JP2005154902A - ニッケルおよびクロム(vi)を含有しない金属皮膜を析出する方法 - Google Patents
ニッケルおよびクロム(vi)を含有しない金属皮膜を析出する方法 Download PDFInfo
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Abstract
【解決手段】 基体に第1の無光沢金属皮膜を被覆し、つや消し処理した表面を有する被覆基体を得るために、第1の金属皮膜の無光沢効果を受け継ぐ第2の金属皮膜で第1の無光沢金属皮膜を金属化する。第1の無光沢金属皮膜がニッケルを含有せず、第2の金属皮膜がニッケルおよびクロム(VI)を含有せず、第1の無光沢金属皮膜を作製するための金属が、銅、銀、スズ、亜鉛、またはニッケルを含有していない合金中の少なくとも1つの金属であり、第2の金属皮膜を作製するための金属が、銅、スズ、亜鉛、クロム(III)、銀
、金、ルテニウム、プラチナ、パラジウムまたはこれらの合金の少なくとも1つの金属である。
【選択図】 なし
Description
無光沢金属皮膜は、極めて種々の分野で機能的または装飾的な表面改質の目的で使用される。たとえば装身具製造の分野では、美観上の理由から表面に適当な無光沢皮膜を被覆する。家庭用品や調理器具・装置の分野でも、装飾上の理由から表面にしばしば無光沢皮膜を形成する。
しかしながらつや消し処理した表面は美観上の効果が大きいために、上記の分野ではそのような表面が広く用いられている。
a)基体に第1の無光沢金属皮膜を被覆し、
b)つや消し処理した表面を有する被覆基体を得るために、第1の金属皮膜の無光沢効果を受け継ぐ第2の金属皮膜で第1の無光沢金属皮膜を金属化する、という方法段階からなり、
第1の無光沢金属皮膜がニッケルを含有せず、第2の金属皮膜がニッケルおよびクロム(VI)を含有せず、しかも第1の無光沢金属皮膜を作製するための金属が、銅、銀、スズ、亜鉛、またはニッケルを含有していない合金からなるグループ中の少なくとも1つの金属であり、第2の金属皮膜を作製するための金属が、銅、スズ、亜鉛、クロム(III)、銀、
金、ルテニウム、プラチナ、パラジウムまたはこれらの合金からなるグループ中の少なくとも1つの金属であることを特徴とする。
適していることが分かった。そのような銅皮膜は、従来の技術で公知の電気めっきまたは化学的な金属化の方法によって得られる。
デン、炭素、リンもしくはタングステンとのクロム合金の析出、あるいはCVDまたはPVDによって形成された硬質皮膜、たとえば炭化クロム、窒化チタニウム/炭化チタニウム、窒化ジルコニウム/炭化ジルコニウム、二酸化ケイ素またはDLC(ダイヤモンド状炭素)ま
たはこれらの皮膜の組み合わせが適していることが分かった。
例1
18-25g/l Cu2+
180-210g/l H2SO4
30-80mg/l Cl
1-10ml/l エンソン社のクプロスターLP1添加剤
18-35℃温度範囲
1-5A/dm2 電流密度
本発明による方法で使用できる無光沢銅皮膜を析出するための電解質の別の例は、電流の流れていない銅電解質、たとえばエンソン社のENPLATE CU872である。
に相当する。銅塩として銅メタン硫酸塩を電解質に使用することは特に好適であり、有利には8〜280g/l電解質の量で電解質に添加する。これは2〜70g/lの二価銅イオンの使用
量に相当する。
またはアルカリスルホン酸を140〜382g/l電解質の量で添加すると好ましい。メタン硫酸
塩を使用すると特に有利であることが分かった。なぜならば、メタン硫酸塩は一方では金属塩の有利な可溶性を生み出し、他方では強酸性に基づいてこの方法に必要なpHの調整を設定もしくは容易にする。さらにメタンスルホン酸は、浴の安定性に著しく寄与するという有利な性質を持っている。
例2
5g/l Sn2+
10g/l Cu2+
240g/l メタンスルホン酸
32.2g/l非イオン性の芳香族湿潤剤
2g/l 酸化防止剤
25g/l 安定化剤/錯形成剤
例3
18g/l Sn2+
2g/l Cu2+
258g/l メタンスルホン酸
9g/l 非イオン性芳香族湿潤剤
例4
17.0-25.0g/l Sn2+
10.0-15.0g/l Cu2+
1.3-1.9g/l Zn2+
45.0-60.0g/l KCN
12.4-12.9 pH
0.5-2ml/l 湿潤剤
0.1-1ml/l 光沢添加剤
50.0-60.0℃ 温度範囲
2.0-4.0A/dm2 電流密度
例5:エンソン社のブロンゼックスWMF
8.0-12.0g/l Sn2+
5.0-10.0g/l Cu2+
1.0-3.0g/l Zn2+
23.0-30.0g/l KCN
0.1-2ml/l エンソン社のATC溶液No.4
0.1-2ml/l エンソン社のBRONZEX WMFブライトナーNG
13.2-13.6 pH
39.0-45.0℃ 温度範囲
0.3-0.7A/dm2 電流密度
Claims (11)
- ニッケルおよびクロム(VI)を含有しない金属皮膜を析出する方法であって、
