POLYESTER CATALYST SYSTEM AND PROCESS

POLYESTER CATALYST SYSTEM AND PROCESS

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 t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MUNTZ, RONALD L
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung: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.