公开(公告)号：WO2009084777A1

公开(公告)日：2009-07-09

申请号：PCT/KR2008/002807

申请日：2008-05-20

Applicant: POSCO ,  AEKYUNG PNC CO., LTD. ,  KIM, Jung-Woo ,  HAN, Min-Soo ,  KIM, Jae-Kwan ,  HONG, Shin-Hyub ,  NAM, Yeung-Sub

Inventor： KIM, Jung-Woo ,  HAN, Min-Soo ,  KIM, Jae-Kwan ,  HONG, Shin-Hyub ,  NAM, Yeung-Sub

IPC: C23C20/00

CPC classification number: C23C18/1216

Abstract: Disclosed is a coating solution for a non-oriented electrical steel sheet, including 20-40 wt% of barium sulfate (Ba 2 SO 4 ), 10-20 wt% of titanium oxide (TiO 2 ), 15-30 wt% of ionized water, and 30-50 wt% of melamine -based resin containing ethylene glycol and glycerin as high boiling point solvents.

Abstract translation: 公开了一种无取向电工钢板的涂布液，其中包括20-40重量％的硫酸钡（Ba 2 SO 4），10-20重量％的氧化钛（TiO 2），15-30重量％的电离水和30 -50重量％的含有乙二醇和甘油作为高沸点溶剂的基于三聚氰胺的树脂。

公开(公告)号：WO2009082088A1

公开(公告)日：2009-07-02

申请号：PCT/KR2008/006620

申请日：2008-11-10

Applicant: POSCO ,  HAN, Min-Soo ,  KIM, Jung-Woo ,  HAN, Chan-Hee ,  PARK, Soon-Bok ,  KIM, Jae-Kwan

Inventor： HAN, Min-Soo ,  KIM, Jung-Woo ,  HAN, Chan-Hee ,  PARK, Soon-Bok ,  KIM, Jae-Kwan

IPC: C23C22/00

CPC classification number: C23C22/74 ,  C09D5/084 ,  C23C22/20

Abstract: Disclosed is a coating composition having superior compatibility and surface gloss for forming an insulating film and a method of forming the film. The coating composition includes, based on 100 g of a mixture solution of monoaluminum phosphate and monozinc phosphate, 0.5-5 g of a mixture solution of cobalt hydroxide and strontium hydroxide, 150-300 g of a polyester emulsion resin, 3-10 g of aluminum silicate, and 0.5-6.0 g of a chelating agent, in which the polyester emulsion resin has a weight average molecular weight of 2,000-15,000, a solid content of 15-25% and a viscosity of 100-500 cp. Even when the coating composition which is chromium-free is applied in the form of a thick film on a non-oriented electrical steel sheet, superior insulating properties, corrosion resistance, film adhesion, compatibility and surface gloss can be exhibited.

Abstract translation: 公开了一种具有优异的用于形成绝缘膜的相容性和表面光泽的涂料组合物和形成该膜的方法。 该涂料组合物包括：基于100g磷酸氢铝和磷酸一锌的混合溶液，0.5-5g氢氧化钴和氢氧化锶的混合溶液，150-300g聚酯乳液树脂，3-10g 硅酸铝和0.5-6.0克螯合剂，其中聚酯乳液树脂的重均分子量为2,000-15,000，固含量为15-25％，粘度为100-500cp。 即使在无取向电工钢板上以厚膜形式涂布无铬涂层组合物，也可以表现出优异的绝缘性，耐腐蚀性，膜粘合性，相容性和表面光泽度。

公开(公告)号：WO2008016220A1

公开(公告)日：2008-02-07

申请号：PCT/KR2007/002985

申请日：2007-06-20

Applicant: POSCO CO., LTD. ,  HAN, Min-Soo ,  KIM, Jung-Woo ,  KIM, Jae-Kwan ,  KIM, Seong-Ho

Inventor： HAN, Min-Soo ,  KIM, Jung-Woo ,  KIM, Jae-Kwan ,  KIM, Seong-Ho

IPC: C09D5/25 ,  C23C22/07

CPC classification number: C23C22/74 ,  C09D5/084 ,  C21D8/1283 ,  C23C22/20

Abstract: There is provided a chromium-free coating composition for forming an insulation film, the composition having excellent corrosion resistance and excellent film adhesion and film strength after stress relief annealing (SRA), including, based on a lOOg phosphate solution having a solid content of 60% by weight, in which monoaluminum phosphate and monozinc phosphate are mixed at a 1 :1 ratio: 0.5 ~ 5g of a solid in which cobalt hydroxide and strontium hydroxide are mixed at a 1 :1 ratio: 100 ~ 30Og of an emulsified polyester resin or an emulsified epoxy resin having a solid content of 20% by weight; 3 ~ 1Og of aluminum silicate having a solid content of 20% by weight; and 0.1 ~ 6g of a titanium chelate.

