CURABLE COMPOSITION, CURED ARTICLE THEREOF, AND ELECTRONIC COMPONENT HAVING THE CURED ARTICLE

To provide: a curable composition having an ejection property suitable for an inkjet printing method; a cured article thereof having flexibility suitable for a flexible printed wiring board; and an electronic component including the cured article.SOLUTION: A curable composition comprises: (A) a phot...

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Hauptverfasser: TAKASHIMA SHUHEI, GUO YANGMEI, ITO HIDEYUKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide: a curable composition having an ejection property suitable for an inkjet printing method; a cured article thereof having flexibility suitable for a flexible printed wiring board; and an electronic component including the cured article.SOLUTION: A curable composition comprises: (A) a photo-curable component including a (meth)acrylic monomer having no hydroxyl group and a (meth)acrylic monomer having a hydroxyl group; (B) a thermosetting component including an adduct-type block isocyanate compound; and (C) a photoinitiator. The curable composition includes, relative to 100 pts.mass of the (A) photo-curable component, the (meth)acrylic monomer having a hydroxyl group in an amount in the range of 1 pt.mass to 5 pts.mass and the adduct-type block isocyanate compound in an amount in the range of 5 pts.mass to 50 pts.mass and has a viscosity of 15 mPa s or less at 50°C; a cured article which can be obtained from the curable composition; and an electronic device including the cured article.SELECTED DRAWING: None 【課題】インクジェット印刷法に適した吐出性を有する硬化性組成物、フレキシブルプリント配線板に適した柔軟性を有するその硬化物、および当該硬化物を有する電子部品を提供する。【解決手段】(A)水酸基を有しない(メタ)アクリルモノマーおよび水酸基を有する(メタ)アクリルモノマーを含有する光硬化性成分、(B)アダクト型のブロックイソシアネート化合物を含有する熱硬化性成分、および(C)光重合開始剤を含有する硬化性組成物であって、当該硬化性組成物中の前記(A)光硬化性成分100質量部に対して、1質量部~5質量部の範囲の量の前記水酸基を有する(メタ)アクリルモノマーおよび5質量部~50質量部の範囲の量の前記アダクト型のブロックイソシアネート化合物を含有し、且つ50℃にて15mPa・s以下の粘度を有する、前記硬化性組成物、当該硬化性組成物から得られる硬化物、当該硬化物を有する電子部品。【選択図】なし