ADHESIVE SHEET

• Main Authors: ITO SAORI, MITSUYA NAOYA
• Format: Patent
• Language: English; Japanese
• Published: 05.10.2023
• Subjects: 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

To provide an adhesive composition which enables production of an adhesive that has good adhesive force before irradiation with active energy rays, is excellent in peelability (fine adhesiveness) after irradiation with active energy rays, and is excellent in antistatic performance.SOLUTION: An adhesive sheet has at least an adhesive layer (I) formed of an adhesive composition (i) containing an acrylic resin (A) and a conductive material (B), and an adhesive layer (II) formed of an adhesive composition (ii) containing no conductive material (B), wherein the adhesive composition (i) contains 0.01-1 pts.wt. of a conductive material (B) with respect to 100 pts.wt. of the acrylic resin (A), and the adhesive layer (II) containing no conductive material is a stuck surface to an adherend.SELECTED DRAWING: None 【課題】活性エネルギー線照射前の粘着力が良好であり、かつ、活性エネルギー線照射後の剥離性（微粘着性）に優れ、更に帯電防止性能にも優れた粘着剤を得ることができる粘着剤組成物を提供する。【解決手段】 アクリル系樹脂（Ａ）と導電性材料（Ｂ）を含有する粘着剤組成物（ｉ）から形成される粘着剤層（Ｉ）と導電性材料（Ｂ）を含有しない粘着剤組成物（ｉｉ）から形成される粘着剤層（ＩＩ）を少なくとも有する粘着シートであって、上記粘着剤組成物（ｉ）において、アクリル系樹脂（Ａ）１００重量部に対して、導電性材料（Ｂ）を０．０１～１重量部含有し、上記導電性材料を含有しない粘着剤層（ＩＩ）が被着体との貼り合わせ面である粘着シート。【選択図】なし