中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Isothermal crystallization kinetics of PEO in poly(ethylene terephthalate)-poly(ethylene oxide) segmented copolymers. I. Effect of the sofi-block length

文献类型:期刊论文

作者Kong, XH; Tan, SS; Yang, XN; Li, G; Zhou, EL; Ma, DZ
刊名JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
出版日期2000-12-15
卷号38期号:24页码:3230-3238
关键词Pet-peo Segmented Copolymer Isothermal Crystallization Kinetics Avrami Equation Morphology
ISSN号0887-6266
英文摘要The 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.
语种英语
WOS记录号WOS:000165510900004
出版者JOHN WILEY & SONS INC
源URL[http://ir.iccas.ac.cn/handle/121111/75897]  
专题中国科学院化学研究所
通讯作者Zhou, EL
作者单位1.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
推荐引用方式
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.

入库方式: OAI收割

来源:化学研究所

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