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    • 1. 发明申请
    • Pressure-Sensitive Adhesive Composition and Pressure-Sensitive Adhesive Sheet Using the Same
    • 压敏粘合剂组合物和使用其的压敏粘合片
    • US20090062467A1
    • 2009-03-05
    • US12223972
    • 2007-02-21
    • Takayuki AraiMikihiro KashioToshikazu Takata
    • Takayuki AraiMikihiro KashioToshikazu Takata
    • C08G65/48
    • C09J4/06C08L2666/02C09J7/38C09J105/16C09J123/22
    • A pressure-sensitive adhesive layer of pressure-sensitive adhesive sheet is formed by using: a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, and (B) a pressure-sensitive adhesive polymer having two or more functional groups capable of reacting with the reactive group; or, a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, (B′) a pressure-sensitive adhesive polymer having two or more reactive groups, and (C) a compound having two or more functional groups capable of reacting with the reactive group of the polyrotaxane (A) and the reactive groups of the polymer (B′). As a result there can be provided a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer excellent in flexibility and having high gel fraction and durability, and a pressure-sensitive adhesive composition that constitutes the pressure-sensitive adhesive layer.
    • 压敏粘合片的压敏粘合剂层通过使用以下方法形成:压敏粘合剂组合物,其包含(A)具有穿过至少两个环状分子的开口部分的直链分子的聚轮烷,所述环状分子具有 反应性基团,在该直链状分子的两端具有封端基的聚轮烷,(B)具有两个以上能够与该反应性基团反应的官能团的压敏粘合剂聚合物; 或包含(A)具有通过至少两个环状分子的开口部的直链状分子的聚轮烷的压敏粘合剂组合物,所述环状分子具有反应性基团,所述聚轮烷在线性的两端具有封端基 (B')具有两个或更多个反应性基团的压敏粘合剂聚合物,和(C)具有两个或更多个能够与聚轮烷(A)的反应性基团反应的官能团的化合物和反应性基团 的聚合物(B')。 结果,可以提供一种压敏粘合片,其包含柔软性优异并且具有高凝胶分数和耐久性的压敏粘合剂层和构成压敏粘合剂层的压敏粘合剂组合物。
    • 2. 发明授权
    • Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet using the same
    • 压敏粘合剂组合物和使用其的压敏粘合片
    • US08809454B2
    • 2014-08-19
    • US12223972
    • 2007-02-21
    • Takayuki AraiMikihiro KashioToshikazu Takata
    • Takayuki AraiMikihiro KashioToshikazu Takata
    • C08G63/48
    • C09J4/06C08L2666/02C09J7/38C09J105/16C09J123/22
    • A pressure-sensitive adhesive layer of pressure-sensitive adhesive sheet is formed by using: a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, and (B) a pressure-sensitive adhesive polymer having two or more functional groups capable of reacting with the reactive group; or, a pressure-sensitive adhesive composition comprising (A) a polyrotaxane having a linear-chain molecule passing through opening portions of at least two cyclic molecules, the cyclic molecules having a reactive group, the polyrotaxane having blocking groups at both ends of the linear-chain molecule, (B′) a pressure-sensitive adhesive polymer having two or more reactive groups, and (C) a compound having two or more functional groups capable of reacting with the reactive group of the polyrotaxane (A) and the reactive groups of the polymer (B′). As a result there can be provided a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer excellent in flexibility and having high gel fraction and durability, and a pressure-sensitive adhesive composition that constitutes the pressure-sensitive adhesive layer.
    • 压敏粘合片的压敏粘合剂层通过使用以下方法形成:压敏粘合剂组合物,其包含(A)具有穿过至少两个环状分子的开口部分的直链分子的聚轮烷,所述环状分子具有 反应性基团,在该直链状分子的两端具有封端基的聚轮烷,(B)具有两个以上能够与该反应性基团反应的官能团的压敏粘合剂聚合物; 或包含(A)具有通过至少两个环状分子的开口部的直链状分子的聚轮烷的压敏粘合剂组合物,所述环状分子具有反应性基团,所述聚轮烷在线性的两端具有封端基 (B')具有两个或更多个反应性基团的压敏粘合剂聚合物,和(C)具有两个或更多个能够与聚轮烷(A)的反应性基团反应的官能团的化合物和反应性基团 的聚合物(B')。 结果,可以提供一种压敏粘合片,其包含柔软性优异并且具有高凝胶分数和耐久性的压敏粘合剂层和构成压敏粘合剂层的压敏粘合剂组合物。