WO2018006273A1 - 防锈粉、金属工件及其防锈处理方法 - Google Patents
防锈粉、金属工件及其防锈处理方法 Download PDFInfo
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- WO2018006273A1 WO2018006273A1 PCT/CN2016/088705 CN2016088705W WO2018006273A1 WO 2018006273 A1 WO2018006273 A1 WO 2018006273A1 CN 2016088705 W CN2016088705 W CN 2016088705W WO 2018006273 A1 WO2018006273 A1 WO 2018006273A1
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- rust preventive
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
Definitions
- the present invention relates to the technical field of metal surface treatment, and in particular to a rust preventive powder, a metal workpiece and a rustproof treatment method thereof.
- the surface treatment technology of the workpiece is usually applied.
- the surface treatment of aluminum, iron and their alloys is involved in a wide range of industries.
- most workpieces require pre-treatment before surface treatment, for example, cleaning, decontamination and degreasing, and metal workpieces for certain applications also require rust protection.
- an antirust powder having good anti-rust effect, anti-mold and anti-corrosion performance, no crystal generation, and a metal workpiece and an anti-rust treatment method thereof are provided.
- a rust preventive powder comprising the following parts by weight: 30-50 parts of urea, 40-60 parts of sodium nitrite, 5-2
- a metal workpiece anti-rust treatment method comprising the following steps: preparing the anti-rust powder as described above; formulating the anti-rust powder into a anti-rust solution, and the mass concentration of the anti-rust powder in the anti-rust solution is 3 -5%, anti-rust solution P
- the H value is 11-13, and the metal workpiece is treated with a rust preventive solution, and after a predetermined daytime treatment, it is dried.
- the above rust preventive powder can form a dense protective film on the surface of the metal, and can fundamentally solve the crystallization phenomenon occurring with the Yana solution.
- the anti-rust powder has anti-mold and anti-corrosion properties, and is safer to use, especially for the anti-rust of steel products.
- An embodiment of the present invention provides a rust preventive powder comprising the following components by weight: 30-50 parts of urea, 40-6 parts of sodium nitrite, 5-20 parts of soda ash, 2-10 parts of thiourea, 0.2-2 parts of coconut oil diethanolamide.
- the urea is in a range of 35 to 45 parts by weight.
- the sodium nitrite is 45-50 parts by weight
- the soda ash is 10-15 parts by weight.
- the thiourea is in an amount of 2 to 5 parts by weight
- the coconut oil diethanolamide is preferably 0.5 to 1 part by weight.
- the rust preventive powder is a pale yellow powder having a P H value of preferably 11-13.
- the anti-rust powder of the embodiment is suitable for corrosive metal workpieces such as steel and electroplated workpieces, and is widely used in various hardware products, precision hardware electronic products, building materials, automobile parts, instrument panels, tools, machinery. Anti-rust of equipment, molds, construction machinery, metal pipes, plates, wires, strips, etc., especially for the anti-rust of steel products.
- the embodiment of the present invention further provides a metal workpiece anti-rust treatment method, which comprises the following steps: preparing the anti-rust powder as described above; formulating the anti-rust powder into a anti-rust solution, and making the anti-rust powder in the anti-rust solution
- the mass concentration in the medium is 3-5%, and the rust value of the anti-rust solution is 11-13.
- the metal workpiece is treated with a rust-preventing solution, and after a predetermined daytime treatment, it is dried.
- the anti-rust treatment of the metal workpiece can be performed by soaking or spraying, and the soaking effect is the best.
- the metal workpiece is immersed in the anti-rust solution at a time of preferably 5 to 20 minutes.
- the anti-rust solution can treat the workpiece in the tank, the specific process is as follows: First, add the industrial water to the specified 80%, then add the anti-rust powder, stir evenly, and then add to the designated bath (for example, according to one) Tons of slots to calculate First, the water of 800KG is used first, and the product of 30-50KG is used again. After mixing evenly, add to 1000KG). After pre-treating the workpiece (such as degreasing and descaling), immerse it in the bath to specify the crucible. Soak the crucible to make the workpiece vibrate as much as possible. In case the workpiece is in contact with the workpiece, it can not be soaked into the reagent. , dry directly.
