JP2010529282A - 電気鋼のための絶縁コーティング組成物 - Google Patents
電気鋼のための絶縁コーティング組成物 Download PDFInfo
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Abstract
A)少なくとも1つのバインダー樹脂5〜45重量%と、
B)1〜300nmの平均半径を有するナノスケール粒子0.1〜40、好ましくは1〜30重量%と、
C)バインダー樹脂と架橋することができる量の少なくとも1つの架橋剤、好ましくは0.1〜30重量%と、
D)少なくとも1つの添加剤および/または顔料および/または充填剤0.1〜60重量%と、
E)水および/または少なくとも1つの溶剤5〜70重量%と
を含み、重量%は組成物の全重量に基づいている。
本発明の組成物は、本発明の組成物で被覆された電気鋼板およびこれらの被覆された電気鋼板から製造されたコアの溶接、締付け、噛み合わせ、打ち抜き、リベット締め、耐高圧性、耐熱性の高い能力などの異なった技術的要求条件を組み合わせる高特性プロファイル基準を提供することができる。
Description
A)少なくとも1つのバインダー樹脂5〜45重量%と、
B)1〜300nmの平均半径を有するナノスケール粒子0.1〜40、好ましくは1〜30重量%と、
C)バインダー樹脂と架橋することができる量の少なくとも1つの架橋剤、好ましくは0.1〜30重量%と、
D)少なくとも1つの添加剤および/または顔料および/または充填剤0.1〜60重量%と、
E)水および/または少なくとも1つの溶剤5〜70重量%と
を含み、重量%は組成物の全重量に基づいている。
a)本発明のコーティング組成物を電気鋼板の少なくとも1つの面上に少なくとも1つの層として塗布する工程と、
b)塗布されたコーティングを硬化させる工程と
を含む、電気鋼板を被覆する方法を提供する。
C5電気絶縁ワニスベースの本発明によるコーティングの製造
脂肪族ポリウレタン分散体(水中の固形分34〜40重量%)をナノスケールシリカの分散体(アルカリ性水中の固形分35〜40重量%)と混合する。架橋剤(固形分35〜100重量%)、顔料、充填剤および添加剤をこの混合物に添加し、そこで溶接添加剤として0.5〜1.5ppwの被覆されたシリカゲル、腐蝕抑制剤添加剤として0〜3ppwのアミノカルボキシ化合物および0〜2ppwの脱泡剤添加剤を使用する。混合物を均一に攪拌して、異なった架橋剤を有するC5ワニスとして本発明の6つの異なったコーティング組成物を提供する。
C6電気絶縁ワニスをベースとした本発明によるコーティングの製造
製造方法は実施例1〜6に記載された製造方法と同じである。混合物を攪拌し、均一に粉砕する。
C3電気絶縁ワニスをベースとした本発明によるコーティングの製造
製造方法は実施例1〜6に記載された製造方法と同じである。
C3電気絶縁ワニスをベースとした先行技術によるコーティングの製造
48ppwのアクリル酸樹脂分散体(水と有機溶剤との混合物中の固形分41重量%)および7ppwのアルキド樹脂分散体(水と有機溶剤との混合物中の固形分68重量%)を、架橋剤として12ppwのメラミン樹脂(固形分99重量%)と一緒に混合する。1〜6ppwの添加剤(脱泡剤、湿潤剤、腐蝕抑制剤)および有機溶剤として26ppwのブチルプロピレングリコールおよび/または水を添加する。ジメチルエタノールアミンを用いて混合物のpH値を調節する。混合物を攪拌し、均一に粉砕した。
C5電気絶縁ワニスをベースとした先行技術によるコーティングの製造
21ppwのチタネート樹脂(水と有機溶剤との混合物中の固形分75重量%)および16ppwのアクリル酸樹脂(水と有機溶剤との混合物中の固形分75重量%)を無機充填剤として10ppwのケイ酸アルミニウム(固形分100重量%)および架橋剤として4ppwの金属触媒(固形分100重量%)と混合する。4ppwの添加剤(脱泡剤、湿潤剤、溶接添加剤および腐蝕抑制剤)および有機溶剤として45ppwのブチルジグリコールおよび/または水を添加する。
C6電気絶縁ワニスをベースとした先行技術によるコーティングの製造
20ppwのアルキド樹脂(水と有機溶剤との混合物中の固形分68重量%)を無機充填剤として55ppwの硫酸バリウムおよび架橋剤として5ppwのメラミン樹脂(固形分99重量%)と混合する。6ppwの添加剤(脱泡剤、触媒、湿潤剤、腐蝕抑制剤)および2ppwの顔料ならびに有機溶剤としての7ppwのブチルプロピレングリコールおよび/または水を添加する。ジメチルエタノールアミンを用いてpH値を調節する。混合物を攪拌し、均一に粉砕した。
Claims (13)
- 電気鋼板を被覆するためのコーティング組成物であって、
A)少なくとも1つのバインダー樹脂5〜45重量%と、
B)1〜300nmの平均半径を有するナノスケール粒子0.1〜40と、
C)前記バインダー樹脂と架橋することができる量の少なくとも1つの架橋剤と、
D)少なくとも1つの添加剤および/または顔料および/または充填剤0.1〜60重量%と、
