WO2017219369A1 - 除油粉、金属工件及其除油处理方法 - Google Patents
除油粉、金属工件及其除油处理方法 Download PDFInfo
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- WO2017219369A1 WO2017219369A1 PCT/CN2016/087141 CN2016087141W WO2017219369A1 WO 2017219369 A1 WO2017219369 A1 WO 2017219369A1 CN 2016087141 W CN2016087141 W CN 2016087141W WO 2017219369 A1 WO2017219369 A1 WO 2017219369A1
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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
- 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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
Definitions
- the present invention relates to the field of surface treatment technology, and in particular, to a degreasing powder, a metal workpiece, and a degreasing treatment method thereof.
- the surface treatment technology of the workpiece is usually applied.
- the surface treatment of metallic aluminum, iron, zinc and their alloys is well established in a wide range of industries.
- most of the workpieces need to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and metal workpieces for certain purposes also require passivation, polishing, etc.
- degreasing treatment is required before metal plating, oxidation or spraying.
- the traditional degreasing powder has a single structure, which has a certain removal effect on a single oil stain.
- the metal removal effect is not ideal for a compound with a complicated composition or a relatively heavy oil stain, and some of the acid and alkali are too strong, and a workpiece which is easily corroded such as aluminum is generated. reaction.
- a degreasing powder having strong degreasing ability, low alkalinity, and harmless to the human body, and a metal workpiece degreasing method and a metal workpiece obtained by degreasing treatment are provided.
- An oil-removing powder comprising the following parts by weight: 40-80 parts of sodium carbonate, 60-120 parts of sodium metasilicate pentahydrate, 60-120 parts of sodium tripolyphosphate, 6-10 parts of glucose Sodium and 6-10 parts NP-10.
- a metal workpiece degreasing method comprising the steps of: formulating the degreasing powder as described above; dissolving the degreasing powder in water to prepare a degreasing solution, and massing the degreasing powder in the degreasing solution
- the content is 2-10%, the free alkalinity of the degreasing solution is controlled to 25-40 pt; the metal workpiece is immersed in the degreasing solution, and after a predetermined daytime treatment, the metal workpiece is washed and dried.
- the above-mentioned degreasing powder is a high-efficiency degreasing component such as a saponifying agent, a surfactant, a chelating agent, a dispersing agent, etc., has strong degreasing ability and is non-toxic to the human body, and is suitable for various iron and aluminum alloys in industrial and mining enterprises. Cleaning of metal such as zinc alloy copper or its alloy oil.
- An embodiment of the present invention provides a degreasing powder comprising the following components by weight: 40-80 parts of sodium carbonate, 60-120 parts of sodium metasilicate pentahydrate, 60-120 parts of sodium tripolyphosphate, 6-10 parts of sodium gluconate and 6-10 parts of NP-10.
- the sodium carbonate is in an amount of 50 to 70 parts by weight, more preferably 50 to 65 parts by weight.
- the parts by weight of the sodium metasilicate pentahydrate is preferably from 70 to 100 parts, more preferably from 80 to 90 parts, and the parts by weight of the sodium tripolyphosphate are preferably from 70 to 100 parts, more preferably from 80 to 90 parts by weight.
- the parts by weight of the sodium gluconate are preferably 6-8 parts
- the parts by weight of NP-10 are preferably 6-8 parts
- NP-10 is nonylphenol ethoxylate.
- the degreasing powder is formulated into a degreasing solution, the mass percentage of the degreasing powder in the degreasing solution is 2-10%, and the free alkalinity of the degreasing solution is 5-40 pt.
- sodium carbonate which provides the main alkalinity
- Sodium tripolyphosphate has excellent demineralized water, can complex or chelate some metal ions, and has a strong buffering capacity for PH.
- Sodium metasilicate pentahydrate emulsifies fat and oil, has anti-flocculation effect on inorganic substances, has anti-corrosion effect on metal, and has strong decontamination ability.
- Nonylphenol ethoxylates have strong emulsifying power for animal and vegetable oils and mineral oils.
