A kind of tetrabenzylthiuram monosulfide and its preparation method and application

A technology of tetrabenzylthiuram and carbon disulfide, which is applied in the direction of organic chemistry, can solve the problems of internal quality and "green" environmental protection technology gap, etc., and achieve the effects of good scorch safety, high melting point, and good rapid vulcanization performance
CN106316905BActive Publication Date: 2018-03-30SHANDONG YANGGU HUATAI CHEM
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG YANGGU HUATAI CHEM
Publication Date
2018-03-30

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Abstract

The invention discloses sulfide tetrabenzyl thiuram and a preparation method and application thereof. The preparation method comprises the following steps: enabling dibenzylamine, sodium hydroxide and carbon disulfide to react in a solvent to generate an intermediate sodium dibenzyldithiocarbamape, then oxidizing the sodium dibenzyldithiocarbamape into the disulfide tetrabenzyl thiuram by use of hydrogen peroxide, and then desulfurizing the disulfide tetrabenzyl thiuram by use of hydrogen to obtain the sulfide tetrabenzyl thiuram. The sulfide tetrabenzyl thiuram disclosed by the invention is high in purity, high in melting point, and white in appearance, the vulcanization rate can be obviously accelerated, the sulfide tetrabenzyl thiuram can express good scorching security and fast vulcanization performance whether to increase the vulcanization temperature and change the sulfur dosage or to add the white carbon black, and the use of the sulfide tetrabenzyl thiuram has no bad influence to the physical performance of the sulfide rubber.
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Description

technical field

[0001] The invention relates to tetrabenzylthiuram monosulfide, and also relates to a low-cost, environmentally-friendly preparation method of the product and the application of the product as a rubber additive, belonging to the technical field of fine chemicals. Background technique

[0002] In recent years, with the rapid development of the rubber processing industry, the rapid development of the domestic automobile industry and communication industry has driven the rapid growth of the rubber processing industry and provided unprecedented good opportunities for the development of the rubber additives industry. Since my country's accession to the WTO, although the production of rubber accelerator products in China has been greatly improved, compared with foreign developed countries, there is still a big gap in product intrinsic quality and "green" environmental protection technology. In particular, the international community has increasingly paid attention ...

Claims

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