CN101638452A - High-solid content pure acrylate elastic emulsion - Google Patents
High-solid content pure acrylate elastic emulsion Download PDFInfo
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- CN101638452A CN101638452A CN200910041726A CN200910041726A CN101638452A CN 101638452 A CN101638452 A CN 101638452A CN 200910041726 A CN200910041726 A CN 200910041726A CN 200910041726 A CN200910041726 A CN 200910041726A CN 101638452 A CN101638452 A CN 101638452A
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- methyl methacrylate
- butyl acrylate
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Abstract
A high-solid content pure acrylate elastic emulsion used for preparing coatings for the outer walls of buildings is prepared by adopting a core-shell emulsion polymerization method. The formula of theelastic emulsion consist of the following components: 4-13% of methyl methacrylate, 7-24% of butyl acrylate, 7.5-15% of acrylonitrile, 1-5% of allyl methacrylate, 6-17% of shell monomer: methyl methacrylate, 12-24% of butyl acrylate, 7.5-15% of acrylonitrile, 1-3% of methacrylic acid, 1-5% of emulsifier, 1-3% of persulfate and 35% of water. Compared with the prior art, the prepared coatings for the outer walls have the advantages of strong water resistance and contamination resistance, good elasticity, less cracked shape of coating films, saved painting manpower and the like.
Description
Technical field
The present invention relates to building coating, relate in particular to the polymer emulsion in the exterior coating.
Background technology
Acrylic ester emulsion now just is being widely used in the exterior coating of top-grade building thing owing to excellent fast light, weather-proof and corrosion resistance nature and lower-price characteristic that it had.But current acrylate paint for external wall is usually because its coating thickness reaches the low temperature brittleness of emulsion polymer inadequately, the buildings of brushing is after after a while, and spider reticulation be full of cracks or the crackle of filming occurs along with the small cracking of the husky ash of body of wall cement in varying degrees all occurs filming.In order to overcome the above-mentioned shortcoming of acrylate paint for external wall, the Chinese invention patent application number is 98111639.6 to disclose a kind of name and be called " elastic pure acrylic acid emulsion " technology.This technology is to utilize multiple alkene class functional monomer that emulsion polymer is carried out modification, makes the water tolerance of emulsion polymer and binding property and all is improved to some extent with the compatibleness of cement.But the elasticity and the low temperature flexibility of dry film are not enough, still can not solve the be full of cracks problem of filming fully.
Summary of the invention
Goal of the invention of the present invention is in order to overcome the deficiencies in the prior art part, a kind of high solids content pure acrylate elastic emulsion to be provided.Exterior coating water tolerance with the preparation of this emulsion is strong, good springiness, the dry film polygon is few and it is artificial to reduce brushing.
Goal of the invention of the present invention is to realize like this; High-solid content pure acrylate elastic emulsion adopts the core-shell emulsion polymerization method to produce.Each composition accounts for hundred parts of ratios of weight of emulsion total amount and is in the emulsion formulations:
Nuclear monomer:
Methyl methacrylate 4-13%
Butyl acrylate 7-24%
Vinyl cyanide 7.5-15%
Allyl methacrylate(AMA) 1-5%
Shell monomer:
Methyl methacrylate 6-17%
Butyl acrylate 12-24%
Vinyl cyanide 7.5-15%
Methacrylic acid 1-3%
Emulsifying agent 1-5%
Persulphate 1-3%
Water 35%
Described emulsifying agent is one or both the mixture in allyl polyethenoxy ether ammonium sulfate, the allyl polyethenoxy ether.
Described persulphate is one or more the mixture in ammonium persulphate, Potassium Persulphate and the Sodium Persulfate.
Design feature of the present invention:
1, adopt the core-shell emulsion polymerization method to produce.Emulsion particle diameter is controlled at 0.2-0.3 μ m, and nucleocapsid structure is soft nuclear duricrust.Soft endorsing makes emulsion have elasticity preferably, and duricrust can improve unit elongation, intensity and the contamination resistance of emulsion.Select the monomer of vinyl cyanide good toughness, the monomer that butyl acrylate is softer prepares soft nuclear; Hard monomers such as selection methyl methacrylate prepare duricrust.
2, the second-order transition temperature Tg with polymkeric substance designs at-20 ℃.
3, select reactive emulsifiers such as allyl polyethenoxy ether ammonium sulfate and allyl polyethenoxy ether to improve the paint film water tolerance.Reactive emulsifier is bonded to the emulsion polymer surface with covalent, has avoided emulsifying agent to move in latex film, has significantly reduced the hydrophilic radical on latex film surface, thereby can improve the stability of emulsion and the water tolerance and the mechanical property of improvement latex film.
