201233849 六、發明說明： 【發明所屬之技術領域】 本务月係為一種金屬材料表面漸層染色之方法，尤指 於陽極處理製程中在金屬材料表面染色以形成漸層色彩的 方法。 【先前技術】 現有技術對於3C產品的金屬外殼通常採用喷塗烤漆的 方式於外殼表面形成一帶有色彩的油漆層，以增加其外觀 感，但以此種方式所產生的油漆層相當容易磨損而剝 洛，影響產品的外觀。亦有人利用陽極處理染色的方式於 金屬外殼表面進行上色，以鋁合金材料而言，其外表染色 的常見方法係可為材料表面經由陽極處理（an〇dizing)所形 成的多孔性膜層結合染料，其於金屬表面所產生的色層的 .耐磨性均較喷塗烤漆的方式為佳，但缺點是所能表現^的201233849 VI. Description of the invention: [Technical field to which the invention pertains] The present month is a method for progressively dyeing the surface of a metal material, especially a method of dyeing a surface of a metal material to form a gradation color in an anodizing process. [Prior Art] In the prior art, the metal casing of the 3C product is usually spray-painted to form a colored paint layer on the surface of the casing to increase its appearance, but the paint layer produced in this manner is relatively easy to wear. Peeling, affecting the appearance of the product. Some people use the anodized dyeing method to paint the surface of the metal casing. In the case of aluminum alloy materials, the common method of surface dyeing is to combine the porous film layer formed by the anodizing of the material surface. Dyes, the color layer produced on the metal surface, the wear resistance is better than the way of spraying the paint, but the disadvantage is that it can be expressed
色彩效果有限，因此所製造的產品大多數僅具有單一色彩 之外表。 V 隨著消費者對3C產品的外觀要求愈來愈高，單一色彩 外觀已無法滿足現代人的美感標準，若欲於金屬外殼形成 具有漸層的多色彩效果，僅以採取喷塗烤漆的技術則勢必 仍有色層耐磨性差、牢固度不佳而導致容易剝落等問題而 不符需求；然而，若欲利用上述現有技術之陽極處理染色 方法則無法使材料表面形成漸層色彩效果，至今尚未有可 達到此技術目標的製程方法。因此，現有技術的製程有亟 需改良之必要。 201233849 【發明内容】 - 有鑒於現今尚無有效的利用陽極處理技術，使金屬表 面產生漸層色彩之製程方法，因此本發明提供一種金屬材 料表面漸層染色之方法，藉由染色的方法，可產生具有漸 層色彩之金屬材料外觀，以解決現有技術之缺陷。 為達到上述目的，本發明提供一種金屬材料表面漸層 染色之方法’其係包括下列步驟： 提供一金屬材料； ㈣金屬材料進行前處理，藉以增加金屬材料的表面 可加工性； 對該經前處理的金屬材料進行 料表面形成一多孔性膜層； 令該形成有多孔性膜層的金屬材料於一環境條件下以 -移動速度進入或離開-染料以進行染色，藉以使該 料表面之多孔性膜層具有一漸層色彩。 依據本發明’所述的「增加金屬材料的表面的可加工 性」係指但不限於：改變金屬材料的表面的平整度或粗梭 度、減少氧化物層或去除油月旨’以達到增加陽極處理效果 的目的。 較佳的’令該形成有多孔性肢思 性膜層的金屬材料以一移動 速度進入或離開一染料的步驟係令 八亥形成有多孔性膜層的 金屬材料以速率為介於每秒〇·〇1蒼 宅木及1000毫米之間的定 速度或非定速度運動進入或離開染料。 < 較佳的，該染色步驟中之環产^ γ 阶之間。 仏條件係溫度介於至 5 201233849 之 較佳的’該染色步驟之環境條件係PH值介於3至9 較佳的，該染色步财，㈣料濃度 g/L;當該金屬材料之高度為 “' . 60 U A刀至1()〇公分 入或離開染料所需的時間為〇· 其進 U刀隹里0進一 +而+ 本發明之染色步驟該染色步驟中 ° 上升以及下降移動該形成有多孔性膜 步本發明之染色步驟中的該非定速度運動 糸上升移動4形成有多孔性膜層的金屬材料。 ^步而言’本發明之染色步驟中的該非定速度運動 係下降移動該形成有多孔性臈層的金屬材料。較佳 發明於陽極處理步驟與染色步驟之pb1可進—步包含有 步驟以及第—乾燥步驟，其中該活化步驟㈣該經陽極處 理的金屬材料進行活化，該乾燥步驟係對該經活化後的金 屬材料進行脫水乾燥；而於染色步驛之後可進一步包含有 第二乾燥步驟，其係對該經染色後的金屬材料進行脫水乾 燥0 如上所述’本發明於染色步驟與第二乾燥步驟之間可 進一步包含有封孔步驟，其㈣該經染色後的金屬材料進 行封孔處理。 如上所述，本發明於染色步驟與第二乾燥步驟之間可 進一步包含有封孔步驟，其係對該經染色後的金屬材料進 仃封孔處理；亦可於封孔步驟與第二乾燥步驟之間進一步 包含有一除灰步驟，其係對該經封孔處理後的金屬材料進 行除灰處理。 201233849 依據本發明，所述之染料係有機染料、無機染料等， 但不限於上述染料；更佳的係為酸性有機染料。染料的上 *色方式可為—般習知的浸泡式染色法或施加電場的電解式 著色法，其中有機染料以浸泡式染色法為較佳，益機_^ 以電解式著色法較佳。 “巴 依據本發明，所述之金屬材料係可為鋁合金、鈦合金、 鎂合金、鐵、鋼、銅合金或其他可以利用化學法、電化學 法使其產生多孔性膜層之材料，尤以紹合金材料為佳。予 本發明之優點在於，於金屬材料染色時，將其置於染 1中以特定速度移動，可在該金屬材料表面產生漸層的= 也政果ϋ由本發明之方法的染色步驟中，依據製程需求 ㈣適當的職以、速率與方向，而使㈣成的漸層色 Λ表八色層變化係可為規則的漸層變化或不規則的漸 層I化’進而達到多變化的外觀造型，符合現今消費者對 於3C產品之金屬外殼的美感需求。 