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WO2019006603A1 - 抛光剂、铝合金件及其抛光处理方法 - Google Patents

抛光剂、铝合金件及其抛光处理方法 Download PDF

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Publication number
WO2019006603A1
WO2019006603A1 PCT/CN2017/091537 CN2017091537W WO2019006603A1 WO 2019006603 A1 WO2019006603 A1 WO 2019006603A1 CN 2017091537 W CN2017091537 W CN 2017091537W WO 2019006603 A1 WO2019006603 A1 WO 2019006603A1
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parts
aluminum alloy
polishing
polishing agent
weight
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PCT/CN2017/091537
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English (en)
French (fr)
Inventor
刘国平
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Shenzhen Hongchangfa Technology Co Ltd
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Shenzhen Hongchangfa Technology Co Ltd
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Priority to PCT/CN2017/091537 priority Critical patent/WO2019006603A1/zh
Publication of WO2019006603A1 publication Critical patent/WO2019006603A1/zh
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25FPROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00Electrolytic etching or polishing
    • C25F3/16Polishing
    • C25F3/18Polishing of light metals
    • C25F3/20Polishing of light metals of aluminium

Definitions

  • polishing agent polishing agent, aluminum alloy piece and polishing treatment method thereof
  • the present invention relates to the field of iron surface treatment technology, and in particular, to a polishing agent, an aluminum alloy member, and a polishing treatment method thereof.
  • the surface treatment technology of the workpiece is usually applied.
  • surface treatments for aluminum alloys, zinc alloys, steel and their alloys are well-established in a wide range of industries.
  • most workpieces require pre-treatment before surface treatment, for example, cleaning, decontamination and degreasing, and metal parts for certain applications need to be polished.
  • a safe and environmentally friendly polishing agent which is used at room temperature, has no odor, and has low energy consumption, and an aluminum alloy member polishing method and an aluminum alloy member obtained by polishing.
  • a polishing agent comprising, by weight, 100 parts by weight of the following components: 2-20 parts of nitric acid, 1-5 parts of hydrofluoric acid, 2-20 parts of phosphoric acid, 0.1-0.5 parts of EDTA, 0.1- 0.6 parts sodium tripolyphosphate, 3- 10 parts glycerol and the balance water.
  • An aluminum alloy member polishing treatment method comprising the steps of: preparing a polishing agent as described above; immersing the aluminum alloy member in a polishing agent solution, and washing the aluminum alloy member after a predetermined inter-turn treatment.
  • the surface of the aluminum alloy part is clean and bright, and the whole polishing treatment method is simple, safe and environmentally friendly, odorless, no NO 2 escapes, convenient operation, and low use cost.
  • Embodiments of the present invention provide a polishing agent for surface pretreatment of an aluminum alloy member, comprising 100 parts by weight, including the following parts by weight: 2-20 parts of nitric acid, 1-5 parts of hydrofluoric acid, 2-20 parts of phosphoric acid, 0.1-0.5 parts of E DTA, 0.1-0.6 parts of sodium tripolyphosphate, 3-10 parts of glycerol and the balance water.
  • the parts by weight of the hydrofluoric acid are preferably 2-4 parts.
  • the parts by weight of the phosphoric acid are preferably 5-15 parts
  • the parts by weight of the nitric acid are preferably 5-15 parts
  • the parts by weight of the EDTA are preferably 0.2-0.4 parts.
  • the parts by weight of the sodium tripolyphosphate are preferably 0.2 to 0.4 parts by weight
  • the parts by weight of the glycerin are preferably 5 to 8.
  • An embodiment of the present invention further provides a method for polishing an aluminum alloy member, comprising the steps of: preparing a polishing agent as described above; immersing the aluminum alloy member in a polishing agent solution, after a predetermined daytime treatment, washing the aluminum Alloy parts, dry.
  • the predetermined time is 1-15 minutes. Further, after polishing, it is passivated, then washed with water and dried. After polishing, the temperature is controlled at 20 ° C - 25 ° C, that is, polishing at room temperature. Further, pretreatment such as degreasing and degreasing is performed before polishing.
  • Embodiments of the present invention also provide an aluminum alloy member which is subjected to a polishing treatment by the aluminum alloy member polishing treatment method as described above, so that the aluminum alloy member forms a clean and bright surface. After the above polishing agent treatment, the surface of the aluminum alloy part is clean and bright, and the whole polishing treatment method is simple, safe and environmentally friendly, odorless, no NO 2 escapes, convenient operation and low use cost.
  • Embodiment 1 [0017] The components are mixed in the following parts by weight (total 100 parts by weight) including: 2 parts of nitric acid, 1 part of hydrofluoric acid, 2 parts of phosphoric acid, 0.1 part of EDTA, 0.1 part of sodium tripolyphosphate, 3 parts of C Triol and balance water.
  • Treatment method preparing a polishing agent; the aluminum alloy parts should be degreased and descaled, then washed, and then the treated aluminum alloy parts are immersed in the polishing agent solution, after being shaken for 10 minutes by the vibration machine, the aluminum is washed. Alloy parts, repassivated, washed, dried.
  • the components are mixed in the following parts by weight (total amount of 100 parts by weight) including: 6 parts of nitric acid, 2 parts of hydrofluoric acid, 6 parts of phosphoric acid, 0.2 parts of EDTA, 0.3 parts of sodium tripolyphosphate, 5 parts of C Triol and balance water.
  • Treatment method preparing a polishing agent; the aluminum alloy parts should be degreased and descaled, then washed, and then the treated aluminum alloy parts are immersed in the polishing agent solution, after being shaken for 8 minutes by the vibration machine, the aluminum is washed. Alloy parts, repassivated, washed, dried.
  • the components are mixed in the following parts by weight (total 100 parts by weight) including: 14 parts of nitric acid, 3.5 parts of hydrofluoric acid, 14 parts of phosphoric acid, 0.3 parts of EDTA, 0.4 parts of sodium tripolyphosphate, 8 parts of C Triol and balance water.
  • Treatment method preparing a polishing agent; the aluminum alloy parts should be degreased and descaled, then washed, and then the treated aluminum alloy parts are immersed in the polishing agent solution, after shaking for 5 minutes by the vibration machine, the aluminum is washed. Alloy parts, repassivated, washed, dried.
  • the components are mixed in the following parts by weight (total 100 parts by weight) including: 20 parts of nitric acid, 5 parts of hydrofluoric acid, 20 parts of phosphoric acid, 0.5 parts of EDTA, 0.6 parts of sodium tripolyphosphate, 10 parts of C Triol and balance water.
  • Treatment method preparing a polishing agent; aluminum alloy parts should first remove oil and descaling, then wash, then immerse the treated aluminum alloy parts in the polishing agent solution, after shaking for 3 minutes by the vibration machine, wash the aluminum Alloy parts, then blunt Washed, washed, dried.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

