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    • 3. 发明专利
    • Adhesive composition, adhesive optical film, and image display device
    • 胶粘组合物,粘合光学薄膜和图像显示装置
    • JP2009035722A
    • 2009-02-19
    • JP2008133830
    • 2008-05-22
    • Nitto Denko Corp日東電工株式会社
    • OKADA KENICHITAKAHASHI TOSHIKIOKADA MIYOSHITAKAHIRA HITOSHIINUI KUNIAKI
    • C09J133/14C09J7/02C09J11/04G02B5/30
    • PROBLEM TO BE SOLVED: To provide an adhesive composition having a high adhesiveness with an optical film, moreover having heat resistance and moisture resistance, and excellent in transparency, to provide an adhesive optical film having an adhesive agent layer comprised of the adhesive composition, and to provide an image display device using the optical film. SOLUTION: The adhesive optical film comprises an optical film (1), an adhesive agent layer (3) laminated to one side of the optical film (1), and an undercoat layer (2) lying between the optical film (1). The adhesive agent layer (3) comprises a water dispersion-type adhesive composition containing a water dispersion of a copolymer, that is obtained by preparing and polymerizing a monomer component containing as essential components an alkyl acrylate and a carboxyl group-containing vinyl monomer and as an arbitrary component a copolymerizable vinyl monomer, and a water dispersion of a clay mineral so that a ratio of the clay mineral to the copolymer becomes 0.5-10 pts.wt. to 100 pts.wt. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供具有耐光性和耐湿性以及透明度优异的与光学膜具有高粘附性的粘合剂组合物,以提供具有由粘合剂组成的粘合剂层的粘合剂光学膜 并且提供使用该光学膜的图像显示装置。 粘合光学膜包括光学膜(1),层叠在光学膜(1)的一侧的粘合剂层(3)和位于光学膜(1)之间的底涂层(2) )。 粘合剂层(3)包括含有共聚物的水分散体的水分散型粘合剂组合物,其通过制备和聚合含有作为必需组分的丙烯酸烷基酯和含羧基的乙烯基单体的单体组分和作为 可共聚的乙烯基单体的任意组分和粘土矿物的水分散体,使得粘土矿物与共聚物的比例为0.5-10重量份。 到100磅 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Aqueous dispersion self-adhesive composition and self-adhesive film
    • 水分散剂自粘组合物和自粘膜
    • JP2009001673A
    • 2009-01-08
    • JP2007163931
    • 2007-06-21
    • Nitto Denko Corp日東電工株式会社
    • INUI KUNIAKIOKADA KENICHITAKAHASHI TOSHIKIMURAYAMA TSUNEKOMAKIHATA YOSUKE
    • C09J133/04C09J7/00C09J133/02C09J143/02C09J143/04
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersion self-adhesive composition having high adhesive properties with a glass substrate, and having high heat resistance and moisture resistance, an to provide a self-adhesive film with a self-adhesive layer composed of the aqueous dispersion self-adhesive composition.
      SOLUTION: The aqueous dispersion self-adhesive composition is prepared by blending a crosslinking agent having an oxazoline group of 0.07 to 1.5 parts by weight per 100 parts by weight of an aqueous dispersion copolymer obtained by reacting a reaction component containing alkyl(meth)acrylate whose linear or branched alkyl group has 4 to 18 carbon atoms, (meth)acrylic acid, a phosphoric acid group-containing vinyl monomer and an alkoxysilyl group-containing vinyl monomer. One side of an optical film 1 is coated with the same, and heating and drying are performed, so as to form a self-adhesive layer 2, thus the self-adhesive optical film is obtained.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种具有高玻璃衬底粘合性能并具有高耐热性和耐湿性的水性分散体自粘组合物,以提供具有自粘层的自粘膜 的水分散体自粘组合物。 水溶性分散体自粘合剂组合物通过将具有0.07至1.5重量份的具有恶唑啉基的交联剂相对于100重量份的水分散体共聚物而制备,所述水分散体共聚物通过使含有(甲基) )丙烯酸酯,其直链或支链烷基具有4至18个碳原子,(甲基)丙烯酸,含磷酸基的乙烯基单体和含烷氧基甲硅烷基的乙烯基单体。 光学膜1的一面被涂覆,进行加热干燥,形成自粘层2,得到自粘光学膜。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Aqueous dispersion type adhesive composition and adhesive tape
    • 水性分散型胶粘组合物和胶粘带
    • JP2003321660A
    • 2003-11-14
    • JP2002129619
    • 2002-05-01
    • Nitto Denko Corp日東電工株式会社
    • NAITO TOMOYAOKADA KENICHIHIRAO AKIRAUMEDA MICHIO
    • C09J7/02C09J133/04C09J143/04
