WO2018218435A1 - Brightening agent, aluminum alloy workpiece, and surface ash and stain removal method therefor - Google Patents

Brightening agent, aluminum alloy workpiece, and surface ash and stain removal method therefor Download PDF

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Publication number
WO2018218435A1
WO2018218435A1 PCT/CN2017/086359 CN2017086359W WO2018218435A1 WO 2018218435 A1 WO2018218435 A1 WO 2018218435A1 CN 2017086359 W CN2017086359 W CN 2017086359W WO 2018218435 A1 WO2018218435 A1 WO 2018218435A1
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aluminum alloy
light
alloy workpiece
emitting
workpiece
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PCT/CN2017/086359
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French (fr)
Chinese (zh)
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王饶玲
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深圳市恒兆智科技有限公司
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Priority to PCT/CN2017/086359 priority Critical patent/WO2018218435A1/en
Publication of WO2018218435A1 publication Critical patent/WO2018218435A1/en

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    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/02—Light metals
    • C23F3/03—Light metals with acidic solutions
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/12—Light metals

Definitions

  • the present invention relates to the field of metal surface treatment technology, and in particular, to a light-emitting agent, an aluminum alloy workpiece, and a surface ash removal and decontamination method thereof.
  • the surface treatment technology of the workpiece is usually applied.
  • the surface treatment of aluminum and iron alloys goes deep into all walks of life.
  • most of the work needs to be pretreated before it is surface treated, for example, cleaning, decontamination and degreasing.
  • aluminum alloy alloys contain a large amount of black ash which is produced by strong acid-base treatment due to other components such as silicon, copper, and zinc.
  • the usual chemical treatment method is concentrated nitric acid plus sulfuric acid. This method is intense, producing a large amount of toxic yellow smoke and the black ash cannot be well removed.
  • a light-removing agent for removing ash, removing stains, not generating yellow smoke and having a certain passivation effect, and an aluminum alloy workpiece and a surface ash removing and decontaminating treatment method thereof can effectively remove the aluminum alloy. Stain on the surface of the workpiece, release agent, black skin and black ash after acid etching and alkali corrosion, forming a clean and bright surface, providing excellent bonding for subsequent passivation, oxidation, spraying, electroplating and the like.
  • a light-emitting agent for removing black ash and stains on an aluminum alloy workpiece surface including the following mass content components
  • a method for removing ash and decontaminating a surface of an aluminum alloy workpiece comprising the steps of: preparing a light-emitting agent as described above; treating the aluminum alloy workpiece with a light-emitting solution, and after performing a predetermined daytime treatment, washing with water.
  • an aluminum alloy workpiece whose surface is subjected to surface treatment by the method of removing ash and decontamination of the surface of the aluminum alloy workpiece as described above, and then passivation, oxidation, spraying or electroplating to form a protective film.
  • the above light-emitting agent can effectively remove the stain on the surface of the aluminum alloy workpiece, the release agent, the black skin, and the black ash generated by the acid etching and the alkali corrosion to form a clean and bright surface for subsequent passivation, oxidation, and spraying. Or plating, etc. provide excellent bonding. Operation ⁇ no nitrogen oxides and yellow smoke gas, which is beneficial to the environment and the health of the operator.
  • the above-mentioned light-emitting agent can be applied to various aluminum alloy workpieces (except for die-cast aluminum). For example: aluminum alloy 6 061, aluminum alloy 7072 and so on.
  • Embodiments of the present invention provide a light-emitting agent for ash removal and decontamination treatment of a workpiece on an aluminum alloy, including the following components: 50-500 g/L nitric acid, l-200 g/L phosphoric acid, l-50 g /L potassium permanganate, l-200g/L sulfuric acid, l-10g/L nonylphenol ethoxylate, 200-500g/L water.
  • nitric acid is a nitric acid solution with a mass fraction of 68%
  • phosphoric acid is a phosphoric acid solution with a mass fraction of 85%
  • sulfuric acid is a concentrated sulfuric acid solution with a mass fraction of 98%.
  • the mass content of the nitric acid is preferably from 100 to 500 g/L, and preferably, the potassium permanganate has a mass content of from 10 to 40 g/L.
  • the mass content of the phosphoric acid is preferably from 50 to 100 g/L, and the sulfuric acid has a mass content of from 50 to 100 g/L.
  • the luminescent agent is preferably used in a dilution volume concentration of 700 to 1000 ml / liter, and a pH of not more than 2.
