公开(公告)号：US11718809B2

公开(公告)日：2023-08-08

申请号：US17777543

申请日：2020-12-07

Applicant: DIC Corporation

Inventor： Yusuke Kano ,  Hironobu Oki ,  Tomoki Dohi ,  Jianjun Yuan

IPC: C10M103/06 ,  C10M125/22 ,  C10N10/12 ,  C10N20/06 ,  C10N30/06

CPC classification number: C10M103/06 ,  C10M125/22 ,  C10M2201/066 ,  C10M2201/0663 ,  C10M2203/003 ,  C10N2010/12 ,  C10N2020/06 ,  C10N2030/06

Abstract: The present invention relates to a lubricant containing molybdenum sulfide particles, and the molybdenum sulfide particles contain molybdenum disulfide having a 3R crystal structure. The present invention relates to a lubricating composition containing molybdenum sulfide particles, which are the lubricant, and a base oil which is a mineral oil, a synthetic oil, or a partially synthetic oil.

公开(公告)号：US20240158714A1

公开(公告)日：2024-05-16

申请号：US18281612

申请日：2021-10-21

Applicant: DIC Corporation

Inventor： Akihiro Koike ,  Yusuke Kano

IPC: C10M125/22 ,  C01G39/06 ,  C10M139/00 ,  C10M141/12 ,  C10M169/04 ,  C10N20/06

CPC classification number: C10M125/22 ,  C01G39/06 ,  C10M139/00 ,  C10M141/12 ,  C10M169/04 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C10M2201/066 ,  C10M2203/003 ,  C10N2020/06

Abstract: Molybdenum disulfide particles include a 2H crystal structure and a 3R crystal structure of molybdenum disulfide, in which a presence ratio of the 3R crystal structure in a crystal phase of molybdenum disulfide is 10% or more, and a crystallite size of the 3R crystal structure calculated by extended-type Rietveld analysis based on an analysis formula L=Kλ/(β cos θ) using a profile obtained from powder X-ray diffraction (XRD) using Cu-Kα rays as an X-ray source is 1 nm or more and 150 nm or less (in the above formula, K is an instrumental constant that depends on an XRD optical system (an incident side and a detector side) and settings, L is a crystallite size [m], λ is a measured X-ray wavelength [m], β is a half width [rad], and θ is a Bragg angle of a diffraction line [rad]).

公开(公告)号：US20220403277A1

公开(公告)日：2022-12-22

申请号：US17777543

申请日：2020-12-07

Applicant: DIC Corporation

Inventor： Yusuke Kano ,  Hironobu Oki ,  Tomoki Dohi ,  Jianjun Yuan

IPC: C10M103/06 ,  C10M101/00

Abstract: The present invention relates to a lubricant containing molybdenum sulfide particles, and the molybdenum sulfide particles contain molybdenum disulfide having a 3R crystal structure. The present invention relates to a lubricating composition containing molybdenum sulfide particles, which are the lubricant, and a base oil which is a mineral oil, a synthetic oil, or a partially synthetic oil.

公开(公告)号：US12203044B2

公开(公告)日：2025-01-21

申请号：US18282058

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Hironobu Matsueda ,  Yusuke Kano ,  Akihiro Koike ,  Jianjun Yuan

IPC: C10M125/22 ,  C10M169/06 ,  C10N10/02 ,  C10N10/12 ,  C10N20/06 ,  C10N30/06 ,  C10N50/10

Abstract: Provided is a particle-containing grease composition that can efficiently improve friction and wear resistance properties with a small added amount and exhibits excellent friction and wear resistance properties even when a clearance and the surface roughness of the friction surface in sliding parts are extremely small. The particle-containing grease composition includes base oil, a thickener, and molybdenum disulfide particles, in which a median diameter D50 of the molybdenum disulfide particles determined by a dynamic light scattering method is 10 nm or more and less than 450 nm.

公开(公告)号：US20240174834A1

公开(公告)日：2024-05-30

申请号：US18281366

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Akihiro Koike ,  Yusuke Kano ,  Shingo Takada ,  Jianjun Yuan

IPC: C08K3/30 ,  C08J5/00

CPC classification number: C08K3/30 ,  C08J5/005 ,  C08J2381/04 ,  C08K2003/3009 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/006 ,  C08K2201/016

Abstract: Provided is a particle-containing resin composition having an appropriate particle size and being capable of improving friction and wear resistance properties even under a high temperature and high load environment. The particle-containing resin composition according to the present invention includes a resin composition and molybdenum disulfide particles, in which a median diameter D50 of the molybdenum disulfide particles determined by a dynamic light scattering method is 10 nm or more and 1,000 nm or less.

