SURFACE PROTECTIVE FILM

• Main Authors: GUO JIAMO, SHIMOMURA AYANE
• Format: Patent
• Language: English; Japanese
• Published: 16.03.2017
• 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 surface protective film of which an end is easily gripped from a punched body obtained by punching a laminate formed from an adherend and the surface protective film, and can be peeled from the adherend while securing an adhesive force.SOLUTION: There is provided a surface protective film having a base material layer, an intermediate layer, and an adhesive layer, where the intermediate layer contains a polypropylene resin and a crystal nucleus agent.SELECTED DRAWING: None 【課題】粘着力を確保しつつ、被着体と表面保護フィルムからなる積層体を打ち抜き加工して得られた打ち抜き体から、表面保護フィルムの端部を容易につかんで被着体から剥がすことができる表面保護フィルムを提供する。【解決手段】基材層と、中間層と、粘着層とを有する表面保護フィルムであって、前記中間層はポリプロピレン樹脂と結晶核剤とを含有する表面保護フィルム。【選択図】なし