RELEASE FILM FOR SILICONE ADHESIVE LAYER AND SILICONE ADHESIVE SHEET

• Main Authors: SUGIYAMA RYUICHI, TSUJIUCHI NAOKI
• Format: Patent
• Language: English; Japanese
• Published: 31.10.2019
• 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 release film for silicone adhesive that is relatively inexpensive and has good releasability from silicone adhesive, and a silicone adhesive sheet using the release film.SOLUTION: Provided is a release film for silicone adhesive layer comprising a release layer on at least one surface of a base film and used for laminating, to the release layer, a silicone adhesive layer, and in which the release layer is a cured product of a composition containing a compound (a) containing an alkyl group having 8 or more carbon atoms and an ethylenically unsaturated group.SELECTED DRAWING: None 【課題】比較的安価でかつシリコーン粘着剤との剥離性が良好であるシリコーン粘着剤用離型フィルム、および該離型フィルムを用いたシリコーン粘着シートを提供する。【解決手段】基材フィルムの少なくとも一方の面に離型層を備え、該離型層上にシリコーン粘着層を積層するために用いられるシリコーン粘着層用離型フィルムであって、前記離型層が炭素数８以上のアルキル基とエチレン性不飽和基とを含む化合物（ａ）を含有する組成物の硬化物である、シリコーン粘着層用離型フィルム。【選択図】なし