公开(公告)号：US20190136091A1

公开(公告)日：2019-05-09

申请号：US16094305

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J4/00 ,  G02B5/30 ,  G02F1/13363

Abstract: An active-energy-ray-curable adhesive composition comprises at least one or more radical polymerizable compounds. At the time of defining a total amount of the radical polymerizable compound(s) as 100% by weight, the composition comprises one or more alkyl (meth) acrylates (A) (each) having 10 to 20 carbon atoms in an amount of 15% or more by weight. The active-energy-ray-curable adhesive composition preferably comprises, as the alkyl (meth)acrylate(s) (A), an alkyl (meth)acrylate (A1) having 10 to 14 carbon atoms, and an alkyl (meth)acrylate (A2) having 15 to 20 carbon atoms. A ratio by weight of the component (A1) to the component (A2) (A1/A2) is preferably from 1.0/9.0 to 4.0/6.0.

公开(公告)号：US10858553B2

公开(公告)日：2020-12-08

申请号：US16094293

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J139/04 ,  B32B7/12 ,  C09J5/00 ,  C09J133/06 ,  C09J133/14 ,  B32B37/12 ,  G02B5/30 ,  G02B1/14 ,  G02F1/1335

Abstract: A polarizing film, wherein transparent protective films are laid, respectively, on/over both surfaces of a polarizer to interpose an adhesive layer (a) and an adhesive layer (b), respectively, between both surfaces of a polarizer, and transparent protective films. The adhesive layer (a) on/over one of both the surfaces has a glass transition temperature of −60° C. or higher and lower than 40° C. The adhesive layer (b) on/over the other surface has a glass transition temperature of 40° C. or higher. The adhesive layer (a) is a layer formed in the form of a cured product layer yielded by radiating an active energy ray to an active-energy-ray-curable adhesive composition (a). The active-energy-ray-curable adhesive composition (a) comprises, as radical polymerizable compounds, a component A having a logPow of −2 to 2, and a component B having a logPow more than 7, these logPow values being each an octanol/water distribution coefficient.

公开(公告)号：US20190106599A1

公开(公告)日：2019-04-11

申请号：US16094061

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J4/00 ,  C09J133/06 ,  C09J133/24 ,  C09J135/02 ,  C09J133/14 ,  C09J5/00 ,  C09J11/06 ,  G02B1/14 ,  G02B5/30

Abstract: An active-energy-ray-curable adhesive composition comprises at least radical polymerizable compounds. The radical polymerizable compounds comprise a component A having a log Pow of −2 to 2, and a component B having a log Pow more than 7, each of these log Pow values representing an octanol/water distribution coefficient. The component A preferably comprises at least one nitrogen-containing monomer selected from the group consisting of (meth)acrylamide derivatives, amino-group-containing monomers, and nitrogen-containing and heterocycle-containing vinyl monomers. The component B preferably comprises an alkyl (meth)acrylate having 18 to 20 carbon atoms.

公开(公告)号：US20220106500A1

公开(公告)日：2022-04-07

申请号：US17355292

申请日：2021-06-23

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J4/00 ,  G02F1/1335 ,  G02F1/13363 ,  G02B5/30 ,  C08F2/48

Abstract: An active-energy-ray-curable adhesive composition comprises at least one or more radical polymerizable compounds. At the time of defining a total amount of the radical polymerizable compound(s) as 100% by weight, the composition comprises one or more alkyl (meth)acrylates (A) (each) having 10 to 20 carbon atoms in an amount of 15% or more by weight. The active-energy-ray-curable adhesive composition preferably comprises, as the alkyl (meth)acrylate(s) (A), an alkyl (meth)acrylate (A1) having 10 to 14 carbon atoms, and an alkyl (meth)acrylate (A2) having 15 to 20 carbon atoms. A ratio by weight of the component (A1) to the component (A2) (A1/A2) is preferably from 1.0/9.0 to 4.0/6.0.

