URETHANE COMPOUND OBTAINED BY ADDITION OF UNSATURATED GROUP-CONTAINING ISOCYANATE COMPOUND, PHOTOCURABLE COMPOSITION CONTAINING THE SAME AND ITS CURED MATERIAL

PROBLEM TO BE SOLVED: To obtain a curable composition having a low shrinkage percentage and high transparency of a cured material. SOLUTION: The urethane compound represented by general formula (1) (R1is a structure containing one or more kinds of saturated aliphatic groups containing a 1-20C straig...

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Bibliographische Detailangaben
Hauptverfasser:	MUROFUSHI KATSUMI, HATTORI YOTARO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS 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 curable composition having a low shrinkage percentage and high transparency of a cured material. SOLUTION: The urethane compound represented by general formula (1) (R1is a structure containing one or more kinds of saturated aliphatic groups containing a 1-20C straight-chain, branched or cyclic structure; R2is a structure containing a saturated aliphatic group or an aromatic ring containing a 1-10C straight-chain, branched or cyclic structure; R3is a hydrogen atom or a methyl group; n is an integer of 1-50; m is an integer of 1-3) is obtained by adding an isocyanate compound containing one or more (meth)acrylic group in the molecule to a polycarbonate diol compound containing hydroxy groups at both molecular terminals. COPYRIGHT: (C)2007,JPO&INPIT