Abstract translation: 提供了一种用于形成绝缘膜的无铬涂料组合物，该组合物具有优异的耐腐蚀性和优异的薄膜粘合性和消除应力退火（SRA）后的膜强度，包括基于固体含量为60的磷酸盐溶液 重量％，其中磷酸氢二酯和磷酸氢铅以1:1的比例混合：0.5〜5g的氢氧化钴和氢氧化锶以1:1的比例混合的固体：100〜300g的乳化聚酯树脂 或固体含量为20重量％的乳化环氧树脂; 3〜10g固体含量为20重量％的硅酸铝; 和0.1〜6g的钛螯合物。

公开(公告)号：EP3888906A2

公开(公告)日：2021-10-06

申请号：EP19888551.9

申请日：2019-11-26

Applicant: POSCO

Inventor： HA, Bongwoo ,  KIM, Jung-Woo ,  NO, Taeyoung ,  LEE, Dong-Gyu

IPC: B32B7/12 ,  B32B15/18 ,  B32B15/01 ,  B32B37/12 ,  B32B37/06 ,  H01F1/16 ,  H01F41/02 ,  C09J163/00 ,  C09J133/00

Abstract: An embodiment of the present invention provides an electrical steel sheet including: an upper adhesive layer positioned on an upper surface of an electrical steel sheet; and an lower adhesive layer positioned on a lower surface of the electrical steel sheet, wherein the upper adhesive layer has a pencil hardness of F or lower, and the lower adhesive layer has a pencil hardness of H or higher.

公开(公告)号：EP3858601A1

公开(公告)日：2021-08-04

申请号：EP19867403.8

申请日：2019-09-24

Applicant: POSCO

Inventor： KIM, Jung-Woo ,  HA, Bongwoo ,  NO, Taeyoung ,  LEE, Dong-Gyu

IPC: B32B7/12 ,  B32B15/01 ,  B32B37/12

Abstract: A method for manufacturing an electrical steel sheet product according to an exemplary embodiment of the present invention includes: preparing an adhesive coating composition; forming an adhesive coating layer by applying and then curing the adhesive coating composition onto a surface of an electrical steel sheet; forming a heat-fused layer by laminating and heat-fusing a plurality of electrical steel sheets on which the adhesive coating layers are formed; and cooling the heat-fused electrical steel sheets at a cooling rate of 0.05 to 20 °C/min.

公开(公告)号：EP3831894A1

公开(公告)日：2021-06-09

申请号：EP19844929.0

申请日：2019-07-30

Applicant: POSCO

Inventor： KWON, Min Serk ,  SHIM, Ho-Kyung ,  KO, Hyunchul ,  KIM, Byung-Chul ,  CHOI, Heon-Jo ,  KIM, Jung-Woo ,  NO, Taeyoung

IPC: C09D4/00 ,  C09D7/61 ,  C09D7/40 ,  B05D7/24 ,  B05D7/14 ,  B05D3/02 ,  C21D8/12 ,  C23C22/24

Abstract: An embodiment of the present invention includes: an electrical steel sheet substrate; and an insulating coating on one or both surfaces of the electrical steel sheet substrate, wherein the insulating coating includes a silane compound and a metal hydroxide.

公开(公告)号：EP3075882A1

公开(公告)日：2016-10-05

申请号：EP14865105.2

申请日：2014-11-26

Applicant: POSCO

Inventor： KIM, Jung-Woo ,  CHOI, Heon-Jo ,  KIM, Byung-Chul

IPC: C23C30/00 ,  C23C26/00

CPC classification number: B32B15/18 ,  B32B7/12 ,  B32B15/043 ,  B32B37/06 ,  B32B37/1284 ,  B32B37/18 ,  B32B2255/06 ,  B32B2255/20 ,  B32B2255/26 ,  B32B2307/202 ,  B32B2307/208 ,  B32B2307/306 ,  B32B2311/30 ,  B32B2457/00 ,  B32B2605/00 ,  C08K3/22 ,  C08K3/32 ,  C08K3/36 ,  C08K2003/329 ,  C09D163/00 ,  C08K9/08 ,  C08K3/20

Abstract: A non-oriented electrical steel sheet composition, a manufacturing method of the non-oriented electrical steel sheet product, and a non-oriented electrical steel sheet product are provided, and the non-oriented electrical steel sheet composition includes a first composition including a soluble epoxy resin and an inorganic nanoparticle of SiO 2 , TiO 2 , ZnO, or combinations thereof, and an inorganic additive of phosphoric acid (H 3 PO 4 ), sodium hydroxide (NaOH), or a combination thereof, wherein the inorganic nanoparticle is substituted in a terminal substituent group of the soluble epoxy resin, and the epoxy resin is a multifunctional epoxy resin in which there are three or more epoxy groups.

