PREPARATION OF LOWLY VISCOUS MIXTURE OF POLYISOCYANATES CONTAINING ISOCYANURATE GROUP AND URETHANE GROUP

A process for the preparation of isocyanurate and urethane group-containing and, if desired, uretdiode and allophanate group-containing polyisocyanate mixtures by partially cyclizing organic, preferably (cyclo)aliphatic diisocyanates, in the presence of trimerization catalysts, deactivating these ca...

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Bibliographische Detailangaben
Hauptverfasser:	SHIYUTEFUAN BUORUFU, GIYUNTAA MOORUHARUTO, HANSU RENTSU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES HETEROCYCLIC COMPOUNDS INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A process for the preparation of isocyanurate and urethane group-containing and, if desired, uretdiode and allophanate group-containing polyisocyanate mixtures by partially cyclizing organic, preferably (cyclo)aliphatic diisocyanates, in the presence of trimerization catalysts, deactivating these catalysts, reacting the partially trimerized, isocyanurate and, if desired, uretdiode group-containing polyisocyanate mixture with 0.5 to 10 mol % of at least one aliphatic or cycloaliphatic alcohol and/or polyoxyalkylene alcohol, and separating off the monomeric diisocyanates.