  • the balance of each of the distribution ratios is controlled to achieve a better ash-removing effect.
  • nitric acid, potassium permanganate provides oxidative properties for removing black ash and has a passivating effect on the workpiece.
  • Sulfuric acid and phosphoric acid help provide acidity, and phosphoric acid also acts as a buffer to make the deashing process more gradual.
  • Nonylphenol ethoxylates allow the reaction to be uniform without pitting corrosion and stain removal.
  • the light-emitting agent of the present embodiment is suitable for various aluminum alloy workpieces, and the black light ash generated by the aluminum alloy worker after pickling or alkali washing can effectively remove black ash and light.
  • An embodiment of the present invention further provides a method for removing ash and decontamination of an aluminum alloy workpiece surface, comprising the steps of: preparing a light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, and treating the light-emitting solution with a light-emitting solution; The aluminum alloy workpiece is washed with water after a predetermined daytime treatment.
  • the aluminum alloy workpiece is decontaminated and reused.
  • the light-emitting solution is used to treat the aluminum alloy workpiece, and the aluminum alloy workpiece is washed, and then the surface of the aluminum alloy workpiece is treated by passivation, oxidation, spraying, electroplating, and the like.
  • the light-emitting agent itself can be decontaminated.
  • the light-emitting solution is treated by immersing the aluminum alloy workpiece with a light-emitting solution at a treatment temperature of 0-30 ° C, and the immersion aluminum alloy workpiece is between 10 and 120 seconds.
  • the light-emitting agent preferably has a dilution volume concentration of from 700 to 1000 ml/liter, preferably from 800 to 950 ml/liter, and a pH of less than 2.
  • the enamel solution can be prepared in a cleaning tank, which adopts an acid-resistant plastic tank, a glass steel tank or a low carbon steel, and the glass reinforced plastic tank or low carbon steel is lined with a PVC plastic, and the aluminum alloy is treated with aluminum.
  • the alloy workpiece is immersed in the light-emitting solution in the tank.
  • An embodiment of the present invention further provides an aluminum alloy workpiece, the surface of which is subjected to surface treatment by the method for removing ash and decontamination of the surface of the aluminum alloy workpiece as described above, and then the protective film is formed by passivation, oxidation, spraying, and electroplating.
  • the protective film is formed by passivation, oxidation, spraying, and electroplating.
  • it can also be used for other aluminum alloy workpieces that require ash removal and decontamination treatment.
  • the above-mentioned light-emitting agent can effectively remove the stain on the surface of the aluminum alloy workpiece, the release agent, the black skin and the black ash generated by the acid etching and the alkali corrosion, and generate a clean and bright surface for subsequent passivation, oxidation and spraying. , plating, etc. provide excellent bonding. Due to the black ash generated by pickling or alkali washing of the aluminum alloy, the glazing agent on the surface of the aluminum material can be quickly removed by the light-emitting agent, and the aluminum member can be restored to the original color, the adhesion of the film and the anti-corrosion property are improved, and the environment is environmentally friendly.
  • the above-mentioned light-emitting agent is suitable for various aluminum alloy workpieces (except for die-cast aluminum), such as: aluminum alloy 6061, aluminum alloy 7072, and the like.
  • the components were mixed according to the following weights: 500 g of nitric acid, lg phosphoric acid, lg potassium permanganate, lg sulfuric acid, lg nonylphenol ethoxylate, water was added to 1 L, stirred, uniformly mixed, and formulated into a light-emitting agent.
  • Processing method preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 700 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
  • Example 2 [0025] The ingredients were mixed according to the following weights: 400 g parts of nitric acid, 20 g of phosphoric acid, 10 g of potassium permanganate, 20 g of sulfuric acid, 3 g of nonylphenol ethoxylate, water was added to 1 L, stirred, and uniformly mixed to prepare a light-emitting agent.
  • Treatment method preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 900 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
  • the ingredients were mixed according to the following weights: 300 g parts of nitric acid, 50 g of phosphoric acid, 20 g of potassium permanganate, 50 g of sulfuric acid, 5 g of nonylphenol ethoxylate, added with water to 1 L, stirred, uniformly mixed, and formulated into a light-emitting agent.
  • Processing method preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 900 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
  • the ingredients are mixed according to the following weight: 200 g parts of nitric acid, 200 g of phosphoric acid, 40 g of potassium permanganate, 200 g of sulfuric acid
  • Processing method preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the volume concentration of the light-emitting agent is 800 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
  • the ingredients are mixed according to the following weights: 100 g parts of nitric acid, 100 g of phosphoric acid, 50 g of potassium permanganate, 100 g of sulfuric acid
  • Processing method preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the volume concentration of the light-emitting agent is 800 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution Gray
  • the aluminum alloy workpiece is washed after 2 minutes of treatment.

