Citation: Yu Xian AN, Li Song DONG, Yu Gang ZHUANG, Zhi Shen MO, Zhi Liu FENG. Miscibility and Crystallization of PHB/PMA Blends[J]. Chinese Chemical Letters, ;1998, 9(6): 587-590. shu

Miscibility and Crystallization of PHB/PMA Blends

Polymer Physics Laboraory, Changchun InstitUte of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 19 January 1998

Fund Project: This work is supported by the National Key Projects for Fundamental Research "Macromolecular Condensed State," The State Science and Technology Commission of China and The National Natural Science Foundation of China (29774031).

The miscibility, crystallization behavior and morphological structure of PHB/PMA blends have been studied by the differential scanning calorimeter (DSC) and polarized optical microscopy (POM). The chemical repeat units of the two components of the blend are isomers. The results indicate that PHB and PMA are miscible in the melt. The addition of PMA into PHB results in a depression in the spherulite growth rate of PHB. With increasing PMA content in the blends, the texture of PHB spherulite becomes more open.
- poly(β-hydroxybutyrate),
- poly(methyl acrylate),
- isomer,
- miscibility
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