ICCAS OpenIR
Shear-enhanced crystallization of a thermoplastic polyimide derived from 3,3 ',4,4 '-oxydiphthalic dianhydride and 4,4 '-oxydianiline
Zhao, Guiyan; Zhang, Min; Men, Yongfeng; Ding, Mengxian; Jiang, Wei
2007-09-01
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume45Issue:17Pages:2344-2349
AbstractThe aim of this work is to investigate the effect of consecutive shear on the crystallization of an amorphous aromatic polyimide (PI) derived from 3,3',4,4'oxydiphthalic dianhydride (3,3',4,4'-ODPA) and 4,4-oxydianiline (ODA). At 260 degrees C, the increase of shear rate or shear time leads to the increase of crystallinity. Indeed, increasing shear rate can also accelerate the crystallization behavior. Moreover, it was found that a new melting peak appeared at higher temperature for long time or high rate sheared sample. The enhancement of crystallization behavior appears directly linked to the increase of crystal thickness. Particularly, the effect of shear temperature was investigated, and the results revealed that the crystallization of the PI was more sensitive to shear at 260 degrees C, which was 10 degrees above the glass transition temperature (250 degrees C) of the PI. Possible mechanism was proposed to illustrate the effect of consecutive shear on the crystallization of the PI polymer. (c) 2007 Wiley Periodicals, Inc.
KeywordCrystallization Polyimide Shear
DOI10.1002/polb.21243
Indexed BySCI
Language英语
WOS IDWOS:000249313000002
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62394
Collection中国科学院化学研究所
Corresponding AuthorDing, Mengxian
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Jilin, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Guiyan,Zhang, Min,Men, Yongfeng,et al. Shear-enhanced crystallization of a thermoplastic polyimide derived from 3,3 ',4,4 '-oxydiphthalic dianhydride and 4,4 '-oxydianiline[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2007,45(17):2344-2349.
APA Zhao, Guiyan,Zhang, Min,Men, Yongfeng,Ding, Mengxian,&Jiang, Wei.(2007).Shear-enhanced crystallization of a thermoplastic polyimide derived from 3,3 ',4,4 '-oxydiphthalic dianhydride and 4,4 '-oxydianiline.JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,45(17),2344-2349.
MLA Zhao, Guiyan,et al."Shear-enhanced crystallization of a thermoplastic polyimide derived from 3,3 ',4,4 '-oxydiphthalic dianhydride and 4,4 '-oxydianiline".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 45.17(2007):2344-2349.
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