JP3540655B2 - Titanium zinc alloy plate - Google Patents
Titanium zinc alloy plate Download PDFInfo
- Publication number
- JP3540655B2 JP3540655B2 JP03753799A JP3753799A JP3540655B2 JP 3540655 B2 JP3540655 B2 JP 3540655B2 JP 03753799 A JP03753799 A JP 03753799A JP 3753799 A JP3753799 A JP 3753799A JP 3540655 B2 JP3540655 B2 JP 3540655B2
- Authority
- JP
- Japan
- Prior art keywords
- zinc alloy
- titanium
- alloy plate
- coating
- substrate
- 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.)
- Expired - Lifetime
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- Chemical Treatment Of Metals (AREA)
Description
【０００１】
【発明の属する技術分野】
この発明は、屋根葺き材や建物の屋外設備製品等の形成に用いて有用な建築関係用のチタン亜鉛合金板に関する。
【０００２】
【従来の技術】
屋根葺き材は、周囲の環境や建物の形状にマッチしているという要求を満たすだけではなく、常に直射日光と風雨に曝される過酷な条件で使用されるため、この屋根葺き材の形成に金属板を用いる場合、上記のような過酷な条件をクリアすることのできる材質と構造の選択が必要である。
【０００３】
従来の金属板を用いた屋根葺き材として、両面に化成皮膜処理を施し、その上にそれぞれ塗装を施したチタン亜鉛合金板が、過酷な条件をクリアすることのできるものとして多用されている。
【０００４】
このチタン亜鉛合金板の具体的な構造は、純度の高い亜鉛に少量のチタンと銅を加えた基板の両面に化成皮膜処理を施し、表面側は化成皮膜処理の上にフッソ樹脂塗装又はポリエステル樹脂塗装と裏面側にポリエステル樹脂塗装を施したものであり、化成皮膜処理は人工緑青の生成により、表面の変化及び色調の経時変化を少なくし、表面の塗装により、色調の安定と基板の長期耐久性を実現し、裏面の塗装が熱水腐食の防止を行い、これにより、屋根葺き材に要求される条件をクリアしている。
【０００５】
ところで、屋根葺き材としては、折り曲げ加工程度であるが、建物の屋外設備製品等の形成には深絞り加工やロールホーミング加工が要求される。
【０００６】
【発明が解決しようとする課題】
しかしながら、上記チタン亜鉛合金板の性質は深絞り加工に適さず、深絞り加工を施すと表面及び裏面の樹脂塗装が剥離してしまうことになり、また、ロールホーミング加工では、電食の発生で加工が容易に実施することができず、建物の屋外設備製品等の形成に用いることができないという問題がある。
【０００７】
そこで、この発明の課題は、深絞り加工を施しても表面及び裏面の樹脂塗装の剥離の発生がなく、ロールホーミング加工も容易に実施でき、建物の屋外設備製品等の形成が可能なチタン亜鉛合金板を提供することにある。
【０００８】
【課題を解決するための手段】
上記のような課題を解決するため、請求項１の発明は、両面に化成皮膜処理を施し、その上にそれぞれ塗装を施したチタン亜鉛合金板において、塗装の表面に透明のトップコート層を設けた構成を採用したものである。
【０００９】
【発明の実施の形態】
以下、この発明の実施の形態を図示例と共に説明する。
【００１０】
図示のように、この発明のチタン亜鉛合金板１は、純度の高い亜鉛に、それぞれ１％程度の少量のチタンと銅を加えて所定の板厚に成形された基板２の両面に化成皮膜処理３、３を施し、表面側は化成皮膜処理３の上に下塗層４を介してフッソ樹脂塗装又はポリエステル樹脂塗装５と、裏面側は化成皮膜処理３の上に下塗層６を介してにポリエステル樹脂塗装７を施し、上記両塗装５と７の表面に透明のトップコート層８、８を設けた構造になっている。
【００１１】
上記基板２の両面に施した化成皮膜処理３、３は、該基板２の表面に対し、硫酸と硝酸の混合物を使用して酸洗いを施した処理層であり、人工緑青を生成させると共に、基板２の表面の変化及び色調の経時変化を少なくしている。
【００１２】
また、表面側のフッソ樹脂塗装又はポリエステル樹脂塗装５は、色調を付ける目的と基板２の長期耐久性を付与するための処理であり、裏面側のポリエステル樹脂塗装７は、基板の熱水腐食を防止する役目をする。
【００１３】
上記両塗装５と７の表面に施したトップコート層８、８は、例えばポリエステル系の透明な塗料を用い、このトップコート層８、８は、両塗装５と７の保護と共にプレス加工時の剥離発生を防ぎ、かつ、ロールホーミング加工時の電食の発生を防ぐ役目をするものであり、このトップコート層８、８を設けることにより、プレス加工時の摩擦の発生を少なくして加工性をよくし、チタン亜鉛合金板１はプレスによる深絞り加工を施しても両塗装の剥離発生はない。
【００１４】
また、ロールホーミング加工時にロールとの間での電食の発生がないため、通常の鋼板と同様にロールホーミング加工を施すことができる。
【００１５】
従って、この発明のチタン亜鉛合金板１は、屋根葺き材としてだけでなく、建物の屋外設備製品等の形成に広く使用できる。屋外設備製品としては、樋や樋の集合枡等を例示することができ、これらの製品に対して各種模様の打ち出しも可能になる。
【００１６】
【発明の効果】
以上のように、この発明によると、両面に化成皮膜処理を施し、その上にそれぞれ塗装を施したチタン亜鉛合金板において、塗装の表面に透明のトップコート層を設けたので、このトップコート層が両塗装の保護と共に加工時の剥離発生を防ぐ役目をし、チタン亜鉛合金板を深絞り加工しても両塗装の剥離発生はなく、さらに、ロールホーミング加工時のロールとの間の電食の発生もなくなるので、チタン亜鉛合金板を屋根葺き材としてだけでなく、建物の屋外設備製品等の形成に使用でき、チタン亜鉛合金板の優れた特徴を生かした新たな製品の提供が可能になる。
【図面の簡単な説明】
【図１】この発明のチタン亜鉛合金板を示す一部切り欠き平面図
【図２】この発明のチタン亜鉛合金板を示す拡大縦断面
【符号の説明】
１ チタン亜鉛合金板
２ 基板
３ 化成皮膜処理
４ 下塗層
５ ポリエステル樹脂塗装
６ 下塗層
７ ポリエステル樹脂塗装
８ トップコート層[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE
[0002]
[Prior art]
Roofing materials not only meet the requirements of the surrounding environment and the shape of the building, but also are used under severe conditions that are always exposed to direct sunlight and wind and rain. When a metal plate is used, it is necessary to select a material and a structure capable of satisfying the above severe conditions.
[0003]
As a roofing material using a conventional metal plate, a titanium-zinc alloy plate that has been subjected to a chemical conversion treatment on both surfaces and then coated thereon has been widely used as a material capable of meeting severe conditions.
[0004]
