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Modified butyl rubber

A butyl rubber and modification technology, which is applied in the field of modified butyl rubber, can solve the problems of low butyl rubber output and poor inner tube performance, and achieve good air tightness, more environmentally friendly carcass appearance, and improved strength. Effect

Inactive Publication Date: 2020-05-29
宁波潇阳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the output of butyl rubber in my country is extremely low, and the supply exceeds demand. The existing butyl reclaimed rubber and other natural rubber inner tubes have poor performance. It is urgent to find a new inner tube that can reduce the amount of fixed base rubber.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0016] A kind of modified butyl rubber, it is made by the raw material of following weight (kg): butyl rubber 50, maleic anhydride 20, phenolic resin 2402 8, carbon black 40, ethylene glycol monobutyl ether 2 , ACR resin 2, sulfur 1, vulcanization accelerator ZDMC 1, butyl reclaimed rubber 20, aramid pulp 10, decabromodiphenyl ether 2, accelerator TMTD50;

[0017] Described accelerator TMTD is made by the raw material of following weight (kg):

[0018] Deionized water 100, nylon 66 100, ethylene propylene rubber 40, trimethyl cetyl ammonium bromide 1, trimethyl octadecyl ammonium chloride 1, kaolin 10, sludge 15, activated carbon 2, zeolite powder 4.

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PUM

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Abstract

The invention discloses modified butyl rubber prepared from the following raw materials in parts by weight: 30-50 parts of butyl rubber, 20-30 parts of maleic anhydride, 8-12 parts of phenolic resin 2402, 40-50 parts of carbon black, 2-3 parts of ethylene glycol monobutyl ether, 2-4 parts of ACR resin, 1-3 parts of sulfur, 1-2 parts of a vulcanization accelerator ZDMC, 20-40 parts of butyl reclaimed rubber, 10-20 parts of aramid pulp, 2-4 parts of decabromodiphenyl ether and 50-70 parts of an accelerator TMTD. Aramid pulp is well dispersed in a rubber matrix, has an obvious reinforcing effecton compounding, and can be well dispersed in a rubber material together with compound intercalated mineral powder.

Description

technical field [0001] The invention relates to the field of inner tubes, in particular to a modified butyl rubber. Background technique [0002] Butyl rubber is a kind of synthetic rubber, which is synthesized from isobutylene and a small amount of isoprene. It is generally used in the production of car tires and car sound insulation products. Now butyl rubber has been widely used to replace asphalt in the name of environmental protection. [0003] Butyl rubber inner tube colloid has good self-closing performance and high air tightness. After the inner tube is loaded, the air pressure is above 8MPA, and the high-air-tight carcass reduces the natural leakage of gas. Compared with the natural rubber inner tube, the inflation frequency is lower during use, and it is more fuel-efficient during driving. The high temperature resistance of butyl rubber inner tube is superior to that of natural rubber inner tube. When the car is running at high speed for a long time, the tempera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/22C08L61/06C08L77/10C08K13/08C08K11/00C08K3/34C08K3/04C08K5/19
CPCC08K2201/014C08L23/22C08L2201/14C08L2205/025C08L2205/035C08L2205/16C08L61/06C08L77/10C08K13/08C08K11/005C08K3/346C08K3/04C08K5/19
Inventor 单金领
Owner 宁波潇阳科技有限公司
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