Polyisocyanates suitable for the formulation of paints and varnishes with a low solvent content, and process for the preparation thereof

Disclosed is a polyisocyanate obtained by curing toluene diisocyanate, characterised by: - dry residue exceeding 60%, and preferably between 60 and 80% by weight; - viscosity between 500 and 2000 mPas; - a toluene diisocyanate monomer content of under 1% by weight; - a mean molecular weight of under...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FURIOSI, CRISTIAN, ZANETTI, LUCA, BUCARIA, FRANCESCA, GAGLIOPPA, GIORGIO, NERI MARI, MATTEO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS 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:	Disclosed is a polyisocyanate obtained by curing toluene diisocyanate, characterised by: - dry residue exceeding 60%, and preferably between 60 and 80% by weight; - viscosity between 500 and 2000 mPas; - a toluene diisocyanate monomer content of under 1% by weight; - a mean molecular weight of under 1500 amu; an isocyanate-reactive group content exceeding 10% by weight.