- Embodiments of the present invention also provide a metal workpiece having a rustproof protective film formed on the surface of the metal workpiece in accordance with the metal workpiece rustproof treatment method as described above. After the rust-proof treatment, a dense protective film can be formed on the metal surface, which can fundamentally solve the crystallization phenomenon occurring with the Yana solution.
- the anti-rust powder has the anti-mold and anti-corrosion properties and is safer to use.
- the ingredients are mixed according to the following parts by weight: 30 parts of urea, 40 parts of sodium nitrite, 5 parts of soda ash, 2 parts of thiourea
- Treatment method preparing the anti-rust powder as described above; making the anti-rust powder in the anti-rust solution has a mass concentration of 3%
- the pH value of the anti-rust solution is controlled at 11-13.
- the metal workpiece is treated with an anti-rust solution. After 5 minutes of treatment, it is dried, usually dry or dried naturally.
- the ingredients are mixed according to the following parts by weight: 35 parts of urea, 45 parts of sodium nitrite, 8 parts of soda ash, 4 parts of thiourea
- Treatment method preparing the anti-rust powder as described above; making the anti-rust powder in the anti-rust solution at a mass concentration of 3%
- the pH value of the anti-rust solution is controlled at 11-13.
- the metal workpiece is treated with an anti-rust solution. After 20 minutes of treatment, it is dried, usually dry or dried naturally.
- the ingredients are mixed according to the following parts by weight: 40 parts of urea, 50 parts of sodium nitrite, 10 parts of soda ash, 6 parts of thiourea, 1 part of coconut oil diethanolamide, stirred, uniformly mixed, and formulated into a rust preventive powder.
- Treatment method preparing the antirust powder as described above; making the mass concentration of the antirust powder in the antirust solution is 3%, the pH value of the antirust solution is controlled at 11-13, and the metal workpiece is treated with the antirust solution Treatment, after 8 minutes of treatment, drying, usually dry or dry naturally.
- the ingredients are mixed in the following parts by weight: 45 parts of urea, 55 parts of sodium nitrite, 15 parts of soda ash, 8 parts of thiourea, 1 part of coconut oil diethanolamide, stirred, uniformly mixed, and formulated into a rust preventive powder.
- Treatment method preparing the anti-rust powder as described above; making the anti-rust powder in the anti-rust solution has a mass concentration of 3%
- the PH value of the anti-rust solution is controlled at 11-13.
- the metal workpiece is treated with an anti-rust solution. After 10 minutes of treatment, it is dried, usually dry or dried naturally.
- the ingredients are mixed in the following parts by weight: 50 parts of urea, 60 parts of sodium nitrite, 20 parts of soda ash, 10 parts of thiourea, 2 parts of coconut oil diethanolamide, stirred, uniformly mixed, and formulated into a rust preventive powder.
- Treatment method preparing the anti-rust powder as described above; making the anti-rust powder in the anti-rust solution at a mass concentration of 3%
- the pH value of the anti-rust solution is controlled at 11-13.
- the metal workpiece is treated with an anti-rust solution. After 15 minutes of treatment, it is dried, usually dry or dried naturally.
