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Synthesis and characterization of melt-processable polyimides derived from 1,4-bis(4-amino-2-trifluoromethylphenoxy)benzene
Zuo, H. J.; Chen, J. S.; Yang, H. X.; Hu, A. J.; Fan, L.; Yang, S. Y.
2008-01-15
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume107Issue:2Pages:755-765
AbstractA series of molecular-weight-controlled imide resins end-capped with phenylethynyl groups were prepared through the polycondensation of a mixture of 1,4-bis(4amino-2-trifluoromethylphenoxy)benzene and 1,3-bis(4-aminophenoxy)benzene with 4,4'-oxydiphthalic anhydride in the presence of 4-phenylethynylphthalic anhydride as an end-capping agent. The effects of the resin chemical structures and molecular weights on their melt processability and thermal properties were systematically investigated. The experimental results demonstrated that the molecular-weight-controlled imide resins exhibited not only meltability and melt stability but also low melt viscosity and high fluidability at temperatures lower than 280 degrees C. The molecular-weight-controlled imide resins could be thermally cured at 371 degrees C to yield thermoset polyimides by polymer chain extension and crosslinking. The neat thermoset polyimides showed excellent thermal stability, with an initial thermal decomposition temperature of more than 500 degrees C and high glass-transition temperatures greater than 290 degrees C, and good mechanical properties, with flexural strengths in the range of 140.1-163.6 MPa, flexural moduli of 3.0-3.6 GPa, tensile strengths of 60.7-93.8 MPa, and elongations at break as high as 14.7%. (C) 2007 Wiley Periodicals, Inc.
KeywordMechanical Properties Polyimides Thermal Properties Viscosity
DOI10.1002/app.26965
Indexed BySCI
Language英语
WOS IDWOS:000250822400008
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63796
Collection中国科学院化学研究所
Corresponding AuthorYang, S. Y.
AffiliationChinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zuo, H. J.,Chen, J. S.,Yang, H. X.,et al. Synthesis and characterization of melt-processable polyimides derived from 1,4-bis(4-amino-2-trifluoromethylphenoxy)benzene[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2008,107(2):755-765.
APA Zuo, H. J.,Chen, J. S.,Yang, H. X.,Hu, A. J.,Fan, L.,&Yang, S. Y..(2008).Synthesis and characterization of melt-processable polyimides derived from 1,4-bis(4-amino-2-trifluoromethylphenoxy)benzene.JOURNAL OF APPLIED POLYMER SCIENCE,107(2),755-765.
MLA Zuo, H. J.,et al."Synthesis and characterization of melt-processable polyimides derived from 1,4-bis(4-amino-2-trifluoromethylphenoxy)benzene".JOURNAL OF APPLIED POLYMER SCIENCE 107.2(2008):755-765.
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