ADHESIVE, ADHESIVE SHEET, LAMINATE, AND FLEXIBLE DISPLAY

To provide an adhesive that has excellent transparency and also achieves both of heat resistance and moist-heat resistance, and bendability and windability, and an adhesive sheet, a laminate, and a display.SOLUTION: An adhesive for flexible displays contains: an acrylic copolymer (A); and a curing a...

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1. Verfasser: FUKUTA KATSUNORI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide an adhesive that has excellent transparency and also achieves both of heat resistance and moist-heat resistance, and bendability and windability, and an adhesive sheet, a laminate, and a display.SOLUTION: An adhesive for flexible displays contains: an acrylic copolymer (A); and a curing agent (B). The acrylic copolymer (A) is a copolymer of a monomer mixture containing all of monomers (a-1)-(a-4). The storage elastic modulus and loss tangent satisfy all of (1)-(7).SELECTED DRAWING: Figure 1 【課題】透明性に優れ、さらに耐熱性および耐湿熱性と、屈曲性および巻き取り性の両立が可能な粘着剤、粘着シート、および該積層体、さらにはディスプレイの提供。【解決手段】アクリル系共重合体(A)および硬化剤(B)を含み、アクリル系共重合体(A)は、モノマー(a-1)~(a-4)の全てを含むモノマー混合物の共重合体であり、貯蔵弾性率および損失正接が、(1)~(7)の全てを満たすことを特徴とする、フレキシブルディスプレイ用粘着剤により解決される。【選択図】 図1