TW201311435A - 具絕緣覆膜的電磁鋼板 - Google Patents
具絕緣覆膜的電磁鋼板 Download PDFInfo
- Publication number
- TW201311435A TW201311435A TW101131348A TW101131348A TW201311435A TW 201311435 A TW201311435 A TW 201311435A TW 101131348 A TW101131348 A TW 101131348A TW 101131348 A TW101131348 A TW 101131348A TW 201311435 A TW201311435 A TW 201311435A
- Authority
- TW
- Taiwan
- Prior art keywords
- steel sheet
- electromagnetic steel
- insulating film
- film
- surface treatment
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 77
- 239000010959 steel Substances 0.000 title claims abstract description 77
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 27
- 239000011248 coating agent Substances 0.000 claims abstract description 26
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- 125000001424 substituent group Chemical group 0.000 claims abstract description 7
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 claims description 96
- 239000012756 surface treatment agent Substances 0.000 claims description 43
- 239000002245 particle Substances 0.000 claims description 30
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 28
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 28
- 239000007822 coupling agent Substances 0.000 claims description 16
- 239000000314 lubricant Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- 238000000137 annealing Methods 0.000 abstract description 24
- 150000001845 chromium compounds Chemical class 0.000 abstract description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 4
- 229910000077 silane Inorganic materials 0.000 abstract 4
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 230000007797 corrosion Effects 0.000 description 20
- 238000005260 corrosion Methods 0.000 description 20
- 229910052742 iron Inorganic materials 0.000 description 16
- 125000004432 carbon atom Chemical group C* 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- -1 vanadic acid compound Chemical class 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 description 5
- 239000008397 galvanized steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229920000298 Cellophane Polymers 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000003682 vanadium compounds Chemical class 0.000 description 3
- ANBBCZAIOXDZPV-UHFFFAOYSA-N 1,1,1-trimethoxy-2-methyldecane Chemical compound CC(C(OC)(OC)OC)CCCCCCCC ANBBCZAIOXDZPV-UHFFFAOYSA-N 0.000 description 2
- GCZWJRLXIPVNLU-UHFFFAOYSA-N 2,2-dimethoxy-3-methylundecane Chemical compound CC(C(OC)(OC)C)CCCCCCCC GCZWJRLXIPVNLU-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- DFYGYTNMHPUJBY-UHFFFAOYSA-N 4-(trimethoxymethyl)dodecane-1-thiol Chemical compound SCCCC(C(OC)(OC)OC)CCCCCCCC DFYGYTNMHPUJBY-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 2