【實施方式】Color effects are limited, so most of the products manufactured have only a single color appearance. V With the increasing demands of consumers on the appearance of 3C products, the single color appearance can no longer meet the aesthetic standards of modern people. If you want to form a multi-color effect with a gradual layer on the metal casing, only adopt the technology of spraying paint. However, there are still problems such as poor wear resistance of the color layer, poor adhesion, and easy peeling. However, if the anode treatment dyeing method of the above prior art is used, the surface of the material cannot be gradually colored, and there has not been A process method that achieves this technical goal. Therefore, the prior art processes are in need of improvement. 201233849 [Summary of the Invention] - In view of the fact that there is no effective method for producing a gradient color on a metal surface by using an anodizing technique, the present invention provides a method for progressively dyeing a surface of a metal material by means of dyeing. The appearance of a metallic material having a gradation of color is produced to solve the defects of the prior art. In order to achieve the above object, the present invention provides a method for progressively dyeing a surface of a metal material, which comprises the steps of: providing a metal material; (4) pretreating the metal material to increase the surface processability of the metal material; Treating the metal material to form a porous film layer on the surface of the material; and causing the metal material forming the porous film layer to enter or leave the dye at a moving speed to perform dyeing, thereby making the surface of the material The porous film layer has a gradation color. The term "increasing the workability of the surface of the metal material" according to the invention means, but is not limited to, changing the flatness or roughness of the surface of the metal material, reducing the oxide layer or removing the oil. The purpose of the anodizing effect. Preferably, the step of causing the metal material forming the porous body layer to enter or leave a dye at a moving speed is such that the material forming the porous film layer is at a rate of 〇 per second. · 〇 1 Cangwu wood and a fixed speed or non-fixed speed between 1000 mm into or out of the dye. < Preferably, the ring in the dyeing step is between the gamma steps.仏 conditions are the best temperature to 5 201233849 'the environmental conditions of the dyeing step are PH value between 3 and 9, preferably, the dyeing step, (4) material concentration g / L; when the height of the metal material The time required for the '60 UA knife to 1 () 〇 入 入 离开 染料 染料 染料 其 其 其 其 其 其 其 其 U U U U U U U U U U U U U U U 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色 染色The formation of the porous film step in the dyeing step of the present invention, the non-fixed velocity motion 糸 ascending movement 4 forms a metal material having a porous film layer. [Step] The non-fixed velocity motion system in the dyeing step of the present invention moves downward The metal material forming the porous tantalum layer. Preferably, the pb1 in the anodizing step and the dyeing step may further comprise a step and a first drying step, wherein the activating step (4) the anodized metal material is activated The drying step is: dehydrating and drying the activated metal material; and after the dyeing step, further comprising a second drying step of dehydrating the dyed metal material Drying 0 As described