4, select AMA (allyl methacrylate(AMA)) high-density cross-linking monomer for use, stable nucleus shell structure, enhancing nucleocapsid physicals.
5, emulsion solid content reaches 65%.
Utilize exterior coating that the present invention prepares compared with prior art, have water tolerance and contamination resistance is strong, good springiness, the polygon of filming is few and reduce advantages such as brushing is artificial.
Embodiment
The prescription that further specifies the embodiment of the invention is below formed.
Embodiment 1:
Nuclear monomer: methyl methacrylate 4% (weight percent, down together), butyl acrylate 15.5%, vinyl cyanide 15%, allyl methacrylate(AMA) 1%; Shell monomer: methyl methacrylate 6%, butyl acrylate 13%, vinyl cyanide 7.5%, methacrylic acid 1%, allyl polyethenoxy ether ammonium sulfate 1%, ammonium persulphate 1%, water 35%.
Embodiment 2:
Nuclear monomer: methyl methacrylate 13% (weight percent, down together), butyl acrylate 7%, vinyl cyanide 7.5%, allyl methacrylate(AMA) 2%; Shell monomer: methyl methacrylate 7%, butyl acrylate 14%, vinyl cyanide 8%, methacrylic acid 3%, allyl polyethenoxy ether 1.5%, ammonium persulphate 1%, Potassium Persulphate 1%, water 35%.
Embodiment 3:
Nuclear monomer: methyl methacrylate 4% (weight percent, down together), butyl acrylate 24%, vinyl cyanide 7.5%, allyl methacrylate(AMA) 1%; Shell monomer: methyl methacrylate 6%, butyl acrylate 12%, vinyl cyanide 7.5%, methacrylic acid 1%, allyl polyethenoxy ether 1%, Potassium Persulphate 1%, water 35%.
Embodiment 4:
Nuclear monomer: methyl methacrylate 5% (weight percent, down together), butyl acrylate 8%, vinyl cyanide 8%, allyl methacrylate(AMA) 5%; Shell monomer: methyl methacrylate 7%, butyl acrylate 12%, vinyl cyanide 15%, methacrylic acid 2%, allyl polyethenoxy ether ammonium sulfate 1%, allyl polyethenoxy ether 1%, Sodium Persulfate 1%, water 35%.
Embodiment 5:
Nuclear monomer: methyl methacrylate 4% (weight percent, down together), butyl acrylate 7%, vinyl cyanide 9%, allyl methacrylate(AMA) 3%; Shell monomer: methyl methacrylate 17%, butyl acrylate 12%, vinyl cyanide 8%, methacrylic acid 1%, allyl polyethenoxy ether ammonium sulfate 1%, ammonium persulphate 1%, Potassium Persulphate 1%, Sodium Persulfate 1%, water 35%.
Embodiment 6:
Nuclear monomer: methyl methacrylate 4% (weight percent, down together), butyl acrylate 7.5%, vinyl cyanide 7.5%, allyl methacrylate(AMA) 1%; Shell monomer: methyl methacrylate 6%, butyl acrylate 24%, vinyl cyanide 8%, methacrylic acid 1%, allyl polyethenoxy ether ammonium sulfate 2%, allyl polyethenoxy ether 3%, Sodium Persulfate 1%, water 35%.
Claims (3)
1, a kind of high-solid content pure acrylate elastic emulsion is characterized in that hundred parts of ratios of weight that each composition in the emulsion formulations accounts for the emulsion total amount are:
Nuclear monomer:
Methyl methacrylate 4-13%
Butyl acrylate 7-24%
Vinyl cyanide 7.5-15%
Allyl methacrylate(AMA) 1-5%
Shell monomer:
Methyl methacrylate 6-17%
Butyl acrylate 12-24%
Vinyl cyanide 7.5-15%
Methacrylic acid 1-3%
Emulsifying agent 1-5%
Persulphate 1-3%
Water 35%
2, high-solid content pure acrylate elastic emulsion according to claim 1 is characterized in that described emulsifying agent is one or both the mixture in allyl polyethenoxy ether ammonium sulfate, the allyl polyethenoxy ether.
