Citation:
LI Yuan, LI Guijuan, DING Mengxian, WANG Zhen. Preparation and Performance of Bisphenol F-Type Polyimide Films[J]. Chinese Journal of Applied Chemistry,
;2011, 28(12): 1370-1374.
doi:
10.3724/SP.J.1095.2011.00754
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A novel bisphenol F-type dianhydride(BPFDA) monomer was synthesized using 4-chlorophthalimide through hydration,acidification,and dehydration.Its structure was determined with 1H NMR and IR.Two types of polyimide films were prepared with the dianhydride and 4,4'-diaminodiphenyl ether(ODA) or 4,4'-methylene dianiline(MDA) via conventional one-step method in N,N'-dimethylacetamide.The obtained polyamic acid was then further imidized into polyimide films and characterized.Results show that the glasstransition temperatures of the polyimide films were 200 and 204℃;the temperatures of 5% mass loss were 506.50 and 459.10℃;and the tensile strength of the films were 110 and 100 MPa,respectively.
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