アミノメチルチオ型加硫促進剤の作用機構

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書誌事項

タイトル別名
  • REACTION MECHANISM OF AMINOMETHYLTHIO TYPE ACCELERATOR
  • アミノメチルチオガタカリュウソクシンザイ ノ サヨウ キコウ

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抄録

Oxydiethyleneaminomethyl-2-thiobenzothiazole (I) was prepared as a representative of aminomethylthio type accelerator. By utilizing diphenylmethane (DPM) as a model of rubber hydrocarbon, reaction of I with DPM, the same reaction in the presence of sulfur and reaction involving I, DPM, sulfur and zinc butyrate were carried out and compared with those of the sulfenamide type accelerator under the corresponding condition. The first step of the reaction of I was found to be its homolytic dissociation into benzothizaole-sulfenyl radical and amine radical etc. Further mechanisms were also deduced to interpret the products in each reaction.

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