ICCAS OpenIR
Crystallization kinetics in shearing-induced oriented and stretched poly(ethylene oxide)
Jiang, SC; An, LJ; Jiang, BZ
2004-02-15
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume42Issue:4Pages:656-665
AbstractIsothermal crystallization kinetics in the melting of poly(ethylene oxide) (PEO) were investigated as a function of the shear rate and crystallization temperature by optical microscopy. The radial growth rates of the spherulites are described by a kinetics equation including shearing and relaxation combined effects and the free energy for the formation of a secondary crystal nucleus. The free-energy difference between the liquid and crystalline phases increased slightly with rising shearing rates. The experimental findings showed that the influence of the relaxation of PEO, which is related to the shear-induced orientation and stretch in a PEO melt, on the rate of crystallization predominated over the influence of the shearing. This indicated that the relaxation of PEO should be more important so that the growth rates increase with shearing, but it was nearly independent of the shear rate within the measured experimental range. (C) 2004 Wiley Periodicals, Inc.
KeywordCrystallization Kinetics (Polym.) Shear Orientation Stretch Peo
Indexed BySCI
Language英语
WOS IDWOS:000188591700009
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/82002
Collection中国科学院化学研究所
Corresponding AuthorJiang, SC
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Jiang, SC,An, LJ,Jiang, BZ. Crystallization kinetics in shearing-induced oriented and stretched poly(ethylene oxide)[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2004,42(4):656-665.
APA Jiang, SC,An, LJ,&Jiang, BZ.(2004).Crystallization kinetics in shearing-induced oriented and stretched poly(ethylene oxide).JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,42(4),656-665.
MLA Jiang, SC,et al."Crystallization kinetics in shearing-induced oriented and stretched poly(ethylene oxide)".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 42.4(2004):656-665.
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