ICCAS OpenIR
Effect of nucleating agents on the crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
Liu, WJ; Yang, HL; Wang, Z; Dong, LS; Liu, JJ
2002-11-28
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume86Issue:9Pages:2145-2152
AbstractThe effect of nucleating agents on the crystallization behavior of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was studied. A differential scanning calorimeter was used to monitor the energy of the crystallization process from the melt and melting behavior. During the crystallization process from the melt, nucleating agent led to an increase in crystallization temperature (T-c) of PHBV compared with that for plain PHBV (without nucleating agent). The melting temperature of PHBV changed little with addition of nucleating agent. However, the areas of two melting peaks changed considerably with added nucleating agent. During isothermal crystallization, dependence of the relative degree of crystallization on time was described by the Avrami equation. The addition of nucleating agent caused an increase in the overall crystallization rate of PHBV, but did not influence the mechanism of nucleation and growth of the PHB crystals. The equilibrium melting temperature of PHBV was determined as 187degreesC. Analysis of kinetic data according to nucleation theories showed that the increase in crystallization rate of PHBV in the composite is due to the decrease in surface energy of the extremity surface. (C) 2002 Wiley Periodicals, Inc.
KeywordPoly(3-hydroxybutyrate-co-3-hydroxyvalerate) Crystallization Melting Point Biodegradable Thermal Properties
DOI10.1002/app.11023
Indexed BySCI
Language英语
WOS IDWOS:000178351700006
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:105[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78122
Collection中国科学院化学研究所
Corresponding AuthorLiu, JJ
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Jilin Univ Technol, Dept Appl Chem, Changchun 130025, Peoples R China
Recommended Citation
GB/T 7714
Liu, WJ,Yang, HL,Wang, Z,et al. Effect of nucleating agents on the crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2002,86(9):2145-2152.
APA Liu, WJ,Yang, HL,Wang, Z,Dong, LS,&Liu, JJ.(2002).Effect of nucleating agents on the crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate).JOURNAL OF APPLIED POLYMER SCIENCE,86(9),2145-2152.
MLA Liu, WJ,et al."Effect of nucleating agents on the crystallization of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)".JOURNAL OF APPLIED POLYMER SCIENCE 86.9(2002):2145-2152.
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