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HIGH-SPEED ESTERIFICATION OF ROSIN WITH ETHANOL UNDER MICROWAVE IRRADIATION

Lin Zhong-xiang

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Abstract

Esterification of rosin with ethanol under microwave irradiation was studied.Acid value of ethyl rosinate was 3.88 mgKOH/g by reacting rosin with ethanol in the presence of p-toluenesulfonic acid under microwave irradiation for 24 min.Dosage of catalyst is 12%-16% and ethanol is 2-3 times(on the basis of rosin mass).

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Esterification of rosin with ethanol under microwave irradiation was studied.Acid value of ethyl rosinate was 3.88 mgKOH/g by reacting rosin with ethanol in the presence of p-toluenesulfonic acid under microwave irradiation for 24 min.Dosage of catalyst is 12%-16% and ethanol is 2-3 times(on the basis of rosin mass).

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Available abstract

Esterification of rosin with ethanol under microwave irradiation was studied.Acid value of ethyl rosinate was 3.88 mgKOH/g by reacting rosin with ethanol in the presence of p-toluenesulfonic acid under microwave irradiation for 24 min.Dosage of catalyst is 12%-16% and ethanol is 2-3 times(on the basis of rosin mass).

Key concepts: Rosin, Chemistry, Ethanol, Microwave irradiation, Catalysis, Acid value, Nuclear chemistry, Organic chemistry

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