JPH02140294A - Steel plate having surface subjected to blackening-resistant treatment and blackening-resistant treatment - Google Patents
Steel plate having surface subjected to blackening-resistant treatment and blackening-resistant treatmentInfo
- Publication number
- JPH02140294A JPH02140294A JP63292948A JP29294888A JPH02140294A JP H02140294 A JPH02140294 A JP H02140294A JP 63292948 A JP63292948 A JP 63292948A JP 29294888 A JP29294888 A JP 29294888A JP H02140294 A JPH02140294 A JP H02140294A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- blackening
- steel sheet
- treated
- montan wax
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 239000012170 montan wax Substances 0.000 claims abstract description 22
- 239000000839 emulsion Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 18
- 238000000576 coating method Methods 0.000 abstract description 18
- 239000010408 film Substances 0.000 abstract description 18
- 230000007797 corrosion Effects 0.000 abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 14
- 239000001993 wax Substances 0.000 abstract description 14
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003995 emulsifying agent Substances 0.000 abstract description 4
- 239000004094 surface-active agent Substances 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 229910001297 Zn alloy Inorganic materials 0.000 abstract 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 9
- 239000008397 galvanized steel Substances 0.000 description 9
- 238000005461 lubrication Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 1
- 235000010919 Copernicia prunifera Nutrition 0.000 description 1
- 244000180278 Copernicia prunifera Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Lubricants (AREA)
Abstract
Description
【発明の詳細な説明】
童栗上■剋朋分野
本発明は、耐黒変化表面処理鋼板及び表面処理鋼板の耐
黒変化処理方法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a blackening-resistant surface-treated steel sheet and a method for treating a surface-treated steel sheet to resist blackening.
ｌ米■肢血
亜鉛めっき鋼板や亜鉛合金めっき鋼板等の表面処理鋼板
は、種々の部品や製品への製造の過程において、プレス
加工を受けることが多い。かかるプレス加工においては
、例えば、亜鉛めっき鋼板は、プレス油を鋼板の表面に
塗布して、プレス加工性が高められる。しかし、かかる
方法によれば、プレス加工において、油の飛散等によっ
て、作業環境の悪化や公害問題等の発生が避けられない
。BACKGROUND OF THE INVENTION Surface-treated steel sheets such as galvanized steel sheets and zinc alloy-plated steel sheets are often subjected to press working during the manufacturing process into various parts and products. In such press working, for example, the press workability of a galvanized steel sheet is improved by applying press oil to the surface of the steel sheet. However, according to this method, deterioration of the working environment and occurrence of pollution problems due to oil scattering etc. during press working cannot be avoided.
そこで、従来、プレス油を用いることなしに、プレス加
工し得る鋼板の表面処理方法が種々提案されている。か
かる方法としては、例えば、ミルボンド被膜を形成する
方法、ワックス状の潤滑剤を塗布する方法、有機樹脂に
固体潤滑剤を混合した樹脂タイプの被膜にて処理する方
法、ワックス被膜を形成させる方法等を挙げることがで
きる。Therefore, various surface treatment methods have been proposed for steel sheets that can be press-formed without using press oil. Such methods include, for example, a method of forming a mil-bond film, a method of applying a wax-like lubricant, a method of treating with a resin-type film made by mixing an organic resin with a solid lubricant, a method of forming a wax film, etc. can be mentioned.
しかしながら、従来のかかる方法は、多くの欠点を有す
る。ミルボンド被膜やワックス状の潤滑剤を塗布した亜
鉛めっき鋼板は、耐食性が著しく悪く、更に、加工後に
鋼板の表面に油状のべとつきを残さないように、脱脂を
行なうこと必要である。有機樹脂タイプの被膜処理は、
通常、処理費用が高く、更に、良好なプレス性や耐食性
を得るには、被膜を厚くすることが必要である。However, such conventional methods have a number of drawbacks. Galvanized steel sheets coated with a Milbond coating or wax-like lubricant have extremely poor corrosion resistance, and furthermore, it is necessary to degrease the surface of the steel sheet after processing to prevent oily stickiness from remaining on the surface. Organic resin type coating treatment is
Processing costs are usually high, and furthermore, it is necessary to thicken the coating in order to obtain good pressability and corrosion resistance.
他方、ワックス被膜処理は、一般に、処理費用が低廉で
あって、しかも、潤滑性能にすぐれる。On the other hand, wax coating treatment is generally inexpensive and has excellent lubrication performance.