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
一种防锈粉、金属工件及其防锈处理方法。防锈粉包括如下重量份数的成分：30-50份尿素，40-60份亚硝酸钠，5-20份纯碱，2-10份硫脲，0.2-2份椰子油二乙醇酰胺。上述防锈粉能在金属表面形成一层致密的极性保护膜，可从根本上解决用亚纳溶液而出现的结晶现象。该防锈粉同时具有防霉防腐性能，使用更安全，尤其对钢铁产品的防锈有突出作用，适用于工序间的防锈。
Description
说明书 发明名称：防锈粉、 金属工件及其防锈处理方法 技术领域
[0001] 本发明涉及金属表面处理技术领域， 具体涉及一种防锈粉、 金属工件及其防锈 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、 铁及其 合金的表面处理工艺牵涉到各行各业中。 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 进行防锈处理。
[0003] 日常生活中， 众所周知， 五金器件容易氧化生锈， 因此需要进行防锈处理， 通 常是以亚硝酸钠之类的氧化物在工件表面形成一层钝化膜， 起到一定的防锈作 用。 然而， 这些防锈方法用亚纳溶液， 容易出现结晶现象， 影响后续的喷涂、 电镀， 同吋防锈效果也不理想。
技术问题
[0004] 有鉴于此， 提供一种防锈效果好、 兼具防霉防腐性能、 不产生结晶的防锈粉， 以及金属工件及其防锈处理方法。
问题的解决方案
技术解决方案
[0005] 一种防锈粉， 包括如下重量份数的成分： 30-50份尿素， 40-60份亚硝酸钠， 5-2
0份纯碱， 2-10份硫脲， 0.2-2份椰子油二乙醇酰胺。
[0006] 一种金属工件防锈处理方法， 其包括下列步骤： 配制如上所述的防锈粉； 将防 锈粉配制成防锈溶液， 使防锈粉在防锈溶液中的质量浓度为 3-5%， 防锈溶液的 P
H值为 11-13， 将金属工件用防锈溶液处理， 经过预定吋间处理后， 干燥。
[0007] 以及， 一种金属工件， 所述金属工件表面按照如上所述的金属工件防锈处理方 法形成有防锈保护膜。
发明的有益效果
有益效果
[0008] 上述防锈粉能在金属表面形成一层致密的保护膜， 可从根本上解决用亚纳溶液 而出现的结晶现象。 该防锈粉同吋具有防霉防腐性能， 使用更安全， 尤其对钢 铁产品的防锈有突出作用。
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防锈粉， 包括如下重量份数的成分： 30-50份尿素， 40-6 0份亚硝酸钠， 5-20份纯碱， 2-10份硫脲， 0.2-2份椰子油二乙醇酰胺。
[0011] 具体地， 所述尿素的重量份数为 35-45份。 优选地， 所述亚硝酸钠的重量份数 为 45-50份， 所述纯碱的重量份数为 10-15份。 所述硫脲的重量份数为 2-5份， 所 述椰子油二乙醇酰胺的重量份数优选为 0.5-1份。 防锈粉是一种淡黄色粉末， 其 P H值优选为 11-13。
[0012] 在上述防锈粉中， 通过控制各成分配比平衡， 以达到较佳防锈效果。 其中， 亚 硝酸钠、 尿素、 硫脲共同防锈。 纯碱提供适当的碱性环境。 椰子油二乙醇酰胺 降低工件表面张力， 是防锈均匀。
[0013] 本实施例的防锈粉适用于钢铁、 电镀工件等易腐蚀的金属工件， 广泛用于各类 五金产品、 精密五金电子产品、 建筑建材、 汽车零配件、 仪表仪盘、 工具、 机 械设备、 模具、 工程机械、 金属管材、 板材、 线材、 带材等的防锈， 尤其对钢 铁产品的防锈有突出作用。
[0014] 本发明实施例还提供一种金属工件防锈处理方法， 其包括下列步骤： 配制如上 所述的防锈粉； 将防锈粉配制成防锈溶液， 使防锈粉在防锈溶液中的质量浓度 为 3-5%， 防锈溶液的 ΙΉ值为 11-13， 将金属工件用防锈溶液处理， 经过预定吋间 处理后， 干燥。
[0015] 具体地， 对金属工件防锈处理吋， 可采用浸泡或喷雾等处理方式， 浸泡效果最 佳。 防锈处理吋， 金属工件浸入防锈溶液的吋间优选为 5-20分钟。
[0016] 防锈溶液可在槽中对工件进行处理， 具体过程如下： 先将槽液加工业用水至指 定的八成， 再加入防锈粉， 搅拌均匀， 再加至指定槽液 （例如按一吨槽来计算
