Study on effective storage time of constant viscosity natural rubber

文献类型： 外文期刊

第一作者： Zhang, Beilong

作者： Zhang, Beilong;Deng, Weiyong;Huang, Honghai;Ding, Li;Wang, Yongzhou;Wang, Ping-yue

作者机构：

关键词： rubber;constant viscosity rubber;aging;DSC;activation energy;effective storage time

期刊名称：ADVANCES IN CHEMICAL ENGINEERING, PTS 1-3

ISSN： 1022-6680

年卷期： 2012 年 396-398 卷

页码：

收录情况： SCI

摘要： The effective storage time (i.e. storage life) of constant viscosity natural rubbers prepared with hydroxylamine hydrochloride, hydroxylammonium sulphate, hydrazine hydrate, aniline and semicarbazide hydrochloride respectively were investigated with heat accelerated storage aging combined with differential scanning calorimeter(DSC) method as well as the heat aging life equation. The results show that the effective storage time of constant viscosity natural rubber prepared with hydroxylamine hydrochloride is 19.2 years at 30 degrees C, 39.4 years at 25 degrees C and 82.9 years at 20 degrees C. The effective storage time of constant viscosity natural rubber prepared with hydroxylammonium sulphate is 16.3 years at 30 degrees C, 32.6 years at 25 degrees C and 66.5 years at 20 degrees C. The effective storage time of constant viscosity natural rubber prepared with hydrazine hydrate is 42.5 years at 30 degrees C, 85.9 years at 25 degrees C and 177.9 years at 20 degrees C. The effective storage time of constant viscosity natural rubber prepared with aniline is 30.4 years at 30 degrees C, 66.7 years at 25 degrees C and 150.2 years at 20 degrees C. The effective storage time of constant viscosity natural rubber prepared with semicarbazide hydrochloride is 13.5 years at 30 degrees C, 27.4 years at 25 degrees C and 57.1 years at 20 degrees C.

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