CN102899961A - Novel environment-friendly paper surface glazing finishing emulsion and preparation method thereof - Google Patents
Novel environment-friendly paper surface glazing finishing emulsion and preparation method thereof Download PDFInfo
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- CN102899961A CN102899961A CN2012103348169A CN201210334816A CN102899961A CN 102899961 A CN102899961 A CN 102899961A CN 2012103348169 A CN2012103348169 A CN 2012103348169A CN 201210334816 A CN201210334816 A CN 201210334816A CN 102899961 A CN102899961 A CN 102899961A
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Abstract
The invention discloses a novel environment-friendly paper surface glazing finishing emulsion and a preparation method thereof. The emulsion comprises, by weight, 5 to 40% of a natural high-molecular material, 40 to 60% of a hard monomer, 30 to 50% of a soft monomer, 0.01 to 5% of a functional monomer, 0.02 to 5% of a modifier and 0.2 to 0.5% of an initiator, with the balance being deionized water. The novel environment-friendly paper surface glazing finishing emulsion provided by the invention has the advantages of capacity of film forming at room temperature, nontoxicity, no odor, striking transparency, strong adhesion, good leveling performance, no discharge of organic volatile matters (VOC) and the like, overcomes the defects of a high glass transition temperature, low dual-component resin complex formulation, utilization of an emulsifier, a film forming auxiliary agent and the like of a conventional waterborne glazing agent, regenerable resources are fully utilized, a product is sanitary and biodegradable after cyclic usage, environmental pollution is reduced, and economy and environmental protection are realized.
Description
Technical field
The present invention relates to a kind of novel environment friendly paper surface glazing and cover with paint, lacquer, colour wash, etc. emulsion, especially also relate to its preparation method.
Background technology
Along with the development of market economy and improving constantly of human living standard, people more and more pay attention to the printing decoration of all kinds of packings, publication etc.Traditional BOPP, PET plastic film composite sheet have glossiness height, the advantage such as durable attractive in appearance, but are unfavorable for the recycling of waste paper, cause easily environmental pollution.Along with the development of society, human protection consciousness to living environment also improves constantly, and has replaced gradually the plastic film composite sheet at printed matter top finishing oil polish.Oil polish can be given the good surface gloss of printed matter, improve ABRASION RESISTANCE, resistance to water, stain resistance and the chemical-resistant of printed matter, thereby plays the protective effect to paper and ink pellet surface, promotes print quality.Simultaneously, the recyclable recycling of glazing paper, saving resource is conducive to environmental protection, so oil polish is used widely in the modern packaging industry.
Oil polish commonly used mainly contains solvent-borne type oil polish, UV oil polish, water lustering oil etc. at present.Because the multi-solvents that the solvent-borne type oil polish adopts is volatile, has the defective of inflammable, poisonous and contaminated environment in preparation process; The UV oil polish exists price high, and is high to the performance requirement of machine, and the activated monomer solvent of use is the volatile shortcoming such as operating environment deterioration that causes in use, only is used at present high-grade paper product glazing.And water lustering oil is owing to have nontoxic, tasteless, the characteristics such as transparent feel strong, low VOC discharging, cost is low, the raw material source is wide, especially its environmental-protecting performance is that other products is incomparable, so water lustering oil is adopted by increasing printing factory.
Commercially available water lustering oil has two kinds of bi-component and one pack systems usually, and bi-component is to adopt the high and two kinds of low resins of vitrification point according to requirements to carry out composite forming, and one pack system then is the production of employing conventional emulsion polymerization.No matter be bi-component or one pack system, the polymer emulsions such as employed acrylate all use emulsifying agent in emulsion polymerisation, and coalescents, stability of emulsion (particularly freeze-stable, dilution stability) is poor, cost is high, easily produce environmental pollution.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of novel environment friendly paper surface glazing to cover with paint, lacquer, colour wash, etc. emulsion and preparation method thereof.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of novel environment friendly paper surface glazing is covered with paint, lacquer, colour wash, etc. emulsion, the component that contains following percentage by weight: modified natural polymer material 5～40%, hard monomer 40～60%, soft monomer 30～50%, function monomer 0.01～5%, modifier 0.02～5%, initator 0.2～0.5%, deionized water surplus.
Described modified natural polymer material can be a kind of in starch, starch derivatives, protein, cellulose, chitin, the shitosan.
