JPH01268898A - Method for preventing corrosion of automobile body and automotive parts - Google Patents
Method for preventing corrosion of automobile body and automotive partsInfo
- Publication number
- JPH01268898A JPH01268898A JP2340488A JP2340488A JPH01268898A JP H01268898 A JPH01268898 A JP H01268898A JP 2340488 A JP2340488 A JP 2340488A JP 2340488 A JP2340488 A JP 2340488A JP H01268898 A JPH01268898 A JP H01268898A
- Authority
- JP
- Japan
- Prior art keywords
- paint
- parts
- coated
- corrosion
- automobile body
- 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.)
- Pending
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 12
- 230000007797 corrosion Effects 0.000 title abstract description 9
- 239000003973 paint Substances 0.000 claims abstract description 37
- 238000004070 electrodeposition Methods 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims abstract description 4
- 238000005238 degreasing Methods 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005536 corrosion prevention Methods 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 23
- 239000011248 coating agent Substances 0.000 abstract description 22
- 239000011347 resin Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 5
- 239000000049 pigment Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 2
- 230000003449 preventive effect Effects 0.000 abstract 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 3
- 229910000165 zinc phosphate Inorganic materials 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- GGCILSXUAHLDMF-CQSZACIVSA-N 2-[[2-[(3r)-3-aminopiperidin-1-yl]-5-bromo-6-oxopyrimidin-1-yl]methyl]benzonitrile Chemical compound C1[C@H](N)CCCN1C1=NC=C(Br)C(=O)N1CC1=CC=CC=C1C#N GGCILSXUAHLDMF-CQSZACIVSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- -1 alkyl silicates Chemical class 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- XMYLSWOTJKUSHE-UHFFFAOYSA-N cyanamide;lead Chemical compound [Pb].NC#N XMYLSWOTJKUSHE-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- NVKTUNLPFJHLCG-UHFFFAOYSA-N strontium chromate Chemical compound [Sr+2].[O-][Cr]([O-])(=O)=O NVKTUNLPFJHLCG-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】 本発明は自動車車体及びその部品の防食方法に関する。[Detailed description of the invention] The present invention relates to a method for preventing corrosion of an automobile body and its parts.
従来、自動車車体及びその部品（以下、「車体」と略称
することもある）を電着塗装するに先立って、その表面
をリン酸亜鉛やリン酸鉄などでいわゆる化学的前処理を
一般に行なっている。これは、車体と電着塗膜との密着
性や防食性などの向とを目的としている。しかし、この
化学的前処理の工程は、主として、スプレー水洗−表面
調整一化学的前処理一スプレー水洗−ディップ水洗−水
洗−水切乾燥からなっており、工程が極めて煩雑で、占
有面積も太きく、しかも廃水処理も必要となる。Conventionally, before applying electrodeposition coating to automobile bodies and their parts (hereinafter sometimes abbreviated as ``car bodies''), the surfaces are generally subjected to so-called chemical pretreatment with zinc phosphate, iron phosphate, etc. There is. This is intended to improve the adhesion and corrosion resistance between the car body and the electrodeposited coating. However, this chemical pretreatment process mainly consists of spray rinsing, surface conditioning, chemical pretreatment, spray rinsing, dip rinsing, rinsing, and draining and drying, making the process extremely complicated and occupying a large area. Moreover, wastewater treatment is also required.
本発明の目的は、工程が煩雑な化学的前処理を行なうこ
となく、密着性、防食性のすぐれた車体の塗装法に関し
、その特徴は防食性導電性塗料を塗装しておくところに
ある。The object of the present invention is to provide a coating method for car bodies with excellent adhesion and anti-corrosion properties without the need for complicated chemical pre-treatments.The feature of the present invention is that an anti-corrosion conductive paint is applied beforehand.
すなわち、本発明は、自動車車体及びその部品を必要に
応じてその表面を脱脂後、化学的前処理することなく、
導電性防食塗料を塗装してから。That is, the present invention degreases the surface of an automobile body and its parts as necessary, and then degreases the surface thereof without chemical pretreatment.
After applying conductive anti-corrosion paint.
次いで電着塗料を塗装することを特徴とする自動車車体
及びその部品の防食方法に関する。The present invention relates to a method for preventing corrosion of an automobile body and its parts, which is characterized by applying an electrodeposition paint.