公开(公告)号：US20150152299A1

公开(公告)日：2015-06-04

申请号：US14405674

申请日：2013-06-05

Applicant: NITTO DENKO CORPORATION

Inventor： Takeshi Saito ,  Miki Okamoto ,  Masashi Shinagawa ,  Taiyan Jiang ,  Yasuaki Okada

IPC: C09J139/04 ,  C09J133/26 ,  C09J7/02 ,  G02B1/18 ,  B32B37/18 ,  B32B38/00 ,  G02B5/30 ,  G02B1/14 ,  C09J133/08 ,  B32B37/12

CPC classification number: C09J139/04 ,  B32B37/1284 ,  B32B37/18 ,  B32B38/0008 ,  B32B2551/00 ,  C08F220/58 ,  C08F2220/283 ,  C09J4/00 ,  C09J7/22 ,  C09J7/35 ,  C09J7/385 ,  C09J133/08 ,  C09J133/26 ,  C09J2203/318 ,  C09J2205/31 ,  C09J2433/00 ,  G02B1/14 ,  G02B1/18 ,  G02B5/3025 ,  G02B5/3033 ,  Y10T428/31935

Abstract: An active energy ray-curable adhesive composition contains radically polymerizable compounds (A), (B) and (C) as curable components, and an acrylic oligomer (D) formed by polymerization of a (meth)acrylic monomer. The radically polymerizable compound (A) has an SP value of 29.0 (kJ/m3)½ to 32.0 (kJ/m3)½. The radically polymerizable compound (B) has an SP value of 18.0 (kJ/m3)½ to less than 21.0 (kJ/m3)½. The radically polymerizable compound (C) has an SP value of 21.0 (kJ/m3)½ to 23.0 (kJ/m3)½. And the composition contains 25 to 80% by weight of the radically polymerizable compound (B) based on 100% by weight of the total amount of the composition.

Abstract translation: 活性能量射线固化性粘合剂组合物含有作为可固化成分的自由基聚合性化合物（A），（B）和（C），以及（甲基）丙烯酸系单体的聚合形成的丙烯酸系低聚物（D）。 自由基聚合性化合物（A）的SP值为29.0（kJ / m 3）1/2〜32.0（kJ / m 3）1/2。 自由基聚合性化合物（B）的SP值为18.0（kJ / m 3）1/2以上且小于21.0（kJ / m 3）1/2。 自由基聚合性化合物（C）的SP值为21.0（kJ / m 3）1/2〜23.0（kJ / m 3）1/2。 相对于组合物总量的100重量％，组合物含有25〜80重量％的自由基聚合性化合物（B）。

公开(公告)号：US20210317337A1

公开(公告)日：2021-10-14

申请号：US17352429

申请日：2021-06-21

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J4/00 ,  G02B5/30 ,  G02F1/1335 ,  G02F1/13363 ,  C09J11/06 ,  G02B1/14 ,  C09J5/00 ,  C09J133/06 ,  C09J133/14 ,  C09J133/24 ,  C09J135/02

Abstract: An active-energy-ray-curable adhesive composition comprises at least radical polymerizable compounds. The radical polymerizable compounds comprise a component A having a log Pow of −2 to 2, and a component B having a log Pow more than 7, each of these log Pow values representing an octanol/water distribution coefficient. The component A preferably comprises at least one nitrogen-containing monomer selected from the group consisting of (meth)acrylamide derivatives, amino-group-containing monomers, and nitrogen-containing and heterocycle-containing vinyl monomers. The component B preferably comprises an alkyl (eth)acrylate having 18 to 20 carbon atoms.

公开(公告)号：US20190136101A1

公开(公告)日：2019-05-09

申请号：US16094293

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J139/04 ,  C09J133/06 ,  C09J133/14 ,  C09J5/00 ,  G02B1/14 ,  G02B5/30 ,  B32B7/12 ,  B32B37/12

Abstract: A polarizing film, wherein transparent protective films are laid, respectively, on/over both surfaces of a polarizer to interpose an adhesive layer (a) and an adhesive layer (b), respectively, between both surfaces of a polarizer, and transparent protective films. The adhesive layer (a) on/over one of both the surfaces has a glass transition temperature of −60° C. or higher and lower than 40° C. The adhesive layer (b) on/over the other surface has a glass transition temperature of 40° C. or higher. The adhesive layer (a) is a layer formed in the form of a cured product layer yielded by radiating an active energy ray to an active-energy-ray-curable adhesive composition (a). The active-energy-ray-curable adhesive composition (a) comprises, as radical polymerizable compounds, a component A having a logPow of −2 to 2, and a component B having a logPow more than 7, these logPow values being each an octanol/water distribution coefficient.

