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- W3201060250 abstract "Abstract In order to solve the problems of low recovery, low availability, and high cost in the synthesis of rosin glycol ester, a series of supported ZnO magnetic catalysts were prepared with Fe 3 O 4 as the magnetic center, and their structures and compositions were characterized by TEM, XRD, and XPS. Through screening, the results show that Fe 3 O 4 @SiO 2 –ZnO has the best catalytic effect, far better than other catalysts, and has good stability. At the same time, the effects of zinc source and its load and different reaction conditions on the synthesis of rosin glycol ester were also investigated. The results showed that: When zinc chloride was used as zinc source, theoretical loading of zinc source was 0.45 g, reaction temperature was 270°C, reaction time was 5 h, and catalyst dosage was 0.2 g, the esterification rate of rosin-glyceryl ester was 87.2% and acid value was 26.5 mg KOH g −1 ." @default.
- W3201060250 created "2021-09-27" @default.
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- W3201060250 date "2021-01-01" @default.
- W3201060250 modified "2023-10-17" @default.
- W3201060250 title "Preparation of Fe3O4@SiO2–ZnO catalyst and its catalytic synthesis of rosin glycol ester" @default.
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- W3201060250 doi "https://doi.org/10.1515/chem-2021-0083" @default.
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