公开(公告)号：US20140217331A1

公开(公告)日：2014-08-07

申请号：US14228372

申请日：2014-03-28

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Kenji HATA ,  Seisuke ATA ,  Takeo YAMADA

IPC: H01B1/24

CPC classification number: H01B1/24 ,  B82Y30/00 ,  C08J5/042 ,  C08J2301/00 ,  C08K7/24 ,  C08K2201/011 ,  Y10S977/783 ,  C08L21/00

Abstract: A carbon nanotube composite material capable of exhibiting a high conductivity with a small amount of carbon nanotubes is realized. A carbon nanotube composite material according to the present invention contains carbon nanotubes dispersed in a matrix and includes a carbon nanotube group formed of a plurality of carbon nanotubes, and a basic material area. The carbon nanotubes are contained in an amount of 0.0001% by weight or greater and 1.0% by weight or less; and the carbon nanotube composite material has a conductivity of 10−7 S/cm or greater.

Abstract translation: 实现了能够用少量碳纳米管显示高导电性的碳纳米管复合材料。 根据本发明的碳纳米管复合材料包含分散在基体中的碳纳米管，并且包括由多个碳纳米管形成的碳纳米管组和基本材料区域。 碳纳米管的含量为0.0001重量％以上且1.0重量％以下; 碳纳米管复合材料的导电率为10 -7 S / cm以上。

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.

公开(公告)号：US20170107416A1

公开(公告)日：2017-04-20

申请号：US15337450

申请日：2016-10-28

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Kenji HATA ,  Seisuke ATA

IPC: C09K5/14 ,  C08K7/00 ,  D04H13/00 ,  D01F9/12

CPC classification number: C09K5/14 ,  B82Y30/00 ,  C08J5/005 ,  C08J5/042 ,  C08K3/04 ,  C08K3/041 ,  C08K7/06 ,  D01F9/145 ,  H01B1/24 ,  Y10S977/742 ,  C08L21/00 ,  C08L101/00

Abstract: A CNT composite material includes a CNT group and carbon fibers dispersed in a matrix, the CNT composite material includes 0.01 wt % or more and 30 wt % or less of CNT aggregate. The CNT group includes a three dimensional network structure with a size of 10 μm or more and has a maximum distribution range of a differential pore volume of 0.01 μm or more and 10 μm or less in a range of 4 nm or more and 1000 μm or less of a pore diameter. The carbon fibers have a maximum distribution range of a differential pore volume of 1 μm or more and 100 μm or less in a range of 4 nm or more and 1000 μm or less of a pore diameter. A total specific surface area of the CNT aggregate and the carbon fibers is 10 m2/g or more and 500 m2/g or less.

公开(公告)号：US20140291589A1

公开(公告)日：2014-10-02

申请号：US14191609

申请日：2014-02-27

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Kenji HATA ,  Seisuke ATA ,  Kazufumi KOBASHI

IPC: H01B1/24

CPC classification number: H01B1/24 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/16 ,  C01B2202/22 ,  C01B2202/34 ,  C01B2202/36 ,  C08K3/04 ,  C08K3/041 ,  C08K2201/011 ,  C08L101/00 ,  C08L27/12

Abstract: Provide is a carbon nanotube composite material and conductive material to solve the problems of the prior art described above by providing a high conductivity and showing excellent durability against repeated stress such as strain. A carbon nanotube composite material of the invention is a conductive material having carbon nanotubes dispersed in a matrix including observing a peak in each region of 110±10 cm−1, 190±10 cm−1 and 200 cm−1 or more in a Raman spectroscopic analysis at a wavelength of 633 nm, and a ratio R/R0 of an electrical resistance R after a load of repeated stress of 100 times at 10% elongation with respect to an electrical resistance R0 prior to applying a load is 5 or more. In addition, a conductive material of the invention comprises these characteristics of the carbon nanotube composite material.

Abstract translation: 提供一种碳纳米管复合材料和导电材料，以通过提供高导电性和显示出对诸如应变的重复应力显示出优异的耐久性来解决上述现有技术的问题。 本发明的碳纳米管复合材料是具有分散在基体中的碳纳米管的导电材料，包括在拉曼中观察到在110±10cm -1，190±10cm -1和200cm -1以上的各个区域的峰值 波长为633nm的光谱分析以及在施加负载之前相对于电阻R0在10％伸长率下重复应力为100次的负载后的电阻R的比R / R0为5以上。 此外，本发明的导电材料包括碳纳米管复合材料的这些特性。

公开(公告)号：US20140221533A1

公开(公告)日：2014-08-07

申请号：US14246195

申请日：2014-04-07

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Kenji HATA ,  Seisuke ATA

IPC: C09K5/14

CPC classification number: C09K5/14 ,  B82Y30/00 ,  C08J5/005 ,  C08J5/042 ,  C08K3/04 ,  C08K3/041 ,  C08K7/06 ,  D01F9/145 ,  Y10S977/742 ,  C08L21/00 ,  C08L101/00 ,  C08L27/12

Abstract: A carbon nanotube composite material having carbon nanotubes and carbon fibers dispersed in a matrix is provided wherein a carbon nanotube group formed from a plurality of the carbon nanotubes is present between the carbon fibers, an average diameter of the carbon fibers is 1 μm or more and 50 μm or less, an average diameter of the carbon nanotubes is 0.7 nm or more and 50 nm or less, the carbon nanotubes are included in a range of 0.01 wt % or more and 30 wt % or less and the carbon fibers are included in a range of 10 wt % or more and 60 wt % or less with respect to 100 wt % of the carbon nanotube composite material, thermal conductivity of the matrix is less than 10 W/mK, and the carbon nanotube composite material includes thermal conductivity in a direction of 10 W/mK or more.

Abstract translation: 提供一种碳纳米管复合材料，其具有分散在基体中的碳纳米管和碳纤维，其中由碳纤维之间存在由多个碳纳米管形成的碳纳米管组，碳纤维的平均直径为1μm以上， 50μm以下，碳纳米管的平均直径为0.7nm以上且50nm以下，碳纳米管的含量为0.01重量％以上且30重量％以下，碳纤维包含在 相对于100重量％的碳纳米管复合材料为10重量％以上且60重量％以下的范围，基体的热导率小于10W / m·K，碳纳米管复合材料包含导热率 方向为10W / mK以上。