SYNTHESIS AND CHARACTERIZATION OF LIQUID-CRYSTALLINE MONOMERS AND SIDE-CHAIN POLYMERS CONTAINING DIPHENYLDIACETYLENE MESOGENS

被引:4
作者
LU, YH
HSU, CS
WU, ST
机构
[1] NATL CHIAO TUNG UNIV,DEPT APPL CHEM,HSINCHU 30050,TAIWAN
[2] HUGHES RES LABS,MALIBU,CA 90265
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1993年 / 225卷
关键词
D O I
10.1080/10587259308036212
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Nine unsymmetrically diphenyldiacetylenic monomers were prepared. The phase behavior as well as thermal polymerization of the obtained monomers were characterized by optical polarizing microscopy and DSC measurement. UV absorption, refractive indices and dielectric constants of the monomers were also measured. The olefinic monomers were subjected to undergo hydrosilylation reaction with poly(methylhydrogensiloxane) to form the polysiloxanes. Thermal behavior of the prepared polysiloxanes were studied.
引用
收藏
页码:1 / &
相关论文
共 21 条
[1]  
Chodkiewicz W., 1957, ANN CHIM FRANCE, V2
[2]  
CLARK MG, 1980, J PHYS D, V13, P2154
[3]  
COREY EJ, 1972, TETRAHEDRON LETT, V36, P3769
[4]  
FINKELMANN V, 1984, ADV POLYM SCI, V63, P91
[5]   DIACETYLENIC LIQUID-CRYSTALS - SYNTHESIS AND PRELIMINARY CHARACTERIZATION OF 4,4'-DIALKYL AND 4,4'-DIALKOXY DERIVATIVES OF DIPHENYLDIACETYLENE [J].
GRANT, B .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1978, 48 (3-4) :175-182
[6]  
GRANT B, 1979, MOL CRYST LIQ CRYST, V51, P209, DOI 10.1080/00268947908084707
[7]  
HARDY G, 1988, NEW POLYM MATER, V1, P209
[8]   LIQUID-CRYSTALLINE POLYMERS CONTAINING HETEROCYCLOALKANE MESOGENS .2. SIDE-CHAIN LIQUID-CRYSTALLINE POLYSILOXANES CONTAINING 2,5-DISUBSTITUTED-1,3-DIOXANE MESOGENS [J].
HSU, CS ;
RODRIGUEZPARADA, JM ;
PERCEC, V .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 1987, 25 (09) :2425-2445
[9]   Coordination compounds of platinous halides with unsaturated (ethylene) substances [J].
Kharasch, MS ;
Ashford, TA .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1936, 58 :1733-1738
[10]   THERMOTROPIC DIACETYLENIC LIQUID-CRYSTALS [J].
MILBURN, GHW ;
CAMPBELL, C ;
SHAND, AJ ;
WERNINCK, AR .
LIQUID CRYSTALS, 1990, 8 (05) :623-637