- the embodiment of the present invention further provides a metal workpiece degreasing method, comprising the following steps: preparing the degreasing powder as described above; dissolving the degreasing powder in water to prepare a degreasing solution, and removing the degreasing solution
- the mass percentage of the oil powder is 2-10%, the degreasing solution is used in combination with the alkali solution, and the free alkalinity is controlled to be 5-40 pt; the metal workpiece is immersed in the deoiling solution, and after the predetermined daytime treatment, the metal is washed. Workpiece, dry.
- the degreasing solution preferably has a free alkalinity of 5-30 pt, the predetermined deuterium is 5-30 minutes, and the degreasing treatment with a degreasing solution has a temperature of 20-80 degrees.
- the free alkalinity is determined by pH titration. First, 10 mL of the sample is taken and titrated with a 0.05 mol/L sulfuric acid standard solution. The number of milliliters consumed is indicated by dots. Free Determination of alkalinity: Pipette 10mL of test solution into a 250mL Erlenmeyer flask, and force the phenolphthalein to indicate 1J. The titration of the sulfuric acid standard solution from red to colorless is the end point, and the number of milliliters of the sulfuric acid standard solution consumed is the free alkalinity of the bath.
- the degreasing solution may also be subjected to ultrasonic vibration treatment, for example, the metal workpiece may be subjected to ultrasonic vibration in an ultrasonic cleaning machine. Degreasing treatment.
- Embodiments of the present invention also provide a metal workpiece that is processed by a metal workpiece degreasing method as described above to form a metal workpiece to form a clean, shiny surface.
- a metal workpiece degreasing method as described above to form a metal workpiece to form a clean, shiny surface.
- the surface of the metal workpiece is clean and bright, and the whole degreasing treatment method is simple and environmentally friendly, has no corrosion to the workpiece, is convenient to operate, and has low use cost.
- the metal workpiece may be a metal such as various iron members, aluminum alloys, zinc alloy copper members or alloys thereof.
- the components are mixed according to the following parts by weight: 40 parts of sodium carbonate, 60 parts of sodium metasilicate pentahydrate, 60 parts of sodium tripolyphosphate, 6 parts of sodium gluconate and 6 parts of NP-10, stirred, uniformly mixed, Formulated as degreasing powder.
- Treatment method After preparing the degreasing powder; dissolving the degreasing powder in water to prepare a degreasing solution, so that the mass percentage of the degreasing powder in the degreasing solution is 4%, and controlling the free alkali of the deoiling solution is 5-40pt; Control the temperature of the degreasing solution to 80 ° C; Dip the metal workpiece into the degreasing solution, after 10 minutes of treatment, wash the metal workpiece and dry.
- the components are mixed according to the following parts by weight: 60 parts of sodium carbonate, 80 parts of sodium metasilicate pentahydrate, 80 parts of sodium tripolyphosphate, 7 parts of sodium gluconate and 7 parts of NP-10, stirred, uniformly mixed, Formulated as degreasing powder.
- Treatment method After preparing the degreasing powder; dissolving the degreasing powder in water to prepare a degreasing solution, so that the mass percentage of the degreasing powder in the degreasing solution is 5%, and controlling the free alkali of the deoiling solution is 5-40pt; Control the temperature of the degreasing solution to 70 ° C; Dip the metal workpiece into the degreasing solution, after 8 minutes of treatment, wash the metal workpiece and dry.
- the ingredients are mixed according to the following parts by weight: 70 parts of sodium carbonate, 100 parts of sodium metasilicate pentahydrate, 100 parts of sodium tripolyphosphate, 8 parts of sodium gluconate and 8 parts of NP-10, stirred, uniformly mixed, Formulated as degreasing powder.
- Treatment method After preparing the degreasing powder; dissolving the degreasing powder in water to prepare a degreasing solution, so that the mass percentage of the degreasing powder in the degreasing solution is 6%, and controlling the free alkali of the deoiling solution is 5-40pt; Control the temperature of the degreasing solution to 60 ° C; Dip the metal workpiece into the degreasing solution, after 6 minutes of treatment, wash the metal workpiece and dry.
- the components are mixed according to the following parts by weight: 80 parts of sodium carbonate, 120 parts of sodium metasilicate pentahydrate, 120 parts of sodium tripolyphosphate, 10 parts of sodium gluconate and 10 parts of NP-10, stirred, uniformly mixed, Formulated as degreasing powder.
