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High-tenacity waterproof silicone rubber material

A silicone rubber, high-toughness technology, applied in the rubber field, can solve the problems of poor toughness and insufficient waterproof performance, and achieve the effects of less fiber damage, reduced oxidative fracture, and good vulcanization effect.

Inactive Publication Date: 2017-05-17
TIANCHANG KANGNING PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional rubber has poor toughness, and the waterproof performance cannot meet the demand.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of high tenacity waterproof silicone rubber material proposed by the present invention, its raw material comprises by weight: 20 parts of fluorosilicone rubber, 40 parts of butyl rubber, 0.5 part of silane coupling agent KH550, 0.6 part of coupling agent A-151, modified 20 parts of natural walnut shell fiber, 55 parts of barium metaborate, 2 parts of bentonite, 10 parts of bismuth oxide, 2 parts of boron oxide, 1.5 parts of dioctyl ester, 1 part of trimethyl phosphate, 4 parts of di-tert-butyl peroxide, weight 0.2 parts of potassium ammonium chromate, 2 parts of titanium acetylacetonate, and 2 parts of ultraviolet absorber UV-531.

Embodiment 2

[0017] A kind of high-toughness waterproof silicone rubber material proposed by the present invention, its raw material comprises by weight: 60 parts of fluorosilicone rubber, 20 parts of butyl rubber, 1.2 parts of silane coupling agent KH550, 0.2 part of coupling agent A-151, modified 40 parts of natural walnut shell fiber, 45 parts of barium metaborate, 8 parts of bentonite, 4 parts of bismuth oxide, 6 parts of boron oxide, 0.5 part of dioctyl ester, 2 parts of trimethyl phosphate, 2 parts of di-tert-butyl peroxide, weight 0.6 parts of potassium ammonium chromate, 1 part of titanium acetylacetonate, and 4 parts of ultraviolet absorber UV-531.

[0018] The modified walnut shell fiber is prepared by the following process: adding the walnut shell fiber into water to boil, soaking in alkaline pectinase solution, filtering, washing, soaking in sodium chloride solution, filtering, washing, adding to sodium carbonate solution soaking, washing and drying to obtain the modified walnu...

Embodiment 3

[0020] A kind of high-toughness waterproof silicone rubber material proposed by the present invention, its raw material comprises by weight: 30 parts of fluorosilicone rubber, 35 parts of butyl rubber, 0.8 part of silane coupling agent KH550, 0.5 part of coupling agent A-151, modified 25 parts of natural walnut shell fiber, 52 parts of barium metaborate, 4 parts of bentonite, 8 parts of bismuth oxide, 3 parts of boron oxide, 1.2 parts of dioctyl ester, 1.2 parts of trimethyl phosphate, 3.5 parts of di-tert-butyl peroxide, weight 0.3 parts of potassium ammonium chromate, 1.8 parts of titanium acetylacetonate, and 2.5 parts of ultraviolet light absorber UV-531.

[0021] The modified walnut shell fiber was prepared by the following process: after boiling the walnut shell fiber in water, it was soaked in alkaline pectinase solution for 1 day, filtered, washed, soaked in sodium chloride solution for 6 hours, and the soaking temperature was 90°C. Filter, wash, add to sodium carbonat...

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PUM

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Abstract

The invention discloses a high-tenacity waterproof silicone rubber material which is prepared from the following raw materials in parts by weight: 20-60 parts of fluorinated silicone rubber, 20-40 parts of butyl rubber, 0.5-1.2 parts of a silane coupling agent KH550, 0.2-0.6 part of a coupling agent A-151, 20-40 parts of modified walnut shell fibers, 45-55 parts of barium metaborate, 2-8 parts of bentonite, 4-10 parts of bismuth oxide, 2-6 parts of boron oxide, 0.5-1.5 parts of dioctyl phthalate, 1-2 parts of trimethyl phosphate, 2-4 parts of di-tert-butyl peroxide, 0.2-0.6 part of ammonium dichromate potassium, 1-2 parts of titanium oxide acetylacetonate and 2-4 parts of an ultraviolet absorber UV-531. The high-tenacity waterproof silicone rubber material has excellent water resistance, tenacity and sealing property, excellent ageing resistance, good impact resistance and high hardness.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to a high-toughness waterproof silicone rubber material. Background technique [0002] Rubber, together with plastics and fibers, is called the three major synthetic materials, among which rubber is a polymer material with high elasticity and excellent elasticity. However, with the rise of the global low-carbon economy, green manufacturing has become one of the strategic guidelines for the sustainable development of my country's rubber industry. It is to increase industrial restructuring and vigorously develop safe, energy-saving, and environmentally friendly raw materials is the basis of green manufacturing. However, traditional rubber has poor toughness, and its waterproof performance cannot meet the demand. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a high-toughness waterproof silicone rubber m...

Claims

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Application Information

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IPC IPC(8): C08L23/22C08L83/08C08L97/02C08K13/02C08K5/544C08K5/5425C08K3/38C08K3/34C08K3/22C08K5/12C08K5/521C08K5/14C08K3/28C08K5/132
CPCC08L23/22C08L83/08C08L2201/08C08L2205/03C08L2205/16C08L97/02C08K13/02C08K5/544C08K5/5425C08K3/38C08K3/346C08K3/22C08K5/12C08K5/521C08K5/14C08K3/28C08K5/132
Inventor 祁建兵
Owner TIANCHANG KANGNING PLASTIC TECH
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