WO2019000449A1 - Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor - Google Patents
Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor Download PDFInfo
- Publication number
- WO2019000449A1 WO2019000449A1 PCT/CN2017/091309 CN2017091309W WO2019000449A1 WO 2019000449 A1 WO2019000449 A1 WO 2019000449A1 CN 2017091309 W CN2017091309 W CN 2017091309W WO 2019000449 A1 WO2019000449 A1 WO 2019000449A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- degreasing
- passivating
- passivation
- weight
- Prior art date
Links
Classifications
-
- 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
- C23C22/06—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 aqueous acidic solutions with pH less than 6
- C23C22/24—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 aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
- C23C22/33—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 aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates
Definitions
- the present invention relates to the technical field of steel surface treatment, and in particular to a degreasing and derusting passivation three-in-one passivating agent
- the surface treatment technology of the workpiece is usually applied.
- the surface treatment of aluminum, steel and its alloys goes deep into all walks of life.
- most of the work needs to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and some steel parts need to be passivated.
- the passivation treatment generally uses a passivating agent to pretreat the steel piece to form a passivation layer on the surface of the steel piece to increase the corrosion resistance of the workpiece.
- a passivating agent to pretreat the steel piece to form a passivation layer on the surface of the steel piece to increase the corrosion resistance of the workpiece.
- the steel parts need to be degreased, derusted, etc., which is very complicated and cumbersome to use and consumes energy.
- the treatment tank needs to be long, and the processing time needs to be long.
- the passivation layer has a fine structure and strong anti-corrosion properties, as well as a surface passivation treatment method for steel parts and a steel piece obtained by passivation treatment.
- a degreasing and degreasing passivation three-in-one passivating agent for forming passivation on the surface of a steel part comprising 1000 parts by weight, including the following parts by weight: 30-60 parts of phosphoric acid, 0.1- 2 parts potassium dichromate, 1-10 parts zinc oxide, 0.1-3 parts thiourea, 1-3 parts surfactant, balance water.
- a method for surface passivation treatment of steel parts comprising the steps of: preparing a three-in-one passivation agent for degreasing and derusting as described above; immersing the steel piece in a passivating solution, after a predetermined daytime Washed steel after treatment Iron pieces, dry.
- the passivation layer formed by the above-mentioned degreasing and derusting passivation three-in-one passivating agent has a fine structure and strong anti-corrosion property, and can form a passivation layer having good corrosion resistance on the surface of the steel member.
- Embodiments of the present invention provide a degreasing and derusting passivation three-in-one passivating agent for surface pretreatment of steel parts, comprising 1000 parts by weight, including the following parts by weight: 30-60 parts of phosphoric acid , 0.1-2 parts potassium dichromate, 1 - 10 parts zinc oxide, 0.1 - 3 parts thiourea, 1-3 parts surfactant, balance water.
- the weight fraction of the phosphoric acid is 35-55 parts.
- the parts by weight of the potassium dichromate is 1-2 parts
- the parts by weight of the zinc oxide are preferably 2-8 parts
- the parts by weight of the thiourea are preferably 1-3 parts.
- the part by weight of the surfactant is preferably from 1.5 to 3 parts by weight.
- the surfactant is preferably sodium dodecylbenzenesulfonate or sodium petroleum sulfonate or nonylphenol ethoxylate.
- the passivation film formed by the degreasing and derusting passivation three-in-one passivating agent has a fine structure and strong adhesion, and can remove grease and rust on the surface of the steel piece and generate good corrosion resistance. Passivation.
- Embodiments of the present invention also provide a method for surface passivation treatment of steel parts, comprising the steps of: preparing a degreasing and de-slipping passivation three-in-one passivating agent as described above; immersing steel parts in a passivating agent solution In the middle, after the predetermined daytime treatment, the steel pieces are washed and dried.
- Embodiments of the present invention also provide a steel piece that is treated by a surface passivation treatment method of a steel piece as described above to form passivation on the surface of the steel piece. Passivation protects steel parts and has excellent corrosion resistance.
- the degreasing and derusting passivation three-in-one passivating agent and the treatment method thereof according to the embodiment of the present invention will be described by way of specific examples.
- the ingredients are mixed according to the following parts by weight: 30 parts by weight, 30 parts of phosphoric acid, 0.1 part of potassium dichromate
- Treatment method preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 30 minutes, the steel piece is washed and dried.
- a passivating agent can be added to ensure the effect of the working fluid.
- the passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
- the components are mixed in the following parts by weight: 40 parts by weight, 40 parts of phosphoric acid, 1 part of potassium dichromate
- Treatment method preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, washing the steel piece at room temperature after 25 minutes, and drying.
