KR900003409A - Insulating coating agent for oriented electrical steel sheet - Google Patents

Insulating coating agent for oriented electrical steel sheet Download PDF

Info

Publication number
KR900003409A
KR900003409A KR1019880011058A KR880011058A KR900003409A KR 900003409 A KR900003409 A KR 900003409A KR 1019880011058 A KR1019880011058 A KR 1019880011058A KR 880011058 A KR880011058 A KR 880011058A KR 900003409 A KR900003409 A KR 900003409A
Authority
KR
South Korea
Prior art keywords
steel sheet
coating agent
oriented electrical
electrical steel
insulating coating
Prior art date
Application number
KR1019880011058A
Other languages
Korean (ko)
Other versions
KR900008908B1 (en
Inventor
최규승
Original Assignee
박태준
재단법인 산업과학기술연구소
정명식
포항종합제철 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박태준, 재단법인 산업과학기술연구소, 정명식, 포항종합제철 주식회사 filed Critical 박태준
Priority to KR1019880011058A priority Critical patent/KR900008908B1/en
Publication of KR900003409A publication Critical patent/KR900003409A/en
Application granted granted Critical
Publication of KR900008908B1 publication Critical patent/KR900008908B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/33—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

내용 없음No content

Description

방향성전기강판의 절연피막용 도포제Insulating coating agent for oriented electrical steel sheet

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (1)

2.8-3.2wt% Si를 포함하는 전기강판의 그라스질 피막위에 도포되는 연산염과 크롬산 (염)으로 구성된 절연피막용 도포제에 있어서, 10-100wt%의 제1인 산아연과 제1인산마그네슘을 혼합하고 이 혼합인산염용액에 고형분을 기준으로하여 0.2-3.0wt%의 무수크롬산 및 중크롬산염을 첨가하여 조성됨을 특징으로 하는 방향성전기강판의 절연피악용 도포제.In an insulating coating agent composed of nitrate and chromic acid (salt) applied on a glass coating of an electric steel sheet containing 2.8-3.2 wt% Si, 10-100 wt% of first zinc acid and first magnesium phosphate A coating agent for insulating penetration of a grain-oriented electrical steel sheet, characterized in that the composition is mixed by adding 0.2-3.0wt% of chromic anhydride and dichromate based on solids to the mixed phosphate solution. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880011058A 1988-08-30 1988-08-30 Inmsulate coating agent for grain oriented electrical steel sheets KR900008908B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880011058A KR900008908B1 (en) 1988-08-30 1988-08-30 Inmsulate coating agent for grain oriented electrical steel sheets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880011058A KR900008908B1 (en) 1988-08-30 1988-08-30 Inmsulate coating agent for grain oriented electrical steel sheets

Publications (2)

Publication Number Publication Date
KR900003409A true KR900003409A (en) 1990-03-26
KR900008908B1 KR900008908B1 (en) 1990-12-11

Family

ID=19277253

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880011058A KR900008908B1 (en) 1988-08-30 1988-08-30 Inmsulate coating agent for grain oriented electrical steel sheets

Country Status (1)

Country Link
KR (1) KR900008908B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100745239B1 (en) * 1999-02-18 2007-08-01 메디녹스, 인크. Method for Preparation of Pharmaceutical-Grade Dithiocarbamate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105567022A (en) * 2015-12-25 2016-05-11 国网智能电网研究院 Non-toxic and environmental-protection oriented electrical steel insulating coating layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100745239B1 (en) * 1999-02-18 2007-08-01 메디녹스, 인크. Method for Preparation of Pharmaceutical-Grade Dithiocarbamate

Also Published As

Publication number Publication date
KR900008908B1 (en) 1990-12-11

Similar Documents

Publication Publication Date Title
KR850007208A (en) Weak acid bath salt composition
KR840001614A (en) Water soluble coating composition
KR910004173A (en) Alveolar Nongshim
KR830005394A (en) Metal stripping composition
KR850002590A (en) Dispersible Berlin Green Pigment
AU2850889A (en) Process for phosphating metal surfaces
CZ15599A3 (en) Colored composition containing agent formed by pyrogallol entities, ferrous salt and organic acid
KR910005944A (en) Processing method of brass-plated steel wire
GB1435454A (en) Separator agents
KR900003409A (en) Insulating coating agent for oriented electrical steel sheet
GB1218678A (en) A reagent for forming an insulating coating on the surface of electrical steel sheets
KR830006468A (en) Coating composition and preparation method thereof
ES443350A1 (en) Corrosion inhibiting coatings for steel
KR900012671A (en) Iron (Ⅱ) Composition
KR890003785A (en) Tartaric anhydride
KR920009692A (en) Stabilization method of acid and hydrogen oxide aqueous solution containing copper
KR860003321A (en) Soil Resolution Hardener Composition
KR880002194A (en) Insulation coating of oriented electrical steel sheet
KR870008952A (en) Polyacetal composition
KR900010044A (en) Electrical insulation film formation method of non-oriented electrical steel sheet
AU636343B2 (en) Novel copper and copper alloy corrosion inhibitors
KR880014129A (en) Corrosion Resistant Coating Composition
KR870005103A (en) Desulfurization agent for chartering pretreatment
KR880001792A (en) Method for manufacturing annealing separation coating agent for grain-oriented electrical steel sheet
KR830004247A (en) Method for preparing 5-amino- [3,4'-bipyridine] -6 (1H) -one-1'-oxide or acid addition salt thereof

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19980709

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee