公开(公告)号：US11141326B2

公开(公告)日：2021-10-12

申请号：US15767243

申请日：2016-10-14

Applicant: NITTO DENKO CORPORATION

Inventor： Shinsuke Ikishima ,  Muneshige Nakagawa

IPC: A61F13/58 ,  B32B27/00 ,  C09J201/00 ,  C09J7/20 ,  B32B7/04 ,  B32B7/05 ,  A61F13/62 ,  C09J7/24 ,  B32B5/02 ,  B32B27/12 ,  B32B27/20 ,  B32B27/30 ,  B32B27/32 ,  B32B27/36 ,  C09J201/02

Abstract: Provided is an ultrasmall-sized fixing tape suitable for a disposal tape for an absorbent article, such as a disposable diaper, a sanitary napkin, or an incontinence pad. The ultrasmall fixing tape of the present invention includes: an extending portion; and a non-extending portion that is substantially free from extending, in which: the non-extending portion includes securing means in at least part thereof; the ultrasmall fixing tape has a base material layer B; the base material layer B has a thickness of 50 μm or more; and the base material layer B has an upper yield strength in a longitudinal direction thereof at a temperature of 23° C. and a humidity of 50% of from 5 N/25 mm to 15 N/25 mm.

公开(公告)号：US10772984B2

公开(公告)日：2020-09-15

申请号：US15564090

申请日：2016-04-12

Applicant: NITTO DENKO CORPORATION

Inventor： Yasuhiro Takeda ,  Yoshitake Shigematsu ,  Kohei Takeda ,  Shou Uchida ,  Muneshige Nakagawa ,  Shinsuke Ikishima

IPC: B29D7/01 ,  C08K13/04 ,  B29C55/10 ,  A61F13/15 ,  A61F13/49 ,  A61L15/22 ,  C08L23/12 ,  B29K23/00 ,  B29L31/48 ,  B29K105/16 ,  A61L15/24 ,  A61L15/18 ,  C08J9/00 ,  C08K3/26 ,  C08L23/04 ,  B32B27/32 ,  A61F13/00 ,  B29C55/00 ,  A61F13/514 ,  B29C55/04 ,  A61F13/511 ,  C08J5/18 ,  A61L15/20 ,  A61L15/42 ,  C08L23/14 ,  B32B27/08 ,  B32B27/30 ,  B32B27/20 ,  B32B27/36 ,  B32B3/26

Abstract: The stretchable porous film of the present invention includes voids in a surface thereof, in which: the stretchable porous film has an air permeability measured with an Oken-type air permeability meter of less than 99,999 sec/100 cc; the stretchable porous film has such an extending direction that an air permeability measured with the Oken-type air permeability meter in a state in which the stretchable porous film is extended by 100% becomes less than 60,000 sec/100 cc; and the stretchable porous film has such a pulling direction that when, in a hysteresis test, the stretchable porous film is pulled from a width of 20 mm and an inter-chuck distance of 30 mm to an inter-chuck distance of 60 mm at a pulling speed of 50 mm/min and held for 1 minute, and then the pulling of the inter-chuck distance is released, a residual strain becomes 10 mm or less.

公开(公告)号：US10828839B2

公开(公告)日：2020-11-10

申请号：US15763254

申请日：2016-09-15

Applicant: NITTO DENKO CORPORATION

Inventor： Shou Uchida ,  Shinsuke Ikishima ,  Kohei Takeda ,  Muneshige Nakagawa ,  Ryuji Kuwabara ,  Ikuya Kuzuhara

IPC: B32B37/00 ,  B29C65/08 ,  B32B5/26 ,  B29C65/78 ,  B29C65/00 ,  D06H5/00 ,  B29C65/18 ,  B32B5/02 ,  B29C65/72 ,  D04H1/559 ,  D06M10/02 ,  B29C65/82 ,  D04H1/555 ,  B32B37/06 ,  B29L31/48 ,  B29L31/00 ,  B29K105/00 ,  A44B18/00

Abstract: Provided is a method of producing a layered article by which a sufficient production speed can be achieved, and preferably, a variation in fusion strength can be suppressed and hence a variation in product quality can be reduced. The method of producing a layered article of the present invention includes fusing at least part of a single-layer body or a laminate including at least one layer including a non-woven fabric of fiber having a fiber diameter of 100 μm or less through ultrasonic welding.

公开(公告)号：US11471549B2

公开(公告)日：2022-10-18

申请号：US16338859

申请日：2017-09-14

Applicant: NITTO DENKO CORPORATION

Inventor： Muneshige Nakagawa ,  Kohei Takeda ,  Shinsuke Ikishima

IPC: A61L9/014 ,  B32B7/02 ,  B32B27/08 ,  B32B27/20 ,  B32B27/32 ,  A41D13/11 ,  A61F13/51 ,  B01J20/04 ,  B01J20/06 ,  B01J20/10 ,  B01J20/26 ,  B01J20/28 ,  A61F13/514

Abstract: Provided is a stretchable film having excellent stretchability, excellent air permeability, and an excellent deodorizing property. Also provided is an article including such stretchable film. A stretchable film of the present invention is a film having stretchability, and includes a deodorant. The stretchable film of the present invention is a film having stretchability, and has a deodorization efficiency for each of ammonia and hydrogen sulfide 3 hours after the start of a deodorization test, the deodorization efficiency being measured by a detector tube method, of 10% or more.

