CRYSTALLIZATION OF MICROPHASE-SEPARATED BLOCK COPOLYMERS WITH 2 CRYSTALLIZING BLOCKS

被引：13

作者：

GODOVSKY, YK

YANUL, NA

BESSONOVA, NP

机构：

[1] Karpov Institute of Physical Chemistry, Moscow K-64, 103064

来源：

COLLOID AND POLYMER SCIENCE | 1991年 / 269卷 / 09期

关键词：

SEPARATION; GLASS TRANSITION; CRYSTALLIZATION; POLYMER BLENDS; CRITICAL TEMPERATURES;

D O I：

10.1007/BF00657307

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Statistical poly block copolymers of polyamide with polyethyleneoxide are investigated. The regularities governing the formation of their phase structure depending on the composition, temperature, and prehistory of the system are established. The character of crystallization of both blocks is shown to be due to their mutual solubility in the melt. Some peculiarities of microphase crystallization in PA/PEO block copolymers are revealed. It is found that, depending on the character of phase separation in the system, a PEO block may be crystallized either unimodally or in two well-separated temperature ranges.

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页码：901 / 915

页数：15

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