TWI426158B - Aluminum alloy products on the surface of the natural coloring method - Google Patents
Aluminum alloy products on the surface of the natural coloring method Download PDFInfo
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- TWI426158B TWI426158B TW99147169A TW99147169A TWI426158B TW I426158 B TWI426158 B TW I426158B TW 99147169 A TW99147169 A TW 99147169A TW 99147169 A TW99147169 A TW 99147169A TW I426158 B TWI426158 B TW I426158B
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本發明係關於一種鋁合金產品表面之天然色料染色方法，尤指一種先將一鋁合金作陽極處理，以在該鋁合金之表面上產生奈米孔洞，再以天然植物色料染色，經過封孔處理後，即直接在該鋁合金上染出鮮豔顏色之天然色料染色方法者。The invention relates to a method for dyeing natural colorants on the surface of an aluminum alloy product, in particular to an anode treatment of an aluminum alloy to produce nanopores on the surface of the aluminum alloy, and then dyed with natural plant color materials. After the sealing treatment, the method of dyeing the natural color of the bright color directly on the aluminum alloy is directly applied.
按，鋁在工業上應用相當廣泛，是具有高活性並且容易與外界產生化學變化的金屬，鋁金屬表面與空氣接觸會氧化產生氧化鋁，為了使氧化層更緻密以減少內部金屬與空氣接觸，可藉由陽極處理的人工方式形成更厚、更緻密的氧化層，以增加鋁合金表面之抗氧化性及抗腐蝕性，且陽極處理後之氧化鋁具有高強度、優良化學安定性、絕緣性、耐高溫、耐磨等特性。According to the aluminum, aluminum is widely used in industry. It is a metal with high activity and easy to change chemically with the outside. The surface of aluminum metal is oxidized to produce alumina by contact with air. In order to make the oxide layer denser to reduce the contact of internal metal with air, A thicker and denser oxide layer can be formed by anodizing artificially to increase the oxidation resistance and corrosion resistance of the aluminum alloy surface, and the anodized aluminum has high strength, excellent chemical stability and insulation. High temperature resistance and wear resistance.
在二次大戰前，就開始發展把鋁合金放在酸性溶液中再外加陽極氧化處理的製程，以獲得多孔性氧化鋁膜，做為鋁合金的抗氧化層與染色的前處理，這是一種歷史悠久的防腐蝕方法。Before the Second World War, the process of adding an aluminum alloy to an acidic solution and then adding an anodizing treatment was started to obtain a porous alumina film, which was used as an anti-oxidation layer of aluminum alloy and pretreatment of dyeing. A long history of anti-corrosion methods.
然而，雖可先將鋁合金作陽極處理，再於該鋁合金表面上作染色處理，但是習用之染色處理方法，為採用人工合成之有機或無機染料，該染料顏色鮮豔卻是冷冰冰的工業染料，且工業染料容易造成環境之污染，相當不便利。However, although the aluminum alloy can be anodized first and then dyed on the surface of the aluminum alloy, the conventional dyeing treatment method is a synthetic organic or inorganic dye which is brightly colored but is a cold industrial dye. And industrial dyes are prone to environmental pollution, which is quite inconvenient.
鑑於上述習用染色處理方法的缺點，本案發明人乃亟思加以改良創新，並經多年苦心孤詣潛心研究後，終於成功研發完成本件一種鋁合金產品表面之天然色料染色方法。In view of the shortcomings of the above-mentioned conventional dyeing treatment method, the inventor of the present invention has improved and innovated, and after years of painstaking research, he finally succeeded in research and development of a natural coloring method for the surface of an aluminum alloy product.
本發明之目的，在於提供一種鋁合金產品表面之天然色料染色方法，係先將一鋁合金作陽極處理，以在該鋁合金之表面上產生奈米孔洞，再以天然植物色料染色，經過封孔處理後，而直接在該鋁合金上染出鮮豔顏色。The object of the present invention is to provide a method for dyeing natural colorants on the surface of an aluminum alloy product by first anodizing an aluminum alloy to produce nanopores on the surface of the aluminum alloy, and then dyeing with natural plant colorants. After the sealing treatment, the bright color is directly dyed on the aluminum alloy.
