sodium hydroxide solution, adjust pH to the 7.5-8.5 after blowing obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110226759 CN102924639A (en) | 2011-08-09 | 2011-08-09 | Preparation method for surface sizing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110226759 CN102924639A (en) | 2011-08-09 | 2011-08-09 | Preparation method for surface sizing agent |
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| CN102924639A true CN102924639A (en) | 2013-02-13 |
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| CN 201110226759 Pending CN102924639A (en) | 2011-08-09 | 2011-08-09 | Preparation method for surface sizing agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592448A (en) * | 2014-05-10 | 2015-05-06 | 嘉兴市汇丰环保材料有限公司 | Surface sizing agent preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592448A (en) * | 2014-05-10 | 2015-05-06 | 嘉兴市汇丰环保材料有限公司 | Surface sizing agent preparation method |
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Application publication date: 20130213 |