ICCAS OpenIR
Miscibility and crystallization behavior of poly(3-hydroxyvalerate-co-3-hydroxyvalerate)/poly(propylene carbonate) blends
Peng, SW; An, YX; Chen, C; Fei, B; Zhuang, YG; Dong, LS
2003-12-27
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume90Issue:14Pages:4054-4060
AbstractBlends of synthetic poly(propylene carbonate) (PPC) with a natural bacterial copolymer of 3-hydroxybutyrate with 3-hydroxyvalerate (PHBV) containing 8 mol % 3-hydroxyvalerate units were prepared with a simple casting procedure. PPC was thermally stabilized by end-capping before use. The miscibility, morphology, and crystallization behavior of the blends were investigated by differential scanning calorimetry, polarized optical microscopy, wide-angle X-ray diffraction (WAXD), and small-angle Xray scattering (SAXS). PHBV/PPC blends showed weak miscibility in the melt, but the miscibility was very low. The effect of PPC on the crystallization of PHBV was evident. The addition of PPC decreased the rate of spherulite growth of PHBV, and with increasing PPC content in the PHBV/PPC blends, the PHBV spherulites became more and more open. However, the crystalline structure of PHBV did not change with increasing PPC in the PHBV/PPC blends, as shown from WAXD analysis. The long period obtained from SAXS showed a small increase with the addition of PPC. (C) 2003 Wiley Periodicals, Inc.
KeywordMiscibility Crystallization Blends
DOI10.1002/app.12970
Indexed BySCI
Language英语
WOS IDWOS:000186374700039
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:35[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80022
Collection中国科学院化学研究所
Corresponding AuthorDong, LS
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Peng, SW,An, YX,Chen, C,et al. Miscibility and crystallization behavior of poly(3-hydroxyvalerate-co-3-hydroxyvalerate)/poly(propylene carbonate) blends[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2003,90(14):4054-4060.
APA Peng, SW,An, YX,Chen, C,Fei, B,Zhuang, YG,&Dong, LS.(2003).Miscibility and crystallization behavior of poly(3-hydroxyvalerate-co-3-hydroxyvalerate)/poly(propylene carbonate) blends.JOURNAL OF APPLIED POLYMER SCIENCE,90(14),4054-4060.
MLA Peng, SW,et al."Miscibility and crystallization behavior of poly(3-hydroxyvalerate-co-3-hydroxyvalerate)/poly(propylene carbonate) blends".JOURNAL OF APPLIED POLYMER SCIENCE 90.14(2003):4054-4060.
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