Modified poly(3-hydroxybutyrate-co-3-hydroxyvalerate) using hydrogen bonding monomers
Fei, B; Chen, C; Wu, H; Peng, SW; Wang, XY; Dong, LS; Xin, JH
Source PublicationPOLYMER
AbstractProperties of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) were significantly modified by a hydrogen bonding (H-bond) monomer-bisphenol A (BPA). BPA lowered the T(m) of PHBV and widened the heat-processing window of PHBV. At the same time, a dynamic H-bond network in the blends was observed indicating that BPA acted as a physical cross-link agent. BPA enhanced the T, of PHBV and reduced the crystallization rate of PHBV. It resulted in larger crystallites in PHBV/BPA blends showed by WAXD. However, the crystallinity of PHBV was hardly reduced. SAXS results suggested that BPA molecules distributed in the inter-lamellar region of PHBV. Finally, a desired tension property was obtained, which had an elongation at break of 370% and a yield stress of 16 MPa. By comparing the tension properties of PHBV/BPA and PHBV/tert-butyl phenol blends, it was concluded that the H-bond network is essential to the improvement of ductility. (C) 2004 Elsevier Ltd. All rights reserved.
KeywordPhbv Hydrogen Bond Network Bisphenol a
Indexed BySCI
WOS IDWOS:000223562900019
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Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Hong Kong Polytech Univ, Kowloon, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Fei, B,Chen, C,Wu, H,et al. Modified poly(3-hydroxybutyrate-co-3-hydroxyvalerate) using hydrogen bonding monomers[J]. POLYMER,2004,45(18):6275-6284.
APA Fei, B.,Chen, C.,Wu, H.,Peng, SW.,Wang, XY.,...&Xin, JH.(2004).Modified poly(3-hydroxybutyrate-co-3-hydroxyvalerate) using hydrogen bonding monomers.POLYMER,45(18),6275-6284.
MLA Fei, B,et al."Modified poly(3-hydroxybutyrate-co-3-hydroxyvalerate) using hydrogen bonding monomers".POLYMER 45.18(2004):6275-6284.
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