INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME

Title:

INSULATION COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2023/121269

Kind Code:

A1

Abstract:

An insulation coating composition for an electrical steel sheet according to one embodiment of the present invention comprises 100 parts by weight of a resin containing two or more aromatic rings or aliphatic rings in a repeating unit and 20 to 150 parts by weight of zirconium phosphate.

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Inventors:

KWON MIN SERK (KR)
PARK SE-MIN (KR)
CHOI HEON-JO (KR)

Application Number:

PCT/KR2022/020906

Publication Date:

June 29, 2023

Filing Date:

December 20, 2022

Export Citation:

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Assignee:

POSCO CO LTD (KR)

International Classes:

C09D7/61; C08K3/22; C08K3/32; C09D7/40; C09D163/00; C09D171/00

Domestic Patent References:

WO2010123314A2

2010-10-28

Foreign References:

KR20130031914A	2013-03-29
US20170137664A1	2017-05-18
US20080153976A1	2008-06-26
US20110007489A1	2011-01-13

Attorney, Agent or Firm:

YOU ME PATENT AND LAW FIRM (KR)

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