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    • 1. 发明专利
    • Low pressure transportation method and low pressure transportation system for processing solution
    • 低压运输方法和低压运输系统处理方案
    • JP2009138849A
    • 2009-06-25
    • JP2007315843
    • 2007-12-06
    • Nitto Denko Corp日東電工株式会社
    • KITANI YOSHIAKITAKAHASHI TOSHIKIMAKIHATA YOSUKEKITAMURA YOSHIHIRO
    • F17D1/08B01D19/00
    • B01D19/0036B01D19/0052
    • PROBLEM TO BE SOLVED: To provide a low pressure transportation method and a low pressure transportation system for a processing solution, which can surely prevent the mixing and dissolution of bubbles into the processing solution when the processing solution is transported from a first tank to a second tank even when performing deaeration and degassing in a batch system. SOLUTION: In the method for transporting the processing solution 2 comprising the steps of reducing the pressure in an airtight tank 11 of a degassing appartus 1 charged with the processing solution 2, thus degassing the processing solution 2, and then transporting the degassed processing solution 2 to an airtight tank 31 of a buffer tank 3 coupled with the airtight tank 11 via a coupling pipe 4, the viscosity of the processing solution 2 is in the range of 100-10,000 mPa s, and a pressure difference between the pressure in the airtight tank 11 and the pressure in the airtight tank 31 and the coupling pipe 4 is set in the range of 1-50 kPa during transportaion of the processing solution 2. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于处理溶液的低压输送方法和低压输送系统,当处理液从第一罐输送时,其可以确保地防止气泡混入和溶解到处理溶液中 即使在分批系统中进行脱气和脱气也可以连接到第二罐。 解决方案:在运送处理溶液2的方法中,包括以下步骤:降低装有处理溶液2的脱气装置1的气密罐11中的压力,从而使处理溶液2脱气,然后运送脱气 处理溶液2经由联接管4与气密箱11连接的缓冲罐3的气密箱31中,处理液2的粘度在100〜10000mPa·s的范围内,压力 在密封罐11中,并且在处理溶液2的运输期间将气密罐31和联接管4中的压力设定在1-50kPa的范围内。(C)版权所有(C)2009,JPO&INPIT
    • 4. 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
    • 5. 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
    • 10. 发明专利
    • Aqueous dispersion adhesive composition and adhesive film
    • 水性胶粘剂组合物和粘合膜
    • JP2008297539A
    • 2008-12-11
    • JP2008101755
    • 2008-04-09
    • Nitto Denko Corp日東電工株式会社
    • TAKAHASHI TOSHIKIOKADA KENICHIMAKIHATA YOSUKEINUI KUNIAKISHIMOKURI DAIKIOKADA MIYOSHI
    • C09J133/04C08F2/24C08F220/04C08F220/12C08F220/28C09J7/02G02B5/30
    • PROBLEM TO BE SOLVED: To provide an aqueous dispersion adhesive composition which shows high adhesion with a glass substrate and has excellent heat resistance and moisture resistance, and to provide a film including an adhesive layer made of the aqueous dispersion adhesive composition.
      SOLUTION: The aqueous dispersion adhesive composition comprises an aqueous dispersion copolymer obtained by reacting of a reaction component comprising an alkyl (meth)acrylate whose linear or branched alkyl group has 4-18 carbon atoms, (meth)acrylic acid, a phosphoric acid group-containing vinyl monomer and an alkoxysilyl group-containing vinyl monomer and 0.07-4 parts by weight of a crosslinking agent having reactivity with a carboxyl group per 100 parts by weight of the aqueous dispersion copolymer. An adhesive optical film is obtained by coating the aqueous dispersion adhesive composition on one side of the optical film 1, and heating and drying to form an adhesive layer 2.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种与玻璃基板具有高粘附性并且具有优异的耐热性和耐湿性的水分散性粘合剂组合物,并且提供包含由水分散性粘合剂组合物制成的粘合剂层的膜。 解决方案:水分散性粘合剂组合物包含由包含直链或支链烷基具有4-18个碳原子的(甲基)丙烯酸烷基酯,(甲基)丙烯酸,磷酸 含有酸基的乙烯基单体和含烷氧基甲硅烷基的乙烯基单体,每100重量份水分散体共聚物为0.07-4重量份与羧基具有反应性的交联剂。 通过将水性分散粘合剂组合物涂覆在光学膜1的一侧上并加热和干燥以形成粘合剂层2,获得粘合光学膜。版权所有(C)2009,JPO&INPIT