可達成上述發明目的之鋁合金產品表面之天然色料染色方法，係先將一鋁合金表面作拋光、脫脂及酸洗處理後；接著，再利用一酸液(例如：硫酸、草酸、磷酸等)在定電壓定電流下，將該鋁合金作第一階段陽極處理；之後，再利用酸洗腐蝕法除去該鋁合金在第一階段陽極處理的氧化鋁模板，以留下少許之阻絕層凹槽結構；接著，再次利用該酸液在定電壓定電流下，將該鋁合金作第二階段陽極處理，以增加第二次陽極氧化初期電場分佈之均勻性，並成長出規則性高的氧化鋁奈米孔洞陣列；之後，再以磷酸將該鋁合金做奈米孔洞之擴孔處理，使孔徑加大且更規則；最後，再以天然植物色料染色，將該鋁合金浸泡於一天然植物色料之染色劑中，使染色劑之顏色滲入奈米孔洞內，再於該鋁合金表面形成一層亮麗而耐腐蝕的氧化物層表面，即形成一成品。The natural coloring method for the surface of the aluminum alloy product which can achieve the above object is to first polish, degrease and pickle the surface of an aluminum alloy; then, use an acid liquid (for example: sulfuric acid, oxalic acid, phosphoric acid, etc.) The aluminum alloy is subjected to a first-stage anode treatment at a constant current and a constant current; after that, the aluminum alloy template of the aluminum alloy in the first stage is removed by pickling etching to leave a slight barrier layer. The groove structure; then, the aluminum alloy is again subjected to the second-stage anode treatment at a constant current and a constant current to increase the uniformity of the electric field distribution at the initial stage of the second anodization, and to grow a regular high oxidation. An array of aluminum nanopores; afterwards, the aluminum alloy is made into a reaming treatment of the nanopores with phosphoric acid to increase the pore size and more regular; finally, the natural aluminum pigment is dyed, and the aluminum alloy is immersed in a natural In the stain of the plant coloring material, the color of the dyeing agent is infiltrated into the nanopore, and a bright and corrosion-resistant oxide layer surface is formed on the surface of the aluminum alloy to form a finished product.
請參閱以下有關本發明一較佳實施例之詳細說明及其附圖，將可進一步瞭解本發明之技術內容及其目的功效：Please refer to the following detailed description of a preferred embodiment of the present invention and the accompanying drawings, which will further understand the technical content of the present invention and its effect:
本發明所提供之一種「鋁合金產品表面之天然色料染色方法」，請參閱第1、2圖所示，該方法包括下列步驟：(11)首先，將一選定物51之鋁合金表面作拋光處理71、脫脂處理72及酸洗處理73(如第7A~7C圖所示)，使該選定物51在作陽極處理時，不含任何油脂、氧化層、或其他雜質，且使該選定物51表面光滑無嚴重的刮痕、毛刺且呈活性化，而易於陽極處理；(12)接著，再利用一酸液(例如：硫酸、草酸、磷酸等)在定電壓定電流下，將選定物51之鋁合金作第一階段陽極處理74(如第7D圖所示)，使該選定物51生成初期之孔洞21(如第2圖所示)；(13)之後，再作去除陽極處理氧化鋁(anodic aluminium oxide，簡稱AAO)層處理75(如第7E圖所示)，該AAO層處理之方法係利用酸洗腐蝕法除去該選定物51之鋁合金在第一階段陽極處理的氧化鋁模板，以留下少許之阻絕層凹槽結構22(如第2圖所示)；(14)接著，再次利用該酸液在定電壓定電流下，將該選定物51之鋁合金作第二階段陽極處理76(如第7F圖所示)，以增加第二次陽極氧化初期電場分佈之均勻性，並成長出規則性高的氧化鋁奈米孔洞陣列23，如第2、3、4圖所示，該奈米孔洞31陣列為六角形蜂窩狀結構，並且六角形的邊界彼此緊密靠合，孔洞在六角形中間，蜂窩狀及孔洞之大小與陽極處理之電壓成線性關係；(15)之後，再將該選定物51之鋁合金浸泡磷酸，作 奈米孔洞之擴孔處理，使孔徑加大且更規則；(16)接著，再以天然植物色料染色77(如第7G圖所示)，將該選定物51之鋁合金浸泡於一天然植物色料之染色劑中，使染色劑之顏色滲入奈米孔洞內；(17)最後，將選定物51之鋁合金作封孔處理78(如第7H圖所示)，該封孔處理78係將選定物51鋁合金以蒸餾水90℃~95℃煮10~20分鐘，令在選定物51鋁合金表面生成一層封孔氧化物層32(如第5圖所示)，而形成一成品79(如第71圖所示)。The invention provides a "natural coloring method for dyeing the surface of an aluminum alloy product", as shown in Figures 1 and 2, the method comprises the following steps: (11) First, the surface of the aluminum alloy of a selected object 51 is used. The polishing treatment 71, the degreasing treatment 72, and the pickling treatment 73 (as shown in FIGS. 7A to 7C), so that the selected material 51 does not contain any grease, oxide layer, or other impurities during the anode treatment, and the selection