Title: Synthesis of 4,4'-Bis(4-aminophenoxy) Diphenyl Sulfide Ether and Study on the Properties of the Polyimide Film Therefrom
Abstract: The polyimide monomer of 4,4'-bis(4-aminophenoxy)diphenyl sulfide ether(DADPSE) was obtained through the reducing reaction of the 4,4'-bis(4-nitrophenoxy)diphenyl sulfide ether(DNDPSE) in the system of Pd/C-hydrazine hydrate.The compound of DNDPSEwas synthesized by the condensation reaction between 4-chloronitrobenzene(4CNB) and 4,4'-dihydroxydiphenyl sulfide(44DHDPS) in the presence of potassium carbonate in the mixture solvents of N,N-dimethylformamide(DMF) and toluene(Tol).Moreover,the viscous polyamic acid(DADPSE/PMDA-PAA) solution was prepared by polycondesation reaction between DADPSE and pyromelltic dianhydride(PMDA) in the polar aprotic organic solvent,and the corresponding polyimide(DADPSE/PMDA-PI) film was also obtained by thermal imidization of DADPSE/PMDA-PAA thin layer.The properties of the film was further studied.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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