A kind of high temperature resistant segmental curing epoxy paint and its application method

A technology of high temperature resistant epoxy paint, applied in the direction of epoxy resin paint, coating, fireproof paint, etc., can solve the problems of paint film strength, poor adhesion, affecting paint film quality, uneven paint film, etc., to achieve Reminder of thermal conductivity, increase contact probability, and smooth paint film

Active Publication Date: 2017-12-05
中国森田企业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the common low-temperature curing epoxy paint can achieve low-temperature curing, but due to the low degree of curing, the paint film strength and adhesion are poor; while the common high-temperature curing paint obtained by high-temperature curing has high film strength and good adhesion , but due to poor leveling, the paint film will be uneven during the curing and heating process, which seriously affects the quality of the paint film

Method used

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  • A kind of high temperature resistant segmental curing epoxy paint and its application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1) Prepare component A:

[0028] The A component is an epoxy resin component, which is composed of the following raw materials in parts by weight: 20 parts of E-20 bisphenol A epoxy resin, 40 parts of E-51 bisphenol A epoxy resin, F-51 phenolic ring 10 parts of epoxy resin, 25 parts of carboxyl-terminated nitrile rubber modified tetraglycidylamine type epoxy resin, 80 parts of flaky aluminum oxide, 5 parts of micron-sized aluminum nitride balls, 5 parts of nano-sized aluminum nitride balls, 30 parts of fumed silica, 2 parts of wetting and dispersing agent, 0.5 parts of coupling agent KH-5600. Each component is mixed evenly in a vacuum mixer, and packed for use;

[0029] The carboxyl-terminated nitrile rubber modified tetraglycidylamine type epoxy resin is made of 25 parts by weight of carboxyl-terminated nitrile rubber and 75 parts by weight of tetraglycidylamine-type polyfunctional epoxy resin, with triphenylphosphine as a catalyst , After reacting at 120°C for 1 hou...

Embodiment 2

[0037] 1) Prepare component A:

[0038] The A component is an epoxy resin component, which is composed of the following raw materials in parts by weight: 25 parts of E-20 bisphenol A epoxy resin, 30 parts of E-51 bisphenol A epoxy resin, F-51 phenolic ring 4 parts of epoxy resin, 25 parts of carboxy-terminated nitrile rubber modified tetraglycidylamine type epoxy resin, 85 parts of flaky aluminum oxide, 5 parts of micron-sized aluminum nitride balls, 5 parts of nano-sized aluminum nitride balls, 25 parts of fumed silica, 2 parts of wetting and dispersing agent, 0.5 parts of coupling agent KH-5600. The components are mixed evenly in a vacuum mixer and packaged for use.

[0039] Described carboxyl-terminated nitrile rubber modified tetraglycidylamine type epoxy resin is by the tetraglycidylamine type polyfunctional epoxy resin of 28 weight parts carboxyl-terminated nitrile rubber and 72 weight parts, with triphenylphosphine as catalyst , After reacting at 130°C for 0.5 hours, ...

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Abstract

The invention relates to high-temperature resistant sectional curing epoxy paint and a use method thereof. The high-temperature resistant sectional curing epoxy paint comprises a component A, a component B and a component C which are mixed in a certain ratio, wherein the component A is an epoxy resin component which comprises E-20 bisphenol A epoxy resin, E-51 bisphenol A epoxy resin, F-51 phenolic epoxy resin, carboxyl terminated nitrile rubber modified tetra-glycidyl amide type epoxy resin, aluminium oxide, micron-grade and nanometer-grade aluminum nitride balls, fumed silica, a wetting dispersant and a coupling agent; the component B is a first curing agent component which comprises a YH-82 epoxy curing agent, a C-1041 cardanol epoxy resin curing agent, DMP(Dimethylphthalate)-30, fumed silica and micron-grade aluminum nitride balls; the component C is a second curing agent component which comprises hexahydrophthalic anhydride, fumed silica and micron-grade aluminum nitride balls. The high-temperature resistant sectional curing epoxy paint prepared by the invention has the effects of low temperature pre-curing for avoiding uniform paint films, and high temperature curing, thereby keeping high strength and good adhesion of the paint films formed by low temperature curing.

Description

Technical field: [0001] The invention relates to a high-temperature-resistant segmented curing epoxy paint and a method for using the same, belonging to the field of special epoxy paints. Background technique: [0002] Epoxy paint is a commonly used paint with epoxy resin and curing agent as the main components, combined with suitable additives. The advantage of epoxy paint is that it has strong adhesion to inorganic materials such as cement and metal, and it is very corrosion-resistant. Excellent mechanical properties, wear resistance, impact resistance, organic solvent resistance, heat resistance, water resistance, non-toxic coating, etc. [0003] However, the common low-temperature curing epoxy paint can achieve low-temperature curing, but due to the low degree of curing, the paint film strength and adhesion are poor; while the common high-temperature curing paint obtained by high-temperature curing has high film strength and good adhesion , but due to poor leveling, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D163/04C09D7/12
CPCC08K2003/2227C08K2003/282C08K2201/011C08K2201/014C08L2201/08C08L2205/02C08L2205/025C08L2205/035C09D5/18C09D7/61C09D7/63C09D163/00C08L63/00C08L63/04C08K13/02C08K3/36C08K5/1539C08K3/22C08K3/28
Inventor 焦祺森施清荣高国赞彭李幸子
Owner 中国森田企业集团有限公司
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