JPH052740B2 - - Google Patents
Info
- Publication number
- JPH052740B2 JPH052740B2 JP63323864A JP32386488A JPH052740B2 JP H052740 B2 JPH052740 B2 JP H052740B2 JP 63323864 A JP63323864 A JP 63323864A JP 32386488 A JP32386488 A JP 32386488A JP H052740 B2 JPH052740 B2 JP H052740B2
- Authority
- JP
- Japan
- Prior art keywords
- titanium
- titanium alloy
- weight
- solution
- surface treatment
- 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 - Fee Related
Links
- 239000010936 titanium Substances 0.000 claims description 64
- 229910052719 titanium Inorganic materials 0.000 claims description 64
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 62
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 36
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 15
- 238000004381 surface treatment Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 230000002378 acidificating effect Effects 0.000 claims description 13
- 235000003270 potassium fluoride Nutrition 0.000 claims description 13
- 239000011698 potassium fluoride Substances 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000243 solution Substances 0.000 description 27
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NGDKRMFLHXCGMU-UHFFFAOYSA-Q hexaazanium;borate;phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[O-]B([O-])[O-].[O-]P([O-])([O-])=O NGDKRMFLHXCGMU-UHFFFAOYSA-Q 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
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)
- Chemical Treatment Of Metals (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はチタンまたはチタン合金の表面に着色
被膜を形成する表面処理方法及び表面にパターン
形成する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a surface treatment method for forming a colored film on the surface of titanium or a titanium alloy, and a method for forming a pattern on the surface.
従来チタンまたはチタン合金の着色法として、
陽極酸化法及びフツ化水素酸水溶液に浸漬処理す
る方法（特公昭58−23469）が知られている。陽
極酸化法はホウ酸アンモニウムリン酸等の電解液
をエチレングリコール等の溶媒に加えた溶液にチ
タンまたはチタン合金を浸漬し、定電圧電解して
その表面に着色被膜を形成する方法である。
Conventional methods for coloring titanium or titanium alloys include:
Anodic oxidation method and method of immersion treatment in hydrofluoric acid aqueous solution (Japanese Patent Publication No. 58-23469) are known. The anodic oxidation method is a method in which titanium or a titanium alloy is immersed in a solution prepared by adding an electrolytic solution such as ammonium borate phosphate to a solvent such as ethylene glycol, and electrolysis is performed at a constant voltage to form a colored film on the surface.
また、フツ化水素酸水溶液に浸漬処理する方法
は、予め表面を洗浄化したチタンをフツ化水素１
重量パーセント以下、作業上の安全性等の点から
好ましくは0.5重量％以下の低濃度のフツ化水素
酸水溶液中に短時間浸漬することにより、チタン
の表面に黒色被膜を形成する方法である。 In addition, in the method of immersing titanium in a hydrofluoric acid aqueous solution, titanium whose surface has been cleaned in advance is
This is a method of forming a black film on the surface of titanium by immersing it in a hydrofluoric acid aqueous solution with a low concentration of less than 0.5% by weight, preferably 0.5% by weight or less from the viewpoint of operational safety.
ところが、上述した陽極酸化法ではチタンまた
はチタン合金の表面に種々な色彩の着色被膜が形
成可能であるにもかかわらず、黒色の被膜は得ら
れていない。また、電解を行うための装置が必要
である。
However, although colored films of various colors can be formed on the surface of titanium or titanium alloy by the above-mentioned anodic oxidation method, a black film has not been obtained. Additionally, equipment for performing electrolysis is required.
浸漬処理する方法では処理液にフツ化水素を用
いているが、この薬剤は毒性が大変強く、刺激臭
を有しているために取扱いが危険であり、法規上
毒物に指定されている。また、作業上の安全性等
の点からフツ化水素の濃度が0.5重量％以下のフ
ツ化水素酸水溶液を用いることが好ましいとされ
ているが、濃度が低過ぎるために処理液の劣化変
動が激しく、その結果処理液の耐久性が乏しくな
り実用化する上で問題となつている。 The immersion treatment method uses hydrogen fluoride as the treatment solution, but this chemical is highly toxic and has a pungent odor, making it dangerous to handle and legally designated as a poisonous substance. In addition, from the viewpoint of work safety, it is said that it is preferable to use a hydrofluoric acid aqueous solution with a hydrogen fluoride concentration of 0.5% by weight or less, but because the concentration is too low, deterioration fluctuations of the processing solution may occur. As a result, the durability of the treatment liquid becomes poor, which poses a problem for practical use.
