Effect of Spacer Length on the Thermal Properties of Side-Chain Liquid Crystal Polymethacrylates. 2. Synthesis and Characterization of the Poly[.omega.-(4'-cyanobiphenyl-4-yloxy)alkyl methacrylate]s

1995 ◽  
Vol 28 (10) ◽  
pp. 3617-3624 ◽  
Author(s):  
Aileen A. Craig ◽  
Corrie T. Imrie
Keyword(s):  
Thermal Properties ◽  
Liquid Crystal ◽  
Side Chain ◽  
Synthesis And Characterization ◽  
Alkyl Methacrylate ◽  
Spacer Length

Synthesis and Properties of Functionalized Sulfur-Containing Hexa-Peri-Hexabenzocoronene

2015 ◽  
Vol 1088 ◽  
pp. 290-294
Author(s):  
Ying Wang ◽  
Wen Guang Wang ◽  
Rui Cheng ◽  
Jia Ling Pu
Keyword(s):  
Thermal Properties ◽  
Liquid Crystal ◽  
Absorption Spectra ◽  
Synthesis And Characterization ◽  
Discotic Liquid Crystal ◽  
Matrix Surface ◽  
Sulfur Containing ◽  
Columnar Spacing

Synthesis and characterization of a novel hexabenzocoronene (HBC) derivative attached with four alkyl swallow-tailed chains and two sulfur-containing chains are described. The designed peripheral decoration with dove tails as solubilizer and sulfur-containing groups as functionalizer is expected to improve the solubility of molecules, change the columnar spacing stacks and make for its orientation on matrix surface. Its UV−vis absorption spectra appeared in 350-400 nm region as same as typical that of this kind of compounds. The thermal properties as discotic liquid crystal and its orientation on matrix are being studied.

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