CURABLE COMPOSITION AND CURED PRODUCT THEREOF

• Main Authors: KAMADA, Takeru, MAETSU, Naritoshi, WATANABE, Jun
• Format: Patent
• Language: English; French; Japanese
• Published: 14.04.2022
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

Provided is a curable composition whereby it is possible to form a coating film having excellent adhesion to the surface of a substrate, hardness, scratch resistance, and chemical resistance.　This curable composition contains a polyol compound (A) having an isocyanurate skeleton, an acrylic compound (B) having a hydroxyl group, and a polyisocyanate compound (C) having an isocyanurate skeleton and an isocyanate group other than the isocyanurate skeleton.　The polyol compound (A) preferably includes a compound (a) represented by formula (1). R1 to R3 in the formula are the same or different from each other and are a group represented by formula (1a). L'invention concerne une composition durcissable au moyen de laquelle il est possible de former un film de revêtement ayant une excellente adhérence à la surface d'un substrat ainsi qu'une dureté, une résistance aux rayures et une résistance chimique excellentes.　Cette composition durcissable contient un composé polyol (A) ayant un squelette isocyanurate, un composé acrylique (B) ayant un groupe hydroxyle, et un composé polyisocyanate (C) ayant un squelette isocyanurate et un groupe isocyanate autre que le squelette isocyanurate.　Le composé polyol (A) comprend de préférence un composé (a) représenté par la formule (1). Dans la formule, R1 à R3 sont identiques ou différents les uns des autres et sont un groupe représenté par la formule (1a). 基材表面への密着性、硬度、耐擦傷性、並びに薬剤耐性を有する被膜を形成可能な硬化性組成物を提供する。　本開示の硬化性組成物は、イソシアヌレート骨格を有するポリオール化合物（Ａ）と、水酸基を有するアクリル化合物（Ｂ）と、イソシアヌレート骨格及びイソシアヌレート骨格以外のイソシアネート基を有するポリイソシアネート化合物（Ｃ）とを含む。　前記ポリオール化合物（Ａ）は、下記式（１）で表される化合物（ａ）を含むことが好ましい。式中のＲ1～Ｒ3は、同一又は異なって、下記式（１ａ）で表される基である。