本発明は斯かる事情に鑑みてなされたものであ
り、チタンまたはチタン合金の表面に着色被膜を
形成させるための処理液としてホウフツ化水素酸
溶液または酸性フツ化カリウム溶液を用いること
により、作業上の安全性が向上し、しかも容易に
均質な黒褐色若しくは黒色の被膜が得られるチタ
ンまたはチタン合金の表面処理方法と該方法を利
用して得られる黒褐色若しくは黒色を基調とした
チタンまたチタン合金のパターンの形成方法と表
面に前記パターンが形成されたチタン材またはチ
タン合金材とを提供することを目的とする。 The present invention has been made in view of the above circumstances, and by using a hydroborofluoric acid solution or an acidic potassium fluoride solution as a treatment liquid for forming a colored film on the surface of titanium or titanium alloy, it is possible to improve the workability. A method for surface treatment of titanium or titanium alloy, which improves safety and easily obtains a homogeneous dark brown or black coating, and a pattern of titanium or titanium alloy with a dark brown or black tone obtained using the method. It is an object of the present invention to provide a method for forming a titanium material or a titanium alloy material having the pattern formed on its surface.
本発明に斯かるチタンまたはチタン合金の表面
処理方法は、処理液と反応させて、その表面に着
色被膜を形成するチタンまたはチタン合金の表面
処理方法において、前記処理液にホウフツ化水素
酸溶液または酸性フツ化カリウム溶液を用いるこ
とを特徴とし、好ましくは前記ホウフツ化水素酸
溶液の濃度を0.5〜15重量％とし、前記酸性フツ
化カリウム溶液の濃度を0.05〜10重量％とする。
そして、チタンまたはチタン合金のパターン形成
方法は、チタンまたはチタン合金の表面にレジス
トインキを用いて所定パターンを形成し、レジス
トインキ非形成部分に請求項１記載の表面処理を
行い、次いで前記レジストインキを除去すること
を特徴とし、前記パターン形成方法により形成さ
れた着色被膜を表面に有するチタン材またはチタ
ン合金材が得られることを特徴とする。
The surface treatment method for titanium or titanium alloy according to the present invention is a method for surface treatment of titanium or titanium alloy in which a colored film is formed on the surface of the titanium or titanium alloy by reacting with a treatment liquid, in which a hydroborofluoric acid solution or a titanium alloy is added to the treatment liquid. It is characterized in that an acidic potassium fluoride solution is used, preferably the concentration of the hydroborofluoric acid solution is 0.5 to 15% by weight, and the concentration of the acidic potassium fluoride solution is 0.05 to 10% by weight.
The pattern forming method for titanium or titanium alloy includes forming a predetermined pattern on the surface of titanium or titanium alloy using resist ink, performing the surface treatment according to claim 1 on the portion where resist ink is not formed, and then applying the resist ink to the surface of titanium or titanium alloy. The method is characterized in that a titanium material or a titanium alloy material having a colored film formed by the pattern forming method on its surface is obtained.
本発明のチタンまたはチタン合金表面処理方法
にあつてはチタンまたはチタン合金の表面に着色
被膜を形成するための処理液としてホウフツ化水
素酸溶液または酸性フツ化カリウム溶液を好まし
くは前者を0.5〜15重量％、後者を0.05〜10重量
％を用いるので、安全で容易に均質な黒褐色また
は黒色の被膜が得られる。また、チタンまたはチ
タン合金の表面にレジストインキをパターン状に
印刷し、レジストインキ非形成部分に上述した処
理液を用いて表面処理を行い、次いで前記レジス
トインキを除去するので、チタンまたはチタン合
金表面に黒褐色または黒色を基調としたパターン
が形成でき、該パターンが形成されたチタン材ま
たはチタン合金材が得られる。
In the titanium or titanium alloy surface treatment method of the present invention, a hydroborofluoric acid solution or an acidic potassium fluoride solution is preferably used as the treatment liquid for forming a colored film on the surface of titanium or titanium alloy. Since the latter is used in an amount of 0.05 to 10% by weight, a homogeneous dark brown or black coating can be obtained safely and easily. In addition, resist ink is printed in a pattern on the surface of titanium or titanium alloy, the areas where resist ink is not formed are surface treated using the above-mentioned treatment liquid, and then the resist ink is removed, so the surface of titanium or titanium alloy is A pattern based on blackish brown or black can be formed on the material, and a titanium material or titanium alloy material on which the pattern is formed can be obtained.
