MOLYBDENUM DISULFIDE PARTICLES AND LUBRICATING COMPOSITION

WIPO Patent Application WO/2022/201610

A1

These molybdenum disulfide particles have a 2H crystal structure and a 3R crystal structure of molybdenum disulfide. The ratio of the 3R crystal structure present in the crystal phase of the molybdenum disulfide is 10% or greater. The crystallite size of the 3R crystal structure, as calculated by expanded Rietveld analysis on the basis of the analytical formula L=Kλ/(βcosθ) using a profile obtained from powder x-ray diffraction (XRD) using Cu-Kα rays as an X-ray source, is 1-150 nm. (In the formula, K is an instrument constant dependent on the XRD optical system (incident side and detector side) and settings, L is the crystallite size [m], λ is the measurement X-ray wavelength [m], β is the half value width [rad], and θ is the Bragg angle [rad] of a diffraction line.)

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KOIKE AKIHIRO (JP)
KANO YUSUKE (JP)

PCT/JP2021/038979

September 29, 2022

October 21, 2021

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DAINIPPON INK & CHEMICALS (JP)

C01G39/06; C10M101/02; C10M125/22

WO2019181723A1

2019-09-26

CN105753053A	2016-07-13
JP2010538951A	2010-12-16
CN103086436A	2013-05-08
CN103073060A	2013-05-01
JP2021050478A	2021-04-01

NISHIZAWA Kazuyoshi et al. (JP)

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