Described modifier is a kind of in biology enzyme, hydrochloric acid, sulfuric acid, aqueous sodium hypochlorite solution, hydrogen peroxide and the ammonium persulfate or their combination.
Described hard monomer is one or more in the high styrene of Tg, methyl acrylate, methyl methacrylate, the acrylonitrile.
Described soft monomer is one or more in the low ethyl acrylate of Tg, ethyl methacrylate, butyl acrylate, butyl methacrylate, Isooctyl acrylate monomer, the vinylacetate.
Described function monomer is one or more in divinylbenzene, acrylic acid, Hydroxyethyl Acrylate, methacrylic acid hydroxyl ethyl ester, acrylic acid hydroxy propyl ester, methacrylic acid hydroxyl propyl ester, glycidyl acrylate, N one n-methylolacrylamide.
Described initator is a kind of in sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate and sodium hydrogensulfite, sodium sulfite, the sodium thiosulfate or their combination.
Described water is deionized water.
The particle diameter that described novel environment friendly paper surface glazing is covered with paint, lacquer, colour wash, etc. emulsion is little, is 76～174nm, narrow molecular weight distribution.In 38%～50% concentration by weight, under 25 ℃ the temperature be coated with-viscosity that the 4# viscosimeter records is 20～200 ".
Another object of the present invention is to provide a kind of novel environment friendly paper surface glazing to cover with paint, lacquer, colour wash, etc. the preparation method of emulsion, may further comprise the steps:
(1) the modified natural polymer material being disperseed with deionized water, join and be equipped with in the churned mechanically reactor, start stirring, be warming up to 60～100 ℃, add modifier, is the emulsifying agent that the dispersion and emulsion effect is arranged with modifier treatment;
(2) a small amount of hard monomer, soft monomer and initator are joined in the reactor, make monomer and macromolecular material graft copolymerization form emulsification system, temperature is 60～95 ℃, 15～30 minutes time;
(3) stirring is lower drips hard monomer, soft monomer, function monomer and initator from head tank simultaneously in reactor, maintain the temperature between 60～95 ℃, drips off in 1～3 hour;
(4) start stirring, logical cold water is cooled to below 60 ℃, filters, and obtains product.
The present invention is the emulsifying agent that natural macromolecular material is treated to the dispersion and emulsion effect, forms emulsification system with acrylic monomer graft copolymerization, carries out the one pack system macromolecule nucleocapsid structure soap-free emulsion that seeded emulsion polymerization forms with the monomer such as acrylate again.Do not contain emulsifying agent, antifreezing agent, coalescents etc. in the emulsion, Glass Transition Temperature of Latex can be regulated in the glycerol polymerization process according to requirements.Emulsion relies on emulsion particle self drying and forming-film, vitrification point with the film-forming temperature of emulsion and emulsion polymer is irrelevant, nontoxic, tasteless, transparent feel is strong, strong adhesion, flow leveling are good, without organic volatile (VOC) discharging, stability of emulsion high.Overcome that traditional water lustering oil stability of emulsion (particularly freeze-stable, dilution stability) composite with the high and low bi-component resin of vitrification point and that use emulsifying agent, coalescents etc. to bring is poor, cost is high, easily produced the defective such as environmental pollution, take full advantage of renewable resource, product health, biodegradable through recycling, environmental contamination reduction, economy is environmental protection again.
The specific embodiment:
The invention will be further described below in conjunction with embodiment, it should be understood that these embodiment only are used for the purpose of illustration, never limit protection scope of the present invention.