以下本発明方法を具体的に説明する。まず請求
項１，２及び３記載のチタンまたはチタン合金の
表面処理方法について述べる。
The method of the present invention will be specifically explained below. First, the method for surface treatment of titanium or titanium alloy according to claims 1, 2 and 3 will be described.
所定の大きさのチタン板またはチタン合金板の
表面を脱脂、酸洗いして清浄にし、好ましくは
0.5〜15重量％のホウフツ化水素酸または好まし
くは0.05〜10重量％の酸性フツ化水素酸の水溶液
に浸漬温度０℃〜100℃の範囲で浸漬する。そし
て、その状態で２〜３分経過させた後取り出し、
水洗いして乾燥すると、浸漬時間に応じて黒褐色
または黒色の被膜がチタン板またはチタン合金板
の表面に形成される。 The surface of a titanium plate or titanium alloy plate of a predetermined size is cleaned by degreasing and pickling, preferably
It is immersed in an aqueous solution of 0.5 to 15% by weight of hydroborofluoric acid or preferably 0.05 to 10% by weight of acidic hydrofluoric acid at a dipping temperature in the range of 0°C to 100°C. Then, after leaving it in that state for 2 to 3 minutes, take it out.
When washed with water and dried, a dark brown or black coating is formed on the surface of the titanium plate or titanium alloy plate depending on the immersion time.
なお、請求項２記載の本発明方法において処理
液に用いるホウフツ化水素酸の濃度を0.5〜15重
量％の範囲としたのは、0.5重量％以下であると
チタンまたはチタン合金に形成された被膜が発色
しないためであり、15重量％以上であるとチタン
またはチタン合金への酸化被膜の形成速度よりそ
れを溶解する反応速度が速くなるため先にチタン
またはチタン合金が溶解し、黒色被膜は形成され
ない。また請求項３記載の本発明方法において処
理液に用いる酸性フツ化カリウムの濃度を0.05〜
10重量％の範囲としたのは前述と同様の理由であ
り、0.05重量％以下では形成された被膜が発色せ
ず、10重量％以上ではチタンまたはチタン合金と
の溶解反応が生じてしまうためである。 In addition, in the method of the present invention according to claim 2, the concentration of hydroborofluoric acid used in the treatment liquid is in the range of 0.5 to 15% by weight. If it is 15% by weight or more, the reaction rate to dissolve the oxide film on titanium or titanium alloy will be faster than the rate at which it forms, so the titanium or titanium alloy will dissolve first, and a black film will be formed. Not done. Further, in the method of the present invention according to claim 3, the concentration of acidic potassium fluoride used in the treatment solution is 0.05 to 0.05.
The reason for setting the range to 10% by weight is the same as mentioned above; if it is less than 0.05% by weight, the formed film will not develop color, and if it is more than 10% by weight, a dissolution reaction with titanium or titanium alloy will occur. be.
さらに本実施例では形成された被膜が自由に発
色するよう浸漬温度を０℃〜100℃の範囲とした
が、好ましくは20〜40℃の範囲であり、より短時
間でしかも操作上より安全に被膜が形成できる。 Furthermore, in this example, the immersion temperature was set in the range of 0°C to 100°C so that the formed film could develop color freely, but it is preferably in the range of 20 to 40°C, which is faster and safer in operation. A film can be formed.
次に、上述した方法デチタン板に被膜を形成さ
せた２例について述べる。 Next, two examples in which a film was formed on a detitanium plate using the above method will be described.
