JPH02159384A - Stainless steel sheet for coating and coating steel sheet - Google Patents
Stainless steel sheet for coating and coating steel sheetInfo
- Publication number
- JPH02159384A JPH02159384A JP31537288A JP31537288A JPH02159384A JP H02159384 A JPH02159384 A JP H02159384A JP 31537288 A JP31537288 A JP 31537288A JP 31537288 A JP31537288 A JP 31537288A JP H02159384 A JPH02159384 A JP H02159384A
- Authority
- JP
- Japan
- Prior art keywords
- stainless steel
- steel sheet
- paint
- coating
- adhesion
- 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
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 44
- 239000010935 stainless steel Substances 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 title claims description 9
- 239000010959 steel Substances 0.000 title claims description 9
- 238000000576 coating method Methods 0.000 title abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 25
- 229920005989 resin Polymers 0.000 claims abstract description 25
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000010422 painting Methods 0.000 claims description 7
- 239000003973 paint Substances 0.000 abstract description 21
- 229920000178 Acrylic resin Polymers 0.000 abstract description 5
- 239000004925 Acrylic resin Substances 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000049 pigment Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004566 building material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 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
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C22/73—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 characterised by the process
- C23C22/74—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 characterised by the process for obtaining burned-in conversion coatings
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、塗装用ステンレス鋼板および塗装鋼板に関す
る。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a stainless steel plate for painting and a painted steel plate.
〈従来の技術〉
ステンレス鋼板は、耐食性に優れかつ表面が美麗なので
建材、キッチンウェア、電気器具用品等の広い用途に使
用されている。<Prior Art> Stainless steel sheets have excellent corrosion resistance and a beautiful surface, so they are used in a wide range of applications such as building materials, kitchenware, and electrical appliances.
しかし、近年ステンレス鋼板に塗装して、塗料の中に種
々の顔料を含有させ種々の色を出し意匠性を高め、ると
ともに、下地のステンレスの耐食性を生かし、耐久性を
高めたフッ素樹脂等の塗装ステンレス鋼板が建材の内装
材あるいは外装材を中心に普及しつつある。However, in recent years, coatings on stainless steel sheets have been made to contain various pigments in the paint to produce various colors and enhance the design, as well as to take advantage of the corrosion resistance of the underlying stainless steel and to increase durability. Painted stainless steel sheets are becoming popular mainly for interior and exterior building materials.
〈発明が解決しようとする課題〉
しかし、このような塗装ステンレス鋼は種々の複雑な加
工が施される場合が多いが、その際加工が厳しく施され
た箇所で塗料が剥離しやすい等の問題があり、そのため
加工の厳しい用途にはその使用が限定されていた。 こ
のような塗料の剥離は塗料と下地ステンレスとの密着性
が劣るため生ずるものであり、そのため塗料とステンレ
スとの密着性を向上せしめる方法が待望されていた。<Problem to be solved by the invention> However, such coated stainless steel is often subjected to various complicated processing, and there are problems such as the paint easily peeling off in areas where the processing is severe. Therefore, its use was limited to applications that required severe processing. Such peeling of the paint occurs due to poor adhesion between the paint and the underlying stainless steel, and there has been a long-awaited method for improving the adhesion between the paint and the stainless steel.
このような塗料とステンレスとの密着性向上方法として
、ステンレンの前処理方法が検討され、ステンレス表面
にクロメート処理を施す（特開昭５７−１６１０６９号
、同５７−１６１０７０号）などが提案されているが、
塗料とステンレスとの密着性が向上するものの未だ加工
の厳しい用途には実用に供するまでに至っていないのが
現状である。As a method for improving the adhesion between paint and stainless steel, pretreatment methods for stainless steel have been studied, and proposals have been made such as applying chromate treatment to the surface of stainless steel (Japanese Patent Laid-Open Nos. 57-161069 and 57-161070). There are, but
Although it improves the adhesion between paint and stainless steel, it has not yet been put to practical use in applications that require severe processing.
本発明はこのような状況に鑑みなされたもので、塗料と
ステンレス鋼との密着性を改善し、厳しい加工が施され
ても塗料の剥離が生じない安価な塗装用ステンレス鋼板
および塗装鋼板を提供するものである。The present invention was made in view of the above circumstances, and provides an inexpensive stainless steel plate for painting and a painted steel plate that improves the adhesion between paint and stainless steel and does not cause peeling of paint even when subjected to severe processing. It is something to do.
く課題を解決するための手段〉
本発明は、ステンレス鋼板に、１〜４０１ｉ量％のクロ
メートを含有する樹脂コーティング剤が乾燥重量で０．
１〜５ ｇ ／ ｍ ２被覆されていることを特徴とす
る塗装用ステンレス鋼板を提供するものである。Means for Solving the Problems> The present invention provides a stainless steel plate coated with a resin coating agent containing 1 to 401i% of chromate on a dry weight basis.
