Process for preparing polyblycerol

Details Process for preparing polyblycerol Process for preparing polyblycerol

1975-01-20

1976-07-06

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260338, C07C 4110

Patent

active

039681696

ABSTRACT:
A process for preparing polyglycerol by heating glycerol under reduced pressure in the presence of a catalytic quantity of sulfuric acid and a low molecular weight glyceride until from about 25 to about 75 percent of the glycerol is polymerized. The condensation is terminated by inactivating the catalyst by adding a substantially stoichiometric amount of a suitable neutralizing agent. Unreacted glycerol and cyclic diglycerol are removed by distillation. The polyglycerol so prepared can advantageously be employed in the preparation of polyglycerol fatty acid esters which are excellent food emulsifiers.

REFERENCES:
patent: 2110695 (1938-03-01), Batchelder
patent: 2182397 (1939-12-01), Eckey

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