公开(公告)号：US20210011335A1

公开(公告)日：2021-01-14

申请号：US16975488

申请日：2019-02-19

Applicant: NITTO DENKO CORPORATION

Inventor： Masayuki Okamoto ,  Tatsuya Yamasaki ,  Noritsugu Daigaku ,  Ryo Kanno ,  Takeshi Saito ,  Keisuke Kimura

IPC: G02F1/1335 ,  G02B5/30

Abstract: An active energy ray-curable adhesive composition containing active energy ray-curable compounds (A), (B), and (C) as curable components, wherein the active energy ray-curable adhesive composition contains 0.0% by weight to 4.0% by weight of an active energy ray-curable compound (A) having an SP value of 29.0 (MJ/m3)1/2 to 32.0 (MJ/m3)1/2, 5.0% by weight to 98.0% by weight of an active energy ray-curable compound (B) having the SP value of 18.0 (MJ/m3)1/2 to 21.0 (MJ/m3)1/2 (exclusive of 21.0 (MJ/m3)1/2), and 5.0% by weight to 98.0% by weight of an active energy ray-curable compound (C) having the SP value of 21.0 (MJ/m3)1/2 to 26.0 (MJ/m3)1/2 on a basis of 100% by weight of a total amount of the composition.

公开(公告)号：US20190194499A1

公开(公告)日：2019-06-27

申请号：US16291545

申请日：2019-03-04

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Kiyoe Shigetomi

IPC: C09J7/38

CPC classification number: C09J7/385 ,  C09J2203/318 ,  C09J2203/326 ,  C09J2205/114 ,  C09J2433/00 ,  C09J2483/00

Abstract: Provided is a pressure-sensitive adhesive composition including: an acrylic polymer (A) having a glass transition temperature lower than 0 C.°; and a polymer (B) containing, as monomer units, both a monomer (B1) having a polyorganosiloxane skeleton and a monomer (B2) whose homopolymer has a glass transition temperature of 40 C.° or higher. The acrylic polymer (A) contains, as a monomer unit, at least one monomer selected from the group consisting of N-vinyl cyclic amides represented by the following general formula (M1): wherein R1 is a divalent organic group.

公开(公告)号：US11046719B2

公开(公告)日：2021-06-29

申请号：US15764766

申请日：2016-09-29

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Tatsuya Yamasaki ,  Yuto Saruhashi ,  Ryuta Tomoyose ,  Takeshi Saito ,  Tetsuro Ikeda

IPC: C07F7/28 ,  C08L57/10 ,  C08K3/22 ,  C08F20/06 ,  C08K5/56 ,  C09J7/38 ,  B32B27/08 ,  C08K3/013 ,  C08F2/48 ,  C08F2/44

Abstract: An organic metal compound-containing composition, comprising: at least one organic metal compound (A) selected from the group consisting of metal alkoxides and metal chelates, and a polymerizable compound (B) having a polymerizable functional group and a carboxyl group.

公开(公告)号：US10894904B2

公开(公告)日：2021-01-19

申请号：US16291545

申请日：2019-03-04

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Kiyoe Shigetomi

IPC: C09J7/00 ,  C09J7/38 ,  C09J133/04

Abstract: Provided is a pressure-sensitive adhesive composition including: an acrylic polymer (A) having a glass transition temperature lower than 0 C.°; and a polymer (B) containing, as monomer units, both a monomer (B1) having a polyorganosiloxane skeleton and a monomer (B2) whose homopolymer has a glass transition temperature of 40 C.° or higher. The acrylic polymer (A) contains, as a monomer unit, at least one monomer selected from the group consisting of N-vinyl cyclic amides represented by the following general formula (M1): wherein R1 is a divalent organic group.

公开(公告)号：US10385241B2

公开(公告)日：2019-08-20

申请号：US14882748

申请日：2015-10-14

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Kiyoe Shigetomi

IPC: C09J133/08 ,  C09J7/38 ,  C09J143/04

Abstract: A pressure-sensitive adhesive composition according to an embodiment includes: 100 parts by mass of a polymer (A) having a glass transition temperature lower than 0° C.; and 0.1 to 20 parts by mass of a polymer (B) that contains, as monomer units, both a monomer having a functional group equivalent (Fge) of 1000 g/mol≤Fge

公开(公告)号：US10738221B2

公开(公告)日：2020-08-11

申请号：US15371416

申请日：2016-12-07

Applicant: NITTO DENKO CORPORATION

Inventor： Kiyoe Shigetomi ,  Ryo Kanno

IPC: C09J7/38 ,  C09J133/08 ,  C09J7/22 ,  C09J183/04 ,  C08K5/00

Abstract: A pressure-sensitive adhesive sheet has a substrate and a pressure-sensitive adhesive layer laminated on at least one side of the substrate. The pressure-sensitive adhesive layer contains a (meth)acrylic polymer having a weight average molecular weight of 10000 or more but less than 50000. Pressure-sensitive adhesive force, occurring after 30 minutes since the pressure-sensitive adhesive layer was attached to an ABS plate, is 1.0 [N/20 mm] or less, pressure-sensitive adhesive force, occurring after 24 hours since the pressure-sensitive adhesive layer was attached to an ABS plate, is 2.5 [N/20 mm] or less, and pressure-sensitive adhesive force, occurring after 30 minutes at 23° C. since the pressure-sensitive adhesive layer was attached to an ABS plate and then heated at 80° C. for 5 minutes, is 6.5 [N/20 mm] or more.

