MASS FIXABLE BY ACTINIC RADIATION, AND USE OF SAID MASS

MASS FIXABLE BY ACTINIC RADIATION, AND USE OF SAID MASS

The invention relates to a storage-stable isocyanate-based one-component mass that can be fixed by irradiation with actinic radiation and which can be cured by heat. The mass comprises (A) an at least difunctional, solid isocyanate with a passivated surface and with a melting point of at least 40°C;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HENSCHEL, Andeas, EHRET, Markus
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 invention relates to a storage-stable isocyanate-based one-component mass that can be fixed by irradiation with actinic radiation and which can be cured by heat. The mass comprises (A) an at least difunctional, solid isocyanate with a passivated surface and with a melting point of at least 40°C; (B) an isocyanate-reactive component, which is selected from the group of alcohols, amines and thiols and mixtures thereof; (C) a radiation-curable compound; and (D) a photoinitiator. Further additives (E) can be contained optionally in the mass according to the invention. By being fixed with actinic radiation, the masses can be converted into a state that ensures the dimensional stability of the masses during the thermal curing.