- JSGRIFNBTXDZQU-UHFFFAOYSA-N C1(=CC=CC=C1)C(C(OC)(OC)OC)CCCCCCCC Chemical compound C1(=CC=CC=C1)C(C(OC)(OC)OC)CCCCCCCC JSGRIFNBTXDZQU-UHFFFAOYSA-N 0.000 description 2
- PZKBIVOXIFYDRI-UHFFFAOYSA-N CC(C(OCC)(OCC)OCC)CCCCCCCC Chemical compound CC(C(OCC)(OCC)OCC)CCCCCCCC PZKBIVOXIFYDRI-UHFFFAOYSA-N 0.000 description 2
- PEXBBTCNDBSFHT-UHFFFAOYSA-N NCCNCCCC(C(OC)(OC)OC)CCCCCCCC Chemical compound NCCNCCCC(C(OC)(OC)OC)CCCCCCCC PEXBBTCNDBSFHT-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 238000007611 bar coating method Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 150000003755 zirconium compounds Chemical class 0.000 description 2
- OTGGHZUEAWMAAK-UHFFFAOYSA-N (1,1-dimethoxy-1-phenyldecan-2-yl)benzene Chemical compound C1(=CC=CC=C1)C(C(OC)(OC)C1=CC=CC=C1)CCCCCCCC OTGGHZUEAWMAAK-UHFFFAOYSA-N 0.000 description 1
- WJMXTYZCTXTFJM-UHFFFAOYSA-N 1,1,1,2-tetraethoxydecane Chemical compound C(C)OC(C(OCC)(OCC)OCC)CCCCCCCC WJMXTYZCTXTFJM-UHFFFAOYSA-N 0.000 description 1
- UYZQWKKNVBJVOF-UHFFFAOYSA-N 1-decoxytetradecane Chemical compound CCCCCCCCCCCCCCOCCCCCCCCCC UYZQWKKNVBJVOF-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- MFAWEYJGIGIYFH-UHFFFAOYSA-N 2-[4-(trimethoxymethyl)dodecoxymethyl]oxirane Chemical compound C(C1CO1)OCCCC(C(OC)(OC)OC)CCCCCCCC MFAWEYJGIGIYFH-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- LBIHNTAFJVHBLJ-UHFFFAOYSA-N 3-(triethoxymethyl)undec-1-ene Chemical compound C(=C)C(C(OCC)(OCC)OCC)CCCCCCCC LBIHNTAFJVHBLJ-UHFFFAOYSA-N 0.000 description 1
- IIEWMRPKJCXTAD-UHFFFAOYSA-N 3-(trimethoxymethyl)undecane Chemical compound C(C)C(C(OC)(OC)OC)CCCCCCCC IIEWMRPKJCXTAD-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- JSAYWGHZJQCMEQ-UHFFFAOYSA-N C(C(=C)C)(=O)OCCCC(C(OC)(OC)C)CCCCCCCC Chemical compound C(C(=C)C)(=O)OCCCC(C(OC)(OC)C)CCCCCCCC JSAYWGHZJQCMEQ-UHFFFAOYSA-N 0.000 description 1
- UEYMLSDWUUKDND-UHFFFAOYSA-N C(C)C(C(OCC)(OCC)OCC)CCCCCCCC Chemical compound C(C)C(C(OCC)(OCC)OCC)CCCCCCCC UEYMLSDWUUKDND-UHFFFAOYSA-N 0.000 description 1
- GKLXZYMUWOOVDQ-UHFFFAOYSA-N C(C1CO1)OCCCC(C(OC)(OC)C)CCCCCCCC Chemical compound C(C1CO1)OCCCC(C(OC)(OC)C)CCCCCCCC GKLXZYMUWOOVDQ-UHFFFAOYSA-N 0.000 description 1
- WMAZOIVUIWQRKU-UHFFFAOYSA-N C1(=CC=CC=C1)C(C(OCC)(OCC)OCC)CCCCCCCC Chemical compound C1(=CC=CC=C1)C(C(OCC)(OCC)OCC)CCCCCCCC WMAZOIVUIWQRKU-UHFFFAOYSA-N 0.000 description 1
- BBWFBBVQVRYACB-UHFFFAOYSA-N C1(CC2C(CC1)O2)CCC(C(OCC)(OCC)OCC)CCCCCCCC Chemical compound C1(CC2C(CC1)O2)CCC(C(OCC)(OCC)OCC)CCCCCCCC BBWFBBVQVRYACB-UHFFFAOYSA-N 0.000 description 1
