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    Ultraviolet-Curable Resin Composition For Optical Disc And Cured Product Thereof
    1.
    发明申请
    Ultraviolet-Curable Resin Composition For Optical Disc And Cured Product Thereof 审中-公开
    用于光盘及其固化产品的紫外线固化树脂组合物

    公开(公告)号：US20120282427A1

    公开(公告)日：2012-11-08

    申请号：US13511814

    申请日：2010-11-29

    申请人： Hiroki Tsutsumi ,  Daisuke Kobayashi ,  Masahiro Naitou ,  Yuichiro Matsuo ,  Jun Kidoba ,  Hayato Motohashi

    发明人： Hiroki Tsutsumi ,  Daisuke Kobayashi ,  Masahiro Naitou ,  Yuichiro Matsuo ,  Jun Kidoba ,  Hayato Motohashi

    IPC分类号： B32B3/02 ,  C08G18/75 ,  B29C35/08

    CPC分类号： G11B7/2533 ,  C08F290/067 ,  C08G18/672 ,  C08G18/755 ,  G11B7/24038 ,  G11B7/256 ,  G11B7/263

    摘要： The present invention relates to a multilayer optical disc having, as an intermediate layer, a cured product layer of an ultraviolet-curable resin composition containing an urethane (meth)acrylate (A) having one or two (meth)acrylate groups in one molecule obtained by reacting a monofunctional or bifunctional organic isocyanate (a) having a molecular weight of 350 or less with a mono(meth)acrylate (b) having a hydroxy group, a (meth)acrylate monomer (B) and a photopolymerization initiator (C), where the content of the (A) component is 5 to less than 40% by weight based on the total amount of the (A) component and the (B) component and the rest is (B), and to a resin composition for said cured product layer. Said resin composition has characteristics that it has a smaller variation in warp before and after curing the above-described resin composition when it is formed into the above-described intermediate layer, it is suitable for shaping a substrate by a 2P method because it allows good detachability of a stamper after curing, it is excellent in mass production of multilayer optical discs, and that the obtained optical disc therefrom has a smaller variation in warp before and after durability test under high temperature and high humidity.

    摘要翻译： 本发明涉及一种具有一分子中含有一个或两个（甲基）丙烯酸酯基团的氨基甲酸酯（甲基）丙烯酸酯（A））的紫外线固化树脂组合物的固化产物层作为中间层的多层光盘， 通过使分子量为350以下的单官能或双官能的有机异氰酸酯（a）与具有羟基的单（甲基）丙烯酸酯（b），（甲基）丙烯酸酯单体（B）和光聚合引发剂（C） ，其中（A）成分的含量相对于（A）成分和（B）成分的总量为5〜小于40重量％，其余为（B）），以及（A）成分的树脂组合物 所述固化产物层。 所述树脂组合物具有如下特征：当上述树脂组合物形成上述中间层时，其固化之前和之后的翘曲变化较小，因此适用于通过2P法成型基板，因为它允许良好 固化后的压模的可拆卸性，多层光盘的批量生产是优异的，并且所获得的光盘在高温高湿下耐久性试验前后的翘曲变化较小。

    Rotating heating roller of the type having a three phase circumferentially laminated leg core
    5.
    发明授权
    Rotating heating roller of the type having a three phase circumferentially laminated leg core 失效
    具有三相圆周层叠的腿芯的旋转加热辊

    公开(公告)号：US4647744A

    公开(公告)日：1987-03-03

    申请号：US753679

    申请日：1985-07-10

    申请人： Senjin Kitano ,  Hiroki Tsutsumi

    发明人： Senjin Kitano ,  Hiroki Tsutsumi

    IPC分类号： H05B6/14

    CPC分类号： H05B6/145

    摘要： A rotating heating roller includes a laminated core and four circumferential yokes provided on the core. A three-phase winding is mounted on the leg core between the yokes. The winding is divided into three coils and adjacent end parts of the coils are overlapped. These overlapped coil parts generate a higher induced electromotive force when excited than that of the non-overlapped coil parts. The higher electromotive force contributes to a uniform distribution of the surface temperature of the rotating roller.

    摘要翻译： 旋转加热辊包括层叠铁心和设置在铁芯上的四个周向轭铁。 三芯绕组安装在轭铁之间。 绕组分为三个线圈，线圈的相邻端部重叠。 这些重叠线圈部分在激发时产生比非重叠线圈部分更高的感应电动势。 较高的电动势有助于旋转辊的表面温度的均匀分布。