公开(公告)号：JP2013159662A

公开(公告)日：2013-08-19

申请号：JP2012021082

申请日：2012-02-02

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： KITANO CHIE ,  OKADA MIYOSHI ,  NISHIMURA IZUMI

IPC: C09J7/02 ,  C09J133/04

CPC classification number: C09J133/04 ,  C08L33/04 ,  C08L2201/50 ,  C09J7/385 ,  C09J2433/00

Abstract: PROBLEM TO BE SOLVED: To provide a water dispersible pressure-sensitive adhesive agent which has high peelability at a practical peeling rate while maintaining satisfactory pressure-sensitive adhesion to an adherend, and to provide a surface protection film using the water dispersible pressure-sensitive adhesive agent.SOLUTION: A surface protection film has a pressure-sensitive adhesive agent layer formed from a water dispersible pressure-sensitive adhesive agent on one surface of a support film, wherein the water dispersible pressure-sensitive adhesive agent includes an acrylic polymer (A) which contains a monomer component (a2) essentially consisting of alkyl (meth)acrylate ester (a1) as a monomer unit and an acrylic polymer (B) which contains a monomer component (b2) containing at least 75 wt.% of alkyl (meth)acrylate ester (b1), homopolymer of the monomer component (b2) having a glass transition temperature of 20°C or more, as a monomer unit and has a glass transition temperature higher than the glass transition temperature of the acrylic polymer (A) and the pressure-sensitive adhesive agent layer, in a DSC(differential scanning calorimeter) measurement, has peaks of glass transition temperatures respectively detected at -20°C or less and at a temperature of 30 to 190°C.

Abstract translation: 要解决的问题：提供一种水分散性压敏粘合剂，其在实际的剥离速度下具有高剥离性，同时保持对被粘物的令人满意的压敏粘合性，并提供使用该水分散性压敏粘合剂的表面保护膜 表面保护膜具有由支持膜的一个表面上的水分散性压敏粘合剂形成的压敏粘合剂层，其中水分散性压敏粘合剂包括丙烯酸类聚合物（A） 其包含基本上由作为单体单元的（甲基）丙烯酸烷基酯（a1）组成的单体组分（a2）和含有至少75重量％的烷基（甲基）丙烯酸酯的单体组分（b2）的丙烯酸类聚合物（B） ）丙烯酸酯（b1），玻璃化转变温度为20℃以上的单体成分（b2）的均聚物作为单体单元，具有玻璃化转变温度 高于丙烯酸类聚合物（A）和粘合剂层的玻璃化转变温度，在DSC（差示扫描量热计）测定中，分别在-20℃以下分别检测出玻璃化转变温度的峰值， 温度为30〜190℃。

公开(公告)号：JP2012140625A

公开(公告)日：2012-07-26

申请号：JP2012010808

申请日：2012-01-23

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： TERADA YOSHIO ,  WANO TAKASHI ,  NAKAYAMA JUNICHI ,  NAITO TOMOYA ,  OKADA MIYOSHI

IPC: C09J7/00 ,  C08F2/44 ,  C08F20/00 ,  C08J5/18 ,  C09J9/00 ,  C09J11/04 ,  C09J133/00 ,  C09J133/08 ,  C09J133/10 ,  C09J201/00 ,  H01L23/36 ,  H05K7/20

Abstract: PROBLEM TO BE SOLVED: To provide an adhesive heat-conducting member excellent in both of thermal conductivity and adhesiveness, and to provide a method for producing the member.SOLUTION: The adhesive heat-conducting member comprises an inorganic-polymer composite material where a hydrophilic inorganic compound having a maximum length or a primary particle average diameter of 1 to 1,000 nm is unevenly distributed on the surfaces of the polymer particles having a median diameter of 0.05 to 100 μm on a volume basis. The adhesive heat-conducting member is obtained by the production method of an adhesive heat-conducting member, the method including steps of: dispersing a hydrophilic inorganic compound in water to prepare an aqueous dispersion of the inorganic compound; compounding the aqueous dispersion with an ethylenically unsaturated monomer and emulsifying the ethylenically unsaturated monomer to prepare a monomer emulsion; compounding a surfactant into at least one of water, the aqueous dispersion, the ethylenically unsaturated monomer and the monomer emulsion; and polymerizing the ethylenically unsaturated monomer in the monomer emulsion.