一种抛光剂、铝合金件及其抛光处理方法。抛光剂用于铝合金件表面预处理,以100重量份计,包括如下重量份数的成分:2-20份硝酸,1-5份氢氟酸,2-20份磷酸,0.1-0.5份EDTA,0.1-0.6份三聚磷酸钠,3-10份丙三醇和余量水。经过上述抛光剂处理后,铝合金件表面清洁光亮,而且整个抛光处理方法工艺简单、环保,无NO 2逸出,操作方便,使用成本低。

Description

说明书 发明名称:抛光剂、 铝合金件及其抛光处理方法 技术领域
[0001] 本发明涉及铁表面处理技术领域, 具体涉及一种抛光剂、 铝合金件及其抛光处 理方法。
背景技术
[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, 铝合金、 锌 合金、 钢铁及其合金的表面处理工艺深入各行各业中。 而且, 大多数工件在进 行表面处理前还需要经过预处理, 例如, 进行清洗, 除污除油, 某些用途的金 属工件还需要进行抛光化处理。
[0003] 一般在机械加工及电子电气行业, 常见的有铝合金及铝合金合金清洁光亮处理 , 即抛光处理。 传统的抛光剂一般采用机械抛光或三酸抛光, 其中机械抛光对 于工件几何形状复杂的抛光效果很差, 三酸抛光中的三酸即浓硝酸, 浓硝酸, 浓磷酸在高温条件下剧烈反应, 气体挥发很大, 不安全也不环保, 能耗大危险 也大。
技术问题
[0004] 有鉴于此, 提供一种安全环保的抛光剂, 常温下使用, 无气味, 能耗小, 以及 铝合金件抛光处理方法和经过抛光处理后制得的铝合金件。
问题的解决方案
技术解决方案
[0005] 一种抛光剂, 以 100重量份计, 包括如下重量份数的成分: 2-20份硝酸, 1-5份 氢氟酸, 2-20份磷酸, 0.1-0.5份 EDTA, 0.1-0.6份三聚磷酸钠, 3- 10份丙三醇和 余量水。
[0006] 一种铝合金件抛光处理方法, 其包括下列步骤: 配制如上所述的抛光剂; 将铝 合金件浸入抛光剂溶液中, 经过预定吋间处理后, 水洗铝合金件。
[0007] 以及, 一种铝合金件, 其表面通过如上所述的铝合金件抛光处理方法进行抛光 发明的有益效果
有益效果
[0008] 经过上述抛光剂处理后, 铝合金件表面清洁光亮, 而且整个抛光处理方法工艺 简单、 安全环保, 无气味, 无 NO 2逸出, 操作方便, 使用成本低。
本发明的实施方式
[0009] 以下将结合具体实施例对本发明进行详细说明。
[0010] 本发明实施例提供一种抛光剂, 用于铝合金件表面预处理, 以 100重量份计, 包括如下重量份数的成分: 2-20份硝酸, 1-5份氢氟酸, 2-20份磷酸, 0.1-0.5份 E DTA, 0.1-0.6份三聚磷酸钠, 3-10份丙三醇和余量水。
[0011] 具体地, 所述氢氟酸的重量份数优选为 2-4份。 所述磷酸的重量份数优选为 5-15 份, 所述硝酸的重量份数优选为 5-15份, 所述 EDTA的重量份数优选为 0.2-0.4份 。 所述三聚磷酸钠的重量份数优选为 0.2-0.4份, 所述丙三醇的重量份数优选为 5- 8。
[0012] 在上述抛光剂中, 通过控制各成分配比平衡, 以达到较佳抛光效果。 氢氟酸主 要与基材反应, 磷酸、 硝酸使反应均匀细致并且有抛光效果, EDTA、 三聚磷酸 钠、 丙三醇增加抛光效果。
