Formation of mesophases based on micro-segregation:: columnar liquid-crystalline phases of first generation dendrimers with perfluorinated segments

被引:62
作者
Pegenau, A
Cheng, XH
Tschierske, C
Göring, P
Diele, S
机构
[1] Univ Halle, Inst Organ Chem, D-06120 Halle, Germany
[2] Univ Halle, Inst Phys Chem, D-06118 Halle, Germany
关键词
D O I
10.1039/a901990a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Tetrahedral pentaerythritol tetrabenzoates with semi-fluorinated alkyl chains have columnar liquid-crystalline phases with dramatically enhanced mesophase stabilities compared to the parent hydrocarbon derivatives.
引用
收藏
页码:465 / 467
页数:3
相关论文
共 18 条
[1]   Induction of smectic layering in nematic liquid crystals using immiscible components .1. Laterally attached side-chain liquid crystalline poly(norbornene)s and their low molar mass analogs with hydrocarbon/fluorocarbon substituents [J].
Arehart, SV ;
Pugh, C .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (13) :3027-3037
[2]   FLUOROALKYLATED DISCOTIC LIQUID-CRYSTALS [J].
DAHN, U ;
ERDELEN, C ;
RINGSDORF, H ;
FESTAG, R ;
WENDORFF, JH ;
HEINEY, PA ;
MALISZEWSKYJ, NC .
LIQUID CRYSTALS, 1995, 19 (06) :759-764
[3]   Liquid crystalline phases of perfluorinated compounds with segregated sublayers [J].
Diele, S ;
Lose, D ;
Kruth, H ;
Pelzl, G ;
Guittard, F ;
Cambon, A .
LIQUID CRYSTALS, 1996, 21 (05) :603-608
[4]  
DOI T, 1991, J MATER CHEM, V1, P169, DOI 10.1039/jm9910100169
[5]   LIQUID-CRYSTALLINE BEHAVIOR OF MOLECULES WITH TETRAHEDRAL SYMMETRY [J].
EIDENSCHINK, R ;
KREUZER, FH ;
DEJEU, WH .
LIQUID CRYSTALS, 1990, 8 (06) :879-884
[6]   Fluorophobic effect in the self-assembly of polymers and model compounds containing tapered groups into supramolecular columns [J].
Johansson, G ;
Percec, V ;
Ungar, G ;
Zhou, JP .
MACROMOLECULES, 1996, 29 (02) :646-660
[7]   Carbosilane dendrimers with perfluoroalkyl end groups. Core-shell macromolecules with generation-dependent order [J].
Lorenz, K ;
Frey, H ;
Stuhn, B ;
Mulhaupt, R .
MACROMOLECULES, 1997, 30 (22) :6860-6868
[8]  
Malthete J, 1996, NEW J CHEM, V20, P925
[9]   ROD-LIKE MESOGENS WITH ANTIPATHETIC FLUOROCARBON AND HYDROCARBON TAILS [J].
NGUYEN, HT ;
SIGAUD, G ;
ACHARD, MF ;
HARDOUIN, F ;
TWIEG, RJ ;
BETTERTON, K .
LIQUID CRYSTALS, 1991, 10 (03) :389-396
[10]   Liquid crystalline tetrahedra and low-aspect ratio organic materials [J].
Pegenau, A ;
Goring, P ;
Diele, S ;
Tschierske, C .
LIQUID CRYSTALS: CHEMISTRY AND STRUCTURE, 1998, 3319 :70-73