Metal acetylacetonates as transesterification catalysts

Details Metal acetylacetonates as transesterification catalysts Metal acetylacetonates as transesterification catalysts

C - Chemistry, Metallurgy

08

G

C08G 64/30 (2006.01) C08F 4/72 (2006.01) C08G 71/04 (2006.01)

Patent

CA 2517554

The present invention relates to a process for preparing oligocarbonate polyols having a number average molecular weight of 500 to 5000 g/mol by reacting organic carbonates and aliphatic polyols in the presence of a metal acetylacetonate catalyst based on a metal which has an atomic number in the PTE of 39, 57, 59 to 69 or 71. The present invention also relates to the oligocarbonate polyols obtained by this process.

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