- Treatment method After preparing the degreasing powder; dissolving the degreasing powder in water to prepare a degreasing solution, so that the mass percentage of the degreasing powder in the degreasing solution is 7%, and controlling the free alkali of the deoiling solution is 5-40pt; Control the temperature of the degreasing solution to 50 ° C; Dip the metal workpiece into the degreasing solution, after 5 minutes of treatment, wash the metal workpiece and dry.
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
一种除油粉，用于金属工件表面预处理，包括如下重量份数的成分：40-80份碳酸钠，60-120份五水偏硅酸钠，60-120份三聚磷酸钠，6-10份葡萄糖酸钠和6-10份NP-10。以及一种金属工件及其除油处理方法。
Description
除油粉、 金属工件及其除油处理方法 技术领域
[0001] 本发明涉及表面处理技术领域， 具体涉及一种除油粉、 金属工件及其除油处理 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， 金属铝、 铁 、 锌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 还需要进行钝化、 抛光等处理。
[0003] 一般在机械加工及电子电气行业， 金属电镀、 氧化或喷涂前需要进行除油处理 。 传统的除油粉结构单一， 对于单一的油污有一定的去除效果， 但是对于成分 比较复杂或者油污比较重的金属去除效果不理想， 有些酸碱性过强， 对于铝这 样容易腐蚀的工件会产生反应。
技术问题
[0004] 有鉴于此， 提供一种除油能力强、 碱性弱、 对人体无害的除油粉， 以及金属工 件除油方法和经过除油处理后制得的金属工件。
问题的解决方案
技术解决方案
[0005] 一种除油粉， 其包括如下重量份数的成分： 40-80份碳酸钠， 60-120份五水偏硅 酸钠， 60-120份三聚磷酸钠， 6-10份葡萄糖酸钠和 6-10份 NP-10。
[0006] 一种金属工件除油方法， 其包括下列步骤： 配制如上所述的除油粉； 将除油粉 溶于水中配制成除油溶液， 使除油溶液中除油粉的质量百分含量为 2-10%， 所述 除油溶液游离碱度控制为 25-40pt; 将金属工件浸入除油溶液中， 经过预定吋间 处理后， 水洗金属工件， 干燥。
[0007] 以及， 一种金属工件， 其表面通过如上所述的金属工件除油方法进行处理。
发明的有益效果
有益效果
[0008] 上述除油粉是由皂化剂、 表面活性剂、 螯合剂、 分散剂等高效除油成份， 除油 能力强， 对人体无毒害， 适用于工矿企业中对各种铁、 铝合金、 锌合金铜件等 金属或其合金油污的清洗。
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除油粉， 其包括如下重量份数的成分： 40-80份碳酸钠 ， 60- 120份五水偏硅酸钠， 60-120份三聚磷酸钠， 6-10份葡萄糖酸钠和 6-10份 NP- 10。
[0011] 具体地， 所述碳酸钠的重量份数为 50-70份， 更优选为 50-65份。 所述五水偏硅 酸钠的重量份数优选为 70-100份， 更优选为 80-90份， 所述三聚磷酸钠的重量份 数优选为 70-100份， 更优选为 80-90份， 所述葡萄糖酸钠的重量份数优选为 6-8份 ， NP-10的重量份数优选为 6-8份， NP-10为壬基酚聚氧乙烯醚。 优选地， 在应用 吋， 除油粉配制成除油溶液， 除油溶液中除油粉的质量百分含量为 2-10%， 除油 溶液的游离碱度为 5-40pt。
