UNSATURATED GROUP-CONTAINING URETHANE PREPOLYMER, RESIN COMPOSITION FOR SURFACE PROTECTION COAT AND POLYMERIZATION CURED PRODUCT

PROBLEM TO BE SOLVED: To provide an unsaturated group-containing urethane prepolymer that is soluble in water or alcohol, and can improve surface hardness while maintaining hydrophilicity, and a resin composition for surface protection coat comprising the same and a polymerization cured product ther...

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Bibliographische Detailangaben
Hauptverfasser:	KOMINAMI TAKESHI, AOKI MASARU
Format:	Patent
Sprache:	eng ; jpn
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 BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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:	PROBLEM TO BE SOLVED: To provide an unsaturated group-containing urethane prepolymer that is soluble in water or alcohol, and can improve surface hardness while maintaining hydrophilicity, and a resin composition for surface protection coat comprising the same and a polymerization cured product thereof.SOLUTION: An unsaturated group-containing urethane prepolymer has a polyglycerol skeleton represented by formula (1) (where R is a dehydroxylated residue of a monool or polyol compound comprising a (meth) acryloyl group or a vinyl group, and m+n is an integer of 2-30).SELECTED DRAWING: None 【課題】水又はアルコール類に可溶性であり、親水性を保ちつつ、表面硬度を向上させることができる不飽和基含有ウレタンプレポリマー、これを含む表面保護コート用樹脂組成物及びその重合硬化物を提供することを目的とする。【解決手段】式（１）で表されるポリグリセリン骨格を有する不飽和基含有ウレタンプレポリマー。（式中、Ｒは（メタ）アクリロイル基又はビニル基を含むモノオール又はポリオール化合物の脱水酸基残基を表し、ｍ＋ｎは２〜３０の整数を表す。）【選択図】なし