above, the present invention may further comprise a sealing step between the dyeing step and the second drying step, wherein (4) the dyed metal material is subjected to a sealing treatment. As described above, the present invention is applied to the dyeing step. The second drying step may further include a sealing step of sealing the dyed metal material, or further comprising a step of removing the ash between the sealing step and the second drying step. The metal material after the sealing treatment is subjected to ash removal treatment. 201233849 According to the invention, the dye is an organic dye, an inorganic dye or the like, but is not limited to the above dye; more preferably an acid organic dye. The upper color mode may be a conventional immersion dyeing method or an electrolytic coloring method applying an electric field, wherein the organic dye is preferably a immersion dyeing method, and the Yiji _^ is preferably an electrolytic coloring method. According to the invention, the metal material may be an aluminum alloy, a titanium alloy, a magnesium alloy, iron, steel, a copper alloy or the like, which may be made porous by chemical or electrochemical methods. The film material, especially preferably Shao alloy material. An advantage of the present invention is that, when the metal material is dyed, it is placed in the dyeing 1 to move at a specific speed, and a gradient can be generated on the surface of the metal material. Also, in the dyeing step of the method of the present invention, Process requirements (4) Appropriate job, rate and direction, and (4) the gradation of the gradation of the eight-color layer can be a regular gradual change or irregular gradual change I to achieve a multi-change appearance In line with the current consumer demand for the metal casing of 3C products. [Embodiment]
的技術特徵及實用功效，並可依 兹進一步配合圖式及較佳實施 的所使用的技術手段。 為能詳細了解本發明 照說明書的内容來實施， 例，以闡述本發明為達目 本七明係提供-種金屬材料表面漸層染色之方法， 參閱圖1所示’其步驟係包含有： 提么、金屬材料10:於本發明中該金屬材料的高 可為〇_5公分幻〇〇公分’且係可為鋁合金鈦合金、鎂 金、鐵、鋼、鋼入么 D灸或其他可以利用化學法、電化學法 其產生夕孔膜層之材料’且該金屬材料可以適當加工 201233849 法如擠型、鍛燒或壓鑄製作成型； 前處理20 :此步驟係對該金屬材料進行前處理，以增 加金屬材料的表面的可加工性；請進—步參考圖2所示’ 該前處理20步驟係包括脫脂21、鹼洗22、化拋23以及酸 洗24之次步驟，其中： 脫月a 2 1 .其係將该金屬材料置於含有體積百分比濃度 為0.0 1至50%之脫脂劑的溶液中，並於溫度介於及95 C之間的環境下進行脫脂，以去除該金屬材料表面的油脂 或有機化合物； 鹼洗22 :其係將脫脂後的該金屬材料置於酸鹼值高於 7.0(pH>7.0)的鹼性溶液之中，並於溫度介於〇艽及95<>c之 間的環境下進行鹼洗，以清除金屬材料表面上的污染物（例 如有機或無機物）； 化拋23 :其係將鹼洗後的金屬材料置於體積百分比濃 度為0.1至98%的酸性溶液中，並於溫度介於〇〇c至1 〇5。匚 之間的環境下進行化拋；以及 酸洗24 :其係將化拋後的金屬材料置於酸鹼值小於 7(PH<7.0)的酸性溶液中，並於溫度介於〇c>c至95<>c之間的 環境下進行酸洗’以去除金屬材料表面上的髒污或氧化物。 s亥前處理20步驟中，可依據製程需求，於脫脂21、鹼 洗22、化拋23以及酸洗24的次步驟之後分別再對金屬材 料進行1至5道的水洗處理。而於該金屬材料進行前處理 20之後’則續行下列步驟： %極處理3 0 .其係對該經前處理2 〇的金屬材料進行陽 極處理’以體積百分比濃度為〇1至5〇%的硫酸溶液、草酸 201233849 /V液、絡酸溶液、^ ^ φ ^ 硼敲/合液、酒石酸溶液或其組合所組成 的電解液，將該金眉好划_ #认+ Λ 金屬材科置於電解液中，並於溫度介於〇 ;c之間的環境下，以〇〇1至5A/dm2的電流密度對 屬材料進行陽極處理，處理時間為(M至120分鐘，以 於該金屬材料表面經過氧化反應而形成-多孔性膜層；以 及 * 40 .其係利用夾具夾掣經前述處理所得的金屬材 料’並且以一移動速度進入或離開一染料中，其令該形成 籲多孔性膜層的金屬材料係可於溫度介於〇Π价之間的 環境下’以速率為介於每秒〇」毫米及ι〇〇〇毫米之間的定 速度或非定速度運動進入或離開一濃度為〇 〇1至6〇岁[的 染料，且該染料的pH值係可介於3至9之間，染料中整 體處理時間則可為（M至6G分鐘；而本發明之染色步驟該 染色步驟中的該非定速度運動係包括上升移動、下降移 動、或者上升以及了降移動該形成有多孔性膜層#金屬材 料，以使金屬材料的表面所獲得的漸層色彩可呈現規則的 •漸層變化或不規則的漸層變化，達到多樣化的漸層染色效 果。