PHASE-SEPARATION IN BLENDS OF 2 HOMOPOLYMERS AND A DIBLOCK COPOLYMER DURING FILM CASTING

被引：8

作者：

LOWENHAUPT, B ^{[1
]}

HELLMANN, GP ^{[1
]}

机构：

[1] DEUTSCH KUNSTSTOFF INST,SCHLOSSGARTENSTR 6,D-64289 DARMSTADT,GERMANY

来源：

COLLOID AND POLYMER SCIENCE | 1994年 / 272卷 / 02期

关键词：

POLYMER BLENDS; BLOCK COPOLYMERS; PHASE MORPHOLOGIES;

D O I：

10.1007/BF00658838

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：

Demixing during film casting of blends of polystyrene, polymethylmethacrylate, and a symmetric diblock copolymer of styrene and methylmethacrylate is discussed. The concentration fluctuations in the homogeneous solutions were calculated in mean field approximation. The structures in the homogeneous and demixed solutions and in the dry films were measured by small-angle x-ray scattering, and the morphologies of the dry films were characterized by transmission electron microscopy. The structure of the dry blends is evidently already pre-formed in solution.

引用

页码：121 / 129

页数：9

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