Abstract

A brightening agent, an ash and stain removal method for an aluminum alloy workpiece, and the aluminum alloy workpiece. The brightening agent comprises the following components in mass contents: 50 g/L to 500 g/L of nitric acid, 1 g/L to 200 g/L of phosphoric acid, 1 g/L to 50 g/L of potassium permanganate, 1 g/L to 200 g/L of sulfuric acid, 1 g/L to 10 g/L of nonylphenol polyoxyethylene ether, and 200 g/L to 500 g/L of water. The brightening agent can effectively remove stains, mold release agents and black rusts on the surface of the aluminum alloy workpiece, and can effectively remove black ash generated after acid corrosion and alkali corrosion are performed, so as to form a clean and bright surface, and the brightening agent provides excellent binding force for subsequent passivation, spray coating or electroplating, and is applicable to a variety of aluminum alloy workpieces (except an aluminum cast die), such as aluminum alloy 6061 and aluminum alloy 7072.

Description

出光剂、 铝合金工件及其表面除灰除污方法 技术领域  Light-emitting agent, aluminum alloy workpiece and surface ash removal and decontamination method thereof
[0001] 本发明涉及金属表面处理技术领域， 具体涉及一种出光剂、 铝合金工件及其表 面除灰除污方法。  [0001] The present invention relates to the field of metal surface treatment technology, and in particular, to a light-emitting agent, an aluminum alloy workpiece, and a surface ash removal and decontamination method thereof.
背景技术  Background technique
[0002] 为提高产品表面性能或者外观， 通常对工件表面处理技术。 例如， 铝、 铁合金 的表面处理工艺深入各行各业中。 而且， 大多数工作在进及其行表面处理前还 需要经过预处理， 例如， 进行清洗， 除污除油等表面处理。  [0002] In order to improve the surface properties or appearance of a product, the surface treatment technology of the workpiece is usually applied. For example, the surface treatment of aluminum and iron alloys goes deep into all walks of life. Moreover, most of the work needs to be pretreated before it is surface treated, for example, cleaning, decontamination and degreasing.
[0003] 通常， 铝合金合金因含硅， 铜， 锌等其他成分， 经过强酸碱处理会产生的大量 黑灰。 通常用的化学处理方法是浓硝酸加硫酸， 这种方法反应激烈， 产生大量 有毒的黄烟并且黑灰不能得到很好的去除。  [0003] Generally, aluminum alloy alloys contain a large amount of black ash which is produced by strong acid-base treatment due to other components such as silicon, copper, and zinc. The usual chemical treatment method is concentrated nitric acid plus sulfuric acid. This method is intense, producing a large amount of toxic yellow smoke and the black ash cannot be well removed.
技术问题  technical problem
[0004] 有鉴于此， 提供一种除灰、 除污渍效果好、 不产生黄烟且有一定钝化效果的出 光剂， 以及铝合金工件及其表面除灰除污处理方法， 能有效去除铝合金工件表 面的污斑、 脱模剂、 黑皮和经酸蚀、 碱腐蚀后产生的黑灰， 形成清洁光亮的表 面， 为后续钝化、 氧化、 喷涂、 电镀等处理提供优异的结合力。  [0004] In view of the above, a light-removing agent for removing ash, removing stains, not generating yellow smoke and having a certain passivation effect, and an aluminum alloy workpiece and a surface ash removing and decontaminating treatment method thereof can effectively remove the aluminum alloy. Stain on the surface of the workpiece, release agent, black skin and black ash after acid etching and alkali corrosion, forming a clean and bright surface, providing excellent bonding for subsequent passivation, oxidation, spraying, electroplating and the like.
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0005] 一种出光剂， 用于去除铝合金工件表面黑灰和污渍， 包括如下质量含量的成分 [0005] A light-emitting agent for removing black ash and stains on an aluminum alloy workpiece surface, including the following mass content components
： 50-500g/L硝酸， l-200g/L磷酸， l-50g/L高锰酸钾， l-200g/L硫酸， l-10g/L壬 基酚聚氧乙烯醚， 200-500g/L水。 : 50-500g/L nitric acid, l-200g/L phosphoric acid, l-50g/L potassium permanganate, l-200g/L sulfuric acid, l-10g/L nonylphenol ethoxylate, 200-500g/L water.
