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    • 3. 发明申请
    • Adhesive composition, adhesive optical film and image display device
    • 粘合剂组合物,胶粘剂光学膜和图像显示装置
    • US20090017298A1
    • 2009-01-15
    • US12216792
    • 2008-07-10
    • Kenichi OkadaToshitaka TakahashiMika OkadaHitoshi TakahiraKuniaki Inui
    • Kenichi OkadaToshitaka TakahashiMika OkadaHitoshi TakahiraKuniaki Inui
    • B32B33/00C08K3/34
    • C08K3/346B32B37/12B32B2457/20Y10T428/2848C08L33/06
    • An adhesive composition contains a copolymer obtained by preparing a monomer component containing an alkyl(meth)acrylate whose alkyl group has 4 to 18 carbon atoms, a carboxyl group-containing vinyl monomer and a phosphoric acid group-containing vinyl monomer as essential components, and containing, as an optional component, a copolymerizable vinyl monomer which is copolymerizable with the essential components so that an amount of the alkyl(meth)acrylate is from 60 to 99 parts by weight per 100 parts by weight of the monomer component, a total amount of the carboxyl group-containing vinyl monomer, the phosphoric acid group-containing vinyl monomer and the copolymerizable vinyl monomer is from 1 to 40 parts by weight per 100 parts by weight of the monomer component and polymerizing the monomer component; and a clay mineral so that an amount of the clay mineral is from 0.5 to 10 parts by weight per 100 parts by weight of the copolymer.
    • 粘合剂组合物含有通过制备含有烷基具有4至18个碳原子的(甲基)丙烯酸烷基酯,含羧基的乙烯基单体和含磷酸基的乙烯基单体作为必需组分的单体组分而获得的共聚物,以及 含有作为任选成分的可共聚的乙烯基单体,其可与基本成分共聚,使得(甲基)丙烯酸烷基酯的量相对于单体成分为100重量份为60〜99重量份, 的含羧基的乙烯基单体,含磷酸基的乙烯基单体和可共聚的乙烯基单体相对于100重量份的单体成分为1〜40重量份,并使单体成分聚合; 和粘土矿物,使得每100重量份共聚物的粘土矿物的量为0.5至10重量份。
    • 9. 发明申请
    • WATER-DISPERSED PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE AND PRESSURE-SENSITIVE ADHESIVE SHEET
    • 水分散型压敏粘合剂组合物,压敏粘合剂和压敏胶粘剂
    • US20140088239A1
    • 2014-03-27
    • US14115744
    • 2012-04-24
    • Mika OkadaChie Kitano
    • Mika OkadaChie Kitano
    • C09J7/02
    • C09J133/064C08L7/00C08L9/00C08L33/08C09J7/385C09J121/02C09J133/04C09J133/08C09J2201/606C09J2201/622C09J2421/00C09J2433/00
    • The present invention makes a water-dispersed PSA composition capable of forming a PSA that exhibits good adhesiveness to a non-polar adherend such as polyethylene and polypropylene at a low temperature. The water-dispersed PSA composition comprises a (meth)acrylic polymer obtained by polymerizing a monomer composition comprising as a primary component an alkyl(meth)acrylate having an alkyl group with 1 to 18 carbon atoms, and a latex containing a rubber component that is immiscible with the (meth)acrylic polymer, the (meth)acrylic polymer and the latex being mixed at a weight ratio ((meth)acrylic polymer/rubber latex) within a range of 95/5 to 25/75 based on solid contents; wherein a storage modulus in a range of −15° C. to 25° C. is 1 MPa or smaller, the storage modulus being determined by a dynamic viscoelastic measurement in which shear strain is applied at a frequency of 1 Hz, the measurement being taken with respect to the water-dispersed PSA composition dried at 100° C. for 3 minutes.
    • 本发明提供一种能够在低温下形成对非极性被粘物如聚乙烯和聚丙烯具有良好粘附性的PSA的水分散型粘合剂组合物。 水分散性粘合剂组合物包含通过聚合含有具有1至18个碳原子的烷基的(甲基)丙烯酸烷基酯作为主要组分的单体组合物而获得的(甲基)丙烯酸类聚合物,和含有橡胶组分的胶乳 与(甲基)丙烯酸类聚合物不混溶,(甲基)丙烯酸类聚合物和胶乳以((甲基)丙烯酸类聚合物/橡胶胶乳)的重量比混合,基于固体成分为95/5〜25 / 其中在-15℃至25℃的范围内的储能模量为1MPa或更小,储能模量通过动态粘弹性测量来确定,其中以1Hz的频率施加剪切应变,测量为 对于在100℃下干燥3分钟的水分散性粘合剂组合物。
    • 10. 发明申请
    • AQUEOUS-DISPERSION-TYPE PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET
    • 水性分散型压敏粘合剂组合物和压敏胶粘剂
    • US20130030110A1
    • 2013-01-31
    • US13638261
    • 2012-01-16
    • Mika OkadaChie Kitano
    • Mika OkadaChie Kitano
    • C09J133/08
    • C09J133/08C08L33/08C08L93/04C08L2205/02
    • Provided is a water-dispersed pressure-sensitive adhesive composition useful for purposes of producing a pressure-sensitive adhesive sheet having high rough surface adhesiveness also in a good balance with the other properties, and so on. The pressure-sensitive adhesive composition comprises an acrylic polymer pAX, and an acrylic polymer pAY having a Mw of 1×103 to 50×103, at a mass ratio of 100:6-35. In pAX, 60 to 99.5% by mass of a C2-18 alkyl (meth)acrylate M1X and 0.5 to 12% by mass of a functional-group-containing monomer M2X are copolymerized while in pAY, 60 to 95% by mass of a C2-18 alkyl (meth)acrylate M1Y and 5 to 40% by mass of a functional-group-containing monomer M2Y are copolymerized. When SPX and SPY are solubility parameters calculated from M1X and M1Y, the solubility difference ΔSP defined as |SPY−SPX| is 0.25 (cal/cm3)1/2 or greater.
    • 本发明提供一种水分散型压敏粘合剂组合物,其用于制备具有高粗糙表面粘合性的压敏粘合剂片的目的也与其它性能的良好平衡等。 压敏粘合剂组合物包含丙烯酸聚合物pAX和质量比为100:6-35的Mw为1×103〜50×103的丙烯酸聚合物层。 在pAX中,在pAY中共聚60〜99.5质量%(甲基)丙烯酸C218烷基酯M1X和0.5〜12质量%的含官能团的单体M2X,在pAY中共聚60〜95质量% C2-18烷基(甲基)丙烯酸酯M1Y和5〜40质量%的含官能团的单体M2Y共聚。 当SPX和SPY是从M1X和M1Y计算的溶解度参数时,溶解度差&Dgr; SP定义为| SPY-SPX | 为0.25(cal / cm 3)1/2以上。