Preparation of glycol diesters from polyethers

Details Preparation of glycol diesters from polyethers Preparation of glycol diesters from polyethers

C - Chemistry, Metallurgy

07

C

C07C 69/02 (2006.01) C07C 67/08 (2006.01) C07C 67/24 (2006.01)

Patent

CA 2103122

ABSTRACT OF THE DISCLOSURE A process for making glycol diesters from polyethers is disclosed. The polyether is reacted with an acyclic, aliphatic anhydride in the presence of a Lewis acid to produce the glycol diester. The invention provides a way to reuse polyether polyols recovered from polyurethanes by converting them to readily purified glycol diesters. The diesters are useful as solvents and as chemical intermediates.

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