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- W2358531269 abstract "The synthesis of DEP was performed by esterification of ethanol and phthalic anhydride through different catalysts such as SO2-4/SiO2,SO2-4/TiO2,SO2-4/SnO2,SO2-4/BOx-POy and phosphorus acid loaded by activated carbon.The influence factors of esterification were researched,such as the sorts of the solid acid,the amounts of catalyst,the ratio of ethanol to phthalic anhydride,the reaction time and so on.the experimental results showed that the best technical operation conditions are as following:14.8 g phthalic anhydride,3.0 g the SO2-4/BOx-POy catalyzer,the ratio of ethanol to phthalic anhydride 4 ∶1,cyclohexane 21 mL,reaction time 8 h,its productivity can be above 64%.This solid acid has excellences such as higher catalytic activity,simple separation,efficient reuse.It can be used to replace oil of vitriol as catalyst of synthesizing DEP." @default.
- W2358531269 created "2016-06-24" @default.
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- W2358531269 date "2008-01-01" @default.
- W2358531269 modified "2023-09-23" @default.
- W2358531269 title "Synthesis of DEP catalyzed by solid acid" @default.
- W2358531269 hasPublicationYear "2008" @default.
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