Zinc active agent composition for rubber vulcanization

A zinc activator and rubber vulcanization technology, applied in the field of rubber vulcanization activator, can solve the problems of pollution, weaken the physical properties of cured rubber, etc., and achieve the effect of low zinc content

Inactive Publication Date: 2012-11-14
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as described by Thomas W. Wilson III in Patent Publication CN102271546A, excessive cationic components such as ZnO in the vulcanizate tend to weaken the physical properties of the vulcanizate, and in addition, zinc tends to separate out from the vulcanizate over time, This can lead to pollution problems

Method used

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Examples

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Embodiment 1

[0013] The zinc active agent composition includes 20% magnesium phthalate, 10% magnesium terephthalate, and 70% zinc terephthalate.

Embodiment 2

[0015] The zinc active agent composition includes 10% calcium phthalate, 10% magnesium terephthalate, and 80% zinc terephthalate.

Embodiment 3

[0017] The zinc active agent composition includes 10% magnesium 1,2,4-benzenetricarboxylate, 30% magnesium terephthalate, and 60% zinc terephthalate.

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PUM

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Abstract

The invention discloses a zinc active agent composition for rubber vulcanization. The zinc active agent composition comprises an aromatic compound with a plurality of COOH groups, wherein part of the COOH groups of the compound is neutralized by zinc. The zinc active composition comprises a mixture of the aromatic compounds with single or a plurality of-COOH groups, as well as zinc salt mixture of the aromatic compounds, wherein the content of the zinc salt compound is 20-100%. In comparison with the zinc oxide used as the rubber vulcanization activator, the zinc active agent composition disclosed by the invention has low zinc content, and the zinc active agent composition used as a vulcanization activator has the same effect as the conventional zinc oxide.

Description

【Technical field】 [0001] The invention relates to the technical field of rubber vulcanization activators, in particular to a zinc activator composition for rubber vulcanization. 【Background technique】 [0002] The vulcanization activator commonly used in rubber vulcanization systems is zinc oxide. During the vulcanization process, zinc oxide can react with accelerators, sulfur, stearic acid, rubber macromolecular chains and corresponding intermediate products. Zinc oxide is used as a vulcanization activator, mainly for the formation of chemical crosslinks The speed, type and quantity of cross-linking bonds have important influences, thereby increasing the degree of cross-linking of the vulcanizate. Due to the high affinity of zinc oxide to electrons and the strong ability to adsorb accelerators, under the action of stearic acid, zinc salts of accelerators soluble in rubber are generated, thereby improving their solubility, and forming a kind of accelerator with amines or fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K5/098C08K5/00C08L21/00
Inventor 刘够生
Owner EAST CHINA UNIV OF SCI & TECH
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