SOLVENTLESS POLYURETHANE COMPOSITION AND ITS CURED PRODUCT

PROBLEM TO BE SOLVED: To provide a polyurethane composition which has good storage stability and good adhesion, gives a cured product having good external appearance with reduced foaming without surface tack, and has no problem of environmental hygiene. SOLUTION: The solventless polyurethane composi...

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Bibliographische Detailangaben
Hauptverfasser:	OKUMURA KINICHI, FUJIMOTO MITSUHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyurethane composition which has good storage stability and good adhesion, gives a cured product having good external appearance with reduced foaming without surface tack, and has no problem of environmental hygiene. SOLUTION: The solventless polyurethane composition comprises a urethane prepolymer having an isocyanate group and a curing catalyst, and contains not less than 3 mass% isocyanate groups, and the curing catalyst comprises at least one kind of an iron organic carboxylate and iron acetylacetonate which is dissolved in a solvent having a boiling point of not lower than 150°C, and the composition contains not more than 1 mass% solvent. COPYRIGHT: (C)2007,JPO&INPIT