CN102786625A - Acrylate resin emulsion for water-based paint and its preparing method - Google Patents
Acrylate resin emulsion for water-based paint and its preparing method Download PDFInfo
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- CN102786625A CN102786625A CN2012102575358A CN201210257535A CN102786625A CN 102786625 A CN102786625 A CN 102786625A CN 2012102575358 A CN2012102575358 A CN 2012102575358A CN 201210257535 A CN201210257535 A CN 201210257535A CN 102786625 A CN102786625 A CN 102786625A
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- ammonium persulfate
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Abstract
The invention relates to an acrylate resin emulsion for a water-based paint and its preparation method. The invention is characterized in that the acrylate resin emulsion for the water-based paint mainly comprises deionized water, methacrylic acid, butyl acrylate, methyl methacrylate, nonionic emulsifier, anionic emulsifier, monohydroxylethyl phosphate, N,N-dimethyl ethanolamine, a 10% ammonium persulfate aqueous solution, etc. A coating prepared from the acrylate resin emulsion for the water-based paint has the characteristics of high glossiness, strong adhesion, excellent overcoatability, water resistance and alkali resistance and good leveling performance and brushability, etc.
Description
Technical field
The present invention relates to a kind of Emulsion acrylic resin that is used for water-borne coatings and preparation method thereof, belong to chemistry painting industry protection field.
Background technology
It has good use characteristics, mechanical property and physicals acrylic resin paint, uses very extensively.But present most acrylic resin paint is a solvent based coating, is mostly the heavy-gravity liquid or solid, and is water insoluble; And be dissolved in organic solvents such as aromatic hydrocarbons, ketone, and organic solvent is volatile and inflammable and explosive, poisonous; Environment and human body are caused very big harm; Along with people's is urgent day by day and strict to requirement on environmental protection, uses the requirement of water-borne coatings to grow to even greater heights, and the acrylic resin paint Water-borne modification is just used and given birth to.
So-called aqueous epoxy resins is the method through physics or chemistry, and it is the stable dispersion of preparing in the dispersion medium of external phase that epoxy resin is dispersed in water with the form of particulate or drop.Can be divided into water-latex type system and water-soluble type system by physical property.Wherein, be parent with epoxy resin, radical causes methylacrylic acid, Ethyl acrylate, Butyl acrylate and vinylbenzene, graft copolymerization.Add the ammoniacal liquor salify then, make aqueous epoxy coating.This coating can not self-vulcanizing; Water-latex type system typical method is to be emulsifying agent with its aggressiveness of the polynary block of polyoxyethylene glycol-Tetra hydro Phthalic anhydride-epoxy resin; Epoxy resin is scattered in water and forms translucent to milky emulsion system with the mode of drop; The drop surface is the emulsifying agent molecule drop of possess hydrophilic property gene; Inside is hydrophobic epoxy resin molecule, though this system technology is simple, stability of emulsion is poor; Also handlebar epoxy resin is dissolved in butyl glycol ether and the alcohol mixed solvent, reacts with benzaminic acid, and product neutralizes with thanomin, add water and process emulsion, and this film can not be in self-vulcanizing, application is restricted.
Summary of the invention
In order to solve the technical problem of above-mentioned existence; The objective of the invention is to provide a kind of Emulsion acrylic resin that is used for water-borne coatings and preparation method thereof; The Emulsion acrylic resin that it is characterized in that this water-borne coatings is mainly by deionized water, methylacrylic acid, Bing Xisuandingzhi, TEB 3K, nonionic emulsifier, anionic emulsifier, single hydroxyl acetophos hydrochlorate, N, compositions such as N-dimethylethanolamine, the 10% Ammonium Persulfate 98.5 aqueous solution.
By being: deionized water 450～500 with weight part; Methylacrylic acid 5～14; Bing Xisuandingzhi 450～500; TEB 3K 500～550; Non-ionic type emulsion 30～40; Anionic emulsifier 5～10; Single hydroxyl acetophos hydrochlorate 2～7; N, N-dimethylethanolamine 1～3; The 10% Ammonium Persulfate 98.5 aqueous solution 15～25 is formed.
Described a kind of Emulsion acrylic resin that is used for water-borne coatings, its nonionic emulsifier are the nonylphenol with 100 oxygen ethylene chain links; Its anionic emulsion is for being with 5 oxygen ethylene chain link nonylphenol phosphoric acid salt.
Described a kind of Emulsion acrylic resin that is used for water-borne coatings, its preparation method is:
(1) said components is mixed preparatory emulsification.
