Process for preparing polyglycerols

Details Process for preparing polyglycerols Process for preparing polyglycerols

1989-03-24

1990-10-02

Mars, Howard T.

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

Organic compounds

Oxygen containing

568619, 568120, 568623, 568679, 568680, 568870, C07C 0770, C07C 4103, C07C 2976

Patent

active

049609530

ABSTRACT:
A process for the preparation of polyglycerols which are low in cyclic components comprises reacting glycerol or diglycerol or a higher polyglycerol with epichlorohydrin at elevated temperatures; adding base corresponding to the organically bound chlorine content of the reaction mixture, at a temperature of 50.degree.-120.degree. C., to the unseparated reaction mixture obtained; desalting the resultant reaction mixture and recovering glycerol, diglycerol and higher polyglycerols by fractional distillation.

REFERENCES:
patent: 2520670 (1950-08-01), Wittcoff et al.

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