ICCAS OpenIR
Preparation and characterization of polyimide/Al2O3 hybrid films by sol-gel process
Ma, Pengchang1,2; Nie, Wei1,2; Yang, Zhenghua1,2; Zhang, Peihong3; Li, Gang3; Lei, Qingquan3; Gao, Lianxun1,2; Ji, Xiangling1,2; Ding, Mengxian1,2
2008-04-15
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume108Issue:2Pages:705-712
AbstractA sol-gel process has been developed to prepare polyimide (PI)/Al2O3 hybrid films with different contents of Al2O3 based on pyromellitic dianhydride (PMDA) and 4,4'-oxydianiline (ODA) as monomers. FESEM and TEM images indicated that Al2O3 particles are relatively well dispersed in the polyimide matrix after ultrasonic treatment of the sol from aluminum isopropoxide and thermal imidization of the gel film. The dimensional stability, thermal stability, mechanical properties of hybrid PI films were improved obviously by an addition of adequate Al2O3 content, whereas, dielectric property and the elongation at break decreased with the increase of Al2O3 content. Surprisingly, the corona-resistance property of hybrid film was improved greatly with increasing Al2O3 content within certain range as compared with pure PI film. Especially, the hybrid film with 15 wt % of Al2O3 content exhibited obviously enhanced corona-resistance property, which was explained by the formation of compact Al2O3 network in hybrid film. (c) 2008 Wiley Periodicals, Inc.
KeywordPolyimide Film Alumina Sol-gel Process
DOI10.1002/app.27540
Indexed BySCI
Language英语
WOS IDWOS:000253352500003
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63060
Collection中国科学院化学研究所
Corresponding AuthorJi, Xiangling
Affiliation1.Chinese Acad Sci, Lab Polymer Engn, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.Harbin Univ Sci & Technol, Elect & Elect Engn Coll, Harbin 150040, Peoples R China
Recommended Citation
GB/T 7714
Ma, Pengchang,Nie, Wei,Yang, Zhenghua,et al. Preparation and characterization of polyimide/Al2O3 hybrid films by sol-gel process[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2008,108(2):705-712.
APA Ma, Pengchang.,Nie, Wei.,Yang, Zhenghua.,Zhang, Peihong.,Li, Gang.,...&Ding, Mengxian.(2008).Preparation and characterization of polyimide/Al2O3 hybrid films by sol-gel process.JOURNAL OF APPLIED POLYMER SCIENCE,108(2),705-712.
MLA Ma, Pengchang,et al."Preparation and characterization of polyimide/Al2O3 hybrid films by sol-gel process".JOURNAL OF APPLIED POLYMER SCIENCE 108.2(2008):705-712.
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