THERMOSETTING POLYURETHANE RESIN AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To obtain a thermosetting polyurethane resin excellent in heat resistance and light resistance and to provide its manufacturing method and a shaped article thereof. SOLUTION: The thermosetting polyurethane resin is obtained by reacting a polyisocyanate compound comprising a pol...

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Hauptverfasser:	KOGA NOBUSHI, KANAYAMA HIROSHI, YOSHIDA YOSHIO
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To obtain a thermosetting polyurethane resin excellent in heat resistance and light resistance and to provide its manufacturing method and a shaped article thereof. SOLUTION: The thermosetting polyurethane resin is obtained by reacting a polyisocyanate compound comprising a polycyclic aliphatic polyisocyanate compound and a polyfunctional material obtained from an aliphatic polyisocyanate compound in a specific ratio with an active-hydrogen compound having substantially no active hydrogens on an atom other than oxygen. The thermosetting polyurethane resin retains excellent heat resistance and light resistance for a long term with no stabilizers added or with a reduced stabilizer content. COPYRIGHT: (C)2004,JPO&NCIPI