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Special environmentally friendly weather-resistant coating for motor and preparation method of special environmentally friendly weather-resistant coating

A weather-resistant and environmentally friendly technology, applied in coatings and other directions, can solve the problems of poor weather resistance and impact on service life of water-based coatings, and achieve the effects of good adhesion, reduced VOC volatilization, and high cross-linking density.

Inactive Publication Date: 2019-02-26
ZIBO HAPUWO POWER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the weather resistance of water-based coatings is poor, which greatly affects its service life, so improving the weather resistance of coatings is a key point in the research direction of coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A special environment-friendly and weather-resistant coating for motors, which is made from the following raw materials, and the parts are all parts by weight:

[0044] 20 parts of water-based core-shell epoxy resin emulsion;

[0045] 10 parts of deionized water;

[0046] 3 parts of sodium hexametaphosphate;

[0047] 3 parts of polyvinylpyrrolidone;

[0048] Polyoxyethylene 1 part;

[0049] 2 parts of polyoxypropylene polyoxyethylene glyceryl ether;

[0050] 4 parts of diacetone alcohol;

[0051] 2 parts of polydimethylsiloxane;

[0052] 1 part of hydroxyethyl cellulose;

[0053] 3 parts carboxymethyl cellulose;

[0054] Epikure 8290-Y-60 2 servings.

[0055] The invention provides a preparation process of an environmentally friendly and weather-resistant coating dedicated to motors as follows:

[0056] (1) Preparation of acrylic modified epoxy resin core layer

[0057] Add 20.3kg methyl methacrylate, 12.9kg acrylic acid, 10.3kg butyl acrylate, 30.8kg bispheno...

Embodiment 2

[0062] A special environment-friendly and weather-resistant coating for motors, which is made from the following raw materials, and the parts are all parts by weight:

[0063] 22 parts of water-based core-shell epoxy resin emulsion;

[0064] 12 parts of deionized water;

[0065] Sodium hexametaphosphate 4 parts;

[0066] 4 parts of polyvinylpyrrolidone;

[0067] Polyoxyethylene 1.5 parts;

[0068] 2.5 parts of polyoxypropylene polyoxyethylene glyceryl ether;

[0069] 4 parts of diacetone alcohol;

[0070] 2 parts of polydimethylsiloxane;

[0071] 2 parts of hydroxyethyl cellulose;

[0072] Carboxymethylcellulose 4 parts;

[0073] Epikure 8535-W-50 3.5 parts.

[0074] Its preparation method etc. are the same as embodiment 1.

Embodiment 3

[0076] A special environment-friendly and weather-resistant coating for motors, which is made from the following raw materials, and the parts are all parts by weight:

[0077] 25 parts of water-based core-shell epoxy resin emulsion;

[0078] 25 parts of deionized water;

[0079] 5 parts of sodium hexametaphosphate;

[0080] 4 parts of polyvinylpyrrolidone;

[0081] Polyoxyethylene 2 parts;

[0082] 2.5 parts of polyoxypropylene polyoxyethylene glyceryl ether;

[0083] 4.5 parts of diacetone alcohol;

[0084] 2.5 parts of polydimethylsiloxane;

[0085] 2 parts of hydroxyethyl cellulose;

[0086] Carboxymethylcellulose 4 parts;

[0087] Epikure 8535-W-50 2 parts;

[0088] Epikure 8536-MY-60 2 servings.

[0089] Its preparation method etc. are the same as embodiment 1.

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Abstract

The invention provides a special environmentally friendly weather-resistant coating for a motor and a preparation method of the special environmentally friendly weather-resistant coating, and belongsto the field of preparation of materials. Waterborne core-shell epoxy resin emulsion is taken as a main component, and is added with a dispersing agent, a defoaming agent, a leveling agent and a thickening agent, and a waterborne amine curing agent with good emulsifier and curing agent functions is used and is mixed with the foregoing components to obtain the special environmentally friendly weather-resistant coating. The synthesized waterborne core-shell epoxy resin emulsion has hydrophilicity of acrylic monomers, high crosslinking density of epoxy resin and heat resistance, weather resistance and illumination resistance of organosilicone monomers, and the coating prepared from the emulsion is good in adhesive force and good in stability. According to the preparation method, VOC volatilization is relieved by a waterborne technology, a traditional solvent type motor coating is transformed into an environmentally friendly type motor coating, and thus, the special environmentally friendly weather-resistant coating conforms to the development tendency of environmental protection.

Description

technical field [0001] The invention relates to an environmentally friendly and weather-resistant coating for motors and a preparation method thereof, belonging to the field of material preparation. Background technique [0002] Motors are used in a wide range of fields, and the environment they are exposed to is relatively complex, and the weather resistance of the motor coating is greatly weakened. Weather resistance is a crucial factor in determining the life of the coating. The service life of the coating is significantly reduced due to the influence of natural climate factors such as sunlight, wind and rain, cold and heat for a long time. Therefore, the motor coating not only requires excellent adhesion, flexibility, and impact resistance, but also has good weather resistance, corrosion resistance, and good chemical resistance. [0003] Among various coating technologies, most of them are solvent-based coatings, in which the content of volatile organic compounds is abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/10C09D7/65C09D7/61
CPCC09D183/10C08L2205/035C09D7/61C09D7/65C08L39/06C08L71/02C08L83/04C08L1/284C08L1/286C08K3/32
Inventor 王金国
Owner ZIBO HAPUWO POWER TECH CO LTD
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