CURABLE COMPOSITION

PROBLEM TO BE SOLVED: To provide a curable composition which provides a cured product having more excellent stain resistance than a conventional one, and can keep the effect over a long period of time.SOLUTION: A curable composition contains (A) component: 44 pts.mass or more and 99.2 pts.mass or le...

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Hauptverfasser: OBAYASHI RYOKO, MOCHIZUKI KATSUNOBU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a curable composition which provides a cured product having more excellent stain resistance than a conventional one, and can keep the effect over a long period of time.SOLUTION: A curable composition contains (A) component: 44 pts.mass or more and 99.2 pts.mass or less of a crosslinkable functional group-containing polymer (excluding (meth)acrylic polymer containing 25 mass% or more of structural unit derived from vinyl-based monomer having alkyl group having 10 or more carbon atoms), (B) component: 0.3 pts.mass or more and 50 pts.mass or less of a (meth)acrylic polymer having an alkyl group having 10 or more carbon atoms, and (C) component: 0.5 pts.mass or more and 6.0 pts.mass or less of an amine compound having an alkyl group or alkylene group having 6 or more carbon atoms (total of (A) component to (C) component is 100 pts.mass), where the (B) component contains 25 mass% or more of a structural unit derived from a vinyl-based monomer having an alkyl group having 10 or more carbon atoms in the total structural unit of the (meth)acrylic polymer.SELECTED DRAWING: None 【課題】得られる硬化物の耐汚染性が従来よりも優れたものであるとともに、その効果が長期間に亘り持続される硬化性組成物を提供する。【解決手段】(A)成分:架橋性官能基含有重合体(ただし、炭素数10以上のアルキル基を有するビニル系単量体に由来する構造単位を25質量%以上含む(メタ)アクリル系重合体を除く)44質量部以上99.2質量部以下、(B)成分:炭素数10以上のアルキル基を有する(メタ)アクリル系重合体0.3質量部以上50質量部以下、及び(C)成分:炭素数6以上のアルキル基又はアルキレン基を有するアミン化合物0.5質量部以上6.0質量部以下を含有し(ただし、(A)成分〜(C)成分の総計を100質量部とする)、前記(B)成分は、前記(メタ)アクリル系重合体の全構造単位中、炭素数10以上のアルキル基を有するビニル系単量体に由来する構造単位を25質量%以上含む、硬化性組成物。【選択図】なし