JP7137655B2 - 金属基材を処理するためのシステム及び方法 - Google Patents
金属基材を処理するためのシステム及び方法 Download PDFInfo
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- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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Description
本出願は、「シーリング組成物」という発明の名称で2016年8月12日に出願された米国仮出願第62/374,188号の優先権を主張し、その全体が参照により本明細書に組み込まれる。
本発明のシーリング組成物はまた、リチウム以外のIA族金属の金属カチオン、VB族金属カチオン、VIB族金属カチオン、又はそれらの組合せをさらに含んでもよい。
200kVの加速電圧でFEI Talos F200X電界放出TEMを用いて、TEM及び走査型透過電子顕微鏡法(STEM)を行った。顕微鏡の倍率は、Agar Scientificからのクロスグレ-ティングレプリカ標準を使用して較正した。(クロスグレ-ティングレプリカ、AGS106、回折線格子間隔462.9nm、http://www.agarscientific.com/diffraction-integrating-replicas.html)。試料からHAADF-STEM(高角度環状暗視野)画像を収集したところ、存在する元素の原子番号の二乗にほぼ比例する質量コントラストを主に示す画像が得られた。
1.基材を処理する方法であって、基材表面の少なくとも一部を、pH9.5~12.5を有し且つリチウム金属カチオンを含むシーリング組成物と接触させる工程を含み、当該接触工程の前に、基材表面の少なくとも一部が陽極酸化される、基材を処理する方法。
pH9.5~12.5を有し、且つリチウム金属カチオンを含むシーリング組成物と、コンディショナーを含む水性組成物とを含み、
当該基材の表面の少なくとも一部は陽極酸化されている、
システム。
例A-洗浄剤組成物:
洗浄剤例Aの溶液を調製するために使用した成分を表2に示す。水酸化ナトリウム及びリン酸ナトリウムを、撹拌プレート(VWR、7×7 CER HOT/STIR)を用いて穏やかに機械的に撹拌しながら脱イオン水中に完全に溶解させた。溶解したら、次に、PVPを溶解するまで撹拌し、次いでアラントインを添加し、溶解するまで撹拌し、次いでDMTDを添加し、溶解するまで撹拌した。DMTDが完全に溶解した後、Carbowet GA100を上記のように穏やかな機械的撹拌下で撹拌した。
例Bのシーリング溶液を、3.07gの炭酸リチウムを1,996.93gの脱イオン水中に穏やかに撹拌しながら上記のような撹拌プレートを用いて溶解することによって調製した。その結果、組成物の全重量に基づいて0.15重量%の炭酸リチウム濃度であり、11.2~11.3のpHを有する溶液が得られた。
3インチ×5インチ×0.032インチの大きさのアルミニウム2024T3裸基材をメチルエチルケトン(100%)及び使い捨て布で手拭きし、化学洗浄の前に風乾した。パネルを、例Aの洗浄剤溶液に、周囲温度で3.5分間断続的に撹拌しながら浸漬した。次いで、パネルを、2回続けて脱イオン水のリンスに、各2分間、両方とも周囲温度で断続的に撹拌しながら、浸漬した。2回目のリンスの後、パネルはカスケード脱イオン水リンスを10秒間受けた。次いで、パネルを、例Bのシーリング組成物に周囲温度で2分間断続的に攪拌しながら浸漬した。試験前に、パネルを周囲条件で一晩風乾した。
3インチ×10インチ×0.032インチのAl 2024-T3のパネルの両面を、毛羽立ちのないペーパータオルを用いて、表面にグリース及び油が付着しなくなるまで、メチルエチルケトンで溶媒拭き取りした。次いで、パネルを、Turco 4215 NCLT洗浄剤(製造者の指示に従って調製した)(Telco Industries、西オーストラリア州Keaddelから入手可能)を含む浴に10分間浸漬した。次に、パネルを、脱イオン水のスプレーリンスを用いて2分間すすぎ、続いて脱イオン水の浸漬リンスを用いて2分間すすいだ。次いで、パネルを、Amchem 7/17脱酸素剤(製造元の指示に従って調製)(Henkel Technologies、Madison Heights、MIから入手可能)を用いて5分間脱酸素した。次に、パネルを、スプレーリンスを用いて2分間リンスし、続いて2回目の浸漬リンスを2分間行った。次いで、パネルを独自の陽極酸化タンクに浸し、30分間陽極酸化した。次に、パネルを脱イオン水中に2分間浸漬し、続いて2回目の脱イオン水で2分間すすいだ。次いで、撹拌プレートを用いて穏やかに撹拌しながら炭酸リチウムを脱イオン水中に溶解することにより調製した例Bのシーリング組成物に金属基材を浸漬した。シーリング組成物を10分間110°Fに加熱した。試験前に、パネルを周囲条件で風乾させた。
76枚の120×80×0.8 mmの2024T3のパネルを、15g/LのChemkleen 190及び1g/LのChemkleen 171(フランス国、MarlyのPPGから入手可能)を含有するアルカリ水溶液中に、60℃の温度で5分間浸漬することによって洗浄した。次に、パネルを、35℃の脱イオン水で5分間すすいだ。次いで、パネルを、溶液(60%体積のSOCOSURF A1858及び10%体積のAl806(テキサス州フォートワースのSocomoreから入手可能)を含み、残部は脱イオン水である)に浸漬することによって、50℃で約10分間エッチングした。
パネルを、室温(25℃)の脱イオン水で5分間すすいだ。
最初に、2024T3圧延アルミニウムパネルに、米国カリフォルニア州ガーデンカリフォルニアのValence-Coast Platingで、Airbus AIPS 02-01-003規格に従って、TSA加工を施した。試験パネルは10インチ×4インチであった。
Claims (5)
- 陽極酸化層を含む基材であって、リチウムが、当該陽極酸化層中に空気/基材界面下の400nmまでの深さで0.1原子%~1.5原子%の量で存在する、基材。
