Composite solid phase polymerization catalyst

Details Composite solid phase polymerization catalyst Composite solid phase polymerization catalyst

C - Chemistry, Metallurgy

08

G

C08G 63/82 (2006.01) C08G 63/183 (2006.01) C08G 63/80 (2006.01)

Patent

CA 2656998

The invention is a method for making condensation polymers, such as polyethylene terephthalate polyester. The method includes introducing to a poly condensation reaction a catalyst system that includes a coordination catalyst and a composite catalyst, which includes an acid component and an auxiliary component.

L'invention concerne un procédé de fabrication de polymères de condensation, tels que le polyéthylène téréphtalate polyester. Le procédé consiste à introduire un système catalytique dans une réaction de polycondensation, ledit système catalytique comprenant un catalyseur de coordination et un catalyseur composite, ledit catalyseur composite comprenant un composant acide et un composant auxiliaire.

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