A STUDY ON LOW MOLECULAR WEIGHT AND THERMOTROPIC LIQUID CRYSTALS OF AROMATIC COPOLYESTERS BASED ON P-HYDROXYBENZOIC ACID TEREPHTHALIC ACID AND BISPHENOL A
WU Da-cheng, LIU Yi-bin, LI Rui-xia, XIE kin-guang. A STUDY ON LOW MOLECULAR WEIGHT AND THERMOTROPIC LIQUID CRYSTALS OF AROMATIC COPOLYESTERS BASED ON P-HYDROXYBENZOIC ACID TEREPHTHALIC ACID AND BISPHENOL A[J]. Acta Polymerica Sinica, 1994,(4):405-412.
WU Da-cheng, LIU Yi-bin, LI Rui-xia, XIE kin-guang. A STUDY ON LOW MOLECULAR WEIGHT AND THERMOTROPIC LIQUID CRYSTALS OF AROMATIC COPOLYESTERS BASED ON P-HYDROXYBENZOIC ACID TEREPHTHALIC ACID AND BISPHENOL A[J]. Acta Polymerica Sinica, 1994,(4):405-412.DOI:
amples of low molecular weight and thermotropic liquid Crystals of aromatic copolyesters are prepared by a slurry polycondensation of three monomers
i' e. p-hydrobenzoic acid
temphthalic add and bisphenol A. These copolymers obtained from the reaction of ester exchange are called as PHBA/TPA/BPA copolyesters. Many characterizahons for samples with different composihon can be carried out house of their relatiVely good solubilities in proper solvents. The phase diagram expressing the transition temperature-composition for these copolysters is obtained and discussed.