CHARACTERIZATION OF COMPOSITIONAL HETEROGENEITY OF SEGMENTED COPOLYMERS BY GPC TECHNIQUE*

XU Mao; YE Meiling; SHI Lianghe; ZHU Chu; MA Dezhu; LUO Xiaolie

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CHARACTERIZATION OF COMPOSITIONAL HETEROGENEITY OF SEGMENTED COPOLYMERS BY GPC TECHNIQUE*

Papers | Updated：2021-06-21

- CHARACTERIZATION OF COMPOSITIONAL HETEROGENEITY OF SEGMENTED COPOLYMERS BY GPC TECHNIQUE*
- Vol. 3, Issue 1, Pages: 63-67(1985)
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- Published：20 March 1985
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XU Mao, YE Meiling, SHI Lianghe, et al. CHARACTERIZATION OF COMPOSITIONAL HETEROGENEITY OF SEGMENTED COPOLYMERS BY GPC TECHNIQUE*[J]. 1985, 3(1): 63-67.
DOI：

XU Mao, YE Meiling, SHI Lianghe, et al. CHARACTERIZATION OF COMPOSITIONAL HETEROGENEITY OF SEGMENTED COPOLYMERS BY GPC TECHNIQUE*[J]. 1985, 3(1): 63-67. DOI：

摘要

The GPC technique with two detectors has been used to study the heterogeneity in compositionthard segment content) of a series of polyethylene terephthalate/polycaprolactone segmented copoly-mers. Improvement in data treatment has been made to avoid the difficulty resulted from the lake of low molecular weight hard segment homopolymers. Results show that for each sample the moleculesof larger coil size in CHCI3 usually have higher hard segment content. A parameter

the average deviation of hard segment content

has been proposed to characterize the heterogeneity in composition of the samples.It is found that the heterogeneity of the samples increases with increasing their average hard segment content.

Abstract

the average deviation of hard segment content

has been proposed to characterize the heterogeneity in composition of the samples.It is found that the heterogeneity of the samples increases with increasing their average hard segment content.

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