JP2018513267A - プラスチックにめっきするプロセスにおいてクロムフリーエッチングを使用する際のラックのための阻害剤組成物 - Google Patents
プラスチックにめっきするプロセスにおいてクロムフリーエッチングを使用する際のラックのための阻害剤組成物 Download PDFInfo
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Abstract
Description
したがって、前記クロム酸エッチング剤を避け、エレクトロケミカルめっきされるプラスチック部品をエッチングする代替法が開発されている。
前記組成物の優れた長期間の性能寿命を達成するために、前記製造ラインにおいて、上述のように、前記組成物のpH値を安定化することができる。
上述のように、前記水性組成物中での前記阻害剤の高濃度化が達成される程、前記阻害剤組成物の更なる効率化につながる。例えば、前記ポリマーラック領域へのより良い阻害剤の負荷により、より短い含浸時間で、又はより効果的な阻害が達成される。
そのような剤は公知であり、また、例えば、芳香族及び脂肪族塩素化溶剤、芳香族炭化水素類、グリコールエーテル類、ケトン類、及びアルデヒド類から選択することができる。
a)ラックホックのストリッピング工程;
b)一つ以上の洗浄工程;
c)本発明の阻害組成物を使用した阻害工程;
d)任意の一つ以上の洗浄工程;
e)乾燥工程;
f)めっきされる新しい部品とのラック組み立て工程;
g)酸又はアルカリクリーニング工程;及び
h)一つ以上の洗浄工程。
a’)ラックホックのストリッピング工程
b’)一つ以上の洗浄工程;
c’)乾燥工程;
d’)めっきされる新しい部品とのラック組み立て工程;
e’)酸又はアルカリクリーニング工程;
f’)本発明の阻害組成物を使用した阻害工程;及び
g’)任意の一つ以上の洗浄工程。
I)エッチング工程;
II)一つ以上の洗浄工程;
III)中和工程;
IV)HCl含浸工程;
V)パラジウム活性化工程;
VI)一つ以上の洗浄工程;
VII)促進剤又は導電工程;
VIII)一つ以上の洗浄工程;
IX)無電解ニッケル又は銅めっき工程、又は、任意の、電解銅又はニッケル析出工程;及び
X)任意の最終金属層又は合金の付与工程。
i)本発明の阻害組成物を使用した阻害工程と組み合わされたラックホックストリッピング工程;
ii)一つ以上の洗浄工程;
iii)乾燥工程;
iv)めっきされる新しい部品とのラック組み立て工程;
v)酸又はアルカリクリーニング工程;及び
vi)一つ以上の洗浄工程。
下記の阻害剤を1,000mlの水に添加することにより水性阻害組成物を準備する。異なる条件下、ラックホックのストリッピング工程後、かつ、プラスチック部品を設置前に、発明の水性阻害組成物を使用することによる前記ラック絶縁部における金属化の効果について下記表1に示した。参照として、異なる条件下、阻害化合物を添加することなく、前記ラックを水道水中に含浸させた。
下記の阻害剤を1,000mlの前洗浄剤に添加し、水性阻害組成物を準備する。異なる条件において、金属化されるプラスチック部品を設置後、前記水性阻害組成物を使用することによる前記ラック絶縁部にける金属化の影響を下記表2に示した。参照として、前記阻害化合物を添加することなく、前述と同様の前洗浄剤に前記ラックを異なる条件で含浸した。
Claims (15)
- ポリマー表面へのエレクトロケミカル金属めっきの阻害のための水性阻害組成物であって、
少なくとも一つの硫黄原子及び少なくとも一つの窒素原子を有する化合物から選択される阻害剤を含むことを特徴とする水性阻害組成物。 - 前記阻害剤が、式Iで表される少なくとも一つである請求項1に記載の阻害組成物。
- 前記阻害剤が、チオウレア類、チオカルバメート類、及びチオセミカルバジド類から選択される請求項1に記載の阻害組成物。
- 前記阻害剤が、チオウレアである請求項3に記載の阻害組成物。
- 前記組成物が、2から13の間のpH値を有する請求項1に記載の阻害組成物。
- 前記阻害剤が、≧0.1g/l及び≦100g/lの間の範囲の濃度で、好ましくは≧1g/l及び≦10g/lの間の範囲の濃度で含まれる請求項1に記載の阻害組成物。
- 少なくとも一つの緩衝剤を更に含む請求項1に記載の阻害組成物。
- 前記阻害剤化合物の前記組成物での溶解性を上昇させる剤を更に含む請求項1に記載の阻害組成物。
- 前記ラック絶縁のポリマーのための膨潤剤を一つ以上更に含む請求項1に記載の阻害組成物。
- ラック領域の絶縁表面の阻害のための方法であって、
前記表面を、請求項1から9のいずれかに記載の水性阻害組成物と接触させる工程
