常压一锅法合成聚乙二醇400葡糖苷松香酸酯

›› 2010, Vol. 30 ›› Issue (2): 67-71.

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One-pot Synthesis of Polyethylene Glycol 400 Glucoside Rosin Ester under Atmospheric-pressure

TANG Shi-hua, ZHANG Ke, LEI Fu-hou

College of Chemistry and Ecological Engineering, Guangxi University for Nationalities, Nanning 530006, China

Received:2009-06-01 Revised:1900-01-01 Online:2010-04-30 Published:2010-04-30

Abstract

Abstract: Polyethylene glycol 400(PEG 400) glucoside rosin ester was synthesized with ethylene glycol 400, rosin and starch as raw material and p-toluene sulfonic acid as catalyst using one-pot method under atmospheric pressure. The optimum synthesis conditions were obtained as follows: ratio of n(PEG 400):n(glucose unit of starch):n(rosin)4.5:1.5:1, mass of catalyst 10%(based on rosin mass), reaction time 7h, reaction temperature 200℃ and acid value was less than 5mg/g. The acid value of the product refined by CaO was less than 1mg/g. The prepared sample was identified using infrared spectroscopy and elemental analysis. The synthesized product possesses good emulsifying performance.

Key words: one-pot synthesis, rosin, starch, PEG 400 glucoside rosin ester, calcium oxide

CLC Number:

TQ 351.471

TANG Shi-hua;ZHANG Ke;LEI Fu-hou. One-pot Synthesis of Polyethylene Glycol 400 Glucoside Rosin Ester under Atmospheric-pressure[J]. , 2010, 30(2): 67-71.

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One-pot Synthesis of Polyethylene Glycol 400 Glucoside Rosin Ester under Atmospheric-pressure

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