Self-healing anti-oxidation paint for surface of curing blanket and preparation method of self-healing anti-oxidation paint

An anti-oxidation coating and self-healing technology, which is applied in the field of thermal insulation materials, can solve the problems of thermal insulation performance degradation, oxidized matting, etc., and achieve the effects of easy operation, prevention of slag drop, and good oxidation resistance

Inactive Publication Date: 2017-05-31
SHANGHAI TOYO TANSO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defects in the prior art, an object of the present invention is to provide a self-healing anti-oxidation coating on the surface of the cured felt, which is used to solve the problem that the cured felt is oxidized during use, thereby deteriorating the thermal insulation performance; Another object of the present invention is to provide a method for preparing a cured felt surface self-healing anti-oxidation coating

Method used

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  • Self-healing anti-oxidation paint for surface of curing blanket and preparation method of self-healing anti-oxidation paint
  • Self-healing anti-oxidation paint for surface of curing blanket and preparation method of self-healing anti-oxidation paint
  • Self-healing anti-oxidation paint for surface of curing blanket and preparation method of self-healing anti-oxidation paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] SiC powder 100g (particle size ≤ 5μm), B 4 C powder 30g (particle size ≤ 3μm), silicon powder 10g (particle size ≤ 5μm), graphite powder 20g (particle size ≤ 5μm) were placed in a V-type mixer and mixed for 0.5h, after fully mixing, the mixture was taken out and waited use. Take 20g of phenolic resin, dissolve it in 100g of ethanol, ultrasonically disperse it evenly, stir it with a mixer for 20min, and control the speed at 200-300r / min to make a resin solution. Then add the mixture into the resin solution, and continue stirring with the mixer for 30 minutes to make a self-healing anti-oxidation coating.

Embodiment 2

[0033] SiC powder 100g (particle size ≤ 5μm), B 4 C powder 30g (particle size ≤ 3μm), silicon powder 10g (particle size ≤ 5μm), graphene powder 5g (average number of layers 2-3 layers) were placed in a V-type mixer and mixed for 0.5h, after fully mixing, put The mixture is taken out for use. Take 20g of phenolic resin, dissolve it in 80g of ethanol, ultrasonically disperse evenly, stir with a mixer for 20min, and control the speed at 200-300r / min to form a resin solution. Then add the mixture into the resin solution, and continue stirring with the mixer for 30 minutes to make a self-healing anti-oxidation coating.

Embodiment 3

[0035] SiC powder 82g (particle size ≤ 5μm), B 4 C powder 40g (particle size ≤ 3μm), graphite powder 22g (particle size ≤ 5μm) were placed in a V-type mixer and mixed for 0.5h. After fully mixing, the mixture was taken out for use. Take 26g of epoxy resin, dissolve it in 80g of acetone, disperse it evenly by ultrasonic, stir it with a mixer for 20min, and control the speed at 200-300r / min to make a resin solution. Then add the mixture into the resin solution, and continue stirring with the mixer for 30 minutes to make a self-healing anti-oxidation coating.

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Abstract

The invention relates to a self-healing anti-oxidation paint for the surface of a curing blanket. The paint is prepared from an antioxidant, a heat-conducting additive and a binder. The paint can be used for anti-oxidation of the surface of the curing blanket, can be sprayed on the surface of the curing blanket through manual brushing or spray gun coating. The self-healing anti-oxidation paint is simple in operation and low in cost; a coating is tightly combined with a matrix material after being dried and curried, and is not easy to peel off; and the problem of residue dropping after high-temperature oxidation of the curing blanket can be effectively solved. Meanwhile, compared with a common paint, the coating has self-healing and anti-oxidation characteristics, and can be used for a high-temperature aerobic environment below 1600 DEG C.

Description

technical field [0001] The invention relates to the technical field of thermal insulation materials, in particular to a self-healing anti-oxidation coating on the surface of a cured felt and a preparation method thereof. Background technique [0002] Cured felt is made of polyacrylonitrile-based carbon felt or graphite felt as the base material, and is obtained after processing such as bonding, curing, shaping, carbonization, and high-temperature treatment. The cured felt after the above processing has good shape retention, self-supporting property, small specific gravity, no short fiber shedding, high surface finish, low thermal conductivity, high temperature resistance, good thermal shock resistance (long-term use without cracking, No deformation, it is an index to evaluate its resistance to damage when the material is subjected to rapid temperature changes), long service life, easy to install and replace, and the operating temperature can be as high as 3000 ° C. It is an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/06C09D163/00C09D7/12
CPCC09D161/06C08K3/00C08K3/02C08K3/04C08K3/34C08K3/38C08K2003/023C08K2201/003C09D7/61C09D163/00
Inventor 黄健陈卫武詹国彬
Owner SHANGHAI TOYO TANSO
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