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    • 3. 发明授权
    • Optical disk having a hard coat layer having lubricity imparted
    • 具有赋予润滑性的硬涂层的光盘
    • US07361393B2
    • 2008-04-22
    • US11130262
    • 2005-05-17
    • Satoshi KondoToshihiko HiguchiHirotsugu Yamamoto
    • Satoshi KondoToshihiko HiguchiHirotsugu Yamamoto
    • B32B3/02
    • G11B7/2542G11B7/252G11B7/2534G11B7/256G11B7/2585G11B2007/24306G11B2007/2571G11B2007/25713Y10T428/21
    • An optical disk of a system wherein a recording layer is to be irradiated with a laser beam through a thin film cover layer, wherein on the surface of the thin film cover layer, a hard coat layer is formed which is made of a cured product of an active energy ray curable composition comprising a polymerizable monomer (A), a colloidal silica (B), a lubricity-imparting agent (C) and an active energy ray polymerization initiator (D), as components. The lubricity-imparting agent (C) contains a lubricity-imparting agent (C-T) having, in one molecule, a moiety (c-1) exerting lubricity, a moiety (c-2) excellent in compatibility with the polymerizable monomer and an active energy ray curable functional group (c-3). In the optical disk of the present invention, the hard coat layer formed on the surface of the thin film cover layer is excellent in abrasion resistance, transparency and long-term surface lubricity.
    • 一种系统的光盘,其中通过薄膜覆盖层用激光束照射记录层,其中在薄膜覆盖层的表面上形成硬涂层,该涂层由固化产物 作为组分的包含可聚合单体(A),胶态二氧化硅(B),润滑性赋予剂(C)和活性能量射线聚合引发剂(D))的活性能量射线固化性组合物。 润滑性赋予剂(C)含有润滑性赋予剂(CT),其在一个分子中具有赋予润滑性的部分(c-1),与可聚合单体的相容性优异的部分(c-2)和活性 能量射线固化性官能团(c-3)。 在本发明的光盘中,形成在薄膜覆盖层的表面上的硬涂层具有优异的耐磨性,透明性和长期的表面润滑性。
    • 10. 发明授权
    • Optical disk having a hard coat layer having sebum stain proofness imparted
    • 具有赋予皮脂防污性的硬涂层的光盘
    • US07361394B2
    • 2008-04-22
    • US11131280
    • 2005-05-18
    • Satoshi KondoHirotsugu Yamamoto
    • Satoshi KondoHirotsugu Yamamoto
    • B32B3/02
    • G11B11/10584G11B7/252G11B7/2534G11B7/2542G11B7/256G11B7/258G11B7/2585G11B11/10586G11B2007/24306G11B2007/2571G11B2007/25713Y10T428/21
    • An optical disk of a system wherein a recording layer is to be irradiated throughout a thin film cover layer with a laser beam, wherein a hard coat layer (W) is formed on the thin film cover layer, and the hard coat layer (W) is made of a cured product of coating composition (X) comprising a polyfunctional compound (A) having at least two active energy ray curable polymerizable functional groups, a water and oil repellency-imparting agent (B), an active energy ray polymerization initiator (C) and a colloidal silica (D) having an average particle size of from 1 to 200 nm, provided that the water and oil repellency-imparting agent (B) is a water and oil repellency-imparting agent (B-T) having, in one molecule, a moiety (b-1) excellent in compatibility with the polyfunctional compound (A) and an active energy ray curable functional group (b-3). In the optical disk of the present invention, the hard coat layer formed of the surface of the thin film cover layer is excellent is abrasion resistance, transparency and long-term sebum stain proofness, particularly removability of fingerprints attached to its surface.
    • 一种系统的光盘,其中记录层将用激光束照射在整个薄膜覆盖层上,其中在薄膜覆盖层上形成硬涂层(W),硬涂层(W) 由包含具有至少两个活性能量射线固化性可聚合官能团的多官能化合物(A),拒油拒油剂(B),活性能量射线聚合引发剂(B) C)和平均粒径为1〜200nm的胶态二氧化硅(D),条件是拒水拒油剂(B)为拒油拒油剂(BT),其中一种 分子,与多官能化合物(A)的相容性优异的活性能量射线固化型官能团(b-3)的部分(b-1)。 在本发明的光盘中,由薄膜覆盖层的表面形成的硬涂层优异的是耐磨性,透明性和长期的皮脂污迹,特别是附着在其表面上的指纹的可除去性。