LIU De-shan, GU Li-guang, WANG Xiao-gong, CAI Chang-tong, ZHOU Qi-xiang. STUDY ON LYOTROPIC LIQUID CRYSTAL PROPERTIES OF AROMATIC-ALIPHATIC COPOLYAMIDES. [J]. Acta Polymerica Sinica (6):715-720(1992)
DOI:
LIU De-shan, GU Li-guang, WANG Xiao-gong, CAI Chang-tong, ZHOU Qi-xiang. STUDY ON LYOTROPIC LIQUID CRYSTAL PROPERTIES OF AROMATIC-ALIPHATIC COPOLYAMIDES. [J]. Acta Polymerica Sinica (6):715-720(1992)DOI:
STUDY ON LYOTROPIC LIQUID CRYSTAL PROPERTIES OF AROMATIC-ALIPHATIC COPOLYAMIDES
In this paper the aromatic-aliphatic copolyamides were synthesized from terep-hthalyl chloride (TPC)
p-phenyldiamine (PPD) and aliphatic diamines (ADA. H2N-(CH2-)nNH2
n=2
6
8
10
12) by low temperature solution polycondensation. The effects of the amount of the aliphatic diamine chain unit in copolyamides
inherent viscosity of copolyamides and temperature on the critical concentration of liquid crystalline copolyamides obtained were studied. It was confirmed that the sulfuric acid solution of these copolyamides was smectic if the aliphatic diamine unit in copolyamides was more than 16.7 mol%.
PREPARATION AND CHARACTERIZATION OF LYOTROPIC LIQUID CRYSTALLINE AROMATIC COPOLYAMIDES CONTAINING PHTHALAZINONE MOIETIES
STUDIES ON CHITIN-BASED LIQUID CRYSTALLINE POLYMERS——THE LYOTROPIC LIQUID CRYSTALLINITY OF LOW MOLECULAR WEIGHT CHITOSAN AND THE INFLUENCE OF MOLECULAR MASS ON CRITICAL CONCENTRATION
STUDIES ON CHITIN BASED LIQUID CRYSTALLINE POLYMERS Ⅷ. THERMOTROPIC PHASE TRANSITION OF N-PHTHALOLYL CHITOSAN/DMSO LIQUID CRYSTALLINE SOLUTIONS
STUDIES ON CHITIN-BASED LIQUID CRYSTALLINE POLYMERS Ⅵ.INFLUENCE OF THE DEGREE OF SUBSTITUTION OF AMIC ACID ON THE LIQUID CRYSTALLINE BEHAVIOR OF PHTHALOYL CHITOSAN
STUDIES ON CHITIN-BASED LIQUID CRYSTALLINE POLYMERS V.INTEGRATED INFLUENICE OF NUMBER AND LENGTH OF SUBSTITUENT ON HYDROXYETHYL CHITOSAN