New arylidene-siloxane polyesters

被引：10
|
作者：
Racles, C [1 ]
Cozan, V [1 ]
Cazacu, M [1 ]
机构：
[1] Petru Poni Inst Macromol Chem, Iasi 6600, Romania
来源：
HIGH PERFORMANCE POLYMERS | 2003年 / 15卷 / 03期
关键词：
siloxane; arylidene polyesters; liquid crystalline;
D O I：
10.1177/0954008303015003001
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-containing polyesters with arylidene mesogenic moieties were prepared by copoly-condensation reactions between bis(hydroxybuthyl)siloxanes, 2,6-bis(4-hydroxybenzylidene)cyclohexanone, and diacid chlorides such as sebacoyl and terephthaloyl. The polymer structure was confirmed by IR and H-1-NMR spectroscopy They were characterized by gel permeation chromatography and ultraviolet analyses. The thermotropic liquid crystalline behavior was investigated by differential scanning calorimetry and polarized optical microscopy.
引用
收藏
页码：231 / 242
页数：12
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