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    • 1. 发明授权
    • Pressure-sensitive adhesive sheets comprising photo-polymerization product and production method thereof
    • 包含光聚合产物的压敏粘合片及其制备方法
    • US06299975B1
    • 2001-10-09
    • US09234126
    • 1999-01-19
    • Hitoshi TakahiraMasahiro OuraTakao YoshikawaHiroaki Kishioka
    • Hitoshi TakahiraMasahiro OuraTakao YoshikawaHiroaki Kishioka
    • B32B712
    • C09J133/06C08F220/12C08L33/06C08L2666/44C09J7/10C09J2201/606Y10T428/28Y10T428/31504
    • A pressure-sensitive adhesive sheet prepared by coating a composition containing a) 100 parts by weight of monomers composed of from 70 to 100% by weight of a (meth)acrylic acid alkyl ester, said alkyl group having from 2 to 14 carbon atoms, and from 0 to 30% by weight of a monoethylenically unsaturated monomer copolymerizing therewith, b) from 0.1 to 5 parts by weight of a radical chain inhibitor, c) from 0.02 to 5 parts by weight of a polyfunctional (meth)acrylate as a crosslinking agent, d) from 0.005 to 1 part by weight of a photopolymerization initiator, and e) from 0.01 to 10 parts by weight of a silane coupling agent, on a releasing-treated film having a good surface smoothness and photopolymerizing the coated layer to form a pressure-sensitive adhesive layer having a haze value of 1% or lower and a total light transmission of at least 90%. The pressure-sensitive adhesive sheet is excellent in the transparency, the foaming resistance, the low out-gas property, and the discoloring resistance (heat resistance and weather resistance).
    • 一种压敏粘合片,其通过涂布组合物制备,所述组合物含有:100重量份由70至100重量%的(甲基)丙烯酸烷基酯,所述具有2至14个碳原子的烷基, 和0至30重量%的与其共聚的单烯属不饱和单体,b)0.1至5重量份的自由基链抑制剂,c)0.02至5重量份作为交联的多官能(甲基)丙烯酸酯 试剂,d)0.005〜1重量份的光聚合引发剂,以及e)0.01〜10重量份的硅烷偶联剂,在具有良好表面光滑度的脱模处理膜和光聚合涂层上形成 雾度值为1%以下,总透光率为90%以上的粘合剂层。 粘合片的透明性,耐发泡性,低气体性,耐褪色性(耐热性和耐候性)优异。
    • 6. 发明授权
    • Reflection type liquid-crystal display unit
    • 反射式液晶显示单元
    • US06507378B1
    • 2003-01-14
    • US09309308
    • 1999-05-11
    • Shuji YanoSeiji UmemotoHitoshi Takahira
    • Shuji YanoSeiji UmemotoHitoshi Takahira
    • G02F11335
    • G02B6/0048G02B6/0031G02F1/133553G02F1/133615G02F2001/133616
    • A reflection type liquid-crystal in which a light guide plate is in tight contact with a liquid-crystal display element having a reflecting layer through a bonding layer with refractive index in a range of from 1.40 to 1.55 and whole light transmittivity in a range of not less than 90%, the light guide plate being designed so that incident light from an incidence side surface is emitted from a lower surface through prismatic irregularities formed on an upper surface, and the light emitted from the lower surface takes maximum intensity at an angle of 30 degrees or less with respect to a normal to a plane of the lower surface, while maximum intensity of leakage light from the upper surface at that angle is not larger than ⅕ of the maximum intensity in the lower surface, and incident light from the lower surface is transmitted from the upper surface.
