Water-based graphene acrylic acid-polysiloxane coating and preparation method thereof

A technology of acrylic acid and polysiloxane, which is applied in the direction of anti-corrosion coatings and coatings, and can solve problems such as high energy consumption, poor comprehensive performance of paint films, and complicated operations

Inactive Publication Date: 2020-10-16
天津中航百慕新材料技术有限公司
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Problems solved by technology

However, the existing polysiloxane coatings generally need to be baked at a high temperature of 200°C when forming a film, whic

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  • Water-based graphene acrylic acid-polysiloxane coating and preparation method thereof
  • Water-based graphene acrylic acid-polysiloxane coating and preparation method thereof
  • Water-based graphene acrylic acid-polysiloxane coating and preparation method thereof

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[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0034] The existing polysiloxane coating generally needs to be baked at a high temperature of 200° C. when forming a film, which consumes a lot of energy, and the operation is complicated, and the overall performance of the film after drying is not good. For the deficiencies in the prior art, the invention provides a kind of waterborne graphene acrylic acid-polysiloxane coating, and described coating comprises main agent and curing agent, and in parts by mas...

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Abstract

The invention discloses a water-based graphene acrylic acid-polysiloxane coating and a preparation method thereof. Raw materials of the coating comprise main agents and a curing agent, wherein the main agents include 60 to 60 70 parts by mass of a water-based resin emulsion; 15 to 20 parts by mass of pigment; 10-15 parts by mass of a filler; 0.1 to 1.0 part by mass of a nanometer material; 0.5 to1.0 part by mass of an anti-settling agent, 1.0-1.5 parts of a coalescing agent, 0.1-0.2 part of a pH regulator, 2-4 parts of deionized water, 0.05-0.10 part of a defoaming agent I, 0.5-1 part of a wetting dispersant and 0.1-0.6 part of a defoaming agent II. The curing agent is a water-based curing agent containing an epoxy group and an alkoxy group; wherein the water-based resin emulsion is water-based acrylic acid graft modified polysiloxane resin, and the nano material is surface modified graphene oxide. By applying the technical scheme, the coating can be cured at normal temperature, the energy consumption is reduced, the adhesive force of the prepared coating is enhanced, the water resistance is improved, the weather resistance is excellent, and the mechanical properties such as the flexibility and the impact resistance of the coating are further improved.

Description

technical field [0001] The invention belongs to the technical field of water-based anticorrosion coatings, and more specifically relates to a water-based graphene acrylic-polysiloxane coating and a preparation method thereof. Background technique [0002] Traditional solvent-based coatings need to add a lot of organic solvents in the process of production and construction, which will cause certain harm to human health and the environment. With the advancement of social science and technology and the improvement of human cognition, people continue to realize the harm caused by solvent-based coatings, that is, the emission of a large amount of volatile organic compounds (VOC) will destroy the earth's ecological environment and threaten human health. At present, some laws and regulations have been issued at home and abroad in response to this matter. These environmental protection regulations have strictly restricted the emission of volatile organic compounds (VOC), harmful sol...

Claims

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Application Information

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IPC IPC(8): C09D151/08C09D5/08C09D7/00C09D7/62C09D7/61C09D7/63C09D7/45C09D7/65
CPCC08K2003/2241C08K2201/005C08K2201/011C09D5/08C09D7/00C09D151/08C09D7/45C09D7/61C09D7/62C09D7/63C09D7/65C08L33/08C08K13/06C08K9/04C08K3/042C08K3/22C08K3/34C08K3/346C08K5/17
Inventor 付翠茜商汉章陈静师华杨振波季学伟付天竹翟咏李彤颜国盛
Owner 天津中航百慕新材料技术有限公司
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