[0012] 在上述除油粉中， 通过控制各成分配比平衡， 以达到较佳去除油污效果。 其中 碳酸钠， 提供主要碱度， 用于皂化动植物油。 三聚磷酸钠有极好的软化水作用 ， 能络合或螯合一些金属离子， 对 PH值有较强的缓冲能力。 五水偏硅酸钠使脂 肪和油乳化， 对无机物有反絮凝作用， 对金属又有防腐蚀作用， 去污能力强。 壬基酚聚氧乙烯醚对于动植物油和矿物油都有很强的乳化能力。
[0013] 本发明实施例还提供一种金属工件除油方法， 其包括下列步骤： 配制如上所述 的除油粉； 将除油粉溶于水中配制成除油溶液， 使除油溶液中除油粉的质量百 分含量为 2-10%， 所述除油溶液配合碱液使用， 游离碱度控制为 5-40pt; 将金属 工件浸入除油溶液中， 经过预定吋间处理后， 水洗金属工件， 干燥。
[0014] 具体地， 所述除油溶液的游离碱度优选为 5-30pt， 所述预定吋间为 5-30分钟， 用除油溶液进行除油处理吋的温度为 20-80度。 游离碱度采用酸碱度滴定法， 先 取试样 10mL， 用 0.05mol/L硫酸标准溶液滴定， 所消耗的毫升数用点表示。 游离
碱度的测定过程： 用移液管吸取 10mL试液于 250mL锥形瓶中， 力 滴酚酞指示 齐 1J。 用硫酸标准溶液滴定由红色变为无色即为终点， 所消耗硫酸标准溶液毫升 数即为该槽液的游离碱度。
[0015] 进一步地， 在用除油溶液对金属工件进行浸渍除油处理同吋， 也可以对除油溶 液进行超声波震荡处理， 例如， 可以在一个超声波清洗机中对金属工件在超声 波震荡下进行除油处理。
[0016] 本发明实施例还提供一种金属工件， 其通过如上所述的金属工件除油方法进行 处理， 使金属工件形成清洁光亮的表面。 经过上述除油粉处理后， 金属工件表 面清洁光亮， 而且整个除油处理方法工艺简单、 环保， 对工件无腐蚀， 操作方 便， 使用成本低。 金属工件可以是各种铁件、 铝合金、 锌合金铜件等金属或其 合金。
[0017] 实施例 1
[0018] 按照下列重量份数混合各成分： 40份碳酸钠， 60份五水偏硅酸钠， 60份三聚磷 酸钠， 6份葡萄糖酸钠和 6份 NP- 10， 搅拌， 混合均匀， 配制成除油粉。
[0019] 处理方法： 配制好除油粉后； 将除油粉溶于水中配制成除油溶液， 使除油溶液 中除油粉的质量百分含量 4%， 控制除油溶液的游离碱为 5-40pt; 控制除油溶液的 温度为 80°C; 将金属工件浸入除油溶液中， 经过 10分钟处理后， 水洗金属工件， 干燥。
[0020] 经过上述除油溶液处理后， 发现工件表面的油污能去除干净， 清洗后工件上的 水膜均匀， 工件表面没有任何腐蚀， 干燥后无水印、 水斑。
[0021] 实施例 2
[0022] 按照下列重量份数混合各成分： 60份碳酸钠， 80份五水偏硅酸钠， 80份三聚磷 酸钠， 7份葡萄糖酸钠和 7份 NP-10, 搅拌， 混合均匀， 配制成除油粉。
[0023] 处理方法： 配制好除油粉后； 将除油粉溶于水中配制成除油溶液， 使除油溶液 中除油粉的质量百分含量 5%， 控制除油溶液的游离碱为 5-40pt; 控制除油溶液的 温度为 70°C; 将金属工件浸入除油溶液中， 经过 8分钟处理后， 水洗金属工件， 干燥。
[0024] 经过上述除油溶液处理后， 发现工件表面的油污能去除干净， 清洗后工件上的
水膜均匀， 工件表面没有任何腐蚀， 干燥后无水印、 水斑。
[0025] 实施例 3
[0026] 按照下列重量份数混合各成分： 70份碳酸钠， 100份五水偏硅酸钠， 100份三聚 磷酸钠， 8份葡萄糖酸钠和 8份 NP-10, 搅拌， 混合均匀， 配制成除油粉。
[0027] 处理方法： 配制好除油粉后； 将除油粉溶于水中配制成除油溶液， 使除油溶液 中除油粉的质量百分含量 6%， 控制除油溶液的游离碱为 5-40pt; 控制除油溶液的 温度为 60°C; 将金属工件浸入除油溶液中， 经过 6分钟处理后， 水洗金属工件， 干燥。
[0028] 经过上述除油溶液处理后， 发现工件表面的油污能去除干净， 清洗后工件上的 水膜均匀， 工件表面没有任何腐蚀， 干燥后无水印、 水斑。
[0029] 实施例 4
[0030] 按照下列重量份数混合各成分： 80份碳酸钠， 120份五水偏硅酸钠， 120份三聚 磷酸钠， 10份葡萄糖酸钠和 10份 NP- 10， 搅拌， 混合均匀， 配制成除油粉。