[0006] 一种铝合金工件表面除灰除污处理方法， 其包括下列步骤： 配制如上所述的出 光剂； 用出光溶液处理铝合金工件， 经过预定吋间处理后， 水洗。 [0006] A method for removing ash and decontaminating a surface of an aluminum alloy workpiece, comprising the steps of: preparing a light-emitting agent as described above; treating the aluminum alloy workpiece with a light-emitting solution, and after performing a predetermined daytime treatment, washing with water.
[0007] 以及， 一种铝合金工件， 其表面经过如上所述的铝合金工件表面除灰除污处理 方法进行表面处理， 再钝化、 氧化、 喷涂或电镀等形成保护膜。 [0007] Also, an aluminum alloy workpiece whose surface is subjected to surface treatment by the method of removing ash and decontamination of the surface of the aluminum alloy workpiece as described above, and then passivation, oxidation, spraying or electroplating to form a protective film.
发明的有益效果 有益效果 Advantageous effects of the invention Beneficial effect
[0008] 上述出光剂能有效去除铝合金工件表面的污斑、 脱模剂、 黑皮和经酸蚀、 碱腐 蚀后产生的黑灰， 形成清洁光亮的表面， 为后续钝化、 氧化、 喷涂或电镀等提 供优异的结合力。 操作吋无氮氧化物和黄烟气体产生， 有利于环保和操作员身 体健康。 上述出光剂可适合于各种铝合金工件 （除压铸铝外） 。 例如： 铝合金 6 061， 铝合金 7072等。  [0008] The above light-emitting agent can effectively remove the stain on the surface of the aluminum alloy workpiece, the release agent, the black skin, and the black ash generated by the acid etching and the alkali corrosion to form a clean and bright surface for subsequent passivation, oxidation, and spraying. Or plating, etc. provide excellent bonding. Operation 吋 no nitrogen oxides and yellow smoke gas, which is beneficial to the environment and the health of the operator. The above-mentioned light-emitting agent can be applied to various aluminum alloy workpieces (except for die-cast aluminum). For example: aluminum alloy 6 061, aluminum alloy 7072 and so on.
本发明的实施方式 Embodiments of the invention
[0009] 以下将结合具体实施例对本发明进行详细说明。 The present invention will be described in detail below with reference to specific embodiments.
[0010] 本发明实施例提供一种出光剂， 用于铝合金的工件表面除灰除污处理， 包括如 下质量含量的成分： 50-500g/L硝酸， l-200g/L磷酸， l-50g/L高锰酸钾， l-200g/L 硫酸， l-10g/L壬基酚聚氧乙烯醚， 200-500g/L水。 其中， 硝酸为质量分数 68%的 硝酸溶液， 磷酸为质量分数 85%的磷酸溶液， 硫酸为质量分数 98%的浓硫酸溶液  [0010] Embodiments of the present invention provide a light-emitting agent for ash removal and decontamination treatment of a workpiece on an aluminum alloy, including the following components: 50-500 g/L nitric acid, l-200 g/L phosphoric acid, l-50 g /L potassium permanganate, l-200g/L sulfuric acid, l-10g/L nonylphenol ethoxylate, 200-500g/L water. Among them, nitric acid is a nitric acid solution with a mass fraction of 68%, phosphoric acid is a phosphoric acid solution with a mass fraction of 85%, and sulfuric acid is a concentrated sulfuric acid solution with a mass fraction of 98%.
[0011] 具体地， 所述硝酸的质量含量优选为 100-500g/L， 优选地， 所述高锰酸钾的质 量含量为 10-40g/L。 所述磷酸的质量含量优选为 50-100g/L， 所述硫酸的质量含量 为 50-100g/L。 在使用吋， 所述出光剂使用吋稀释体积浓度优选为 700-1000毫升 / 升， PH值不大于 2。 [0011] Specifically, the mass content of the nitric acid is preferably from 100 to 500 g/L, and preferably, the potassium permanganate has a mass content of from 10 to 40 g/L. The mass content of the phosphoric acid is preferably from 50 to 100 g/L, and the sulfuric acid has a mass content of from 50 to 100 g/L. In the case of using hydrazine, the luminescent agent is preferably used in a dilution volume concentration of 700 to 1000 ml / liter, and a pH of not more than 2.
