SURFACE PROTECTIVE FILM

• Main Author: YOSHIZAWA HISAE
• Format: Patent
• Language: English; Japanese
• Published: 27.10.2016
• Subjects: ADHESIVES; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; GENERAL PROCESSES OF COMPOUNDING; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS; WORKING-UP

PROBLEM TO BE SOLVED: To provide a surface protective film that has excellent scratch resistance, suppresses electrification due to static electricity, and can maintain these properties.SOLUTION: A surface protective film comprises a urethane resin, a polymer antistatic agent with a weight average molecular weight of 6000 or more, and a low molecular antistatic agent with a molecular weight of 1500 or less.SELECTED DRAWING: None 【課題】優れた耐傷性と静電気による帯電の抑制とその維持性とを両立した表面保護膜の提供。【解決手段】ウレタン樹脂と、重量平均分子量が６０００以上である高分子帯電防止剤と、分子量が１５００以下である低分子帯電防止剤と、を含有する表面保護膜。【選択図】なし