Synthesis and properties of novel polyimides from 3-(4-aminophenylthio)-n-aminophthalimide
Yan, Jingling1,2; Wang, Zhen1; Lv, Changli1; Yang, Huili1; Shang, Zhenping1,2; Gao, Lianxun1; Ding, Mengxian1
AbstractA novel, asymmetric diamine 3-(4-amino-phenylithio)-N-aminophthalmide, was prepared from 3-chloro-N-aminophthalmide and 4-aminobenzenethiol. The structure of the diamine was determined via IR and H-1-NMR spectroscopy and elemental analysis. A series of polyimides were synthesized from 3-(4-aminophynylthio)-N-aminophthalmide and aromatic dianhydries by a conventional two-step method in N,N-dimethylacetamide and by a one-step method in phenols. These polymidies showed good solubility in 1-methyl-2-pyrrolidinone, m-cremsol, and p-chlorophenol, except polymide from pyromellitic dianhydride, which was only soluble in p-chlorophenol. The 5% weight loss temperatures of these polyimides ranged from 460 to 498 C in air. Dynamic mechanical thermal analysis indicated that the glass-transition temperatures of the polyimides were in the range 278-395 degrees C. The tensile strengths at break, moduli, and elongations of these polyimides were 146-178 MPa, 1.95-2.58 GPa, and 9.1-13.3%, respectively. Compared with corresponding polyimides from 4,4'-diamidophenyl ether, these polymers showed enhanced solubility and higher glass-transition temperatures. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 110:706-711, 2008
KeywordPolyimides Structure-property Relations Synthesis
Indexed BySCI
WOS IDWOS:000258633900009
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorDing, Mengxian
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Yan, Jingling,Wang, Zhen,Lv, Changli,et al. Synthesis and properties of novel polyimides from 3-(4-aminophenylthio)-n-aminophthalimide[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2008,110(2):706-711.
APA Yan, Jingling.,Wang, Zhen.,Lv, Changli.,Yang, Huili.,Shang, Zhenping.,...&Ding, Mengxian.(2008).Synthesis and properties of novel polyimides from 3-(4-aminophenylthio)-n-aminophthalimide.JOURNAL OF APPLIED POLYMER SCIENCE,110(2),706-711.
MLA Yan, Jingling,et al."Synthesis and properties of novel polyimides from 3-(4-aminophenylthio)-n-aminophthalimide".JOURNAL OF APPLIED POLYMER SCIENCE 110.2(2008):706-711.
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