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公开(公告)号：US20250108591A1
公开(公告)日：2025-04-03
申请号：US18977114
申请日：2024-12-11
Applicant: TOPPAN HOLDINGS INC.
Inventor： Yu TAKEUCHI , Hideyuki YAMAKAWA , Ayumi TANAKA
Abstract: This multilayer film comprises: a first film that serves as a substrate film; and a coating layer that is provided on one surface of the first film, and that includes an alkoxysilane hydrolysate and an alkoxysilane dehydration-condensation reaction product. At the surface of the coating layer, the amount of SiOH+, which is obtained using time-of-flight type secondary ion mass spectrometry and standardized according to the total positive ion amount, is within a range of 0.02 to 0.07.
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