まず、１例とした処理液に酸性フツ化カリウム
溶液を用いた場合について述べる。２重量％の濃
度酸性フツ化カリウム溶液に15mm×70mm×0.4tの
チタン板を20℃で３分間浸漬する。そして、溶液
からチタン板を取り出し、水洗いした後、乾燥す
る。これによりチタン板に黒色被膜が形成され
る。 First, an example in which an acidic potassium fluoride solution is used as the treatment liquid will be described. A titanium plate measuring 15 mm x 70 mm x 0.4 t is immersed in an acidic potassium fluoride solution with a concentration of 2% by weight at 20°C for 3 minutes. Then, the titanium plate is removed from the solution, washed with water, and then dried. This forms a black film on the titanium plate.
次に他例として処理液にホウフツ化水素酸溶液
を用いた場合について述べる。 Next, as another example, a case will be described in which a hydroborofluoric acid solution is used as the processing liquid.
２重量％の濃度のホウフツ化水素酸溶液に15mm
×70mm×140tのチタン板２枚を20℃で一方は２分
間、他方は３分間浸漬する。そして、溶液から
夫々チタン板を取り出し、水洗いした後乾燥す
る。これにより２分間浸漬したチタン板には黒褐
色の被膜が、３分間浸漬したチタン板には黒色の
被膜が夫々形成される。 15 mm in a 2% by weight hydroborofluoric acid solution.
Two titanium plates measuring 70mm x 140t are immersed at 20°C for 2 minutes and the other for 3 minutes. Then, each titanium plate is taken out from the solution, washed with water, and then dried. As a result, a blackish-brown coating is formed on the titanium plate immersed for 2 minutes, and a black coating is formed on the titanium plate immersed for 3 minutes.
なお、本実施例ではチタン板またはチタン合金
板を浸漬するための処理液として用いるホウフツ
化水素酸溶液または酸性フツ化カリウム溶液の濃
度を前者は0.5〜15重量％の範囲とし、後者は
0.05〜10重量％の範囲としているが、前述した濃
度は好ましい範囲であり、処理液の温度または浸
漬する時間によつて前記範囲外の濃度を用いるこ
とができるのは言うまでもない。 In this example, the concentration of the hydroborofluoric acid solution or acidic potassium fluoride solution used as the treatment liquid for immersing the titanium plate or titanium alloy plate was in the range of 0.5 to 15% by weight for the former, and in the range of 15% by weight for the latter.
Although the range is 0.05 to 10% by weight, the above-mentioned concentration is a preferable range, and it goes without saying that a concentration outside the above range can be used depending on the temperature of the treatment liquid or the immersion time.
さらに、本実施例ではチタンまたはチタン合金
の表面に被膜を形成するため、処理液にチタンま
たはチタン合金を浸漬させているが、これに限る
ものでなく、浸漬の代わりに塗布、噴霧等の手段
を用いてチタンまたはチタン合金の表面に処理液
を付着させ被膜を形成させても良い。 Furthermore, in this example, titanium or titanium alloy is immersed in the treatment liquid in order to form a film on the surface of titanium or titanium alloy, but this is not limiting. The treatment liquid may be applied to the surface of titanium or titanium alloy to form a film.
次に請求項３記載の本発明方法を用い、黒褐色
から黒色を基調にしてチタンまたはチタン合金素
材自身のパターンを形成させ、内装及び外装プレ
ート素材を得る方法について述べる。 Next, a method for obtaining interior and exterior plate materials by forming a pattern of the titanium or titanium alloy material itself using the method of the present invention as defined in claim 3 in a blackish-brown to black color will be described.