[0013] 本发明实施例还提供一种铝合金件抛光处理方法, 其包括下列步骤: 配制如上 所述的抛光剂; 将铝合金件浸入抛光剂溶液中, 经过预定吋间处理后, 水洗铝 合金件, 干燥。
[0014] 具体地, 所述预定吋间为 1-15分钟。 进一步地, 在经过抛光后, 再钝化, 然后 水洗, 干燥。 抛光处理吋, 温度控制在 20°C-25°C, 即常温下进行抛光处理。 更 进一步地, 在抛光前, 先进行除油脱脂等预处理。
[0015] 本发明实施例还提供一种铝合金件, 其通过如上所述的铝合金件抛光处理方法 进行抛光处理, 使铝合金件形成清洁光亮的表面。 经过上述抛光剂处理后, 铝 合金件表面清洁光亮, 而且整个抛光处理方法工艺简单、 安全环保, 无气味, 无 NO 2逸出, 操作方便, 使用成本低。
[0016] 实施例 1 [0017] 按照下列重量份数混合各成分 (总量为 100重量份计) 包括: 2份硝酸, 1份氢 氟酸, 2份磷酸, 0.1份 EDTA, 0.1份三聚磷酸钠, 3份丙三醇和余量水。
[0018] 处理方法: 配制好抛光剂; 铝合金件应先除油和除氧化皮, 然后水洗, 再将处 理好的铝合金件浸入抛光剂溶液中, 经震机震动 10分钟后, 水洗铝合金件, 再 钝化, 水洗, 干燥。
[0019] 经过上述抛光剂溶液处理后, 观察工件表面, 整个表面清洁光亮, 颜色一致, 亮度比抛光之前提高 30%以上。
[0020] 实施例 2
[0021] 按照下列重量份数混合各成分 (总量为 100重量份计) 包括: 6份硝酸, 2份氢 氟酸, 6份磷酸, 0.2份 EDTA, 0.3份三聚磷酸钠, 5份丙三醇和余量水。
[0022] 处理方法: 配制好抛光剂; 铝合金件应先除油和除氧化皮, 然后水洗, 再将处 理好的铝合金件浸入抛光剂溶液中, 经震机震动 8分钟后, 水洗铝合金件, 再钝 化, 水洗, 干燥。
[0023] 经过上述抛光剂溶液处理后, 观察工件表面, 整个表面清洁光亮, 颜色一致, 亮度比抛光之前提高 40%以上。
[0024] 实施例 3
[0025] 按照下列重量份数混合各成分 (总量为 100重量份计) 包括: 14份硝酸, 3.5份 氢氟酸, 14份磷酸, 0.3份 EDTA, 0.4份三聚磷酸钠, 8份丙三醇和余量水。
[0026] 处理方法: 配制好抛光剂; 铝合金件应先除油和除氧化皮, 然后水洗, 再将处 理好的铝合金件浸入抛光剂溶液中, 经震机震动 5分钟后, 水洗铝合金件, 再钝 化, 水洗, 干燥。
[0027] 经过上述抛光剂溶液处理后, 观察工件表面, 整个表面清洁光亮, 颜色一致, 亮度比抛光之前提高 50%以上。
[0028] 实施例 4
[0029] 按照下列重量份数混合各成分 (总量为 100重量份计) 包括: 20份硝酸, 5份氢 氟酸, 20份磷酸, 0.5份 EDTA, 0.6份三聚磷酸钠, 10份丙三醇和余量水。
[0030] 处理方法: 配制好抛光剂; 铝合金件应先除油和除氧化皮, 然后水洗, 再将处 理好的铝合金件浸入抛光剂溶液中, 经震机震动 3分钟后, 水洗铝合金件, 再钝 化, 水洗, 干燥。
[0031] 经过上述抛光剂溶液处理后, 观察工件表面, 整个表面清洁光亮, 颜色一致, 亮度比抛光之前提高 45%以上。
[0032] 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。