を含むことを特徴とする方法。 - 前記表面を前記阻害組成物と接触させる工程が、プラスチックへめっきを行うラインにおけるエッチングプロセス工程の前のプロセスラインに含まれる請求項10に記載の方法。
- 前記表面を前記阻害組成物と接触させる工程が、ラックをストリッピングする工程と一つのプロセス工程に組み合わされる、又は、前記表面を前記阻害組成物と接触させる工程が、エッチング工程前の前洗浄工程と一つのプロセス工程に組み合わされる請求項10に記載の方法。
- 前記表面が、≧10℃及び≦100℃の間の範囲の温度、好ましくは、≧40℃及び≦70℃の間の範囲の温度で、前記阻害組成物と接触される請求項10に記載の方法。
- 前記表面が、≦90分の時間、好ましくは、≦10分及び≧10秒の間の時間、前記阻害組成物と接触される請求項10に記載の方法。
- 前記ラックの前記絶縁領域上の絶縁体が、PVC、ポリカーボネート、ポリアミド、ポリウレタン、PTFE、ECTFE、及び部分ハロゲン化ポリマー、特に部分フッ素化ポリマーから選択されるポリマーである請求項10に記載の方法。
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EP15156059.6 | 2015-02-23 | ||
EP15156059.6A EP3059277B2 (en) | 2015-02-23 | 2015-02-23 | Inhibitor composition for racks when using chrome free etches in a plating on plastics process |
PCT/US2016/019057 WO2016137943A1 (en) | 2015-02-23 | 2016-02-23 | Inhibitor composition for racks when using chrome free etches in a plating on plastics process |
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US (1) | US20180044813A1 (ja) |
EP (1) | EP3059277B2 (ja) |
JP (1) | JP2018513267A (ja) |
KR (1) | KR102035012B1 (ja) |
CN (1) | CN107250076B (ja) |
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WO (1) | WO2016137943A1 (ja) |
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JP6898740B2 (ja) * | 2017-01-17 | 2021-07-07 | マクセルホールディングス株式会社 | メッキ部品の製造方法 |
IT201800010168A1 (it) | 2018-11-08 | 2020-05-08 | Montaldi S R L | Inibitore di metallizzazione per attrezzature di trattamenti galvanici |
GB2587662A (en) | 2019-10-04 | 2021-04-07 | Macdermid Inc | Prevention of unwanted plating on rack coatings for electrodeposition |
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EP3059277B2 (en) | 2022-03-30 |
KR102035012B1 (ko) | 2019-10-22 |
CN107250076B (zh) | 2021-06-29 |
WO2016137943A1 (en) | 2016-09-01 |
KR20170118871A (ko) | 2017-10-25 |
ES2727075T5 (es) | 2022-05-27 |
EP3059277A1 (en) | 2016-08-24 |
CN107250076A (zh) | 2017-10-13 |
EP3059277B1 (en) | 2019-04-10 |
ES2727075T3 (es) | 2019-10-14 |
US20180044813A1 (en) | 2018-02-15 |
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