CN101265398B - Environment-friendly type white emulsion glue - Google Patents
Environment-friendly type white emulsion glue Download PDFInfo
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- CN101265398B CN101265398B CN2008100250637A CN200810025063A CN101265398B CN 101265398 B CN101265398 B CN 101265398B CN 2008100250637 A CN2008100250637 A CN 2008100250637A CN 200810025063 A CN200810025063 A CN 200810025063A CN 101265398 B CN101265398 B CN 101265398B
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Abstract
The invention discloses environment-friendly white latex, which is produced by copolymerization and blending of the following raw materials in proportion by weight as follows: 800 to 900 parts of water; 30 to 50 parts of polyvinyl alcohol; monomers: 10 to 20 parts of acrylic acid, 450 to 500 parts of vinyl acetate, 20 to 40 parts of methyl acrylate, 20 to 40 parts of butyl acrylate, 350 to 450 parts of EVA emulsion, 4 to 8 parts of emulsifying agent, 30 to 45 parts of initiating agent and 40 to 50 parts of plasticizing agent; and pH adjustment agents: 30 to 50 parts of sodium acetate solution with 15 percent of weight concentration, and 40 to 60 parts of sodium bicarbonate solution with 10 percent of weight concentration. All the performance indexes of the environment-friendly white latex can achieve or exceed the common aldehyde-containing white latex; the environment-friendly white latex has good water-resistant property and heat-resistant property, and has the advantages of high bonding strength, fast drying speed, easy storage, long preserving period, no pollution, and so on, thereby can be widely used in timber processing industry, paint industry, construction material industry, printing industry, etc.
Description
Technical field:
The present invention relates to adhesive field, being specifically related to a kind of environment-friendly type does not have the aldehyde white glue with vinyl.
Background technology:
Venamul, claim white glue with vinyl again, because it is produced easily, advantage such as easy to use, be widely used in the bonding of material in the numerous areas such as wood working, adhering fabric, architectural decoration, market is boundless, and its output is only second to urea-formaldehyde resin, occupies second in the production of tackiness agent with in using.Yet, because product is polyvinyl alcohol and the condensation reaction of formaldehyde under acidic conditions of adopting in the venamul aborning mostly, so the formaldehyde that unavoidably contains hazardous substance in the product, use the back free formaldehyde to discharge, environment and human body are caused bigger harm.Enhancing along with scientific-technical progress and people's environmental consciousness has proposed requirements at the higher level to adhesive products, by copolymerization, blend, protective colloid modification obtain high-performance, pollution-free product has become inexorable trend.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of environment-friendly type white glue with vinyl, does not contain free formaldehyde and adhesive property excellence in the product.
The present invention is achieved through the following technical solutions:
A kind of environment-friendly type white glue with vinyl, it is characterized in that making: water 800-900 by following raw materials in weight portion (the employing polyvinyl alcohol is a protective colloid) copolymerizing and blending, polyvinyl alcohol 30-50, monomer: vinylformic acid 10-20, vinyl acetate between to for plastic 450-500, methyl acrylate 20-40, butyl acrylate 20-40, EVA emulsion 350-450, emulsifying agent 4-8, initiator 30-45, softening agent 40-50, the PH conditioning agent: weight concentration is 15% sodium acetate soln 30-50, and heavy dense amount concentration is 10% sodium hydrogen carbonate solution 40-60;
Copolymerizing and blending comprises the following steps:
(a) water is added reactor, be warming up to 28-32 ℃, under whipped state, add polyvinyl alcohol, be warming up to 95-98 ℃ then, and under this temperature, be incubated 1 hour;
(b) material with step (a) is cooled to 78-82 ℃, adds emulsifying agent, and then add sodium acetate soln, sodium hydrogen carbonate solution respectively is 1/2 of a total amount, stirred 25-35 minute;
(c) in the material of step (b), add 1/12 of initiator total amount again at 73-78 ℃, in 50-70 minute, drip 1/5 of monomer total amount then, reacted 30 minutes, add 1/9 of initiator total amount again, dripped residual monomer then at 3-4 hour, during dripping residual monomer, added 1/14 of initiator total amount in per 30 minutes, drip off back insulation 80-100 minute;
(d) step (c) material is cooled to 65-75 ℃, adds softening agent, be cooled to 55-65 ℃ and add the EVA emulsion, be cooled to 45-55 ℃ again and add residue sodium-acetate, sodium bicarbonate, continue to be cooled to below 40 ℃ and can pack.
Described emulsifying agent is one or both mixing of OP-10, sodium lauryl sulphate.
Described initiator is a kind of, two or three mixing of 6% ammonium persulphate, Potassium Persulphate or Sodium Persulfate solution.
Described softening agent is a kind of, two kinds, three kinds or four kinds of mixing of dimethyl phthalate, diethyl phthalate, dibutyl phthalate or dioctyl phthalate (DOP).