3, high-solid content pure acrylate elastic emulsion according to claim 1 is characterized in that described persulphate is one or more the mixture in ammonium persulphate, Potassium Persulphate and the Sodium Persulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100417269A CN101638452B (en) | 2009-08-10 | 2009-08-10 | High solid content pure acrylic elastic emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100417269A CN101638452B (en) | 2009-08-10 | 2009-08-10 | High solid content pure acrylic elastic emulsion |
Publications (2)
| Publication Number | Publication Date |
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| CN101638452A true CN101638452A (en) | 2010-02-03 |
| CN101638452B CN101638452B (en) | 2012-05-16 |
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| CN2009100417269A Active CN101638452B (en) | 2009-08-10 | 2009-08-10 | High solid content pure acrylic elastic emulsion |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805551A (en) * | 2010-03-30 | 2010-08-18 | 四川大学 | Single-component water-based UV protection coating material for polyvinyl chloride and preparation method thereof |
| CN102140149A (en) * | 2010-12-30 | 2011-08-03 | 长兴化学工业(中国)有限公司 | Aqueous emulsion composition, and emulsion resin prepared by using same and use thereof |
| CN104650296A (en) * | 2013-11-20 | 2015-05-27 | 中国石油化工股份有限公司 | Modified polyacrylate emulsion, preparation method and application thereof |
| CN105254798A (en) * | 2015-10-17 | 2016-01-20 | 佛山市顺德区巴德富实业有限公司 | Inner-wall stain-resistant pure acrylic emulsion |
| CN106279513A (en) * | 2016-08-05 | 2017-01-04 | 江苏紫石化工科技有限公司 | A kind of strong adhesive force elastic emulsion and preparation method thereof |
| CN106967194A (en) * | 2017-04-20 | 2017-07-21 | 上海东升新材料有限公司 | A kind of wallpaper styrene-acrylic latex |
| CN108070051A (en) * | 2017-11-24 | 2018-05-25 | 鹤山市信兴化工有限公司 | The acrylic emulsion of low VOC content and the building coating being made from it |
| CN109796554A (en) * | 2019-01-18 | 2019-05-24 | 佛山市顺德区巴德富实业有限公司 | A kind of elastic emulsion and preparation method thereof for zero titanium system |
| CN115521680A (en) * | 2022-09-28 | 2022-12-27 | 广州立邦涂料有限公司 | Scratch-resistant stain-resistant texture paint and preparation method and application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208359C (en) * | 2002-11-26 | 2005-06-29 | 北京服装学院 | Modified polyacrylate microemulsion, synthesis mehtod and use thereof |
| CN101219785B (en) * | 2008-01-23 | 2010-09-08 | 上海应用技术学院 | Method for preparing hollow carbon nanospheres using polymethyl methacrylate/polyacrylonitrile core-shell polymer as precursor |
-
2009
- 2009-08-10 CN CN2009100417269A patent/CN101638452B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805551A (en) * | 2010-03-30 | 2010-08-18 | 四川大学 | Single-component water-based UV protection coating material for polyvinyl chloride and preparation method thereof |
| CN102140149A (en) * | 2010-12-30 | 2011-08-03 | 长兴化学工业(中国)有限公司 | Aqueous emulsion composition, and emulsion resin prepared by using same and use thereof |
| CN102140149B (en) * | 2010-12-30 | 2013-03-06 | 长兴化学工业(中国)有限公司 | Aqueous emulsion composition, and emulsion resin prepared by using same and use thereof |
| CN104650296B (en) * | 2013-11-20 | 2017-10-03 | 中国石油化工股份有限公司 | Modified polyacrylate emulsion and its preparation method and application |
| CN104650296A (en) * | 2013-11-20 | 2015-05-27 | 中国石油化工股份有限公司 | Modified polyacrylate emulsion, preparation method and application thereof |
| CN105254798A (en) * | 2015-10-17 | 2016-01-20 | 佛山市顺德区巴德富实业有限公司 | Inner-wall stain-resistant pure acrylic emulsion |
| CN106279513A (en) * | 2016-08-05 | 2017-01-04 | 江苏紫石化工科技有限公司 | A kind of strong adhesive force elastic emulsion and preparation method thereof |
| CN106967194A (en) * | 2017-04-20 | 2017-07-21 | 上海东升新材料有限公司 | A kind of wallpaper styrene-acrylic latex |
| CN108070051A (en) * | 2017-11-24 | 2018-05-25 | 鹤山市信兴化工有限公司 | The acrylic emulsion of low VOC content and the building coating being made from it |
| CN109796554A (en) * | 2019-01-18 | 2019-05-24 | 佛山市顺德区巴德富实业有限公司 | A kind of elastic emulsion and preparation method thereof for zero titanium system |
| CN109796554B (en) * | 2019-01-18 | 2021-04-06 | 广东巴德富新材料有限公司 | Elastic emulsion for zero-titanium system and preparation method thereof |
| CN115521680A (en) * | 2022-09-28 | 2022-12-27 | 广州立邦涂料有限公司 | Scratch-resistant stain-resistant texture paint and preparation method and application thereof |
| CN115521680B (en) * | 2022-09-28 | 2023-11-28 | 广州立邦涂料有限公司 | Scratch-resistant and stain-resistant texture paint and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101638452B (en) | 2012-05-16 |
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