The present invention provides a stainless steel plate for painting characterized by being coated with a coating of 1 to 5 g/m2.
ここで、樹脂コーティング剤の樹脂がアクリル樹脂であ
るのがよい。Here, the resin of the resin coating agent is preferably an acrylic resin.
本発明はまた、塗装用鋼板上に樹脂が被覆されている塗
装鋼板を提供するものである。The present invention also provides a painted steel sheet in which the painted steel sheet is coated with a resin.
ここで、前記樹脂がフッ素樹脂であるのがよい。Here, it is preferable that the resin is a fluororesin.
以下、本発明を更に詳細に説明する。The present invention will be explained in more detail below.
本願の骨子は、ステンレス鋼板の前処理としてクロメー
トを含有した樹脂コーティング剤をステンレス鋼板表面
に被覆する点である。 樹脂中に含まれるクロメートは
１％未満ではステンレスと樹脂との密着性が劣り、また
４０％を超えると樹脂コーティング剤皮膜が茶色ぼくな
り、クリア塗装などの用途に供し得なくなるのでクロメ
ート含有率を１〜４０％に限定する。The gist of the present application is to coat the surface of a stainless steel plate with a resin coating agent containing chromate as a pretreatment of the stainless steel plate. If the chromate contained in the resin is less than 1%, the adhesion between the stainless steel and the resin will be poor, and if it exceeds 40%, the resin coating will become brownish and cannot be used for purposes such as clear painting. Limited to 1-40%.
また、クロメートを含有する樹脂コーティング剤の厚み
は、０．１ｇ／ｍ”未満になるとステンレスと塗料との
密着性が劣るようになり、また一方、５ ｇ ／ ｍ
’を超えると樹脂クロメート皮膜が茶色ぼくなり、クリ
ア塗装などの用途に供し得なくなるので、樹脂コーティ
ング剤の目付量を乾燥重量で０．１〜５ｇ／ｍ２に限定
する。In addition, if the thickness of the resin coating agent containing chromate is less than 0.1 g/m'', the adhesion between the stainless steel and the paint will be poor;
If it exceeds ', the resin chromate film becomes brownish and cannot be used for purposes such as clear coating, so the basis weight of the resin coating agent is limited to 0.1 to 5 g/m2 in terms of dry weight.
樹脂コーティング剤中の樹脂としては、アクリル系樹脂
、エポキシ系樹脂等の樹脂があるが、いずれもステンレ
スと塗料との密着性の向上をもたらす、 しかし、密
着度の点からアクリル系樹脂が好適である。There are resins such as acrylic resins and epoxy resins in resin coating agents, but both improve the adhesion between stainless steel and paint.However, acrylic resins are preferable from the viewpoint of adhesion. be.
樹脂コーティング剤のステンレス面への塗布方法として
は、ロールコーティング、スプレーカーテンフロータイ
ブ、刷毛塗りがあるが、いずれの方法であってもよい。Methods for applying the resin coating agent to the stainless steel surface include roll coating, spray curtain flow type, and brush coating, and any method may be used.
また、樹脂コーティング剤をステンレス面に塗布し、そ
の後乾燥させるが、乾燥温度は５０〜２５０℃の温度域
が望ましい。Further, a resin coating agent is applied to a stainless steel surface and then dried, and the drying temperature is preferably in the range of 50 to 250°C.
ステンレス鋼は、オーステナイト系およびフェライト系
ステンレスに大別されるが、ステンレス表面に樹脂クロ
メート皮膜を形成せしめればステンレスと塗料との密着
性は鋼種によって変らず良好であるので本発明では特に
限定しない。Stainless steel is broadly classified into austenitic stainless steel and ferritic stainless steel, but if a resin chromate film is formed on the surface of the stainless steel, the adhesion between the stainless steel and the paint will be good regardless of the steel type, so the present invention does not specifically limit it. .
このように前処理して得られた塗装用鋼板には樹脂が塗
装されて塗装ステンレス鋼板として用いられる。 塗装
する樹脂としては、フッ素樹脂、アクリル−シリコン樹
脂、アクリル樹脂、エポキシ樹脂、ポリエステル樹脂、
塩化ビニール樹脂、ウレタン樹脂 などを挙げることが
でき、この塗装方法は任意である。The steel sheet for painting obtained by pretreatment in this manner is coated with a resin and used as a painted stainless steel sheet. Resins to be painted include fluororesin, acrylic-silicon resin, acrylic resin, epoxy resin, polyester resin,
Examples include vinyl chloride resin and urethane resin, and this coating method is optional.