， 先力口 800KG的水， 再力口 30-50KG的本品， 搅拌均匀后， 再加至 1000KG) 。 将 预处理后工件 （如先除油、 除氧化皮） 浸泡在槽液中指定吋间， 浸泡吋尽量使 工件振动起来， 以防工件与工件接触的地方没能浸泡到试剂， 提起后无须水洗 ， 直接干燥。
[0017] 本发明实施例还提供一种金属工件， 所述金属工件表面按照如上所述的金属工 件防锈处理方法形成有防锈保护膜。 通过防锈处理后， 能在金属表面形成一层 致密的保护膜， 可从根本上解决用亚纳溶液而出现的结晶现象。 该防锈粉同吋 具有防霉防腐性能， 使用更安全。
[0018] 以下通过具体实例说明本发明实施例的防锈粉及其钝化处理方法等方面。
[0019] 实施例 1
[0020] 按照下列重量份数混合各成分： 30份尿素， 40份亚硝酸钠， 5份纯碱， 2份硫脲
， 0.2份椰子油二乙醇酰胺， 搅拌， 混合均匀， 配制成防锈粉。
[0021] 处理方法： 配制如上所述的防锈粉； 使防锈粉在防锈溶液中的质量浓度为 3%
， 防锈溶液的 PH值控制在 11-13， 将金属工件用防锈溶液处理， 经过 5分钟处理 后， 干燥， 通常自然干燥或者烘干都可。
[0022] 经过上述防锈溶液处理后， 观察工件表面， 干燥后没有结晶， 是内存放 1个月 不生锈。
[0023] 实施例 2
[0024] 按照下列重量份数混合各成分： 35份尿素， 45份亚硝酸钠， 8份纯碱， 4份硫脲
， 0.5份椰子油二乙醇酰胺， 搅拌， 混合均匀， 配制成防锈粉。
[0025] 处理方法： 配制如上所述的防锈粉； 使防锈粉在防锈溶液中的质量浓度为 3%
， 防锈溶液的 PH值控制在 11-13， 将金属工件用防锈溶液处理， 经过 20分钟处理 后， 干燥， 通常自然干燥或者烘干都可。
[0026] 经过上述防锈溶液处理后， 观察工件表面， 干燥后没有结晶， 是内存放 1个月 不生锈。
[0027] 实施例 3
[0028] 按照下列重量份数混合各成分： 40份尿素， 50份亚硝酸钠， 10份纯碱， 6份硫 脲， 1份椰子油二乙醇酰胺， 搅拌， 混合均匀， 配制成防锈粉。
[0029] 处理方法： 配制如上所述的防锈粉； 使防锈粉在防锈溶液中的质量浓度为 3% ， 防锈溶液的 PH值控制在 11-13， 将金属工件用防锈溶液处理， 经过 8分钟处理 后， 干燥， 通常自然干燥或者烘干都可。
[0030] 经过上述防锈溶液处理后， 观察工件表面， 干燥后没有结晶， 是内存放 1个月 不生锈。
[0031] 实施例 4
[0032] 按照下列重量份数混合各成分： 45份尿素， 55份亚硝酸钠， 15份纯碱， 8份硫 脲， 1份椰子油二乙醇酰胺， 搅拌， 混合均匀， 配制成防锈粉。
[0033] 处理方法： 配制如上所述的防锈粉； 使防锈粉在防锈溶液中的质量浓度为 3%
， 防锈溶液的 PH值控制在 11-13， 将金属工件用防锈溶液处理， 经过 10分钟处理 后， 干燥， 通常自然干燥或者烘干都可。
[0034] 经过上述防锈溶液处理后， 观察工件表面， 干燥后没有结晶， 是内存放 1个月 不生锈。
[0035] 实施例 5
[0036] 按照下列重量份数混合各成分： 50份尿素， 60份亚硝酸钠， 20份纯碱， 10份硫 脲， 2份椰子油二乙醇酰胺， 搅拌， 混合均匀， 配制成防锈粉。
[0037] 处理方法： 配制如上所述的防锈粉； 使防锈粉在防锈溶液中的质量浓度为 3%
， 防锈溶液的 PH值控制在 11-13， 将金属工件用防锈溶液处理， 经过 15分钟处理 后， 干燥， 通常自然干燥或者烘干都可。
[0038] 经过上述防锈溶液处理后， 观察工件表面， 干燥后没有结晶， 是内存放 1个月 不生锈。
[0039] 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 1] 一种防锈粉， 其特征在于， 包括如下重量份数的成分： 30-50份尿素 ， 40-60份亚硝酸钠， 5-20份纯碱， 2-10份硫脲， 0.2-2份椰子油二乙醇 酰胺。
[权利要求 2] 如权利要求 1所述的防锈粉， 其特征在于， 所述尿素的重量份数为 35-
45份。
[权利要求 3] 如权利要求 1所述的防锈粉 其特征在于， 所述亚硝酸钠的重量份数 为 45-50份。
