聚合科学学院研究

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重构二维半片段

文档类型

条形图

发布日期

2007年

抽象性

由非生物聚合物制作的侧链液晶状聚合物(SCLCPs)与低摩尔质量液晶体广相转换立即在 sclCP文献中因多量分子量而被排除For example, when poly[11-(4'-cyanophenyl-4"-phenoxy)undecyl acrylate] was prepared by a conventional radical polymerization and then fractionated,1 each of the fractions underwent a narrower smectic A to isotropic transition (full widths at half maximum peak intensity (fwhm) = 6.25 – 10.71 o C) than the unfractionated polymer (fwhm = 17.0 o C).2 However, we have provided evidence that the broad smectic A to isotropic (sA - i) phase transition of this polymer is due to the limited miscibility of a mixture of linear and variously branched structures, which is consistent with its chain transfer constant to polymer (Cp = 5.48 x 10-3).3 The fwhm of the isotropization biphasic region of 1:1 binary blends of individual molecular architectures of poly[11-(4'-cyanophenyl-4"-phenoxy)undecyl acrylate]s increases relatively linearly with the difference in end group densities of the two components, regardless of the combination of topologies or the type of end groups.

出版物标题

聚合器预印

卷积

48号

问题

2

第一页

791

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