Abstract translation: 要解决的问题：提供导热性和粘合性两者都优异的粘合剂导热构件，并提供制造该构件的方法。 粘合导热构件包括无机 - 聚合物复合材料，其中具有1至1,000nm的最大长度或初级颗粒平均直径的亲水性无机化合物不均匀地分布在具有 中值粒径为0.05〜100μm。 通过粘合导热构件的制造方法获得粘合导热构件，该方法包括以下步骤：将亲水性无机化合物分散在水中以制备无机化合物的水分散体; 将水性分散体与烯键式不饱和单体混合并乳化烯属不饱和单体以制备单体乳液; 将表面活性剂混合到水，水分散体，烯键式不饱和单体和单体乳液中的至少一种中; 并在单体乳液中聚合烯属不饱和单体。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010073789A

公开(公告)日：2010-04-02

申请号：JP2008237899

申请日：2008-09-17

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： TERADA YOSHIO ,  WANO TAKASHI ,  NAKAYAMA JUNICHI ,  NAITO TOMOYA ,  OKADA MIYOSHI

IPC: H01L23/373 ,  C08K3/00 ,  C08L101/00 ,  G06F1/20 ,  H01L23/36 ,  H05K7/20

CPC classification number: H01L2224/33

Abstract: PROBLEM TO BE SOLVED: To provide a thermally conductive member which has superior heat conductivity and adhesive strength, and to provide a microprocessor and electronic equipment equipped with the thermally conductive member. SOLUTION: In the microprocessor 1 including a CPU 3, a heat spreader 5 disposed opposite the CPU 3, and a first thermally conductive member 4 interposed between the CPU 3 and heat spreader 5, the first thermally conductive member 4 is made of an inorganic-polymer composite having a hydrophilic inorganic compound of 1 to 1,000 nm in maximum length unevenly distributed on a surface of a polymer particle of 0.05 to 100 μm in volume-basis median diameter. The organic-polymer composite forming the first thermally conductive member 4 has the hydrophilic inorganic compound unevenly distributed on the surface of the polymer particle. Consequently, the microprocessor 1 having the first thermally conductive member 4 efficiently dissipates heat generated by the CPU 3 to the heat spreader 5 by the first thermally conductive member 4 to efficiently dissipate the heat. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异的导热性和粘合强度的导热构件，并提供配备有导热构件的微处理器和电子设备。 解决方案：在包括CPU 3的微处理器1中，与CPU3相对设置的散热器5和插入在CPU 3和散热器5之间的第一导热构件4，第一导热构件4由 无机聚合物复合体，其具有1〜1000nm的亲水性无机化合物，其最大长度不均匀地分布在聚合物粒子的表面上，体积基准中值粒径为0.05〜100μm。 形成第一导热构件4的有机 - 聚合物复合物具有不均匀分布在聚合物颗粒表面上的亲水性无机化合物。 因此，具有第一导热构件4的微处理器1通过第一导热构件4有效地将由CPU 3产生的热量散发到散热器5，以有效地散热。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2013007024A

公开(公告)日：2013-01-10

申请号：JP2012033057

申请日：2012-02-17

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： OKADA MIYOSHI ,  KITANO CHIE

IPC: C09J133/06 ,  C09J7/00 ,  C09J11/08 ,  C09J121/02

Abstract: PROBLEM TO BE SOLVED: To provide a water-dispersion type adhesive composition capable of forming an adhesive excellent in adhesivity to a nonpolar adherend and not spoiling the properties also at low temperatures.SOLUTION: The water-dispersion type adhesive composition contains a (meth)acrylic polymer obtained by polymerizing a monomer composition having an alkyl (meth)acrylate whose alkyl group has 1 to 18 carbon atoms as a main component, a latex containing a rubber component incompatible with the (meth)acrylic polymer and having a loss tangent peak temperature of ≤-5°C as measured by a dynamic viscoelasticity measurement in a shear strain at a frequency of 1 Hz, and a tackifier compatible with the rubber component and incompatible with the (meth)acrylic polymer.

