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Liquid crystal polymers with terminally 1‐ phenyl −2‐(4‐cyanophenyl)‐ethane substituted side chains
Author(s) -
Spassky N.,
Lacoudre N.,
Le Borgne A.,
Vairon J.P.,
Jun C. L.,
Friedrich C.,
Noël C.
Publication year - 1989
Publication title -
makromolekulare chemie. macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 0258-0322
DOI - 10.1002/masy.19890240128
Subject(s) - trimer , side chain , mesogen , polymer , monomer , moiety , acrylate , polymer chemistry , materials science , acrylate polymer , dimer , polymerization , liquid crystal , radical polymerization , crystallography , chemistry , liquid crystalline , organic chemistry , optoelectronics , composite material
The synthesis of a series of liquid crystalline side‐chain polyacrylates with oligoether spacers and 1‐(4‐benzoyloxyphenyl)‐2‐(4 ‐cyanophenyl)ethane mesogenic moiety is reported. Polymers were prepared by radical polymerization of the corresponding acrylate monomers. The liquid crystalline nature of these polymers was established by calorimetric measurements, optical texture observations and X‐ray investigations. For the polymer with the diethylene oxide spacer (EO dimer), the unusual I‐N‐S Ad ‐N re sequence was observed. For the polymer with the trimer spacer, only “fluid” smectic phases were evidenced.