公开(公告)号：US10723107B2

公开(公告)日：2020-07-28

申请号：US15110980

申请日：2015-08-18

Applicant: NITTO DENKO CORPORATION

Inventor： Shou Uchida ,  Shinsuke Ikishima ,  Kohei Takeda ,  Masaaki Arakawa

IPC: B32B27/12 ,  A41D13/11 ,  B32B7/02 ,  A41D13/00 ,  B32B25/10 ,  A61F13/56 ,  A61F13/49 ,  A61F13/15 ,  A61F13/514 ,  B32B5/02 ,  B32B7/12 ,  B32B27/30 ,  D04H1/492

Abstract: Provided is a stretchable laminate which has a sufficient holding ability in the case of being stretched to be bonded onto another material and is excellent in feeling of touch. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention is a stretchable laminate, including: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate including an elastic lane portion and a rigid lane portion, the rigid lane portion requiring a strength of from 1 N/20 mm to 7 N/20 mm for obtaining a 5% deformation amount.

公开(公告)号：US11707917B2

公开(公告)日：2023-07-25

申请号：US17603153

申请日：2020-04-16

Applicant: NITTO DENKO CORPORATION

Inventor： Muneshige Nakagawa ,  Sho Uchida ,  Shinsuke Ikishima

IPC: B32B27/08 ,  B32B7/022 ,  B32B27/18 ,  B32B27/30 ,  B32B27/32

CPC classification number: B32B7/022 ,  B32B27/08 ,  B32B27/18 ,  B32B27/302 ,  B32B27/32 ,  B32B2250/246 ,  B32B2250/40 ,  B32B2264/1022 ,  B32B2270/00 ,  B32B2307/51 ,  B32B2307/704 ,  B32B2307/732 ,  B32B2307/746 ,  B32B2555/02

Abstract: Provided is a multilayer co-extruded film comprising at least two different elasticity layers with at least one first elasticity layer and at least one second elasticity layer having higher elasticity than the at least one first elasticity layer, wherein the first elasticity layer comprises a combination of an olefin-based elastomer and a crystalline olefin polymer, and wherein the residual strain after 100% elongation during 10 min at 23° C. of the multilayer co-extruded film is less than 15%.

公开(公告)号：US11305034B2

公开(公告)日：2022-04-19

申请号：US15564302

申请日：2016-04-12

Applicant: NITTO DENKO CORPORATION

Inventor： Kohei Takeda ,  Shou Uchida ,  Muneshige Nakagawa ,  Shinsuke Ikishima ,  Yasuhiro Takeda ,  Yoshitake Shigematsu

IPC: A61L15/24 ,  A61L15/18 ,  C08J9/00 ,  C08K3/26 ,  C08L23/04 ,  B32B27/32 ,  A61F13/00 ,  B29C55/00 ,  A61F13/514 ,  B29C55/04 ,  A61F13/511 ,  C08J5/18 ,  A61L15/20 ,  A61L15/42 ,  C08L23/14 ,  B32B27/08 ,  B32B27/30 ,  B32B27/20 ,  B32B27/36 ,  B32B3/26 ,  B29D7/01 ,  C08K13/04 ,  B29C55/10 ,  A61F13/15 ,  A61F13/49 ,  A61L15/22 ,  C08L23/12 ,  B29K23/00 ,  B29L31/48 ,  B29K105/16

Abstract: Provided is a stretchable film having excellent stretchability and excellent air permeability. Also provided is an article including such stretchable film. The stretchable film of the present invention includes an olefin-based resin and a filler.

公开(公告)号：USD875512S1

公开(公告)日：2020-02-18

申请号：US29546765

申请日：2015-11-25

Applicant: Nitto Denko Corporation

Designer： Shou Uchida ,  Shinsuke Ikishima

公开(公告)号：US11369528B2

公开(公告)日：2022-06-28

申请号：US16078900

申请日：2017-03-03

Applicant: NITTO DENKO CORPORATION

Inventor： Kohei Takeda ,  Shinsuke Ikishima ,  Ryuji Kuwabara

IPC: A61F13/514 ,  B32B25/08 ,  B32B27/32 ,  A61F13/49 ,  A61F13/539

Abstract: Provided is a stretchable laminate that achieves both a weight reduction and an extension strength, and that can be stably produced. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, wherein when a longitudinal direction of the stretchable laminate is defined as an MD direction and a direction perpendicular to the longitudinal direction is defined as a CD direction, a ratio [10% extension strength in MD direction (N/30 mm)]/[basis weight (gsm)] of the stretchable laminate is 0.14 (N/30 mm·gsm) or more.

公开(公告)号：US10889089B2

公开(公告)日：2021-01-12

申请号：US16348565

申请日：2017-12-01

Applicant: NITTO DENKO CORPORATION

Inventor： Kohei Takeda ,  Muneshige Nakagawa ,  Shinsuke Ikishima

IPC: B32B25/14 ,  B32B5/02 ,  B32B25/10

Abstract: Provided is a stretchable film that can prevent a delivery failure when delivered from a winding body. Also provided is a stretchable laminate including such stretchable film. Still also provided is an article including such stretchable laminate. The stretchable film of the present invention includes a laminated film of a plurality of elastomer layers, wherein the stretchable film includes an elastomer layer (A1), an elastomer layer (B), and an elastomer layer (A2) in the stated order, wherein the elastomer layer (A1) and the elastomer layer (A2) are provided as outer layers, and wherein each of the elastomer layer (A1) and the elastomer layer (A2) contains a fatty acid amide.