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授权公告号:CN 105524014B授权公告日:2017年5月24日专利权人:蔚林新材料科技股份有限公司发明人:史宗浩、屈军伟、李宏喜等本发明公开了一种橡胶硫化促进剂2-巯基苯并噻唑的精制方法。首先向反应釜中加入复合溶剂,开启搅拌及回流,然后将常规高压法合成的2-巯基苯并噻唑粗品加入反应釜中,升温
Authorized document number: CN 105524014B Authorized public date: May 24, 2017 Patentee: Weilin New Material Technology Co., Ltd. Inventors: Shi Zonghao, Qu Junwei, Li Hongxi, etc. The present invention discloses a rubber vulcanization accelerator 2- Purification of mercaptobenzothiazole. First, the reaction mixture was added to the reactor, open the stirring and refluxing, and then the conventional high-pressure synthesis of 2-mercaptobenzothiazole crude was added to the reactor, warming