CATALYST SYSTEM FOR CURING PHENOLIC RESOLE RESINS

The present invention relates to a catalyst system which improves the work life of acid-catalyzed resole resins at higher ambient temperatures and provides extended shelf life. The catalyst system comprises an inorganic acid catalyst and one or more polyhydric alcohols. In particular, the present in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SOMPALLI Krishnama Naidu, NARASIMHAN Srinivasan
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention relates to a catalyst system which improves the work life of acid-catalyzed resole resins at higher ambient temperatures and provides extended shelf life. The catalyst system comprises an inorganic acid catalyst and one or more polyhydric alcohols. In particular, the present invention relates to a catalyst system wherein the inorganic acid and the alcohol do not convert to an ester when added to the resole resin. La presente invención se refiere a un sistema catalizador que mejora la vida útil de las resinas de resol catalizadas por ácido a temperaturas ambiente más altas y proporciona una vida útil prolongada. El sistema catalizador comprende un catalizador de ácido inorgánico y uno o más alcoholes polihídricos. En particular, la presente invención se refiere a un sistema catalizador en el que el ácido inorgánico y el alcohol no se convierten en un éster cuando se añaden a la resina de resol.