Study on Properties and Cross-Linking Structure of NR Dried by Microwave

文献类型： 外文期刊

第一作者： Wang Yong-zhou

作者： Wang Yong-zhou;Zhang Fu-quan;Chen Mei;Lv Ming-zhe;Huang Hong-hai

作者机构： CATAS, Agr Prod Proc Res Inst, Minist Agr, Key Lab Trop Crops Proc, Zhanjiang 524001, Guangdong, Peoples R China

关键词： NR;microwave drying;property;cross-linking density

期刊名称：ADVANCED MATERIALS AND STRUCTURES, PTS 1 AND 2

ISSN： 1022-6680

年卷期： 2011 年 335-336 卷

页码：

收录情况： SCI

摘要： In this work, the cross-linking density and frequency sweep, temperature sweep of NR dried by microwave were tested by using nuclear magnetic resonance spectrometer (NMR) and rubber process analyzer (RPA), respectively. And the test results were compared with those of NR dried by hot-air. The results showed that the cross-linking density and A(Mc) for NR dried by microwave were bigger than those for NR dried by hot-air, but the A(T2) of latter was bigger; the frequency sweep results showed that the elastic modulus of NR dried by hot-air increased slower with the increase of frequency than those of NR dried by microwave, and the tan delta of NR dried by hot-air decreased with the increase of frequency slower than those of NR dried by microwave in low frequency phase, respectively; the temperature sweep results showed that the elastic modulus of NR dried by hot air were smaller compared with those of NR dried by microwave in the entire scanning process, but, the tan delta value of former was bigger.

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