JP2002327280A - Metal surface treatment agent - Google Patents
Metal surface treatment agentInfo
- Publication number
- JP2002327280A JP2002327280A JP2001131249A JP2001131249A JP2002327280A JP 2002327280 A JP2002327280 A JP 2002327280A JP 2001131249 A JP2001131249 A JP 2001131249A JP 2001131249 A JP2001131249 A JP 2001131249A JP 2002327280 A JP2002327280 A JP 2002327280A
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- JP
- Japan
- Prior art keywords
- metal surface
- acid
- treatment
- film
- oxyacid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は広くは亜鉛、錫、カ
ドミニウム、アルミニウム、マグネシウム及びこれら合
金の表面処理剤、表面皮膜を施す方法に関するものであ
り、特に亜鉛、アルミニウム、マグネシウム及びこれら
合金、亜鉛及び亜鉛系合金めっきを施した鉄部品の表面
に、保護皮膜を形成させる金属表面処理剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates generally to a surface treatment agent for zinc, tin, cadmium, aluminum, magnesium and their alloys, and a method for applying a surface coating, and more particularly to zinc, aluminum, magnesium and their alloys, zinc. And a metal surface treating agent for forming a protective film on the surface of a zinc-based alloy-plated iron component.
【０００２】[0002]
【従来の技術】亜鉛、錫、カドミニウム、アルミニウ
ム、マグネシウム及びこれらの合金上の保護皮膜として
種種の皮膜はあるが、これまでの見地に本発明に相当す
る皮膜は見あたらず、本発明により新たな見地に皮膜を
提供するものである。亜鉛、アルミニウム、マグネシウ
ム及びこれらの合金は、そのまま使用すると、錆が直ぐ
発生するため、保護皮膜を形成させることが一般的であ
る。従来より使用されている保護皮膜としては、リン酸
塩皮膜処理とクロメート皮膜処理があり、用途や対象金
属により使い分けられている。2. Description of the Related Art There are various kinds of coatings as protective coatings on zinc, tin, cadmium, aluminum, magnesium and their alloys. However, no coating corresponding to the present invention has been found in the past, and a new coating has been proposed by the present invention. This is to provide a film in the viewpoint. If zinc, aluminum, magnesium and their alloys are used as they are, rust is immediately generated, and thus it is common to form a protective film. Conventionally used protective films include a phosphate film treatment and a chromate film treatment, which are properly used depending on applications and target metals.
【０００３】リン酸塩皮膜処理としては、従来は特開平
３−１０７４６９等に示される様なフッ素イオンあるい
は、錯フッ化物イオンを必須成分とするもので、これら
の有害物を含有するため、近年の環境問題に対応できる
ものではなかった。一方、クロメート皮膜処理は、有害
は六価クロムを含有する処理液であるのみならず、処理
品から溶出する六価クロムが人体や環境へ悪影響がある
として、近年大きな問題になっており、環境問題に課題
を残しているものであった。クロム化合物、フッ素化合
物を使用しない金属表面処理剤として、特公平３−６９
９４の処理方法や特開平６−１１６７４０の表面処理方
法が開示されているが、工程が２段階、３段階になるた
め、コスト的に大きな負担になり、更に作業性に問題が
ある。又、特開平７−１２６８５８の化成処理液や特開
平１１−１３１２５５化成処理液では特定化学物質に指
定されているマンガンイオンを含んでおり、環境面や廃
水処理性に問題がある。[0003] Conventionally, the phosphate film treatment contains fluorine ion or complex fluoride ion as an essential component as disclosed in JP-A-3-107469, etc., and contains these harmful substances. It was not something that could cope with the environmental problems. On the other hand, the chromate film treatment is not only a harmful treatment solution containing hexavalent chromium, but also has a serious problem in recent years because hexavalent chromium eluted from the treated product has an adverse effect on the human body and the environment. It was something that left an issue for the problem. As a metal surface treatment agent that does not use chromium compounds or fluorine compounds,
No. 94 and the surface treatment method of Japanese Patent Application Laid-Open No. 6-116740 are disclosed. However, since the number of steps is two or three, the cost becomes large and there is a problem in workability. Further, the chemical conversion treatment solution disclosed in JP-A-7-126858 and JP-A-11-131255 contain manganese ions specified as a specific chemical substance, and have problems in environmental aspects and wastewater treatment properties.
