MANUFACTURE OF POLYISOCYANATE CONTAINING ISOCYANURATE GROUP AND USE OF SAME AS ISOCYANATE COMPONENT IN POLYISOCYANATE POLYADDUCT

MANUFACTURE OF POLYISOCYANATE CONTAINING ISOCYANURATE GROUP AND USE OF SAME AS ISOCYANATE COMPONENT IN POLYISOCYANATE POLYADDUCT

The present invention is directed to a process for the production of polyisocyanates containing isocyanurate groups by trimerizing a mixture of aliphatic-cycloaliphatic diisocyanates having a sterically unhindered isocyanate group bound to a primary aliphatic carbon atom and a sterically hindered is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOZEFU PEDAIN, DEIITAA AARUTO, GERUHARUTO KURAIN, RAINHARUTO HARUPAAPU, HANSU YOAHIMU KUROIDAA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
HETEROCYCLIC COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:The present invention is directed to a process for the production of polyisocyanates containing isocyanurate groups by trimerizing a mixture of aliphatic-cycloaliphatic diisocyanates having a sterically unhindered isocyanate group bound to a primary aliphatic carbon atom and a sterically hindered isocyanate group bound to a tertiary carbon atom which forms a part of a cycloaliphatic ring system and 1,6-diisocyanatohexane. The present invention is also directed to the polyisocyanates containing isocyanurate groups produced according to this process and to their use, optionally in blocked form, as an isocyanate component in the production of polyisocyanate polyaddition products, preferably polyurethane lacquers.