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Published on: August 25, 2016
Study on the Synthesized Rosin Glyceride over LaZSM-5 Zeolite Catalyst Synthesized by the in Situ Method
Xiaoxiao Wang1, Fang Guo2, Yue Yu3
1School of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, PR China.
Abstract:
LaZSM-5 zeolite was synthesized by the in situ method and used as catalysts to catalyze the synthesis of rosin glyceride. As a comparison, ZSM-5 was also synthesized and used as catalysts to catalyze the synthesis of rosin glyceride. The synthesized ZSM-5 and LaZSM-5 zeolite catalysts were characterized and analyzed. The experimental results showed that the in situ synthesis of LaZSM-5 made La into the skeleton of ZSM-5 zeolite and increased the amount of Lewis acid on the LaZSM-5 zeolite. Also, Lewis acid was the key to liquid-phase esterification reaction. Compared with ZSM-5 zeolite, LaZSM-5 zeolite contributed to a higher yield and better stability as a catalyst for the synthesis of rosin glycerides.
