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A kind of alcohol-type glue double-effect auxiliary agent and its preparation method and application

A technology of double-effect additives and alcohol-based adhesives, which is applied in the direction of adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve problems such as high cost, high pollution, and high energy consumption, and achieve improved electrical properties and improved The effect of improving the mechanical strength and curing thickness of the product

Inactive Publication Date: 2015-09-16
HUBEI POWER THE SILICON & FLUORINE TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to meet the market demand, improve the high energy consumption, high cost, high pollution, and health-damaging appearance of domestic room temperature vulcanized silicone rubber, solve the deficiencies in the prior art, and provide a strong adhesive, deep curing (vulcanization) Fast Alcohol Glue Double Effect Auxiliary

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1) Add 30 parts of vinyltrimethoxysilane solution into the reactor and heat up to 30°C;

[0024] 2) Add 4 parts of water into the reactor, and react for 1 hour at 30°C under normal pressure;

[0025] 3) Add 80 parts of 1,2-bistrimethoxysilylethane into the reactor, mix evenly and heat up to 50°C, then add 3 parts of water and react for 2 hours;

[0026] 4) Add 6 parts of 3-(2,3-glycidoxy)propyltrimethoxysilane and 2 parts of water into the reactor together, and raise the temperature to 60°C for 2 hours;

[0027] 5) After cumulative reaction for 5 hours, carry out low-pressure distillation, exhaust the low boilers in the reactor at 70°C and a vacuum degree of -0.09, filter after cooling down, and pack to obtain the product of alcohol type glue double-effect additive.

[0028] The alcohol-type RTV glue produced by the alcohol-type glue dual-effect auxiliary agent in Example 1 and the current domestic alcohol-type RTV glue were subjected to performance test experiments, a...

Embodiment 2

[0033] 1) Add 50 parts of vinyltrimethoxysilane solution into the reactor and heat up to 30°C;

[0034] 2) Add 5 parts of water into the reactor, and react for 1 hour at 30°C under normal pressure;

[0035] 3) Add 100 parts of 1,2-bistrimethoxysilylethane into the reactor, mix well and heat up to 50°C, then add 4 parts of water into it and react for 2 hours;

[0036] 4) Add 10 parts of 3-(2,3-glycidoxy)propyltrimethoxysilane and 2 parts of water into the reactor together, and raise the temperature to 60°C for 2 hours;

[0037] 5) After cumulative reaction for 5 hours, carry out low-pressure distillation; exhaust the low boilers in the reactor at 70°C and vacuum degree of -0.09, filter after cooling down, and pack to obtain the product of alcohol type glue double-effect additive.

[0038] The alcohol-type RTV glue produced by the alcohol-type glue dual-effect auxiliary agent in Example 2 and the current domestic alcohol-type RTV glue were subjected to performance test experime...

Embodiment 3

[0042] 1) Add 40 parts of vinyltrimethoxysilane solution into the reactor and heat up to 30°C;

[0043] 2) Add 5 parts of water into the reactor, and react for 1 hour at 30°C under normal pressure;

[0044] 3) Add 90 parts of 1,2-bistrimethoxysilylethane into the reactor, mix well and heat up to 50°C, then add 4 parts of water and react for 2 hours;

[0045] 4) Add 10 parts of 3-(2,3-glycidoxy)propyltrimethoxysilane and 2 parts of water into the reactor together, and raise the temperature to 60°C for 2 hours;

[0046] 5) After cumulative reaction for 5 hours, carry out low-pressure distillation, exhaust the low boilers in the reactor at 70°C and a vacuum degree of -0.09, filter after cooling down, and pack to obtain the product of alcohol type glue double-effect additive.

[0047] The alcohol-type RTV glue and the ketoxime-type RTV glue produced by the alcohol-type double-effect auxiliary agent in Example 3 were subjected to performance test experiments, and the test methods ...

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Abstract

The invention discloses an alcohol-type adhesive double-effect assistant and a preparation method thereof. The alcohol-type adhesive double-effect assistant comprises the following raw materials: vinyltrimethoxysilane, 1,2-bis(trimethoxysilyl)ethane, 3-(2,3-epoxypropoxy)propyltrimethoxysilane and water. The single-component alcohol-type RTV (room-temperature vulcanizing) adhesive produced from the alcohol-type adhesive double-effect assistant can be used for firmly binding FR-4, glass, plastic, metal, ceramic and various other materials, and can implement quick deep curing under low-temperature dry conditions and other extreme climates. The alcohol-type adhesive double-effect assistant disclosed by the invention is safe, simple and environment-friendly to manufacture, and can overcome the defects of poor binding performance and slow deep curing (vulcanizing) in the national alcohol-type RTV adhesive.

Description

technical field [0001] The invention relates to a double-effect auxiliary agent for alcohol type glue, in particular to a preparation method and application of the double-effect auxiliary agent for alcohol type glue. Background technique [0002] Room temperature vulcanized silicone rubber is one of the main products of organic silicon. In my country, room temperature vulcanized silicone rubber is mainly divided into three types: dealcoholized, deacidified and deoximated. Dealcohol-type silicone rubber crosslinking agent is alkoxysiloxane (such as methyltriethoxysilane), vulcanization depends on the action of moisture in the air, slow vulcanization speed, poor storage performance, poor bonding performance; deacidification type The silicone rubber crosslinking agent is acetoxysiloxane (such as methyltriacetoxysilane), which releases acetic acid during the vulcanization process, which has a corrosive effect on metals and is not suitable for some precision equipment; deoximatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J11/06C09J183/04
Inventor 何敬国黄荣华李梦准
Owner HUBEI POWER THE SILICON & FLUORINE TECH
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