- LNEJJQMNHUGXDW-UHFFFAOYSA-N CC(C(OCC)(OCC)C)CCCCCCCC Chemical compound CC(C(OCC)(OCC)C)CCCCCCCC LNEJJQMNHUGXDW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920002160 Celluloid Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- XJDCHDFUMGSEHD-UHFFFAOYSA-N NCCCC(C(OC)(OC)OC)CCCCCCCC Chemical compound NCCCC(C(OC)(OC)OC)CCCCCCCC XJDCHDFUMGSEHD-UHFFFAOYSA-N 0.000 description 1
- 241000879983 Platycerium Species 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- WMGGAQVMRKLLHF-UHFFFAOYSA-N butyl prop-2-enoate ethyl 2-methylprop-2-enoate prop-2-enoic acid styrene Chemical compound C(C=C)(=O)O.C(CCC)OC(C=C)=O.C(C)OC(C(=C)C)=O.C=CC1=CC=CC=C1 WMGGAQVMRKLLHF-UHFFFAOYSA-N 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical group CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- 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
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4476—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications comprising polymerisation in situ
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/122—Inorganic polymers, e.g. silanes, polysilazanes, polysiloxanes
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1229—Composition of the substrate
- C23C18/1241—Metallic substrates
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- C—CHEMISTRY; METALLURGY
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Abstract
本發明提供一種具絕緣覆膜的電磁鋼板,其即便於絕緣覆膜中不含鉻化合物,衝壓性、覆膜密接性及退火後的覆膜特性亦優異。本發明的具絕緣覆膜的電磁鋼板的特徵在於:其具有將以下表面處理劑塗佈於電磁鋼板的至少單面上並進行乾燥而成的絕緣覆膜,上述表面處理劑以質量比(A/B)為0.05~1.0以下而含有三烷氧基矽烷及/或二烷氧基矽烷(A)與矽烷偶合劑(B),上述三烷氧基矽烷及/或二烷氧基矽烷(A)僅包含選自氫、烷基及苯基中的至少一種非反應性取代基。
Description
本發明是有關於一種具絕緣覆膜的電磁鋼板。本發明特別是有關於一種即便於絕緣覆膜中不含鉻化合物,衝壓性、覆膜密接性及退火後的覆膜特性亦優異的具絕緣覆膜的電磁鋼板。
對於馬達(motor)或變壓器等中使用的電磁鋼板的絕緣覆膜,不僅要求層間電阻,而且要求覆膜密接性、衝壓性、焊接性等各種特性。電磁鋼板被用於多種用途中,因此根據其用途而正在進行各種絕緣覆膜的開發。另外,對於電磁鋼板而言,若實施衝壓加工、剪切加工、彎曲加工等,則會由殘留應力(residual stress)導致磁氣特性劣化,故為了消除該問題,大多情況下於700℃~800℃左右的溫度下進行去除應力的退火。因此,該情況下,絕緣覆膜必須可耐受去除應力的退火(annealing to eliminate stresses)。
電磁鋼板的絕緣覆膜大致分為以下三種:(1)重視焊接性、耐熱性且可耐受去除應力的退火的無機覆膜;(2)以衝壓性、焊接性的並存為目的且可耐受去除應力的退火的含有樹脂的無機覆膜(即半有機覆膜);(3)為特殊用途而不可進行去除應力的退火的有機覆膜;作為通用品而可耐受去除應力的退火者為上述(1)、
(2)所示的含有無機成分的覆膜,該等兩者通常均含有鉻化合物。
例如,作為上述(2)的技術,於專利文獻1中記載有以下的電磁鋼板,該電磁鋼板是於電磁鋼板的表面上形成有包含矽酸鹽覆膜及含鉻酸的上層覆膜這兩層的絕緣覆膜。藉由使該兩層的絕緣覆膜的至少一者含有矽烷偶合劑,而提高與電磁鋼板的覆膜密接性等性能。
然而,如今環境意識提高,於電磁鋼板的領域中亦有需求者等期望無鉻酸鹽(chromate free)產品,該無鉻酸鹽(chromate free)產品具有不含鉻化合物的絕緣覆膜。
此處,於專利文獻2中記載有縱使對鍍鋅系鋼板亦形成不含鉻化合物的表面處理覆膜的以下技術。即,於專利文獻2中記載有一種鍍鋅系鋼板,該鍍鋅系鋼板具有將以下表面處理劑塗佈於鋼板表面上並進行乾燥而獲得的表面處理覆膜,且耐蝕性及覆膜密接性等各種性能優異,上述表面處理劑以既定比率含有水溶性鋯化合物、四烷氧基矽烷、具有環氧基的化合物、螯合劑、釩酸化合物以及含有選自由鈦、鋁及鋅所組成的組群中的至少一種以上的金屬的金屬化合物。
專利文獻1:日本專利特開平2-38582號公報
專利文獻2:日本專利特開2010-255105號公報
對於形成於電磁鋼板表面上的絕緣覆膜而言,亦與鍍
