Miscibility and Aggregation Structure of Poly(β-hydroxybutyrate-co-β-hydroxyvalerate)/Poly(p-vinylphenol)(P(HB-co-HV)/PVPh)Blends

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (6): 38-41.

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Miscibility and Aggregation Structure of Poly(β-hydroxybutyrate-co-β-hydroxyvalerate)/Poly(p-vinylphenol)(P(HB-co-HV)/PVPh)Blends

Xing Peixiang¹, Dong Lisong¹, Feng Zhiliu¹, Feng Hanqiao²

1. Polymer Physics Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2. Laboratory of Magnetic Resonance and Molecular Physics, Wuhan Institute of Physics, Chinese Academy of Sciences, Wuhan

Received:1997-06-16 Revised:1997-08-26 Published:1997-12-10 Online:1997-12-10

Abstract

Abstract: The miscibility and aggregation structure of P(HB-co-HV)/PVPh blends have been investigated by DSC, FTIR, ¹³C NMR, WAXD, SAXS. The results show that the intermolecular hydrogen bonding formed between the components makes the blends completely miscible in the whole composition range in the melt state. The solid state ¹³C NMR results show that the blend of P(HB-co-HV)/PVPh(50/50)mixed on a scale smaller than 3.4 nm. The SAXS results show that the long periods of the blends increase with the increase of PVPh content, indicating that the amorphous PVPh was dispersed between the lamellae forming the amorphous part with amorphous P(HB-co-HV).

Key words: poly(β-hydroxybutyrate-co-β-hydroxyvalerate), poly(p-vinylphenol), miscibility, hydrogen bonding, solid state ¹³C NMR

Xing Peixiang, Dong Lisong, Feng Zhiliu, Feng Hanqiao. Miscibility and Aggregation Structure of Poly(β-hydroxybutyrate-co-β-hydroxyvalerate)/Poly(p-vinylphenol)(P(HB-co-HV)/PVPh)Blends[J]. Chinese Journal of Applied Chemistry, 1997, 0(6): 38-41.

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Miscibility and Aggregation Structure of Poly(β-hydroxybutyrate-co-β-hydroxyvalerate)/Poly(p-vinylphenol)(P(HB-co-HV)/PVPh)Blends

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