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Bicomponent platinum catalyst vulcanizer and its preparation method

A vulcanizing agent and two-component technology, applied in the field of two-component platinum catalyst vulcanizing agent and its preparation, can solve the problems of unsatisfactory vulcanization temperature and vulcanization speed, unsatisfactory performance of silicone rubber products, easy to produce peculiar smell, etc. To achieve the effect of good transparency, good elasticity and good stability

Inactive Publication Date: 2007-01-31
SHENZHEN ANPIN SILICONE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the vulcanizing agents currently used in the production of silicone rubber materials are traditional peroxide vulcanizing agents, such as 2,4-dichlorobenzoyl peroxide (DCBP, trade name "Double Two Four"), 2,5 -Dimethyl-2,5-di-tert-butylperoxyhexane (DBPMH, trade name also known as "double two five"), etc., this peroxide vulcanizing agent is prone to odor during use, and the vulcanization temperature , vulcanization speed is not satisfactory, the performance of the silicone rubber products produced is not ideal, and the application in many industries is limited

Method used

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  • Bicomponent platinum catalyst vulcanizer and its preparation method
  • Bicomponent platinum catalyst vulcanizer and its preparation method
  • Bicomponent platinum catalyst vulcanizer and its preparation method

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Embodiment Construction

[0025] The invention provides a two-component platinum catalyst vulcanizing agent, which comprises agent A and agent B which are mixed and thoroughly mixed during use.

[0026] Wherein, the A agent is a mixture of vinyl rubber, fumed silica and platinum complex, and the content of each component of the A agent is: 20-40 parts of vinyl rubber, 20 parts of fumed silica, Platinum complex 40-60 parts; agent B is a mixture of vinyl rubber, fumed white carbon black, terminal hydrogen-containing silicone oil and inhibitor, the mass content of each component of agent B is: vinyl rubber 30-40 parts , 15 parts of fumed white carbon black, 47-53 parts of terminal hydrogen-containing silicone oil, and 2-3 parts of inhibitors.

[0027] Element

recipe one

recipe two

Recipe three

Agent A

vinyl rubber

20 copies

40 copies

30 copies

Fumed silica

20 copies

20 copies

20 copies

Platinum complex

40 copies

60 copies

5...

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PUM

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Abstract

The present invention relates to a double-component platinum catalyst curing agent. It includes agent A and agent B which can be uniformly mixed when they are used, in which the agent A is mixture of vinyl raw rubber, gas phase white carbon black and platinum complex, and the agent B is mixture of vinyl raw rubber, gas phase white carbon black, silicon oil whose end contains hydrogen and inhibitor. When the agent A and agent B are mixed, their mass ratio is agent A: agent B = (0.8-1.0)(1.0-1.5). Said invention also provides the preparation method of said double-component platinum catalyst curing agent.

Description

technical field [0001] The invention relates to a vulcanizing agent and a preparation method thereof, in particular to a two-component platinum catalyst vulcanizing agent and a preparation method thereof. Background technique [0002] In recent years, silicone rubber has been widely used in electronics, medical, aerospace, food hygiene and other industries. With the continuous improvement of the requirements of these industries, especially for biomedical food-grade polymer materials, special emphasis has been placed on silicon rubber. The safety of rubber materials must be harmless to the human body and meet food grade. Most of the vulcanizing agents currently used in the production of silicone rubber materials are traditional peroxide vulcanizing agents, such as 2,4-dichlorobenzoyl peroxide (DCBP, trade name "Double Two Four"), 2,5 -Dimethyl-2,5-di-tert-butylperoxyhexane (DBPMH, trade name also known as "double two five"), etc., this peroxide vulcanizing agent is prone to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K13/06C08J3/24C08L101/02C08L83/04C08K3/36
Inventor 许永现陈石刚丁小卫
Owner SHENZHEN ANPIN SILICONE MATERIAL
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