KR100817157B1 - 용액 안정성이 우수한 무방향성 전기강판용 Cr-free코팅제 제조방법 - Google Patents
용액 안정성이 우수한 무방향성 전기강판용 Cr-free코팅제 제조방법 Download PDFInfo
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- KR100817157B1 KR100817157B1 KR1020060134912A KR20060134912A KR100817157B1 KR 100817157 B1 KR100817157 B1 KR 100817157B1 KR 1020060134912 A KR1020060134912 A KR 1020060134912A KR 20060134912 A KR20060134912 A KR 20060134912A KR 100817157 B1 KR100817157 B1 KR 100817157B1
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- 229910001866 strontium hydroxide Inorganic materials 0.000 claims abstract description 18
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims abstract description 14
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- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 claims description 20
- 229910000165 zinc phosphate Inorganic materials 0.000 claims description 20
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 19
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- 230000009477 glass transition Effects 0.000 claims description 4
- IHEDBVUTTQXGSJ-UHFFFAOYSA-M 2-[bis(2-oxidoethyl)amino]ethanolate;titanium(4+);hydroxide Chemical compound [OH-].[Ti+4].[O-]CCN(CC[O-])CC[O-] IHEDBVUTTQXGSJ-UHFFFAOYSA-M 0.000 claims description 3
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- 239000010941 cobalt Substances 0.000 description 5
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- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- 239000002932 luster Substances 0.000 description 1
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- QQFLQYOOQVLGTQ-UHFFFAOYSA-L magnesium;dihydrogen phosphate Chemical compound [Mg+2].OP(O)([O-])=O.OP(O)([O-])=O QQFLQYOOQVLGTQ-UHFFFAOYSA-L 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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Abstract
Description
Claims (7)
- 제1인산알루미늄(Al(H2PO4)3과 제1인산아연(Zn(H2PO4)2)의 50:50 혼합용액에 cobalt hydroxide와 strontium hydroxide 50:50 혼합고체를 첨가한 후 10분 이상 교반하여 혼합용액1을 제조하는 제1단계와;순수(pure water) 3~10g에 알루미늄 실리케이트를 넣고 5분 이상 교반한 후 Ti계통의 킬레이트(chelate)첨가제를 추가로 혼합하고 10분이상 교반하여 혼합용액2를 제조하는 제2단계와;상기 혼합용액2와 에멀젼 수지를 배합하여 10분이상 교반한 후 혼합용액1을 투입하여 코팅제를 제조하는 제3단계로 구성되고 pH 차이에 의한 겔현상을 방지한 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제 1항에 있어서,상기 제1인산알루미늄(Al(H2PO4)3과 제1인산아연(Zn(H2PO4)2)의 50:50 혼합용액은 고형분비가 60wt%, 점도가 30~70cp인 것을 사용하는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제 2항에 있어서,상기 제1인산아연(Zn(H2PO4)2)은 2.75M, 52.5%의 고형분을 사용하는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제1항에 있어서,상기 cobalt hydroxide와 strontium hydroxide 50:50 혼합고체는 금속인산염 100g에 대하여 고체중량비로 0.5~5g 첨가되는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제1항에 있어서,상기 Ti계통 킬레이트(Chelate)첨가제는, Triethanolamine titanate, Titanium 2,2,2-nitrilotrisethanolate, Mixture organic titanate and inorganic phophrous compounds중 1종을 0.1~6.0g 첨가하는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제1항에 있어서,상기 알루미늄 실리케이트는 3~10g 첨가하는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
- 제1항에 있어서,상기 에멀젼 수지는 분자량 4~5만, Tg(유리전이온도)는 40~50℃, 고체분율은 20%인 폴리에스터, 또는 분자량 1~2만, Tg는 50~60℃, 고체분율은 20%인 에폭시수지를 상기 제1인산알루미늄과 제1인산아연 혼합용액 100g에 대하여 고형분 중량으로 30~100g 첨가하는 것을 특징으로 하는 용액 안정성이 우수한 무방향성 전기강판용 Cr-free 코팅제 제조방법.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100966819B1 (ko) | 2008-08-08 | 2010-06-29 | 주식회사 포스코 | 방향성 전기강판용 비크롬계 코팅제와 그 제조방법 및 이를이용한 전기강판과 그 제조방법 |
KR101308731B1 (ko) | 2011-11-21 | 2013-09-13 | 주식회사 포스코 | 장력부여가 우수하며 타발성 및 가공성이 우수한 비크롬계 방향성 전기강판용 장력코팅제 조성물 및 이를 이용한 절연피막 형성방법, 그 방법에 의해 형성된 절연피막을 갖는 방향성 전기강판 |
EP3396681A4 (en) * | 2015-12-22 | 2019-01-09 | Posco | INSULATED LAYER COMPOSITION FOR CORNORATED ELECTRIC STEEL PLATE, METHOD FOR PRODUCING AN INSULATING LAYER FOR CORN-ORIENTED ELECTRIC STEEL PLATE, AND CORRORATED ELECTRIC STEEL PLATE |
KR101963448B1 (ko) | 2018-06-20 | 2019-03-28 | 이의열 | 크롬프리 아연알루미늄 복합 무기질 코팅제,그 제조 방법 및 코팅 방법 |
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Cited By (6)
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KR100966819B1 (ko) | 2008-08-08 | 2010-06-29 | 주식회사 포스코 | 방향성 전기강판용 비크롬계 코팅제와 그 제조방법 및 이를이용한 전기강판과 그 제조방법 |
KR101308731B1 (ko) | 2011-11-21 | 2013-09-13 | 주식회사 포스코 | 장력부여가 우수하며 타발성 및 가공성이 우수한 비크롬계 방향성 전기강판용 장력코팅제 조성물 및 이를 이용한 절연피막 형성방법, 그 방법에 의해 형성된 절연피막을 갖는 방향성 전기강판 |
EP3396681A4 (en) * | 2015-12-22 | 2019-01-09 | Posco | INSULATED LAYER COMPOSITION FOR CORNORATED ELECTRIC STEEL PLATE, METHOD FOR PRODUCING AN INSULATING LAYER FOR CORN-ORIENTED ELECTRIC STEEL PLATE, AND CORRORATED ELECTRIC STEEL PLATE |
US11335475B2 (en) | 2015-12-22 | 2022-05-17 | Posco | Insulation film composition for grain-oriented electrical steel sheet, method for forming insulation film for grain-oriented electrical steel sheet using same, and grain-oriented electrical steel sheet |
US11848122B2 (en) | 2015-12-22 | 2023-12-19 | Posco Co., Ltd | Insulation film composition for grain-oriented electrical steel sheet, method for forming insulation film for grain-oriented electrical steel sheet using same, and grain-oriented electrical steel sheet |
KR101963448B1 (ko) | 2018-06-20 | 2019-03-28 | 이의열 | 크롬프리 아연알루미늄 복합 무기질 코팅제,그 제조 방법 및 코팅 방법 |
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