Claims

权利要求书
[权利要求 1] 一种抛光剂, 其特征在于, 以 100重量份计, 包括如下重量份数的成 分: 2-20份硝酸, 1-5份氢氟酸, 2-20份磷酸, 0.1-0.5份 EDTA, 0.1-0. 6份三聚磷酸钠, 3-10份丙三醇和余量水。
[权利要求 2] 如权利要求 1所述的抛光剂, 其特征在于, 所述硝酸的重量份数为 5-1
8份。
[权利要求 3] 如权利要求 1所述的抛光剂, 其特征在于, 所述磷酸的重量份数为 5-1
5份。
[权利要求 4] 如权利要求 1所述的抛光剂, 其特征在于, 所述氢氟酸的重量份数为 2
-4份。
[权利要求 5] 如权利要求 1所述的抛光剂, 其特征在于, 所述 EDTA的重量份数为 0.
2-0.4份。
[权利要求 6] 如权利要求 1所述的抛光剂, 其特征在于, 所述三聚磷酸钠的重量份 数为 0.2-0.4份。
[权利要求 7] 如权利要求 1所述的抛光剂, 其特征在于, 所述丙三醇的重量份数为 5
-8份。
[权利要求 8] 一种铝合金件抛光处理方法, 其包括下列步骤: 配制如权利要求 1-7 任一项所述的抛光剂; 将铝合金件浸入抛光剂溶液中, 经过预定吋间 处理后, 水洗铝合金件, 进入下一道工序。
[权利要求 9] 如权利要求 1所述的铝合金件抛光处理方法, 其特征在于, 在经过抛 光后, 再钝化, 然后水洗干燥, 所述预定吋间为 1-15分钟。
[权利要求 10] 一种铝合金件, 其特征在于, 所述铝合金件表面通过如权利要求 8所 述的铝合金件抛光处理方法进行抛光。
PCT/CN2017/091537 2017-07-03 2017-07-03 抛光剂、铝合金件及其抛光处理方法 Ceased WO2019006603A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6579439B1 (en) * 2001-01-12 2003-06-17 Southern Industrial Chemicals, Inc. Electrolytic aluminum polishing processes
CN102154649A (zh) * 2011-03-31 2011-08-17 贵州大学 医用NiTi形状记忆合金抛光液
CN102312276A (zh) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 铝硅合金的电解抛光液
CN102312275A (zh) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 铝及铝镁合金的电解抛光液
CN102513916A (zh) * 2011-12-15 2012-06-27 西安北方捷瑞光电科技有限公司 一种超精密光学元件的微孔抛光方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6579439B1 (en) * 2001-01-12 2003-06-17 Southern Industrial Chemicals, Inc. Electrolytic aluminum polishing processes
CN102154649A (zh) * 2011-03-31 2011-08-17 贵州大学 医用NiTi形状记忆合金抛光液
CN102312276A (zh) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 铝硅合金的电解抛光液
CN102312275A (zh) * 2011-08-22 2012-01-11 吴江市精工铝字制造厂 铝及铝镁合金的电解抛光液
CN102513916A (zh) * 2011-12-15 2012-06-27 西安北方捷瑞光电科技有限公司 一种超精密光学元件的微孔抛光方法

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