しかし、従来のパラフィン系やカルナウバ系のワックス
エマルジョン等を亜鉛めっき鋼板に塗布し、乾燥して、
形成させたワックス被膜は、連続プレス加工の際に、金
型の温度上昇によって軟化し、潤滑性能が低下するので
、ワックス被膜と共に下層の亜鉛めっきが剥離し、ワッ
クスと亜鉛とが混練されて、黒色化する。即ち、黒変す
る。この黒変物質は、プレス金型に付着して、プレスし
た部品や製品に黒色の汚れを生じ、しがも、この汚れは
、脱脂によっては除去することができないので、製品価
値を著しく低減させる。However, conventional paraffin-based or carnauba-based wax emulsions are applied to galvanized steel sheets and dried.
During continuous press processing, the formed wax film softens due to the rise in temperature of the mold and its lubricating performance decreases, so the underlying zinc plating peels off along with the wax film, and the wax and zinc are kneaded together. Turns black. That is, it turns black. This blackening substance adheres to press molds and causes black stains on pressed parts and products. However, this stain cannot be removed by degreasing, significantly reducing product value. .
軟化点の高いポリエチレン系のワックスを用いる被膜処
理を行なっても、被膜の潤滑性能や密着性が十分でない
ために、前述したと同様に、被膜の剥離が起こり、同様
に、黒変が発生する。また、被膜が剥離しやすいので、
加工後の耐食性も十分でない。Even if a coating treatment is performed using a polyethylene wax with a high softening point, the lubrication performance and adhesion of the coating are insufficient, resulting in peeling of the coating and blackening as described above. . In addition, the coating is easy to peel off, so
Corrosion resistance after processing is also insufficient.
■が”° しようとするｉ
本発明は、特に、上記したような従来の亜鉛めつき鋼板
等の表面処理鋼板のプレス加工における黒変の問題を解
決するためになされたものであって、加工後の脱脂を必
要とせず、しかも薄膜でもすぐだ潤滑性能を有し、更に
、プレス加工において黒変が発生せず、加工後の耐食性
にもすぐれる耐黒変化処理表面処理鋼板、及びかかる表
面処理鋼板の耐黒変化処理方法を提供することを目的と
する。The present invention has been made in particular to solve the problem of blackening in the press working of conventional surface-treated steel sheets such as galvanized steel sheets as described above. A blackening-resistant surface-treated steel sheet that does not require subsequent degreasing, has immediate lubrication performance even with a thin film, does not cause blackening during press working, and has excellent corrosion resistance after working, and such a surface. The object of the present invention is to provide a method for treating a treated steel sheet to prevent blackening.
皆 を”°するための
本発明りよる耐黒変化表面処理鋼板は、表面にモンタン
ワツクス酸化物の被膜が形成されていることを特徴とす
る。The anti-blackening surface-treated steel sheet according to the present invention is characterized in that a montan wax oxide film is formed on the surface.
また、かかる耐黒変化表面処理鋼板は、本発明に従って
、表面処理鋼板の表面にモンタンワツクス酸化物のエマ
ルジョンを塗布し、乾燥させて、上記被膜を形成させる
ことを特徴とする。Further, such a blackening-resistant surface-treated steel sheet is characterized in that, according to the present invention, an emulsion of montan wax oxide is applied to the surface of the surface-treated steel sheet and dried to form the above-mentioned film.
本発明において、表面処理鋼板には、亜鉛めっき鋼板、
亜鉛合金めっき鋼板、及びかかる表面処理鋼板にクロメ
ート処理やケイ酸塩処理を施した鋼板をも含むものとす
る。以下、これらを単に亜鉛めっき鋼板又は表面処理鋼
板と称することがある。In the present invention, the surface-treated steel sheet includes a galvanized steel sheet,
The term also includes zinc alloy-plated steel sheets and steel sheets in which such surface-treated steel sheets are subjected to chromate treatment or silicate treatment. Hereinafter, these may be simply referred to as galvanized steel sheets or surface-treated steel sheets.
従来、一般に、ワックスのエマルジョン化には、乳化剤
や界面活性剤が用いられるが、本発明においては、乳化
剤や界面活性剤に代えて、アルカリを用いて、モンタン
ワツクス酸化物を水に分散させて、エマルジョンを得る
ことが好ましい。また、かかるモンタンワツクス酸化物
のエマルジョンは市販品として入手することができる。Conventionally, emulsifiers and surfactants are generally used to emulsify wax, but in the present invention, instead of emulsifiers and surfactants, an alkali is used to disperse montan wax oxide in water. It is preferable to obtain an emulsion. Moreover, such an emulsion of montan wax oxide can be obtained as a commercial product.
通常、固形分濃度は２〜２０重量％である。Usually, the solids concentration is 2 to 20% by weight.