- 前記基材が、アルミニウム、アルミニウム合金、又はそれらの組合せを含む、請求項1に記載の基材。
- 前記基材が、1重量%~10重量%の量で銅を含むアルミニウム合金を含む、請求項1又は2に記載の基材。
- ASTMB117に従って操作される中性塩スプレーキャビネット内での3日間の暴露の後で、前記陽極酸化層中にリチウムを含む前記基材は、陽極酸化層中にリチウムを含まない基材と比較して、基材表面上のピットの数が少なくとも50%減少している、請求項1~3のいずれか一項に記載の基材。
- プライマー層、電着層、粉末コート層、又はそれらの組合せをさらに含む、請求項1~4のいずれか一項に記載の基材。
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US201662374188P | 2016-08-12 | 2016-08-12 | |
US62/374,188 | 2016-08-12 | ||
JP2019507253A JP7110172B2 (ja) | 2016-08-12 | 2017-08-14 | 金属基材を処理するためのシステム及び方法 |
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FR3082528B1 (fr) * | 2018-06-14 | 2021-02-12 | Liebherr Aerospace Toulouse Sas | Composition aqueuse et procede de traitement de surface d'une piece en alliage d'aluminium mettant en œuvre une telle composition |
US11566330B2 (en) * | 2019-04-16 | 2023-01-31 | Ppg Industries Ohio, Inc. | Systems and methods for maintaining pretreatment baths |
US20240050983A1 (en) * | 2019-10-10 | 2024-02-15 | Ppg Industries Ohio, Inc. | Systems and methods for treating a substrate |
WO2021071575A1 (en) * | 2019-10-10 | 2021-04-15 | Ppg Industries Ohio, Inc. | Systems and methods for treating a metal substrate |
CN114981480A (zh) * | 2019-12-26 | 2022-08-30 | Prc-迪索托国际公司 | 用于处理金属基材的***和方法 |
CN112156957A (zh) * | 2020-09-21 | 2021-01-01 | 江苏苏缘幕墙材料有限公司 | 仿古铜拉丝铝单板的喷涂工艺 |
US11951506B2 (en) * | 2022-09-08 | 2024-04-09 | Hamilton Sundstrand Corporation | Two part applicator pen |
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JP2015189986A (ja) | 2014-03-27 | 2015-11-02 | スズキ株式会社 | 陽極酸化皮膜及びその封孔処理方法 |
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CA2087352A1 (en) | 1992-07-01 | 1994-01-02 | David W. Reichgott | Method and composition for treatment of galvanized steel |
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CA3031779A1 (en) | 2018-02-15 |
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WO2018032010A1 (en) | 2018-02-15 |
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WO2018031986A1 (en) | 2018-02-15 |
CA3031779C (en) | 2021-08-10 |
US20180043393A1 (en) | 2018-02-15 |
CN109642339A (zh) | 2019-04-16 |
RU2019106628A3 (ja) | 2020-09-14 |
CA3032158A1 (en) | 2018-02-15 |
AU2017310525B2 (en) | 2020-04-16 |
RU2019106628A (ru) | 2020-09-14 |
MX2019001287A (es) | 2019-04-25 |
EP3497261A1 (en) | 2019-06-19 |
EP3497268B1 (en) | 2022-12-28 |
JP7110172B2 (ja) | 2022-08-01 |
CN109642325A (zh) | 2019-04-16 |
CN109642339B (zh) | 2021-08-06 |
JP2019527776A (ja) | 2019-10-03 |
JP2021107579A (ja) | 2021-07-29 |
US20210285121A1 (en) | 2021-09-16 |
KR102319146B1 (ko) | 2021-10-28 |
RU2019106618A3 (ja) | 2020-09-14 |
AU2017310525A1 (en) | 2019-02-28 |
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