Unique Banded Cylindrites of Polyoxymethylene/Poly(butylene succinate) Blends Induced by Interfacial Shear
Unique Banded Cylindrites of Polyoxymethylene/Poly(butylene succinate) Blends Induced by Interfacial Shear
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界面剪切诱导的聚甲醛/聚丁二酸丁二醇酯共混物的独特带状柱晶
DOI：
10.1021/acsapm.9b00658
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发表时间：
2019-09
影响因子：
5
通讯作者：
Zhong-Ming Li
中科院分区：
文献类型：
--
作者：
Wen-Jing Sun;Wei Liu;Yue Ren;Xiaran Miao;Ling Xu;Gan-Ji Zhong;Jun Lei;Fenggang Bian;Jia-Zhuang Xu;Zhong-Ming Li
Unique banded cylindrites of polyoxymethylene/poly(butylene succinate) blends were induced by the intense interfacial shear, which was applied by pulling a single glass fiber (GF) with non-nucleation ability. The crystalline morphology and structure of banded cylindrites were quantitively correlated with the shear rates to provide revealing insights in shear-induced nucleation and lamellar assembly. Densely packed row-nuclei emerged on the surface of pulled GF and the nucleation density increased dramatically with the shear rate. The subsequent lamellar extension and twisting were restricted perpendicularly to the GF axis, resulting in the formation of banded cylindrites. As the shear rate increased, the band spacing showed a linear decrease and the eccentricity of elliptical bands showed a linear increase. It was attributed to the augment of unbalanced surface stress caused by steric hindrance of serried nuclei. While the growth rate of banded cylindrites remained constant regardless of the shear rate, s...
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影响因子：
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通讯作者：
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5.5
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影响因子：
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