公开(公告)号：US20190137675A1

公开(公告)日：2019-05-09

申请号：US16301207

申请日：2017-05-16

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Takeshi Saito ,  Tatsuya Yamasaki ,  Keisuke Kimura

IPC: G02B5/30 ,  C09J7/30 ,  C09D163/00 ,  G02F1/1335 ,  G02B1/14

Abstract: A laminated resin film, comprising a first resin film, and a second resin film laminated on/over at least one surface of the first resin film to interpose an adhesive layer between the surface and the second resin film, wherein an adhesion surface of at least one of the first resin film and the second resin film comprises a compound represented by general formula (1): wherein X is a functional group containing a reactive group, and R1 and R2 each independently represent a hydrogen atom, or an aliphatic hydrocarbon group, aryl group or heterocyclic group that may have a substituent, and the compound represented by the general formula (1) is interposed at either one or both of a position between the first resin film and the adhesive layer, and a position between the second resin film and the adhesive layer.

公开(公告)号：US20190055432A1

公开(公告)日：2019-02-21

申请号：US15764115

申请日：2016-09-29

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Tatsuya Yamasaki ,  Yuto Saruhashi ,  Ryuta Tomoyose ,  Takeshi Saito ,  Tetsuro Ikeda

IPC: C09J4/00 ,  B32B7/12 ,  B32B37/12 ,  B32B37/18 ,  B32B27/08 ,  B32B27/30 ,  B32B38/00 ,  C09J135/02 ,  C09J5/00 ,  C08F222/10

Abstract: A curing type adhesive composition for polarization film, contains an active energy ray curable component (X), at least one organometallic compound (A) selected from the group consisting of a metal alkoxide and a metal chelate, and a polymerizable compound (B) having a polymerizable functional group and a carboxyl group. It is preferred that a metal of the organometallic compound (A) is titanium. The curing type adhesive composition for polarizing film preferably contains, as the organometallic compound (A), the metal alkoxide, and an organic group which the metal alkoxide has having three or more carbon atoms. The curing type adhesive composition for polarizing film contains, as the organometallic compound (A), the metal chelate, an organic group which the metal chelate has having four or more carbon atoms.

公开(公告)号：US20180265526A1

公开(公告)日：2018-09-20

申请号：US15764766

申请日：2016-09-29

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Tatsuya Yamasaki ,  Yuto Saruhashi ,  Ryuta Tomoyose ,  Takeshi Saito ,  Tetsuro Ikeda

IPC: C07F7/28 ,  C08L57/10 ,  C08K3/22

CPC classification number: C07F7/28 ,  C08F2/44 ,  C08F2/48 ,  C08F20/06 ,  C08F2800/10 ,  C08K3/013 ,  C08K3/22 ,  C08K2003/2237 ,  C08L57/10

Abstract: An organic metal compound-containing composition, comprising: at least one organic metal compound (A) selected from the group consisting of metal alkoxides and metal chelates, and a polymerizable compound (B) having a polymerizable functional group and a carboxyl group.

公开(公告)号：US11061175B2

公开(公告)日：2021-07-13

申请号：US16301158

申请日：2017-05-16

Applicant: NITTO DENKO CORPORATION

Inventor： Ryo Kanno ,  Takeshi Saito ,  Tatsuya Yamasaki ,  Keisuke Kimura

IPC: G02B5/30 ,  B32B7/12 ,  B32B27/18 ,  B32B27/28 ,  B32B27/30 ,  B32B27/38 ,  C08K5/55 ,  G02F1/1335 ,  C09J201/02 ,  C09D185/00 ,  C09D183/00 ,  G02B1/14 ,  C09J7/30 ,  C09D163/00

Abstract: A polarizing film, comprising a polarizer, and a transparent protective film laminated on/over at least one surface of the polarizer to interpose an adhesive layer between the surface and the transparent protective film, and the polarizing film comprising, on/over the adhesion surface of the polarizer, an adhesion-improving layer interposed between the polarizer and the adhesive layer. The adhesion-improving layer preferably comprises a compound represented by the following general formula (1): wherein X is a functional group containing a reactive group, and R1 and R2 each independently represent a hydrogen atom, or an aliphatic hydrocarbon group, aryl group or heterocyclic group that may have a substituent, and the compound represented by the general formula (1) is interposed between the polarizer and the adhesive layer.