The molar mass effect on phase transition of a chiral side chain liquid crystal poly 4 acryloxyloxy undecanoloxy 4′ [ s( ) 2 methylbutyloxyloxy] biphenyl (PA 11) was studied in the present work. The experimental results show that the mesomorphic temperature range depended on the degree of polymerization ( DP ) of polymer. The PA 11 with DP below 7 exhibits an enantiotropic S A mesophase
while polymer with DP over 7 displays both S A and S * C enantiotropic mesophases.Moreover
molar mass distribution has an effect on liquid crystalline behaviour of polymer.
SYNTHESIS AND CHARACTERIZATION OF PHOSPHORUS-CONTAINING LIQUID CRYSTALLINE COPOLYESTERS BASED ON BIPHENYL-4,4'-DICARBOXYLIC ACID
INFLUENCE OF END GROUP ON THE BANDED STRUCTURE OF PLLA SPHERULITES
ELECTROCHEMICAL OXIDATION CROSS-LINKING REACTION OF POLY(FLUORENYLACRYLATE) AND ITS CHARACTERIZATION
EFFECT OF POLYPROPYLENE MOLECULAR WEIGHT ON MICROPOROUS MEMBRANE FORMATION via THERMALLY INDUCED PHASE SEPARATION
STUDY ON HYDROLYTIC DEGRADATION OF POLY(p-DIOXANONE) WITH HIGH MOLECULAR WEIGHT IN VITRO
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Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials Sichuan, Sichuan University