Syntheses and optical properties of polyesters with disperse red 19 by the polycondensation reaction

被引：0
|
作者：
Kim, MR [1 ]
Kim, PS
Kim, HS
Sung, GY
Kim, KH
Ha, CS
Kwak, CH
Lee, JK
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609735, South Korea
[2] Yeungnam Univ, Dept Phys, Kyongsan 712749, South Korea
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2002年 / 377卷
关键词：
polyester; polycondensation reaction; disperse red 19; azobenzene; diffraction efficiency;
D O I：
10.1080/10587250290089112
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We synthesized the polyesters containing azobenzene units in the side chain for data storage materials. The structurally similar polyesters, DR-Est-1, DR-Est-2 and DR-Est-3 were synthesized to compare the optical properties of polyesters with different structure from dihalide in the main chain. The diffraction efficiencies of films were measured as a function of the reaction time. Typically, the diffraction efficiency of the DR-Est-3 film prepared from 4,4'-biphenyldicarbonyl chloride was observed up to a level of 0.4%.
引用
收藏
页码：293 / 296
页数：4
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