Morphology and surface properties of side-chain modified polysulfones

被引：16
|
作者：
Racles, C
Ioanid, A
Tóth, A
Cazacu, M
Cozan, V
机构：
[1] Petru Poni Inst Macromol Chem, Inorgan Polymers, RO-700487 Iasi, Romania
[2] Hungarian Acad Sci, Chem Res Ctr, H-1525 Budapest, Hungary
来源：
POLYMER | 2004年 / 45卷 / 12期
关键词：
modified polysulfones; morphology; surface composition;
D O I：
10.1016/j.polymer.2004.04.013
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Two series of modified polysulfones containing siloxane-aliphatic pendant moieties were analysed by optical microscopy, transmission electron microscopy, electron diffraction, contact angles measurements and X-ray photoelectron spectroscopy (XPS or ESCA), in order to establish the microstructure and surface properties. All samples exhibited biphasic bulk morphology due to a crystallization tendency induced by the pendant moiety, and silicon enriched surface irrespective of the substitution degree. The values of the surface tension calculated from contact angle measurements were in agreement with the hypothesis of surface enrichment. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4275 / 4283
页数：9
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