Embodiment 1:
(1) cassava ative starch 180kg, moisture is 14wt%, the amount of the cassava ative starch of over dry is about 30kg, deionized water 500kg joins and is equipped with in the churned mechanically reactor, stirs, add biodiastase 1.0kg, be warming up to 100 ℃, reacted 30 minutes;
(2) temperature of adjustment modified natural polymer material is 65 ℃, add ammonium persulfate 0.1kg, sodium hydrogensulfite 0.1kg adds styrene 15kg, methyl methacrylate 5kg, ethyl acrylate 5kg mix monomer, reacted 30 minutes, and obtained being the polymer dispersion liquid of micella attitude;
(3) stirring is lower drips mix monomer and initator from head tank simultaneously in reactor, keep 65 ℃ of temperature, dripped off in 3 hours, wherein mix monomer is styrene 115kg, methyl methacrylate 25kg, ethyl acrylate 93kg, hydroxyethyl methylacrylate 8kg, wherein initator is the combination of ammonium persulfate aqueous solution and sodium hydrogensulfite, and the ammonium persulfate aqueous solution preparation method is: the 1.2kg ammonium persulfate adds 160kg deionized water and stirring dissolve complete, sodium hydrogensulfite 0.7kg;
(4) logical cold water is cooled to below 60 ℃, filter with 120 eye mesh screens, obtain 1100kg novel environment friendly paper surface glazing and cover with paint, lacquer, colour wash, etc. emulsion, in 38% concentration by weight, the viscosity under 25 ℃ is 25 " (being coated with the 4# viscosimeter), particle diameter are 107nm; emulsion is penetrating; good film-forming property, and mechanical stability and chemical stability are good, strong adhesion.
Embodiment 2:
(1) cellulose 92kg, deionized water 500kg joins and is equipped with in the churned mechanically reactor, stirs, and adds sodium peroxydisulfate 3.68kg, is warming up to 70 ℃, reacts 15 minutes;
(2) add styrene 5kg, Isooctyl acrylate monomer 7kg mix monomer to reactor, reacted 30 minutes, obtain the polymer micelle dispersion liquid of transparent little indigo plant;
(3) stirring is lower drips mix monomer and initator from head tank simultaneously in reactor, keep temperature 70 C, dripped off in 3 hours, wherein mix monomer is styrene 56.3kg, methyl acrylate 92kg, Isooctyl acrylate monomer 66.5kg, vinyl acetate 49kg, acrylic acid 7.35kg, wherein initator is sodium persulfate aqueous solution, and the preparation method is: the 1.5kg sodium peroxydisulfate adds 120kg deionized water and stirring dissolve complete;
(4) logical cold water is cooled to below 60 ℃, filter with 120 eye mesh screens, obtain 1000kg novel environment friendly paper surface glazing and cover with paint, lacquer, colour wash, etc. emulsion, in 38% concentration by weight, the viscosity under 25 ℃ is 34 " (being coated with the 4# viscosimeter), particle diameter are 150nm; emulsion is penetrating; good film-forming property, and mechanical stability and chemical stability are good, strong adhesion.
Claims (10)
1. a novel environment friendly paper surface glazing is covered with paint, lacquer, colour wash, etc. emulsion, it is characterized in that: formed according to percentage by weight by following component: modified natural polymer material 5～40%, hard monomer 40～60%, soft monomer 30～50%, function monomer 0.01～5%, modifier 0.02～5%, initator 0.2～0.5%, deionized water surplus.
2. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, it is characterized in that: described modified natural polymer material is a kind of in starch, starch derivatives, protein, cellulose, chitin, the shitosan.
3. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, it is characterized in that: described modifier is a kind of in biology enzyme, hydrochloric acid, sulfuric acid, aqueous sodium hypochlorite solution, hydrogen peroxide and the ammonium persulfate or their combination.
4. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, and it is characterized in that: described hard monomer is one or more in the high styrene of Tg, methyl acrylate, methyl methacrylate, the acrylonitrile.
5. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, and be characterised in that: described soft monomer is one or more in the low ethyl acrylate of Tg, ethyl methacrylate, butyl acrylate, butyl methacrylate, Isooctyl acrylate monomer, the vinylacetate.
6. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, and it is characterized in that: described function monomer is one or more in divinylbenzene, acrylic acid, Hydroxyethyl Acrylate, methacrylic acid hydroxyl ethyl ester, acrylic acid hydroxy propyl ester, methacrylic acid hydroxyl propyl ester, glycidyl acrylate, N one n-methylolacrylamide.
7. a kind of novel environment friendly paper surface glazing according to claim 1 is covered with paint, lacquer, colour wash, etc. emulsion, it is characterized in that: described initator is a kind of in sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate and sodium hydrogensulfite, sodium sulfite, the sodium thiosulfate or their combination.
8. cover with paint, lacquer, colour wash, etc. emulsion to 7 each described a kind of novel environment friendly paper surface glazings according to claim 1, it is characterized in that: the particle diameter that novel environment friendly paper surface glazing is covered with paint, lacquer, colour wash, etc. emulsion is little, is 76～174nm, narrow molecular weight distribution.
