Ti-SBA-15介孔分子筛催化制备环氧橡胶籽油的研究

Abstract

Abstract: Epoxided rubber seed oil (ERSO) was prepared from rubber seed oil (RSO) by using heterogeneous mesoporous molecular sieve Ti-SBA-15 as catalyst. The influences of catalyst dosage, the oxidant tert-butyl hydroperoxide (TBHP), reaction time and reaction temperature on the epoxidation of RSO were discussed. Results showed that the ERSO with epoxy value of 68.9 mmol/g was obtained with the dosage of RSO 0.062% (mole fraction, based on the mole value of RSO), the molar ratio for TBHP to RSO 1.3:1, reaction time 6 h and reaction temperature 70℃. Under these optimal conditions, the RSO conversion was 82.22%, and the conversion of double bond was 69.93%. Furthermore, the formation of epoxy group was confirmed by FT-IR.

Key words: Ti-SBA-15, mesoporous molecular sieve catalyst, rubber seed oil, epoxidation

CLC Number:

TQ35

GONG Hui-ying, ZHENG Zhi-feng, HUANG Yuan-bo, YANG Xiao-qin, ZHENG Yun-wu, MA Huan. Preparation of Epoxided Rubber Seed Oil Catalyzed by Ti-SBA-15 Mesoporous Molecular Sieve[J]. bce, 2016, 50(2): 1-5.

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Preparation of Epoxided Rubber Seed Oil Catalyzed by Ti-SBA-15 Mesoporous Molecular Sieve

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