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Quickly vulcanized butyl rubber and preparation method and application thereof

A butyl rubber, rapid vulcanization technology, applied in the rubber field, can solve the problem of slow vulcanization speed of butyl rubber, and achieve the effects of high vulcanization speed, wide application and simple operation

Active Publication Date: 2012-05-02
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of slow vulcanization speed of butyl rubber in the prior art, the present invention provides a fast vulcanization butyl rubber and a preparation method thereof, which can effectively increase the vulcanization speed while maintaining good mechanical properties; in addition, due to the introduction of The polar group improves the self-adhesive and mutual-adhesive properties of the rubber

Method used

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  • Quickly vulcanized butyl rubber and preparation method and application thereof
  • Quickly vulcanized butyl rubber and preparation method and application thereof
  • Quickly vulcanized butyl rubber and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] ①Modification treatment: Put 650g of butyl rubber (268, in which the content of isoprene chain is 1.70±0.2mol%) into the internal mixer, heat up to 80~100℃, and then add the modifier sodium hydride M 1 , Maleic anhydride M 2 Add to the internal mixer one by one, the added modifier is based on the weight of butyl rubber, M 1 1.6 copies, M 2 2 copies; M 1 The reaction time is 10min, the reaction temperature is 80~100℃, M 2 The reaction time is 15min, and the reaction temperature is 80~100℃

[0037] ②Reaction termination: add the terminator n-butanol (commercially available) in an amount of 10ml and add it to the rubber treated in step ① to terminate the modification reaction to obtain a fast vulcanized butyl rubber.

Embodiment 2

[0039] ① Modification treatment: Put 650g of butyl rubber (268, in which the content of isoprene chain is 1.70±0.2mol%) into an internal mixer, raise the temperature to 80~100℃, and then hydrogenate the modifier Sodium (NaBH 4 )M 1 , Maleic anhydride M 2 Add to the internal mixer one by one, the added modifier is based on the weight of butyl rubber, M 1 1.6 copies, M 2 2 copies; M 1 The reaction time is 10min, the reaction temperature is 80~100℃, M 2 The reaction time is 15min, and the reaction temperature is 80~100℃

[0040] ②Reaction termination: The terminator is tap water, the amount is 10ml, and it is added to the rubber treated in step ① to terminate the modification reaction to obtain a fast vulcanized butyl rubber.

Embodiment 3

[0042] ① Modification treatment: Put 50g of butyl rubber (268, in which the isoprene content is 1.70±0.2mol%) into the internal mixer, heat up to 80~100℃, and then add the modifier metal sodium M 1 , Cinnamaldehyde M 2 Add to the internal mixer one by one, the added modifier is based on the weight of butyl rubber, M 1 1.0 copies, M 2 1.3 copies; M 1 The reaction time is 10min, the reaction temperature is 80~100℃, M 2 The reaction time is 10min, and the reaction temperature is 80~100℃

[0043] ②Reaction termination: The terminator is tap water, the amount is 10ml, and it is added to the rubber treated in step ① to terminate the modification reaction to obtain a fast vulcanized butyl rubber.

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Abstract

The invention discloses quickly vulcanized butyl rubber and a preparation method and application thereof. The quickly vulcanized butyl rubber contains the following components: 100 weight parts of butyl rubber, 1 to 2 parts of modifier M1, and 1 to 2 parts of modifier M2. The quickly vulcanized butyl rubber is prepared by the method comprising the following steps of: (1) putting the butyl rubber into rubber processing equipment, and heating the butyl rubber to the temperature of between 50 and 150 DEG C; (2) sequentially adding the modifiers M1 and M2; and (3) adding a terminator. Wherein, the reaction temperature of the modifier M1 is 50 to 140 DEG C, the reaction time of the modifier M1 is 10 to 30 minutes, the reaction temperature of the modifier M2 is 60 to 130 DEG C, and the reaction time of the modifier M2 is 10 to 30 minutes. The quickly vulcanized butyl rubber can effectively improve the vulcanizing speed and keep good mechanical property, is simple and convenient to operate, and can be widely applied in tyre preparation.

Description

Technical field [0001] The present invention relates to the field of rubber, and more specifically, to a fast-vulcanized butyl rubber and a preparation method and application thereof. Background technique [0002] The existing butyl rubber has a slow vulcanization speed, poor mutual adhesion and self-adhesion, and is difficult to use with other rubbers. As a result, the modification technology of butyl rubber has always been an important area to achieve its high performance. The bromobutyl rubber obtained by bromination modification not only has a faster vulcanization speed, but also gives the butyl rubber a polar group, which improves its self-adhesiveness and mutual adhesion. Bromination modification can be carried out in a solution or in an open mill. Due to the high corrosiveness of bromine, the requirements for equipment are high. At the same time, the by-product hydrogen bromide produced in the bromination process affects the follow-up of equipment and products. Applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/22B60C1/00
Inventor 郑国军赵季若段常青冯莺骆献辉周睿牟奇军张杰张波张五八武艳平郝雁钦赵忠征
Owner CHINA PETROLEUM & CHEM CORP
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