本発明において、表面処理鋼板の表面へのモンタンワツ
クス酸化物の付着量は、０．１〜２ｇ／ｒ４の範囲が適
当である。モンタンワツクス酸化物の付着量が０．１ｇ
／ｎｆよりも少ないときは、プレス加工における被膜の
潤滑性能と耐食性能が低く、他方、付着量が２ｇ／ｎｆ
を越えるときは、プレス加工において、被膜の剥離量が
増大するため、却って潤滑性能が低下する。In the present invention, the amount of montan wax oxide deposited on the surface of the surface-treated steel sheet is suitably in the range of 0.1 to 2 g/r4. The amount of Montan wax oxide attached is 0.1g.
/nf, the lubrication performance and corrosion resistance of the coating during press working are low, and on the other hand, the adhesion amount is 2g/nf.
When the value exceeds 100, the amount of peeling of the film increases during press working, and the lubrication performance deteriorates on the contrary.
本発明に従って、表面処理鋼板の表面に形成したモンタ
ンワツクス酸化物の被膜は、鋼板の表面との密着性がよ
く、且つ、硬く、緻密である。また、モンタンワツクス
酸化物の軟化点は約８０°Ｃ以上であって、比較的高い
ので、被膜形成後の鋼板温度が１２０°Ｃに達しても、
殆どべとつきや垂れのような好ましくない現象が起こら
ず、潤滑性能の低下がない。According to the present invention, the montan wax oxide film formed on the surface of the surface-treated steel sheet has good adhesion to the surface of the steel sheet, and is hard and dense. In addition, the softening point of montan wax oxide is approximately 80°C or higher, which is relatively high, so even if the steel sheet temperature reaches 120°C after film formation,
Almost no undesirable phenomena such as stickiness or dripping occur, and there is no deterioration in lubrication performance.
従って、かかるモンタンワツクス酸化物の被膜を形成し
た表面処理鋼板は、プレス加工において、被膜が剥離し
難く、擦り傷や型かじりの発生が非常に少ないために、
黒変が発生しない。しかも、プレス加工後は、その被膜
によって、耐食性が高い。Therefore, the surface-treated steel sheet on which the montan wax oxide film is formed is difficult to peel off during press working, and there are very few occurrences of scratches or mold galling.
No blackening occurs. Moreover, after press working, the film has high corrosion resistance.
更に、従来のよう番こ、ワックスのエマルジョン化に際
して、乳化剤や界面活性剤を用いるときは、これらの親
水性性質によって被膜の濡れ性が高くなり、ワックスの
有する撥水機能が低下して、鋼板の耐食性を悪化させる
が、しかし、本発明に従って、アルカリにてモンタンワ
ツクス酸化物をエマルジョン化して用いることによって
、ワックスの撥水機能を保持させることができ、耐食性
の高い耐黒変化処理表面処理鋼板を得ることができる。Furthermore, when emulsifiers and surfactants are used in conventional emulsification of wax, the hydrophilic properties of these agents increase the wettability of the film, reducing the water repellency of the wax and causing the steel sheet to become wet. However, according to the present invention, by emulsifying montan wax oxide with alkali, the water repellent function of the wax can be maintained, and the anti-blackening treatment surface treatment has high corrosion resistance. You can get steel plates.
尤皿■四来
以上のように、本発明による耐黒変化表面処理鋼板は、
表面にモンタンワツクス酸化物の被膜を有し、かかる被
膜は薄膜であっても、すぐれた潤滑性能を有し、プレス
加工性にすぐれると共に、プレス加工において、黒変を
生じず、しかも、脱脂が不必要であって、プレス加工後
の耐食性にもすぐれる。As mentioned above, the blackening resistant surface treated steel sheet according to the present invention has
It has a film of montan wax oxide on its surface, and even if it is a thin film, it has excellent lubrication performance, has excellent press workability, and does not cause blackening during press work. No degreasing is required, and corrosion resistance after press working is excellent.
従って、本発明によって耐黒変化処理した亜鉛めっき鋼
板は、特に高い潤滑性とプレス加工性とが要求され、し
かも、加工後に塗装なしにて用いられる用途、例えば、
家電製品の底板や内部のモーターカバー等に好適である
。Therefore, the galvanized steel sheet treated with anti-blackening treatment according to the present invention is required to have particularly high lubricity and press workability, and is used in applications where it is used without painting after processing, for example.
Suitable for bottom plates of home appliances, internal motor covers, etc.
実施炎
以下に実施例を挙げて本発明を説明するが、本発明はこ
れら実施例により何ら限定されるものではない。EXAMPLES The present invention will be explained below with reference to Examples, but the present invention is not limited to these Examples in any way.
