SILICON CARBIDE POWDER AND PREPARATION METHOD THEREFOR

WIPO Patent Application WO/2018/212414

A1

The present invention relates to a preparation method for ultra-pure silicon carbide using a superporous spherical silica aerogel as a silica raw material, wherein the method having effects of enabling the low-temperature synthesis of silicon carbide by increasing a reaction area with a carbon raw material, producing ultra-pure silicon carbide by uniformly adjusting the size and shape of a silicon carbide powder, and improving the economic efficiency and productivity in the synthesis of silicon carbide by using low-priced water glass to prepare the silica aerogel particles, and therefore, it is expected that the silicon carbide powder prepared by the preparation method of the present invention can be provided as a raw material optimized for the preparation of silicon carbide sintered bodies and single crystal ingots.

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KIM YOUNG HUN (KR)
LEE JE KYUN (KR)
HWANG HAE JIN (KR)
LEE KYOUNG JIN (KR)

KR2017/011782

November 22, 2018

October 24, 2017

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LG CHEMICAL LTD (KR)
UNIV INHA RES & BUSINESS FOUND (KR)

C01B32/956; C01B33/158

KR20120012343A	2012-02-09
KR20130128365A	2013-11-26
CN103864076A	2014-06-18
KR100758019B1	2007-09-11
KR20050019828A	2005-03-03

BAE, KIM & LEE IP GROUP (KR)

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