is made. The surface of the object 51 is smooth without severe scratches, burrs and activation, and is easy to be anodized; (12) then, using an acid solution (for example: sulfuric acid, oxalic acid, phosphoric acid, etc.) at a constant voltage constant current, will be selected The aluminum alloy of the substance 51 is subjected to a first-stage anodizing treatment 74 (as shown in FIG. 7D) to cause the selected object 51 to form an initial hole 21 (as shown in FIG. 2); (13), then removing the anode treatment. An anodic aluminium oxide (AAO) layer treatment 75 (as shown in FIG. 7E), the method of treating the AAO layer is to remove the oxidation of the aluminum alloy of the selected material 51 in the first stage by pickling etching. Aluminum stencil to leave a little barrier layer structure 22 (as shown in Figure 2); 14) Next, using the acid solution again, the aluminum alloy of the selected material 51 is subjected to the second-stage anode treatment 76 (as shown in FIG. 7F) at a constant voltage constant current to increase the electric field distribution at the initial stage of the second anodization. Uniformity, and growing a regular high alumina nanopore array 23, as shown in Figures 2, 3, and 4, the nanopore array 31 is a hexagonal honeycomb structure, and the hexagonal boundaries are close to each other. In the middle of the hexagon, the size of the honeycomb and the hole is linear with the voltage of the anode treatment; after (15), the aluminum alloy of the selected material 51 is immersed in phosphoric acid. The reaming treatment of the nanopores makes the pore size larger and more regular; (16) Next, dyeing 77 with natural plant color (as shown in Fig. 7G), soaking the aluminum alloy of the selected 51 in a natural In the stain of the plant coloring agent, the color of the dyeing agent is infiltrated into the nanopore; (17) Finally, the aluminum alloy of the selected object 51 is used for sealing treatment 78 (as shown in Fig. 7H), and the sealing treatment 78 The selected aluminum alloy 51 is boiled in distilled water at 90 ° C to 95 ° C for 10 to 20 minutes to form a layer of sealing oxide layer 32 (as shown in FIG. 5 ) on the surface of the selected aluminum alloy 51 to form a finished product 79 . (as shown in Figure 71).
由上述方法步驟所製作出之成品，其程序較以往的烤漆節省加工設備與製程步驟且能使表面之顏色均勻附著於鋁材上。The finished product produced by the above method steps saves the processing equipment and the process steps compared with the conventional baking varnish and can uniformly attach the color of the surface to the aluminum material.
由上述方法步驟所述之封孔處理，係將選定物51鋁合金以蒸餾水95℃煮20分鐘，令在選定物51鋁合金表面生成厚度約為3μ-15μ的封孔氧化物層32，該氧化物層32會在選定物51鋁合金表面形成一層亮麗而耐腐蝕的表面。而該表面可再選擇拋光之亮面處理，或者不作拋光使該表面維持原霧化表面。The sealing treatment described in the above method step is to cook the aluminum alloy of the selected material 51 in distilled water at 95 ° C for 20 minutes to form a sealing oxide layer 32 having a thickness of about 3 μ-15 μ on the surface of the aluminum alloy of the selected material 51. The oxide layer 32 forms a bright, corrosion-resistant surface on the surface of the aluminum alloy of the selected article 51. The surface may be optionally polished to a polished finish or left unpolished to maintain the surface of the original atomized surface.