Described polyvinyl alcohol is a kind of, two kinds three kinds or four kinds of mixing of polyvinyl alcohol 20-88,20-99,17-88,17-99 type.
Performance index of the present invention:
Solid content 40% ± 2%, cohesive strength 25-30mpa, boiling water boil and did not come unglued in 3 hours.
The every performance index of the present invention all meet or exceed the common aldehyde that contains from latex, water tolerance, resistance toheat are superior, have that cohesive strength height, rate of drying are fast, easily storage, long quality-guarantee period, characteristics such as pollution-free, can be widely used in industries such as wood working, coating, building materials, printing.
Embodiment:
Fetch water 832 parts, 40 parts of polyvinyl alcohol (20-88), 16 parts in vinylformic acid, 480 parts of vinyl acetate between to for plastics, 30 parts of methyl acrylates, 30 parts of butyl acrylates (monomer adds up to 556), 400 parts of EVA emulsions, emulsifying agent: 2 parts of OP-104 part (octyl phenol polyoxy one alkene ether), sodium lauryl sulphate, initiator: weight concentration is 36 parts of 6% ammonium persulphates, softening agent: 44 parts of phthalic acid diformazan butyl esters, the PH conditioning agent: weight concentration is 40 parts of 15% sodium acetate solns, heavy dense amount concentration is 50 parts of 10% sodium hydrogen carbonate solutions;
Copolymerizing and blending comprises the following steps:
(a) 832 parts of water are added reactor, be warming up to 30 ℃, under whipped state, add 40 parts of polyvinyl alcohol, be warming up to 95-98 ℃ then, and under this temperature, be incubated 1 hour;
(b) material with step (a) is cooled to 78-82 ℃, adds emulsifying agent, and then to add 20 parts of sodium acetate solns, sodium hydrogen carbonate solution respectively be 25 parts of total amount, stirs 30 minutes;
(c) in the material of step (b), add 3 parts of ammonium persulphates again at 74-76 ℃, in 60 minutes, drip 110 parts in vinylformic acid, vinyl acetate between to for plastic, methyl acrylate, butyl acrylate mix monomer then, reacted 30 minutes, add 2.5 parts of ammonium persulphates again, dripped 446 parts of residue mix monomers then at 3-4 hour, during dripping residual monomer, the adding ammonium persulphate was 2.5 parts in per 30 minutes, drip off back insulation 90 minutes, it is fully reacted;
(d) step (c) material is cooled to 70 ℃, add 44 parts of dibutyl phthalates, be cooled to 60 ℃ and add 400 parts of EVA (ethane-acetic acid ethyenyl ester) emulsions, be cooled to 50 ℃ again and add residue sodium-acetate, sodium hydrogen carbonate solution, continue to be cooled to below 40 ℃ and can pack.
The umber of raw material described in the present specification is weight part.
Claims (5)
1. an environment-friendly type white glue with vinyl is characterized in that copolymerizing and blending makes by following raw materials in weight portion: water 800-900, polyvinyl alcohol 30-50, monomer: vinylformic acid 10-20, vinyl acetate between to for plastic 450-500, methyl acrylate 20-40, butyl acrylate 20-40, EVA emulsion 350-450, emulsifying agent 4-8, initiator 30-45, softening agent 40-50, the PH conditioning agent: weight concentration is 15% sodium acetate soln 30-50, weight concentration is 10% sodium hydrogen carbonate solution 40-60;
Copolymerizing and blending comprises the following steps:
(a) water is added reactor, be warming up to 28-32 ℃, under whipped state, add polyvinyl alcohol, be warming up to 95-98 ℃ then, and under this temperature, be incubated 1 hour;
(b) material with step (a) is cooled to 78-82 ℃, adds emulsifying agent, and then add sodium acetate soln, sodium hydrogen carbonate solution respectively is 1/2 of a total amount, stirred 25-35 minute;
(c) in the material of step (b), add 1/12 of initiator total amount again at 73-78 ℃, in 50-70 minute, drip 1/5 of monomer total amount then, reacted 30 minutes, add 1/9 of initiator total amount again, dripped residual monomer then at 3-4 hour, during dripping residual monomer, added 1/14 of initiator total amount in per 30 minutes, drip off back insulation 80-100 minute;
(d) step (c) material is cooled to 65-75 ℃, adds softening agent, be cooled to 55-65 ℃ and add the EVA emulsion, be cooled to 45-55 ℃ again and add residue sodium-acetate, sodium bicarbonate, continue to be cooled to below 40 ℃ and can pack.
2. a kind of environment-friendly type white glue with vinyl as claimed in claim 1 is characterized in that: described emulsifying agent is one or both mixing of OP-10, sodium lauryl sulphate.