a)基体に第1の無光沢金属皮膜を被覆する工程と、
b)つや消し処理した表面を有する被覆基体を得るために、第1の金属皮膜の無光沢効果を受け継ぐ第2の金属皮膜で第1の無光沢金属皮膜を金属化する工程とからなる方法において、
第1の無光沢金属皮膜がニッケルを含有せず、第2の金属皮膜がニッケルおよびクロム(VI)を含有せず、しかも第1の無光沢金属皮膜を形成するための金属が、銅、銀、スズ、亜鉛、またはニッケルを含有していない合金からなるグループ中の少なくとも1つの金属であり、第2の金属皮膜を形成するための金属が、銅、スズ、亜鉛、クロム(III)、銀、
金、ルテニウム、プラチナ、パラジウムまたはこれらの合金からなるグループ中の少なくとも1つの金属であることを特徴とするニッケルおよびクロム(VI)を含有しない金属皮膜を析出する方法。 - 第1の金属皮膜を化学的に析出することを特徴とする請求項1に記載の方法。
- 第1の析出した金属皮膜を電気分解によって析出することを特徴とする請求項1に記載の方法。
- 第2の金属皮膜の金属を化学的に析出することを特徴とする請求項1乃至3のいずれか1項に記載の方法。
- 第2の皮膜の金属を電気分解によって析出することを特徴とする請求項1乃至3のいずれか1項に記載の方法。
- 第2の金属皮膜を少なくとも1つの第3の皮膜で被覆するようにした方法において、
第3の金属皮膜を形成するためにクロムまたはバナジウム、モリブデン、リンもしくはタングステンなどとのクロム合金からなるグループ中の少なくとも1つの金属を有していることを特徴とする、請求項1乃至5のいずれか1項に記載の方法。 - 第2の金属皮膜を少なくとも1つの第3の皮膜で被覆するようにした方法において、
クロムまたはバナジウム、モリブデンもしくはタングステンなどとのクロム合金を析出することを特徴とする、請求項1乃至5のいずれか1項に記載の方法。 - 第2の金属皮膜を少なくとも1つの第3の皮膜で被覆するようにした方法において、
第3の金属皮膜を形成するために、単独または追加でCVDまたはPVDによって形成された硬質皮膜、たとえば炭化クロム、窒化チタニウム/炭化チタニウム、窒化ジルコニウム/炭化ジルコニウム、二酸化ケイ素またはDLC(ダイヤモンド状炭素)またはこれらの皮膜
の組み合わせを形成することを特徴とする、請求項1乃至5のいずれか1項に記載の方法。 - ニッケルおよびクロム(VI)を含有しない金属皮膜であって、
a)基体に第1の無光沢金属皮膜を被覆し、
b)つや消しを施した表面を有する被覆基体を得るために、第1の金属皮膜の無光沢効果を受け継ぐ第2の金属皮膜で第1の無光沢金属皮膜を金属化する、という方法段階によって形成されたものにおいて、
第1の無光沢金属皮膜がニッケルを含有せず、第2の金属皮膜がニッケルおよびクロム(VI)を含有せず、しかも第1の無光沢金属皮膜を形成するための金属が、銅、スズ、亜鉛、クロム(III)、銀、金、ルテニウム、プラチナ、パラジウムまたはこれらの合金からな
るグループ中の少なくとも1つの金属であり、第2の金属皮膜を形成するための金属が、銅、スズ、亜鉛、クロム(III)、銀、金、ルテニウム、プラチナ、パラジウムまたはこれ
らの合金からなるグループ中の少なくとも1つの金属であることを特徴とする、ニッケルおよびクロム(VI)を含有しない金属皮膜。 - 第2の金属皮膜を少なくとも1つの第3の皮膜で被覆し、しかも第3の金属皮膜がクロムまたはバナジウム、モリブデン、炭素、リンもしくはタングステンなどとのクロム合金からなるグループ中の少なくとも1つの金属を有していることを特徴とする、請求項7に記載のニッケルおよびクロム(VI)を含有しない金属皮膜。
- 第2の金属皮膜が少なくとも1つの第3の皮膜で被覆されており、しかも第3の皮膜が、単独または追加でCVDまたはPVDによって形成された硬質皮膜、たとえば炭化クロム、窒化チタニウム/炭化チタニウム、窒化ジルコニウム/炭化ジルコニウム、二酸化ケイ素またはDLC(ダイヤモンド状炭素)またはこれらの皮膜の組み合わせから形成されることを特
徴とする、請求項7に記載のニッケルおよびクロム(VI)を含有しない金属皮膜。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10354760A DE10354760A1 (de) | 2003-11-21 | 2003-11-21 | Verfahren zur Abscheidung von Nickel und Chrom(VI)freien metallischen Mattschichten |
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| Country | Link |
|---|---|
| US (1) | US20050178668A1 (ja) |
| EP (1) | EP1533397A3 (ja) |
| JP (1) | JP2005154902A (ja) |