由上述方法之脫脂處理72步驟中，係將脫脂劑30克與蒸餾水1公升調配成脫脂溶劑，再將選定物51之鋁合金浸入該脫脂溶劑中，加熱至溫度(60℃)反應5~10分鐘。In the step 72 of the degreasing treatment by the above method, 30 g of the degreaser and 1 liter of distilled water are formulated into a degreasing solvent, and the aluminum alloy of the selected material 51 is immersed in the degreasing solvent, and heated to a temperature (60 ° C) for 5 to 10 minute.
由上述方法之陽極處理步驟中，陽極處理在用溫度(20℃~22℃)時，可獲得較佳之處理結果。In the anode treatment step of the above method, the anode treatment is carried out at a temperature (20 ° C to 22 ° C), and a preferable treatment result can be obtained.
由上述方法之陽極處理步驟中，陽極處理之時間為 20~40分鐘。In the anode treatment step of the above method, the anode treatment time is 20~40 minutes.
由上述方法之陽極處理步驟中，酸液係以硫酸233cc與蒸餾水3公升調配而成。In the anode treatment step of the above method, the acid solution is prepared by mixing 233 cc of sulfuric acid and 3 liters of distilled water.
由上述方法之染色處理步驟中，該天然植物色料酸鹼值5.5時，其染色效果最好最均勻。In the dyeing treatment step of the above method, when the pH value of the natural plant color is 5.5, the dyeing effect is the best and the most uniform.
由上述方法之染色處理步驟中，該天然植物色料之染色劑係將植物萃取物0.1克與100cc蒸餾水調配而成。In the dyeing treatment step of the above method, the natural plant colorant is prepared by blending 0.1 g of the plant extract with 100 cc of distilled water.
由上述方法之染色處理步驟中，係將該選定物51之鋁合金浸泡於該天然植物色料之染色劑中，加熱至溫度(60℃)反應3分鐘。In the dyeing treatment step of the above method, the aluminum alloy of the selected material 51 is immersed in the dye of the natural vegetable coloring matter, and heated to a temperature (60 ° C) for 3 minutes.
下表為進行脫脂處理、陽極處理、染色處理及封孔處理之溶劑、溫度、反應時間表：
該天然植物色料係採用花朵(如：玫瑰花、向日葵等)之花瓣來作有機染料，並利用酒精隔水加熱之後反覆熬煮的方法萃取出花的色素，請參閱第6圖所示，其萃取之方法包括下列之步驟：(51)首先，清洗植物，並拔下植物之花瓣81作為選定之萃取物(如第8A圖所示)； (52)將萃取物之花瓣裝入一燒杯中，並將裝滿萃取物之花瓣的該燒杯加入約二分之一的酒精，再將燒杯隔水加熱至90℃，以萃取花瓣中的色素82(如第8B圖所示)；(53)待萃取物之花瓣的色素都釋放出來時，再將花瓣濾出丟棄83(如第8C圖所示)；(54)於該燒杯中再加入蒸餾水，並反覆熬煮84(如第8D圖所示)，藉以將酒精全部蒸發(煮掉)；(55)酒精全部蒸發後，即於該燒杯中獲得天然植物色料。The natural plant colorant uses the petals of flowers (such as roses, sunflowers, etc.) as organic dyes, and extracts the pigments of the flowers by heating and then repeatedly boiling the alcohol, as shown in Fig. 6, The method for extracting comprises the following steps: (51) First, the plant is washed, and the petal 81 of the plant is removed as a selected extract (as shown in Fig. 8A); (52) The petals of the extract are placed in a beaker, and the beaker filled with the petals of the extract is added to about one-half of the alcohol, and the beaker is heated to 90 ° C in water to extract the pigment in the petals. 82 (as shown in Fig. 8B); (53) when the pigment of the petals of the extract is released, the petals are filtered out and discarded 83 (as shown in Fig. 8C); (54) added to the beaker. Distilled water and repeatedly boiled 84 (as shown in Figure 8D) to evaporate all of the alcohol (cooked); (55) After the alcohol has evaporated, the natural plant color is obtained in the beaker.