[权利要求 4] 如权利要求 1所述的防锈粉 其特征在于， 所述纯碱的重量份数为 10- 15份。
[权利要求 5] 如权利要求 1所述的防锈粉， 其特征在于， 所述硫脲的重量份数为 2-5 份。
[权利要求 6] 如权利要求 1所述的防锈粉， 其特征在于， 所述椰子油二乙醇酰胺的 重量份数为 0.5-1份。
[权利要求 7] 如权利要求 1所述的防锈粉， 其特征在于， 所述防锈粉使用吋配制成 溶液吋的 PH值为 11-13， 质 j 1：浓度为 3-5%。
[权利要求 8] 一种金属工件防锈处理方法， 其包括下列步骤： 配制如权利要求 1-6 任一项所述的防锈粉； 将防锈粉配制成防锈溶液， 使防锈粉在防锈溶 液中的质量浓度为 3-5%， 防锈溶液的 PH值为 11-13， 将金属工件用防 锈溶液处理， 经过预定吋间处理后， 干燥。
[权利要求 9] 如权利要求 8所述的金属工件防锈处理方法， 其特征在于， 所述防锈 溶液清洗防锈吋是浸泡金属工件或对金属工件喷雾处理， 处理吋间为 5-20分钟。
[权利要求 10] 一种金属工件， 其特征在于， 所述金属工件表面按照如权利要求 8所 述的金属工件防锈处理方法形成有防锈保护膜。
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| WO (1) | WO2018006273A1 (zh) |
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| US4123369A (en) * | 1976-12-01 | 1978-10-31 | Continental Oil Company | Lubricating oil composition |
| US4715974A (en) * | 1987-04-14 | 1987-12-29 | Mobil Oil Corporation | Copper salts of sulfurized fatty acids as antioxidants |
| CN1050052A (zh) * | 1989-09-03 | 1991-03-20 | 陈松 | 钢铁防锈剂和防锈助剂 |
| CN1492074A (zh) * | 2002-10-27 | 2004-04-28 | 李天贵 | 一种新型防锈水 |
| CN102061465A (zh) * | 2010-12-31 | 2011-05-18 | 大连工业大学 | 一种无铬封闭剂 |
| CN104032305A (zh) * | 2014-06-27 | 2014-09-10 | 施文康 | 钢铁板材防锈剂 |
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- 2016-07-05 WO PCT/CN2016/088705 patent/WO2018006273A1/zh active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123369A (en) * | 1976-12-01 | 1978-10-31 | Continental Oil Company | Lubricating oil composition |
| US4715974A (en) * | 1987-04-14 | 1987-12-29 | Mobil Oil Corporation | Copper salts of sulfurized fatty acids as antioxidants |
| CN1050052A (zh) * | 1989-09-03 | 1991-03-20 | 陈松 | 钢铁防锈剂和防锈助剂 |
| CN1492074A (zh) * | 2002-10-27 | 2004-04-28 | 李天贵 | 一种新型防锈水 |
| CN102061465A (zh) * | 2010-12-31 | 2011-05-18 | 大连工业大学 | 一种无铬封闭剂 |
| CN104032305A (zh) * | 2014-06-27 | 2014-09-10 | 施文康 | 钢铁板材防锈剂 |
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