| KR (1) | KR100734969B1 (ja) |
| CN (1) | CN100400710C (ja) |
| DE (1) | DE10354760A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007023344A (ja) * | 2005-07-19 | 2007-02-01 | Sumitomo Metal Mining Co Ltd | 2層めっき基板およびその製造方法 |
| JP2015510038A (ja) * | 2012-01-25 | 2015-04-02 | アトテツク・ドイチユラント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングAtotech Deutschland GmbH | つや消し銅めっきの製造方法 |
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| KR100906008B1 (ko) * | 2004-09-24 | 2009-07-06 | 자덴 징크 프로덕츠, 인코포레이티드 | 은백색 외관을 갖는 전기도금된 금속 및 그 제조방법 |
| US7296370B2 (en) * | 2004-09-24 | 2007-11-20 | Jarden Zinc Products, Inc. | Electroplated metals with silvery-white appearance and method of making |
| CN101096769A (zh) | 2006-06-26 | 2008-01-02 | 比亚迪股份有限公司 | 一种电镀方法 |
| EP2460908A1 (de) * | 2010-12-03 | 2012-06-06 | Grohe AG | Sanitägegenstand |
| DE102010055968A1 (de) | 2010-12-23 | 2012-06-28 | Coventya Spa | Substrat mit korrosionsbeständigem Überzug und Verfahren zu dessen Herstellung |
| DE102012008544A1 (de) * | 2012-05-02 | 2013-11-07 | Umicore Galvanotechnik Gmbh | Verchromte Verbundwerkstoffe ohne Nickelschicht |
| ITBS20120096A1 (it) | 2012-06-26 | 2013-12-27 | C. | Procedimento per la realizzazione di un componente di valvolame o di rubinetteria |
| DE102014006739B3 (de) | 2014-05-12 | 2015-06-25 | Albert-Ludwigs-Universität Freiburg | Verfahren zur Beschichtung von Oberflächen mit Nanostrukturen, nach dem Verfahren her- gestelltes Bauteil und Verwendung des Bauteils |
| CN108517520A (zh) * | 2018-06-15 | 2018-09-11 | 北京铂阳顶荣光伏科技有限公司 | 一种金刚石复合薄膜及其制备方法和应用 |
| WO2020096906A1 (en) | 2018-11-07 | 2020-05-14 | Coventya, Inc. | Satin copper bath and method of depositing a satin copper layer |
| CN110938851A (zh) * | 2019-11-20 | 2020-03-31 | 长泰科美厨卫科技有限公司 | 一种耐指纹哑金复合镀层的制备方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1533397A2 (de) | 2005-05-25 |
| CN100400710C (zh) | 2008-07-09 |
| DE10354760A1 (de) | 2005-06-23 |
| US20050178668A1 (en) | 2005-08-18 |
| CN1619012A (zh) | 2005-05-25 |
| KR20050049404A (ko) | 2005-05-25 |
| KR100734969B1 (ko) | 2007-07-03 |
| EP1533397A3 (de) | 2005-06-29 |
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