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Akademický článek
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Autor:
M. Sonpatki, L.-C. Chien
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 367:545-553
We report the self-assembly of disk-shaped molecules that from lyotropic nematic and cholesteric phases in triphenylene-based thermotropic discotic liquid crystalline compounds. A discotic nematic monomer, which exhibits nematic melt at 103°C and is
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 365:181-188
The synthesis of a novel ferroelectric alkoxythiophene-containing liquid crystal is described together with the mesophase morphology of the material. The alkoxythiophene unit is introduced by a highly efficient ring closure of an appropriate γ-ketoe
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 359:259-267
We studied a liquid crystalline compound of disk-like molecules that has a mesophase in the temperature range 104–180°C. The compound exhibits schlieren textures typical to the discoidal nematic phase within this temperature range. Chemical modifi
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 359:245-257
We studied the distribution of optic axis and alignment of discotic molecules in discotic films with one free surface. The ncmatic structure of the films was fixed by photo-polymerization of discotic monomers. The distribution of optic axis within th
Publikováno v:
Macromolecular Symposia. 154:83-94
The discotic films were prepared by coating the solution of liquid crystalline discotic monomer and initiator onto rubbed polyimide as alignment substrate. Liquid crystalline orientation in films was freezed-in by photo-polymerization (UV light) in n
Publikováno v:
Polymer. 40:4377-4386
3,3′-Bis(4-chloro-1,8-naphthalimido)diphenylsulfone ( 1a ) and 4,4′-bis(4-chloro-1,8-naphthalimido)diphenylsulfone ( 1b ) and model imides have been synthesized and characterized by n.m.r. and i.r. spectroscopies and by d.s.c. The results of the
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 32:2999-3007
Syntheses of segmented copoly(ether-ester)s with (oxy-2-methyl-1,4-phenyleneoxycarbonyl-1,4-phenylene carbonyl)/(oxy-2-chloro-1,4-phenyleneoxycarbonyl-1,4-phenylene carbonyl) (methyl-/chloro-substituted) hard segments and poly(oxytetramethylene) soft
Publikováno v:
Polymer Journal. 26:804-815
Syntheses of segmented copoly(ether-ester)s with (oxy-1,4-phenyleneoxycarbonyl-1,4-phenylenecarbonyl)/(oxy-2-methyl-1,4-phenyleneoxycarbonyl-1,4-phenylenecarbonyl) (methyl series)/(oxy-2-chloro-1,4-phenyleneoxycarbonyl-1,4-phenylenecarbonyl) (chloro