Polyester catalyst system and process

Details Polyester catalyst system and process Polyester catalyst system and process

C - Chemistry, Metallurgy

08

G

252/113, 402/210

C08G 63/87 (2006.01) C08G 63/86 (2006.01)

Patent

CA 1094536

Abstract of the Disclosure A polycondensation catalyst system comprising an antimony-containing polycondensation catalyst and selected ethylenically unsaturated compounds, such as pentacrythritol triacrylate. The ethylenically unsaturated compound stabilizes the antimony-containing catalyst. The catalyst system finds use in the polycondensation step in the production of a polyester.

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