The specific structure of this titanium-zinc alloy plate is that chemical conversion treatment is applied to both surfaces of a substrate made by adding a small amount of titanium and copper to high-purity zinc, and the surface side is coated with fluorine resin or polyester resin The coating and the polyester resin coating on the back side are applied.The chemical conversion treatment reduces the change of surface and color over time by the formation of artificial patina, and the surface coating ensures color stability and long-term durability of the substrate. The coating on the back surface prevents hot water corrosion, thereby meeting the requirements for roofing materials.
[0005]
By the way, as a roofing material, a bending process is required, but a deep drawing process and a roll homing process are required for forming outdoor equipment products of a building.
[0006]
[Problems to be solved by the invention]
However, the properties of the titanium-zinc alloy plate are not suitable for deep drawing, and when deep drawing is performed, the resin coating on the front and back surfaces is peeled off.In roll homing, electric corrosion is generated. There is a problem that the processing cannot be easily carried out and cannot be used for forming outdoor equipment products or the like of a building.
[0007]
Therefore, an object of the present invention is to provide a titanium zinc zinc alloy that does not cause peeling of the resin coating on the front surface and the back surface even when subjected to deep drawing, can easily carry out roll homing, and can be used to form outdoor equipment products for buildings. An object of the present invention is to provide an alloy plate.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the invention of
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0010]
As shown in the figure, a titanium-
[0011]
Chemical
[0012]
In addition, the fluororesin coating or
[0013]
The
[0014]
Further, since there is no occurrence of electrolytic corrosion between the rolls during roll homing, roll homing can be performed in the same manner as a normal steel plate.
[0015]
Therefore, the titanium-
[0016]
【The invention's effect】
As described above, according to the present invention, a conversion coating treatment is performed on both surfaces, and a transparent top coat layer is provided on the surface of the coating in the titanium-zinc alloy plate coated thereon. Plays a role in protecting both coatings and preventing the occurrence of peeling during processing. Even when deep drawing of a titanium zinc alloy sheet, there is no peeling of both coatings, and furthermore, electrolytic corrosion between rolls during roll homing processing Since titanium-zinc alloy sheets can be eliminated, they can be used not only as roofing materials but also for building outdoor equipment, etc., making it possible to provide new products that take advantage of the excellent features of titanium-zinc alloy sheets. Become.
[Brief description of the drawings]
FIG. 1 is a partially cutaway plan view showing a titanium-zinc alloy plate of the present invention. FIG. 2 is an enlarged vertical section showing a titanium-zinc alloy plate of the present invention.
DESCRIPTION OF
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03753799A JP3540655B2 (en) | 1999-02-16 | 1999-02-16 | Titanium zinc alloy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03753799A JP3540655B2 (en) | 1999-02-16 | 1999-02-16 | Titanium zinc alloy plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000239858A JP2000239858A (en) | 2000-09-05 |
| JP3540655B2 true JP3540655B2 (en) | 2004-07-07 |
Family
ID=12500287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03753799A Expired - Lifetime JP3540655B2 (en) | 1999-02-16 | 1999-02-16 | Titanium zinc alloy plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3540655B2 (en) |
-
1999
- 1999-02-16 JP JP03753799A patent/JP3540655B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000239858A (en) | 2000-09-05 |
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