鋅系鋼板表面上的表面處理覆膜的情形同樣地期望具有高的耐蝕性及覆膜密接性。因此,本發明者等人將專利文獻2中記載的可作為形成於鍍鋅系鋼板上的表面處理覆膜而發揮高的覆膜密接性的表面處理劑塗佈於電磁鋼板表面上,並進行乾燥而形成了絕緣覆膜,上述表面處理劑含有鋯化合物、四烷氧基矽烷、具有環氧基的化合物、螯合劑、釩酸化合物以及含有選自由Ti、Al、及Zn所組成的組群中的至少一種以上的金屬的金屬化合物,且pH值為8~10。於是得知,該表面處理劑對電磁鋼板意外地無法賦予充分的耐蝕性及覆膜密接性。因此,本發明者等人進行了各種研究,結果得知,藉由使用將四烷氧基矽烷及矽烷偶合劑於水中混合所得的表面處理劑,可於電磁鋼板上獲得耐蝕性。然而明確得知,該情形時依然是覆膜密接性不充分,進而衝壓性亦變得不充分,另外亦無法充分獲得作為電磁鋼板特有的特性的退火後的覆膜特性(具體而言為低鐵損)。
因此,鑒於上述課題,本發明的目的在於提供一種具絕緣覆膜的電磁鋼板,其即便於絕緣覆膜中不含鉻化合物,衝壓性、覆膜密接性及退火後的覆膜特性亦優異。
本發明者等人為了達成該目的而進行了進一步研究,結果發現,藉由使用三烷氧基矽烷及/或二烷氧基矽烷而非四烷氧基矽烷來作為用以於電磁鋼板上形成絕緣覆膜的表面處理劑的成分,並將其與矽烷偶合劑併用,且使矽烷偶
合劑為主成分,可達成上述目的,從而完成了本發明。
本發明是根據此種見解而成,其主旨構成如下。
(1)一種具絕緣覆膜的電磁鋼板,其特徵在於:其具有將以下表面處理劑塗佈於電磁鋼板的至少單面上並進行乾燥而成的絕緣覆膜,上述表面處理劑以質量比(A/B)為0.05~1.0以下而含有三烷氧基矽烷及/或二烷氧基矽烷(A)與矽烷偶合劑(B),上述三烷氧基矽烷及/或二烷氧基矽烷(A)僅包含選自氫、烷基及苯基中的至少一種非反應性取代基。
(2)如上述(1)所記載之具絕緣覆膜的電磁鋼板,其中相對於上述表面處理劑的總固體成分,上述表面處理劑含有2質量%~30質量%的板狀二氧化矽(C),上述板狀二氧化矽(C)的平均粒徑為0.08 μm~0.9 μm且縱橫比為10~100。
(3)如上述(2)所記載之具絕緣覆膜的電磁鋼板,其中上述板狀二氧化矽(C)的平均粒徑為0.1 μm~0.3 μm且縱橫比為10~50。
(4)如上述(1)至(3)中任一項所記載之具絕緣覆膜的電磁鋼板,其中相對於上述表面處理劑的總固體成分,上述表面處理劑含有0.5質量%~30質量%的潤滑劑(D)。
根據本發明,藉由使用三烷氧基矽烷及/或二烷氧基矽烷作為應用於電磁鋼板的表面處理劑的成分,並將其與矽
烷偶合劑併用,且使矽烷偶合劑為主成分,可提供一種具絕緣覆膜的電磁鋼板,該具絕緣覆膜的電磁鋼板即便於絕緣覆膜中不含鉻化合物,衝壓性、覆膜密接性及作為電磁鋼板特有的特性的退火後的覆膜特性亦優異。
以下,對本發明加以具體說明。
於本發明中,作為原材料的電磁鋼板並無特別限制,先前以來公知者均適合。即,磁通密度高的所謂軟鐵板(電鐵板)或冷軋碳素薄鋼板(Steel Plate Cold Couimerical,SPCC)等通常的冷軋鋼板、另外為了提高電阻率而含有Si或Al的無方向性電磁鋼板等均有利地適合。
本發明中所用的表面處理劑含有三烷氧基矽烷及/或二烷氧基矽烷(A)、矽烷偶合劑(B)及水,上述三烷氧基矽烷及/或二烷氧基矽烷(A)的鍵結於Si的取代基僅包含選自氫、烷基及苯基中的至少一種非反應性取代基。
三烷氧基矽烷的種類並無特別限定,是以通式R1Si(OR')3所表示,可使用該等的一種以上。R1為選自氫、烷基及苯基中的非反應性取代基。於R1為烷基的情形時,較佳為碳數為1~6的直鏈或分支的烷基,更佳為碳數為1~3的直鏈或分支的烷基。R'為烷基,較佳為碳數為1~4的直鏈或分支的烷基,更佳為碳數為1~2的直鏈或分支的烷基。例如可使用甲基三甲氧基矽烷、乙基三甲氧基矽烷、
甲基三乙氧基矽烷、乙基三乙氧基矽烷、苯基三乙氧基矽烷、苯基三甲氧基矽烷及該等的水解物等。其中,就電磁鋼板的耐蝕性及衝壓性更優異的觀點而言,較佳為R1為烷基的三烷氧基矽烷。
二烷氧基矽烷的種類並無特別限定,是以通式R2R3Si(OR")2所表示,可使用該等的一種以上。此處,R2及R3為選自氫、烷基及苯基中的非反應性取代基,較佳為碳數為1~6的直鏈或分支的烷基,更佳為碳數為1~3的直鏈或分支的烷基。R"為烷基,較佳為碳數為1~4的直鏈或分支的烷基,更佳為碳數為1~2的直鏈或分支的烷基。例如可使用二甲基二甲氧基矽烷、二甲基二乙氧基矽烷、二苯基二甲氧基矽烷及該等的水解物等。其中,就電磁鋼板的耐蝕性及衝壓性更優異的觀點而言,較佳為R2及R3為烷基的二烷氧基矽烷。
矽烷偶合劑(B)的種類並無特別限定,是以通式XSi(R4)n(OR)3-n(此處,n的範圍為0~2)所表示,可同時使用該等的一種以上。X為選自含有活性氫的胺基、環氧基、巰基及甲基丙烯醯氧基中的至少一種反應性官能基。R4為烷基,較佳為碳數為1~4的直鏈或分支的烷基,更佳為碳數為1~2的直鏈或分支的烷基。OR為任意的水解性基,R例如為烷基,較佳為碳數為1~4的直鏈或分支的烷基,更佳為碳數為1~2的直鏈或分支的烷基。另外,R例如為醯基(-COR5),R5較佳為碳數為1~4的直鏈或分支的烷基,更佳為碳數為1~2的直鏈或分支的烷基。矽
烷偶合劑(B)例如可使用:N-(胺基乙基)3-胺基丙基三甲氧基矽烷、3-胺基丙基三甲氧基矽烷、3-縮水甘油氧基丙基三甲氧基矽烷、3-縮水甘油氧基丙基甲基二甲氧基矽烷、2-(3,4-環氧環己基)乙基三乙氧基矽烷、乙烯基三乙氧基矽烷、3-巰基丙基三甲氧基矽烷及該等的水解物等。其中,就電磁鋼板的耐蝕性及衝壓性更優異的觀點而言,較佳為具有胺基或環氧基的矽烷偶合劑。
本發明中所用的表面處理劑的特徵在於含有三烷氧基矽烷及/或二烷氧基矽烷(A)而非四烷氧基矽烷。如上文所述,於應用於電磁鋼板的表面處理劑中含有四烷氧基矽烷的情形時,無法獲得充分的覆膜密接性,另外退火後的鐵損劣化大,退火後亦無法獲得充分的覆膜特性。然而,利用含有三烷氧基矽烷及/或二烷氧基矽烷(A)的表面處理劑形成絕緣覆膜,結果意外地可獲得與電磁鋼板的表面的充分的覆膜密接性,進而亦可進一步抑制去除應力的退火後的鐵損的劣化。
另外,於使用專利文獻2中揭示的表面處理劑的情形時,於電磁鋼板上耐蝕性及覆膜密接性不足的原因一般推測如下。可知於鍍鋅系鋼板上,特別是於鋅與覆膜的界面處釩酸化合物濃化,一般推測由酸導致鋅溶解,於界面上形成反應產物。另一方面,一般認為於電磁鋼板中,鋼板的表面形成有Si或Al的氧化膜,故不發生與釩酸化合物的反應,覆膜中過剩地殘存釩酸化合物,故無法賦予耐蝕性。對於電磁鋼板,考慮到進一步利用提高反應性的化學