該天然植物色料可以冷凍保存，於使用時，先解凍即可再使用。又，使用剩下的植物染料也容易被大自然回收，不會對地球造成破壞。The natural plant color material can be stored frozen, and can be used after being thawed. Moreover, the use of the remaining plant dyes is also easily recovered by nature without causing damage to the earth.
上列詳細說明係針對本發明之一可行實施例之具體說明，惟該實施例並非用以限制本發明之專利範圍，凡未脫離本發明技藝精神所為之等效實施或變更，例如：等變化之等效性實施例，均應包含於本案之專利範圍中。The detailed description above is a detailed description of a possible embodiment of the present invention, and is not intended to limit the scope of the present invention, and equivalents and modifications, such as variations, etc., without departing from the spirit of the invention. Equivalent embodiments are to be included in the scope of the patent.
21‧‧‧初期之孔洞21‧‧‧ initial hole
22‧‧‧阻絕層凹槽結構22‧‧‧Resisting layer groove structure
23‧‧‧氧化鋁奈米孔洞陣列23‧‧‧Alumina nanohole array
31‧‧‧奈米孔洞31‧‧‧Nami Hole
32‧‧‧氧化物層32‧‧‧Oxide layer
51‧‧‧選定物51‧‧‧Selected items
71‧‧‧拋光處理71‧‧‧ Polishing
72‧‧‧脫脂處理72‧‧‧ Degreasing treatment
73‧‧‧酸洗處理73‧‧‧ Pickling treatment
74‧‧‧第一階段陽極處理74‧‧‧First stage anodizing
75‧‧‧去除陽極處理氧化鋁層處理75‧‧‧Removing the anodized aluminum layer treatment
76‧‧‧第二階段陽極處理76‧‧‧Second stage anodizing
77‧‧‧染色77‧‧‧Staining
78‧‧‧封孔處理78‧‧‧sealing treatment
79‧‧‧成品79‧‧‧ finished products
81‧‧‧拔下植物之花瓣81‧‧‧Unplug the petals of plants
82‧‧‧萃取花瓣中的色素82‧‧‧Extracting pigments from petals
84‧‧‧反覆熬煮84‧‧‧Reverse cooking
第1圖為本發明之製作流程圖。Figure 1 is a flow chart of the production of the present invention.
第2圖為本發明之鋁合金作陽極處理之剖面示意圖。Fig. 2 is a schematic cross-sectional view showing the aluminum alloy of the present invention as an anode treatment.
第3、4圖為本發明之鋁合金產生鋁奈米孔洞陣列之示意圖。Figures 3 and 4 are schematic views of an array of aluminum nanoholes produced by the aluminum alloy of the present invention.
第5圖為本發明之鋁合金封孔之示意圖。Fig. 5 is a schematic view showing the sealing of the aluminum alloy of the present invention.
第6圖為本發明萃取出花色素之製作流程圖。Fig. 6 is a flow chart showing the production of anthocyanin extracted by the present invention.
第7A~7I圖為本發明之製作示意圖。7A to 7I are schematic views showing the manufacture of the present invention.
第8A~8D圖為本發明萃取出花色素之製作示意圖。8A-8D are schematic views showing the production of anthocyanin extracted by the present invention.
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| US20060118000A1 (en) * | 1996-01-22 | 2006-06-08 | Chr-Hansen A/S | Water dispersible compositions containing natural hydrophilic water-insoluble pigments, methods of preparing same and their use |
| US20080057293A1 (en) * | 2006-02-23 | 2008-03-06 | Fujifilm Corporation | Microstructure and method of manufacturing the same |
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| US3652429A (en) * | 1967-09-08 | 1972-03-28 | Frye Ind Inc | Sealing of colored anodized aluminum |
| US20060118000A1 (en) * | 1996-01-22 | 2006-06-08 | Chr-Hansen A/S | Water dispersible compositions containing natural hydrophilic water-insoluble pigments, methods of preparing same and their use |
| US20080057293A1 (en) * | 2006-02-23 | 2008-03-06 | Fujifilm Corporation | Microstructure and method of manufacturing the same |
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| TW201226633A (en) | 2012-07-01 |
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