SILICONE COMPOSITE ANTI-FOULING SHEET, SCRIBBLE-PROOF CONSTRUCTION METHOD USING THE SAME

• Main Authors: IMAIZUMI KEIJI, MOGI MASAKI, ENDO AKIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 22.06.2022
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; DYES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

To provide a silicone composite anti-fouling sheet expressing anti-fouling property, washability, easy washability, and abrasion resistance stably for a long period of time, and capable of easily attaching to an adherend, capable of following cracks and shears of a face to be constructed, and a scribble-proof construction method using the same.SOLUTION: A silicone anti-fouling sheet 4 includes a substrate layer 1, and a silicone adhesive layer 2 laminated on one side of the substrate layer, where the substrate layer is composed of a fluorocarbon resin, the silicone adhesive layer has a hardness of 5 or less measured by an Asker C hardness meter, the tack strength to a mortar test piece is 5 N/25 mm or more, and a surface opposite to a face laminated with the silicone adhesive layer out of surfaces of the substrate layer is an anti-fouling face 7.SELECTED DRAWING: Figure 1 【課題】長期に安定して防汚性、洗浄性、洗浄容易性、耐摩耗性を示し、また、被着体に容易に貼りつけることができ、被施工面の割れやずれに対しても追従可能であるシリコーン複合防汚シート、及びそれを用いた落書き防止施工方法を提供する。【解決手段】基材層１と前記基材層の片面に積層したシリコーン粘着層２とを含むシリコーン複合防汚シート４であって、前記基材層がフッ素樹脂で構成され、前記シリコーン粘着層が、硬さがアスカーＣ硬度計で５以下であり、かつ、モルタルテストピースに対する粘着力が５Ｎ／２５ｍｍ以上のものであり、前記基材層の表面のうち、前記シリコーン粘着層を積層した側の面の反対側の表面が防汚面７であることを特徴とするシリコーン複合防汚シート。【選択図】図１