WO2019006669A1 - 抛光剂、不锈钢件抛光处理方法和不锈钢件 - Google Patents

抛光剂、不锈钢件抛光处理方法和不锈钢件 Download PDF

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WO2019006669A1
WO2019006669A1 PCT/CN2017/091736 CN2017091736W WO2019006669A1 WO 2019006669 A1 WO2019006669 A1 WO 2019006669A1 CN 2017091736 W CN2017091736 W CN 2017091736W WO 2019006669 A1 WO2019006669 A1 WO 2019006669A1
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parts
stainless steel
polishing
polishing agent
weight
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PCT/CN2017/091736
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English (en)
French (fr)
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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/CN2017/091736 priority Critical patent/WO2019006669A1/zh
Publication of WO2019006669A1 publication Critical patent/WO2019006669A1/zh

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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-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
    • C23F3/00Brightening metals by chemical means
    • C23F3/04Heavy metals
    • C23F3/06Heavy metals with acidic solutions

Definitions

  • the present invention relates to the field of iron surface treatment technology, and in particular to a polishing agent, a stainless steel member polishing treatment method, and a stainless steel member.
  • the surface treatment technology of the workpiece is usually applied.
  • surface treatment processes for stainless steel, zinc alloys, aluminum, and the like are well known in a variety 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 polishing agent which is odorless, has good corrosion resistance, and a stainless steel member polishing method and a polished stainless steel member.
  • a polishing agent comprising the following parts by weight: 10-20 parts of sulfuric acid, 15-25 parts of phosphoric acid, 0.1-0.4 parts of gelatin, 0.5-2 parts of chromic anhydride, 0.01-0.04 urea, 1-2 parts water.
  • a stainless steel member polishing treatment method comprising the following steps: preparing a polishing agent as described above; polishing by electrolysis, using a stainless steel member as an anode for a positive electrode, a cathode for a lead plate, and heating to 80 ° C
  • the same voltage is 12V, after a predetermined daytime treatment, and then immersed in warm water of about 30 °C for 20 minutes for passivation, and then decomposed in water for 8 hours, which gives a higher gloss.
  • the surface of the stainless steel piece is clean and bright, and the whole polishing treatment method is simple, safe, odorless, free from harmful gas escape, and convenient to operate.
  • Embodiments of the present invention provide a polishing agent for surface pretreatment of stainless steel parts, including the following parts by weight: 10-20 parts of sulfuric acid, 15-25 parts of phosphoric acid, 0.1-0.4 parts of gelatin, 0.5-2 Chromic anhydride, 0.01-0.04 urea, 1-2 parts water.
  • the sulfuric acid is preferably from 14 to 18 parts by weight.
  • the weight fraction of the phosphoric acid is preferably 18-2 2 parts
  • the weight fraction of the gelatin is preferably 0.2-0.3 parts
  • the weight fraction of the chromic anhydride is preferably 1-2 parts.
  • the urea is preferably 0.02-0.03 parts by weight
  • the water is preferably 1.2-1.8 parts by weight.
  • An embodiment of the present invention further provides a method for polishing a stainless steel member, comprising the steps of: preparing a polishing agent as described above; polishing by electrolysis, using a stainless steel member as an anode for a positive electrode, a cathode for a lead plate, and heating to At 80 ° C, the same voltage is applied to the current of 12 V, and the predetermined time is processed.
  • the predetermined time is 2-5 minutes. Further, after polishing, the temperature is controlled at 80 ° C, after being polished, and then immersed in warm water of about 30 ° C for 20 minutes for passivation, and then decomposed in water for 8 hours to obtain a high gloss. Stainless steel parts. Further, before polishing, pretreatment such as degreasing, degreasing and descaling is performed.