[0012] 在上述出光剂中， 通过控制各成分配比平衡， 以达到较佳除灰出光效果。 例如 ， 硝酸， 高锰酸钾提供氧化性用于去除黑灰并且对工件有钝化作用。 硫酸、 磷 酸帮助提供酸度， 其中磷酸也作为缓冲剂， 使去灰过程更加平缓。 壬基酚聚氧 乙烯醚使反应均匀不产生点腐蚀且有去除污渍的作用。  [0012] In the above-mentioned light-emitting agent, the balance of each of the distribution ratios is controlled to achieve a better ash-removing effect. For example, nitric acid, potassium permanganate provides oxidative properties for removing black ash and has a passivating effect on the workpiece. Sulfuric acid and phosphoric acid help provide acidity, and phosphoric acid also acts as a buffer to make the deashing process more gradual. Nonylphenol ethoxylates allow the reaction to be uniform without pitting corrosion and stain removal.
[0013] 本实施例的出光剂适用于各种铝合金工件， 由于铝合金工在酸洗或碱洗后产生 的黑灰， 采用该出光剂能有效去除黑灰和出光。  [0013] The light-emitting agent of the present embodiment is suitable for various aluminum alloy workpieces, and the black light ash generated by the aluminum alloy worker after pickling or alkali washing can effectively remove black ash and light.
[0014] 本发明实施例还提供一种铝合金工件表面除灰除污处理方法， 其包括下列步骤 ： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 用出光溶液处 理铝合金工件， 经过预定吋间处理后， 水洗。  [0014] An embodiment of the present invention further provides a method for removing ash and decontamination of an aluminum alloy workpiece surface, comprising the steps of: preparing a light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, and treating the light-emitting solution with a light-emitting solution; The aluminum alloy workpiece is washed with water after a predetermined daytime treatment.
[0015] 具体地， 在用出光溶液处理铝合金工件前， 先对铝合金工件作除污处理， 再用 出光溶液处理铝合金工件， 并水洗铝合金工件， 然后再钝化、 氧化、 喷涂、 电 镀等处理铝合金工件表面。 当然， 出光剂本身可进行除污。 优选地， 所述出光 溶液处理吋用出光溶液浸泡铝合金工件， 处理温度为 0-30°C， 所述浸泡铝合金工 件吋间为 10-120秒。 另外， 出光剂使用吋稀释体积浓度优选为 700-1000毫升 /升， 优选为 800-950毫升 /升， PH值小于 2。 [0015] Specifically, before the aluminum alloy workpiece is treated with the light-emitting solution, the aluminum alloy workpiece is decontaminated and reused. The light-emitting solution is used to treat the aluminum alloy workpiece, and the aluminum alloy workpiece is washed, and then the surface of the aluminum alloy workpiece is treated by passivation, oxidation, spraying, electroplating, and the like. Of course, the light-emitting agent itself can be decontaminated. Preferably, the light-emitting solution is treated by immersing the aluminum alloy workpiece with a light-emitting solution at a treatment temperature of 0-30 ° C, and the immersion aluminum alloy workpiece is between 10 and 120 seconds. Further, the light-emitting agent preferably has a dilution volume concentration of from 700 to 1000 ml/liter, preferably from 800 to 950 ml/liter, and a pH of less than 2.
[0016] 使用吋， 可将出光溶液在清洗槽配制好， 所述清洗槽采用耐酸塑料槽、 玻璃钢 槽或低碳钢， 所述玻璃钢槽或低碳钢采用 PVC塑料内衬， 处理吋将铝合金工件浸 入槽内出光溶液中。 [0016] The enamel solution can be prepared in a cleaning tank, which adopts an acid-resistant plastic tank, a glass steel tank or a low carbon steel, and the glass reinforced plastic tank or low carbon steel is lined with a PVC plastic, and the aluminum alloy is treated with aluminum. The alloy workpiece is immersed in the light-emitting solution in the tank.
[0017] 本发明实施例还提供一种铝合金工件， 其表面经过如上所述的铝合金工件表面 除灰除污处理方法进行表面处理， 再通过钝化、 氧化、 喷涂、 电镀形成保护膜 。 当然还可以用于其他需要进行除灰除污处理的铝合金工件。  [0017] An embodiment of the present invention further provides an aluminum alloy workpiece, the surface of which is subjected to surface treatment by the method for removing ash and decontamination of the surface of the aluminum alloy workpiece as described above, and then the protective film is formed by passivation, oxidation, spraying, and electroplating. Of course, it can also be used for other aluminum alloy workpieces that require ash removal and decontamination treatment.
