ELECTRO-GALVANIZED STEEL SHEET COATING COMPOSITION HAVING EXCELLENT HEAT-RESISTANCE AND TAPE ADHESIVENESS, SURFACE-TREATED STEEL SHEET USING SAME, AND MANUFACTURING METHOD OF SAME

WIPO Patent Application WO/2021/118114

A3

The present invention provides an electro-galvanized steel sheet coating composition having not only excellent heat resistance, corrosion resistance, and chemical resistance, but also adhesiveness to a tape which is used for a chassis. More specifically, the present invention provides an electro-galvanized steel sheet coating composition, a surface-treated steel sheet using same, and a manufacturing method therefor, the coating composition comprising: silane; a silica sol; a polyurethane resin, an acryl-based emulsion resin, or a mixture thereof; an additive for preventing corrosion; and water, wherein the silane includes tetra-functional silane and tri-functional silane.

WO/2020/262807	TWO-LIQUID-TYPE EPOXY-BASED COATING COMPOSITION AND AEROSOL-TYPE EPOXY-BASED COATING COMPOSITION FOR INITIAL FIRE EXTINCTION USING CAPSULE-TYPE FIRE EXTINGUISHING AGENT
JP7075582	Sealing agent
JP2022048117	HARD COATING FILM, AND IMAGE DISPLAY DEVICE PROVIDED WITH THE SAME

JO DU-HWAN (KR)
BANG CHAN-SEOK (KR)
KIM GAB-YONG (KR)
SONG WOOK-HYUN (KR)
KANG KYUNG-SOO (KR)

PCT/KR2020/016788

August 05, 2021

November 25, 2020

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POSCO (KR)
NOROO COIL COATINGS CO LTD (KR)

C09D7/63; B05D3/02; B05D5/08; B05D7/14; C08K5/54; C09D5/00; C09D201/00; C23F11/18; C25D5/48

KR20090071490A	2009-07-01
KR20150008921A	2015-01-23
KR20030021774A	2003-03-15
KR20000010221A	2000-02-15
JPH06240207A	1994-08-30

C&S PATENT AND LAW OFFICE (KR)

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