【０００４】又更に、特開平８−１７６８４２の化成処
理液、特開平１０−１８３３６４の保護皮膜形成処理
剤、特開平１１−２９８７４の表面処理方法、特開２０
００−１９９０７７の表面処理液、特開２０００−２８
２２５６の高耐食性防錆処理剤、特開２０００−２９７
３８３の表面処理方法、特開２００１−４９４５３の表
面処理剤が開示されているが、従来のクロメート皮膜と
同レベルの耐食性が得られなく、耐食性に問題が残され
ている。Furthermore, a chemical conversion treatment solution disclosed in JP-A-8-176842, a protective film forming agent disclosed in JP-A-10-183364, a surface treatment method described in JP-A-11-29874,
00-199077, JP-A-2000-28
No. 2256, a high corrosion resistant rust preventive agent
No. 383, a surface treatment agent disclosed in JP-A-2001-49453 is disclosed. However, the same level of corrosion resistance as that of a conventional chromate film cannot be obtained, and a problem remains in the corrosion resistance.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、有害なフッ
素化合物やクロム化合物を使用せず、亜鉛、錫、カドミ
ウム、アルミニウム、マグネシウム及びこれらの合金上
に、均一で且つ密着性の優れた、高耐食性の保護皮膜を
形成させる金属表面処理剤を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention does not use harmful fluorine compounds or chromium compounds, and provides uniform and excellent adhesion on zinc, tin, cadmium, aluminum, magnesium and alloys thereof. An object of the present invention is to provide a metal surface treatment agent for forming a protective film having high corrosion resistance.
【０００６】[0006]
【課題を解決するための手段】本発明者は、従来技術の
問題点を鑑み、有害なフッ素化合物やクロム化合物を使
用することなく、均一で且つ密着性の優れた、高耐食性
の保護皮膜が得られる金属表面処理剤を鋭意研究した結
果、アルカリ土類金属とリンの酸素酸及び／又はその酸
素酸塩を含み、更にＭｏ、Ｗ、Ｖ、Ｔｉの酸素酸及び／
又はその酸素酸塩を含有するｐＨｌ．０〜５．０の水溶
液を特徴とする処理液で浸漬又は電解処理することによ
り、従来の問題点を改善できることを見出した。更に本
発明により、均一で且つ密着性の優れた、高耐食性の保
護皮膜が得られることが判明した。SUMMARY OF THE INVENTION In view of the problems of the prior art, the present inventor has developed a protective film which is uniform, has excellent adhesion and high corrosion resistance without using harmful fluorine compounds or chromium compounds. As a result of intensive studies on the obtained metal surface treating agent, it contains an alkaline earth metal and an oxygen acid of phosphorus and / or an oxyacid salt thereof, and further contains an oxygen acid of Mo, W, V and Ti and / or
Or a pH l. It has been found that conventional problems can be solved by immersion or electrolytic treatment with a treatment solution characterized by an aqueous solution of 0 to 5.0. Further, it has been found that the present invention can provide a uniform and excellent adhesion, high corrosion resistance protective film.
