Strong memory of strain-induced copolymer crystallization as revealed by Monte Carlo simulations
Strong memory of strain-induced copolymer crystallization as revealed by Monte Carlo simulations
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蒙特卡罗模拟揭示了应变诱导共聚物结晶的强记忆性
DOI：
10.1016/j.polymer.2016.06.040
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发表时间：
2016-08
期刊：
影响因子：
4.6
通讯作者：
Hu Wenbing
中科院分区：
文献类型：
--
作者：
Guan Xinchao;Gao Huanhuan;Zha Liyun;Wu Yixian;Hu Wenbing
We performed dynamic Monte Carlo simulations of strain-induced crystallization of homopolymer and random copolymers under cyclic loading of strains. We found that since the second loading random copolymers shift down the onset strain of crystallization and raise up the crystallinity, in contrast to homopolymer. We attributed the strong memory to the remaining of sequence-length segregation raised by copolymer crystallization during the first loading of strains. The mechanism is consistent with that for the strong memory of copolymer crystallization under cyclic cooling, as revealed by previous experiments and simulations. Our results showed a new effect of chain-sequence defects on the cyclic loading performance of rubbers.
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