[0018] 上述出光剂能有效去除铝合金工件表面的污斑、 脱模剂、 黑皮和经酸蚀， 碱腐 蚀后产生的黑灰， 产生清洁光亮之表面， 为后续钝化、 氧化、 喷涂、 电镀等提 供优异的结合力。 由于铝合金酸洗或碱洗后产生的黑灰， 通过该出光剂能够快 速清除掉铝材表面的杂灰， 使铝件恢复到原本的色泽， 提高皮膜的附着力和防 腐性， 环保。 操作吋无氮氧化物和黄烟气体产生， 有利于环保和操作员身体健 康。 上述出光剂适合于各种铝合金工件 （除压铸铝外） ， 例如： 铝合金 6061， 铝合金 7072等。  [0018] The above-mentioned light-emitting agent can effectively remove the stain on the surface of the aluminum alloy workpiece, the release agent, the black skin and the black ash generated by the acid etching and the alkali corrosion, and generate a clean and bright surface for subsequent passivation, oxidation and spraying. , plating, etc. provide excellent bonding. Due to the black ash generated by pickling or alkali washing of the aluminum alloy, the glazing agent on the surface of the aluminum material can be quickly removed by the light-emitting agent, and the aluminum member can be restored to the original color, the adhesion of the film and the anti-corrosion property are improved, and the environment is environmentally friendly. It is produced without nitrogen oxides and yellow smoke, which is good for the environment and the health of the operators. The above-mentioned light-emitting agent is suitable for various aluminum alloy workpieces (except for die-cast aluminum), such as: aluminum alloy 6061, aluminum alloy 7072, and the like.
[0019] 以下通过具体实例说明本发明实施例的出光剂及其除灰除污处理方法等方面。  [0019] Hereinafter, the light-emitting agent, the ash removal and decontamination treatment method and the like of the embodiments of the present invention are described by way of specific examples.
[0020] 实施例 1 Embodiment 1
[0021] 按照下列重量混合各成分： 500g份硝酸， lg磷酸， lg高锰酸钾， lg硫酸， lg壬 基酚聚氧乙烯醚， 加水到 1L， 搅拌， 混合均匀， 配成出光剂。  [0021] The components were mixed according to the following weights: 500 g of nitric acid, lg phosphoric acid, lg potassium permanganate, lg sulfuric acid, lg nonylphenol ethoxylate, water was added to 1 L, stirred, uniformly mixed, and formulated into a light-emitting agent.
[0022] 处理方法： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 出光 齐啲体积浓度为 700毫升 /升， 控制 PH值小于 2， 然后， 用出光溶液处理含黑灰的 铝合金工件， 经过 2分钟处理后， 水洗。 [0022] Processing method: preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 700 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
[0023] 经过上述出光溶液处理后， 观察工件表面， 发现工件表面洁白干净， 黑灰去除 度 97%以上， 无斑点， 无点腐蚀。 [0023] After the above-mentioned light-emitting solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be white and clean, and the black ash removal degree was 97% or more, no spots, no pitting corrosion.
[0024] 实施例 2 [0025] 按照下列重量混合各成分： 400g份硝酸， 20g磷酸， 10g高锰酸钾， 20g硫酸， 3 g壬基酚聚氧乙烯醚， 加水到 1L， 搅拌， 混合均匀， 配成出光剂。 [0024] Example 2 [0025] The ingredients were mixed according to the following weights: 400 g parts of nitric acid, 20 g of phosphoric acid, 10 g of potassium permanganate, 20 g of sulfuric acid, 3 g of nonylphenol ethoxylate, water was added to 1 L, stirred, and uniformly mixed to prepare a light-emitting agent.
[0026] 处理方法： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 出光 齐啲体积浓度为 900毫升 /升， 控制 PH值小于 2， 然后， 用出光溶液处理含黑灰的 铝合金工件， 经过 2分钟处理后， 水洗。 [0026] Treatment method: preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 900 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
[0027] 经过上述出光溶液处理后， 观察工件表面， 发现工件表面洁白干净， 黑灰去除 度 99%以上， 无斑点， 无点腐蚀。 [0027] After the above-mentioned light-emitting solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be white and clean, and the black ash removal degree was over 99%, no spots, no pitting corrosion.
[0028] 实施例 3 Embodiment 3
[0029] 按照下列重量混合各成分： 300g份硝酸， 50g磷酸， 20g高锰酸钾， 50g硫酸， 5 g壬基酚聚氧乙烯醚， 加水到 1L， 搅拌， 混合均匀， 配成出光剂。  [0029] The ingredients were mixed according to the following weights: 300 g parts of nitric acid, 50 g of phosphoric acid, 20 g of potassium permanganate, 50 g of sulfuric acid, 5 g of nonylphenol ethoxylate, added with water to 1 L, stirred, uniformly mixed, and formulated into a light-emitting agent.