Abstract translation: 要解决的问题：提供一种能够形成对非极性被粘物的粘附性优异的粘合剂并且在低温下也不破坏性能的水分散型粘合剂组合物。 解决方案：水分散型粘合剂组合物包含通过聚合具有烷基具有1至18个碳原子的（甲基）丙烯酸烷基酯作为主要成分的单体组合物而获得的（甲基）丙烯酸类聚合物， 与（甲基）丙烯酸类聚合物不相容的橡胶组分，并且在频率为1Hz的剪切应变中通过动态粘弹性测量测量的损耗正切峰温度为≤-5℃，和与橡胶组分相容的增粘剂和 与（甲基）丙烯酸聚合物不相容。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2009035722A

公开(公告)日：2009-02-19

申请号：JP2008133830

申请日：2008-05-22

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： OKADA KENICHI ,  TAKAHASHI TOSHIKI ,  OKADA MIYOSHI ,  TAKAHIRA HITOSHI ,  INUI KUNIAKI

IPC: C09J133/14 ,  C09J7/02 ,  C09J11/04 ,  G02B5/30

Abstract: 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

Abstract translation: 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

公开(公告)号：JP2008303327A

公开(公告)日：2008-12-18

申请号：JP2007153033

申请日：2007-06-08

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： OKADA MIYOSHI ,  NAITO TOMOYA

IPC: C09J133/06 ,  C08F2/44 ,  C08F220/10 ,  C08F230/02 ,  C09J7/02 ,  C09J133/02 ,  C09J143/04 ,  G02B5/30

Abstract: PROBLEM TO BE SOLVED: To provide an aqueous dispersion-type pressure sensitive adhesive composition high in adhesiveness, heat resistance, and in moisture resistance, to provide an adhesive optical film having an adhesive layer comprised of the aqueous dispersion-type pressure sensitive composition, and to provide an image display device and a method for producing the aqueous dispersion-type pressure sensitive composition.
SOLUTION: The method for producing the aqueous dispersion-type pressure sensitive adhesive composition comprises preparing a dispersion, wherein a silica fine particle is dispersed in monomer components, obtained by formulating the monomer components, that contain an alkyl (meth)acrylate, a carboxyl group-containing vinyl monomer and a phosphoric acid group-containing vinyl monomer as essential components, and a vinyl monomer capable of copolymerizing with the essential components as an optional component, with a hydrophobilized silica fine particle, then preparing an emulsion by emulsifying the dispersion so that a volume-based median diameter of oil drops becomes 500 nm or less, and finally performing polymerization of the monomers in the emulsion in the presence of an initiator.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决问题的方法为了提供粘合性，耐热性和耐湿性高的水性分散型压敏粘合剂组合物，以提供具有由水分散型压敏材料构成的粘合剂层的粘合性光学膜 组合物，并提供图像显示装置和水分散型压敏组合物的制造方法。 解决方案：水分散型压敏粘合剂组合物的制备方法包括制备分散体，其中二氧化硅细颗粒分散在通过配制单体成分得到的单体组分中，所述单体组分含有（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要组分，以及能够与必要组分作为任选组分共聚的乙烯基单体与疏水化二氧化硅细颗粒，然后通过乳化来制备乳液 分散体，使得油滴的基于体积的中值粒径为500nm以下，最后在引发剂的存在下进行乳液聚合。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008303275A

公开(公告)日：2008-12-18

申请号：JP2007150679

申请日：2007-06-06

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： NAITO TOMOYA ,  OKADA MIYOSHI

