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公开(公告)号：US20230046554A1
公开(公告)日：2023-02-16
申请号：US17965027
申请日：2022-10-13
Applicant: ADMATECHS CO., LTD.
Inventor： Kenta TAKEI , Yuri AOKI , Yusuke WATANABE , Nobutaka TOMITA
Abstract: A modified metal oxide particle material includes: a metal oxide particle material having, on a surface thereof, a functional group other than a phenyl group; and a modifying material formed of a silicon-containing compound having a phenyl group. The modifying material is adhered to the surface of the metal oxide particle material. When the modified metal oxide particle material is washed with methyl ethyl ketone, a ratio (C/H) of a carbon content C (% by mass) to a surface area H (m2) per 1 g is 0.05 or less, after the washing. The ratio (C/H) is reduced by 0.1 or more, and the modifying material is removed by 50% or more by mass, after the washing compared with before the washing.
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公开(公告)号：US20230024335A1
公开(公告)日：2023-01-26
申请号：US17953430
申请日：2022-09-27
Applicant: ADMATECHS CO., LTD.
Inventor： Kenta TAKEI , Yusuke WATANABE , Nobutaka TOMITA
Abstract: A particle material that has high dispersibility in a dispersion medium such as toluene having high hydrophobicity, and a slurry composition in which the particle material is used, are provided for solving the problem. A surface-modified particle material of the present invention includes: a particle material formed of an inorganic material; and a surface treatment agent formed of a silane compound having a first functional group that has any of C, N, and O atoms away over five or more atoms from Si to which an alkoxide is bound, the surface treatment agent allowing surface treatment of the particle material in such an amount that a degree of hydrophobicity becomes not less than 30%. Dispersibility is enhanced also in a dispersion medium having high hydrophobicity in a case where a functional group having a predetermined structure is introduced so as to impart predetermined or higher hydrophobicity.
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