JP4264362B2 - クロムを含まない方向性電磁鋼板用絶縁皮膜剤及びクロムを含まない絶縁皮膜を有する方向性電磁鋼板 - Google Patents
クロムを含まない方向性電磁鋼板用絶縁皮膜剤及びクロムを含まない絶縁皮膜を有する方向性電磁鋼板 Download PDFInfo
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- JP4264362B2 JP4264362B2 JP2004008345A JP2004008345A JP4264362B2 JP 4264362 B2 JP4264362 B2 JP 4264362B2 JP 2004008345 A JP2004008345 A JP 2004008345A JP 2004008345 A JP2004008345 A JP 2004008345A JP 4264362 B2 JP4264362 B2 JP 4264362B2
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Description
(1)Al,Mg,Caの中から選ばれる第一燐酸塩の1種または2種以上の合計で1モルに対し、Fe,Niの無機化合物の中から選ばれる1種又は2種を金属元素として0.06〜2.10モル含有し、前記第一燐酸塩100質量部に対し、さらにコロイダルシリカを固形分相当として35〜100質量部含有し、前記Fe,Niの無機化合物が、水酸化物であり、前記Fe,Niの水酸化物が、水溶液として安定なコロイダル物質であり、前記コロイダル物質の形態が、単独化合物コロイド、SiO2或いはAl2 O 3 との複合コロイド、あるいはこれらの混合物であり、前記コロイダル物質の粒子径が50nm以下であることを特徴とするクロムを含まない方向性電磁鋼板用絶縁皮膜剤。
(2)絶縁皮膜が、上記(1)に記載の絶縁皮膜剤を焼き付け処理して形成されたものであることを特徴とするクロムを含まない絶縁皮膜を有する方向性電磁鋼板。
Claims (2)
- Al,Mg,Caの中から選ばれる第一燐酸塩の1種または2種以上の合計で1モルに対し、Fe,Niの無機化合物の中から選ばれる1種又は2種を金属元素として0.06〜2.10モル含有し、前記第一燐酸塩100質量部に対し、さらにコロイダルシリカを固形分相当として35〜100質量部含有し、前記Fe,Niの無機化合物が、水酸化物であり、前記Fe,Niの水酸化物が、水溶液として安定なコロイダル物質であり、前記コロイダル物質の形態が、単独化合物コロイド、SiO2或いはAl2 O 3 との複合コロイド、あるいはこれらの混合物であり、前記コロイダル物質の粒子径が50nm以下であることを特徴とするクロムを含まない方向性電磁鋼板用絶縁皮膜剤。
- 絶縁皮膜が、請求項1に記載の絶縁皮膜剤を焼付け処理して形成されたものであることを特徴とするクロムを含まない絶縁皮膜を有する方向性電磁鋼板。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004008345A JP4264362B2 (ja) | 2004-01-15 | 2004-01-15 | クロムを含まない方向性電磁鋼板用絶縁皮膜剤及びクロムを含まない絶縁皮膜を有する方向性電磁鋼板 |
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| JP2004008345A JP4264362B2 (ja) | 2004-01-15 | 2004-01-15 | クロムを含まない方向性電磁鋼板用絶縁皮膜剤及びクロムを含まない絶縁皮膜を有する方向性電磁鋼板 |
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| Publication Number | Publication Date |
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| JP2005200705A JP2005200705A (ja) | 2005-07-28 |
| JP4264362B2 true JP4264362B2 (ja) | 2009-05-13 |
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| JP2004008345A Expired - Lifetime JP4264362B2 (ja) | 2004-01-15 | 2004-01-15 | クロムを含まない方向性電磁鋼板用絶縁皮膜剤及びクロムを含まない絶縁皮膜を有する方向性電磁鋼板 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007007417A1 (ja) * | 2005-07-14 | 2009-01-29 | 新日本製鐵株式会社 | クロムを含まない絶縁皮膜を有する方向性電磁鋼板及びその絶縁皮膜剤 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5008855B2 (ja) * | 2005-10-26 | 2012-08-22 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
| JP5063902B2 (ja) * | 2006-02-17 | 2012-10-31 | 新日本製鐵株式会社 | 方向性電磁鋼板とその絶縁被膜処理方法 |
| JP4983334B2 (ja) * | 2007-03-28 | 2012-07-25 | Jfeスチール株式会社 | 方向性電磁鋼板用絶縁被膜処理液および方向性電磁鋼板の製造方法 |
| KR101025008B1 (ko) * | 2007-12-26 | 2011-03-25 | 주식회사 포스코 | 무방향성 전기강판의 절연피막 형성방법 및 무방향성 전기강판 |
| JP5320898B2 (ja) * | 2008-08-08 | 2013-10-23 | 新日鐵住金株式会社 | 方向性電磁鋼板に用いる絶縁皮膜塗布液及び絶縁皮膜形成方法 |
| KR100966819B1 (ko) * | 2008-08-08 | 2010-06-29 | 주식회사 포스코 | 방향성 전기강판용 비크롬계 코팅제와 그 제조방법 및 이를이용한 전기강판과 그 제조방법 |
| KR101324260B1 (ko) | 2011-12-28 | 2013-11-01 | 주식회사 포스코 | 무방향성 전기강판의 절연 피막 조성물, 그 제조방법 및 절연 피막조성물이 적용된 무방향성 전기강판 |
| JP5978009B2 (ja) * | 2012-05-30 | 2016-08-24 | 新日鐵住金株式会社 | 絶縁被膜形成用処理液および絶縁被膜付き電磁鋼板の製造方法 |
| CN109563626B (zh) * | 2016-09-13 | 2021-04-13 | 杰富意钢铁株式会社 | 带无铬绝缘张力被膜的取向性电磁钢板及其制造方法 |
| KR102174155B1 (ko) * | 2018-09-27 | 2020-11-04 | 주식회사 포스코 | 방향성 전기강판용 소둔 분리제 조성물, 방향성 전기강판 및 방향성 전기강판의 제조방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143737A (en) * | 1978-04-28 | 1979-11-09 | Kawasaki Steel Co | Formation of chromiummfree insulating top coating for directional silicon steel plate |
| JPS5681681A (en) * | 1979-12-05 | 1981-07-03 | Nippon Steel Corp | Forming method for insulating film with superior heat resistance |
| JP2000169972A (ja) * | 1998-12-04 | 2000-06-20 | Nippon Steel Corp | クロムを含まない方向性電磁鋼板用表面処理剤及びそれを用いた方向性電磁鋼板の製造方法 |
| JP4474714B2 (ja) * | 2000-02-04 | 2010-06-09 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板の製造方法 |
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- 2004-01-15 JP JP2004008345A patent/JP4264362B2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2007007417A1 (ja) * | 2005-07-14 | 2009-01-29 | 新日本製鐵株式会社 | クロムを含まない絶縁皮膜を有する方向性電磁鋼板及びその絶縁皮膜剤 |
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| JP2005200705A (ja) | 2005-07-28 |
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