CN102409576A - Environment-friendly papermaking coating using biological latex - Google Patents
Environment-friendly papermaking coating using biological latex Download PDFInfo
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- CN102409576A CN102409576A CN2011103757217A CN201110375721A CN102409576A CN 102409576 A CN102409576 A CN 102409576A CN 2011103757217 A CN2011103757217 A CN 2011103757217A CN 201110375721 A CN201110375721 A CN 201110375721A CN 102409576 A CN102409576 A CN 102409576A
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Abstract
The invention provides an environment-friendly papermaking coating using biological latex. The coating comprises the following components in percentage by weight: 10 to 20 percent of biological latex, 65 to 80 percent of heavy calcium carbonate and 1 to 15 percent of auxiliary material, wherein the biological latex is nanoscale modified starch, phosphate ester starch or modified soy protein. Paper produced by the environment-friendly papermaking coating using the biological latex has high printing surface intensity, high paper glossiness and printing glossiness and high food contact safety; by the produced environment-friendly papermaking coating, the cost of the papermaking coating is reduced, the quality of the paper can be improved when the coating is coated on the paper, the consumption of petroleum is reduced, the content of harmful substances in the coated paper is reduced, and the application of packaging paper is enlarged; and the coating is a real low-carbon environment-friendly papermaking coating.
Description
Technical field:
The present invention relates to a kind of preparation method of feature of environmental protection paper grade (stock) coating.
Background technology
The existing market requires increasingly highly to coated paper and paperboard, concerning with the closely bound up wrapping paper of human lives, requires it can not contain aromatic hydrocarbon harmful substances such as benzene series thing; The adhesive that paper coating is at present used is main with synthetic latexes such as styrene-butadiene latex, styrene-acrylic latexes mostly; This synthetic latex main raw material is that butadiene, acrylic acid ester and styrene etc. are synthetic, and two kinds of drawbacks are arranged, the one, and the synthetic latex raw material is to extract from petroleum refining product the inside; Oil is non-renewable resources relatively more nervous, important on the our times; Along with climbing up and up of oil price, the price of paper grade (stock) synthetic latex is soaring gradually, and synthetic so far carboxylic styrene butadiene latex has increased to about 12000 yuan per ton; Thereby cause the production cost of coated paper to rise violently, seriously restrict the development of coated paper; The 2nd, synthetic latex still remaining benzene series things such as toluene, ethylo benzene; In the paper making and cloth coating process, evaporate; The environment of papermaking enterprise periphery pollutes, the paper that forms polluted, and be forbidden for packing clothes, cigarette etc. with the tight commodity of the mankind; This also can hinder the development of coated paper, is essential so develop the paper grade (stock) coating of a kind of low cost and environment-friendly type.
Summary of the invention:
The purpose of this invention is to provide a kind of feature of environmental protection paper grade (stock) coating that uses biological latex, to overcome the above-mentioned defective that prior art exists.
Use the feature of environmental protection paper grade (stock) coating of biological latex, it is characterized in that:
The feature of environmental protection paper grade (stock) coating of the biological latex of use of the present invention comprises following components in weight percentage:
Biological latex 10～20%
Powdered whiting 65～80%
Auxiliary material 1～15%
Said biological latex is nano level modified starch, phosphoric acid fat starch or modified soy-bean protein, preferred nano level modified starch, and its preparation method is following: with starch, 3; Methylene-1,2 in the 6-, 3; 6-tetrahydrophthalic anhydride, diphenyl sulfoxide and pyridine mixed 5～15 hours, poured in the ethyl acetate, filtered; Get white paste, obtain said nano level modified starch through reactive extrusion processing, particle diameter is 80～200nm;
The parts by weight of each component are following:
The reactive extrusion processing technology is following:
The raw material adding is had in the extruder of helical structure, and the process through the shearing force in the machine is processed raw material for example can adopt the CN101535397A disclosed method.
