2006•Chemical Propellants & Polymeric MaterialsRequires access
Catalytic Synthesis of Butyraldehyde 1,2-Propanediol Acetal Over H_3PW_6Mo_6O_(40)/PAn
Fei Gao
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Abstract
Butyraldehyde 1,2-propanediol acetal was synthesized by means of the reaction of butyraldehyde with 1,2-propanediol using H3PW6Mo6O40 /PAn as catalyst.The influence of the molar ratio of butyraldehyde to 1,2-propanediol,catalyst content and reaction time on the product yield was investigated.It was defined that the optimum conditions are as follows:the molar ratio of butyraldehyde to 1,2-propanediol is 1:1.6,the mass ratio of catalyst to the reactants is 1.2%, cyclohexane is water entraining agent, and the reaction time is 1.0 h.The yield of butyraldehyde 1,2-propanediol acetal is 95.6% under these conditions.