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Citation: Wang Yong, Wu Dacheng. Thermal Behavior and Liquid Crystalline Property of p-Hydroxybenzoic Acid/Poly (butyleneterephthalate) Copolyester[J]. Chinese Journal of Applied Chemistry, ;1994, 44(5): 95-97. shu

Thermal Behavior and Liquid Crystalline Property of p-Hydroxybenzoic Acid/Poly (butyleneterephthalate) Copolyester

Wang Yong ,
Wu Dacheng

1.
Textile College, Chengdu University of Science and Technology, Chengdu 610065

Received Date: 1 November 1993
Available Online: 19 April 1994

Thermal transitions and liquid crystalline properties of copolyesters based on poly (butyleneterephthalate)(PBT) and p-hydroxybenzoic acid (PHB) were examined by DSC and hot stage polarizing microscopy.The results showed a multi-phase transition associated with PBT-rich domain and PHB-ricli domain in the copolyester.Typical nematic liquidcrystalline phase of the copolyesters appeared when PHB content ranged in 20%~80%。
- PHB/PBT copolyester,
- phase transition,
- liquid crystalline property
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