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A kind of rubber anti-aging coating and its preparation method and application

An anti-aging coating and rubber technology, applied in epoxy resin coatings, coatings, devices for coating liquid on surfaces, etc., can solve problems such as organic solvent pollution, cumbersome preparation methods, environmental pollution, etc., and achieve simple and convenient operation. , Reasonable cost, strong implementation effect

Inactive Publication Date: 2019-11-15
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Main disadvantages: the main body is oil-soluble paint, and organic solvents pollute the environment during use
However, the preparation method is cumbersome, and the reagents used are organic solvents, which easily cause environmental pollution.

Method used

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  • A kind of rubber anti-aging coating and its preparation method and application
  • A kind of rubber anti-aging coating and its preparation method and application
  • A kind of rubber anti-aging coating and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The total weight is 1000 parts. Add 200 parts of epoxy resin, 1 part of diethyl phthalate and 1 part of bentonite into a reaction vessel containing 598 parts of deionized water, and dissolve until there is no obvious block or flake in the system Material, a uniform emulsion is finally obtained, which is recorded as liquid A; 0.2 parts of isobutyl propylamino-POSS is dissolved in 197.8 parts of deionized water, which is recorded as liquid B. Add liquid B dropwise to liquid A, and sonicate it for 10 minutes while dripping; then at 80℃, use a 2mm film applicator to evenly coat the surface of the nitrile rubber, and finally transfer the rubber to a 100℃ constant temperature drum In the air drying box, solidify and keep warm for 24h.

Embodiment 2

[0031] The total weight is 1000 parts. Add 200 parts of epoxy resin, 1 part of diethyl phthalate and 1 part of bentonite into a reaction vessel containing 598 parts of deionized water, and dissolve until there is no obvious block or flake in the system Material, a uniform emulsion is finally obtained, which is recorded as liquid A; 0.4 parts of isobutyl propylamino-POSS are dissolved in 197.6 parts of deionized water, which is recorded as liquid B. Add liquid B dropwise to liquid A, and sonicate it for 10 minutes while dripping; then at 80℃, use a 2mm film applicator to evenly coat the surface of the nitrile rubber, and finally transfer the rubber to a 100℃ constant temperature drum In the air drying box, solidify and keep warm for 24h.

Embodiment 3

[0033] The total weight is 1000 parts. Add 200 parts of epoxy resin, 1 part of diethyl phthalate and 1 part of bentonite into a reaction vessel containing 598 parts of deionized water, and dissolve until there is no obvious block or flake in the system Materials, a uniform emulsion is finally obtained, which is recorded as liquid A; 0.6 parts of isobutyl propylamino-POSS are dissolved in 197.4 parts of deionized water, and this is recorded as liquid B. Add liquid B dropwise to liquid A, and sonicate it for 10 minutes while dripping; then at 80℃, use a 2mm film applicator to evenly coat the surface of the nitrile rubber, and finally transfer the rubber to a 100℃ constant temperature drum In the air drying box, solidify and keep warm for 24h.

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Abstract

The invention provides rubber anti-aging paint, and a preparation method and application thereof. The rubber anti-aging paint comprises the following ingredients in parts by weight with the total weight being 1000 parts: 200 to 350 parts of resin, 0.2 to 3.5 parts of auxiliary agents, 0 to 5 parts of POSS (polyhedral oligomeric silsesquioxane) and 641.5 to 799.8 parts of water. The paint can be used as a rubber coating. The rubber anti-aging paint provided by the invention comprises the POSS; the POSS can improve the intensity of the coating after film forming; through a cage-shaped three-dimensional structure, the self molecular dimension is larger; potential physical cross linking points are formed in the coating; the curing crosslinking of the paint is facilitated, so that the coating inside structure stability is improved; the sealing performance and the thermal stability of the coating are effectively increased. When the addition of the POSS is 0.2 percent, the improvement effect of the coating on the rubber is most obvious; the stretch intensity is 9.2 MPa; the break elongation rate is 620 percent.

Description

Technical field [0001] The invention relates to a rubber anti-aging coating technology, in particular to a rubber anti-aging coating and a preparation method and application thereof, belonging to the field of coatings. Background technique [0002] Nitrile rubber is one of the seven major rubber types in the world today. It is widely used in military, automotive, aerospace, shoemaking and other industries. It has excellent oil resistance, low temperature and high temperature resistance, abrasion resistance, and compression deformation resistance. Under the influence of external environmental factors such as ozone, ultraviolet light, and humidity, the surface structure of rubber products changes, showing aging phenomena such as loss of light, discoloration and hardening, chalking and cracking, which leads to the deterioration of rubber performance. Under normal circumstances, delaying the occurrence of rubber aging reactions is mainly achieved by adding various chemical substances...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/65B05D3/02B05D7/02B05D7/24
CPCB05D3/0254B05D7/02B05D7/24B05D2401/21B05D2502/00B05D2503/00B05D2504/00C08K3/346C08K5/549C09D163/00
Inventor 王小涛黄雷叶晓铁
Owner HUBEI UNIV OF TECH
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