NEMATIC, SMECTIC AND COLUMNAR PHASES OF MAIN-CHAIN LIQUID-CRYSTAL POLYETHERS

被引:14
作者
UNGAR, G
ZHOU, JP
PERCEC, V
CHU, PW
机构
[1] UNIV SHEFFIELD,CTR MOLEC MED,SHEFFIELD S1 4DU,S YORKSHIRE,ENGLAND
[2] CASE WESTERN RESERVE UNIV,DEPT MACROMOLEC SCI,CLEVELAND,OH 44106
关键词
D O I
10.1002/masy.19950980183
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A number of interesting thermotropic mesophases and transitions occur in main-chain polyethers and copolyethers based on aliphatic spacers and various semi-flexible mesogens of the general 1-(4-hydroxyphenyl)-2-(2-R-4-hydroxyphenyl)ethane (RBPE) or 1-(4'-hydroxybiphenyl-4-yl)-2-(4-hydroxyphenyl)propane (TPP) type. The unusual effects described here are (i) nematic-nematic transition, (ii) smectic-B (crystal-B) phase and its shear-induced orientation, (iii) calamitic columnar phase, and (iv) nematic-columnar phase sequence.
引用
收藏
页码:951 / 966
页数:16
相关论文
共 46 条
[11]  
LI JF, 1993, PHYS REV E, V48, P21
[12]  
MALTHETE J, 1985, J PHYS LETT-PARIS, V46, pL875, DOI 10.1051/jphyslet:019850046018087500
[13]  
MALTHETE J, 1986, COMPT REND ACAD SC 2, V303, P673
[14]   TOWARDS TOBACCO MOSAIC VIRUS-LIKE SELF-ASSEMBLED SUPRAMOLECULAR ARCHITECTURES [J].
PERCEC, V ;
HECK, J ;
JOHANSSON, G ;
TOMAZOS, D ;
UNGAR, G .
MACROMOLECULAR SYMPOSIA, 1994, 77 :237-265
[15]   LIQUID-CRYSTALLINE POLYETHERS BASED ON CONFORMATIONAL ISOMERISM .10. SYNTHESIS AND DETERMINATION OF THE VIRTUAL MESOPHASES OF POLYETHERS BASED ON 1-(4-HYDROXYPHENYL)-2-(2-METHYL-4-HYDROXYPHENYL)ETHANE AND ALPHA,OMEGA-DIBROMOALKANES CONTAINING FROM 17 TO 20 METHYLENE UNITS [J].
PERCEC, V ;
TSUDA, Y .
MACROMOLECULES, 1990, 23 (14) :3509-3520
[16]   LIQUID-CRYSTALLINE POLYETHERS BASED ON CONFORMATIONAL ISOMERISM .33. THERMOTROPIC POLYETHERS BASED ON A MESOGENIC GROUP CONTAINING RIGID AND FLEXIBLE UNITS - 1-(4'-HYDROXYBIPHENYL-4-YL)-2-(4-HYDROXYPHENYL)PROPANE [J].
PERCEC, V ;
CHU, PW ;
UNGAR, G ;
CHENG, SZD ;
YOON, Y .
JOURNAL OF MATERIALS CHEMISTRY, 1994, 4 (05) :719-727
[17]   MOLECULAR RECOGNITION DIRECTED SELF-ASSEMBLY OF SUPRAMOLECULAR CYLINDRICAL CHANNEL-LIKE ARCHITECTURES FROM 6,7,9,10,12,13,15,16-OCTAHYDRO-1,4,7,10,13-PENTAOXABENZOCYCLOPENTADECEN-2-YLMETHYL 3,4,5-TRIS(P-DODECYLOXYBENZYL-OXY)BENZOATE [J].
PERCEC, V ;
JOHANSSON, G ;
HECK, J ;
UNGAR, G ;
BATTY, SV .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1993, (13) :1411-1420
[18]   THE INFLUENCE OF THE COMPLEXATION OF SODIUM AND LITHIUM TRIFLATE ON THE SELF-ASSEMBLY OF TUBULAR-SUPRAMOLECULAR ARCHITECTURES DISPLAYING A COLUMNAR MESOPHASE BASED ON TAPER-SHAPED MONOESTERS OF OLIGOETHYLENE OXIDE WITH 3,4,5-TRIS[P-(N-DODECAN-1-YLOXY)BENZYLOXY]BENZOIC ACID AND OF THEIR POLYMETHACRYLATES [J].
PERCEC, V ;
HECK, JA ;
TOMAZOS, D ;
UNGAR, G .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1993, (12) :2381-2388
[19]   SELF-ASSEMBLY OF TAPER-SHAPED MONOESTERS OF OLIGO(ETHYLENE OXIDE) WITH 3,4,5-TRIS(P-DODECYCLOXYBENZYLOXY)BENZOIC ACID AND OF THEIR POLYMETHACRYLATES INTO TUBULAR SUPRAMOLECULAR ARCHITECTURES DISPLAYING A COLUMNAR MESOPHASE [J].
PERCEC, V ;
HECK, J ;
TOMAZOS, D ;
FALKENBERG, F ;
BLACKWELL, H ;
UNGAR, G .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1993, (22) :2799-2811
[20]   SELF-ASSEMBLY OF TAPER-SHAPED MONOESTERS OF OLIGO(ETHYLENE OXIDE) WITH 3,4,5-TRIS(N-DODECAN-1-YLOXY)BENZOIC ACID AND OF THEIR POLYMETHACRYLATES INTO TUBULAR SUPRAMOLECULAR ARCHITECTURES DISPLAYING A COLUMNAR HEXAGONAL MESOPHASE [J].
PERCEC, V ;
TOMAZOS, D ;
HECK, J ;
BLACKWELL, H ;
UNGAR, G .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1994, (01) :31-44