    • 一种反射型液晶,其中导光板与具有反射层的液晶显示元件紧密接触,所述液晶显示元件通过折射率在1.40至1.55范围内的接合层和整个光透射率范围内 不小于90%的导光板被设计成使得来自入射侧表面的入射光从下表面通过形成在上表面上的棱镜不规则发射,并且从下表面发射的光以一定角度获得最大强度 相对于下表面的法线的法线为30度以下,而来自该角度的上表面的泄漏光的最大强度不大于下表面的最大强度的1/5,入射光 从下表面从上表面传递。
    • 8. 发明申请
    • RELEASE LINER
    • 释放内衬
    • US20130344324A1
    • 2013-12-26
    • US14004014
    • 2012-03-07
    • Satomi YoshieHitoshi Takahira
    • Satomi YoshieHitoshi Takahira
    • C09J7/02
    • C09J7/405B32B7/06B32B27/36B32B2307/748C09J2467/006C09J2483/005Y10T428/273Y10T428/31663Y10T428/31786
    • Provided is a release liner which includes a substrate derived from a poly(lactic acid), a biomass-derived plastic; and a releasable cured layer derived from a release agent. The releasable cured layer, even when employing an ultraviolet-curable silicone release agent as the release agent, is satisfactorily curable and exhibits good adhesion to the substrate. The release liner according to the present invention includes a poly(lactic acid) substrate; a release-treated layer present over at least one side of the substrate; and an undercoat layer lying between them. The undercoat layer is present in a mass of coating of typically from 0.1 to 5 g/m2 in solids content. The poly(lactic acid) substrate may contain a modifier. The release agent forming the release-treated layer may be an ultraviolet-curable silicone release agent. The ultraviolet-curable silicone release agent is preferably a cationically polymerizable ultraviolet-curable silicone release agent.
    • 提供一种剥离衬垫,其包括衍生自聚(乳酸)的基底,来自生物质的塑料; 以及衍生自脱模剂的可释放固化层。 即使使用紫外线固化性硅酮脱模剂作为脱模剂,可剥离固化层也令人满意地固化,对基材表现出良好的粘附性。 根据本发明的剥离衬垫包括聚(乳酸)基材; 位于衬底的至少一侧上的释放处理层; 和位于它们之间的底涂层。 底涂层以固体含量通常为0.1至5g / m 2的质量涂层存在。 聚(乳酸)底物可含有改性剂。 形成脱模处理层的脱模剂可以是紫外线固化性硅酮脱模剂。 紫外线固化性硅酮脱模剂优选为阳离子聚合性紫外线固化性硅酮剥离剂。
    • 9. 发明申请
    • DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET
    • 双面压敏粘合片
    • US20120208955A1
    • 2012-08-16
    • US13502178
    • 2010-10-20
    • Satomi YoshieHitoshi Takahira
    • Satomi YoshieHitoshi Takahira
    • C09J167/04
    • C09J175/06C08G18/4233C08G18/428C08G63/60C08G2170/40C09J7/10C09J167/00C09J2201/622C09J2467/00
    • A double sided pressure-sensitive adhesive sheet includes a pressure-sensitive adhesive layer made from a polyester-based pressure-sensitive adhesive composition containing a polyester including at least a lactic acid unit, a dibasic acid unit, and a glycol unit, a tackifier resin, and a crosslinking agent. The dibasic acid unit includes a dimer acid, the polyester has a weight average molecular weight of 20,000 to 200,000 and a glass transition temperature of −70 to −20° C. as measured using a differential scanning calorimeter at a temperature rise rate of 20° C./minute, the polyester has a hydroxyl value of 1 to 60 mgKOH/g, the adhesive composition contains 10 to 70 parts by weight of the tackifier resin based on 100 parts by weight of the polyester, and the pressure-sensitive adhesive layer has a gel fraction of 50 to 90% by weight.
    • 双面压敏粘合片包括由含有至少包含乳酸单元,二元酸单元和二醇单元的聚酯的聚酯系压敏粘合剂组合物制成的粘合剂层,增粘树脂 ,和交联剂。 二元酸单元包括二聚酸,聚酯的重均分子量为20,000〜200,000,玻璃化转变温度为-70〜-20℃,使用差示扫描量热计,以20℃的升温速度 所述聚酯的羟基值为1〜60mgKOH / g,所述粘合剂组合物含有10〜70重量份的所述增粘树脂,相对于所述聚酯为100重量份,所述粘合剂层 凝胶分数为50〜90重量%。