【０００７】[0007]
【発明の実施の形態】以下に、本発明の金属表面処理剤
に関し詳細に説明する。本発明の金属表面処理剤はアル
カリ土類金属とリンの酸素酸及び／又はその酸素酸塩を
含み、更にＭｏ、Ｗ、Ｖ、Ｔｉの酸素酸及び／又はその
酸素酸塩を含有するｐＨ１．０〜５．０の水溶液であ
る。本発明に使用するアルカリ土類金属はＭｇ、Ｃａ、
Ｂａ、Ｓｒの１種又は２種以上より構成され、これらの
総量は０．１〜１０．０ｇ／Ｌが実用範囲で０．１〜
５．０ｇ／Ｌが好ましい。この濃度範囲より少ない場合
は、皮膜が薄くなり、多い場合は密着性が低下し要求す
る機能が得られないことがある。本発明に使用するリン
の酸素酸及び／又はその酸素酸塩は、正リン酸、縮合リ
ン酸、亜リン酸、次亜リン酸の１種又は２種以上より構
成され、これらの総量は１〜１００ｇ／Ｌが実用範囲で
１〜５０ｇ／Ｌが好ましい。この濃度範囲より少ない場
合は密着性が低下し、多い場合は皮膜が薄くなる。BEST MODE FOR CARRYING OUT THE INVENTION The metal surface treating agent of the present invention will be described in detail below. The metal surface treating agent of the present invention contains an alkaline earth metal and an oxyacid of phosphorus and / or an oxyacid salt thereof, and further contains an oxyacid of Mo, W, V, Ti and / or an oxyacid salt thereof at pH 1. It is an aqueous solution of 0 to 5.0. The alkaline earth metal used in the present invention is Mg, Ca,
It is composed of one or more of Ba and Sr, and the total amount thereof is 0.1 to 10.0 g / L in a practical range of 0.1 to 10.0 g / L.
5.0 g / L is preferred. When the concentration is lower than the above range, the film becomes thin, and when the concentration is higher, the adhesiveness is reduced and the required function may not be obtained. The oxyacid of phosphorus and / or its oxyacid salt used in the present invention is composed of one or more of orthophosphoric acid, condensed phosphoric acid, phosphorous acid, and hypophosphorous acid. -100 g / L is a practical range, and 1-50 g / L is preferable. When the concentration is lower than this range, the adhesion is reduced, and when the concentration is higher, the film becomes thinner.
【０００８】本発明に使用するＭｏ、Ｗ、Ｖ、Ｔｉの酸
素酸及び／又はその酸素酸塩は１種又は２種以上より構
成され、これらの総量が０．１〜５０ｇ／Ｌが実用範囲
で０．１〜１０ｇ／Ｌが好ましく、この濃度範囲より少
ない場合は皮膜生成が損なわれ、多い場合は皮膜外観が
低下したり、くみ出しによる経済的損失が大きくなり適
当でない。これら酸素酸及び／又はその酸素酸塩として
はモリブデン酸、タングステン酸、バナジン酸、チタン
酸及びその塩等が挙げられる。The oxyacids of Mo, W, V and Ti used in the present invention and / or oxyacid salts thereof are composed of one kind or two or more kinds, and the total amount of these is 0.1 to 50 g / L. When the concentration is less than this range, the formation of the film is impaired. When the concentration is too large, the appearance of the film is deteriorated and the economical loss due to bleeding increases, which is not suitable. Examples of these oxyacids and / or oxyacid salts thereof include molybdic acid, tungstic acid, vanadic acid, titanic acid and salts thereof.
【０００９】本発明でのｐＨは１．０〜５．０が実用範
囲であり、２．０〜４．５が好ましい。このｐＨ範囲よ
り低い場合は均一な皮膜化成が難しくなり、高い場合は
やや耐食性が低下する傾向がある。本発明の金属表面処
理剤は浸漬又は電解のどちらかで処理ができ、浸漬処理
する場合は、室温から９０℃の温度で使用でき、１〜６
００秒の時間を任意に選択し使用できる。又、陰極電解
処理する場合は、電流密度は０．１〜３０Ａ／ｄｍ２が
好ましく、更に好ましくは０．５〜３Ａ／ｄｍ ２で、通
電時間は１〜３６０秒が好ましい。In the present invention, the pH ranges from 1.0 to 5.0 for practical use.
And 2.0 to 4.5 is preferred. This pH range
If it is too low, it is difficult to form a uniform film.
The corrosion resistance tends to decrease slightly. Metal surface treatment of the present invention
The agent can be treated by either immersion or electrolysis.
If used, it can be used at room temperature to 90 ° C.
The time of 00 seconds can be arbitrarily selected and used. Also, cathodic electrolysis
When processing, the current density is 0.1 to 30 A / dm.2But
Preferably, more preferably, 0.5 to 3 A / dm 2In
The charging time is preferably from 1 to 360 seconds.
【００１０】[0010]
【実施例】以下に本発明の効果を実施例により説明する
が、本発明は下記の実施例に限定されるものではなく、
適宜変更して実施することが可能なものである。EXAMPLES The effects of the present invention will be described below with reference to examples, but the present invention is not limited to the following examples.