此步驟所述之染料係可包括有機染料、無機染料等， 但不限於上述染料，而染料的上色方式可為一般習知的浸 泡式染色法或施加電場的電解式著色法，其中有機染料以 浸泡式染色法為較佳’無機染料以電解式著色法較佳；具 體而言’於較佳實施例中，該染料係可為酸性有機染料（諸 如標準型號為 C.I.ACID RED 213、C.I.ACID RED 249、 C.I.ACID YELLOW 42、C.I.ACID YELLOW 49、C.I.ACID ORANGE 116、C.I.ACID BLUE 260、C.I.ACID BLUE 113、 201233849 C.I.ACID GREEN 111、C.I.ACID BROWN 163、C.I ACID BLACK 172 等染料）。 清參閱圖3所示’進一步而言，本發明之方法中於陽 極處理30步驟與染色4〇步驟之間可再包含有活化5〇步 驟，其中： 活化50 :其係將該經陽極處理的金屬材料置於濃度為 〇至500 mi/L的酸性溶液中，並於溫度為〇。〇至乃艽之間 的環境下進行活化。 活化50步驟完成後，可直接進入染色4〇步驟以對該 金屬材料進行染色，並且亦可於活化5〇步驟之後再包含有 一第一乾燥60步驟，其中： 第一乾燥60 :其係將該經活化後的金屬材料置於醚 、·員醇類且/或芳香烴類的有機溶劑中〇至分，再於溫度 為〇 C至95 C之間的環境下風乾〇」至6〇分鐘以使該金 屬材料表面呈現乾燥狀態。 再進步而5，本發明之方法中，於染色步驟之後可 再包含有一第二乾燥61步驟，其中： 第乾燥61 ·其係將該經染色後的金屬材料置於醚 :、醇類且/或芳香烴類的有機溶劑中處理〇 i 6〇分，再於 二度為GC至95。(：之間的環境下風乾Q」至6()分鐘，以使 該金屬材料表面呈現乾燥狀態。 萌麥閲圖The technical features and practical effects can be further adapted to the technical means used in the drawings and preferred implementation. In order to be able to understand in detail the contents of the present invention, the present invention provides a method for providing a gradient coating of a metal material on the surface of the present invention. Referring to FIG. 1 , the steps thereof include: Metal material 10: In the present invention, the height of the metal material can be 〇 5 cm 〇〇 〇〇 cm ' and can be aluminum alloy titanium alloy, magnesium gold, iron, steel, steel, or other moxibustion or other The material of the outer layer film can be produced by chemical method or electrochemical method, and the metal material can be suitably processed by the method 201233849 such as extrusion, calcination or die casting; pretreatment 20: this step is performed before the metal material Processing to increase the processability of the surface of the metal material; please refer to FIG. 2 for further steps. The pretreatment 20 step includes the steps of degreasing 21, caustic washing 22, chemical polishing 23 and pickling 24, wherein: De-alloying a 2 1 . The metal material is placed in a solution containing a degreasing agent in a concentration of 0.01 to 50% by volume, and degreased in an environment having a temperature between 95 C and C to remove the The grease on the surface of the metal material or The compound; the alkali wash 22: the metal material after degreasing is placed in an alkaline solution having a pH higher than 7.0 (pH > 7.0), and the temperature is between 〇艽 and 95<> Alkaline washing to remove contaminants (such as organic or inorganic substances) on the surface of the metal material; chemical polishing 23: the alkali-washed metal material is placed in an acidic solution having a volume percentage of 0.1 to 98% And at a temperature between 〇〇c and 1 〇5. Peeling in the environment between the crucible; and pickling 24: the metal material after the parabola is placed in an acidic solution having a pH of less than 7 (pH < 7.0), and the temperature is between 〇c>c Pickling is performed to an environment between 95 <>c to remove dirt or oxides on the surface of the metal material. In the 20 steps of the pre-sea treatment, the metal material may be subjected to a water washing treatment of 1 to 5 times after the second steps of degreasing 21, alkali washing 22, chemical polishing 23, and pickling 24 according to the process requirements. After the pretreatment of the metal material 20, the following steps are continued: % pole treatment 30. The anode material of the