Novel butyl rubber and preparation method thereof

A technology of butyl rubber and chlorinated butyl rubber, which is applied in the field of rubber compositions, can solve the problems of slow vulcanization speed, poor self-adhesiveness and mutual adhesion, and poor compatibility of butene rubber, and achieve increased strength and gloss, Good dispersibility and prolong shelf life

Active Publication Date: 2016-02-17
ZHEJIANG SHITAI IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a new type of butyl rubber for the shortcomings of butene rubber in the prior art, such as slow vulcanization speed, poor self-adhesiveness and mutual adhesion, poor compatibility, and poor interaction with reinforcing agents.

Method used

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  • Novel butyl rubber and preparation method thereof
  • Novel butyl rubber and preparation method thereof
  • Novel butyl rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A novel butyl rubber comprising the following components in parts by mass:

[0027]

[0028] Among them, the halogenated diene rubber is 55 parts by mass of brominated butyl rubber and 45 parts by mass of chlorinated butyl rubber, and the average particle diameter of nanoscale titanium dioxide, nanoscale silver powder and nanoscale montmorillonite powder is 100nm. The agent is mica treated with silane coupling agent, and the vulcanizing agent is sulfur.

Embodiment 2

[0030] A novel butyl rubber comprising the following components in parts by mass:

[0031]

[0032] Among them, the halogenated diene rubber is 70 parts by mass of brominated butyl rubber and 30 parts by mass of chlorinated butyl rubber, and the average particle diameter of nanoscale titanium dioxide, nanoscale silver powder and nanoscale montmorillonite powder is 50nm, reinforcing The agent is a mixture of silica and mica treated with a silane coupling agent, and the vulcanizing agent is sulfur.

Embodiment 3

[0034] A novel butyl rubber comprising the following components in parts by mass:

[0035]

[0036]

[0037] Among them, the halogenated diene rubber is 35 parts by mass of brominated butyl rubber and 65 parts by mass of chlorinated butyl rubber, and the average particle diameter of nanoscale titanium dioxide, nanoscale silver powder and nanoscale montmorillonite powder is 200nm, and the reinforcement The agent is a mixture of modified clay and kaolin treated with a silane coupling agent, and the vulcanizing agent is sulfur.

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Abstract

The invention relates to rubber composition and discloses novel butyl rubber. The novel butyl rubber comprises components in parts by mass as follows: 100 parts of halogenated diene rubber, 3-10 parts of stearic acid, 1-20 parts of nanoscale titanium dioxide, 2-10 parts of phenolic resin, 1-10 parts of zinc oxide, 0.5-2 parts of a vulcanizing agent and 0.5-1 part of nanoscale silver powder. The vulcanization performance, the mechanical property, the wear resistance, the crosslinking density, the strength, the glossiness and the like of the novel butyl rubber are all improved; meanwhile, the novel butyl rubber has anti-bacterial performance, ultraviolet resistance, ageing resistance and pulverization resistance, has good airtightness and is suitable for being used as a food container.

Description

technical field [0001] The invention relates to a rubber composition, in particular to a novel butyl rubber. Background technique [0002] Butyl rubber (IIR) is the first highly saturated rubber variety in the history of the development of the synthetic rubber industry. It is a low-temperature (about -100°C) copolymer of isobutylene and a small amount of isoprene. [0003] A small amount of isoprene is introduced to obtain double bonds available for vulcanization for sulfur vulcanization, thereby improving the versatility of butyl rubber. Due to its structural characteristics, butyl rubber has good air tightness, but it also has disadvantages such as slow vulcanization speed, poor self-adhesiveness and mutual adhesion, poor compatibility, and poor interaction with reinforcing agents. Contents of the invention [0004] The invention provides a new type of butyl rubber aiming at the shortcomings of butene rubber in the prior art, such as slow vulcanization speed, poor self-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L15/02C08L61/06C08K13/06C08K9/06C08K3/36C08K5/09C08K3/22C08K3/08C08K3/34B29B7/72
Inventor 陈建会陈中敢
Owner ZHEJIANG SHITAI IND CO LTD
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