- a passivating agent can be added to ensure the effect of the working fluid.
- the passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
- the ingredients are mixed according to the following parts by weight: 50 parts by weight, 50 parts of phosphoric acid, 1.5 parts of potassium dichromate
- Treatment method preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 20 minutes, the steel piece is washed and dried.
- a passivating agent can be added to ensure the effect of the working fluid.
- Passivation drying temperature should not be too high, should be controlled at room temperature to 100 Degree, to prevent cracks in the passivation layer.
- the components are mixed according to the following parts by weight: 60 parts by weight, 60 parts of phosphoric acid, 2 parts of potassium dichromate
- Treatment method preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 30 minutes, the steel piece is washed and dried.
- a passivating agent can be added to ensure the effect of the working fluid.
- the passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
Landscapes
- 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)
- Chemical Treatment Of Metals (AREA)
Abstract
A three-in-one passivator for degreasing, derusting and passivating, a steel piece and a surface passivation treatment method therefor. The three-in-one passivator for degreasing, derusting and passivating is used for pre-treating the surface of a steel part, and comprises the following components in 1000 parts by weight: 30-60 parts of phosphoric acid, 0.1-2 parts of potassium dichromate, 1-10 parts of zinc oxide, 0.1-3 parts of thiourea, 1-3 parts of surfactant and the balance of water. The three-in-one passivator for degreasing, derusting and passivating may simultaneously remove oil stains and rust stains, and a formed passivation layer thereof has a fine structure and firm adhesion, may generate passivation on the surface of steel, and has good corrosion resistance.
Description
除油除锈钝化三合一钝化剂、 钢铁件及其表面钝化处理方法 Degreasing and derusting passivation three-in-one passivating agent, steel parts and surface passivation treatment method thereof
技术领域 Technical field
[0001] 本发明涉及钢铁表面处理技术领域， 具体涉及一种除油除锈钝化三合一钝化剂 [0001] The present invention relates to the technical field of steel surface treatment, and in particular to a degreasing and derusting passivation three-in-one passivating agent
、 钢铁件及其表面除油、 除锈、 钝化处理方法。 , steel parts and their surface degreasing, derusting, passivation treatment methods.
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、 钢铁及 其合金的表面处理工艺深入各行各业中。 而且， 大多数工作在进行表面处理前 还需要经过预处理， 例如， 进行清洗， 除污除油， 某些用途的钢铁件还需要进 行钝化处理。 [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, steel and its alloys goes deep into all walks of life. Moreover, most of the work needs to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and some steel parts need to be passivated.
[0003] 钝化处理一般采用钝化剂对钢铁件进行预处理， 以在钢铁件表面形成钝化层， 以增加工件的防腐力。 例如， 现在钝化处理前需要对钢铁件进行除油， 除锈等 处理， 使用起来非常复杂和麻烦并且能耗搞， 处理槽需要多， 处理吋间需要长 技术问题 [0003] The passivation treatment generally uses a passivating agent to pretreat the steel piece to form a passivation layer on the surface of the steel piece to increase the corrosion resistance of the workpiece. For example, before the passivation treatment, the steel parts need to be degreased, derusted, etc., which is very complicated and cumbersome to use and consumes energy. The treatment tank needs to be long, and the processing time needs to be long.
[0004] 有鉴于此， 提供一种使用简便， 一次性进行除油除锈钝化三合一钝化处理， 节 省吋间和能耗。 该钝化层结构细致、 防腐性能强， 以及钢铁件表面钝化处理方 法和经过钝化处理后制得的钢铁件。 [0004] In view of the above, it provides an easy-to-use, one-time degreasing and derusting passivation three-in-one passivation treatment, saving daytime and energy consumption. The passivation layer has a fine structure and strong anti-corrosion properties, as well as a surface passivation treatment method for steel parts and a steel piece obtained by passivation treatment.
问题的解决方案 Problem solution
技术解决方案 Technical solution
[0005] 一种除油除锈钝化三合一钝化剂， 用于在钢铁件表面形成钝化， 以 1000重量份 计， 包括如下重量份数的成分： 30-60份磷酸， 0.1-2份重铬酸钾， 1-10份氧化锌 ， 0.1-3份硫脲， 1-3份表面活性剂， 余量的水。 [0005] A degreasing and degreasing passivation three-in-one passivating agent for forming passivation on the surface of a steel part, comprising 1000 parts by weight, including the following parts by weight: 30-60 parts of phosphoric acid, 0.1- 2 parts potassium dichromate, 1-10 parts zinc oxide, 0.1-3 parts thiourea, 1-3 parts surfactant, balance water.
