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公开(公告)号：US20190002718A1
公开(公告)日：2019-01-03
申请号：US16064167
申请日：2016-12-21
Applicant: POSCO , INKTEC CO., LTD.
Inventor： Ha-Na CHOI , Kyung-Pyo YU , Jin-Tae KIM , Chan-Hee PARK , Jung-Hwan LEE , Yon-Kyun SONG
IPC: C09D11/38 , C09D11/101 , C09D11/102 , C09D7/63
Abstract: An ink composition for a printed steel sheet, having excellent adhesion to a steel sheet, processability, solvent resistance, and the like, a method for manufacturing a printed steel sheet using the same, and a printed steel sheet manufactured thereby, are provided. The ink composition for a steel material includes 10 to 30 parts by weight of a mixture of a urethane acrylate oligomer and another type of acrylate oligomer different from the urethane acrylate oligomer, 65 to 80 parts by weight of a radiation curable monomer which is a mixture of a monofunctional radiation curable monomer and a di- or more functional radiation curable monomer, 1 to 10 parts by weight of a photoinitiator, and 0.01 to 10 parts by weight of an adhesion promoter.
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公开(公告)号：US20200324519A1
公开(公告)日：2020-10-15
申请号：US16956248
申请日：2018-12-06
Applicant: POSCO
Inventor： Jin-Tae KIM , Myung-Soo KIM , Jung-Hwan LEE , Ha-Na CHOI
Abstract: A composite material steel sheet comprises: at least one steel sheet, and a resin-impregnated paper composite layer, wherein the resin-impregnated paper composite layer may comprise stacked sheets of paper, and impregnated resin provide adhesion between the sheets of paper in contact with each other.
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3.发明申请公开(公告)号：US20200306793A1
公开(公告)日：2020-10-01
申请号：US15779689
申请日：2016-11-23
Applicant: POSCO
Inventor： Jung-Hwan LEE , Ha-Na CHOI , Jin-Tae KIM , Yon-Kyun SONG , Bong-Woo HA
Abstract: Provided is a surface-treated metallic material with easy control of glossiness and a manufacturing method therefor, the surface-treated metallic material comprising: a metallic material; and a coating layer which is formed on at least one side of the metallic material and on which an ultraviolet curable coating composition is cured, wherein the coating layer consists of a plurality of protrusions, which have a volume of 3 to 16 pico liters and are arranged at a density of 5 to 610 per 1 mm2 of the metallic material. As such, the surface-treated steel sheet is excellent in adhesion, scratch resistance and corrosion resistance, and has easy control of glossiness.
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Patent Agency Ranking
公开(公告)号：US20200255687A1
公开(公告)日：2020-08-13
申请号：US15776254
申请日：2016-11-24
Applicant: POSCO
Inventor： Jin-Tae KIM , Ha-Na CHOI , Yang-Ho CHOI , Jung-Hwan LEE , Yon-Kyun SONG , Jong-Kook KIM
IPC: C09D183/06 , C09D183/08 , C09D5/08 , C08L75/04 , B05D3/06 , B05D7/14 , B05D7/00 , B41M5/00 , C09D11/101 , C09D7/47
Abstract: Provided is a coating composition having excellent corrosion resistance and fingerprint resistance, and also provides a stainless steel sheet having etching patterns and a manufacturing method therefor, the stainless steel sheet comprising: a stainless steel sheet; a coating layer, which is formed on the stainless steel sheet and is a cured product of the coating composition; and a quenching coated film layer formed on the coating layer and having a quenching effect, wherein: the coating layer, formed by curing the coating composition having excellent corrosion resistance and fingerprint resistance, is transparent and has high gloss, thereby having an effect of enabling the surface characteristics of the stainless steel sheet to be expressed as they are; the stainless steel sheet having etching patterns has excellent corrosion resistance and fingerprint resistance even on the parts thereof on which the etching patterns are not formed.
