CURABLE COMPOSITION

• Main Authors: KOSUGE YUJI, UEDA KIYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 29.08.2019
• Subjects: 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

To provide a composition that makes it possible to obtain a cured film that is useful for electronic members such as a micro lens of an imaging element, and is cured at a low temperature and has a low refractive index with its refractive index of 1.40 or less.SOLUTION: The present invention provides an active energy ray curable composition for forming a cured film having a low refractive index with its refractive index of 1.40 or less, the composition having (A) a fluoroolefin polymer having an active energy ray-curable reactive group in a side chain, (B) hollow silica particles, and (C) solvent as essential components.SELECTED DRAWING: None 【課題】撮像素子のマイクロレンズ等エレクトロニクス部材に有用な、低温で硬化し屈折率が１．４０以下の低屈折率の硬化膜が得られる組成物を提供すること。【解決手段】屈折率が１．４０以下の低屈折率の硬化膜を形成するための活性エネルギー線硬化性組成物であって、（Ａ）側鎖に活性エネルギー線硬化性反応基を有するフルオロオレフィン重合体（Ｂ）中空シリカ粒子、及び（Ｃ）溶媒を必須成分として含む組成物。【選択図】なし