ADHESIVE SHEET

To provide an adhesive sheet capable of significantly suppressing fine concavo-convex deformation.SOLUTION: Provided is an adhesive sheet having a colored adhesive layer. The adhesive layer contains an acrylic polymer. The gel fraction in the adhesive layer is 25% or more. The adhesive layer has a s...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMOOKA KEIGO, NISHIWAKI MASATAKA, SUMIDA HIROMICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	To provide an adhesive sheet capable of significantly suppressing fine concavo-convex deformation.SOLUTION: Provided is an adhesive sheet having a colored adhesive layer. The adhesive layer contains an acrylic polymer. The gel fraction in the adhesive layer is 25% or more. The adhesive layer has a storage modulus at 23°C of 0.05 MPa or more, and has tanδ at 23°C of 0.31 or more.SELECTED DRAWING: Figure 1 【課題】微細な凹凸変形を高度に抑制し得る粘着シートを提供する。【解決手段】着色された粘着剤層を有する粘着シートが提供される。上記粘着剤層は、アクリル系ポリマーを含む。また、上記粘着剤層のゲル分率は２５％以上である。さらに、上記粘着剤層は、２３℃での貯蔵弾性率が０．０５ＭＰａ以上であり、かつ、２３℃でのｔａｎδが０．３１以上である。【選択図】図１