It can be implemented with appropriate changes.
【００１１】（実施例１〜４）亜鉛めっきした鉄板（５
０×１００×１ｍｍ）を試験片に用い、脱脂、硝酸浸漬
など適当な前処理を行い、表１に示すアンモニアでｐＨ
２．０に調整した所定濃度の処理液に５０℃で９０秒間
浸漬し、皮膜生成後水洗し、乾燥する。この際の処理外
観を目視で評価し、耐食性は７２時間後の塩水噴霧試験
（ＪＩＳ Ｚ２３７１）結果より評価した。この結果を
表２に示す。(Examples 1 to 4) A galvanized iron plate (5
(0 × 100 × 1 mm) as a test piece, and subjected to appropriate pretreatment such as degreasing and immersion in nitric acid.
It is immersed in a treatment solution having a predetermined concentration adjusted to 2.0 at 50 ° C. for 90 seconds, washed with water after forming a film, and dried. The treated appearance at this time was visually evaluated, and the corrosion resistance was evaluated from the result of a salt spray test (JIS Z2371) after 72 hours. Table 2 shows the results.
【００１２】（実施例５〜８）アルミニウム合金板（材
質；ＡＤＣ１２、寸法；５０×１００×０．５ｍｍ）を
試験片に用い、脱脂などの前処理を行い、表１に示すア
ンモニアでｐＨ２．０に調整した所定濃度の処理液に５
０℃で６０秒間浸漬し、皮膜生成後水洗し、乾燥する。
この際の処理外観を目視で評価し、耐食性は４８時間後
の塩水噴霧試験（ＪＩＳ Ｚ ２３７１）結果より評価
した。この結果を表２に示す。(Examples 5 to 8) An aluminum alloy plate (material: ADC12, dimensions: 50 × 100 × 0.5 mm) was used as a test piece, and pretreatment such as degreasing was performed. 5 in the processing solution of the predetermined concentration adjusted to 0
It is immersed at 0 ° C. for 60 seconds, washed with water after forming a film, and dried.
At this time, the treated appearance was visually evaluated, and the corrosion resistance was evaluated from the result of a salt spray test (JIS Z 2371) after 48 hours. Table 2 shows the results.
【００１３】（実施例９〜１２）マグネシウム合金板
（材質；ＡＺ９１Ｄ、寸法；５０×１００×０．５ｍ
ｍ）を試験片に用い、脱脂などの前処理を行い、表１に
示すアンモニアでｐＨ３．０に調整した所定濃度の処理
液に４０℃で６０秒間浸漬し、皮膜生成後水洗し、乾燥
する。この際の処理外観を目視で評価し、耐食性は４８
時間後の塩水噴霧試験（ＪＩＳ Ｚ ２３７１）結果よ
り評価した。この結果を表２に示す。(Examples 9 to 12) Magnesium alloy plate (material: AZ91D, dimensions: 50 × 100 × 0.5 m)
m) was used as a test piece, pre-treated such as degreasing, immersed in a treatment solution having a predetermined concentration adjusted to pH 3.0 with ammonia shown in Table 1 at 40 ° C. for 60 seconds, washed with water after forming a film, and dried. . At this time, the treated appearance was visually evaluated, and the corrosion resistance was 48.
Evaluation was made based on the results of the salt spray test (JIS Z 2371) after a lapse of time. Table 2 shows the results.
【００１４】（実施例１３）亜鉛めっきした鉄板（５０
×１００×１ｍｍ）を試験片に用い、脱脂、硝酸浸漬な
ど適当な前処理を行い、表１に示すアンモニアでｐＨ
２．０に調整した所定濃度の２０℃の処理液に電流密度
１Ａ／ｄｍ２で６０秒間陰極電解し、皮膜生成後水洗
し、乾燥する。この際の処理外観を目視で評価し、耐食
性は７２時間後の塩水噴霧試験（ＪＩＳ Ｚ ２３７
１）結果より評価した。この結果を表２に示す。Example 13 A galvanized iron plate (50)
× 100 × 1 mm) for the test piece, and subjected to appropriate pretreatment such as degreasing and immersion in nitric acid.
