JP2001003184A5 - - Google Patents

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Publication number
JP2001003184A5
JP2001003184A5 JP2000133936A JP2000133936A JP2001003184A5 JP 2001003184 A5 JP2001003184 A5 JP 2001003184A5 JP 2000133936 A JP2000133936 A JP 2000133936A JP 2000133936 A JP2000133936 A JP 2000133936A JP 2001003184 A5 JP2001003184 A5 JP 2001003184A5
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JP
Japan
Prior art keywords
acid
group
platinum
aluminide
stripping
Prior art date
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JP2000133936A
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English (en)
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JP4870254B2 (ja
JP2001003184A (ja
Filing date
Publication date
Priority claimed from US09/303,755 external-priority patent/US6494960B1/en
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Publication of JP2001003184A publication Critical patent/JP2001003184A/ja
Publication of JP2001003184A5 publication Critical patent/JP2001003184A5/ja
Application granted granted Critical
Publication of JP4870254B2 publication Critical patent/JP4870254B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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【特許請求の範囲】
【請求項1】 基体の表面からアルミニドコーティングを除去する方法であって、当該方法が、
(1)脂肪族スルホン酸又は芳香族スルホン酸と(2)1種類以上の添加剤とを含む1種以上のストリッピング組成物を基体の表面と接触させる段階、及び
コーティングを除去する段階
を含んでなり、前記添加剤が、以下の(a)〜(c):
(a)硝酸、塩酸、リン酸、過塩素酸、トリフルオロメタンスルホン酸、トリフルオロ酢酸、硫酸、ホウ酸、次亜リン酸及びこれらの組合せからなる群から選択される第二の酸、
(b)ハロゲン化物、オキシハロゲン化物、硫酸塩、リン酸塩、硝酸塩、置換芳香族化合物であってニトロ、ヒドロキシ、カルボキシル及び硫酸置換基を有するもの、及び置換アルキルカルボン酸からなる群から選択される錯化剤、並びに
(c)アルカリ土類水酸化物、Al(OH)3、ホウ酸塩、リン酸塩、次亜リン酸ナトリウム、ケイ酸塩、アルミン酸塩、Na3AlF6、Na2SiF6及びNa2SiO3からなる群から選択される還元剤
からなる群から選択される、方法。
【請求項2】 第二の酸が0.1〜10.0重量%の量でストリッピング組成物中に存在する、請求項2記載の方法。
【請求項3】 還元剤が0.1〜10重量%の量で存在する、請求項1又は請求項2記載の方法。
【請求項4】 ストリッピング溶液がアルコール類、置換アルキルエーテル類、置換ケトン類及びグリコール類からなる群から選択される溶媒を含んでなる、請求項1乃至請求項3のいずれか1項記載の方法。
【請求項5】 アルミニドコーティングが白金アルミニド領域と白金を含まない白金不含アルミニド領域とを含んでいる、請求項1乃至請求項4のいずれか1項記載の方法。
JP2000133936A 1999-05-03 2000-05-02 基体からアルミニドコーティングを除去する方法 Expired - Lifetime JP4870254B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/303755 1999-05-03
US09/303,755 US6494960B1 (en) 1998-04-27 1999-05-03 Method for removing an aluminide coating from a substrate

Publications (3)

Publication Number Publication Date
JP2001003184A JP2001003184A (ja) 2001-01-09
JP2001003184A5 true JP2001003184A5 (ja) 2007-06-14
JP4870254B2 JP4870254B2 (ja) 2012-02-08

Family

ID=23173547

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000133936A Expired - Lifetime JP4870254B2 (ja) 1999-05-03 2000-05-02 基体からアルミニドコーティングを除去する方法

Country Status (9)

Country Link
US (1) US6494960B1 (ja)
EP (1) EP1050604B1 (ja)
JP (1) JP4870254B2 (ja)
BR (1) BR0007123B1 (ja)
CA (1) CA2307398C (ja)
DE (1) DE60030197T2 (ja)
MX (1) MXPA00004320A (ja)
MY (1) MY122745A (ja)
SG (1) SG91274A1 (ja)

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