まず、パターン形成するようにチタン板または
チタン合金板の表面に耐酸性インキ等のレジスト
インキを印刷した後、レジストインキが印刷され
ていない部分をエツチング処理する。そして、エ
ツチングしたチタンまたはチタン合金の板を0.5
〜15重量％のホウフツ化水素酸溶液または0.05〜
10重量％の酸性フツ化カリウム溶液に０℃〜100
℃の温度で２〜３分間浸漬する。溶液から取り出
して水洗いした後、乾燥させチタン板またはチタ
ン合金板の表面に黒褐色または黒色の被膜を形成
する。次いでレジストインキを除去することによ
り、黒褐色または黒色を基調にしたチタンまたは
チタン合金素材のパターンを形成でき、該パター
ンを表面に有するチタン材またはチタン合金材が
得られる。このチタン材またはチタン合金材は黒
褐色または黒色を基調としたパターンが形成され
ているので美麗でありしかも光反射を防止するこ
とができ、またチタン自身の特性である耐食性に
優れているため、外装材、内装材、装飾品等多く
の用途に用いることができる。 First, a resist ink such as an acid-resistant ink is printed on the surface of a titanium plate or a titanium alloy plate to form a pattern, and then the portions where the resist ink is not printed are etched. Then, etched titanium or titanium alloy plate with 0.5
~15% by weight hydroborofluoric acid solution or 0.05~
10% by weight acidic potassium fluoride solution from 0℃ to 100℃
Soak for 2-3 minutes at a temperature of °C. After taking it out of the solution and washing it with water, it is dried to form a dark brown or black coating on the surface of the titanium plate or titanium alloy plate. Next, by removing the resist ink, a pattern of the titanium or titanium alloy material having a dark brown or black color can be formed, and a titanium material or titanium alloy material having the pattern on the surface can be obtained. This titanium material or titanium alloy material has a pattern based on blackish brown or black, making it beautiful and preventing light reflection.Also, titanium itself has excellent corrosion resistance, so it can be used for exterior decoration. It can be used for many purposes such as materials, interior materials, and decorative items.
以上詳述した如く、本発明に斯かるチタンまた
はチタン合金の表面処理方法にあつては、処理液
として好ましくは0.5〜15重量％の濃度のホウフ
ツ化水素酸溶液または好ましくは0.05〜10重量％
の濃度の酸性フツ化カリウム溶液を用い、これに
チタンまたはチタン合金を浸漬しているので、特
別な装置を用いることなく、容易な操作で、しか
も安全に短時間で黒褐色または黒色の被膜をチタ
ンまたはチタン合金の表面に形成することができ
る。
As detailed above, in the method of surface treatment of titanium or titanium alloy according to the present invention, the treatment liquid is preferably a hydroborofluoric acid solution having a concentration of 0.5 to 15% by weight, or preferably 0.05 to 10% by weight.
Since the titanium or titanium alloy is immersed in an acidic potassium fluoride solution with a concentration of Alternatively, it can be formed on the surface of titanium alloy.
特に本発明で使用するホウフツ化水素酸溶液、
酸性フツ化カリウム溶液は法規上毒物ではないの
で実操業上の取扱いが簡便である。これに伴い処
理液濃度を薄くする必要がないので、処理液の耐
久性にも優れている。 In particular, the hydroborofluoric acid solution used in the invention,
Acidic potassium fluoride solution is not legally considered a poisonous substance, so it is easy to handle in actual operations. Accordingly, since there is no need to reduce the concentration of the processing liquid, the durability of the processing liquid is also excellent.
また、黒褐色または黒色の被膜が形成されたチ
タンまたはチタン合金の外装材は光反射を防止す
る効果がある。そしてチタンまたはチタン合金の
パターン形成方法にあつては、チタンまたはチタ
ン合金の表面にレジストインキを用いて所定パタ
ーンを形成し、レジストインキ非形成部分をエツ
チングして上述した表面処理方法を行い、次いで
レジストインキを除去することにより表面に黒褐
色または黒色を基調とした種々のパターンが形成
でき、該パターンが形成されたチタン材またはチ
タン合金材が得られる。このチタン材またはチタ
ン合金材の表面は黒褐色または黒色を基調とした
パターンが形成されているので美麗であり、しか
もチタン自身の特性である耐食性に優れているた
め、内装材、装飾品等多くの用途に用いることが
できる等本発明は優れた効果を奏する。 Furthermore, the exterior material made of titanium or titanium alloy on which a dark brown or black coating is formed has the effect of preventing light reflection. In the method of forming a pattern on titanium or titanium alloy, a predetermined pattern is formed on the surface of titanium or titanium alloy using resist ink, the portions where the resist ink is not formed are etched, and the above-mentioned surface treatment method is performed. By removing the resist ink, various patterns based on dark brown or black can be formed on the surface, and a titanium material or titanium alloy material on which the patterns are formed can be obtained. The surface of this titanium material or titanium alloy material is beautiful because it has a pattern based on dark brown or black, and titanium itself has excellent corrosion resistance, so it is used in many interior materials, decorations, etc. The present invention has excellent effects such as being able to be used for various purposes.
