AIR-BLAST ABRASION MATERIAL AND FUEL CELL SEPARATOR

Title:

AIR-BLAST ABRASION MATERIAL AND FUEL CELL SEPARATOR

Document Type and Number:

WIPO Patent Application WO/2024/029234

Kind Code:

A1

Abstract:

Provided is an air-blast abrasion material comprising a carbon powder having a new Mohs hardness of 2.5-7.0. The air-blast abrasion material does not readily remain on the surface of an object being blasted, and therefore, little residue of the abrasion material remains on the surface of a fuel cell separator in which at least part of the surface is subjected to roughening treatment using the air-blast abrasion material.

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Inventors:

TANNO FUMIO (JP)
TSUKAMOTO KOUJI (JP)
IWASAKI KAZUYUKI (JP)

Application Number:

PCT/JP2023/023804

Publication Date:

February 08, 2024

Filing Date:

June 27, 2023

Export Citation:

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Assignee:

NISSHINBO CHEMICAL INC (JP)

International Classes:

B24C11/00; B24C1/06; B24C3/32; C01B32/21; H01M8/0202; H01M8/0213; H01M8/0221; H01M8/0226; H01M8/10

Foreign References:

JPH04101777A	1992-04-03
JPH0195158A	1989-04-13
JP2020023413A	2020-02-13
JP2005197222A	2005-07-21

Attorney, Agent or Firm:

PATENT ATTORNEY CORPORATION EI-MEI PATENT OFFICE (JP)

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