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Research on the synthesis of ditrimethylolpropane tetraacrylate(Di-TMPTA)

Ying Wang

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Abstract

Di-TMPTA was synthesized from di-TMP and acrylic acid by acid alcohol esterification method.The influence of reaction conditions,such as reactant proportion,the composition and the level of polymerization inhibitor;reactant concentration;and catalyst level were studied.The optimum synthetic condition that mole ratio of crylic acid to di-TMP is 4.5 ∶1,toluene is 45%,catalyst level is 5% and the level of polymerization inhibitor is 0.9%.The reaction temperature is 116 ℃.The product has pale colour and its yield of product is 90.4%.The product was qualitative analysised by IR,NMR and HPLC.

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What this paper is about

Di-TMPTA was synthesized from di-TMP and acrylic acid by acid alcohol esterification method.The influence of reaction conditions,such as reactant proportion,the composition and the level of polymerization inhibitor;reactant concentration;and catalyst level were studied.The optimum synthetic condition that mole ratio of crylic acid to di-TMP is 4.5 ∶1,toluene is 45%,catalyst level is 5% and the level of polymerization inhibitor is 0.9%.The reaction temperature is 116 ℃.The product has pale colour and its yield of product is 90.4%.The product was qualitative analysised by IR,NMR and HPLC.

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Available abstract

Di-TMPTA was synthesized from di-TMP and acrylic acid by acid alcohol esterification method.The influence of reaction conditions,such as reactant proportion,the composition and the level of polymerization inhibitor;reactant concentration;and catalyst level were studied.The optimum synthetic condition that mole ratio of crylic acid to di-TMP is 4.5 ∶1,toluene is 45%,catalyst level is 5% and the level of polymerization inhibitor is 0.9%.The reaction temperature is 116 ℃.The product has pale colour and its yield of product is 90.4%.The product was qualitative analysised by IR,NMR and HPLC.

Key concepts: TMPTA, Yield (engineering), Polymerization, Acrylic acid, Catalysis, Toluene, Chemistry, Nuclear chemistry

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