Title:
ADHESIVE COATING COMPOSITION FOR ELECTRICAL STEEL SHEET, ELECTRICAL STEEL SHEET WITH ADHESIVE COATING LAYER, ELECTRICAL STEEL SHEET PRODUCT, AND METHOD FOR MANUFACTURING PRODUCT
Document Type and Number:
WIPO Patent Application WO/2017/111471
Kind Code:
A8
Abstract:
The present invention relates to an electrical steel sheet adhesive coating composition, an electrical steel sheet having an adhesive coating layer formed thereon, an electrical steel sheet product, and a manufacturing method therefor, and provides an electrical steel sheet adhesive coating composition comprising a first component and a solvent, the first component comprising water glass and an additive, wherein the water glass comprises a material represented by chemical formula 1 below; the additive is one among an oxide and a hydroxide, or a mixture of two or more thereof; for the total 100 wt% of the first component, 80-99.9 wt% of the water glass is included, and 0.1-20 wt% of the additive is included; with respect to the total 100 parts by weight of the first component, 5-200 parts by weight of the solvent is included; and the specific gravity of the electrical steel sheet adhesive coating composition is 1.01-1.5g/1. [Chemical formula 1]. MxO-n1Si02-m1H2O
Inventors:
KIM JUNG WOO (KR)
CHOI HEON JO (KR)
BONG WON-SEOG (KR)
NO TAE YOUNG (KR)
PARK JONG-TAE (KR)
CHOI HEON JO (KR)
BONG WON-SEOG (KR)
NO TAE YOUNG (KR)
PARK JONG-TAE (KR)
Application Number:
PCT/KR2016/015033
Publication Date:
August 17, 2017
Filing Date:
December 21, 2016
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C09J1/02; B05D7/00; C09D1/02; C09D1/04; C09D7/12; C09J11/04; C21D1/30; C22C38/02; C23C26/02
Attorney, Agent or Firm:
YOU ME PATENT & LAW FIRM (KR)
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