(2) in the reaction kettle that whisking appliance, rinser, temperature regulator and reflux exchanger are housed, add deionized water and be heated to 80 ℃, add the 10% Ammonium Persulfate 98.5 aqueous solution then; The pre-emulsion that adds above-mentioned preparation immediately at the appointed time; Temperature of reaction remains on about 80 ℃, then whole system is reacted 1h again under 85 ℃, and the dispersion liquid that makes is cooled to 25 ℃; Leach through filter screen, make the oyster white dispersion liquid of solids constituent 56% weight.
The practical implementation method
(1) by weight taking by weighing deionized water 490; Methylacrylic acid 12; Bing Xisuandingzhi 480; TEB 3K 510; Non-ionic type emulsion 37; Anionic emulsifier 8; Single hydroxyl acetophos hydrochlorate 5; N, N-dimethylethanolamine 2, subsequent use.
(2) said components is mixed preparatory emulsification.
(3) in the reaction kettle that whisking appliance, rinser, temperature regulator and reflux exchanger are housed, add deionized water and be heated to 80 ℃, add 19 part of 10% Ammonium Persulfate 98.5 aqueous solution then; The pre-emulsion that in 3.5 hours, adds above-mentioned preparation immediately; Temperature of reaction remains on about 80 ℃, then whole system is reacted 1h again under 85 ℃, and the dispersion liquid that makes is cooled to 25 ℃; Filtered through gauze filter screen through 50～60 μ m leaches, and makes the oyster white dispersion liquid of solids constituent 56% weight.
Claims (4)
1. one kind is used for Emulsion acrylic resin of water-borne coatings and preparation method thereof.The Emulsion acrylic resin that it is characterized in that this water-borne coatings is mainly by deionized water, methylacrylic acid, Bing Xisuandingzhi, TEB 3K, nonionic emulsifier, anionic emulsifier, single hydroxyl acetophos hydrochlorate, N, compositions such as N-dimethylethanolamine, the 10% Ammonium Persulfate 98.5 aqueous solution.
2. according to right 1 described a kind of Emulsion acrylic resin that is used for water-borne coatings.By being: deionized water 450～500 with weight part; Methylacrylic acid 5～14; Bing Xisuandingzhi 450～500; TEB 3K 500～550; Non-ionic type emulsion 30～40; Anionic emulsifier 5～10; Single hydroxyl acetophos hydrochlorate 2～7; N, N-dimethylethanolamine 1～3; The 10% Ammonium Persulfate 98.5 aqueous solution 15～25 is formed.
3. according to right 1,2 described a kind of Emulsion acrylic resins that are used for water-borne coatings, its nonionic emulsifier is the nonylphenol with 100 oxygen ethylene chain links; Its anionic emulsion is for being with 5 oxygen ethylene chain link nonylphenol phosphoric acid salt.
4. according to right 1,2,3 described a kind of Emulsion acrylic resins that are used for water-borne coatings, its preparation method is:
(1) said components is mixed preparatory emulsification.
(2) in the reaction kettle that whisking appliance, rinser, temperature regulator and reflux exchanger are housed; Add deionized water and be heated to 80 ℃; Add the 10% Ammonium Persulfate 98.5 aqueous solution then, add the pre-emulsion of above-mentioned preparation immediately at the appointed time, temperature of reaction remains on about 80 ℃; Then whole system is reacted 1h again under 85 ℃, with the dispersion liquid cooling that makes
To 25 ℃, leach through filter screen, make the oyster white dispersion liquid of solids constituent 56% weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102575358A CN102786625A (en) | 2012-07-23 | 2012-07-23 | Acrylate resin emulsion for water-based paint and its preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102575358A CN102786625A (en) | 2012-07-23 | 2012-07-23 | Acrylate resin emulsion for water-based paint and its preparing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102786625A true CN102786625A (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102575358A Pending CN102786625A (en) | 2012-07-23 | 2012-07-23 | Acrylate resin emulsion for water-based paint and its preparing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360540A (en) * | 2013-06-27 | 2013-10-23 | 中科院广州化学有限公司 | Organosilicone modified fluorine-containing (methyl) acrylic resin with long side chain |
-
2012
- 2012-07-23 CN CN2012102575358A patent/CN102786625A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360540A (en) * | 2013-06-27 | 2013-10-23 | 中科院广州化学有限公司 | Organosilicone modified fluorine-containing (methyl) acrylic resin with long side chain |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |