TRIMERIZATION CATALYSTS FROM STERICALLY HINDERED SALTS AND TERTIARY AMINES HAVING ISOCYANATE REACTIVE GROUPS

TRIMERIZATION CATALYSTS FROM STERICALLY HINDERED SALTS AND TERTIARY AMINES HAVING ISOCYANATE REACTIVE GROUPS

The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst composi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOFFMAN, Robert, LENG, Boxun, BURDENIUC, JuanJesus, TOBIAS, James Douglas, HU, Xiubing
Format: Patent
Sprache:eng ; fre ; ger
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:The present invention provides trimerization catalyst compositions having a sterically hindered carboxylate salt used in combination with a tertiary amine catalysts having isocyanate reactive groups and methods to produce a polyisocyanurate/polyurethane foam using such trimerization catalyst compositions.