公开(公告)号：US20210371769A1

公开(公告)日：2021-12-02

申请号：US16758115

申请日：2018-10-24

Applicant: SHOWA DENKO K.K.

Inventor： Ryuji MONDEN ,  Yu GAO ,  Kunio KONDO ,  Masumi KURITANI

IPC: C10M177/00 ,  C10M169/04 ,  C10M125/02

Abstract: A method for producing a lubricating oil composition includes: a step of mixing a base oil and fullerene, dissolving a soluble component of the fullerene in the base oil, and obtaining a mixture of the base oil and fullerene; a step of removing an insoluble component included in the mixture and obtaining a fullerene solution; and a step of heat-treating the fullerene solution.

公开(公告)号：US20200339904A1

公开(公告)日：2020-10-29

申请号：US16758234

申请日：2018-10-24

Applicant: SHOWA DENKO K.K.

Inventor： Ryuji MONDEN ,  Yu GAO ,  Kunio KONDO ,  Masumi KURITANI

IPC: C10M125/02 ,  C10M169/04

Abstract: The lubricating oil composition includes a base oil and a fullerene adduct.

公开(公告)号：US20210062409A1

公开(公告)日：2021-03-04

申请号：US16757863

申请日：2018-10-17

Applicant: SHOWA DENKO K.K.

Inventor： Takeshi IGARASHI ,  Tomoyuki TAKEI ,  Yu GAO ,  Masumi KURITANI

IPC: D06M11/74 ,  C01B32/05 ,  C08J5/06

Abstract: A carbon fiber is obtained by sequentially performing: a step (I) of dissolving a fullerene mixture including fullerenes C60 and C70 in an organic solvent to prepare a fullerene solution; a step (II) of immersing a material carbon fiber in the fullerene solution; and a step (III) of extracting the carbon fiber from the fullerene solution and drying the extracted carbon fiber.

公开(公告)号：US20210062408A1

公开(公告)日：2021-03-04

申请号：US16757861

申请日：2018-10-17

Applicant: SHOWA DENKO K.K.

Inventor： Takeshi IGARASHI ,  Tomoyuki TAKEI ,  Yu GAO ,  Masumi KURITANI

IPC: D06M11/74

Abstract: By sequentially performing: a step (I) of dissolving fullerene C60 in a polyalkylene glycol to prepare a fullerene solution; a step (II) of immersing a material carbon fiber in the fullerene solution; and a step (III) of extracting the carbon fiber from the fullerene solution, washing the extracted carbon fiber with water, and drying the carbon fiber washed with water, a carbon fiber on which fullerene C60 adsorbs is obtained.

公开(公告)号：US20210222083A1

公开(公告)日：2021-07-22

申请号：US16769085

申请日：2018-12-04

Applicant: SHOWA DENKO K.K.

Inventor： Ryuji MONDEN ,  Yu GAO ,  Masumi KURITANI ,  Kunio KONDO

IPC: C10M177/00 ,  C10M169/02 ,  C10M113/02 ,  G01N33/28 ,  G01N15/02

Abstract: A method for inspecting a lubricant oil composition containing a base oil and a fullerene, the method including: measuring at least one of a lamellar length of the lubricating oil composition and a most abundant diameter in a particle size distribution obtained by a dynamic light scattering method, and selecting the lubricating oil composition whose measured value is within a set range.

公开(公告)号：US20200283392A1

公开(公告)日：2020-09-10

申请号：US16759515

申请日：2018-08-28

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi KATO ,  Daisuke YAGYU ,  Naoya FUKUMOTO ,  Yuta YAMAGUCHI ,  Masumi KURITANI ,  Katsumi MUROFUSHI ,  Masaki NANko ,  Hiroyuki TOMITA

IPC: C07D231/12 ,  C10M107/24 ,  C10M107/38 ,  C10M107/40 ,  C10M107/46 ,  G11B5/725 ,  C07D277/24 ,  C07D333/16

Abstract: Provided is a fluorine-containing ether compound capable of forming a lubricant layer having excellent wear resistance even when the thickness is thin, and suitable as a material of a lubricant for a magnetic recording medium. The fluorine-containing ether compound is a compound represented by the following formula (1): R1—R2—CH2—R3—CH2—R4—R5; wherein R3 is a perfluoropolyether chain; R1 is a terminal group bonded to R2; R5 is a terminal group bonded to R4; R1 is an alkenyl group or an alkynyl group; R5 is a group containing a heterocyclic ring; R2 is represented by the following formula (2); R4 is represented by the following formula (3); and a in the formula (2) and b in the formula (3) are each independently an integer of 1 to 3.

