Preparation of recyclate polyols

Details Preparation of recyclate polyols Preparation of recyclate polyols

C - Chemistry, Metallurgy

07

C

C07C 31/18 (2006.01) C07C 29/128 (2006.01) C08G 18/30 (2006.01) C08J 11/24 (2006.01)

Patent

CA 2165900

The invention relates to a process for the preparation of recyclate polyols by reacting rigid polyurethane foam with short- chain hydroxyl-containing compounds, which comprises adding at least one epoxidized native fatty oil to the reaction mixture after glycolysis at a temperature from 10 to 80°C below the glycolysis temperature.

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