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    • 6. 发明专利
    • Structural member for polishing
    • 结构构件用于抛光
    • JP2013000809A
    • 2013-01-07
    • JP2011131587
    • 2011-06-13
    • Three M Innovative Properties Coスリーエム イノベイティブ プロパティズ カンパニー
    • FUJITA ATSUSHISAITO HIROSUKE
    • B24B37/24B24B37/22C09J7/02C09J133/06H01L21/304
    • B24D11/00
    • PROBLEM TO BE SOLVED: To provide a structural member for polishing provided with an adhesive agent layer capable of maintaining a sufficient adhesive force even if immersed in a grinding liquid and fully inhibiting swelling caused by the grinding liquid.SOLUTION: The structural member for polishing includes a support body, an abrasive, and the adhesive agent layer joining these substances. The adhesive agent layer contains a polymer of monomers: including 58 to 85% by mass of a first monomer; 2 to 7% by mass of a second monomer; and 10 to 40% by mass of a third monomer. The first monomer is an alkyl (meth)acrylate having an alkyl group with carbon counts from 8 to 18 carbon atoms and provides a homopolymer with a glass-transition temperature of 0°C or less, the second monomer is a polar monomer that provides a homopolymer with a glass-transition temperature of 50°C or greater. The third monomer is an alkyl (meth)acrylate having an alkyl group with carbon counts from 4 to 18 carbon atoms or an aralkyl group having carbon counts from 7 to 18 carbon atoms and provides a homopolymer with a glass-transition temperature of 10°C or greater.
    • 要解决的问题:提供一种即使浸入研磨液中也能够保持足够的粘合力并且完全抑制由研磨液引起的溶胀的粘合剂层的抛光用结构体。 解决方案:用于抛光的结构构件包括支撑体,研磨剂和连接这些物质的粘合剂层。 粘合剂层含有单体的聚合物:包含58〜85质量%的第一单体; 2〜7质量%的第二单体; 和10〜40质量%的第三单体。 第一单体是具有碳数为8至18个碳原子的烷基的(甲基)丙烯酸烷基酯,并提供玻璃化转变温度为0℃或更低的均聚物,第二单体是极性单体,其提供 玻璃化转变温度为50℃以上的均聚物。 第三单体是具有碳数为4至18个碳原子的烷基或具有碳数为7至18个碳原子的碳计数的芳烷基的(甲基)丙烯酸烷基酯,并提供玻璃化转变温度为10℃的均聚物 或更大。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Transparent adhesive sheet and image display device including the same
    • 透明胶粘片和包括其的图像显示装置
    • JP2011074308A
    • 2011-04-14
    • JP2009229640
    • 2009-10-01
    • Three M Innovative Properties Coスリーエム イノベイティブ プロパティズ カンパニー
    • FUJITA ATSUSHIUEDA SAORITAKEDA HIKARISUZUKI SHUNSUKE
    • C09J7/00B32B27/00B32B27/30C09J11/06C09J133/14C09J133/26G02F1/13G09F9/00
    • PROBLEM TO BE SOLVED: To provide a transparent adhesive sheet that is prevented from causing display unevenness, bubbles, and peeling.
      SOLUTION: The transparent adhesive sheet 3, 3' is used for sticking a surface protective layer 4 or a touch panel 7 in an image display device 30 to the display surface of an image display unit 1 or is used for sticking the surface protective layer 4 to the touch panel 7. The transparent adhesive sheet comprises a copolymer containing (A) an alkyl (meth)acrylate having a 4-18C alkyl group, (B) an amide group-containing monomer and (C) a (meth)acrylic ester having an ether group. Furthermore, the copolymer contains (D-1) an amino group-containing monomer (wherein, the amino group-containing monomer is copolymerizable with monomer components (A), (B) and (C), thus constructing a copolymer together with components (A), (B) and (C)) and (D-2) an amino group-containing alkoxysilane compound. The acid value of the copolymer is 5 mgKOH/g or lower.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供防止显示不均匀,气泡和剥离的透明粘合片。 解决方案:透明粘合片3,3'用于将图像显示装置30中的表面保护层4或触摸面板7粘贴到图像显示单元1的显示表面,或者用于粘贴表面 保护层4到触摸面板7.透明粘合片包含含有(A)具有4-18个C烷基的(甲基)丙烯酸烷基酯,(B)含酰胺基的单体和(C)a(甲基) )丙烯酸酯。 此外,共聚物含有(D-1)含氨基单体(其中,含氨基的单体可与单体成分(A),(B)和(C)共聚,从而与成分 A),(B)和(C))和(D-2)含氨基的烷氧基硅烷化合物。 共聚物的酸值为5mgKOH / g以下。 版权所有(C)2011,JPO&INPIT