JP6003507B2 - 絶縁被膜付き電磁鋼板 - Google Patents
絶縁被膜付き電磁鋼板 Download PDFInfo
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- JP6003507B2 JP6003507B2 JP2012223033A JP2012223033A JP6003507B2 JP 6003507 B2 JP6003507 B2 JP 6003507B2 JP 2012223033 A JP2012223033 A JP 2012223033A JP 2012223033 A JP2012223033 A JP 2012223033A JP 6003507 B2 JP6003507 B2 JP 6003507B2
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- insulating coating
- steel sheet
- electrical steel
- insulating
- alkoxysilane
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- 238000000576 coating method Methods 0.000 title claims description 110
- 239000011248 coating agent Substances 0.000 title claims description 101
- 229910000976 Electrical steel Inorganic materials 0.000 title claims description 49
- 238000009413 insulation Methods 0.000 title claims description 10
- 125000004429 atom Chemical group 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 7
- 125000003700 epoxy group Chemical group 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000007664 blowing Methods 0.000 description 20
- 239000000843 powder Substances 0.000 description 20
- 229910000077 silane Inorganic materials 0.000 description 20
- -1 silane compound Chemical class 0.000 description 19
- 230000007797 corrosion Effects 0.000 description 18
- 238000005260 corrosion Methods 0.000 description 18
- 238000000137 annealing Methods 0.000 description 12
- 125000000524 functional group Chemical group 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 150000001845 chromium compounds Chemical class 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229910018557 Si O Inorganic materials 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 5
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 5
- 239000006087 Silane Coupling Agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 150000004756 silanes Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000298 Cellophane Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- PRKPGWQEKNEVEU-UHFFFAOYSA-N 4-methyl-n-(3-triethoxysilylpropyl)pentan-2-imine Chemical compound CCO[Si](OCC)(OCC)CCCN=C(C)CC(C)C PRKPGWQEKNEVEU-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001224 Grain-oriented electrical steel Inorganic materials 0.000 description 1
- 238000007696 Kjeldahl method Methods 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229910000565 Non-oriented electrical steel Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 125000005370 alkoxysilyl group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000001188 haloalkyl group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- INJVFBCDVXYHGQ-UHFFFAOYSA-N n'-(3-triethoxysilylpropyl)ethane-1,2-diamine Chemical compound CCO[Si](OCC)(OCC)CCCNCCN INJVFBCDVXYHGQ-UHFFFAOYSA-N 0.000 description 1