[0031] 处理方法： 配制好除油粉后； 将除油粉溶于水中配制成除油溶液， 使除油溶液 中除油粉的质量百分含量 7%， 控制除油溶液的游离碱为 5-40pt; 控制除油溶液的 温度为 50°C; 将金属工件浸入除油溶液中， 经过 5分钟处理后， 水洗金属工件， 干燥。
[0032] 经过上述除油溶液处理后， 发现工件表面的油污能去除干净， 清洗后工件上的 水膜均匀， 工件表面没有任何腐蚀， 干燥后无水印、 水斑。
[0033] 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] 一种除油粉， 其特征在于， 包括如下重量份数的成分： 40-80份碳酸 钠， 60- 120份五水偏硅酸钠， 60-120份三聚磷酸钠， 6-10份葡萄糖酸 钠和 6-10份 NP- 10。
[权利要求 2] 如权利要求 1所述的除油粉， 其特征在于， 所述碳酸钠的重量份数为 5
0-70份。
[权利要求 3] 如权利要求 1所述的除油粉 其特征在于， 所述五水偏硅酸钠的重 份数为 70- 100份。
[权利要求 4] 如权利要求 1所述的除油粉 其特征在于， 所述三聚磷酸钠的重量份 数为 70- 100份。
[权利要求 5] 如权利要求 1所述的除油粉 其特征在于， 所述葡萄糖酸钠的重量份 数为 6-8份。
[权利要求 6] 如权利要求 1所述的除油粉 其特征在于， 所述 NP-10的重量份数为 6- 8份。
[权利要求 7] 如权利要求 1所述的除油粉， 其特征在于， 所述除油粉使用吋的配比 为 2-10<¾。
[权利要求 8] 一种金属工件除油方法， 其包括下列步骤： 配制如权利要求 1-6任一 项所述的除油粉； 将除油粉溶于水中配制成除油溶液， 使除油溶液中 除油粉的质量百分含量为 2-10%， 所述除油溶液游离碱度控制为 5-40p t; 将金属工件浸入除油溶液中， 经过预定吋间处理后， 水洗金属工 件， 干燥。
[权利要求 9] 如权利要求 8所述的金属工件除油方法， 其特征在于， 所述除油溶液 的游离碱度为 5-40pt， 所述预定吋间为 5-30分钟， 在用除油溶液对金 属工件进行浸渍除油处理同吋， 也可以对除油溶液进行超声波震荡处
[权利要求 10] 一种金属工件， 其特征在于， 所述金属工件表面通过如权利要求 8所 述的金属工件除油方法进行处理。
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| JPH10280179A (ja) * | 1997-02-04 | 1998-10-20 | Kao Corp | 鋼板用アルカリ洗浄剤組成物 |
| CN101285194A (zh) * | 2007-04-11 | 2008-10-15 | 姜堰市德美化工有限公司 | 用于有色金属表面处理的脱脂粉及其制备方法 |
| CN102002722A (zh) * | 2009-08-28 | 2011-04-06 | 比亚迪股份有限公司 | 一种不锈钢清洗剂及一种不锈钢清洗方法 |
| CN102859038A (zh) * | 2010-04-15 | 2013-01-02 | Ppg工业俄亥俄公司 | 准备和处理基材的方法 |
| CN104313622A (zh) * | 2014-09-29 | 2015-01-28 | 合肥乾丰润滑科技有限公司 | 一种常温水基无磷重油防锈清洗剂 |
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| JPH10280179A (ja) * | 1997-02-04 | 1998-10-20 | Kao Corp | 鋼板用アルカリ洗浄剤組成物 |
| CN101285194A (zh) * | 2007-04-11 | 2008-10-15 | 姜堰市德美化工有限公司 | 用于有色金属表面处理的脱脂粉及其制备方法 |
| CN102002722A (zh) * | 2009-08-28 | 2011-04-06 | 比亚迪股份有限公司 | 一种不锈钢清洗剂及一种不锈钢清洗方法 |
| CN102859038A (zh) * | 2010-04-15 | 2013-01-02 | Ppg工业俄亥俄公司 | 准备和处理基材的方法 |
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