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    • 3. 发明申请
    • ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE PRODUCTS
    • 丙烯酸压敏粘合剂组合物和压敏胶粘剂产品
    • WO2013162056A1
    • 2013-10-31
    • PCT/JP2013/062745
    • 2013-04-24
    • KURARAY CO., LTD.
    • NAKADA, KanayoMORISHITA, YoshihiroOSHITA, Shinya
    • C09J153/00B32B27/00B32B27/30C09J7/02C09J133/08C09J133/10
    • C09J7/20B32B27/00B32B27/30C08F297/026C09J7/387C09J153/00C09J2201/606C09J2203/334C09J2205/114C09J2433/00C09J2453/00G09F3/10Y10T428/2891
    • There are provided a pressure-sensitive adhesive composition which is excellent in durability, whitening resistance, hot-melt processability, pressure-sensitive adhesion properties, holding power at high temperatures, heat resistance, weathering resistance, compatibility with tackifying resins, low-temperature properties and transparency, is excellent also in balance of these properties and rarely suffers adhesion acceleration, and pressure-sensitive adhesive products using the pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition comprises an acrylic block copolymer (I) having a polymer block (A) comprising methacrylic acid ester units and a polymer block (B) comprising acrylic acid ester units which are derived from an acrylic acid ester (1) represented by the general formula CH 2 =CH-COOR 1 (1) (wherein R 1 is an organic group of 4 to 6 carbon atoms) and an acrylic acid ester (2) represented by the general formula CH 2 =CH-COOR 2 (2) (wherein R 2 is an organic group of 7 to 12 carbon atoms), the mass ratio (1)/(2) of said acrylic acid ester (1) to said acrylic acid ester (2) being 65/35 to 20/80.
    • 提供了耐久性,耐白化性,热熔加工性,压敏粘合性,高温保持力,耐热性,耐候性,与增粘树脂的相容性,低温性能优异的粘合剂组合物 透明性也优异,在这些性能的平衡上也很少受到粘合加速,以及使用压敏粘合剂组合物的压敏粘合剂产品。 压敏粘合剂组合物包含具有包含甲基丙烯酸酯单元的聚合物嵌段(A)的丙烯酸嵌段共聚物(I)和包含丙烯酸酯单元的聚合物嵌段(B),所述丙烯酸酯单元来自表示的丙烯酸酯 由通式CH 2 = CH-COOR 1(1)(其中R 1是4至6个碳原子的有机基团)和由通式CH 2 = CH-COOR 2(2)表示的丙烯酸酯(2)(其中R 2 是7至12个碳原子的有机基团),所述丙烯酸酯(1)与所述丙烯酸酯(2)的质量比(1)/(2)为65/35至20/80。
    • 4. 发明申请
    • PLANAR LIGHT SOURCE ELEMENT ARRAY AND IMAGE DISPLAY DEVICE
    • 平面光源元件阵列和图像显示装置
    • WO2009047891A9
    • 2009-11-26
    • PCT/JP2008002820
    • 2008-10-07
    • KURARAY COUNIV TOHOKUABE KOJIUCHIDA TATSUO
    • ABE KOJIUCHIDA TATSUO
    • F21S2/00F21Y101/02G02F1/13357H01L33/00
    • G02F1/133606G02B6/0021G02B6/0053G02F1/133603G02F1/133611G02F2001/133607G02F2001/133613
    • Provided is a planar light source element array which radiates light having uniform luminance within a surface without generating a lamp image, even a thickness between a target surface and a light emitting element arrangement surface is small. The planar light source element array is provided with a plurality of planar light source elements (5). The planar light source element is provided with a light guide body (1), at least one light emitting element (2) arranged inside the light guide body, a light control member (4) arranged on the bottom surface or the like of the light guide body (1), and a reflecting member (3) arranged on the side surface side or the like of the light guide body. It is so set that the half or more of the light radiated from the light emitting element (2) enters at an angle to be totally reflected inside the light guide body (1) and that the reflecting member (3) returns light into the light guide body (1) by reflection. The light control member (4) is set to change the traveling direction of the reflected light and output the light to the external of the light guide body.
    • 提供一种平面光源元件阵列,即使目标表面和发光元件配置表面之间的厚度较小,也不产生灯图像地在表面内发射具有均匀亮度的光。 平面光源元件阵列设置有多个平面光源元件(5)。 该面状光源元件具备导光体(1),配置在该导光体内部的至少一个发光元件(2),配置在该灯的底面等上的光控制部件(4) 导光体(1),配置在该导光体的侧面等的反射部件(3)。 如此设定:从发光元件(2)辐射的一半或更多的光以一定角度入射,以在光导体(1)内全反射,并且反射构件(3)将光返回到光 引导体(1)反射。 光控制部件(4)被设定为改变反射光的行进方向并将其输出到导光体的外部。
    • 10. 发明申请
    • EASILY FIBRILLABLE FIBER
    • 易弯曲纤维
    • WO1997044511A1
    • 1997-11-27
    • PCT/JP1996001322
    • 1996-05-20
    • KURARAY CO., LTD.OHMORY, AkioYOSHIMOCHI, HayamiSANO, TomoyukiKOBAYASHI, SatoruNARAMURA, SyunpeiSATOH, Masahiro
    • KURARAY CO., LTD.
    • D01F08/02
    • D01F8/10D01F8/02Y10T428/2924Y10T428/2929
    • A fiber of a sea-island phase separation structure in which the sea phase is made of a highly orientable and highly crystalline polyvinyl alcohol polymer, the island phase is made of a water-insoluble cellulosic polymer excellent in alkaline liquid absorbing capacity, heat resistance and difficulty of melting, the size of the island is 0.03 to 10 mu m and the strength is 3 g/d or above and which can easily be separated into fibrils 0.05 to 8 mu m in diameter by wetting the fiber and applying a mechanical stress to the resulting fiber. The above fibril is a hydrophilic and high-strength one which is excellent in the property of capturing fine particles, reinforcing effects, alkaline liquid absorption, and the resistances to heating and melting, does not cause the elution of fiber components in fibrillation, and is freed from the problematic bubbling in beating or the problem of environmental pollution due to a heating solution. The fibril is extremely useful as the separator paper for alkaline batteries, the reinforcing fiber for cement slates, the reinforcing fiber for friction materials, or the like.
    • 海相分离结构的纤维,其中海相由高取向性和高度结晶的聚乙烯醇聚合物制成,岛相由碱性液体吸收能力,耐热性和耐热性优异的水不溶性纤维素聚合物制成, 熔化困难,岛的尺寸为0.03〜10μm,强度为3g / d以上,通过润湿纤维并施加机械应力,容易将其直径分割成直径为0.05〜8μm的纤维 所得纤维。 上述原纤维是捕获微粒,增强效果,碱液吸收和耐热熔融性优异的亲水性,高强度性,不会引起纤维成分在纤维化中的洗脱,并且是 摆脱了有问题的泡泡或由于加热溶液引起的环境污染问题。 原纤维作为碱性电池用隔膜纸,水泥板状增强纤维,摩擦材料用增强纤维等非常有用。