公开(公告)号：US10901129B2

公开(公告)日：2021-01-26

申请号：US16094303

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: C09J4/00 ,  C09J133/00 ,  B32B7/12 ,  C09J11/06 ,  G02B5/30 ,  G02F1/1335 ,  B29D11/00 ,  G02F1/13363 ,  C09J7/38

Abstract: A polarizing film, wherein transparent protective films are laid, respectively, on/over both surfaces of a polarizer to interpose an adhesive layer (a) and an adhesive layer (b), respectively, between both the surfaces and the transparent protective films. The adhesive layer (a) has a glass transition temperature of −60° C. or higher and lower than 40° C. The adhesive layer (b) has a glass transition temperature of 40° C. or higher. The adhesive layer (a) is a layer formed in the form of a cured product layer yielded by radiating an active energy ray to an active-energy-ray-curable adhesive composition (a). The active-energy-ray-curable adhesive composition (a) comprises at least one or more radical polymerizable compounds, and when a total amount of the radical polymerizable compound(s) is defined as 100% by weight, one or more alkyl (meth)acrylates (A) (each) having 10 to 20 carbon atoms are comprised in a proportion of 15% or more by weight.

公开(公告)号：US20190137673A1

公开(公告)日：2019-05-09

申请号：US16094303

申请日：2017-03-06

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Satoshi Mita ,  Yoshimi Konno ,  Taiyan Jiang ,  Tetsuro Ikeda

IPC: G02B5/30 ,  G02F1/1335 ,  G02F1/13363 ,  B29D11/00

Abstract: A polarizing film, wherein transparent protective films are laid, respectively, on/over both surfaces of a polarizer to interpose an adhesive layer (a) and an adhesive layer (b), respectively, between both the surfaces and the transparent protective films. The adhesive layer (a) has a glass transition temperature of -60° C. or higher and lower than 40° C. The adhesive layer (b) has a glass transition temperature of 40° C. or higher. The adhesive layer (a) is a layer formed in the form of a cured product layer yielded by radiating an active energy ray to an active-energy-ray-curable adhesive composition (a). The active-energy-ray-curable adhesive composition (a) comprises at least one or more radical polymerizable compounds, and when a total amount of the radical polymerizable compound(s) is defined as 100% by weight, one or more alkyl (meth)acrylates (A) (each) having 10 to 20 carbon atoms are comprised in a proportion of 15% or more by weight.

公开(公告)号：US20150116817A1

公开(公告)日：2015-04-30

申请号：US14405994

申请日：2013-06-05

Applicant: NITTO DENKO CORPORATION

Inventor： Kunihiro Inui ,  Takeshi Saito ,  Miki Okamoto ,  Masashi Shinagawa ,  Taiyan Jiang ,  Yasuaki Okada

IPC: G02B5/30 ,  G02B1/12 ,  G02B1/18 ,  C09J4/00 ,  G02B1/14

CPC classification number: G02B5/3033 ,  C09J4/00 ,  C09J7/22 ,  C09J7/30 ,  C09J2203/318 ,  C09J2205/31 ,  C09J2433/00 ,  G02B1/12 ,  G02B1/14 ,  G02B1/18 ,  G02B5/3025

Abstract: An active energy ray-curable adhesive composition comprising radically polymerizable compounds (A), (B) and (C) as curable components, wherein the radically polymerizable compound (A) has an SP value of 29.0 (kJ/m3)1/2 to 32.0 (kJ/m3)1/2; the radically polymerizable compound (B) has an SP value of 18.0 (kJ/m3)1/2 to less than 21.0 (kJ/m3)1/2; the radically polymerizable compound (C) has an SP value of 21.0 (kJ/m3)1/2 to 23.0 (kJ/m3)1/2, and the composition comprises 1.0 to 30.0% by weight of the radically polymerizable compound (A), 35.0 to 98.0% by weight of the radically polymerizable compound (B), and 1.0 to 30.0% by weight of the radically polymerizable compound (C) based on 100% by weight of the total amount of the composition.

Abstract translation: 包含可自由基聚合的化合物（A），（B）和（C）作为可固化组分的活性能量射线固化性粘合剂组合物，其中所述自由基聚合性化合物（A）的SP值为29.0（kJ / m 3）1/2〜 32.0（kJ / m3）1/2; 自由基聚合性化合物（B）的SP值为18.0（kJ / m 3）1/2以上且小于21.0（kJ / m 3）1/2） 自由基聚合性化合物（C）的SP值为21.0（kJ / m 3）1/2〜23.0（kJ / m 3）1/2，组成为自由基聚合性化合物（A）的1.0〜30.0重量％ ，自由基聚合性化合物（B）的35.0〜98.0重量％，自由基聚合性化合物（C）的1.0〜30.0重量％，基于组合物总量的100重量％。