  • Embodiments of the present invention also provide a stainless steel member which is subjected to a polishing treatment by a stainless steel member polishing treatment method as described above to form a stainless steel member to form a clean high-brightness surface. After the above polishing agent treatment, the surface of the stainless steel piece is clean and bright, and the whole polishing treatment method is simple, safe, odorless, no harmful gas escapes, and convenient to operate.
  • the components are mixed according to the following parts by weight: 10 parts of sulfuric acid, 15 parts of phosphoric acid, 0.1 parts of gelatin, 0.5 parts Chromic anhydride, 0.01 urea, 1 part water.
  • Treatment method preparing the polishing agent; the stainless steel parts should be degreased and descaled, then washed, and then the treated stainless steel parts are immersed in the polishing agent solution, polished by electrolysis, and the stainless steel parts are used as anodes.
  • the positive pole of the power supply, the cathode is a lead plate, heated to 80 ° C, the same voltage is 12V, after 5 minutes of treatment, and then soaked in warm water of about 30 ° C for 20 minutes for passivation, and then Decomposition in water for 8 hours gives a high gloss stainless steel piece.
  • the ingredients are mixed in the following parts by weight: 14 parts of sulfuric acid, 18 parts of phosphoric acid, 0.2 parts of gelatin, 1 part of chromic anhydride, 0.02 urea, and 1.3 parts of water.
  • Processing method preparing the polishing agent; the stainless steel parts should be degreased and descaled, then washed, then the treated stainless steel parts are immersed in the polishing agent solution, polished by electrolysis, and the stainless steel parts are used as anodes.
  • the positive pole of the power supply, the cathode is a lead plate, heated to 80 ° C, the same voltage is 12V, after 4 minutes of treatment, and then soaked in warm water of about 30 ° C for 20 minutes for passivation, and then Decomposition in water for 8 hours gives a high gloss stainless steel piece.
  • the ingredients are mixed according to the following parts by weight: 17 parts of sulfuric acid, 22 parts of phosphoric acid, 0.3 parts of gelatin, 1.5 parts of chromic anhydride, 0.03 of urea, and 1.7 parts of water.
  • Processing method preparing a polishing agent; the stainless steel parts should be degreased and descaled, then washed, and then the treated stainless steel parts are immersed in the polishing agent solution, polished by electrolysis, and the stainless steel parts are used as anodes.
  • the positive pole of the power supply, the cathode is a lead plate, heated to 80 ° C, the same voltage is applied to the current of 12V, after 3 minutes of treatment, and then immersed in warm water of about 30 ° C for 20 minutes for passivation, and then Decomposition in water for 8 hours gives a high gloss stainless steel piece.
  • the ingredients are mixed in the following parts by weight: 20 parts of sulfuric acid, 25 parts of phosphoric acid, 0.4 parts of gelatin, 2 parts of chromic anhydride, 0.04 of urea, and 2 parts of water.
  • Treatment method preparing a polishing agent; the stainless steel parts should be degreased and descaled, then washed, and then the treated stainless steel parts are immersed in the polishing agent solution, polished by electrolysis, and the stainless steel parts are used as anodes.
  • the positive pole of the power supply, the cathode is a lead plate, heated to 80 ° C, the same voltage is 12V, after 2 minutes of treatment, and then soaked in warm water of about 30 ° C for 20 minutes for passivation, and then Decomposition in water for 8 hours gives a high gloss stainless steel piece.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical 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、不锈钢件及其抛光处理方法。抛光剂用于不锈钢件表面预处理,包括如下重量份数的成分:10-20份硫酸,15-25份磷酸,0.1-0.4份明胶,0.5-2份铬酐,0.01-0.04尿素,1-2份水。经过上述抛光剂处理后,不锈钢件损失少,表面清洁光亮,光泽度高,能保持长时间不腐蚀,而且整个抛光处理方法工艺简单、操作方便。