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公开(公告)号：US20230357598A1
公开(公告)日：2023-11-09
申请号：US18352933
申请日：2023-07-14
Applicant: POSCO CO., LTD
Inventor： Jin-Tae KIM , Ha-Na CHOI , Yang-Ho CHOI , Jung-Hwan LEE , Yon-Kyun SONG , Jong-Kook KIM
IPC: B05D7/14 , C09D5/08 , C09D183/06 , C09D183/08 , C09D7/47 , B05D3/06 , C09D11/101 , B05D7/00 , B41M5/00 , C08L75/04
CPC classification number: C09D183/06 , B05D3/067 , B05D7/14 , B05D7/52 , B41M5/0047 , C08L75/04 , C09D5/08 , C09D7/47 , C09D11/101 , C09D183/08 , B05D2202/15 , C08K3/22
Abstract: Provided is a manufacturing method of a stainless steel sheet having etching patterns. The method includes: coating a coating composition on a stainless steel sheet to form a coating layer; and forming a matte coated film layer, having an etching effect, on the coating layer. The coating composition comprises: 10 to 30 wt% of a silane-based compound, 0.5 to 6 wt% of an organic acid, 0.1 to 3 wt% of a vanadium compound, 0.1 to 3 wt% of a magnesium compound, and a remainder of a solvent.
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公开(公告)号：US20210062038A1
公开(公告)日：2021-03-04
申请号：US16957951
申请日：2018-12-11
Applicant: POSCO
Inventor： Jin-Tae KIM , Myung-Soo KIM , Jung-Hwan LEE , Ha-Na CHOI
IPC: C09D183/08 , C09D7/63 , C09D5/08
Abstract: The present invention relates to a chromium-free metal surface treatment composition comprising 10-30 parts by weight of a silane-based compound, 0.5-6 parts by weight of an organic acid, 0.1-3 parts by weight of a vanadium compound, 0.1-3 parts by weight of a magnesium compound, 0.5-3 parts by weight of a wax and a balance of a solvent. The metal surface treatment composition of the present invention can ensure slip resistance and required properties such as corrosion resistance and workability, thereby enabling a metal material to be prevented from slipping or falling off during processing, pipe making and the like.
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公开(公告)号：US20180230323A1
公开(公告)日：2018-08-16
申请号：US15751634
申请日：2016-08-12
Applicant: POSCO
Inventor： Jin-Tae KIM , Jung-Hwan LEE , Ha-Na CHOI , Yon-Kyun SONG
IPC: C09D11/38 , B41M5/00 , B41M7/00 , C09D11/101 , C09D11/107
CPC classification number: C09D11/38 , B41M1/28 , B41M5/0011 , B41M5/0023 , B41M5/0058 , B41M5/0088 , B41M7/0036 , B41M7/0081 , B41M2205/40 , C09D11/101 , C09D11/102 , C09D11/107 , C09D11/30
Abstract: Provided is an ink composition for an inkjet print steel plate, an inkjet print steel plate using the same, and a method for producing an inkjet print steel plate. The ink composition comprises: a linear acrylate-based oligomer; a reactive acrylate-based monomer; an ultraviolet curable initiator; at least one selected from the group consisting of a dye and a pigment; and at least one selected from the group consisting of an antioxidant, an antifoaming agent, and a dispersant.
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公开(公告)号：US20170354991A1
公开(公告)日：2017-12-14
申请号：US15539662
申请日：2015-08-19
Applicant: POSCO
Inventor： Jin-Tae KIM , Jong-Sang KIM , Bong-Woo HA , Yang-Ho CHOI , Jung-Hwan LEE , Ha-Na CHOI , Jong-Kook KIM
CPC classification number: B05D3/061 , B05D3/02 , B05D3/067 , B05D3/142 , B05D7/14 , B05D7/53 , B05D2202/10 , B41M5/0047 , B41M5/0058 , B41M7/0081
Abstract: A method of manufacturing a transparent pattern printed steel plate includes forming a printed paint film layer by jetting transparent ink onto at least one surface of a steel plate, and curing the printed paint film layer with ultraviolet light to form a cured printed paint film layer. Further, a method of manufacturing a transparent pattern printed steel plate includes preparing a steel plate having a color painted film layer formed on at least one surface thereof, forming a printed paint film layer by jetting transparent ink onto the color painted film layer, and curing the printed paint film layer to form a cured printed paint film layer.
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