Pressure-sensitive adhesive and detachable strip formed from it
    27.
    发明授权
    Pressure-sensitive adhesive and detachable strip formed from it 有权
    压敏粘合剂和从其形成的可拆卸带

    公开(公告)号:US08721832B2

    公开(公告)日:2014-05-13

    申请号:US13353590

    申请日:2012-01-19

    CPC classification number: C09J153/02 C09J7/387 C09J2201/618

    Abstract: Disclosed is a pressure-sensitive adhesive for single- or double-sidedly tacky pressure-sensitive adhesive strips that are redetachable without residue or destruction both by extensive stretching substantially in the bond plane and by peeling. The pressure-sensitive adhesive is composed at least of (1) a vinylaromatic block copolymer, (2) a solid tackifying resin having a softening temperature by the ring-and-ball method of more than 30° C. and (3) a resin which is liquid at room temperature (23° C.), wherein the fraction of liquid resin accounts for at least 40% by weight, based on the total amount of resin. Also disclosed are strips formed from the adhesive and the use of the strips to form redetachable bonds.

    Abstract translation: 公开了一种用于单层或双面粘性压敏粘合剂条的压敏粘合剂,其可通过基本上在粘合平面上大幅拉伸和剥离而无残留或破坏。 压敏粘合剂至少由(1)乙烯基芳族嵌段共聚物,(2)通过环球法测定的软化温度超过30℃的固体增粘树脂和(3)树脂 其在室温(23℃)下为液体,其中液体树脂的份数占树脂总量的至少40重量%。 还公开了由粘合剂形成的条带以及条带的使用以形成可重新连接的键。

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