Description

抛光剂、 不锈钢件抛光处理方法和不锈钢件 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、 不锈钢件抛光处理方 法和不锈钢件。
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, 不锈钢、 锌 合金、 铝等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, 常见的有不锈钢及不锈钢合金清洁光亮处理 , 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, 能耗大危险也大 技术问题
[0004] 有鉴于此, 提供一种安全的抛光剂, 无气味, 防腐性好, 以及不锈钢件抛光处 理方法和经过抛光处理后制得的不锈钢件。
问题的解决方案
技术解决方案
[0005] 一种抛光剂, 包括如下重量份数的成分: 10-20份硫酸, 15-25份磷酸, 0.1-0.4 份明胶, 0.5-2份铬酐, 0.01-0.04尿素, 1-2份水。
[0006] 一种不锈钢件抛光处理方法, 其包括下列步骤: 配制如上所述的抛光剂; 采用 电解方式进行抛光, 将不锈钢件作为阳极接电源正极, 阴极为铅板, 加温至 80°C , 同吋通入电压为 12V的电流, 经过预定吋间处理后, , 然后放入 30°C左右的温 水中浸泡 20分钟进行钝化, 再在水中分解 8小吋即得到光泽度较高的不锈钢件。
[0007] 以及, 一种不锈钢件, 其表面通过如上所述的不锈钢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, 不锈钢件表面清洁光亮, 而且整个抛光处理方法工艺 简单、 安全, 无气味, 无有害气体逸出, 操作方便。
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, 用于不锈钢件表面预处理, 包括如下重量份数 的成分: 10-20份硫酸, 15-25份磷酸, 0.1-0.4份明胶, 0.5-2份铬酐, 0.01-0.04尿 素, 1-2份水。
[0011] 具体地, 所述硫酸的重量份数优选为 14-18份。 所述磷酸的重量份数优选为 18-2 2份, 所述明胶的重量份数优选为 0.2-0.3份, 所述铬酐的重量份数优选为 1-2份。 所述尿素的重量份数优选为 0.02-0.03份, 所述水的重量份数优选为 1.2-1.8。
[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。 本发明实 施例还提供一种不锈钢件抛光处理方法, 其包括下列步骤: 配制如上所述的抛 光剂; 采用电解方式进行抛光, 将不锈钢件作为阳极接电源正极, 阴极为铅板 , 加温至 80°C, 同吋通入电压为 12V的电流, 经过预定吋间处理。
[0013] 具体地, 所述预定吋间为 2-5分钟。 进一步地, 抛光处理吋, 温度控制在 80°C , 在经过抛光后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再在水中分 解 8小吋即得到光泽度较高的不锈钢件。 更进一步地, 在抛光前, 先进行除油、 脱脂除氧化皮等预处理。
[0014] 本发明实施例还提供一种不锈钢件, 其通过如上所述的不锈钢件抛光处理方法 进行抛光处理, 使不锈钢件形成清洁高亮度的表面。 经过上述抛光剂处理后, 不锈钢件表面清洁光亮, 而且整个抛光处理方法工艺简单、 安全, 无气味, 无 有害气体逸出, 操作方便。
[0015] 实施例 1
[0016] 按照下列重量份数混合各成分包括: 10份硫酸, 15份磷酸, 0.1份明胶, 0.5份 铬酐, 0.01尿素, 1份水。
[0017] 处理方法: 配制好抛光剂; 不锈钢件应先除油和除氧化皮, 然后水洗, 再将处 理好的不锈钢件浸入抛光剂溶液中, 采用电解方式进行抛光, 将不锈钢件作为 阳极接电源正极, 阴极为铅板, 加温至 80°C, 同吋通入电压为 12V的电流, 经过 5分钟处理后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再在水中分解 8 小吋即得到光泽度较高的不锈钢件。
[0018] 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, 无斑点颗粒等异常。 亮度比抛光之前提高 40%以上。 不锈钢件 2年以上不腐蚀。
[0019] 实施例 2
[0020] 按照下列重量份数混合各成分包括: 14份硫酸, 18份磷酸, 0.2份明胶, 1份铬 酐, 0.02尿素, 1.3份水。