IPC: C09J133/06 ,  C09J7/02 ,  C09J11/04 ,  C09J133/02 ,  C09J143/02 ,  C09J143/04 ,  G02B5/30

Abstract: PROBLEM TO BE SOLVED: To obtain a water-dispersed adhesive composition having excellent dispersibility of water-dispersed copolymer, high adhesiveness, heat resistance and moisture resistance, an adhesive type optical film having an adhesive layer composed of the water-dispersed adhesive composition and to provide an image display apparatus and a method for producing the water-dispersed adhesive composition.
SOLUTION: The water-dispersed adhesive composition is prepared by mixing a monomer component containing an alkyl (meth)acrylate, a carboxy group-containing vinyl monomer and a phosphate group-containing vinyl monomer as essential components and a copolymerizable vinyl monomer copolymerizable with the essential components as an arbitrary component with a clay mineral to prepare a dispersion in which the clay mineral is dispersed in the monomer component, then emulsifying the dispersion so that the median diameters by volume of the oil droplets reach 50-500 nm to prepare an emulsion and then polymerizing the monomer component in the emulsion in the presence of an initiator.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题为了获得具有优异的水分散共聚物分散性，高粘合性，耐热性和耐湿性的水分散性粘合剂组合物，具有由水分散粘合剂组成的粘合剂层的粘合型光学膜 并且提供一种图像显示装置和用于制备水分散粘合剂组合物的方法。 解决方案：水分散粘合剂组合物通过将含（甲基）丙烯酸烷基酯，含羧基的乙烯基单体和含磷酸酯基的乙烯基单体作为必需组分的单体组分和可共聚的乙烯基单体 其中必要成分为具有粘土矿物的任意组分，以制备其中粘土矿物分散在单体组分中的分散体，然后乳化分散体，使得油滴的体积中值直径达到50-500nm，以制备 然后在引发剂存在下使乳液中的单体组分聚合。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2014105249A

公开(公告)日：2014-06-09

申请号：JP2012258015

申请日：2012-11-26

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： NISHIMURA IZUMI ,  OKADA MIYOSHI

IPC: C09J133/04 ,  B32B27/00 ,  C09J7/02 ,  C09J11/06 ,  C09J107/02 ,  C09J109/00 ,  C09J109/08 ,  C09J111/02

CPC classification number: C09J133/08 ,  C08L9/08 ,  C08L9/10 ,  C08L21/00 ,  C08L33/06 ,  C08L33/08 ,  C08L45/00 ,  C08L47/00 ,  C08L2201/54 ,  C09J7/20 ,  C09J7/22 ,  C09J7/38 ,  C09J109/10 ,  C09J121/00 ,  C09J133/06 ,  C09J2421/00 ,  C09J2433/00

Abstract: PROBLEM TO BE SOLVED: To provide an adhesive layer and an adhesive sheet having excellent adhesiveness not only to non-oil surface metal (SUS, etc.) without oil deposition, but also to an adherend surface with oil deposition, and a laminate including the adhesive layer or the adhesive sheet.SOLUTION: A water dispersion type adhesive composition includes: a (meth)acrylic polymer obtained by polymerizing a monomer component (meth)acrylic acid alkyl ester with an alkyl group having 1-18 carbon atoms as a principal component; a rubber component incompatible to the (meth)acrylic polymer and having 130% or more swelling degree when immersed for two hours in mineral oil-based rust preventive oil whose kinetic viscosity at 40°C is 5 mm/s; and a tackifier. A compounding mass ratio of the (meth)acrylic polymer and the rubber component is 95/5-5/95.

