Phosphonium carboxylate catalysts for the preparation of...

C - Chemistry – Metallurgy – 07 – F

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403/13, 403/17,

C07F 9/54 (2006.01) C08G 18/16 (2006.01)

Patent

CA 1187896

Abstract of the Disclosure Reaction products of certain tertiary phosphines, alkylene oxides, and carboxylic acids have been found to be effective catalysts for the preparation of rigid and flexible foams characterized by isocyanurate and/or urethane linkages.

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