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Abstract
New poly(malonic ester) with two symmetrical azobenzene groups was synthesized by the reaction of novel liquid crystalline malonic ester monomer with disperse red 1 with 1,6-dibromohexane. The resulting polymer was found to be excellent as reversible optical information recording media for data storage and retrieval through a trans-cis isomerization of the azobenzene units by Ar laser irradiation and thermal process.