[0021] 处理方法: 配制好抛光剂; 不锈钢件应先除油和除氧化皮, 然后水洗, 再将处 理好的不锈钢件浸入抛光剂溶液中, 采用电解方式进行抛光, 将不锈钢件作为 阳极接电源正极, 阴极为铅板, 加温至 80°C, 同吋通入电压为 12V的电流, 经过 4分钟处理后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再在水中分解 8 小吋即得到光泽度较高的不锈钢件。
[0022] 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, 无斑点颗粒等异常。 亮度比抛光之前提高 40%以上。 不锈钢件 2年以上不腐蚀。
[0023] 实施例 3
[0024] 按照下列重量份数混合各成分包括: 17份硫酸, 22份磷酸, 0.3份明胶, 1.5份 铬酐, 0.03尿素, 1.7份水。
[0025] 处理方法: 配制好抛光剂; 不锈钢件应先除油和除氧化皮, 然后水洗, 再将处 理好的不锈钢件浸入抛光剂溶液中, 采用电解方式进行抛光, 将不锈钢件作为 阳极接电源正极, 阴极为铅板, 加温至 80°C, 同吋通入电压为 12V的电流, 经过 3分钟处理后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再在水中分解 8 小吋即得到光泽度较高的不锈钢件。
[0026] 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, 无斑点颗粒等异常。 亮度比抛光之前提高 40%以上。 不锈钢件 2年以上不腐蚀。 [0027] 实施例 4
[0028] 按照下列重量份数混合各成分包括: 20份硫酸, 25份磷酸, 0.4份明胶, 2份铬 酐, 0.04尿素, 2份水。
[0029] 处理方法: 配制好抛光剂; 不锈钢件应先除油和除氧化皮, 然后水洗, 再将处 理好的不锈钢件浸入抛光剂溶液中, 采用电解方式进行抛光, 将不锈钢件作为 阳极接电源正极, 阴极为铅板, 加温至 80°C, 同吋通入电压为 12V的电流, 经过 2分钟处理后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再在水中分解 8 小吋即得到光泽度较高的不锈钢件。
[0030] 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, 无斑点颗粒等异常。 亮度比抛光之前提高 40%以上。 不锈钢件 2年以上不腐蚀。
[0031] 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, 包括如下重量份数的成分: 10-20份硫酸 , 15-25份磷酸, 0.1-0.4份明胶, 0.5-2份铬酐, 0.01-0.04尿素, 1-2份 水。
[权利要求 2] 如权利要求 1所述的抛光剂, 其特征在于, 所述硫酸重量份数为 14-18 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 18- 22份。
[权利要求 4] 如权利要求 1所述的抛光剂, 其特征在于, 所述明胶的重量份数为 0.2- 0.3份。
[权利要求 5] 如权利要求 1所述的抛光剂, 其特征在于, 所述铬酐的重量份数为 1-2 份。
[权利要求 6] 如权利要求 1所述的抛光剂, 其特征在于, 所述尿素的重量份数为 0.0
2-0.03份。
[权利要求 7] 如权利要求 1所述的抛光剂, 其特征在于, 所述水的重量份数为 1.2-1.
8份。
[权利要求 8] 一种不锈钢件抛光处理方法, 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; 采用电解方式进行抛光, 将不锈钢件作为阳极 接电源正极, 阴极为铅板, 加温至 80°C, 同吋通入电压为 12V的电流 , 经过预定吋间处理。
[权利要求 9] 如权利要求 1所述的不锈钢件抛光处理方法, 其特征在于, 在经过预 定吋间抛光后, 然后放入 30°C左右的温水中浸泡 20分钟进行钝化, 再 在水中分解 8小吋即得到光泽度较高的不锈钢件, 所述预定吋间为 2-5 分钟。
[权利要求 10] 一种不锈钢件, 其特征在于, 所述不锈钢件表面通过如权利要求 8-9 所述的不锈钢件抛光处理方法进行抛光。
PCT/CN2017/091736 2017-07-04 2017-07-04 抛光剂、不锈钢件抛光处理方法和不锈钢件 WO2019006669A1 (zh)

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