公开(公告)号：US20210062407A1

公开(公告)日：2021-03-04

申请号：US16756250

申请日：2018-10-17

Applicant: SHOWA DENKO K.K.

Inventor： Takeshi IGARASHI ,  Tomoyuki TAKEI ,  Yu GAO ,  Masumi KURITANI

IPC: D06M11/74 ,  C01B32/05 ,  C08J5/06 ,  D06M23/10

Abstract: By sequentially performing: a step (I) of dissolving fullerene C70 in an organic solvent to prepare a fullerene solution; a step (II) of immersing a material carbon fiber in the fullerene solution; and a step (III) of extracting the carbon fiber from the fullerene solution and drying the extracted carbon fiber, a carbon fiber on which fullerene C70 adsorbs is obtained.

公开(公告)号：US20210062102A1

公开(公告)日：2021-03-04

申请号：US16644586

申请日：2018-08-23

Applicant: SHOWA DENKO K.K.

Inventor： Tsuyoshi KATO ,  Daisuke YAGYU ,  Naoya FUKUMOTO ,  Masaki NANKO ,  Masumi KURITANI ,  Katsumi MUROFUSHI

IPC: C10M105/54 ,  C07C43/23 ,  C07D333/16 ,  G11B5/73

Abstract: A fluorine-containing ether compound represented by R1—R2—CH2—R3—CH2—R4—R5 is provided. (R3 is a perfluoropolyether chain; R1 and R5 are each independently any one of an alkyl group that may have a substituent, an organic group having at least one double bond or at least one triple bond, and a hydrogen atom; and —R2—CH2—R3 is represented by Formula (2), and R3—CH2—R4— is represented by Formula (3)) -[A]-[B]—O—CH2—R3   (2) R3—CH2—O—[C]-[D]-   (3) ([A] is represented by Formula (4), [B] is represented by Formula (5), [C] is represented by Formula (6), [D] is represented by Formula (7), and in the formula, a and b are integers of 0 to 2, c is an integer of 2 to 5, d and f are integers of 0 to 2, and e is an integer of 2 to 5, and at least one of b and d in the formula is 1 or more)

公开(公告)号：US20160251531A1

公开(公告)日：2016-09-01

申请号：US15032388

申请日：2014-10-28

Applicant: SHOWA DENKO K.K.

Inventor： Hiroshi UCHIDA ,  Shoichiro WAKABAYASHI ,  Jun DOU ,  Takahiko ONO ,  Masumi KURITANI

IPC: C09D11/52 ,  H05K3/12 ,  H05K1/09 ,  C09D11/037 ,  H01B1/02

CPC classification number: C09D11/52 ,  B41F15/00 ,  C09D11/037 ,  C09D11/10 ,  H01B1/02 ,  H01B1/22 ,  H05K1/092 ,  H05K3/1216 ,  H05K3/1291 ,  H05K2201/0245

Abstract: Provided are a conductive composition for thin film printing and a method for forming a thin film conductive pattern, which can easily performing thin film printing, and can capable of improve conductivity by thermal sintering at a comparatively low temperature of 300° C. or less or by photo irradiation. A conductive composition comprises metal particles, a binder resin, and a solvent, the content of an organic compound in the solvent being 5 to 98% by mass, the organic compound comprising a hydrocarbon group having a bridged cyclic structure and a hydroxyl group, the content of metal particles being 15 to 60% by mass, the metal particles containing 20% by mass or more of flat metal particles, the content of the binder resin being 0.5 to 10 parts by mass relative to 100 parts by mass of the metal particles, and the viscosity at 25° C. being 1.0×103 to 2×105 mPa·s. The composition is printed in a pattern having any selected shape on a substrate, by screen printing, and the pattern is subjected to thermal sintering at a temperature of 300° C. or less and/or subjecting the pattern to pulsed light irradiation.

Abstract translation: 提供一种用于薄膜印刷的导电组合物和形成薄膜导电图案的方法，其可以容易地进行薄膜印刷，并且能够在300℃或更低的较低温度下通过热烧结提高导电性， 通过光照照射。 导电性组合物包含金属颗粒，粘合剂树脂和溶剂，溶剂中有机化合物的含量为5〜98质量％，所述有机化合物包含具有桥连环状结构和羟基的烃基， 金属粒子的含量为15〜60质量％，金属粒子含有20质量％以上的平坦金属粒子，粘合剂树脂的含量相对于100质量份的金属粒子为0.5〜10质量份 ，25℃下的粘度为1.0×10 3〜2×10 5 mPa·s。 通过丝网印刷将组合物印刷在基板上具有任何选定形状的图案，并且在300℃或更低的温度下对图案进行热烧结和/或使图案经受脉冲光照射。