Microphase separation in oxyethylene/oxybutylene copolymers with diblock and triblock architectures

被引：0

作者：

Chaibundit, C ^{[1
]}

Mingvanish, W

Turner, SC

Mai, SM

Fairclough, JPA

Ryan, AJ

Matsen, MW

Booth, C

机构：

[1] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England

[2] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England

[3] Univ Reading, Dept Phys, Reading RG6 6AF, Berks, England

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2000年 / 21卷 / 14期

关键词：

D O I：

10.1002/1521-3927(20000901)21:14<964::AID-MARC964>3.0.CO;2-7

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

EBE and BEB triblock copolymers were prepared and characterized. Microphase separation in the melt state was studied, and the results combined with those for EB and BEB copolymers reported previously. The microphase separation temperature (MST) was determined from the temperature dependence of SAXS. There was a large difference in MST between the diblock and triblock copolymers as expected from theory. The Flory-Huggins parameter (chi) was independent of block architecture for all three series provided that the E block lengths in the EBE copolymers exceeded 65.

引用

页码：964 / 967

页数：4

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