Title: Synthesis and Characterization of Side-chain Azobenzene Polyimide
Abstract: Side-chain azobenzene polyimide had been synthesized from amino azobenzene monomers and polystyrene-maleic anhydride copolymer through graft polymerization and studied its chemical structure,thermal stability,light responsiveness and photoelectric properties.The results showed that azobenzene polyimide had excellent water solubility,enlarged its processing and applications range;azobenzene polyimide had short side chain and its decomposition temperature reached 312 ℃;it showed the strongest absorption peak under neutral condition at 365 nm,the absorption peak decreased and generated red-shift when the solution was under acidic or basic condition.Indicated that conductivity of the solution increased along with the 365 nm ultraviolet illumination which went back to the former value again when it was put in visible light for 42 h.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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