pretreated 2 金属 metal material is '1 to 5〇% by volume concentration. The sulfuric acid solution, the oxalic acid 201233849 /V liquid, the complex acid solution, the ^ ^ φ ^ boron knocking / liquid mixture, the tartaric acid solution or a combination thereof, the gold eyebrows are well-defined _ # recognition + Λ metal materials Anodizing the genus material in an electrolyte at a current density between 〇;c and a current density of 〇〇1 to 5 A/dm2 for a treatment time of (M to 120 minutes for the metal) The surface of the material is oxidized to form a porous film layer; and 40. The metal material obtained by the foregoing treatment is clamped by a jig and enters or leaves a dye at a moving speed, which makes the formation porous. The metal material of the film layer can enter or leave at a constant speed or a non-fixed speed between a temperature of between 〇 mm and ι mm in an environment where the temperature is between the valences. a dye having a concentration of 〇〇1 to 6 years old [, and The pH of the dye may be between 3 and 9, and the overall processing time in the dye may be (M to 6 G minutes; and the dyeing step of the present invention, the non-fixed speed in the dyeing step includes ascending movement, descending movement Or ascending and descending the movement to form a porous film layer # metal material, so that the gradient color obtained by the surface of the metal material can exhibit regular gradual changes or irregular gradual changes to achieve diversification Gradation dyeing effect. The dyes described in this step may include organic dyes, inorganic dyes, etc., but are not limited to the above dyes, and the dyes may be colored by a conventional immersion dyeing method or an electrolytic field applying an electric field. The method wherein the organic dye is preferably immersed by dyeing is preferred. The inorganic dye is preferably electrolytically colored; in particular, in the preferred embodiment, the dye may be an acidic organic dye (such as the standard model CIACID). RED 213, CIACID RED 249, CIACID YELLOW 42, CIACID YELLOW 49, CIACID ORANGE 116, CIACID BLUE 260, CIACID BLUE 113, 201233849 CIACID GREEN 111, CIACID BROWN 163, CI ACID BLACK 172 and other dyes). See Figure 3 for further description. Further, in the method of the present invention, an activation 5 再 may be included between the anodizing step 30 and the dyeing step. The step wherein: the activation 50 is carried out by placing the anodized metal material in an acidic solution having a concentration of 〇 to 500 mi/L, and performing the activation at an atmosphere of between 〇 and 艽. After the activation 50 step is completed, the dyeing step can be directly entered to dye the metal material, and a first drying step 60 can be further included after the activation 5 , step, wherein: the first drying 60: The activated metal material is placed in an organic solvent of an ether, a guest alcohol, and/or an aromatic hydrocarbon, and then air-dried at a temperature between 〇C and 95 C for 6 minutes. The surface of the metal material is rendered dry. Further, in the method of the present invention, after the dyeing step, a second drying step 61 may be further included, wherein: the drying step 61 is to place the dyed metal material in an ether: alcohol and/or Or 芳香i 6 〇 in an organic solvent of an aromatic hydrocarbon, and GC to 95 at a second degree. (: Between the conditions of air drying Q" to 6 () minutes, so that the surface of the metal material is dry.
