PRESSURE SENSITIVE ADHESIVE SHEET

• Main Authors: NIWA MICHIHITO, NISHIWAKI MASATAKA
• Format: Patent
• Language: English; Japanese
• Published: 11.01.2018
• 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

PROBLEM TO BE SOLVED: To provide a pressure sensitive adhesive sheet having a back side with low glossiness, easy to closely adhere an adhesive agent.SOLUTION: A pressure sensitive adhesive sheet has adhesiveness at a back side and includes a base material and an adhesive layer arranged on one surface of the base material. The back side of the pressure sensitive adhesive sheet has a 60° gloss value of 15 or less. The back side of the pressure sensitive adhesive sheet has a water contact angle of 105° or less.SELECTED DRAWING: Figure 1 【課題】低光沢で、粘着剤を密着させやすい背面を備えた粘着シートを提供する。【解決手段】基材と、該基材の一方の表面に設けられた粘着剤層と、を備える片面接着性の粘着シートが提供される。上記粘着シートの背面の６０°グロス値は１５以下である。上記粘着シートの背面の水接触角は１０５°以下である。【選択図】図１