この樹脂に任意の顔料を添加しておくことができる。Any pigment can be added to this resin.
〈実施例〉 以下、本発明を実施例について具体的に述べる。<Example> Hereinafter, the present invention will be specifically described with reference to examples.
５ＵＳ３０４のＢＡ材およびヘアライン材を用い、表１
に示す塗装前処理を行ない、その後ロールコータ−にて
２０μｍのフッ素樹脂をコーティングし、１９０℃ｘｊ
ｍＪｍの※２燥を施し塗装ステンレス鋼板を作成した。Using BA material and hairline material of 5US304, Table 1
Perform the pre-painting treatment shown in , then coat with 20 μm of fluororesin using a roll coater, and heat at 190°C
A coated stainless steel plate was prepared by drying at mJm*2.
比較例として表１に示すクロメート処理および前処理
を施さない鋼板を用いた。As a comparative example, a steel plate shown in Table 1 that was not subjected to chromate treatment or pretreatment was used.
これらの塗装ステンレス鋼板に対してＪＩＳに５４００
に規定されているとばん目試験およびごばん目エリクセ
ン試験を行ない、テープ剥離テストで密着性の良否を判
定した（１次ｖＥ着性）、 また、２次密着性の試験と
して導水４０ｈｒ漫潰後ごばん目試験およびとばん目エ
リクセン試験を行なフた。 その結果を表２に示す。JIS 5400 for these coated stainless steel plates.
The cross-mesh test and the cross-mesh Erichsen test specified in I completed the second-row test and the second-row Eriksen test. The results are shown in Table 2.
比較例では１次密着および２次密着テストのいずれでも
密着性が低いのに対し、本発明例では、ＢＡ材およびヘ
アライン材ともに２次密着テストでのごばん目エリクセ
ンテストにおいても不良がなく、良好な密着性を呈する
ことがわかる。In the comparative example, adhesion was low in both the primary adhesion test and the secondary adhesion test, whereas in the inventive example, both the BA material and the hairline material had no defects even in the second adhesion test in the Erichsen test. It can be seen that good adhesion is exhibited.
表１
ステンレス鋼板前処理方法
〈発明の効果〉
以上詳述したように、本発明によれば塗料とステンレス
表面との密着性を従来法のそれに比べ著しく向上せしめ
得るので、建材等の過酷な加工にも耐え、幅広い用途に
も適用し得る。Table 1 Stainless steel plate pre-treatment method <Effects of the invention> As detailed above, according to the present invention, the adhesion between the paint and the stainless steel surface can be significantly improved compared to that of the conventional method. It is durable and can be applied to a wide range of applications.
Claims (2)
を含有する樹脂コーティング剤が乾燥重量で０．１〜５
ｇ／ｍ＾２被覆されていることを特徴とする塗装用ステ
ンレス鋼板。(1) A resin coating agent containing 1 to 40% by weight of chromate is applied to a stainless steel plate by a dry weight of 0.1 to 5%.
A stainless steel plate for painting characterized by being coated with g/m^2.
ている塗装鋼板。(2) A painted steel plate comprising the painted steel plate according to claim 1 coated with a resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31537288A JPH02159384A (en) | 1988-12-14 | 1988-12-14 | Stainless steel sheet for coating and coating steel sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31537288A JPH02159384A (en) | 1988-12-14 | 1988-12-14 | Stainless steel sheet for coating and coating steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02159384A true JPH02159384A (en) | 1990-06-19 |
Family
ID=18064615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31537288A Pending JPH02159384A (en) | 1988-12-14 | 1988-12-14 | Stainless steel sheet for coating and coating steel sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02159384A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60215771A (en) * | 1984-04-10 | 1985-10-29 | Nishiyama Stainless Chem Kk | Method and agent for passivation treatment of corrosion resistant alloy |
| JPS62182283A (en) * | 1986-02-07 | 1987-08-10 | Nippon Parkerizing Co Ltd | Surface treating solution for stainless steel |
| JPS62225570A (en) * | 1986-03-27 | 1987-10-03 | Nippon Paint Co Ltd | Primer composition for metal material and coating thereof |
-
1988
- 1988-12-14 JP JP31537288A patent/JPH02159384A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60215771A (en) * | 1984-04-10 | 1985-10-29 | Nishiyama Stainless Chem Kk | Method and agent for passivation treatment of corrosion resistant alloy |
| JPS62182283A (en) * | 1986-02-07 | 1987-08-10 | Nippon Parkerizing Co Ltd | Surface treating solution for stainless steel |
| JPS62225570A (en) * | 1986-03-27 | 1987-10-03 | Nippon Paint Co Ltd | Primer composition for metal material and coating thereof |
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