HYBRID LIQUID-CRYSTALLINE BLOCK-COPOLYMERS WITH POLYSTYRENE AND POLYESTER BLOCKS

被引：9

作者：

GALLI, G

CHIELLINI, E

LAUS, M

ANGELONI, AS

BIGNOZZI, MC

FRANCESCANGELI, O

机构：

[1] UNIV BOLOGNA,DIPARTIMENTO CHIM IND & MAT,I-40136 BOLOGNA,ITALY

[2] UNIV ANCONA,DIPARTIMENTO SCI MAT & TERRA,I-60131 ANCONA,ITALY

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 254卷

关键词：

D O I：

10.1080/10587259408036091

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The synthesis and some thermal and dynamic mechanical properties of four series of liquid-crystalline block copolymers, comprising polystyrene and polyester blocks, are described. Within each series, the smectic C-nematic and nematic-isotropic transition temperatures of the polyester block were constant throughout the whole composition range, and the enthalpies of both phase transitions were directly proportional to the composition. The two blocks were incompatible in the glass and melt phases and underwent their individual phase transitions.

引用

页码：429 / 443

页数：15

共 22 条

[1]

ADAMS J, 1989, MAKROMOL CHEM-RAPID, V10, P553

[2]

ANGELONI AS, INP RESS POLYM B BER

[3] SEMIFLEXIBLE LIQUID-CRYSTALLINE POLYESTERS BASED ON TWIN DI(PARA-OXYBENZOYL) UNITS - SYNTHESIS AND CHARACTERIZATION [J].

CHIELLINI, E ;

GALLI, G ;

LAUS, M ;

ANGELONI, AS ;

FRANCESCANGELI, O ;

YANG, B .

JOURNAL OF MATERIALS CHEMISTRY, 1992, 2 (04) :449-454

[4]

CHIELLINI E, IN PRESS MAKROMOL CH

[5]

EDELMANN D, 1993, MAKROMOL CHEM, V194, P1183

[6]

FRANCESCANGELI O, 1993, LIQ CRYST, V3, P353

[7]

GALLI G, 1993, MAKROMOL CHEM-RAPID, V14, P185

[8]

GALLI G, IN PRESS MAKROMOL CH

[9]

HAM GE, 1967, KINETICS MECHANISM 1

[10]

HEFFT M, 1990, MAKROMOL CHEM-RAPID, V11, P397

← 1 2 3 →