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersion type adhesive composition used for an adhesive layer of an adhesive sheet capable of exhibiting a sufficient anchoring power against a hardly adhering film. SOLUTION: This aqueous dispersion type adhesive composition is obtained by preparing an aqueous dispersion of a copolymer consisting mainly of a (meth) acrylic acid ester by performing an emulsion polymerization of a monomer mixture consisting mainly of the (meth)acrylic acid ester and containing a silane-based monomer, and adding a silane compound having an amino group to the aqueous dispersion. The adhesive sheet is obtained by laminating the aqueous dispersion type adhesive composition as the adhesive layer on the substrate. The adhesive sheet can realize an excellent terminal peeling property and high holding property, and also exhibiting good adhesive properties by having less decrease in the anchoring power even after the preservation under a humidified atmosphere against the hardly adherent film. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种用于粘合剂片的粘合剂层的水分散型粘合剂组合物,其能够显示出对几乎不粘附的膜的足够的锚定力。 解决方案:该水分散型粘合剂组合物通过以主要由(甲基)丙烯酸酯组成的单体混合物的乳液聚合制备主要由(甲基)丙烯酸酯组成的共聚物的水分散体而获得, 并含有硅烷类单体,向该水分散体中加入具有氨基的硅烷化合物。 通过将水分散型粘合剂组合物作为粘合剂层层压在基材上而获得粘合片。 粘合片可以实现优异的端子剥离性和高保持性,并且即使在加湿气氛下保存在几乎不粘附的膜上之后,锚定力的降低也显示出良好的粘合性。 版权所有(C)2004,JPO
    • 8. 发明专利
    • Adhesive layer for optical film, adhesive optical film, and image-displaying device
    • 用于光学胶片的胶粘剂层,粘合光学薄膜和图像显示装置
    • JP2012111870A
    • 2012-06-14
    • JP2010262694
    • 2010-11-25
    • Nitto Denko Corp日東電工株式会社
    • SHIMOKURI DAIKITAKAHASHI TOSHIKIMAKIHATA YOSUKEOKADA KENICHI
    • C09J7/02C09J11/04C09J133/00C09J133/14C09J143/02C09J143/04G02B1/04G02F1/1335
    • PROBLEM TO BE SOLVED: To provide an adhesive layer for optical film, formed from an aqueous dispersion type adhesive composition, capable of satisfying optical characteristics, and also satisfying durability under a heated condition and a humidified condition.SOLUTION: This adhesive layer for the optical film formed from the aqueous dispersion type adhesive composition is characterized in that the aqueous dispersion type adhesive composition is an aqueous dispersion containing (A) an aqueous dispersion type (meth)acrylic copolymer containing 60 to 99.9 wt.% alkyl (meth)acrylate, and 0.1 to 10 wt.% carboxy group-containing monomer as monomer units based on the total amount of monomer units, and (B) an alkali silicate salt, and also the adhesive layer has ≤1% haze value in the case that its thickness is 23 μm.
    • 要解决的问题:提供一种由水分散型粘合剂组合物形成的能够满足光学特性并且还在加热条件和加湿条件下满足耐久性的光学膜用粘合剂层。 解决方案:由水分散型粘合剂组合物形成的用于光学膜的粘合剂层的特征在于,水分散型粘合剂组合物是含有(A)水分散型(甲基)丙烯酸共聚物的水性分散体,其含有60〜 99.9重量%的(甲基)丙烯酸烷基酯和0.1至10重量%的含羧基单体作为单体单元,基于单体单元的总量,和(B)碱金属硅酸盐,并且粘合剂层的≤ 在其厚度为23μm的情况下为1%雾度值。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Method of stripping pressure-sensitive adhesive optical film and pressure-sensitive adhesive optical film
    • 剥离感应胶粘剂薄膜和压敏胶粘剂薄膜的方法
    • JP2009197222A
    • 2009-09-03
    • JP2009009111
    • 2009-01-19
    • Nitto Denko Corp日東電工株式会社
    • TAKAHASHI TOSHIKIOKADA KENICHIINUI KUNIAKIMURAYAMA TSUNEKOMAKIHATA YOSUKE
    • C09J5/00C09J201/00G02B5/30G02F1/1335
    • C09J5/00C09J2205/302C09J2433/00
    • PROBLEM TO BE SOLVED: To provide a method of easily stripping a pressure-sensitive adhesive optical film from a glass substrate to which the pressure-sensitive adhesive optical film is attached without damaging the glass substrate and without leaving any adhesion residue on the glass substrate, and to provide a pressure-sensitive adhesive optical film used in the method of stripping pressure-sensitive adhesive optical film. SOLUTION: In the method of stripping pressure-sensitive adhesive optical film of stripping the pressure-sensitive adhesive optical film from the glass substrate to which the pressure-sensitive adhesive optical film is pasted, a pressure-sensitive adhesive layer of the pressure-sensitive adhesive optical film is made of a water dispersion type pressure-sensitive adhesive, the glass substrate with the optical film is exposed in an environment having a temperature of 40°C or higher and a relative humidity of 80% or more, or a temperature of 50°C or higher and a relative humidity of 70% or more and, thereafter, the pressure-sensitive adhesive optical film is stripped from the glass substrate. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种从粘附有粘合剂光学薄膜的玻璃基板上容易地剥离粘合型光学薄膜的方法,而不损害玻璃基板,并且不会在其上粘附残留物 并且提供在剥离压敏粘合剂光学膜的方法中使用的压敏粘合剂光学膜。 解决方案:在从粘贴有粘合型光学薄膜的玻璃基板剥离粘合型光学薄膜的压敏粘合剂光学薄膜剥离方法中,压敏粘合剂层的压力 粘合型光学薄膜由水分散型粘合剂制成,具有光学薄膜的玻璃基板在温度为40℃以上,相对湿度为80%以上的环境下曝光,或 温度为50℃以上,相对湿度为70%以上,然后从玻璃基板剥离粘合型光学膜。 版权所有(C)2009,JPO&INPIT