液將二氧化矽或氧化鋁等氧化膜去除,藉此提高耐蝕性的方法,但會發生氧化膜的不均勻去除或由氧化膜下的鐵的過剩溶解導致的鏽的產生等。因此進行了各種研究,結果得知,藉由在使表面的氧化膜殘存的狀態下直接利用本發明中所用的表面處理劑形成絕緣覆膜,可獲得良好的耐蝕性。
本發明中所用的表面處理劑的另一特徵在於:將三烷氧基矽烷及/或二烷氧基矽烷(A)與矽烷偶合劑(B)的質量比(A/B)設定為0.05~1.0的範圍。於質量比超過1.0的情形時,矽烷偶合劑(B)的量不充分,無法充分獲得絕緣覆膜的強韌性。結果無法獲得充分的衝壓性,另外容易產生耐張力墊(tension pad)性的劣化或操作(handling)時的損傷或覆膜剝離等。如此,本發明中藉由不僅使用三烷氧基矽烷及/或二烷氧基矽烷(A),而且進一步將矽烷偶合劑(B)設定為主成分,可明顯提高衝壓性及耐張力墊性。另外,於質量比小於0.05的情形時,鎢極氬弧(Tungsten Inert Gas,TIG)焊接性降低。就此種觀點而言,質量比(A/B)是設定為0.05~1.0的範圍,更佳的質量比為0.1~0.5的範圍。
本發明中所用的表面處理劑中亦可含有板狀二氧化矽(C)。該板狀二氧化矽亦被稱為葉狀二氧化矽或鱗片狀二氧化矽,具有將多個SiO2的薄層積層而成的層狀矽酸結構。而且,該板狀二氧化矽較佳為具有非晶性或微晶性。板狀二氧化矽可藉由以下方式獲得:製作薄層的一次粒子
積層而成的凝聚粒子,並將該凝聚粒子粉碎。此種板狀二氧化矽由於採用層狀的形態,故與通常的二氧化矽粒子例如膠體二氧化矽等相比較下,腐蝕物質透過抑制性優異,進而由於羥基多故密接性優異,且由於為軟質故滑動性優異。另外已知,通常膠體二氧化矽等無機成分對衝壓性造成不良影響,但板狀二氧化矽不易使衝壓性劣化。推測其原因在於:板狀二氧化矽是由薄層的SiO2所形成,故衝壓時於層間容易滑動而容易變形。而且,可提高TIG焊接性,其原因在於:表面處理劑的無機成分率增加而TIG焊接中氣化的成分的比例減少;另外,覆膜密接性提高而順著鋼板表面凹凸而形成覆膜,故於板與板之間出現間隙,確保經氣化的氣體的散逸路徑。進而,於塗佈含有板狀二氧化矽的表面處理劑的情形時,於塗佈量容易變少的鋼板表面凸部上亦殘留表面處理劑,可順著鋼板表面的凹凸而塗佈均勻的表面處理劑,故於退火後絕緣覆膜的膜厚亦變均勻,即便由於退火而有機系成分分解消失,耐蝕性亦不會變差,另外,沒有由電磁鋼板間的絕緣不良導致的退火後的鐵損的劣化的可能性。
板狀二氧化矽(C)較佳為平均粒徑為0.08 μm~0.9 μm且縱橫比為10~100的範圍,更佳為將平均粒徑設定為0.1 μm~0.5 μm左右且將縱橫比設定為20~90。於板狀二氧化矽(C)的粒徑為0.08 μm以上且縱橫比為10以上的情形時,有形成覆膜形態的效果,覆膜的均勻化變充分而黏著性及TIG焊接性不會變差。另外,於板狀二氧化矽(C)
的粒徑為0.9 μm以下且縱橫比為100以下的情形時,三烷氧基矽烷及/或二烷氧基矽烷(A)與矽烷偶合劑(B)於覆膜中的摻入變充分,耐張力墊性變充分。此處所謂「耐張力墊性」,是指為了進行線圈(coil)的開縫(slit)等,而以用於按壓板的毛氈狀的張力墊摩擦表面時的覆膜的不易剝離程度。
板狀二氧化矽(C)若平均粒徑為0.1 μm~0.3 μm且縱橫比為10~50,則衝壓性優異而更佳。若平均粒徑為0.1 μm以上,則由衝壓引起的板狀二氧化矽的粉碎所致的粉的產生不多,不會污染模具,故衝壓性優異。另外,雖然存在板狀二氧化矽的平均粒徑越大則衝壓時的模具磨損越變多的傾向,但若平均粒徑為0.3 μm以下,則模具磨損不成問題,衝壓性優異。進而,若縱橫比為10~50,則如上所述般於衝壓時容易變形,衝壓性特別優異。另外,若縱橫比為50以下,則可進一步順著鋼板表面的凹凸而形成均勻的覆膜,故耐蝕性及退火後的鐵損亦優異。
於本說明書中,所謂板狀二氧化矽的「平均粒徑」,是指利用掃描式電子顯微鏡(Scanning Electron Microscope,SEM)進行觀察時,對板狀二氧化矽的垂直於厚度之面中的長徑於視野中的多個粒子間求平均所得的長度。
另外,於本說明書中,所謂板狀二氧化矽的「縱橫比」,是指利用SEM觀察時,對視野中的10個粒子,將關於各粒子的板狀二氧化矽的垂直於厚度之面中的長徑/最大厚度之比的值加以平均所得的值。
相對於表面處理劑的總固體成分,板狀二氧化矽(C)的含量較佳為設定為2質量%~30質量%的範圍,更佳為20質量%以下。若為2質量%以上,則可獲得黏著性及TIG焊接性優異的電磁鋼板,若為30質量%以下,則耐蝕性及耐張力墊性不會降低。
進而,於本發明中所使用的表面處理劑中,為了提高衝壓性及耐張力墊性,可添加潤滑劑(D)。潤滑劑(D)可列舉:聚乙烯蠟、氧化聚乙烯蠟、氧化聚丙烯蠟、巴西棕櫚蠟(carnauba wax)、石蠟(paraffin wax)、褐煤蠟(montan wax)、米糠蠟(rice wax)、鐵氟龍(Teflon,註冊商標)蠟、二硫化碳、石墨等固體潤滑劑。另外,潤滑劑(D)亦可使用非離子性丙烯酸樹脂。非離子性丙烯酸樹脂例如可列舉:於在結構上具有聚環氧乙烷或聚環氧丙烷的非離子系界面活性劑(乳化劑)的存在下,將丙烯酸、甲基丙烯酸、丙烯酸酯、甲基丙烯酸酯、苯乙烯等乙烯系單體於水中乳化聚合所得的水系乳液等經非離子性乳化劑乳化的丙烯酸樹脂。可自該些固體潤滑劑中使用一種或兩種以上。
相對於表面處理劑的總固體成分,本發明中使用的潤滑劑(D)的含量較佳為設定為0.5質量%~30質量%,更佳為2質量%~15質量%。於潤滑劑(D)的含量為0.5質量%以上的情形時,可充分實現衝壓性及耐張力墊性的提高,於潤滑劑(D)的含量為30質量%以下的情形時,TIG焊接性不會降低。
表面處理劑是藉由將上述成分於脫離子水、蒸餾水等水中混合而獲得。表面處理液的固體成分比例只要適宜選擇即可。另外,於表面處理劑中,視需要亦可添加醇、酮、溶纖劑(cellosolve)系的水溶性溶劑、界面活性劑、消泡劑、整平劑(leveling agent)、pH調整劑、防菌防黴劑等。通過添加該些物質,表面處理劑的乾燥性、塗佈外觀、作業性、創意性提高。然而,該些物質重要的是以不損及本發明中獲得的品質的程度添加,添加量即便多,亦相對於表面處理液的總固體成分而小於5質量%。
