Catalytic synthesis of ditrimethylolpropane tetraacrylate(Di-TMPTA) over H_4SiW_(12)O_(40)/C
Zhang Ji-bo
Abstract
Zhang Ji-bo
Abstract
Di-TMPTA was synthesized from Di-TMP and acrylicacid by direct esterification method with H4SiW12O40/C as catalyst.The influence of reaction conditions were studied.The results indicated that the most suitable condition is as follows:mole ratio of crylic acid to Di-TMP was 4.0∶1,H4SiW12O40/C as the catalyst with 0.5%,reaction time was above 4 hours,the esterification rate of reaction was 96.5%.The product was qualitative analysised by IR.
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Di-TMPTA was synthesized from Di-TMP and acrylicacid by direct esterification method with H4SiW12O40/C as catalyst.The influence of reaction conditions were studied.The results indicated that the most suitable condition is as follows:mole ratio of crylic acid to Di-TMP was 4.0∶1,H4SiW12O40/C as the catalyst with 0.5%,reaction time was above 4 hours,the esterification rate of reaction was 96.5%.The product was qualitative analysised by IR.
Key concepts: Catalysis, TMPTA, Materials science, Nuclear chemistry, Reaction conditions, Organic chemistry, Chemistry, Monomer