Claims (1)
形成するチタンまたはチタン合金の表面処理方法
において、前記処理液にホウフツ化水素酸溶液ま
たは酸性フツ化カリウム溶液を用いることを特徴
とするチタンまたはチタン合金の表面処理方法。 ２ 前記ホウフツ化水素酸溶液の濃度を0.5〜15
重量％とすることを特徴とする請求項１記載のチ
タンまたはチタン合金の表面処理方法。 ３ 前記フツ化カリウム溶液の濃度を0.05〜10重
量％とすることを特徴とする請求項１記載のチタ
ンまたはチタン合金の表面処理方法。 ４ チタンまたはチタン合金の表面にレジストイ
ンキを用いて所定パターンを形成し、レジストイ
ンキ非形成部分に請求項１記載の表面処理を行
い、次いで前記レジストインキを除去することを
特徴とするチタンまたはチタン合金のパターン形
成方法。 ５ 請求項４記載のパターン形成方法により形成
された着色被膜を表面に有することを特徴とする
チタン材またはチタン合金材。[Scope of Claims] 1. A method for surface treatment of titanium or titanium alloy in which a colored film is formed on the surface by reaction with a treatment liquid, in which a hydroborofluoric acid solution or an acidic potassium fluoride solution is used as the treatment liquid. A method for surface treatment of titanium or titanium alloy, characterized by: 2 The concentration of the hydroborofluoric acid solution is 0.5 to 15.
2. The method for surface treatment of titanium or titanium alloy according to claim 1, wherein the surface treatment method is expressed in weight percent. 3. The method for surface treatment of titanium or titanium alloy according to claim 1, characterized in that the concentration of the potassium fluoride solution is 0.05 to 10% by weight. 4. Titanium or titanium, characterized in that a predetermined pattern is formed on the surface of titanium or titanium alloy using resist ink, the surface treatment according to claim 1 is performed on the portion where resist ink is not formed, and then the resist ink is removed. Method of forming alloy patterns. 5. A titanium material or titanium alloy material having a colored film formed by the pattern forming method according to claim 4 on its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32386488A JPH02170984A (en) | 1988-12-22 | 1988-12-22 | Surface treatment for titanium or titanium alloy and titanium material or titanium alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32386488A JPH02170984A (en) | 1988-12-22 | 1988-12-22 | Surface treatment for titanium or titanium alloy and titanium material or titanium alloy material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02170984A JPH02170984A (en) | 1990-07-02 |
| JPH052740B2 true JPH052740B2 (en) | 1993-01-13 |
Family
ID=18159442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32386488A Granted JPH02170984A (en) | 1988-12-22 | 1988-12-22 | Surface treatment for titanium or titanium alloy and titanium material or titanium alloy material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02170984A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7375118B1 (en) * | 2022-06-20 | 2023-11-07 | 博康 市川 | How to produce metal products |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352249A (en) * | 1976-10-12 | 1978-05-12 | Toho Titanium Co Ltd | Process for generating black coating on metallic titanium surface |
| JPS5823469A (en) * | 1981-08-03 | 1983-02-12 | Mitsubishi Electric Corp | Composite power transistor |
-
1988
- 1988-12-22 JP JP32386488A patent/JPH02170984A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352249A (en) * | 1976-10-12 | 1978-05-12 | Toho Titanium Co Ltd | Process for generating black coating on metallic titanium surface |
| JPS5823469A (en) * | 1981-08-03 | 1983-02-12 | Mitsubishi Electric Corp | Composite power transistor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02170984A (en) | 1990-07-02 |
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