New siloxane-arylidene sulfone segmented copolymers

被引：8
|
作者：
Racles, C [1 ]
Cozan, V [1 ]
Marcu, M [1 ]
Cazacu, M [1 ]
Vlad, A [1 ]
机构：
[1] Petru Poni Inst Macromol Chem, RO-6600 Iasi, Romania
来源：
EUROPEAN POLYMER JOURNAL | 2000年 / 36卷 / 09期
关键词：
D O I：
10.1016/S0014-3057(99)00252-9
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
New siloxane-sulfone -(AB)n- type segmented copolymers, containing unsaturated units and eater groups in the main chain, were obtained by polycondensation reactions of chloro-terminated arylidene-sulfone macromers and the sodium salt of 1,3-bis(sebacomethyl)tetramethyldisiloxane. The structures of the obtained polymers were confirmed using IR and H-1-NMR spectroscopy and the products were characterized by optical microscopy, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), gel permeation chromatography (GPC), solubility tests and viscosity measurements. The polymers had T-10 values around 300 degrees C, were soluble in aprotic dipolar solvents and showed phase separation in the melt. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1951 / 1957
页数：7
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