Abstract translation: 要解决的问题：为了提供不仅在没有油沉积的情况下对非油表面金属（SUS等）具有优异的粘附性的粘合剂层和粘合片，而且提供具有油沉积的被粘物表面的粘合剂层和粘合剂，以及包括 粘合剂层或粘合片。溶液：水分散型粘合剂组合物包括：通过使具有1-18个碳原子的烷基的单体组分（甲基）丙烯酸烷基酯聚合作为主要成分而得到的（甲基）丙烯酸聚合物 ; 与（甲基）丙烯酸类聚合物不相容的橡胶成分，在40℃下的动力粘度为5mm / s的矿物油型防锈油中浸渍2小时时，具有130％以上的溶胀度的橡胶成分; 和增粘剂。 （甲基）丙烯酸系聚合物和橡胶成分的配混质量比为95 / 5-5 / 95。

公开(公告)号：JP2012188512A

公开(公告)日：2012-10-04

申请号：JP2011052076

申请日：2011-03-09

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： OKADA MIYOSHI ,  KITANO CHIE

IPC: C09J133/06 ,  C09J7/00 ,  C09J11/08 ,  C09J133/04 ,  C09J193/04

CPC classification number: C09J133/08 ,  C08L33/08 ,  C08L93/04 ,  C08L2205/02

Abstract: PROBLEM TO BE SOLVED: To provide a water-dispersible pressure-sensitive adhesive composition useful for manufacturing a pressure-sensitive adhesive sheet high in coarse face adhesiveness and excellent in balance with other characteristic, and for other application.SOLUTION: The water-dispersible pressure-sensitive adhesive composition contains an acrylic polymer pAx, and an acrylic polymer pAy having 1×10-50×10of Mw at 100 : 6-35 of mass ratio. The pAx is a copolymer copolymerised with 60-99.5 mass% of 2-18C alkyl (meth)acrylate M1x, and 0.5-12 mass% of functional group containing monomer M2x, and the pAy is a copolymer copolymerised with 60-95 mass% of 2-18C alkyl (meth)acrylate M1y, and 5-40 mass% of functional group containing monomer M2y. A solubility difference ▵SP defined by |SPy-SPx| is 0.25 (cal/cm)or more, where SPx and SPy represent solubility parameters calculated based on compositions of the M1x and the M1y.

Abstract translation: 要解决的问题：提供一种水分散性压敏粘合剂组合物，其用于制造具有高表面粘合性和与其它特性平衡优异的压敏粘合片，并用于其它应用。 解决方案：水分散性压敏粘合剂组合物含有丙烯酸类聚合物pAx和丙烯酸类聚合物pAy，其具有1×10 3 -50×10 3 的质量比为100：6-35。 pAx是与（甲基）丙烯酸2-18C烷基酯为60-99.5质量％，单体M2x为0.5-12质量％的官能团共聚的共聚物，pAy为共聚合60〜95质量％ 2-18C（甲基）丙烯酸烷基酯M1y，和含有官能团的单体M2y的5-40质量％。 由¾SPy-SPx¾定义的溶度差▵SP为0.25（cal / cm 3 ） 1/2 或更高，其中SPx 并且SPy表示基于M1x和M1y的组成计算的溶解度参数。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2010168264A

公开(公告)日：2010-08-05

申请号：JP2009112071

申请日：2009-05-01

Applicant: Nitto Denko Corp ,  日東電工株式会社

Inventor： KUBO ASAMI ,  OKADA MIYOSHI ,  NAITO TOMOYA

IPC: C04B38/00

Abstract: PROBLEM TO BE SOLVED: To provide an inorganic porous body and a method for producing the same excellent in productivity, capable of widely controlling a pore diameter and its distribution easily, and capable of forming a thin film.
SOLUTION: The inorganic porous body is produced by dispersing an inorganic compound in water to obtain a water dispersion of the inorganic compound, dispersing a liquid organic compound in the water dispersion of the inorganic compound to obtain an organic-inorganic water dispersion, and removing the water and the liquid organic compound of the organic-inorganic water dispersion.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 解决的问题：为了提供能够容易地广泛地控制孔径及其分布并且能够形成薄膜的无机多孔体及其生产率优异的方法。 解决方案：无机多孔体是通过将无机化合物分散在水中得到无机化合物的水分散体，将液体有机化合物分散在无机化合物的水分散体中，得到有机 - 无机水分散体， 并除去有机 - 无机水分散体的水和液体有机化合物。 版权所有（C）2010，JPO＆INPIT