Process for the synthesis of polyol fatty-acid esters

Details Process for the synthesis of polyol fatty-acid esters Process for the synthesis of polyol fatty-acid esters

1990-02-09

1991-08-27

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536115, 536120, 536124, 2604107, C07H 1300, C07H 100, C11C 300

Patent

active

050434381

ABSTRACT:
The present invention pertains to a process for the synthesis of polyol fatty-acid esters by reacting a polyol and a fatty-acid lower-alkyl ester under substantially solvent-free conditions in the presence of a transesterification catalyst and an emulsifier. The process comprises a continuous initial reaction stage in a first reaction zone wherein a steady-state conversion is achieved of over 1% and a further reaction stage in which the reaction mixture from said first zone is further reacted to the required polyol fatty-acid esters in one or more subsequent reaction zones.

REFERENCES:
patent: 4517360 (1985-05-01), Volpenhein
patent: 4518772 (1985-05-01), Volpenhein
patent: 4968791 (1990-11-01), Van Der Plank
patent: 4973682 (1990-11-01), Willemse

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