運一步而言，个货π <乃这 於染色步驟之後可再包含有一封孔70步驟，其中： 封孔70纟係將该經染色後的金屬材料置於濃度 5〇 g/L的封孔劑中，並於溫度為抓至价之間^ 10 201233849 下進行封孔處理。 此外，本發明亦可於封孔70步驟與第二乾燥61步驟 之間包含有一除灰80步驟，其中： 除灰80:其係將該經封孔處理後的金屬材料置於酸驗 小於7(ρΗ<7·〇)的酸性溶液中進行除灰處理。 、、立以下#由較佳實施㈣一步具體例示說明本發明。應 注意的是該等實施例係用以說明本發明者，而非藉以在任 何方面限制本發明的範圍 實施例： 準備-高度約為〇.5公分至⑽公分紹合金材料，將該 紐合金材料以脫m、化拋、酸料 μ該以金材料置於含有脫脂劑的溶液，於環 坟下進仃脫脂後，將該鋁合金材料置於氫氧化鈉溶液中， 於室溫環境下進行驗洗，接著將銘合金材料置於酸溶液 中’於室溫環境下進行化拋，最後將化抛後的該銘合金材 料置於酸溶液中，力室溫環境下進行酸洗，此時便完成該 鋁合金材料之前處理的流程。 該鋁合金材料於前處理之後，以酸溶液作為電解液， 將銘合㈣料置於電解液中，對該铭合金材料進行陽極處 理’經過陽極處理後的該紹合金材料表面經過氧化反應而 形成:多孔性膜層，隨後可將铭合金材料置於酸水溶i中 且於室溫下進行活化，經活化後㈣合金材料置人酒精溶 液中處理’再進行風乾處理，以使該銘合金材料表面呈現 乾燥狀態。 11 201233849 利用央具央樂從< #、+* $ 八犬|、匕則述處理所得的鋁合金 降浸入至於濃度為20g/L的染料中，其中該= 5.5,並於室溫的環境(約為25。。)下，以每秒…二：為 速率令該銘合金材料―端下降浸漬至染料=米的 銘合金材料。冑#以獲付表面具有漸層染色效果的 染色處理後’將鋁合金材料之多孔性 中進行封孔處理，再將封孔後 《置於封孔劑 =灰，而除灰後的"合金材料置於酒精溶液中，再I 仃風乾，以使該鋁合金材料表面呈現乾燥狀態。 ^合以上所述，由於金屬材料之表面因陽極處理 :形成的多孔性膜層’因此利於將該多孔性膜層上結合染 並可依據需求調控製程的條件參數，而可產生具有單 :或混合多種顏色的外觀。透過上述之本發明的步驟，： ，材料進行適當的前處理、陽極處理等步驟於其表面形 成夕孔性膜層後，再將金屬材料置於染料令以將該多孔性 膜層染色’藉由控制金屬材料於染料中的移動速率、移動 方向、染色處理時間以及染料濃度、溫度與阳值等條件參 數，以使金屬材料表面可達到漸層顏色變化之效果，相當 貧用。 以上所述僅是本發明的較佳實施例而已，並非對本發 明有任何形式上的限制，雖然本發明已以較佳實施例揭露 如上，然而並非用以限定本發明，任何所屬技術領域中具 有通常知識者，在不脫離本發明技術方案的範圍内，當可 利用上述揭示的技術内容做出些許更動或修飾等同變化的 12 201233849 【圖式簡單說明】 等效實施例’但凡是未脫離本發明技術方案的 本發明的技術實質對以上實施例所做的任何簡翠候改依： 同變化與修飾，均仍屬於本發明技術方案的範圍内。、等 圖1為本發明之一較佳實施例的流程圖。 圖2為本發明之前處理步驟之次步驟的流程圖 圖3為本發明之另一較佳實施例的流程圖。In one step, the individual goods π < this may further comprise a hole 70 step after the dyeing step, wherein: the sealing hole 70 is used to seal the dyed metal material to a concentration of 5 〇g / L In the pore agent, the sealing treatment is carried out under the temperature of the catching price ^ 10 201233849. In addition, the present invention may also include a step of removing the ash 80 between the step of sealing 70 and the step of drying the second step 61, wherein: the ash removal 80: the metal material after the sealing treatment is placed in the acid test less than 7 The ash removal treatment was carried out in an acidic solution of (ρΗ<7·〇). The following is a detailed description of the present invention by a preferred embodiment (four). It should be noted that the examples are intended to illustrate the inventors and are not intended to limit the scope of the invention in any way: Preparation - height is about 55 cm to (10) cm of alloy material, the alloy The material is de-m, chemical polishing, acid material μ, the gold material is placed in a solution containing a degreasing agent, and after degreasing under the tomb, the aluminum alloy material is placed in a sodium hydroxide solution at room temperature. After the inspection, the alloy material is placed in an acid solution to be subjected to chemical polishing at room temperature, and finally the alloy material after the polishing is placed in an acid solution, and pickled under a room temperature environment. The process of pre-treatment of the aluminum alloy material is completed. After the pretreatment, the aluminum alloy material is treated with an acid solution as an electrolyte, and the