Adhesive, preparation method and applications thereof

A technology of adhesive and uniform mixing, which is applied in the direction of adhesive heating bonding method, adhesive type, carboxyl rubber adhesive, etc. It can solve the problems that heat cannot be transmitted in time, accelerate rubber aging, etc., and achieve Improves service life, prevents aging, and prevents detachment

Active Publication Date: 2019-01-25
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after using conventional thermal vulcanization adhesives to bond rubber and metal, when the rubber is subjected to alternating stress and external high te

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The adhesive of the present embodiment is made up of the following components by weight:

[0034] 20 parts of carboxylated nitrile rubber;

[0035] 20 parts of styrene-butadiene pyrene rubber;

[0036] 80 parts of resorcinol-formaldehyde resin;

[0037] 150 parts of toluene;

[0038] 2 parts of acryloxypropyltrimethoxysilane;

[0039] 2 parts of glycidyl propoxypropyl trialkoxysilane;

[0040] 1 part of carbon black;

[0041] 10 parts of nano-alumina;

[0042] Wherein, the mass content of acrylonitrile in the carboxylated nitrile rubber is 30%, and the Mooney viscosity is 40; is 40; the softening point of resorcinol-formaldehyde resin is 80°C; nano-alumina is a white crystalline powder with a particle size of 20nm and a specific surface area of ​​200m 2 / g; carbon black is high pigment carbon black.

[0043] The step of preparing above-mentioned adhesive is:

[0044] 1) 20 parts of carboxylated nitrile rubber, 20 parts of nitrile butadiene rubber, 80 parts of r...

Embodiment 2

[0048] The adhesive of the present embodiment is made up of the following components by weight:

[0049] 30 parts of carboxylated nitrile rubber;

[0050] 30 parts of styrene-butadiene pyrene rubber;

[0051] 100 parts of resorcinol-formaldehyde resin;

[0052] 400 parts of toluene;

[0053] 4 parts of methacryloxypropyltriethoxysilane;

[0054] 4 parts of glycidyl propoxypropyl trialkoxysilane;

[0055] 4 parts of carbon black;

[0056] 30 parts of nano-alumina;

[0057] Wherein, the mass content of acrylonitrile in the carboxylated nitrile rubber is 40%, and the Mooney viscosity is 75; 75; the softening point of resorcinol-formaldehyde resin is 110°C; nano-alumina is a white crystalline powder with a particle size of 80nm and a specific surface area of ​​20m 2 / g; carbon black is high pigment carbon black.

[0058] The step of preparing above-mentioned adhesive is:

[0059] 1) Mix 30 parts of carboxylated nitrile rubber, 30 parts of nitrile butadiene rubber, 100 par...

Embodiment 3

[0063] The adhesive of the present embodiment is made up of the following components by weight:

[0064]25 parts of carboxylated nitrile rubber;

[0065] 25 parts of styrene-butadiene pyrene rubber;

[0066] 90 parts of resorcinol-formaldehyde resin;

[0067] 300 parts of toluene;

[0068] 3 parts of methacryloxypropyltrimethoxysilane;

[0069] 3 parts of glycidyl propoxypropyl trialkoxysilane;

[0070] 3 parts of carbon black;

[0071] 20 parts of nano-alumina;

[0072] Wherein, the mass content of acrylonitrile in the carboxylated nitrile rubber is 35%, and the Mooney viscosity is 60; 60; the softening point of resorcinol-formaldehyde resin is 100°C; nano-alumina is a white crystalline powder with a particle size of 50nm and a specific surface area of ​​110m 2 / g; carbon black is high pigment carbon black.

[0073] The step of preparing above-mentioned adhesive is:

[0074] 1) 25 parts of carboxylated nitrile rubber, 25 parts of nitrile butadiene rubber, 90 parts of...

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Abstract

The invention provides an adhesive, a preparation method and applications thereof, wherein the adhesive comprises, by weight, 20-30 parts of carboxylated nitrile butadiene rubber, 20-30 parts of butadiene styrene vinylpyridine rubber, 80-100 parts of a resorcinol-formaldehyde resin, 150-400 parts of toluene, 2-4 parts of (meth)acryloyloxypropyl trialkoxysilane, 2-4 parts of glycidylpropoxypropyl trialkoxysilane, 1-4 parts of carbon black, and 10-30 parts of nanometer alumina. According to the present invention, the adhesive has good thermal conductivity and good heat resistance so as to effectively prolong the service life of rubbers.

Description

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Claims

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Application Information

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Owner PETROCHINA CO LTD
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