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000000371 solid-state nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
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Description
<外観>
被膜表面の外観を、以下の判定基準で目視判定した。
(判定基準)
◎:均一
○:軽度のムラがあるが、ほぼ均一
△:ムラあり
×:激しいムラまたは白濁あり
<密着性>
供試材の被膜表面に対してセロハン粘着テープを貼り、10mmΦの圧縮側となるように曲げた後にセロハン粘着テープを剥がし、被膜の残存率を下記の判定基準で目視判定した。
(判定基準)
◎:残存率 75%以上
○:残存率 50%以上、75%未満
△:残存率 25%以上、50%未満
×:残存率 25%未満
<耐食性>
端面および裏面をシールした被膜付き電磁鋼板に対して湿潤試験(50℃、相対湿度 >98%)を行い、48時間後の赤錆発生率を目視で観察し、被膜付き電磁鋼板の耐食性を、面積率を用いた下記判定基準で評価した。
(判定基準)
◎:赤錆発生面積率 20%未満
○:赤錆発生面積率 20%以上、40%未満
△:赤錆発生面積率 40%以上、60%未満
×:赤錆発生面積率 60%以上
<耐粉吹き性>
試験条件;フェルト接触面幅20mm×10mm、荷重:0.4MPa(3.8kg/cm2)、被膜表面を100回単純往復。試験後の擦り跡を目視観察し、被膜の剥離状態および粉吹き状態を下記の判定基準で評価した。
(判定基準)
◎:ほとんど擦り跡が認められない
○:若干の擦り跡および若干の粉吹きが認められる程度
△:被膜の剥離が進行し擦り跡および粉吹きがはっきりわかる程度
×:地鉄が露出するほど剥離し粉塵が甚大
Claims (3)
- 電磁鋼板の表面に、アミノ基を有するアルコキシシランと、エポキシ基を有するアルコキシシランとの硬化反応により形成される絶縁被膜を有し、
前記絶縁被膜は、SiおよびNを含み、
前記絶縁被膜中のSiとNとのモル比(N/Si)が0.30〜0.80であり、
前記絶縁被膜を95℃の熱水に10分間浸漬する浸漬試験前後における、前記絶縁被膜の質量変化率((浸漬後の絶縁被膜の質量/浸漬前の絶縁被膜の質量)×100)である固定率が50%以上であり、
前記絶縁被膜中の、Si原子1個当たりに結合している酸素原子(O)の数の平均値が2.4〜3.6である絶縁被膜付き電磁鋼板。 - 前記絶縁被膜中の全Si原子に対する、Si原子1個当たりに結合している酸素原子(O)の数が3である割合が40モル%以上である請求項1記載の絶縁被膜付き電磁鋼板。
- アミノ基を有するアルコキシシラン(A)と、エポキシ基を有するアルコキシシラン(B)とを配合してなる処理液を電磁鋼板の表面に塗布する塗布工程と、
前記電磁鋼板の表面に塗布された処理液を、最高到達鋼板温度が100〜350℃となる条件で加熱して、前記電磁鋼板の表面に絶縁被膜を形成する絶縁被膜形成工程と、を備え、
前記処理液に配合される前記(A)成分と前記(B)成分とのモル比(A/B)が0.40〜4.0である絶縁被膜付き電磁鋼板の製造方法。
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JP2014074214A JP2014074214A (ja) | 2014-04-24 |
JP6003507B2 true JP6003507B2 (ja) | 2016-10-05 |
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JP (1) | JP6003507B2 (ja) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3205169B2 (ja) * | 1994-04-13 | 2001-09-04 | 新日本製鐵株式会社 | 耐水性の優れた被膜を有した方向性電磁鋼板の製造方法 |
JP2001170557A (ja) * | 1999-12-21 | 2001-06-26 | Nisshin Steel Co Ltd | めっき鋼板用表面処理液およびその処理方法 |
JP4635347B2 (ja) * | 2001-02-05 | 2011-02-23 | Jfeスチール株式会社 | 歪取焼鈍後の磁気特性および被膜密着性に優れた電磁鋼板の製造方法 |
JP4078044B2 (ja) * | 2001-06-26 | 2008-04-23 | 日本パーカライジング株式会社 | 金属表面処理剤、金属材料の表面処理方法及び表面処理金属材料 |
JP4975999B2 (ja) * | 2004-10-26 | 2012-07-11 | 日本パーカライジング株式会社 | 金属表面処理剤、金属材料の表面処理方法及び表面処理金属材料 |
JP4969831B2 (ja) * | 2004-10-26 | 2012-07-04 | 日本パーカライジング株式会社 | 金属表面処理剤、金属材料の表面処理方法及び表面処理金属材料 |
JP2007039736A (ja) * | 2005-08-03 | 2007-02-15 | Nisshin Steel Co Ltd | 耐食性,後塗装性に優れた亜鉛系めっき鋼板 |
WO2009110364A1 (ja) * | 2008-03-04 | 2009-09-11 | 日本ペイント株式会社 | 銅の表面処理剤および表面処理方法 |
JP5555177B2 (ja) * | 2008-12-16 | 2014-07-23 | 日本パーカライジング株式会社 | 金属材料用表面処理剤 |
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 |
JP5598307B2 (ja) * | 2010-12-20 | 2014-10-01 | Jfeスチール株式会社 | 無機質絶縁被膜付き電磁鋼板 |
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