文献类型： 外文期刊
作者： Zhang, Bei L. 1 ; Huang, Hong H. 1 ; Wang, Yong Z. 1 ; Ding, Li 1 ; Liang, Yue 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, POB 318, Zhanjiang 524001, Peoples R China
关键词： Natural rubber; Non-rubber substances; Structure; Property
期刊名称：JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS （ 影响因子：5.541； 五年影响因子：5.259 ）
ISSN： 0165-2370
年卷期： 2018 年 134 卷
页码：
收录情况： SCI
摘要： The molecular structure, mechanical property and dynamic mechanics performance of highly purified natural rubber (highly purified NR) were studied. The FTIR results showed that there was no stretching vibration absorption peak of N-H group on 3280 cm(-1) and vibration compound peak of C-N group and N-H group in amide group on 1540 cm(-1) in highly purified NR compared to natural rubber (NR). The pyrolytic products of highly purified NR are less than that of NR. The main pyrolytic products of highly purified NR are limonene, 1,3-pentadiene and 4-ethenyl-1,4-dimethyl-cyclohexene, which contained 58.98% of the total pyrolytic products by mass fraction. Curing time t(90) of highly purified NR prolonged, and crosslinking density and tensile strength decreased. Elongation at break increased and anti-aging performance significantly decreased compared to NR. Dynamic mechanics performance of highly purified NR is rather different from that of NR.
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