9. cover with paint, lacquer, colour wash, etc. emulsions to 7 each described a kind of novel environment friendly paper surface glazings according to claim 1, it is characterized in that: novel environment friendly paper surface glazing cover with paint, lacquer, colour wash, etc. emulsion under 38%～50% concentration by weight, 25 ℃ temperature take be coated with-viscosity of 4# viscometer determining is as 20～200 ".
10. prepare each described novel environment friendly paper surface glazing of claim 1 to 7 and cover with paint, lacquer, colour wash, etc. the method for emulsion, comprise the steps:
(1) the modified natural polymer material being disperseed with deionized water, join and be equipped with in the churned mechanically reactor, start stirring, be warming up to 60～100 ℃, add modifier, is the emulsifying agent that the dispersion and emulsion effect is arranged with modifier treatment;
(2) a small amount of hard monomer, soft monomer and initator are joined in the reactor, make monomer and macromolecular material graft copolymerization form emulsification system, temperature is 60～95 ℃, 15～30 minutes time;
(3) stirring is lower drips hard monomer, soft monomer, function monomer and initator from head tank simultaneously in reactor, maintain the temperature between 60～95 ℃, drips off in 1～3 hour;
(4) start stirring, logical cold water is cooled to below 60 ℃, filters, and obtains product.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194127A (en) * | 2013-03-18 | 2013-07-10 | 福建省利得彩环保科技有限公司 | Waterborne over-printing varnish for environment-friendly paper |
| CN104844771A (en) * | 2015-04-22 | 2015-08-19 | 山东源根石油化工有限公司 | Water-proof, oil-proof and alcohol-proof emulsion and preparation method thereof |
| CN107674497A (en) * | 2017-11-10 | 2018-02-09 | 安徽同利塑胶彩印有限公司 | A kind of preparation method of food packaging water-based ink |
| CN107805330A (en) * | 2016-08-25 | 2018-03-16 | 天津市有为印刷包装有限公司 | A kind of environmentally friendly paper and preparation method thereof |
| CN108276937A (en) * | 2017-12-25 | 2018-07-13 | 深圳市山木新能源科技股份有限公司 | The preparation method and application of aqueous binders, aqueous binders |
| JP2018168508A (en) * | 2017-03-30 | 2018-11-01 | 荒川化学工業株式会社 | Surface size agent for paper making, production method of surface size agent for paper making, and surface coated paper |
| CN111558073A (en) * | 2020-04-15 | 2020-08-21 | 杭州娃哈哈科技有限公司 | Device and process for sterilizing bottle preform by atomized hydrogen peroxide |
| CN112029370A (en) * | 2020-09-16 | 2020-12-04 | 江苏正红彩印有限公司 | Water-based varnish wear-resistant coating for digital printing and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194127A (en) * | 2013-03-18 | 2013-07-10 | 福建省利得彩环保科技有限公司 | Waterborne over-printing varnish for environment-friendly paper |
| CN104844771A (en) * | 2015-04-22 | 2015-08-19 | 山东源根石油化工有限公司 | Water-proof, oil-proof and alcohol-proof emulsion and preparation method thereof |
| CN104844771B (en) * | 2015-04-22 | 2018-01-16 | 山东源根化学技术研发有限公司 | A kind of anti-alcohol emulsion of waterproof and oilproof and preparation method thereof |
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| JP2018168508A (en) * | 2017-03-30 | 2018-11-01 | 荒川化学工業株式会社 | Surface size agent for paper making, production method of surface size agent for paper making, and surface coated paper |
| CN107674497A (en) * | 2017-11-10 | 2018-02-09 | 安徽同利塑胶彩印有限公司 | A kind of preparation method of food packaging water-based ink |
| CN108276937A (en) * | 2017-12-25 | 2018-07-13 | 深圳市山木新能源科技股份有限公司 | The preparation method and application of aqueous binders, aqueous binders |
| CN111558073A (en) * | 2020-04-15 | 2020-08-21 | 杭州娃哈哈科技有限公司 | Device and process for sterilizing bottle preform by atomized hydrogen peroxide |
| CN112029370A (en) * | 2020-09-16 | 2020-12-04 | 江苏正红彩印有限公司 | Water-based varnish wear-resistant coating for digital printing and preparation method thereof |
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Application publication date: 20130130 |