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Surface control agent and preparation method thereof

A technology of surface control agent and round-bottomed flask, applied in coating, epoxy resin coating and other directions, can solve the problem of uneven coating surface, and achieve the effect of improving flatness, reducing surface tension difference and reducing friction coefficient

Active Publication Date: 2017-06-13
CHONGQING UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a surface control agent and its preparation method to solve the problem of uneven coating surface

Method used

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  • Surface control agent and preparation method thereof
  • Surface control agent and preparation method thereof
  • Surface control agent and preparation method thereof

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Embodiment Construction

[0017] Exemplary embodiments will be described in detail here, and the implementations described in the following exemplary embodiments do not represent all implementations consistent with the present invention. Rather, they are only examples of methods consistent with some aspects of the invention as detailed in the appended claims.

[0018] The embodiment of the present invention discloses a surface control agent, the surface control agent is hexafluorobutyl acrylate, lauryl acrylate and CH 2 =CH-COO-(CH 2 ) 3 -[-Si(CH 3 ) 2 -O-] 15 -CH 3 Three monomers are used as polymerization units. According to the catalyst regeneration controllable polymerization mechanism, the fluorine-containing acrylate block copolymer containing silicone is obtained by copolymerization, and its structural formula is:

[0019]

[0020] Wherein, x, y, and z are all integers greater than or equal to 1.

[0021] The embodiment of the present invention also provides a method for preparing a surface control age...

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PUM

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Abstract

The invention discloses a surface control agent and a preparation method thereof; the surface control agent is a fluorinated acrylate block copolymer containing organosilicone and has the structural formula described in the specification, wherein x, y and z are integers more than or equal to 1. The surface control agent can significantly reduce the surface tension difference between a liquid phase and a solid phase, and is in favor of reduction of the friction coefficient of a substrate, improvement of the flatness of a coating layer, enhancement of the wettability of the coating layer, and prevention of formation of hole shrinkage, pinholes and orange peel. The coating layer coated by a coating having addition of the surface control agent has high surface glossiness and good flatness.

Description

Technical field [0001] The invention relates to the field of polymer preparation, in particular to a surface control agent and a preparation method thereof. Background technique [0002] After the coating is applied to the wall and other substrates, a solid continuous film will be obtained, which is called coating. Generally, the surface of the coating is difficult to be completely smooth. In order to achieve the purpose of smoothing and leveling the coating surface and wetting the substrate, there are many products on the market, such as organically modified polysiloxane, fluorocarbon and Waxes, etc., but they have incompatibility problems with the liquid phase system of general coatings, causing problems such as shrinkage, turbidity, gloss loss, migration and exudation in the coating. [0003] In the prior art, poly(meth)acrylates and / or polysiloxanes are generally used as surface control agents for coatings. For poly(meth)acrylates, related compounds usually include ethyl acry...

Claims

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Application Information

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IPC IPC(8): C09D7/12C08F293/00C09D163/00
CPCC08F293/005C08K2201/014C08L2205/03C09D7/65C09D163/00C08L91/06C08L53/00C08K13/02C08K2003/2241C08K3/346C08K3/36C08K3/04
Inventor 何家洪赵贤淑
Owner CHONGQING UNIV OF ARTS & SCI
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