3. a kind of environment-friendly type white glue with vinyl as claimed in claim 1 is characterized in that: initiator is a kind of, two or three mixing of weight concentration 6% ammonium persulphate, Potassium Persulphate or Sodium Persulfate solution.
4. a kind of environment-friendly type white glue with vinyl as claimed in claim 1 is characterized in that: softening agent is a kind of, two kinds, three kinds or four kinds of mixing of dimethyl phthalate, diethyl phthalate, dibutyl phthalate or dioctyl phthalate (DOP).
5. a kind of environment-friendly type white glue with vinyl as claimed in claim 1 is characterized in that: polyvinyl alcohol is a kind of, two kinds, three kinds or four kinds of mixing of polyvinyl alcohol 20-88,20-99,17-88,17-99 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100250637A CN101265398B (en) | 2008-04-28 | 2008-04-28 | Environment-friendly type white emulsion glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100250637A CN101265398B (en) | 2008-04-28 | 2008-04-28 | Environment-friendly type white emulsion glue |
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| Publication Number | Publication Date |
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| CN101265398A CN101265398A (en) | 2008-09-17 |
| CN101265398B true CN101265398B (en) | 2010-06-02 |
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| CN2008100250637A Expired - Fee Related CN101265398B (en) | 2008-04-28 | 2008-04-28 | Environment-friendly type white emulsion glue |
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Families Citing this family (18)
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| CN101906278A (en) * | 2010-08-12 | 2010-12-08 | 华南理工大学 | Single-component polyvinylacetate binding agent and preparation method thereof |
| CN102485820A (en) * | 2010-12-06 | 2012-06-06 | 圣象实业（江苏）有限公司 | White emulsion with environmental protection and high viscosity and its preparation method |
| CN104673147A (en) * | 2015-01-28 | 2015-06-03 | 海安县紫石涂料有限公司 | Strong water-resistant white emulsion and preparation method thereof |
| CN104650746A (en) * | 2015-01-28 | 2015-05-27 | 海安县紫石涂料有限公司 | Preparation method of binder |
| CN104629633A (en) * | 2015-01-28 | 2015-05-20 | 海安县紫石涂料有限公司 | Water-resistant white latex |
| CN104650762B (en) * | 2015-01-28 | 2017-04-26 | 海安县中丽化工材料有限公司 | Waxy corn starch additive composition, and glue and application thereof |
| CN104628960A (en) * | 2015-01-28 | 2015-05-20 | 海安县中丽化工材料有限公司 | Preparation method of white latex |
| CN104650295B (en) * | 2015-01-28 | 2017-04-26 | 南通市鸿瑞化工有限公司 | Preparation method of high-strength glue |
| CN104610880A (en) * | 2015-01-28 | 2015-05-13 | 南通市鸿瑞化工有限公司 | Composition for reinforcing binding power and use thereof |
| CN104673148A (en) * | 2015-01-28 | 2015-06-03 | 南通市鸿瑞化工有限公司 | Environmental-friendly adhesive and preparation method thereof |
| CN104726042B (en) * | 2015-01-28 | 2016-09-07 | 南通市鸿瑞化工有限公司 | High-strength glue |
| CN104672391B (en) * | 2015-01-28 | 2017-10-03 | 海安县紫石涂料有限公司 | The preparation method of water-resistant white latex |
| CN104650747A (en) * | 2015-01-28 | 2015-05-27 | 海安县中丽化工材料有限公司 | Preparation method of adhesive for wood window |
| CN105111974A (en) * | 2015-09-08 | 2015-12-02 | 武汉工程大学 | Preparation method of environment-friendly cigarette adhesive |
| CN105419682A (en) * | 2015-12-01 | 2016-03-23 | 赵雅珺 | Adhesive used for sticking label |
| CN108203571A (en) * | 2018-01-02 | 2018-06-26 | 何倩 | A kind of environment-friendly type milky white adhesive and preparation method thereof |
| CN110028906A (en) * | 2019-04-10 | 2019-07-19 | 广东粤辉科技股份有限公司 | A kind of high tensile, polyester film glue resistant to high temperature and preparation method thereof |
| CN110055015B (en) * | 2019-04-28 | 2021-11-26 | 广东嘉宝莉科技材料有限公司 | Polyvinyl acetate emulsion and preparation method thereof |
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| CN101265398A (en) | 2008-09-17 |
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Owner name: JIANGSU DEHUA TUBAOBAO DECORATION NEW MATERIAL CO. Free format text: FORMER OWNER: ZHAO XUEKAI Effective date: 20091127 |
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Effective date of registration: 20091127 Address after: No. 1, South District, Siyang Industrial Park, Jiangsu, Suqian Province, China: 223723 Applicant after: Dehua TB New Decoration Material Co., Ltd. Address before: No. 1, South District, Siyang Industrial Park, Jiangsu, Suqian Province, China: 223723 Applicant before: Zhao Xuekai |
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