KR100733367B1 - 용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액및 이를 이용한 내식성과 절연성이 우수한 무방향성전기강판 제조 방법 - Google Patents
용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액및 이를 이용한 내식성과 절연성이 우수한 무방향성전기강판 제조 방법 Download PDFInfo
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- KR100733367B1 KR100733367B1 KR1020050126828A KR20050126828A KR100733367B1 KR 100733367 B1 KR100733367 B1 KR 100733367B1 KR 1020050126828 A KR1020050126828 A KR 1020050126828A KR 20050126828 A KR20050126828 A KR 20050126828A KR 100733367 B1 KR100733367 B1 KR 100733367B1
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- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/58—Treatment of other metallic material
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- 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
- C23C22/73—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 characterised by the process
- C23C22/76—Applying the liquid by spraying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
Abstract
Description
절연피막용액 | H2O | MgO, CaO중 1종 | CrO3 | 글리세린 | 에틸렌 글리콜 | 부틸 카비톨 | *수지 |
발명예 | 25~40 | 3~10 | 10~25 | - | - | 6.7 | 25~40 |
비교예 1 | 25~40 | 3~10 | 10~25 | - | 6.7 | - | 25~40 |
비교예 2 | 25~40 | 3~10 | 10~25 | 6.7 | - | - | 25~40 |
절연피막용액 | 용 액 물 성 | ||||
초기점도 (25℃) | pH(cPs) | 비중 | 고형분비 (중량%) | 안정성 | |
발명예 | 7.3±0.2 | 5.95±0.05 | 1.27±0.05 | 41±2 | ○ |
비교예 1 | 7.8±0.2 | 5.84±0.05 | 1.28±0.05 | 41±2 | △ |
비교예 2 | 8.2±0.2 | 5.74±0.05 | 1.29±0.05 | 41±2 | × |
절연피막용액 | 도포량 (g/㎡) | SRA전 절연치(㎃) | SRA후 밀착성(mΦ) | 색상 | 표면 조도 | 균일성 | 광택 |
발명예 | 4.85 | 293 | 10 | 초록 | ○ | ○ | ○ |
비교예 1 | 4.9 | 290 | 10 | 초록 | ○ | ○ | ○ |
비교예 2 | 5.1 | 275 | 10 | 초록 | ○ | ○ | ○ |
절연피막 용액 | H2O | MgO, CaO중 1종 | CrO3 | 부틸 카비톨 | *수지 |
비교예 1 | 25~40 | 3~10 | 10~25 | 1 | 25~40 |
비교예 2 | 25~40 | 3~10 | 10~25 | 3 | 25~40 |
발명예 1 | 25~40 | 3~10 | 10~25 | 5 | 25~40 |
발명예 2 | 25~40 | 3~10 | 10~25 | 7 | 25~40 |
발명예 3 | 25~40 | 3~10 | 10~25 | 10 | 25~40 |
빌명예 4 | 25~40 | 3~10 | 10~25 | 15 | 25~40 |
절연피막용액 | 도포량 (g/㎡) | SRA전 절연치(㎃) | SRA후 밀착성(mΦ) | 색상 | 표면 조도 | 균일성 | 광택 |
비교예 1 | 4.85 | 293 | 10 | 검정 초록 | ○ | × | △ |
비교예 2 | 4.9 | 290 | 10 | 검정 초록 | ○ | × | ○ |
발명예 1 | 5.1 | 270 | 10 | 초록 | ○ | ○ | ○ |
발명예 2 | 4.85 | 293 | 10 | 초록 | ○ | ○ | ○ |
발명예 3 | 4.9 | 290 | 10 | 초록 | ○ | ○ | ○ |
발명예 4 | 5.1 | 270 | 10 | 초록 | ○ | ○ | ○ |
Claims (2)
- 중량%로 무수 크롬산(CrO3) 10~18, 산화 마그네슘(MgO) 및 산화칼슘(CaO) 중 어느 1종 3~10, 이온수 25~40, 아크릴(Acryl)계 수지 또는 아크릴(Acryl)-스티렌(Styrene) 공중합체 수지 중 어느 1종 25~40, 및 환원제로 부틸 카비톨(Butyl Carbitol) 5~15로 이루어진 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액.
- 중량%로 무수 크롬산(CrO3) 10~18, 산화 마그네슘(MgO) 및 산화칼슘(CaO) 중 어느 1종 3~10, 이온수 25~40, 아크릴계 수지 또는 아크릴-스티렌 공중합체 수지 중 어느 1종 25~40, 및 환원제로 부틸 카비톨 5~15의 조성비로 이루어진 후막 코팅용액을 도포량이 편면당 2~8g/m2이 되도록 무방향성 전기강판의 표면에 연속적으로 도포하는 것을 특징으로 하는 내식성과 절연성이 우수한 무방향성 전기강판 제조 방법.
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KR1020050126828A KR100733367B1 (ko) | 2005-12-21 | 2005-12-21 | 용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액및 이를 이용한 내식성과 절연성이 우수한 무방향성전기강판 제조 방법 |
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KR1020050126828A KR100733367B1 (ko) | 2005-12-21 | 2005-12-21 | 용액 안정성이 우수한 무방향성 전기강판용 후막 코팅용액및 이를 이용한 내식성과 절연성이 우수한 무방향성전기강판 제조 방법 |
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KR102177040B1 (ko) * | 2018-07-30 | 2020-11-10 | 주식회사 포스코 | 전기강판용 절연 피막 조성물 및 절연 피막을 포함하는 전기강판 |
CN112739782B (zh) * | 2018-07-30 | 2022-04-26 | Posco公司 | 电工钢板用绝缘覆膜组合物和具有绝缘覆膜的电工钢板 |
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KR19990063232A (ko) * | 1997-12-19 | 1999-07-26 | 카를로스 엠. 헤르난데즈 | 무방향성 전기강을 위한 무기/유기 절연 피복 |
KR100345726B1 (ko) | 1997-10-09 | 2002-09-18 | 주식회사 포스코 | 무방향성전기강판의절연피막형성용코팅액 |
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KR100345726B1 (ko) | 1997-10-09 | 2002-09-18 | 주식회사 포스코 | 무방향성전기강판의절연피막형성용코팅액 |
KR19990063232A (ko) * | 1997-12-19 | 1999-07-26 | 카를로스 엠. 헤르난데즈 | 무방향성 전기강을 위한 무기/유기 절연 피복 |
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