E)水および/または少なくとも1つの溶剤5〜70重量%と
を含み、重量%が組成物の全重量に基づいている、コーティング組成物。 - 前記ナノスケール粒子1〜30重量%を含む、請求項1に記載のコーティング組成物。
- 前記少なくとも1つの架橋剤0.1〜30重量%を含む、請求項1または2に記載のコーティング組成物。
- ポリウレタンおよび/またはポリ(メタ)アクリレートが成分A)の前記バインダー樹脂として用いられる、請求項1〜3のいずれか一項に記載のコーティング組成物。
- 前記ナノスケール粒子が5〜60nmの範囲の平均半径を有する、請求項1〜4のいずれか一項に記載のコーティング組成物。
- 前記ナノスケール粒子がシリカ、酸化アルミニウム、酸化チタンからなる群から選択される、請求項1〜5のいずれか一項に記載のコーティング組成物。
- 溶剤が組成物の全重量に基づいて1〜10重量%の範囲において用いられる、請求項1〜6のいずれか一項に記載のコーティング組成物。
- a)請求項1に記載のコーティング組成物を電気鋼板の少なくとも1つの面上に少なくとも1つの層として塗布する工程と、
b)塗布されたコーティングを硬化させる工程と
を含む、電気鋼板を被覆する方法。 - 塗布されたコーティングが、180〜270℃の範囲のPMT(ピーク金属温度)を提供する温度において硬化される、請求項8に記載の方法。
- 請求項8の方法によって被覆された電気鋼板を積層および集成することによって電気鋼板コアを作製する方法。
- 積層および集成が溶接による、請求項10に記載の方法。
- 請求項1に記載のコーティング組成物で被覆し、かつコーティングを硬化させた電気鋼板。
- 請求項1に記載のコーティング組成物で被覆し、かつコーティングを硬化させた電気鋼板から作製された電気鋼板コア。
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US93430407P | 2007-06-12 | 2007-06-12 | |
PCT/US2008/064050 WO2008154122A1 (en) | 2007-06-12 | 2008-05-19 | Insulation coating composition for electrical steel |
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EP (1) | EP2152792A1 (ja) |
JP (1) | JP2010529282A (ja) |
KR (1) | KR20100020007A (ja) |
CN (1) | CN101848964B (ja) |
BR (1) | BRPI0810306A2 (ja) |
RU (1) | RU2010100812A (ja) |
WO (1) | WO2008154122A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170037227A (ko) * | 2015-09-25 | 2017-04-04 | 한국전기연구원 | 내마모성, 부착성, 내열성 및 내부식성을 향상시킨 절연코팅제 |
WO2018025846A1 (ja) * | 2016-08-03 | 2018-02-08 | Jfeスチール株式会社 | 絶縁被膜付き電磁鋼板およびその製造方法、ならびに絶縁被膜形成用被覆剤 |
JP2019052305A (ja) * | 2017-09-15 | 2019-04-04 | ▲くい▼甲奈米科技股▲ふん▼有限公司 | ナノゾルを含むコーティング組成物、及びその製造方法 |
WO2022139328A1 (ko) * | 2020-12-21 | 2022-06-30 | 주식회사 포스코 | 전기강판 접착 코팅 조성물, 전기강판 적층체 및 이의 제조 방법 |
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Also Published As
Publication number | Publication date |
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CN101848964B (zh) | 2014-11-12 |
EP2152792A1 (en) | 2010-02-17 |
CN101848964A (zh) | 2010-09-29 |
WO2008154122A1 (en) | 2008-12-18 |
US20080311413A1 (en) | 2008-12-18 |
BRPI0810306A2 (pt) | 2019-02-12 |
RU2010100812A (ru) | 2011-07-20 |
KR20100020007A (ko) | 2010-02-19 |
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