COMPOSITE SHEET FOR FORMING PROTECTIVE FILM

• Main Author: KOMASU YUICHIRO
• Format: Patent
• Language: English; Korean
• Published: 10.03.2021
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; 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; SEMICONDUCTOR DEVICES; TRANSPORTING; USE OF MATERIALS AS ADHESIVES

Provided is a composite sheet for forming a protective film, which is provided with a base material, and in which an energy ray-curable adhesive layer and a film for forming the protective film are laminated in this order and in contact with each other on one surface of the base material. Moreover, the composite sheet for forming the protective film has gel fraction of the adhesive layer of 80% or more or gel fraction of the adhesive layer of 20% or more and less than 80%, and has glass transition temperature of the film for forming the protective film of 3°C or more. 기재를 구비하고, 상기 기재의 한쪽 면 상에 에너지선 경화성 점착제층 및 보호막 형성용 필름이 이 순서로 서로 접촉하여 적층되어 있고, 상기 점착제층의 겔분율이 80％ 이상이거나, 또는 상기 점착제층의 겔분율이 20％ 이상 80％ 미만으로서, 상기 보호막 형성용 필름의 유리 전이 온도가 3℃ 이상인 보호막 형성용 복합 시트.