特种橡胶制品 |
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硫化促进剂O,O'-二辛基二硫代磷酸镨在天然橡胶中的应用 陈朝晖 林新花 刘清亭 王迪珍 摘 要:将自制不含氮元素、硫化过程中不会产生亚硝胺的O,O'-二辛基二硫代磷酸镨(PrDTP-8)用作天然橡胶(NR)的硫化促进剂.结果表明,PrDTP-8对NR具有明显的硫化促进效果;PrDTP-8用量为3.36份,硫化胶的力学性能最佳,即硬度、拉伸强度、撕裂强度、100%定伸应力和300%定伸应力均最大,而拉断伸长率最小.硫化动力学研究表明,含PrDTP-8的混炼胶硫化反应活化能E和频率因子A分别为87.15kJ/mol和2.33E+10. Application of Curing Accelerator-O,O'-dioctyl-praseodymium dithiophosphate to NR CHEN Zhao-hui LIN Xin-hua LIU Qing-ting WANG Di-zhen |
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收稿日期:2006年10月11日 出版日期:2007年4月30日 |