METAL MATERIAL FOR STORAGE CONTAINER FOR HIGH-PURITY HYDROGEN FLUORIDE, HAVING IMPROVED SCRATCH RESISTANCE, AND MANUFACTURING METHOD THEREFOR

WIPO Patent Application WO/2022/139074

A1

The present invention relates to a metal material for a container for storing high-purity hydrogen fluoride, and a manufacturing method therefor, and, specifically, to a metal material for a container for storing high-purity hydrogen fluoride, and a manufacturing method therefor, the metal material comprising a graphite layer on the surface of a metal substrate, and nickel fluoride films formed in structural defect spaces within the graphite layer, so that corrosion resistance and scratch resistance are improved, and thus high-purity hydrogen fluoride, which is a corrosive gas, can be stored and transferred without being contaminated.

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SONG YOUNG-HA (KR)
KIM YOUNG-BOM (KR)

PCT/KR2021/004964

June 30, 2022

April 20, 2021

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SK MAT CO LTD (KR)

C23C28/00; F17C1/10; F17C13/00

KR20130041438A	2013-04-25
JPH05302177A	1993-11-16
KR100591502B1	2006-06-19
US6280597B1	2001-08-28
KR101745573B1	2017-06-12

GHONG-GAN INTERNATIONAL PATENT LAW FIRM (KR)

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