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Heat-resistant epoxy resin paint

A technology of epoxy resin paint and epoxy resin, applied in the direction of coating, can solve the problems of difficult to control molecular weight, uneven paint quality, poor heat resistance, etc., to achieve stable and easy control of the production process and improved consistency of finished products , the effect of improving the service life

Inactive Publication Date: 2013-04-03
TONGLING SANJIA TRANSFORMER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The epoxy resin paint produced by the traditional method has the following defects: ordinary industrial phenol and xylene are used as solvents, which have a strong smell, strong irritation, and pollute the environment; it is difficult to control the molecular weight during the synthesis process, resulting in uneven paint quality batches and affecting batches Stability; the process range is small, and the furnace temperature / speed has a great influence on the application of coated wire rods, which has high requirements for coating applications, and it is difficult to form a smooth surface; the adhesion is small, and the heat resistance is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of heat-resistant epoxy resin paint is characterized in that it is made up of the raw material of following parts by weight (kg):

[0023] Modified epoxy resin 123, phenolic resin 15, zinc dialkyldithiophosphate 20, melamine formaldehyde resin 8, polyacrylic acid 3, diethylene glycol diacrylate phthalate 3, pentaerythritol triacrylate 2, N -(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane 1, polybutylacrylate 1.3, tert-butyl hydroperoxide 0.3, 8-hydroxyquinoline 0.6, defoamer polyethylene glycol Alcohol methyl ether 0.3, catechol 0.1;

[0024] The preparation method of described modified epoxy resin is as follows:

[0025] Weigh the following raw materials by weight (kg): E-20 epoxy resin 65, dicumyl peroxide 5, rosin 14, urea 5, butenedioic anhydride 4, nano calcium carbonate 8, polyethylene glycol methyl ether 5, Silane coupling agent KH-550 1; mix and heat to 150-155°C, stir and react for 40-60 minutes, then cool to obtain.

[0026] The preparation met...

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Abstract

The invention discloses heat-resistant epoxy resin paint. The heat-resistant epoxy resin paint comprises the following raw materials in parts by weight: 132-145 parts of modified epoxy resin, 21-25 parts of phenolic resin, 18-24 parts of zinc dialkyl dithiophosphate, 2-3 parts of polyacrylic acid, 1-3 parts of phthalic acid diethylene glycol diacrylate, 2-4 parts of pentaerythritol triacrylate, 0.8-1 part of N-(beta-aminoethyl)-gamma-aminopropyl trimethoxysilane(triethoxysilane), 1-1.2 parts of poly(ethyl acrylate), 0.2-0.4 part of tert-butyl hydroperoxide, 0.6-1 part of 8-hydroxyquinoline, 0.2-0.6 part of cobalt acetylacetonate, 0.1-0.2 part of defoaming agent poly(ethylene glycol) methyl ether and 0.5-0.8 part of dodecyl dimethyl tertiary amine. The heat-resistant epoxy resin paint disclosed by the invention adopts an aqueous emulsion finished product prepared from the modified epoxy resin as a main film-forming substance, the whole production process is smooth and easy to control, the consistency of the finished product is greatly improved, and the batch stability is good; and the phthalic acid diethylene glycol diacrylate and the pentaerythritol triacrylate are selected as solvents, the odor of the product is greatly improved, and the environmental pollution in production and use is reduced.

Description

technical field [0001] The invention mainly relates to a heat-resistant epoxy resin paint, which belongs to the field of chemical industry. Background technique [0002] Epoxy resin paint is widely used in the manufacture of special coils (such as DY coils, power tool coils, and various transformer coils) due to its excellent moisture resistance and deformation resistance. The epoxy resin paint produced by the traditional method has the following defects: common industrial phenol and xylene are used as solvents, which have a strong smell, strong irritation, and pollute the environment; it is difficult to control the molecular weight during the synthesis process, resulting in uneven paint quality batches and affecting batches Stability; the process range is small, and the furnace temperature / speed has a great influence on the application of coated wire rods, which has high requirements for coating applications, and it is difficult to form a smooth surface; the adhesion...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D7/12C08F283/10
Inventor 李新满王章奎
Owner TONGLING SANJIA TRANSFORMER
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