Said powdered whiting for example adopts the powdered whiting of CN1999331A method preparation preferably less than the powdered whiting of 2 μ m content, 20～60wt%;
Said auxiliary material comprises dispersant, lubricant, water repellent agent and thickener, can select this area conventional products;
Said dispersant optimization polypropylene acids dispersant, the dispersant that for example prepares according to the CN101705637A disclosed method;
The preferred higher fatty acid salt lubricant of said lubricant, the lubricant that for example prepares according to the CN101078187A disclosed method;
Said water repellent agent preferably has C-NH
2The aqueous solution of the polyamide polyureas ethylene oxidic ester of group, the water repellent agent that for example prepares according to the CN1958949A disclosed method;
Said thickener preferably carboxymethyl cellulose sodium;
Said auxiliary material can also comprise bacteriostatic agent, preferred sodium hydrogensulfite of said bacteriostatic agent or potassium sorbate, and said bacteriostatic agent consumption accounts for 0.25～2wt% of said coating.
The feature of environmental protection paper grade (stock) coating of the biological latex of said use, pH is 8.5-9.5, solid content weight content 50-70%, volatile gas (VOC) detects benzene series thing≤0.1mg/kg.
The preparation method is conventional physical mixed method, biological latex, powdered whiting and auxiliary material is mixed in proportion getting final product.
The feature of environmental protection paper grade (stock) coating of the biological latex of use of the present invention, the coating that is mainly used in high-grade false proof tobacco bale and the high-grade food and the coating of cosmetic package paper.The paper of producing has good print surface intensity, good sheet gloss and print gloss, good Food Contact security.
Under the condition that salient point of the present invention is to use biological latex to replace synthetic latex, its advantage is:
1, uses biological latex to replace synthetic latex, under the situation that does not reduce the coated paper quality, reduce the cost of paper grade (stock) coating, promote the development of coated paper;
2, use the feature of environmental protection paper grade (stock) coating of biological latex, do not have volatile harmful toxic matter, make this coated paper be used for high-grade false proof tobacco bale and harmless packings such as high-grade food and cosmetics, enlarge the purposes of wrapping paper;
3, use the feature of environmental protection paper grade (stock) coating of biological latex, reduce dependence and the demand of papermaking, practice thrift consumption oil to the petroleum-type product;
4, use the feature of environmental protection paper grade (stock) coating of biological latex, utilize physical method to improve the prescription and the technology of batching, reach the requirement of environmental protection low-carbon (LC), technology is simple, and energy consumption is lower.
In sum; The feature of environmental protection paper grade (stock) coating of producing according to the method for the invention reduces the cost of paper making and cloth coating with coating, is used for the quality of paper coating can raising paper; Practice thrift the consumption of oil; Reducing the harmful substance contents of coated paper, enlarge the purposes of package paper, is the paper grade (stock) coating of real low-carbon environment-friendly.
The specific embodiment
Among the embodiment, if no special instructions, component all is weight percentage.
Embodiment 1
Prescription:
Biological latex 10%, coarse whiting 80%, dispersant 5%, lubricant 0.2%, water repellent agent 3%, thickener 1.8%.
The model that coarse whiting adopts Shanghai dongsheng New Materials Co., Ltd to produce is the product of GX-GCC D55;
Dispersant is the polyacrylic dispersant, and the model that adopts Shanghai dongsheng New Materials Co., Ltd to produce is the product of DS-FS 142;
Lubricant is a higher fatty acid salt, and the model that adopts Shanghai dongsheng New Materials Co., Ltd to produce is the product of DS-RH 316;
Water repellent agent is for having C-NH
2The aqueous solution of the polyamide polyureas ethylene oxidic ester of group, the model that adopts Shanghai dongsheng New Materials Co., Ltd to produce is the product of DS-KS 601;
Thickener adopts sodium carboxymethylcellulose.
The preparation method of biological latex:
With 50 gram starch, 3.5 grams 3, methylene-1,2 in the 6-; 3; 6-tetrahydrophthalic anhydride, 2 gram diphenyl sulfoxides, 0.8 gram pyridine mixed 10 hours, poured in the 25 gram ethyl acetate, crossed and filtered white paste; Obtain nano level modified starch through reactive extrusion processing, particle diameter is 100nm.The CN101535397A disclosed method is adopted in reactive extrusion processing.