本発明における導電性防食塗料は、電着塗装に先立って
、化学的前処理を行なっていない車体に塗装する塗料で
あって、導電性粉末、防食顔料および塗料用樹脂を主成
分とする塗料である。導電性粉末としては例えばカーボ
ンブラック、カーボンファイバー、アルミニウムコート
ファイバー、り０
アルミニウム、ステンレス、ニッケル、Φラファイト、
銅、亜鉛などの繊維状、粒状もしくは粉状があげられる
、防錆顔料には、例えば、亜鉛末、ラム、ストロンチウ
ムクロメート、シアナミド鉛、塩基性クロム酸鉛、塩基
性硫酸鉛、リン酸亜鉛、リン酸カルシウム、リン酸アル
ミニウム、モリブデン酸亜鉛、雲母状酸化鉄などがあげ
られる。塗料用樹脂には、エポキシ樹脂、ポリアミド樹
脂、フェノール樹脂などの有機系、アルキルシリケート
、アルカリシリケートなどの無機系が好適に用いられる
。これらの各成分はそれぞれから１種もしくは２種以上
選択することができる。The conductive anticorrosive paint in the present invention is a paint that is applied to a car body that has not undergone chemical pretreatment prior to electrodeposition coating, and is a paint whose main components are conductive powder, anticorrosive pigment, and paint resin. be. Examples of conductive powders include carbon black, carbon fiber, aluminum coated fiber, aluminum, stainless steel, nickel, Φraffite,
Examples of rust-preventive pigments in the form of fibers, granules, or powders such as copper and zinc include zinc powder, rum, strontium chromate, lead cyanamide, basic lead chromate, basic lead sulfate, zinc phosphate, Examples include calcium phosphate, aluminum phosphate, zinc molybdate, and micaceous iron oxide. As the paint resin, organic resins such as epoxy resins, polyamide resins, and phenol resins, and inorganic resins such as alkyl silicates and alkali silicates are preferably used. One or more types of these components can be selected from each of them.
この導電性防食塗料は化学的前処理を行なっていない車
体の表面に塗装するものであって、該塗料による塗面に
は次工程で電着塗料が塗装されるので、該導電性防食塗
料による塗膜は導電性を有し、かつ防食性もすぐれてい
ることが必要である。導電性は上記の導電性材料を配合
することによって付与され、その配合量は、該塗面に電
着塗装が形成できる程度の導電性を有する範囲であれば
よく、具体的には該塗膜の体積固有抵抗値が３０℃−２
０Ｖで１ｏ１３Ωｅｃｍ以下になることが好ましい、ま
た、防食性向上のために、防食顔料を配合するが、その
配合量は任意に選択でき、塗料用樹脂（硬化剤も含む）
１００重量部あたり、０〜２０．０００重量部が適して
いる。これらの各成分を有機溶剤および（または）水に
溶解もしくは分散させることによって、導電性防食塗料
が得られる１本発明では、特に、防食性と導電性とを併
せもつ亜鉛末を多量（硬化塗膜中の体積含有率で８０〜
９９％）配合した、いわゆるジンクリッチペイントを使
用することが好ましい。This conductive anti-corrosion paint is applied to the surface of the car body that has not undergone chemical pre-treatment, and since the surface coated with this paint will be coated with electrodeposition paint in the next step, the conductive anti-corrosion paint will The coating film needs to have electrical conductivity and excellent anti-corrosion properties. Conductivity is imparted by blending the above-mentioned conductive material, and the blending amount may be within a range that has enough conductivity to form an electrodeposition coating on the coating surface, specifically, the coating film. The volume resistivity value of 30℃-2
It is preferable that the value is 1 o 13 Ωecm or less at 0 V.Also, in order to improve corrosion resistance, an anti-corrosive pigment is blended, but the blending amount can be arbitrarily selected.
0 to 20.000 parts by weight per 100 parts by weight is suitable. By dissolving or dispersing each of these components in an organic solvent and/or water, an electrically conductive anticorrosive paint can be obtained. Volume content in the film is 80~
It is preferable to use so-called zinc-rich paints containing 99%).
車体は必要に応じて脱脂しておくことが好ましく、次い
で、化成処理することなく、導電性防食塗料を該車体に
塗装する。該車体への導電性防食塗料の塗装は、スプレ
ー塗装、刷毛塗装、浸漬塗装（９着法ではない）、静電
塗装などで行なわれ、その部位は目的に応じて任意に選
択でき、塗装置ＩＩ厚は特に制限されないが、平坦部を
基準に、硬化塗膜に基いて約１０〜約３００舊の範囲が
好ましい、塗膜の硬化は成分によって任意に選択され、
室温もしくは加熱によって行なわれる。The car body is preferably degreased if necessary, and then a conductive anticorrosive paint is applied to the car body without chemical conversion treatment. The conductive anti-corrosion paint is applied to the car body by spray painting, brush painting, dipping painting (not the 9-coat method), electrostatic painting, etc. The area to be applied can be selected arbitrarily depending on the purpose, and the coating location can be II thickness is not particularly limited, but it is preferably in the range of about 10 to about 300 mm based on the cured coating film based on the flat part, the curing of the coating film is arbitrarily selected depending on the components,
It is carried out at room temperature or by heating.
