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    ULTRAVIOLET-CURABLE COMPOSITION FOR OPTICAL DISK AND OPTICAL DISK
    1.
    发明申请
    ULTRAVIOLET-CURABLE COMPOSITION FOR OPTICAL DISK AND OPTICAL DISK 审中-公开
    用于光盘和光盘的超紫外线可固化组合物

    公开(公告)号：US20100278031A1

    公开(公告)日：2010-11-04

    申请号：US12743167

    申请日：2008-10-28

    申请人： Junji Yamaguchi ,  Daisuke Ito ,  Youichi Tanimoto ,  Hiroyuki Tokuda ,  Yasunari Kawashima ,  Hiroyuki Terada

    发明人： Junji Yamaguchi ,  Daisuke Ito ,  Youichi Tanimoto ,  Hiroyuki Tokuda ,  Yasunari Kawashima ,  Hiroyuki Terada

    IPC分类号： G11B7/26 ,  F21V9/06

    CPC分类号： C08F290/064 ,  C08L63/10 ,  G11B7/2542 ,  C08F222/1006 ,  C08F220/30 ,  C08L2666/14

    摘要： With branched epoxy(meth)acrylate which comprises a phenyl skeleton serving as a stiff molecular skeleton, and which comprises in the molecular skeleton a number of branched structures capable of forming a coating structure at a high crosslinking density after ultraviolet curing, it becomes possible to design the coating hardness to be high even if the content of an acryloyl group is designed to be low to effect less crosslinking reaction induced by ultraviolet curing, and it becomes possible to relax distortions inside a cured film due to cure shrinkage which occurs at the time of ultraviolet curing. As a result, there can be realized an ultraviolet-curable composition for an optical disk which has a high elastic modulus and is less tilted at the time of curing even if the coating hardness is designed to be high.

    摘要翻译： 对于具有作为刚性分子骨架的苯基骨架的支链环氧（甲基）丙烯酸酯，在分子骨架中包含能够在紫外线固化后能够以高交联密度形成涂布结构的多个支链结构体， 即使将丙烯酰基的含量设计得较低以使紫外线固化引起的交联反应减少，也能够使涂布硬度变高，并且由于固化时的固化收缩而使固化膜内的变形松弛 的紫外线固化。 结果，即使涂层硬度设计得高，也可以实现具有高弹性模量和固化时的倾斜度较小的光盘用紫外线固化性组合物。