Abstract translation: 的无取向电工钢板组合物中，无方向性电磁钢板产品的制造方法，和无取向电工钢板产品被提供，并且无方向性电磁钢板，组合物包括第一组合物包含可溶性 环氧树脂和SiO 2，TiO 2的，氧化锌，或它们的组合的无机纳米颗粒的，以及它们的磷酸（H 3 PO 4），氢氧化钠（NaOH），或它们的组合的无机添加剂物，worin无机纳米颗粒的被取代的 在终端取代基的可溶性的环氧树脂，和环氧树脂是多官能环氧树脂，其中有三个或更多个环氧基团。

公开(公告)号：EP2800103A1

公开(公告)日：2014-11-05

申请号：EP12862247.9

申请日：2012-11-15

Applicant: Posco

Inventor： KIM, Jung-Woo ,  KWON, Min Serk ,  CHOI, Heon-Jo

IPC: H01B3/00 ,  H01B3/02 ,  H01B3/40 ,  H01B17/62

CPC classification number: H01B3/002 ,  C08K3/00 ,  C08K3/32 ,  C08K3/36 ,  C08K2003/325 ,  C08K2003/327 ,  C08K2003/328 ,  C08K2201/011 ,  C08K2201/014 ,  C09D163/00 ,  H01B3/40 ,  Y10T428/259 ,  Y10T428/31529 ,  C08K9/08 ,  C08L63/00

Abstract: Disclosed is an insulating film composition of a non-oriented electrical steel sheet. The insulating film composition of a non-oriented electrical steel sheet according to the present invention comprises a mixed metal phosphate consisting of aluminum phosphate (Al(H 3 PO 4 ) x=1-3 ) and cobalt phosphate (Co(H 3 PO 4 ) 3 ), and an organic/inorganic composite consisting of epoxy resin and silica (SiO 2 ) nanoparticle substituted on the functional group of the epoxy resin.

Abstract translation: 本发明提供一种无方向性电磁钢板的绝缘膜的组合物。 的无取向电磁钢板雅丁到本发明的绝缘膜的组合物包含混合金属磷酸盐由铝磷酸盐的铝（Al（H 3 PO 4）X = 1-3）和磷酸钴（Co（H 3 PO 4 3）3），和有机/无机复合自由环氧树脂树脂和氧化硅的（SiO 2）的对环氧树脂的官能团的纳米颗粒substituiertem。

公开(公告)号：EP3733805A1

公开(公告)日：2020-11-04

申请号：EP18893600.9

申请日：2018-12-17

Applicant: POSCO

Inventor： KIM, Jung-Woo ,  HA, Bongwoo ,  NO, Taeyoung

IPC: C09J11/00 ,  C09J11/06 ,  C09J163/00 ,  C09J167/00 ,  C09J133/00 ,  C09J125/04 ,  C09J123/04 ,  C09J11/04 ,  B32B37/12 ,  B32B37/10

Abstract: An exemplary embodiment of the present invention provides: an adhesive coating composition enabling adherence (coupling) of an electrical steel sheet without using conventional coupling methods such as welding, clamping, and interlocking; an electrical steel sheet laminate to which the same is applied; and a method for manufacturing the same.
An adhesive coating composition for an electrical steel sheet, according to an exemplary embodiment of the present invention, includes, on the basis of 100 wt% of total solids: 15 to 70 wt% of a first composition containing an organic resin and an organic/inorganic composite in which inorganic nanoparticles are substituted for an organic resin; 20 to 80 wt% of a second composition containing a metal phosphate and phosphoric acid; and 1 to 10 wt% of a coupling agent.
The coupling agent may contain one or more of a silane-based coupling agent, a titanate-based coupling agent, and an aluminate-based coupling agent.

公开(公告)号：EP3561015A1

公开(公告)日：2019-10-30

申请号：EP17885046.7

申请日：2017-12-22

Applicant: Posco

Inventor： KIM, Jung-Woo ,  HA, Bongwoo ,  CHOI, Changhoon ,  NO, Taeyoung ,  CHOI, Heon-Jo ,  BONG, Won-Seog

IPC: C09J11/04 ,  C22C38/02 ,  B05D7/14 ,  B05D3/00 ,  C09J5/06 ,  C08K3/32

Abstract: The present invention has been made in an effort to provide an adhesive coating composition capable of adhering (fastening) a non-oriented electrical steel sheet without using a conventional fastening method such as welding, clamping, or interlocking, a non-oriented electrical steel sheet stack to which the same is applied, and a manufacturing method thereof. According to an exemplary embodiment of the present invention, an adhesive coating composition includes: 40 to 99 wt% of a first component containing a water-soluble resin; and 1 to 60 wt% of a second component containing a composite metal phosphate.