SURFACE PROTECTIVE FILM AND OPTICAL MEMBER

• Main Authors: OKITA NATSUKO, YAMAGATA MASATO, TAKAHASHI TOMOKAZU
• Format: Patent
• Language: English; Japanese
• Published: 24.09.2020
• 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 surface protective film that secures high adhesiveness.SOLUTION: A surface protection film comprises a base material layer, and an adhesive layer disposed on at least one surface of the base material layer. The adhesive layer contains an acrylic polymer containing a C14-26 alkyl (meth) acrylate unit. In the acrylic polymer, the proportion of the C14-26 alkyl (meth) acrylate unit is 20 mass% or more.SELECTED DRAWING: None 【課題】表面保護フィルムの高い粘着性を確保する。【解決手段】表面保護フィルムは、基材層と、前記基材層の少なくとも一方の表面に配置された粘着剤層と、を備える。前記粘着剤層は、Ｃ１４−２６アルキル（メタ）アクリレート単位を含むアクリル系ポリマーを含む。前記アクリル系ポリマー中の前記Ｃ１４−２６アルキル（メタ）アクリレート単位の割合は、２０質量％以上である。【選択図】なし