ICCAS OpenIR
Isothermal crystallization kinetics of PEO in poly(ethylene terephthalate)-poly(ethylene oxide) segmented copolymers. I. Effect of the sofi-block length
Kong, XH; Tan, SS; Yang, XN; Li, G; Zhou, EL; Ma, DZ
2000-12-15
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume38Issue:24Pages:3230-3238
AbstractThe isothermal crystallization kinetics of poly(ethylene oxide) (PEO) block in two poly(ethylene terephthalate) (PET)-PEO segmented copolymers was studied with differential scanning calorimetry. The Avrami equation failed to describe the overall crystallization process, but a modified Avrami equation, the Q equation, did. The crystallizability of the PET block and the different lengths of the PEO block exerted strong influences on the crystallization process, the crystallinity, and time final morphology of the PEO block. The mechanism of nucleation and the growth dimension of the PEG block were different because of the crystallizability of time PET block and the compositional heterogeneity. The crystallization of the PEO block was physically constrained by the microstructure of time PET crystalline phase, which resulted in a lower crystallization rate. However, this influence became weak with the increase in the soft-block length. (C) 2000 John Wiley & Sons, Inc.
KeywordPet-peo Segmented Copolymer Isothermal Crystallization Kinetics Avrami Equation Morphology
Indexed BySCI
Language英语
WOS IDWOS:000165510900004
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/75898
Collection中国科学院化学研究所
Corresponding AuthorZhou, EL
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Kong, XH,Tan, SS,Yang, XN,et al. Isothermal crystallization kinetics of PEO in poly(ethylene terephthalate)-poly(ethylene oxide) segmented copolymers. I. Effect of the sofi-block length[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2000,38(24):3230-3238.
APA Kong, XH,Tan, SS,Yang, XN,Li, G,Zhou, EL,&Ma, DZ.(2000).Isothermal crystallization kinetics of PEO in poly(ethylene terephthalate)-poly(ethylene oxide) segmented copolymers. I. Effect of the sofi-block length.JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,38(24),3230-3238.
MLA Kong, XH,et al."Isothermal crystallization kinetics of PEO in poly(ethylene terephthalate)-poly(ethylene oxide) segmented copolymers. I. Effect of the sofi-block length".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 38.24(2000):3230-3238.
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