実施例１
クロメート処理を施した電気亜鉛めっき鋼板（亜鉛付着
量２０ｇ／ｎｆ（片面）、クロム付着量１３■／ホ（片
面））にケイ酸塩処理を施し、これを原板として、その
表面にモンタンワツクス酸化物のエマルジョンをロール
絞り装置にて塗布し、８０°Ｃで２分間乾燥させて、０
．２５ｇ／ボのモンタンワツクス酸化物被膜を形成させ
た。Example 1 A chromate-treated electrogalvanized steel sheet (zinc coating amount: 20 g/nf (one side), chromium coating amount: 13 g/nf (one side)) was subjected to silicate treatment, and this was used as a base plate. An emulsion of Montan wax oxide was applied using a roll squeezing device, dried at 80°C for 2 minutes, and then
．． A montan wax oxide coating of 25 g/bo was formed.
この鋼板の円筒深絞り試験結果と摩擦係数、黒変汚れ発
生加圧力及び耐食性を第１表に示す。Table 1 shows the cylindrical deep drawing test results, friction coefficient, blackening stain generation pressure, and corrosion resistance of this steel plate.
尚、第１表において、限界絞り比は、ブランク径１００
ｍｍ、ポンチ径５０朧にて単一素板法にて求めた。動摩
擦係数は、加圧力１５０ｋｇにおいて摺動試験を行なっ
て求めた。黒変汚れ発生圧力は、ドロービード試験装置
において、加圧力を変化させて、黒変汚れが発生した加
圧力にて示す。耐食性は、ＪＩＳ Ｚ ２３７１による
塩水噴霧試験において、白錆が１％光発生るまでの時間
にて評価した。エリクセンは、エリクセン押出し６ ｍ
ｍ後の結果にて示す。In addition, in Table 1, the limit drawing ratio is the blank diameter of 100
It was determined by the single blank method with a punch diameter of 50 mm and a punch diameter of 50 mm. The dynamic friction coefficient was determined by performing a sliding test at a pressing force of 150 kg. The pressure at which blackening stains occur is expressed as the pressure at which blackening stains occur by changing the pressing force in a drawbead testing device. Corrosion resistance was evaluated in a salt spray test according to JIS Z 2371 based on the time required for 1% white rust to appear. Erichsen, Erichsen extrusion 6 m
The results are shown after m.
比較のために、モンタンワツクス酸化物のエマルジョン
に代えて、カルナウバワックス、バラ７イン系ワックス
及びポリエチレン系ワックスのエマルジョンをそれぞれ
用いたときの結果を第１表に併せて示す。For comparison, Table 1 also shows the results obtained when emulsions of carnauba wax, rose 7ine wax, and polyethylene wax were used in place of the montan wax oxide emulsion.
第１表に示す結果から、本発明による耐黒変化処理亜鉛
めっき鋼板は、すぐれた潤滑性能を有すると共に、加圧
力２．３ｔでの摺動においても黒変が発生せず、且つ、
耐食性は、平板及びエリクセン押出後の塩水噴霧試験に
おいて、比較材やケイ酸塩処理材に比べて、大幅に向上
していることが明らかである。From the results shown in Table 1, the blackening-resistant galvanized steel sheet according to the present invention has excellent lubrication performance, does not cause blackening even when sliding at a pressure of 2.3 t, and
It is clear that the corrosion resistance is significantly improved in the salt spray tests after flat plate and Erichsen extrusion compared to the comparative materials and the silicate treated materials.
実施例２
クロメート処理を施した電気亜鉛めっき鋼板（亜鉛付着
量２０ｇ／ｒｒ？（片面）、クロム付着量１３■／ｒｒ
ｆ （片面））を原板として、その表面に実施例１同じ
モンタンワツクス酸化物のエマルジョンをロール絞り装
置にて塗布し、８０°Ｃで２分間乾燥させて、０．２５
ｇ／ｎ（のモンタンワツクス酸化物被膜を形成させた。Example 2 Electrogalvanized steel sheet subjected to chromate treatment (zinc coating amount 20 g/rr? (one side), chromium coating amount 13 g/rr
f (single side)) was used as an original plate, and the same montan wax oxide emulsion as in Example 1 was applied to the surface using a roll drawing device, and dried at 80°C for 2 minutes to obtain a 0.25
A montan wax oxide film of g/n was formed.