次に、導電性防食塗料で塗装した車体に、電着塗料を塗
装する。電着塗装にあたり、導電性防食塗料の塗面は硬
化もしくは未硬化のいずれでもさしつかえない、電着塗
料としては従来公知のものが使用でき、例えばマレイン
化油系、ポリブタジェン系、エポキシエステル系などの
アニオン型電着塗料、エポキシ系、アクリル系、ウレタ
ン系などのカチオン型電着塗料があげられる。電着塗装
はすでに公知の方法で行なうことができ、例えば車体を
電着塗料浴中に浸漬し、通電してから、引上げ、水洗後
、適宜加熱して塗膜を硬化する。塗装膜厚は平坦部でｌ
Ｏ〜３５ＩＬ（硬化塗膜）が好ましい。Next, an electrodeposition paint is applied to the car body that has been painted with the conductive anticorrosive paint. For electrodeposition coating, the coated surface of the conductive anticorrosion paint can be cured or uncured. Conventionally known electrodeposition paints can be used, such as maleated oil-based, polybutadiene-based, epoxy ester-based, etc. Examples include anionic electrodeposition paints and cationic electrodeposition paints such as epoxy, acrylic, and urethane paints. Electrodeposition coating can be carried out by a known method, for example, the car body is immersed in an electrodeposition paint bath, energized, pulled up, washed with water, and heated appropriately to harden the coating film. The coating film thickness is l on the flat part.
O to 35IL (cured coating film) is preferred.
本発明の方法における導電性防食塗料の塗装工程は前記
化学的前処理工程に比べて極めて簡便であるので工程が
短縮されると共に占有面積が狭くてすみ、廃水処理装置
も不要であり、公害防止性もすぐれ、さらに、耐チッピ
ング性、耐スキャブ性も改良できた。仕上がり外観も良
好であった。The process of applying the conductive anti-corrosion paint in the method of the present invention is extremely simple compared to the chemical pretreatment process, so the process is shortened and the area occupied is small, and waste water treatment equipment is not required, thereby preventing pollution. In addition, chipping resistance and scab resistance were also improved. The finished appearance was also good.
実施例１
清浄に脱脂した軟鋼板（大きさ２０Ｘ１０ＸＯ、８ｃｍ
）にエポキシ樹脂系ジンクリッチペイント（関西ペイン
ト株製、商品名、「エポキシジンクＰＡＪ ）を硬化膜
厚が２５ＪＬになるようにスプレー塗装し、８０℃で３
０分加熱により硬化させてから、該塗面にエポキシ樹脂
系カチオン電着塗料（関西ペイント株制、「ニレクロン
陥。Example 1 Clean and degreased mild steel plate (size 20X10XO, 8cm
) was spray-painted with epoxy resin-based zinc-rich paint (manufactured by Kansai Paint Co., Ltd., trade name: "Epoxy Zinc PAJ") to a cured film thickness of 25 JL, and heated at 80°C for 30 minutes.
After curing by heating for 0 minutes, apply an epoxy resin-based cationic electrodeposition paint (Kansai Paint Co., Ltd., "Nirekron Kai") to the painted surface.
９４００グレー」）を常法により、硬化塗膜に基いて２
０ｇ（平坦部）になるように塗装し、１７０℃で３０分
加熱し硬化させた。9400 Gray'') by a conventional method, based on the cured coating film.
It was coated to a weight of 0 g (flat area) and cured by heating at 170° C. for 30 minutes.
実施例？
上記実施例１のエポキシ系ジンクリッチペイントをアル
カリシリケート系水性無機ジンクリッチ塗料（関西ペイ
ン［１製、商品名、ＳＤジンクプライマーＺＥＮｏ、２
５００）に代えた以外は実施例１と同じ。Example? The epoxy-based zinc-rich paint of Example 1 was replaced with an alkali-silicate-based water-based inorganic zinc-rich paint (manufactured by Kansai Pain [1, trade name, SD Zinc Primer ZENo, 2).
