公开(公告)号：US10581032B2

公开(公告)日：2020-03-03

申请号：US15254558

申请日：2016-09-01

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  B32B7/12 ,  B32B15/08 ,  B32B27/32 ,  B32B15/088 ,  B32B15/20 ,  B32B27/34 ,  H01M10/052 ,  H01M10/0525

Abstract: A lithium battery packaging material of the present invention includes a laminate in which a substrate layer, a first adhesive layer, a metal foil layer, a corrosion prevention treatment layer, a second adhesive layer, and a sealant layer are laminated in this order. In the packaging material, the corrosion prevention treatment layer contains an rare-earth oxide, and 1 to 100 parts by mass of phosphoric acid or phosphate relative to 100 parts by mass of the rare-earth oxide, the second adhesive layer includes an adhesive composition containing an acid modified polyolefin resin and a polyfunctional isocyanate compound, and, in an infrared absorption spectrum of the second adhesive layer, a ratio (Y/X) between absorption (X) derived from C—H bending vibration of CH3 and absorption (Y) derived from N—H bending vibration of a biuret bond is 0.3 or less.

公开(公告)号：US11364704B2

公开(公告)日：2022-06-21

申请号：US16563868

申请日：2019-09-07

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Ryo Shoda ,  Tomohiko Yamazaki ,  Kei Tsuruzoe ,  Kenji Matsumasa ,  Miki Fukugami ,  Kengo Okamura

IPC: B32B7/023 ,  B32B7/12

Abstract: A transparent conductive gas barrier laminate according to the present disclosure includes a transparent gas barrier film and a transparent conductive layer in this order from outside toward inside. In the laminate, the transparent gas barrier film has a b* value of more than 0 in a L*a*b* color system, and the transparent conductive layer contains a conductive polymer and has a b* value of less than 0 in the L*a*b* color system.

公开(公告)号：US10790481B2

公开(公告)日：2020-09-29

申请号：US16014379

申请日：2018-06-21

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  H01G11/78 ,  H01G11/84 ,  H01G11/82 ,  H01M2/32 ,  H01M10/38 ,  H01M2/08

Abstract: The present invention relates to a packaging material for a power storage device, the packaging material having a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin and a polyisocyanate, a ratio [NCO]/[OH] is 5 to 60, where [OH] is the number of moles of hydroxyl groups in the polyester resin, and [NCO] is the number of moles of isocyanate groups in the polyisocyanate, and the polyester resin has a hydroxyl value of 10 to 70 KOHmg/g.

公开(公告)号：US10734616B2

公开(公告)日：2020-08-04

申请号：US16267135

申请日：2019-02-04

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  H01G11/78 ,  B32B15/20

Abstract: The present invention relates to a power storage device packaging material. The packaging material includes at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer in this order. The substrate protective layer is a cured product of a raw material containing a polyester resin and a polyisocyanate compound, has a glass transition temperature (Tg) of 60 to 140° C., and has a thickness of 1 to 5 μm, with a ratio of the thickness of the substrate protective layer to the thickness of the substrate layer being 35% or less.

公开(公告)号：US11264662B2

公开(公告)日：2022-03-01

申请号：US16735271

申请日：2020-01-06

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Satoshi Sasaki ,  Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M50/124 ,  H01M50/116 ,  H01M50/183 ,  H01G11/80

Abstract: A power storage device packaging material includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a yield stress in the range of 3500 to 6500 N/cm2 and breaking elongation of 45 to 200% in a stress-strain curve determined by a tensile test at a tension rate of 6 mm/min. A power storage device packaging material according to the second aspect of the present disclosure includes a structure including at least a substrate layer, an adhesive layer, a metal foil layer, an anticorrosion treatment layer, a sealant adhesive layer, and a sealant layer, which are laminated in this order, wherein the adhesive layer has a glass transition temperature in a range of 140° C. or more and 160° C. or less.

公开(公告)号：US10897030B2

公开(公告)日：2021-01-19

申请号：US16131668

申请日：2018-09-14

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Takuya Muraki ,  Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  H01G11/78 ,  B65D65/40 ,  H01M2/10 ,  B32B7/12 ,  B32B15/04 ,  B32B37/12 ,  H01G11/80 ,  H01G11/84 ,  H01M2/08 ,  B32B38/00

Abstract: A packaging material for a power storage device, the packaging material including a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin or an acrylic resin, and a curing agent; the polyester resin or the acrylic resin has reactive groups reactive with the curing agent at a terminal position and/or in a side chain; the curing agent contains an isocyanate other than an alicyclic isocyanate, and an alicyclic isocyanate; and the ratio ([a]/[b]) of the weight of the isocyanate other than an alicyclic isocyanate [a] to the weight of the alicyclic isocyanate [b] is 99/1 to 80/20.

公开(公告)号：US10109825B2

公开(公告)日：2018-10-23

申请号：US15192391

申请日：2016-06-24

Applicant: TOPPAN PRINTING CO., LTD.

Inventor： Tomohiko Yamazaki ,  Masayoshi Suzuta

IPC: H01M2/02 ,  B32B7/00 ,  B32B7/12 ,  B32B15/00 ,  B32B15/04 ,  B32B15/08 ,  B32B27/00 ,  B32B27/06 ,  B32B27/08 ,  B32B27/18 ,  H01M2/08 ,  H01M10/0525 ,  H01M10/052

Abstract: A packaging material for lithium cell of the present invention includes a laminate of a substrate layer, a first adhesive layer, a metal foil layer, an anti-corrosion treatment layer of a single-layer or plural-layer structure, a second adhesive layer and a sealant layer stacked in this order. The anti-corrosion treatment layer is provided on the side of the second adhesive layer and contains a rare earth element oxide, 1 to 100 parts by mass of phosphoric acid or a phosphate salt per 100 parts by mass of the rare earth element oxide, and at least one polymer selected from the group of a cationic polymer and an anionic polymer wherein the at least one polymer is contained at least in the layer contacting with the second adhesive layer and the second adhesive layer contains a compound reactive with the at least one polymer contained in the layer contacting with the second adhesive layer.