POSS modified styrene-acrylic emulsion copolymer, preparation method and application

A technology of styrene-acrylic emulsion and copolymer, applied in the direction of coating, etc., can solve the problems of pollution, not suitable for large-scale production, and the existence of solvent environment, etc., and achieve the effect of simple polymerization method, high production efficiency and strong self-cleaning property
CN107488244AActive Publication Date: 2017-12-19ANHUI UNIVERSITY OF ARCHITECTURE
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ANHUI UNIVERSITY OF ARCHITECTURE
Publication Date
2017-12-19

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Abstract

The invention discloses a POSS modified styrene-acrylic emulsion copolymer, a preparation method and application. The copolymer comprises the following components in parts by weight: 40 to 60 parts of deionized water, 15 to 20 parts of styrene, 15 to 20 parts of butyl acrylate, 3 to 5 parts of an emulsifying agent, 2 to 7 parts of POSS, 1 to 2 parts of a water-soluble initiator, 0.1 to 0.3 part of a pH value conditioning agent and 3 to 5 parts of other auxiliaries. As an exterior wall coating material, the POSS modified styrene-acrylic emulsion obtained in the invention has the advantages of low surface tension, high pollution resistance and high self-cleaning performance. In the copolymer, an Si-O-Si bond can be formed by POSS and the wall, so that the adhesive force of the styrene-acrylic emulsion as the exterior wall coating is improved.
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Description

technical field

[0001] The invention relates to a building material exterior wall coating and a preparation method thereof, in particular to a POSS modified styrene-acrylic emulsion copolymer, a preparation method and an application thereof. Background technique

[0002] Styrene-acrylic emulsion is mainly an emulsion obtained by emulsion polymerization of styrene and propionate. It has the properties of low cost and low water absorption. The introduction of acrylate improves its impact performance and improves the toughness of the copolymer. At the same time, it has good adhesion, chemical resistance, high gloss, and certain anti-fouling ability, and is widely used in the fields of building exterior wall coatings and other fields. Used as exterior wall paint, with the aggravation of environmental pollution, the increase of particles in the air, the adhesion of particles to the exterior wall paint of buildings makes the surface of the building unsightly, and the surface of th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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