The same as in Example 1 except that 500) was replaced.
比較例
上記軟鋼板をリン酸亜鉛化成処理し、次いでニレクロン
陥、９４００を電Ｍ塗装し［膜厚：２０ｐ（硬化塗膜）
］シ、１７０℃で３０分加熱し硬化させた。Comparative Example The above mild steel plate was subjected to zinc phosphate chemical conversion treatment, and then subjected to Nireclone recessing and 9400 electromagnetic coating [film thickness: 20p (cured coating film)]
], and was cured by heating at 170° C. for 30 minutes.
上記実施例および比較例で得た塗板を用いて塗膜性能試
験を行なった。その結果を第１表に示した。A coating film performance test was conducted using the coated plates obtained in the above Examples and Comparative Examples. The results are shown in Table 1.
第１表 試験方法 ツルトスプレー性：１０４０時間後の塗面状態。Table 1 Test method Tsuruto sprayability: Coated surface condition after 1040 hours.
Ｏ：全く異常なし
Δ：錆の発生少し
Ｘ：著しく錆発生
海浜ばくろ：１＠浜地区に６ケ月ばくろ後の塗面状態、
平坦部にはあらかじめ素地に達するクロスカットを入れ
た。0: No abnormality at all Δ: Slight rust occurrence
In the flat part, a cross cut was made in advance to reach the base material.
Ｏ：全く異常なし
Δ：錆少し発生
×：著しく錆発生
塗面平滑性：目視判定
Ｏ：良好
付着性：ゴバン目テープテスト
Ｏ：良好
耐スキャブ性＝４０℃の温水に１２０時間浸漬し、次い
で２０℃で４時間乾燥したのも６号砕石３００ｇを４Ｋ
ｇ／ｃ−ｍでチッピング（直線カットも併用）せしめた
塗板について、［５％食塩水（３０°Ｃ）に２時間浸漬
→−２０℃で１時間放置→屋外で４５時間暴Ｍ］を週３
回行なって、これをエサイクルとじて、１２サイクル実
施した後の塗面状態（特にサビ、フクレなどについて）
を調べた。O: No abnormality Δ: Slight occurrence of rust ×: Significant rust Coating surface smoothness: Visual judgment O: Good adhesion: Vertical tape test O: Good scab resistance = Immersed in warm water at 40°C for 120 hours, then 300g of No. 6 crushed stone was dried at 20℃ for 4 hours at 4K.
The coated plates that were chipped (also straight cut) at g/cm were subjected to [soaking in 5% saline (30°C) for 2 hours → leaving at -20°C for 1 hour → exposure outdoors for 45 hours] for a week. 3
The state of the painted surface after 12 cycles (especially regarding rust, blisters, etc.)
I looked into it.
Ｏ：良好 Δ：サビ、フクレ少し発生O: Good Δ: Slight rust and blistering
Claims (1)
てから、化成処理することなく、導電性防食塗料を塗装
し、次いで電着塗料を塗装することを特徴とする自動車
体及びその部品の防食方法。Automotive bodies and parts are characterized in that after degreasing the surfaces of the car bodies and parts as necessary, the surfaces are coated with conductive anti-corrosion paint without chemical conversion treatment, and then with electrodeposition paint. Corrosion prevention method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2340488A JPH01268898A (en) | 1987-12-23 | 1988-02-03 | Method for preventing corrosion of automobile body and automotive parts |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32602287 | 1987-12-23 | ||
| JP62-326022 | 1987-12-23 | ||
| JP2340488A JPH01268898A (en) | 1987-12-23 | 1988-02-03 | Method for preventing corrosion of automobile body and automotive parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01268898A true JPH01268898A (en) | 1989-10-26 |
Family
ID=26360754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2340488A Pending JPH01268898A (en) | 1987-12-23 | 1988-02-03 | Method for preventing corrosion of automobile body and automotive parts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01268898A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886668B2 (en) | 2002-07-30 | 2005-05-03 | Honeywell International Inc. | Coated carbon brake disc materials |
| JP2010100910A (en) * | 2008-10-24 | 2010-05-06 | Nisshin Steel Co Ltd | Electrodeposition-coated steel sheet |
-
1988
- 1988-02-03 JP JP2340488A patent/JPH01268898A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6886668B2 (en) | 2002-07-30 | 2005-05-03 | Honeywell International Inc. | Coated carbon brake disc materials |
| JP2010100910A (en) * | 2008-10-24 | 2010-05-06 | Nisshin Steel Co Ltd | Electrodeposition-coated steel sheet |
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