公开(公告)号：US20240059580A1

公开(公告)日：2024-02-22

申请号：US18282040

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Akihiro Koike ,  Youki Kou ,  Yusuke Kano ,  Jianjun Yuan

IPC: C01G39/02

CPC classification number: C01G39/02 ,  C01P2002/60 ,  C01P2006/80 ,  C01P2006/12 ,  C01P2002/72 ,  C01P2004/10 ,  C01P2004/50 ,  C01P2002/74

Abstract: Provided is a molybdenum trioxide powder containing an aggregate of primary particles containing a crystal structure of molybdenum trioxide, the crystal structure containing α crystals with an average crystallite size of 50 nm or less, a median diameter D50 of the primary particles being 2,000 nm or less determined by dynamic light scattering.

公开(公告)号：US12129184B2

公开(公告)日：2024-10-29

申请号：US17762736

申请日：2020-09-24

Applicant: DIC Corporation

Inventor： Hironobu Oki ,  Yusuke Kano ,  Tomoki Dohi ,  Seiji Mizuta ,  Minoru Tabuchi ,  Jianjun Yuan ,  Masato Otsu

IPC: C01G39/06 ,  B01D1/00 ,  B01J20/02 ,  B01J20/28 ,  B01J20/30 ,  B01J27/051 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10 ,  B01J35/23 ,  B01J35/50 ,  B01J35/61 ,  B01J37/20 ,  C09K5/14 ,  F24S60/30

CPC classification number: C01G39/06 ,  B01D1/0035 ,  B01J20/0218 ,  B01J20/0285 ,  B01J20/28007 ,  B01J20/28016 ,  B01J20/28059 ,  B01J20/3085 ,  B01J27/051 ,  B01J35/23 ,  B01J35/50 ,  B01J35/613 ,  B01J37/20 ,  C09K5/14 ,  F24S60/30 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/04 ,  C01P2004/17 ,  C01P2004/24 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12

Abstract: A molybdenum sulfide powder according to the invention contains molybdenum disulfide having a 3R crystal structure. A heavy-metal adsorbent according to the invention contains molybdenum sulfide particles, and the molybdenum sulfide particles have a median diameter D50 of 10 nm to 1,000 nm obtained by a dynamic light scattering type particle diameter distribution measuring device. A photothermal conversion material according to the invention contains a material containing molybdenum sulfide particles and generates heat by absorbing light energy.

公开(公告)号：US20240229264A9

公开(公告)日：2024-07-11

申请号：US18276265

申请日：2022-02-02

Applicant: DIC Corporation

Inventor： Youki Kou ,  Yusuke Kano ,  Minoru Tabuchi ,  Jianjun Yuan

IPC: C25B11/091 ,  C30B29/48

CPC classification number: C25B11/091 ,  C30B29/48

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.

公开(公告)号：US20240158715A1

公开(公告)日：2024-05-16

申请号：US18282058

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Hironobu Matsueda ,  Yusuke Kano ,  Akihiro Koike ,  Jianjun Yuan

IPC: C10M125/22 ,  C10M169/06 ,  C10N10/02 ,  C10N10/12 ,  C10N20/06 ,  C10N30/06 ,  C10N50/10

CPC classification number: C10M125/22 ,  C10M169/06 ,  C10M2201/066 ,  C10N2010/02 ,  C10N2010/12 ,  C10N2020/06 ,  C10N2030/06 ,  C10N2050/10

Abstract: Provided is a particle-containing grease composition that can efficiently improve friction and wear resistance properties with a small added amount and exhibits excellent friction and wear resistance properties even when a clearance and the surface roughness of the friction surface in sliding parts are extremely small. The particle-containing grease composition includes base oil, a thickener, and molybdenum disulfide particles, in which a median diameter D50 of the molybdenum disulfide particles determined by a dynamic light scattering method is 10 nm or more and less than 450 nm.

公开(公告)号：US20240133061A1

公开(公告)日：2024-04-25

申请号：US18276265

申请日：2022-02-02

Applicant: DIC Corporation

Inventor： Youki Kou ,  Yusuke Kano ,  Minoru Tabuchi ,  Jianjun Yuan

IPC: C25B11/091 ,  C30B29/48

CPC classification number: C25B11/091 ,  C30B29/48

Abstract: A hydrogen generation catalyst according to a first aspect of the present invention contains a molybdenum sulfide powder containing molybdenum disulfide having a 3R crystal structure. A hydrogen generation catalyst according to a second aspect of the present invention contains a metal-doped molybdenum sulfide powder containing a doping metal in Groups 3 to 13 and molybdenum disulfide having a 3R crystal structure.