[0030] 处理方法： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 出光 齐啲体积浓度为 900毫升 /升， 控制 PH值小于 2， 然后， 用出光溶液处理含黑灰的 铝合金工件， 经过 2分钟处理后， 水洗。 [0030] Processing method: preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the light-emitting volume concentration is 900 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
[0031] 经过上述出光溶液处理后， 观察工件表面， 发现工件表面洁白干净， 黑灰去除 度 98%以上， 无斑点， 无点腐蚀。 [0031] After the above-mentioned light-emitting solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be white and clean, and the black ash removal degree was 98% or more, no spots, no pitting corrosion.
[0032] 实施例 4 Embodiment 4
[0033] 按照下列重量混合各成分： 200g份硝酸， 200g磷酸， 40g高锰酸钾， 200g硫酸  [0033] The ingredients are mixed according to the following weight: 200 g parts of nitric acid, 200 g of phosphoric acid, 40 g of potassium permanganate, 200 g of sulfuric acid
， 7g壬基酚聚氧乙烯醚， 加水到 1L， 搅拌， 混合均匀， 配成出光剂。  , 7g nonylphenol ethoxylate, add water to 1L, stir, mix well, and prepare a light agent.
[0034] 处理方法： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 出光 剂的体积浓度为 800毫升 /升， 控制 PH值小于 2， 然后， 用出光溶液处理含黑灰的 铝合金工件， 经过 2分钟处理后， 水洗。 [0034] Processing method: preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the volume concentration of the light-emitting agent is 800 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution The ash aluminum alloy workpiece is washed after 2 minutes of treatment.
[0035] 经过上述出光溶液处理后观察工件表面， 发现工件表面洁白干净， 黑灰去除度[0035] After the above-mentioned light-emitting solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be white and clean, and the black ash removal degree was observed.
97%以上， 无斑点， 无点腐蚀。 More than 97%, no spots, no pitting corrosion.
[0036] 实施例 5 Embodiment 5
[0037] 按照下列重量混合各成分： 100g份硝酸， 100g磷酸， 50g高锰酸钾， 100g硫酸  [0037] The ingredients are mixed according to the following weights: 100 g parts of nitric acid, 100 g of phosphoric acid, 50 g of potassium permanganate, 100 g of sulfuric acid
， 10g壬基酚聚氧乙烯醚， 加水到 1L， 搅拌， 混合均匀， 配成出光剂。  , 10g nonylphenol ethoxylate, add water to 1L, stir, mix well, and prepare a light agent.
[0038] 处理方法： 配制如上所述的出光剂； 将出光剂溶于水中配制成出光溶液， 出光 剂的体积浓度为 800毫升 /升， 控制 PH值小于 2， 然后， 用出光溶液处理含黑灰的 铝合金工件， 经过 2分钟处理后， 水洗。 [0038] Processing method: preparing the light-emitting agent as described above; dissolving the light-emitting agent in water to prepare a light-emitting solution, the volume concentration of the light-emitting agent is 800 ml/liter, controlling the pH value to be less than 2, and then treating the black-containing solution with the light-emitting solution Gray The aluminum alloy workpiece is washed after 2 minutes of treatment.
[0039] 经过上述出光溶液处理后， 观察工件表面， 发现工件表面洁白干净， 黑灰去除 度 95%以上， 无斑点， 无点腐蚀。 [0039] After the above-mentioned light-emitting solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be white and clean, and the black ash removal degree was over 95%, no spots, no pitting corrosion.
[0040] 需要说明的是， 本发明并不局限于上述实施方式， 根据本发明的创造精神， 本 领域技术人员还可以做出其他变化， 这些依据本发明的创造精神所做的变化， 都应包含在本发明所要求保护的范围之内。 [0040] It should be noted that the present invention is not limited to the above embodiments, and other changes may be made by those skilled in the art according to the inventive spirit of the present invention, and the changes according to the inventive spirit of the present invention should be It is intended to be included within the scope of the invention as claimed.

