公开(公告)号：US20180023220A1

公开(公告)日：2018-01-25

申请号：US15720725

申请日：2017-09-29

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Kenji HATA ,  Seisuke ATA ,  Shigeki TOMONOH ,  Howon YOON

IPC: D01F9/12 ,  C01B32/159 ,  C01B32/174

CPC classification number: D01F9/12 ,  B29B15/105 ,  B32B5/00 ,  B32B5/28 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/158 ,  C01B32/159 ,  C01B32/174 ,  C08J5/005 ,  C08J5/042 ,  C08J5/24 ,  C08J2300/24 ,  C08J2363/00 ,  C08K3/041 ,  C08L101/00 ,  C08L63/00

Abstract: Provided are a carbon fiber composite material and a producing method thereof comprising an adhesive layer having excellent conductivity and high peeling strength. A carbon fiber composite material according to the present application includes a first carbon fiber dispersion layer having carbon fibers dispersed in a thermosetting resin, a carbon nanotube dispersion layer having carbon nanotubes dispersed in a thermosetting resin, and a second carbon fiber dispersion layer having carbon fibers dispersed in a thermosetting resin, wherein the carbon nanotube dispersion layer is arranged between the first carbon fiber dispersion layer and the second carbon fiber dispersion layer, and the carbon nanotubes in the carbon nanotube dispersion layer are arranged in close contact with the carbon fibers of the first carbon fiber dispersion layer and the carbon fibers of the second carbon fiber dispersion layer.

公开(公告)号：US20180044184A1

公开(公告)日：2018-02-15

申请号：US15551412

申请日：2016-02-19

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY,

Inventor： Seisuke ATA ,  Kenji HATA ,  Shigeki TOMONOH

IPC: C01B32/164 ,  C08K7/28 ,  C08K3/04 ,  B82Y30/00

CPC classification number: C01B32/164 ,  B82Y30/00 ,  C01B32/172 ,  C01B32/174 ,  C08K3/04 ,  C08K3/041 ,  C08K7/28 ,  C08K2201/003 ,  C08K2201/006 ,  C08L101/00 ,  C08L21/00 ,  C08L27/12

Abstract: A carbon nanotube-elastomer composite material according to the present invention contains carbon nanotubes and an elastomer, which contains the carbon nanotubes in a range of 0.1 part by weight to 20 parts by weight relative to the total weight of the carbon nanotubes and the elastomer, and in which the elastomer has a thermal decomposition temperature of 150° C. or more, and supposing that the resulting storage modulus is E′(t) when the carbon nanotube-elastomer composite material is maintained at 150° C. for t hours, a ratio E′ (24)/E′(0) between a storage modulus E′ (0) at the time of t=0 hour and a storage modulus E′(24) at the time of t=24 hours is set in a range from 0.5 or more to 1.5 or less in the resulting carbon nanotube-elastomer composite material.

公开(公告)号：US20170369660A1

公开(公告)日：2017-12-28

申请号：US15681113

申请日：2017-08-18

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Seisuke ATA ,  Kenji HATA ,  Shigeki TOMONOH

IPC: C08J5/00 ,  C08L21/00 ,  B82Y30/00 ,  C08K3/04 ,  B82Y40/00 ,  C01B32/174 ,  C08L101/00

CPC classification number: C08J5/005 ,  B82Y30/00 ,  C01B32/174 ,  C01B2202/02 ,  C01B2202/06 ,  C08J2321/00 ,  C08K3/041 ,  C08L21/00 ,  C08L101/00

Abstract: A carbon nanotube-elastomer composite material according to the present invention is produced by dispersing a carbon nanotube in an elastomer, including a carbon nanotube having a diameter of 20 nm or less, the number of layers of 10 or less, the carbon nanotube being contained in an amount of 0.1 to 20 parts by weight inclusive relative to the total weight of the carbon nanotube and the elastomer, and a continuous network having a Va/V0 value of 0.5 or more is formed in the elastomer wherein V0 represents the initial volume of the composite material and Va represents the volume of the structure formed from the remaining carbon nanotubes when the composite material is maintained at a temperature of 400° C. or higher for 6 hours while introducing nitrogen, the elastomer is thermally decomposed and the remaining carbon nanotubes form a structure.