如上文所述,於本發明中,藉由在電磁鋼板的表面上塗佈表面處理劑並進行加熱乾燥而形成絕緣覆膜。將表面處理劑塗佈於電磁鋼板上的方法可列舉輥塗法、棒塗法、浸漬法、噴射塗佈法等,根據要處理的電磁鋼板的形狀等而適宜選擇最適的方法。更具體而言,例如若電磁鋼板為片材(sheet)狀,則可選擇輥塗法、棒塗法或噴射塗佈法。噴射塗佈法為對電磁鋼板噴射表面處理劑,並進行輥擠壓或於高壓下噴附氣體來調整塗佈量的方法。若為將電磁鋼板設定為成型品的情形,則選擇以下方法:浸漬於表面處理液中並提起,視情形不同而利用壓縮空氣將多餘的表面處理劑吹去而調整塗佈量。
對塗佈於電磁鋼板的表面上的表面處理劑進行加熱乾燥時的加熱溫度(最高到達板溫)通常為80℃~350℃,更佳為100℃~300℃。若加熱溫度為80℃以上,則覆膜中不殘存作為主溶劑的水分,另外若加熱溫度為350℃以
下,則可抑制覆膜產生龜裂,故不會產生電磁鋼板的耐蝕性降低等問題。另外,加熱時間是根據所使用的電磁鋼板的種類等而適宜選擇最適的條件。再者,就生產性等觀點而言,較佳為0.1秒~60秒,更佳為1秒~30秒。
另外,具絕緣覆膜的電磁鋼板可實施去除應力的退火而去除例如由衝壓加工導致的應力。較佳的去除應力的退火環境可應用N2環境、DX氣體環境等不易將鐵氧化的環境。此處,藉由提高露點,例如將Dp設定為5℃~60℃左右而使表面及切斷端面稍許氧化,可進一步提高耐蝕性。另外,較佳的去除應力的退火溫度為700℃~900℃,更佳為700℃~800℃。去除應力的退火溫度的保持時間越長越佳,例如設定為2小時以上。
電磁鋼板的覆膜附著量並無特別限定,較佳為於各單面設定為0.05 g/m2~5 g/m2左右。附著量、即本發明的絕緣覆膜的總固體成分質量可根據藉由鹼剝離去除覆膜後的重量減少來測定。另外,於附著量少的情形時,可根據校準曲線來測定,上述校準曲線是利用螢光X射線分析對藉由鹼剝離法測定的附著量已知的標準試樣進行測定而獲得。若附著量為0.05 g/m2以上,則可滿足耐蝕性並且可滿足絕緣性,另一方面,若為5 g/m2以下,則不僅覆膜密接性提高,而且塗敷燒製時不產生膨脹而不會導致塗敷性降低。更佳為0.1 g/m2~3.0 g/m2。絕緣覆膜較佳為形成於鋼板的兩面上,但視目的不同而亦可僅形成於單面上,另一面亦可構成為其他絕緣覆膜。
以下,使用實例對本發明進行更詳細說明,但本發明不受以下實例的任何限定。
使用板厚為0.5 mm的電磁鋼板[A230(JIS C 2552(2000))]作為試驗材料。
將各成分以表1所示的組成(質量比)於水中混合,獲得表面處理劑。
於連續退火線中進行用以獲得既定材質的退火後,於鋼板經冷卻的階段中利用輥塗機塗敷而添附表面處理劑,利用烘箱以最高到達板溫成為140℃的方式進行乾燥,於兩面上形成覆膜附著量為600 mg/m2的絕緣覆膜。輥塗機條件是設定為三輥、全反向(full reverse)方式。再者,乾燥溫度表示試驗板表面的到達溫度。
其次,對表1中使用的化合物加以說明。
A1:甲基三甲氧基矽烷
A2:甲基三乙氧基矽烷
A3:二甲基二甲氧基矽烷
A4:苯基三甲氧基矽烷
A5:四甲氧基矽烷(比較例)
A6:四乙氧基矽烷(比較例)
B1:3-縮水甘油氧基丙基三甲氧基矽烷
B2:N-(2-胺基乙基)-3-胺基丙基三甲氧基矽烷
B3:3-甲基丙烯醯氧基丙基甲基二甲氧基矽烷
B4:3-巰基丙基三甲氧基矽烷
C1:平均粒徑為0.2 μm、縱橫比為20
C2:平均粒徑為0.1 μm、縱橫比為10
C3:平均粒徑為0.5 μm、縱橫比為50
C4:平均粒徑為1.0 μm、縱橫比為50
C5:平均粒徑為0.08 μm、縱橫比為10
C6:平均粒徑為0.1 μm、縱橫比為20
C7:平均粒徑為0.15 μm、縱橫比為20
C8:平均粒徑為0.3 μm、縱橫比為30
C9:平均粒徑為0.3 μm、縱橫比為50
C10:平均粒徑為0.3 μm、縱橫比為80
C11:平均粒徑為0.5 μm、縱橫比為30
D1:聚乙烯蠟(Chemipearl 900)
D2:苯乙烯-甲基丙烯酸乙酯-丙烯酸正丁酯-丙烯酸共聚物
使用直徑為5 mm的圓棒將貼附有賽璐玢
(Cellophane)膠帶的鋼板以被試驗面成為壓縮側的方式進行180°彎曲後,剝離賽璐玢(Cellophane)膠帶並對覆膜剝離量進行螢光X射線測定。對180°彎曲前的覆膜及經剝離的賽璐玢(Cellophane)膠帶的Si的螢光X射線強度進行測定,對附著於賽璐玢(Cellophane)膠帶的Si強度相對於180°彎曲前的覆膜的Si強度之比例進行評價。
◎:未剝離
○:超過0%且為10%以下
△:超過10%且為20%以下
×:超過20%
使用15 mmφ鋼模具對試驗材進行衝壓,直至毛刺高度(burr height)達到50 μm為止,以其衝壓數進行評價。
◎:120萬次以上
○:100萬次以上且小於120萬次
○-:70萬次以上且小於100萬次
△:30萬次以上且小於70萬次
×:小於30萬次
將經衝壓為50 mm×300 mm的試驗材積層5片,於藉由螺栓緊固並以9.8 MPa(100 Kgf/cm2)的壓力將中央的50 mm×50 mm部分擰緊的狀態下,於N2環境中於750℃
下保持2小時後,冷卻至常溫為止。對此時的鐵損及將5片積層而成的鋼板拆開並再次積層時的鐵損(W15/50)進行測定,以其差(退火後的鐵損-拆開後的鐵損)進行評價。
鐵損差
◎:0.5 W/Kg以下
○:0.5 W/Kg~1.2 W/Kg
△:1.2 W/Kg~2.0 W/Kg
×:2.0 W/Kg以上
以9.8 MPa(100 kgf/cm2)的壓力將試驗材以成為30 mm的厚度的方式積層,對其端面部(長度為30 mm)於以下條件下實施TIG焊接。
‧ 焊接電流:120A
‧ Ar氣流量:6 L/min
‧ 焊接速度:10 cm/min、20 cm/min、30 cm/min、40 cm/min、50 cm/min、60 cm/min、70 cm/min、80 cm/min、90 cm/min、100 cm/min
以相對於1個焊珠(bead)而氣孔(blow hole)的個數滿足5個以下的焊接速度的大小來判定優劣。
