BLOCKED POLYISOCYANATE COMPOSITION, RESIN COMPOSITION, RESIN FILM AND LAMINATE

• Main Authors: YAMAUCHI MICHIKAZU, HORINOUCHI MISA, SHINOMIYA KIE
• Format: Patent
• Language: English; Japanese
• Published: 05.06.2023
• 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 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

To provide a blocked polyisocyanate composition that shows excellent curability when baked at 100°C, and also shows excellent hardness and chemical resistance as a resin film.SOLUTION: A blocked polyisocyanate composition comprises: a blocked polyisocyanate (B) that is derived from a polyisocyanate and a blocker comprising malonate, the blocked polyisocyanate comprising a constitutional unit represented by the general formula (I); and a melamine resin (M).SELECTED DRAWING: None 【課題】１００℃で焼付した際の硬化性に優れ、且つ、樹脂膜としたときの硬度及び耐薬品性に優れるブロックポリイソシアネート組成物を提供する。【解決手段】ブロックポリイソシアネート組成物は、ポリイソシアネートと、マロン酸エステルを含むブロック剤と、から誘導されたブロックポリイソシアネートであって、一般式（Ｉ）で表される構成単位を含む、ブロックポリイソシアネート（Ｂ）と、メラミン樹脂（Ｍ）と、を含む。［化１］TIFF2023076858000011.tif31170【選択図】なし