Cathodic electrolysis is performed at a current density of 1 A / dm 2 for 60 seconds at a predetermined concentration of 20 ° C. of the treatment solution adjusted to 2.0, and after forming a film, the film is washed with water and dried. The appearance of the treatment at this time was visually evaluated, and the corrosion resistance was evaluated by a salt spray test (JIS Z 237) after 72 hours.
1) Evaluation was made based on the results. Table 2 shows the results.
【００１５】[0015]
【比較例】比較例１ 表面に何ら処理していない亜鉛めっきした鉄板（５０×
１００×ｌｍｍ）を試験片に用い、塩水噴霧試験（ＪＩ
Ｓ Ｚ ２３７１）における白錆発生までの時間で耐食
性を評価した。この結果を表２に示す。[Comparative Example] Comparative Example 1 A galvanized iron plate (50 ×
100 × 1 mm) for the test piece and the salt spray test (JI
The corrosion resistance was evaluated by the time until the occurrence of white rust in SZ2371). Table 2 shows the results.
【００１６】比較例２ 亜鉛めっきした鉄板（５０×１００×ｌｍｍ）を試験片
に用い、脱脂、硝酸浸漬など適当な前処理を行い、六価
クロメート処理液（アイディップＺ−３４８；アイコー
ケミカル（株））に１分間浸漬し皮膜生成後水洗し、乾
燥する。この際の処理外観を目視で評価し、塩水噴霧試
験（ＪＩＳ Ｚ ２３７１）における白錆発生までの時
間で耐食性を評価した。この結果を表２に示す。Comparative Example 2 A galvanized iron plate (50 × 100 × 1 mm) was used as a test piece, subjected to appropriate pretreatment such as degreasing and immersion in nitric acid, and treated with a hexavalent chromate treatment solution (Idip Z-348; Iiko Chemical ( Co., Ltd.) for 1 minute, form a film, wash with water and dry. The appearance of the treatment at this time was visually evaluated, and the corrosion resistance was evaluated by the time until the occurrence of white rust in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００１７】比較例３ 亜鉛めっきした鉄板（５０×１００×ｌｍｍ）を試験片
に用い、脱脂、硝酸浸漬など適当な前処理を行い、更に
市販の表面調整剤（プレパレンＺ；日本パーカーライジ
ング（株））で処理し、市販の燐酸塩皮膜処理剤（パル
ボンド３３００；日本パーカーライジング（株））に７
０℃で１５秒浸漬し、皮膜生成後水洗し、又更に、パー
レン１（日本パーカーライジング（株））にて後処理
し、乾燥する。この際の処理外観を目視で評価し、塩水
噴霧試験（ＪＩＳ Ｚ ２３７１）における白錆発生ま
での時間で耐食性を評価した。この結果を表２に示す。Comparative Example 3 A zinc-plated iron plate (50 × 100 × 1 mm) was used as a test piece, subjected to appropriate pretreatment such as degreasing and immersion in nitric acid, and further subjected to a commercially available surface conditioner (Preparen Z; Nippon Parker Rising Co., Ltd.) )) And commercialized phosphate coating agent (Palbond 3300; Nippon Parker Rising Co., Ltd.)
It is immersed at 0 ° C. for 15 seconds, washed with water after forming a film, and further post-treated with Parlen 1 (Nippon Parker Rising Co., Ltd.) and dried. The appearance of the treatment at this time was visually evaluated, and the corrosion resistance was evaluated by the time until the occurrence of white rust in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００１８】比較例４ 表面に何ら処理していないアルミニウム合金板（材質；
ＡＤＣ１２、寸法；５０×１００×０．５ｍｍ）を試験
片に用い、塩水噴霧試験（ＪＩＳ Ｚ ２３７１）にお
ける錆発生までの時間で耐食性を評価した。この結果を
表２に示す。Comparative Example 4 An aluminum alloy plate having no surface treated (material:
ADC12, dimensions: 50 × 100 × 0.5 mm) was used for the test piece, and the corrosion resistance was evaluated by the time until rust generation in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００１９】比較例５ アルミニウム合金板（材質；ＡＤＣ１２、寸法；５０×
１００×０．５ｍｍ）を試験片に用い、脱脂などの前処
理を行い、無水クロム酸１２ｇ／Ｌ、７５％リン酸３５
ｍＬ／Ｌ、酸性フッ化ナトリウム３ｇ／Ｌ含む水溶液に
４０℃で６０秒間浸漬し、皮膜生成後水洗し、乾燥す
る。この際の処理外観を目視で評価し、塩水噴霧試験
（ＪＩＳ Ｚ ２３７１）における錆発生までの時間で
耐食性を評価した。この結果を表２に示す。Comparative Example 5 Aluminum alloy plate (material: ADC12, dimensions: 50 ×
(100 × 0.5 mm) was used as a test piece, and pretreatment such as degreasing was performed.
