a kind of rubber

A rubber and butyl rubber technology, applied in the rubber field, can solve the problems of incomplete curing, incomplete curing, incomplete catalysis, etc., and achieve the effects of easy acquisition, low cost and good elasticity

Active Publication Date: 2016-08-17
柳州市圣诺科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The condensation type curing method usually releases small organic molecules due to the hydrolysis of alkoxy groups during the curing process, which is considered not very environmentally friendly
Addition curing usually requires metal-organic substances such as platinum, tin or platinum complexes to catalyze, which not only increases the cost of the entire system, but also has catalyst poisoning and incomplete catalysis in specific application environments. Lead to incomplete curing or even no curing, and metal organic catalysts also have certain environmental protection problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of rubber comprising the following components in parts by weight: 17 parts of butyl rubber, 9 parts of ethylene vinyl acetate copolymer, 12 parts of polyvinyl silicone oil, 2 parts of sulfur powder, 10 parts of magnesium silicate, and 2 parts of zinc oxide , 2 parts of zinc dibutyl dithiophosphate.

[0016] 17 parts of butyl rubber, 9 parts of ethylene vinyl acetate copolymer, 12 parts of polyvinyl silicone oil, 2 parts of sulfur powder, 10 parts of magnesium silicate, 2 parts of zinc oxide, 2 parts of dibutyl Sodium zinc dithiophosphate is sequentially added into a sealed internal mixer, mixed and heated.

Embodiment 2

[0018] A kind of rubber, comprising the following components in parts by weight: 15 parts of butyl rubber, 9 parts of ethylene vinyl acetate copolymer, 10 parts of polyvinyl silicone oil, 1 part of sulfur powder, 11 parts of magnesium silicate, 3 parts of magnesium oxide , 2 parts of zinc dibutyl dithiophosphate.

[0019] 15 parts of butyl rubber, 9 parts of ethylene vinyl acetate copolymer, 10 parts of polyvinyl silicone oil, 1 part of sulfur powder, 11 parts of magnesium silicate, 3 parts of magnesium oxide, 2 parts of dibutyl Zinc dithiophosphate is sequentially added into a sealed internal mixer, mixed and heated.

Embodiment 3

[0021] A kind of rubber comprising the following components in parts by weight: 12 parts of butyl rubber, 15 parts of ethylene vinyl acetate copolymer, 8 parts of polyvinyl silicone oil, 1 part of sulfur powder, 7 parts of magnesium silicate, and 1 part of zinc oxide , 3 parts of zinc dibutyl dithiophosphate.

[0022] 12 parts of butyl rubber, 15 parts of ethylene vinyl acetate copolymer, 8 parts of polyvinyl silicone oil, 1 part of sulfur powder, 7 parts of magnesium silicate, 1 part of zinc oxide, 3 parts of dibutyl di Zinc thiophosphate is sequentially added into a sealed internal mixer, mixed and heated.

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PUM

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Abstract

>The invention belongs to the technical field of rubber, and provides novel rubber. The novel rubber comprises the following components in parts by weight: 10-18 parts of butyl rubber, 8-20 parts of ethylene vinyl acetate copolymers, 7-13 parts of polyvinylsilicone oil, 1-2 parts of sulfur powder, 6-11 parts of filling agents, 1-3 parts of aging inhibitors and 1-3 parts of accelerative activators. The novel rubber provided by the invention has the advantages that raw materials are easily obtained and the cost is relatively low, accords with the development trend of environmental friendliness because the contained components are more environment-friendly and is still good in abrasion resistance, corrosion resistance and elasticity.

Description

technical field [0001] The invention belongs to the technical field of rubber. Background technique [0002] Currently commonly used silicone rubber mainly has two curing methods: addition type and condensation type. The addition type is mainly cured by hydrosilylation reaction, while the condensation type is mainly cured by the hydrolysis condensation reaction of alkoxy groups. The condensation type curing method usually releases small organic molecules due to the hydrolysis of alkoxy groups during the curing process, which is considered not very environmentally friendly. Addition curing usually requires metal-organic substances such as platinum, tin or platinum complexes to catalyze, which not only increases the cost of the entire system, but also has catalyst poisoning and incomplete catalysis in specific application environments. Incomplete or even non-curing results in incomplete curing, and at the same time, metal organic catalysts also have certain environmental pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/08C08L23/22C08L83/07C08K13/02C08K3/06
CPCC08L23/0853C08L23/22C08L2205/03C08L83/04C08K13/02C08K3/06
Inventor 张增芳唐忠锋
Owner 柳州市圣诺科技有限公司
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