Comparative Examples 1
Biological latex in embodiment 1 prescription is replaced to styrene-butadiene latex.Styrene-butadiene latex adopts the method preparation of the embodiment 1 of CN101077902A.
Detect according to following prescription and method:
Adopting quantitatively is 80g/m
2Art base paper uses linear spreading rod to carry out single coated as bodystock paper paper, is coated with/cloth amount 13g/m
2
Coating rolling condition: get above-mentioned coating pattern respectively with twice of the hard press polish of small-sized calender (0.3Mpa, 85 ℃).
Testing result is following:
(1) different coating indexs contrast
(2) use the art paper index of different coating to contrast
Conclusion:
Environment-friendly type coating uses in art paper, and the serviceability and the styrene-butadiene latex that rise biological latex through each item index analysis east are close, and volatile benzene series thing is not contained in the coating the inside.
Embodiment 2
Biological latex 20%, coarse whiting 70%, dispersant 3%, lubricant 5%, water repellent agent 0.5%, thickener 0.2%, bacteriostatic agent 0.3%.
Coarse whiting, dispersant, lubricant and water repellent agent are with embodiment 1, and bacteriostatic agent adopts potassium sorbate.The preparation method of biological latex:
With 50 gram starch, 2 grams 3, methylene-1,2 in the 6-; 3,6-tetrahydrophthalic anhydride, 3 gram diphenyl sulfoxides, 1 gram pyridine mixed 10 hours, poured in the 30 gram ethyl acetate; Cross and filter white paste, obtain nano level modified starch through reactive extrusion processing, particle diameter is 120nm.The CN101535397A disclosed method is adopted in reactive extrusion processing.
Comparative Examples 2
Biological latex in embodiment 2 prescriptions is replaced to styrene-butadiene latex.Styrene-butadiene latex adopts the method preparation of the embodiment 1 of CN101077902A.
It is 200g/m that experiment is adopted quantitatively
2White card body paper uses linear spreading rod to carry out single coated as bodystock paper paper, is coated with/cloth amount 15g/m
2
Coating rolling condition: get above-mentioned coating pattern respectively with twice of the hard press polish of small-sized calender (0.15Mpa, 75 ℃).
Testing result is following:
(1) coating index contrast
(2) use the top grade packing art post paperboard index of different coating to contrast
Conclusion
Environment-friendly type coating uses in top grade packing art post paperboard, and the serviceability and the styrene-butadiene latex that rise biological latex through each item index analysis east are close, and volatile benzene series thing is not contained in the coating the inside.
Claims (6)
1. use the feature of environmental protection paper grade (stock) coating of biological latex, it is characterized in that, comprise the component of following parts by weight:
Biological latex 10～20%
Powdered whiting 65～80%
Auxiliary material 1～15%
Said biological latex is nano level modified starch, phosphoric acid fat starch or modified soy-bean protein.
2. the feature of environmental protection paper grade (stock) coating of the biological latex of use according to claim 1 is characterized in that said biological latex is nano level modified starch.
3. the feature of environmental protection paper grade (stock) coating of the biological latex of use according to claim 2 is characterized in that nano level modified starch preparation method is following:
With starch, 3, methylene-1,2 in the 6-, 3; 6-tetrahydrophthalic anhydride, diphenyl sulfoxide and pyridine mixed 5～15 hours, poured in the ethyl acetate, filtered; Get white paste, obtain said nano level modified starch through reactive extrusion processing, particle diameter is 80～200nm;
The parts by weight of each component are following:
4. according to the feature of environmental protection paper grade (stock) coating of claim 1, the biological latex of 2 or 3 described uses, it is characterized in that said auxiliary material comprises more than one in dispersant, lubricant, water repellent agent and the thickener.