◎:60 cm/min以上
○:40 cm/min以上且小於60 cm/min
△:20 cm/min以上且小於40 cm/min
×:小於20 cm/min
將經衝壓為50 mm×50 mm的試驗材2片重合,載置200 g的砝碼並於50℃、相對濕度80%的恆溫恆濕槽中放置2週。以目測來測定經重合的2面的平均的鏽產生面積率。
◎:0%
○:超過0%~小於2%
△:2%以上~小於5%
×:5%以上
使用面積為10 mm×10 mm的張力墊,利用太平理化工業(股)製造的摩擦試驗機施加24.5 N(2.5 kgf)的荷重並對絕緣覆膜表面往返摩擦100次。對經摩擦的部分及其附近的附著量進行測定,算出往返100次後的絕緣覆膜殘存率。附著量是測定Si的螢光X射線強度,根據藉由附著量已知的標準板所得的校準曲線而求出。
◎:90%以上
○:80%以上~小於90%
△:60%以上~小於80%
×:小於60%
關於使用實例及比較例中記載的表面處理劑所得的具
絕緣覆膜的電磁鋼板,進行上述評價,將所得的結果示於表1-1~表1-4中。
實例的結果得知,如表1所示,本發明的具絕緣覆膜的電磁鋼板的衝壓性、覆膜密接性、退火後的覆膜特性(鐵損)、TIG焊接性、耐蝕性、耐張力墊性全部優異。
根據本發明,可提供一種具絕緣覆膜的電磁鋼板,該具絕緣覆膜的電磁鋼板即便於絕緣覆膜中不含鉻化合物,衝壓性、覆膜密接性及作為電磁鋼板特有的特性的退火後的覆膜特性亦優異。
Claims (4)
- 一種具絕緣覆膜的電磁鋼板,其特徵在於:其具有將以下表面處理劑塗佈於電磁鋼板的至少單面上並進行乾燥而成的絕緣覆膜,上述表面處理劑以質量比(A/B)為0.05~1.0以下而含有三烷氧基矽烷及/或二烷氧基矽烷(A)與矽烷偶合劑(B),上述三烷氧基矽烷及/或二烷氧基矽烷(A)僅包含選自氫、烷基及苯基中的至少一種非反應性取代基。
- 如申請專利範圍第1項所述之具絕緣覆膜的電磁鋼板,其中相對於上述表面處理劑的總固體成分,上述表面處理劑含有2質量%~30質量%的板狀二氧化矽(C),上述板狀二氧化矽(C)的平均粒徑為0.08 μm~0.9 μm且縱橫比為10~100。
- 如申請專利範圍第2項所述之具絕緣覆膜的電磁鋼板,其中上述板狀二氧化矽(C)的平均粒徑為0.1 μm~0.3 μm且縱橫比為10~50。
- 如申請專利範圍第1項至第3項中任一項所述之具絕緣覆膜的電磁鋼板,其中相對於上述表面處理劑的總固體成分,上述表面處理劑含有0.5質量%~30質量%的潤滑劑(D)。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI771772B (zh) * | 2019-10-21 | 2022-07-21 | 日商Jfe鋼鐵股份有限公司 | 附絕緣被膜之電磁鋼板 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9403993B2 (en) * | 2013-03-15 | 2016-08-02 | Vanchem Performance Chemicals | Silane containing coatings |
JP5967134B2 (ja) * | 2013-05-23 | 2016-08-10 | Jfeスチール株式会社 | 電磁鋼板用表面処理液、絶縁被膜付き電磁鋼板およびその製造方法 |
JP6315750B2 (ja) * | 2013-06-10 | 2018-04-25 | 関西ペイント株式会社 | 水性金属表面処理剤 |
JP5987790B2 (ja) * | 2013-06-27 | 2016-09-07 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板及びその製造方法 |
WO2015079633A1 (ja) * | 2013-11-28 | 2015-06-04 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
JP2016030777A (ja) * | 2014-07-28 | 2016-03-07 | 奥野製薬工業株式会社 | シリカ質皮膜形成用処理液 |
EP3035351B1 (en) * | 2014-12-15 | 2019-02-20 | ABB Schweiz AG | Method of manufacturing an amorphous magnetic core and amorphous magnetic core |
EP3495430A1 (de) | 2017-12-07 | 2019-06-12 | Henkel AG & Co. KGaA | Chrom- und phosphatfreie beschichtung zur elektrischen isolierung von elektroband |
JP7139676B2 (ja) * | 2018-04-27 | 2022-09-21 | トヨタ自動車株式会社 | 電磁鋼板 |
JP7291203B2 (ja) * | 2018-07-30 | 2023-06-14 | ポスコ カンパニー リミテッド | 電磁鋼板、電磁鋼板用絶縁被膜組成物および電磁鋼板の製造方法 |
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 |
CN109054560A (zh) * | 2018-08-07 | 2018-12-21 | 常州工程职业技术学院 | 一种电工钢用绝缘涂料 |
JP7040507B2 (ja) * | 2019-10-21 | 2022-03-23 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
JP7040508B2 (ja) * | 2019-10-21 | 2022-03-23 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板 |
