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    Optical Disc and an Ultraviolet-Curable Resin Composition Therefor
    4.
    发明申请
    Optical Disc and an Ultraviolet-Curable Resin Composition Therefor 审中-公开
    光盘及其紫外线固化树脂组合物

    公开(公告)号：US20090148651A1

    公开(公告)日：2009-06-11

    申请号：US12227620

    申请日：2007-06-05

    申请人： Kiyohisa Tokuda ,  Masahiro Naitou ,  Go Mizutani ,  Daisuke Kobayashi

    发明人： Kiyohisa Tokuda ,  Masahiro Naitou ,  Go Mizutani ,  Daisuke Kobayashi

    IPC分类号： B32B5/02 ,  C08L33/14

    CPC分类号： C08F290/06 ,  C08F222/1006 ,  C08F283/006 ,  C08F290/061 ,  C08F290/064 ,  C08F290/067 ,  C08G18/672 ,  C09D4/00 ,  C09D175/16 ,  G11B7/2542 ,  G11B7/266 ,  C08G18/40 ,  C08F220/36

    摘要： The present invention relates to an optical disc having a cured product layer of an ultraviolet-curable resin composition containing (A) dicyclopentenyloxyethyl acrylate, (B) urethane (meth)acrylate and/or (C) epoxy (meth)acrylate, and (D) photopolymerization initiator, and a resin composition for the cured product layer thereof and a cured product therewith; and the optical disc of the present invention has less warping after curing and is excellent in transparency and durability and therefore suitable for next generation high density optical discs where recording and/or reproducing are performed using a blue laser; the resin composition for said cured product layer has less deterioration with age and less viscosity change in recycle and is suitable for a coating agent of optical discs and for efficient production of optical discs.

    摘要翻译： 本发明涉及具有紫外线固化树脂组合物的固化产物层的光盘，该组合物含有（A）丙烯酸二环戊烯氧基乙酯，（B）氨基甲酸酯（甲基）丙烯酸酯和/或（C）环氧（甲基）丙烯酸酯和（D ）光聚合引发剂，和其固化产物层的树脂组合物和其固化产物; 本发明的光盘在固化后翘曲较小，透明性和耐久性优异，适用于使用蓝色激光进行记录和/或再现的下一代高密度光盘; 用于所述固化产物层的树脂组合物的年龄变化较小，再循环中的粘度变化较小，并且适用于光盘的涂布剂和用于光盘的有效生产。

    Uv-cure adhesive composition for optical disk, cured material and goods
    5.
    发明申请
    Uv-cure adhesive composition for optical disk, cured material and goods 审中-公开
    Uv固化胶粘剂组合物用于光盘，固化材料和商品

    公开(公告)号：US20060074209A1

    公开(公告)日：2006-04-06

    申请号：US10535142

    申请日：2003-11-18

    申请人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii

    发明人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii

    IPC分类号： C08F118/02

    CPC分类号： C09J4/00 ,  C08F290/064 ,  C09J133/06 ,  C09J163/10 ,  G03F7/027 ,  G03F7/038 ,  G11B7/256 ,  C08F220/32 ,  C08F222/1006

    摘要： A UV-cure adhesive for bonding an optical disk substrates one or both of which having a semitransparent reflective film of silver, a silver alloy, or the like. The thus produced bonded optical disk has a high durability equivalent to those of optical disks using a conventional gold semitransparent reflective film and is free of voids (air bubbles) that might be produced while the optical disk is manufactured by an optical disk manufacturing apparatus. The degradation in reflectance of the semitransparent reflective film can be suppressed even when the produced optical disk is exposed to direct sunlight for a long time. A UV-cure adhesive resin composition for bonding optical disk substrates contains (A) an epoxy (meth)acrylate, 2,2-dimethoxy-1,2-diphenylethan-1-one and (E) a monofunctional, bifunctional, trifunctional (meth)acrylate monomer, and has an electrical resistivity of 1000 MΩ·cm or less at 25° C.

    摘要翻译： 一种UV固化粘合剂，用于粘结其中一个或两个具有银半透明反射膜，银合金等的光盘基片。 如此制造的粘合光盘具有与使用传统的金半透明反射膜的光盘相当的耐久性，并且在由光盘制造装置制造光盘时可以产生空隙（气泡）。 即使所制造的光盘长时间暴露在阳光直射下，也可以抑制半透射反射膜的反射率的劣化。 用于粘合光盘基片的UV固化粘合树脂组合物包含（A）环氧（甲基）丙烯酸酯，2,2-二甲氧基-1,2-二苯基乙烷-1-酮和（E）单官能，双官能，三官能（甲基） ）丙烯酸酯单体，在25℃下的电阻率为1000Moga.cm以下

