SILICONE COMPOSITE STAIN-RESISTANT SHEET AND CONSTRUCTION METHOD USING SAME TO PREVENT GRAFITTI

• Main Authors: ENDO Akihiro, YODA Masahiro, IMAIZUMI Keiji
• Format: Patent
• Language: English; French; German
• Published: 24.04.2024
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; 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; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS AS ADHESIVES; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention is an anti-fouling silicone composite sheet including a substrate layer, and a silicone adhesive layer stacked on one surface of the substrate layer, and having a hardness of 5 or less measured with an Asker C hardness tester and an adhesive force of 5 N/25 mm or more with respect to a mortar test piece, in which a surface of the substrate layer which is located on a side opposite to the surface where the silicone adhesive layer is stacked is a surface anti-fouling-treated with a silicone hard coating agent containing a fluorine-containing silicone compound. This can provide: an anti-fouling silicone composite sheet capable of exhibiting anti-fouling performance and washability stably for a long period, easily attachable to an adherend, and followable even to cracking and shifting on the application surface; and a method for preventing graffiti by using the anti-fouling silicone composite sheet.