MORPHOLOGY OF POLY(ETHYLENE OXIDE) POLYVINYL ACETATE) BLENDS

被引：42

作者：

SILVESTRE, C ^{[1
]}

KARASZ, FE ^{[1
]}

MACKNIGHT, WJ ^{[1
]}

MARTUSCELLI, E ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT POLYMER SCI & ENGN,AMHERST,MA 01003

来源：

EUROPEAN POLYMER JOURNAL | 1987年 / 23卷 / 10期

关键词：

PLASTICS FILMS - Microscopic Examination - POLYMERS - Morphology;

D O I：

10.1016/0014-3057(87)90118-2

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The morphology of poly(ethylene oxide)/poly(vinyl acetate) (PEO/PVAc) blends was examined using small angle X-ray scattering (SAXS) and optical microscopy. The morphological and structural parameters of the blends are dependent on both composition and crystallization conditions. Optical microscopy revealed that blend samples prepared by solution casting crystallized with volume-filling crystals up to a composition of 30/70 wt% PEO/PVAc; at higher PVAc content there was no evidence of crystallization in the temperature range studied. The morphological and structural properties of the PEO/PVAc blends were attributed to the presence of non-crystallizable material in both the interlamellar and interfibrillar regions.

引用

页码：745 / 751

页数：7

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