Tert butyl acrylate is an important organic ester,and the preparation of tert butyl acrylate through the addition esterification of acrylic acid and isobutene is a typical atomic economy reaction with important application prospects.This article successfully prepared a phosphotungstic acid solid acid catalyst Ce3/1-HPW-F and applied it in the reaction of acrylic acid and isobutene addition esterification to prepare tert butyl acrylate.The results showed that complete conversion of acrylic acid could be achieved at 45℃for 4 h,and the selectivity of tert butyl acrylate was as high as 99%.
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