The film is immersed in an aqueous solution containing 3 g / L of sodium acid fluoride at 40 ° C. for 60 seconds. At this time, the treated appearance was visually evaluated, and the corrosion resistance was evaluated by the time until rust generation in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００２０】比較例６ 表面に何ら処理していないマグネシウム合金板（材質；
ＡＺ９１Ｄ、寸法；５０×１００×０．５ｍｍ）を試験
片に用い、塩水噴霧試験（ＪＩＳ Ｚ ２３７１）にお
ける錆発生までの時間で耐食性を評価した。この結果を
表２に示す。Comparative Example 6 A magnesium alloy plate having no surface treated (material:
AZ91D (dimensions: 50 × 100 × 0.5 mm) was used as a test piece, and the corrosion resistance was evaluated by the time until rust generation in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００２１】比較例７ マグネシウム合金板（材質；ＡＺ９ｌＤ、寸法；５０×
１００×０．５ｍｍ）を試験片に用い、脱脂などの前処
理を行い、ＪＩＳ Ｈ ８６５１の８種に記載の六価ク
ロム含有の化成処理液（重クロム酸ナトリウム１８０ｇ
／Ｌ、酸性フッ化ナトリウム１５ｇ／Ｌ、硫酸アルミニ
ウム１０ｇ／Ｌ、６０％硝酸８４ｍＬ／Ｌ含有の水溶
液）に２０℃で１２０秒間浸漬し、皮膜生成後水洗し、
乾燥する。この際の処理外観を目視で評価し、塩水噴霧
試験（ＪＩＳ Ｚ ２３７１）における錆発生までの時
間で耐食性を評価した。この結果を表２に示す。Comparative Example 7 Magnesium alloy plate (material: AZ91D, dimensions: 50 ×
100 × 0.5 mm) was used as a test piece, and pretreatment such as degreasing was performed, and a hexavalent chromium-containing chemical conversion treatment solution (sodium dichromate 180 g) described in 8 types of JIS H8651 was used.
/ L, 15 g / L of sodium acid fluoride, 10 g / L of aluminum sulfate, and 84 mL / L of 60% nitric acid) at 20 ° C. for 120 seconds.
dry. At this time, the treated appearance was visually evaluated, and the corrosion resistance was evaluated by the time until rust generation in a salt spray test (JIS Z 2371). Table 2 shows the results.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【表２】 [Table 2]
【００２４】[0024]
【発明の効果】本発明に係わる金属表面処理剤は従来技
術に比べ格段に優れた耐食性を示し、均一で密着性の優
れた保護皮膜を形成でき、更に有害なフッ素化合物やク
ロム化合物等を使用しないため、作業環境面や公害面を
改善しうるもので、工業的に極めて有益である。The metal surface treating agent according to the present invention has a significantly superior corrosion resistance as compared with the prior art, can form a uniform and excellent adhesion protective film, and uses harmful fluorine compounds and chromium compounds. Therefore, it is possible to improve the working environment and pollution, which is extremely useful industrially.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ２５Ｄ 11/36 Ｃ２５Ｄ 11/36 Ｄ Ｅ Ｆターム(参考） 4D075 AB01 AB51 AB56 CA13 CA33 DA06 DB01 DB06 DB07 EA06 EA07 EC01 EC54 4K026 AA02 AA07 AA09 AA10 AA11 AA22 BA03 BB08 CA13 CA24 CA25 CA29 CA31 DA03 EA06──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification symbol FI theme coat ゛ (Reference) C25D 11/36 C25D 11/36 DEF term (Reference) 4D075 AB01 AB51 AB56 CA13 CA33 DA06 DB01 DB06 DB07 EA06 EA07 EC01 EC54 4K026 AA02 AA07 AA09 AA10 AA11 AA22 BA03 BB08 CA13 CA24 CA25 CA29 CA31 DA03 EA06
Claims (5)
又はその酸素酸塩を含み、更にＭｏ、Ｗ、Ｖ、Ｔｉの酸
素酸及び／又はその酸素酸塩を含有するｐＨ１．０〜
５．０の水溶液を特徴とする金属表面処理剤。1. An alkaline earth metal, an oxygen acid of phosphorus and / or
Or a oxyacid salt of Mo, W, V, Ti and / or a oxyacid salt thereof, and
A metal surface treatment agent characterized by an aqueous solution of 5.0.