Claims

权利要求书 Claim
一种出光剂， 用于去除铝合金工件表面黑灰和污渍， 其特征在于， 包 括如下质量含量的成分： 50-500g/L份硝酸， l-200g/L磷酸， l-50g/L 高锰酸钾， l-200g/L硫酸， l-10g/L壬基酚聚氧乙烯醚， 200-500g/L水 如权利要求 1所述的出光剂， 其特征在于， 所述硝酸的质量含量为 100 -300g/L。 A light-emitting agent for removing black ash and stains on the surface of an aluminum alloy workpiece, characterized by comprising the following mass components: 50-500 g/L nitric acid, l-200 g/L phosphoric acid, l-50 g/L high manganese Potassium acid, l-200g/L sulfuric acid, l-10g/L nonylphenol ethoxylate, 200-500g/L water, the light-emitting agent according to claim 1, wherein the content of the nitric acid is 100 -300g/L.
如权利要求 1所述的出光剂， 其特征在于， 所述高锰酸钾的质量含量 为 10-40g/L。 The light-emitting agent according to claim 1, wherein the potassium permanganate has a mass content of 10 to 40 g/L.
如权利要求 1所述的出光剂， 其特征在于， 所述磷酸的质量含量为 50- 100g/L。 The light-emitting agent according to claim 1, wherein the phosphoric acid has a mass content of 50 to 100 g/L.
如权利要求 1所述的出光剂， 其特征在于， 所述硫酸的质量含量为 50- 100g/L。 The light-emitting agent according to claim 1, wherein the sulfuric acid has a mass content of 50 to 100 g/L.
如权利要求 1所述的出光剂， 其特征在于， 所述的壬基酚聚氧乙烯醚 质量含量为 l-10g/L。 The light-emitting agent according to claim 1, wherein the nonylphenol ethoxylate has a mass content of from 10 to 10 g/L.
如权利要求 1所述的出光剂， 其特征在于， 所述出光剂使用吋 PH值不 大于 2。 The light-emitting agent according to claim 1, wherein the light-emitting agent has a 吋 PH value of not more than 2.
一种铝合金工件表面除灰除污处理方法， 其包括下列步骤： 配制如权 利要求 1-7任一项所述的出光剂； 将出光剂溶于水中配制成出光溶液 ， 用出光溶液处理铝合金工件， 经过预定吋间处理后， 水洗。 A method for removing ash and decontaminating a surface of an aluminum alloy workpiece, comprising the steps of: preparing a light-emitting agent according to any one of claims 1 to 7; dissolving a light-emitting agent in water to prepare a light-emitting solution, and treating the aluminum with a light-emitting solution; The alloy workpiece is washed with water after a predetermined daytime treatment.
如权利要求 7所述的铝合金工件表面除灰除污处理方法， 其特征在于 ， 在用出光溶液处理铝合金工件前， 先对铝合金工件作除油处理， 在 出光溶液处理铝合金工件后， 再水洗铝合金工件， 然后再钝化或氧化 处理铝合金工件表面。 The method for removing ash and decontamination of an aluminum alloy workpiece surface according to claim 7, wherein before the aluminum alloy workpiece is treated with the light-emitting solution, the aluminum alloy workpiece is degreased, and after the light-emitting solution is processed, the aluminum alloy workpiece is processed. , then wash the aluminum alloy workpiece, and then passivate or oxidize the surface of the aluminum alloy workpiece.
如权利要求 7所述的铝合金工件表面除灰除污处理方法， 其特征在于 ， 所述出光溶液处理吋用出光溶液浸泡或喷淋铝合金工件， 处理温度 为 0-30°C， 所述浸泡铝合金工件吋间为 10-120秒。 The method for removing ash and decontaminating a surface of an aluminum alloy workpiece according to claim 7, wherein the light-emitting solution is treated by immersing or spraying an aluminum alloy workpiece with a light-emitting solution, and the treatment temperature is 0-30 ° C, Soak the aluminum alloy workpiece between 10 and 120 seconds.
一种铝合金工件， 其特征在于， 所述铝合金工件表面经过如权利要求 8-10任一项所述的铝合金工件表面除灰除污处理方法进行表面处理， 再通过钝化、 氧化、 喷涂或电镀形成保护膜。 An aluminum alloy workpiece, characterized in that the surface of the aluminum alloy workpiece is subjected to the claims The surface of the aluminum alloy workpiece according to any one of 8 to 10 is subjected to surface treatment, and then a protective film is formed by passivation, oxidation, spraying or electroplating.
PCT/CN2017/086359 2017-05-27 2017-05-27 Brightening agent, aluminum alloy workpiece, and surface ash and stain removal method therefor WO2018218435A1 (en)

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