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- W2384732522 abstract "In this work,a new process was studied for the preparation of DPA based on the phenol and levulinic acid(LA) catalyzed by HCl and strong acid resins.The factors involving in the type and amount of catalyst,the reaction molar ratio,reaction temperature and reaction time on the double rate of acid production,were optimized.The results showed that the optimal reaction conditions are as follows:under thioglycollic acid as the promoter,n(phenol)∶n(Levulinic acid)=4∶1,15g of strong acid resin,reaction temperature at 60℃,reaction time for 40h.The yield of DPA is up to 62%." @default.
- W2384732522 created "2016-06-24" @default.
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- W2384732522 date "2010-01-01" @default.
- W2384732522 modified "2023-09-26" @default.
- W2384732522 title "Study on the synthetic process of DPA catalyzed by HCl-strong acid resin" @default.
- W2384732522 hasPublicationYear "2010" @default.
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