Process for the preparation of polyglycerols

Details Process for the preparation of polyglycerols Process for the preparation of polyglycerols

C - Chemistry, Metallurgy

07

C

260/632.2

C07C 43/13 (2006.01) C07C 41/09 (2006.01) C08G 65/34 (2006.01)

Patent

CA 1220493

HOE 83/F 919 Abstract of the disclosure: The novel process for the preparation of poly- glycerols is based or the condensation of glycerol at a temperature of 190 to 250°C in the presence of catalysts, the water of condensation being removed. Catalysts which are used are particular compounds containing phosphorus and an alkali metal, such that 0.005 to 1% by weight, based on the weight of glycerol, of phosphorus is present and the molar ratio of alkali metal:phosphorus is 1 to 12:1.

470599

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