alloy (4) is placed in an electrolyte, and the alloy material is anodized. The surface of the alloy after the anodization is subjected to an oxidation reaction. Forming: a porous film layer, which can then be placed in an acid-soluble solution and activated at room temperature. After activation, the (4) alloy material is treated in an alcohol solution and then air-dried to make the alloy The surface of the material is dry. 11 201233849 The use of the central equipment from the # #, + * $ eight dogs |, 匕 匕 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金 铝合金(About 25...), at a rate of two per second: the rate of the alloy material - the end dipped into the dye = m of the alloy material.胄# After the dyeing treatment with the surface gradually dyeing effect is obtained, 'the porosity of the aluminum alloy material is sealed, and then the sealing is placed in the sealing agent=ash, and the ash is removed" The alloy material is placed in an alcohol solution and then air-dried to dry the surface of the aluminum alloy material. According to the above, since the surface of the metal material is treated by the anodic treatment: the formed porous film layer 'is thus facilitated to bond the porous film layer and can adjust the condition parameters of the control process according to the demand, and can have a single: or Mix the appearance of multiple colors. Through the steps of the present invention described above, the material is subjected to appropriate pretreatment, anodizing, and the like to form a smectic film layer on the surface thereof, and then the metal material is placed in the dye to dye the porous film layer. By controlling the movement rate, moving direction, dyeing time, dye concentration, temperature and positive value of the metal material in the dye, the surface of the metal material can achieve the effect of gradual color change, which is rather poor. The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. The present invention has been disclosed in the preferred embodiments, but is not intended to limit the present invention. Generally, those skilled in the art can make some changes or modify the equivalent changes by using the above-disclosed technical contents without departing from the technical solution of the present invention. 12 201233849 [Simplified description of the drawings] Equivalent embodiment ' The technical essence of the present invention of the present invention is not limited to the modifications and modifications of the above embodiments. 1 is a flow chart of a preferred embodiment of the present invention. Figure 2 is a flow chart showing the steps of the previous processing steps of the present invention. Figure 3 is a flow chart of another preferred embodiment of the present invention.
圖4為本發明之再一較佳實施例的流程圖。 【主要元件符號說明】 10提供一紹合金材料 脫脂 23化拋 3 0陽極處理 5 〇活化 61第二乾燥 8〇除灰 20前處理 22驗洗 24酸洗 40染色 60第一乾燥 7 〇封孔4 is a flow chart of still another preferred embodiment of the present invention. [Main component symbol description] 10 provides one alloy material Degreasing 23 chemical polishing 3 0 anode treatment 5 〇 activation 61 second drying 8 〇 ash removal 20 pretreatment 22 rinsing 24 pickling 40 dyeing 60 first drying 7 〇 sealing
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