5. the feature of environmental protection paper grade (stock) coating of the biological latex of use according to claim 4 is characterized in that said dispersant is the polyacrylic dispersant;
Said lubricant is a higher fatty acid salt lubricant;
Said water repellent agent is for having C-NH
2The aqueous solution of the polyamide polyureas ethylene oxidic ester of group;
Said thickener is a sodium carboxymethylcellulose.
6. the feature of environmental protection paper grade (stock) coating of the biological latex of use according to claim 4 is characterized in that said auxiliary material also comprises bacteriostatic agent.
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| CN 201110375721 CN102409576B (en) | 2011-11-22 | 2011-11-22 | Environment-friendly papermaking coating using biological latex |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452442A (en) * | 2014-11-04 | 2015-03-25 | 广西大学 | Method for improving smoothness and surface strength of paper |
| CN104480794A (en) * | 2014-11-13 | 2015-04-01 | 常熟市常隆包装有限公司 | Packaging paper with fragrance |
| CN107653738A (en) * | 2017-09-30 | 2018-02-02 | 衢州超群钙业有限公司 | A kind of powdered whiting base papermaking paint and preparation method thereof |
| CN108949022A (en) * | 2018-06-07 | 2018-12-07 | 中科院广州化学有限公司南雄材料生产基地 | A kind of biology latex, biological latex paint and its preparation method and application |
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| CN1458336A (en) * | 2003-06-02 | 2003-11-26 | 岳阳纸业股份有限公司 | No-lustre coating printing paper and its producing method |
| CN1769587A (en) * | 2005-09-22 | 2006-05-10 | 岳阳纸业股份有限公司 | Refined light weight coated paper and its production process |
| CN101210399A (en) * | 2007-12-24 | 2008-07-02 | 上海东升新材料有限公司 | Dope used as back coat of white bottom coated white board paper and its preparing method and application |
| CN102115551A (en) * | 2010-12-31 | 2011-07-06 | 永港伟方（北京）科技股份有限公司 | Starch-based nano biological latex and preparation method thereof |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1458336A (en) * | 2003-06-02 | 2003-11-26 | 岳阳纸业股份有限公司 | No-lustre coating printing paper and its producing method |
| CN1769587A (en) * | 2005-09-22 | 2006-05-10 | 岳阳纸业股份有限公司 | Refined light weight coated paper and its production process |
| CN101210399A (en) * | 2007-12-24 | 2008-07-02 | 上海东升新材料有限公司 | Dope used as back coat of white bottom coated white board paper and its preparing method and application |
| CN102115551A (en) * | 2010-12-31 | 2011-07-06 | 永港伟方（北京）科技股份有限公司 | Starch-based nano biological latex and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104452442A (en) * | 2014-11-04 | 2015-03-25 | 广西大学 | Method for improving smoothness and surface strength of paper |
| CN104480794A (en) * | 2014-11-13 | 2015-04-01 | 常熟市常隆包装有限公司 | Packaging paper with fragrance |
| CN107653738A (en) * | 2017-09-30 | 2018-02-02 | 衢州超群钙业有限公司 | A kind of powdered whiting base papermaking paint and preparation method thereof |
| CN108949022A (en) * | 2018-06-07 | 2018-12-07 | 中科院广州化学有限公司南雄材料生产基地 | A kind of biology latex, biological latex paint and its preparation method and application |
| CN108949022B (en) * | 2018-06-07 | 2021-01-22 | 中科院广州化学有限公司南雄材料生产基地 | Biological latex, biological latex paint, and preparation method and application thereof |
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| CN102409576B (en) | 2013-08-21 |
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Address after: 200233, Shanghai, Xuhui District, Tianlin Road No. 1, building 701, room 388, Shanghai Patentee after: Shanghai Dongsheng new material Co., Ltd. Patentee after: Dssun New Material (Shandong) Co., Ltd. Address before: 200233, Shanghai, Xuhui District, Tianlin Road No. 1, building 701, room 388, Shanghai Patentee before: Shanghai Dongsheng new material Co., Ltd. Patentee before: Yanzhou Dongsheng Fine Chemical Co., Ltd. |