ａ、Ｓｒの１種又は２種以上であり、含有量の合計が
０．１〜１０．０ｇ／Ｌであることを特徴とする請求項
１の金属表面処理剤。2. The method according to claim 1, wherein the alkaline earth metal is Mg, Ca, B
The metal surface treating agent according to claim 1, wherein one or more of a and Sr are contained, and the total content is 0.1 to 10.0 g / L.
ン酸、亜リン酸、次亜リン酸の１種又は２種以上であ
り、その含有量の合計が１〜１００ｇ／Ｌであることを
特徴とする請求項１の金属表面処理剤。3. The oxyacid of phosphorus is one or more of orthophosphoric acid, condensed phosphoric acid, phosphorous acid, and hypophosphorous acid, and the total content thereof is 1 to 100 g / L. The metal surface treating agent according to claim 1, wherein
又はその酸素酸塩が１種又は２種以上であり、その含有
量の合計が０．１〜５０ｇ／Ｌであることを特徴とする
請求項１の金属表面処理剤。4. An oxygen acid of Mo, W, V, Ti and / or
The metal surface treating agent according to claim 1, wherein the oxyacid salt is one or more kinds, and the total content thereof is 0.1 to 50 g / L.
の浸漬処理又は電流密度０．１〜３０Ａ／ｄｍ２で１〜
３６０秒の陰極電解処理することを特徴とする金属表面
処理剤。5. The treatment liquid according to claim 1, wherein the immersion treatment is performed for 1 to 600 seconds or the current density is 0.1 to 30 A / dm 2 .
A metal surface treatment agent characterized by performing cathodic electrolysis treatment for 360 seconds.
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|---|---|---|---|
| JP2001131249A JP5300113B2 (en) | 2001-04-27 | 2001-04-27 | Metal surface treatment agent, metal surface treatment method using metal surface treatment agent, and iron component subjected to surface treatment |
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| JP5300113B2 JP5300113B2 (en) | 2013-09-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396903A (en) * | 2013-07-24 | 2013-11-20 | 惠晶显示科技（苏州）有限公司 | Nondestructive cleaning liquid for cleaning TFT (thin film transistor) substrates and application method thereof |
| JP2014084500A (en) * | 2012-10-24 | 2014-05-12 | Knowledge Management Technology Co Ltd | Method of treating surface of magnesium or magnesium alloy, acid cleaning agent, conversion treatment agent and conversion-treated structure of magnesium or magnesium alloy |
| US8999077B2 (en) | 2009-04-09 | 2015-04-07 | Murata Co., Ltd. | Chemical conversion treatment liquid, method of producing the same, and method of forming conversion layer |
| CN105542538A (en) * | 2016-03-04 | 2016-05-04 | 广西民族大学 | Special anti-rust phosphate pigment for waterborne coating and preparation method of pigment |
| CN110904489A (en) * | 2019-12-03 | 2020-03-24 | 天津理工大学 | Micro-arc oxidation electrolyte for preparing high-corrosion-resistance coating on surface of low-carbon steel and preparation method and application thereof |
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| JP5300113B2 (en) | 2013-09-25 |
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