比較のために、フッ素系潤滑剤を含有する水性エポキシ
樹脂エマルジョンを上記と同じクロメ−ト処理を施した
電気亜鉛めっき鋼板に塗布し、樹脂付着量０．２５ｇ／
ｒｒｒ及び１．０ｇ／ｎ（の樹脂被膜処理鋼板をそれぞ
れ作製した。For comparison, a water-based epoxy resin emulsion containing a fluorine-based lubricant was applied to an electrogalvanized steel sheet that had undergone the same chromate treatment as above, and the amount of resin deposited was 0.25 g/
Resin-coated steel plates of rrr and 1.0 g/n were prepared, respectively.
これらモンタンワツクス酸化物被膜処理鋼板と樹脂被膜
処理鋼板について、実施例１と同じ試験を行なった。結
果を第２表に示す。The same tests as in Example 1 were conducted on these Montan wax oxide coated steel sheets and resin coated steel sheets. The results are shown in Table 2.
この結果から明らかなように、本発明による耐黒変化処
理鋼板は、付着量を同じとした樹脂被膜処理鋼板に比べ
て、潤滑性能及び耐食性にすぐれている。特に、耐食性
については、付着ｉｉ ０．２５ｇ／ｒｄとした本発明
による処理鋼板は、樹脂付着量１ｇ／ｎｆの樹脂被膜処
理鋼板と同等の性能を有している。As is clear from these results, the blackening-resistant steel sheet according to the present invention has superior lubrication performance and corrosion resistance compared to the resin film-treated steel sheet with the same coating amount. In particular, regarding corrosion resistance, the steel sheet treated according to the present invention with an adhesion ii of 0.25 g/rd has the same performance as the steel sheet treated with a resin coating with a resin adhesion amount of 1 g/nf.
特許出願人 株式会社神戸製鋼所 代理人 弁理士 牧 野 逸 部Patent applicant: Kobe Steel, Ltd. Agent Patent Attorney Itsu Makino
Claims (2)
被膜が形成されていることを特徴とする耐黒変化表面処
理鋼板。(1) A blackening-resistant surface-treated steel sheet, characterized in that a film of montan wax oxide is formed on the surface of the surface-treated steel sheet.
エマルジョンを塗布し、乾燥させて、上記酸化物の被膜
を形成させることを特徴とする表面処理鋼板の耐黒変化
処理方法。(2) A method for anti-blackening treatment of a surface-treated steel sheet, which comprises applying an emulsion of montan wax oxide to the surface of the surface-treated steel sheet and drying it to form a film of the oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292948A JPH0819433B2 (en) | 1988-11-18 | 1988-11-18 | Black-resistant surface-treated steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63292948A JPH0819433B2 (en) | 1988-11-18 | 1988-11-18 | Black-resistant surface-treated steel sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02140294A true JPH02140294A (en) | 1990-05-29 |
| JPH0819433B2 JPH0819433B2 (en) | 1996-02-28 |
Family
ID=17788494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63292948A Expired - Lifetime JPH0819433B2 (en) | 1988-11-18 | 1988-11-18 | Black-resistant surface-treated steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0819433B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393605A (en) * | 1991-12-12 | 1995-02-28 | Nkk Corporation | Zinciferous plated steel sheet excellent in press-formability and corrosion resistance |
| JP2014200831A (en) * | 2013-04-08 | 2014-10-27 | 株式会社神戸製鋼所 | Method for detecting abnormality of cold molding die |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6390596A (en) * | 1986-10-03 | 1988-04-21 | Teikoku Carbon Kogyo Kk | Production of solid lubricant for pantograph sliding plate |
| JPS63108098A (en) * | 1986-10-24 | 1988-05-12 | Kyodo Yushi Kk | Heavy load resistant grease composition |
| JPS63265996A (en) * | 1987-04-23 | 1988-11-02 | Nippon Denso Co Ltd | Lubricant composition for die casting |
-
1988
- 1988-11-18 JP JP63292948A patent/JPH0819433B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6390596A (en) * | 1986-10-03 | 1988-04-21 | Teikoku Carbon Kogyo Kk | Production of solid lubricant for pantograph sliding plate |
| JPS63108098A (en) * | 1986-10-24 | 1988-05-12 | Kyodo Yushi Kk | Heavy load resistant grease composition |
| JPS63265996A (en) * | 1987-04-23 | 1988-11-02 | Nippon Denso Co Ltd | Lubricant composition for die casting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393605A (en) * | 1991-12-12 | 1995-02-28 | Nkk Corporation | Zinciferous plated steel sheet excellent in press-formability and corrosion resistance |
| JP2014200831A (en) * | 2013-04-08 | 2014-10-27 | 株式会社神戸製鋼所 | Method for detecting abnormality of cold molding die |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0819433B2 (en) | 1996-02-28 |
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