    Adhesive composition and optical disc prepared therewith
    8.
    发明申请
    Adhesive composition and optical disc prepared therewith 审中-公开
    粘合剂组合物和用其制备的光盘

    公开(公告)号：US20060223904A1

    公开(公告)日：2006-10-05

    申请号：US10567294

    申请日：2004-08-11

    申请人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii ,  Masahiro Naitoh ,  Takeo Miyake

    发明人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii ,  Masahiro Naitoh ,  Takeo Miyake

    IPC分类号： C08F290/00 ,  C08F2/46

    CPC分类号： C09J163/10 ,  G11B7/256

    摘要： The present invention provides an adhesive composition (a UV-curable resin composition) comprising a bisphenol type epoxy(meth)acrylate (A), a di(meth)acrylate compound (B) having a cyclic ether structure, and a photo-polymerization initiator (C), and a bonded optical disk which is adhered with a cured product of said adhesive composition. By adhering with said composition optical disk substrates having a translucent reflection film or a total reflection film comprising silver, a silver alloy, or the like, and obtaining a bonded optical disk, high durability equivalent to those of conventional bonded optical disks in which a translucent reflection film of gold is used, and high adhesion strength between a reflection film and an adhesive cured product, and a polycarbonate substrate and an adhesive cured product, can be obtained.

    摘要翻译： 本发明提供包含双酚型环氧（甲基）丙烯酸酯（A），具有环状醚结构的二（甲基）丙烯酸酯化合物（B））和光聚合引发剂的粘合剂组合物（UV可固化树脂组合物） （C）和粘合光盘，其粘合有所述粘合剂组合物的固化产物。 通过粘合具有半透明反射膜的所述组成光盘基片或包含银，银合金等的全反射膜，并获得粘结光盘，与传统的粘合光盘相比，具有高透光性 使用金的反射膜，并且可以获得反射膜和粘合剂固化产物之间的高粘合强度，以及聚碳酸酯基材和粘合剂固化产物。

    Adhesive Compositon for Optical Disk, Cured Product and Article
    10.
    发明申请
    Adhesive Compositon for Optical Disk, Cured Product and Article 审中-公开
    光盘粘合剂，固化产品及其制品

    公开(公告)号：US20080152857A1

    公开(公告)日：2008-06-26

    申请号：US11660013

    申请日：2005-08-10

    申请人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii ,  Masahiro Naitou ,  Takeo Miyake

    发明人： Go Mizutani ,  Kiyohisa Tokuda ,  Kazuhiko Ishii ,  Masahiro Naitou ,  Takeo Miyake

    IPC分类号： C08F2/46 ,  B32B3/26

    CPC分类号： G11B7/256 ,  C09J175/16

    摘要： Disclosed is an adhesive which enables to obtain a bonded optical disk, wherein optical disks having a total reflection film or a translucent reflection film made of silver or a silver alloy are bonded together, which exhibits high adhesion strength between the reflection film and a cured product of the adhesive as well as between a polycarbonate substrate and the cured product of the adhesive, while having high durability equivalent to those of the conventional optical disks using translucent reflective film made of gold. Specifically disclosed is an ultraviolet-curable adhesive resin composition containing a bisphenol-type epoxy (meth)acrylate (A), a di(meth)acrylate (B) and a photopolymerization initiator (C) which is characterized in that the di(meth)acrylate (B) is composed of one or more selected from a di(meth)acrylate (B-1) having an adipate structure, a di(meth)acrylate (B-2) having a caprolactone-modified structure, an alkylene oxide-modified neopentyl glycol di(meth)acrylate compound (B-3) and an alkylene oxide-modified 1,6-hexanediol di(meth)acrylate compound (B-4).

    摘要翻译： 公开了一种能够获得粘合光盘的粘合剂，其中具有全反射膜或由银或银合金制成的半透明反射膜的光盘结合在一起，其在反射膜和固化产物之间显示出高的粘合强度 的粘合剂以及聚碳酸酯基材和粘合剂的固化产物之间，同时具有与使用由金制成的半透明反射膜的常规光盘相当的高耐用性。 具体公开了含有双酚型环氧（甲基）丙烯酸酯（A），二（甲基）丙烯酸酯（B）和光聚合引发剂（C））的紫外线固化性粘合性树脂组合物，其特征在于，所述二（甲基） 丙烯酸酯（B）由选自具有己二酸酯结构的二（甲基）丙烯酸酯（B-1），具有己内酯改性结构的二（甲基）丙烯酸酯（B-2），烯化氧 - 改性新戊二醇二（甲基）丙烯酸酯化合物（B-3）和烯化氧改性的1,6-己二醇二（甲基）丙烯酸酯化合物（B-4）。