DE102019134136B3 (de) * | 2019-12-12 | 2021-04-29 | Voestalpine Stahl Gmbh | Verfahren zur herstellung von beschichteten elektrobändern und beschichtetes elektroband |
JP7383855B2 (ja) * | 2021-12-28 | 2023-11-21 | 株式会社九州ハイテック | 無機質ガラスコーティング剤 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6279274A (ja) * | 1985-10-03 | 1987-04-11 | Yoshio Ichikawa | コ−テイング用組成物 |
JPH0238582A (ja) | 1988-07-28 | 1990-02-07 | Kobe Steel Ltd | 絶縁皮膜の形成された電磁鋼板 |
US5051129A (en) * | 1990-06-25 | 1991-09-24 | Dow Corning Corporation | Masonry water repellent composition |
JPH07230908A (ja) * | 1993-12-21 | 1995-08-29 | Kobe Steel Ltd | 絶縁皮膜を有する電磁鋼板及びその製造方法 |
JPH09323066A (ja) * | 1996-06-07 | 1997-12-16 | Kawasaki Steel Corp | 歪取り焼鈍が可能で耐蝕性、耐溶剤性に優れる絶縁被膜付き電磁鋼板ならびにその絶縁被膜の形成方法 |
CN1102670C (zh) * | 1999-06-16 | 2003-03-05 | 住友金属工业株式会社 | 无方向性电磁钢片及其制造方法 |
WO2003031681A1 (fr) * | 2001-10-05 | 2003-04-17 | Nippon Steel Corporation | Noyau de fer presentant un excellent pouvoir isolant place en extremite, et procede d'application d'un revetement sur une extremite d'un noyau de fer |
JP2003253462A (ja) * | 2002-03-07 | 2003-09-10 | Kansai Paint Co Ltd | 鋼板用表面処理組成物 |
US8037264B2 (en) * | 2003-01-21 | 2011-10-11 | Dell Products, L.P. | Distributed snapshot process |
DE102004049413A1 (de) * | 2004-10-08 | 2006-04-13 | Volkswagen Ag | Verfahren zur Beschichtung von metallischen Oberflächen |
TR201906343T4 (tr) * | 2004-11-10 | 2019-05-21 | Chemetall Gmbh | Metalik yüzeylerin sulu bir silan/silanol/siloksan/polisiloksan bazlı bileşim ile kaplanmasına yönelik yöntem. |
DE102005005334A1 (de) * | 2005-01-28 | 2006-08-10 | Blanco Gmbh + Co Kg | Beschichtetes Metall-Substrat |
EP2064803A1 (en) * | 2006-09-11 | 2009-06-03 | Wind Concepts Limited | An alternator |
TWI418603B (zh) * | 2007-03-16 | 2013-12-11 | Mitsubishi Gas Chemical Co | 光穿透型電磁波屏蔽積層體及其製造方法、光穿透型電波吸收體,以及接著劑組成物 |
PL2240628T3 (pl) * | 2007-12-27 | 2014-08-29 | Posco | Blacha stalowa powlekana żywicą i jej zastosowanie w panelu wyświetlacza |
US20100015339A1 (en) * | 2008-03-07 | 2010-01-21 | Evonik Degussa Gmbh | Silane-containing corrosion protection coatings |
DE102008039326A1 (de) * | 2008-08-22 | 2010-02-25 | IWT Stiftung Institut für Werkstofftechnik | Verfahren zum elektrischen Isolieren von Elektroblech, elektrisch isoliertes Elektroblech, lamellierter magnetischer Kern mit dem Elektroblech und Verfahren zum Herstellen eines lamellierten magnetischen Kerns |
JP5663915B2 (ja) | 2009-03-31 | 2015-02-04 | Jfeスチール株式会社 | 亜鉛系めっき鋼板 |
JP5640352B2 (ja) * | 2009-11-05 | 2014-12-17 | Jfeスチール株式会社 | 半有機絶縁被膜付き電磁鋼板 |
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Cited By (1)
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