PHOTOSENSITIVE RESIN COMPOSITION

• Main Authors: EIZAI HIROSHI, OKAMOTO YOSHIO
• Format: Patent
• Language: English; Japanese
• Published: 04.04.2022
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PRINTED CIRCUITS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a photosensitive resin composition that can form a cured product having excellent coatability for inkjet printing and also having excellent flame retardancy and bleeding resistance.SOLUTION: A photosensitive resin composition contains (A) an ultraviolet absorber having an ethylenically unsaturated group, (B) a (meth)acrylic compound with a weight average molecular weight of less than 500, (C) a phosphorus-containing flame retardant having an ethylenically unsaturated group, and (D) a photopolymerization initiator. The (A) ultraviolet absorber having an ethylenically unsaturated group has a maximum absorption wavelength in a wavelength range of 300 nm or more and 350 nm or less.SELECTED DRAWING: None 【課題】インクジェット法での塗工性に優れ、また、難燃性及び耐ブリード性に優れた硬化物を形成できる感光性樹脂組成物を提供する。【解決手段】（Ａ）エチレン性不飽和基を有する紫外線吸収剤と、（Ｂ）重量平均分子量が５００未満の（メタ）アクリル系化合物と、（Ｃ）エチレン性不飽和基を有するリン含有難燃剤と、（Ｄ）光重合開始剤と、を含む感光性樹脂組成物であり、前記（Ａ）エチレン性不飽和基を有する紫外線吸収剤が、３００ｎｍ以上３５０ｎｍ以下の波長領域に吸収極大波長を有する感光性樹脂組成物。【選択図】なし