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    • 83. 发明授权
    • Pressure-sensitive adhesive compositions, pressure-sensitive adhesive sheets and surface protecting films
    • 压敏粘合剂组合物,压敏粘合片和表面保护膜
    • US07887914B2
    • 2011-02-15
    • US11227829
    • 2005-09-15
    • Natsuki KobayashiTatsumi AmanoMasahiko Ando
    • Natsuki KobayashiTatsumi AmanoMasahiko Ando
    • B32B7/12B32B27/30
    • C09J133/14C09J7/385Y10S526/931Y10T428/28Y10T428/2878Y10T428/2891
    • An object of the present invention is to provide a pressure-sensitive adhesive composition which is excellent in antistatic property of a non-electrification-prevented adherend (a subject to be protected) upon peeling, and has reduced stainability in an adherend and is excellent in adhesion reliance, and electrification preventing pressure-sensitive adhesive sheets and surface protecting films using the same. There is provided a pressure-sensitive adhesive composition, which comprises a (meth)acryl-based polymer containing, as a monomer component, 5 to 100% by weight of a (meth)acrylic acid alkylene oxide adduct, 0 to 95% by weight of a (meth)acryl-based monomer having an alkyl group of a carbon number of 1 to 14 other than the adduct, and 0 to 95% by weight of other polymerizable monomer, and an alkali metal salt, wherein an acid value of the (meth)acryl-based polymer is 10 or lower.
    • 本发明的目的是提供一种在剥离时非防电脱离被粘物(被保护物)的抗静电性优异的粘合剂组合物,并且在被粘物中的染色性降低, 粘合依赖性和防电气化粘合片和使用其的表面保护膜。 提供了一种压敏粘合剂组合物,其包含(甲基)丙烯酸类聚合物,其含有作为单体成分的5〜100重量%的(甲基)丙烯酸烯化氧加合物,0〜95重量% 的具有除加合物之外的碳数为1至14的烷基和0至95重量%的其它可聚合单体的(甲基)丙烯酸基单体和碱金属盐,其中酸值 (甲基)丙烯酸类聚合物为10以下。