[0006] 一种钢铁件表面钝化处理方法， 其包括下列步骤： 配制如上所述的除油除锈钝 化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 经过预定吋间处理后， 水洗钢
铁件， 干燥。 [0006] A method for surface passivation treatment of steel parts, comprising the steps of: preparing a three-in-one passivation agent for degreasing and derusting as described above; immersing the steel piece in a passivating solution, after a predetermined daytime Washed steel after treatment Iron pieces, dry.
[0007] 以及， 一种钢铁件， 其表面具有通过如上所述的钢铁件表面钝化处理方法形成 的钝化。 And a steel piece whose surface has passivation formed by a surface passivation treatment method of a steel piece as described above.
发明的有益效果 Advantageous effects of the invention
有益效果 Beneficial effect
[0008] 上述除油除锈钝化三合一钝化剂形成的钝化层结构细致， 防腐性能强， 能在钢 铁件表面上生成具有良好防腐性的钝化层。 [0008] The passivation layer formed by the above-mentioned degreasing and derusting passivation three-in-one passivating agent has a fine structure and strong anti-corrosion property, and can form a passivation layer having good corrosion resistance on the surface of the steel member.
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除油除锈钝化三合一钝化剂， 用于钢铁件表面预处理， 以 1000重量份计， 包括如下重量份数的成分： 30-60份磷酸， 0.1-2份重铬酸钾， 1 -10份氧化锌， 0.1-3份硫脲， 1-3份表面活性剂， 余量的水。 [0010] Embodiments of the present invention provide a degreasing and derusting passivation three-in-one passivating agent for surface pretreatment of steel parts, comprising 1000 parts by weight, including the following parts by weight: 30-60 parts of phosphoric acid , 0.1-2 parts potassium dichromate, 1 - 10 parts zinc oxide, 0.1 - 3 parts thiourea, 1-3 parts surfactant, balance water.
[0011] 具体地， 所述磷酸的重量份数为 35-55份。 优选地， 所述重铬酸钾的重量份数 为 1-2份， 所述氧化锌的重量份数优选为 2-8份， 所述硫脲的重量份数优选为 1-3 份， 所述表面活性剂的重量份数优选为 1.5-3份。 所述表面活性剂优选为十二烷 基苯磺酸钠或石油磺酸钠或壬基酚聚氧乙烯醚。 [0011] Specifically, the weight fraction of the phosphoric acid is 35-55 parts. Preferably, the parts by weight of the potassium dichromate is 1-2 parts, the parts by weight of the zinc oxide are preferably 2-8 parts, and the parts by weight of the thiourea are preferably 1-3 parts. The part by weight of the surfactant is preferably from 1.5 to 3 parts by weight. The surfactant is preferably sodium dodecylbenzenesulfonate or sodium petroleum sulfonate or nonylphenol ethoxylate.
[0012] 在上述除油除锈钝化三合一钝化剂中， 通过控制各成分配比平衡， 以达到较佳 钝化效果。 例如， 当磷酸含量低， 则除锈慢或者不能除锈， 并且形成钝化膜过 慢过薄， 反之则反应过快导致成膜过快， 刚成的钝化膜又会被溶解， 钝化膜不 够牢固， 所以本实施例优选磷酸的重量份数。 磷酸和氧化锌作为钝化层的主要 成分， 表面活性剂作为除油成分， 硫脲作为辅助成分， 增加钝化层的耐蚀性。 [0012] In the above-described degreasing and degreasing passivation three-in-one passivating agent, a better passivation effect is achieved by controlling the balance of the respective distribution ratios. For example, when the phosphoric acid content is low, the rust removal is slow or the rust is not removed, and the passivation film is formed too slowly and too thin, otherwise the reaction is too fast to cause the film formation to be too fast, and the newly formed passivation film is dissolved and passivated. The film is not sufficiently strong, so this embodiment is preferably a part by weight of phosphoric acid. Phosphoric acid and zinc oxide are the main components of the passivation layer, surfactant is used as the degreasing component, and thiourea is used as an auxiliary component to increase the corrosion resistance of the passivation layer.
[0013] 本实施例中， 除油除锈钝化三合一钝化剂形成的钝化膜结构细致， 附着力牢固 ， 能去除钢铁件表面上的油脂和锈迹并且生成具有良好防腐性的的钝化。 [0013] In the embodiment, the passivation film formed by the degreasing and derusting passivation three-in-one passivating agent has a fine structure and strong adhesion, and can remove grease and rust on the surface of the steel piece and generate good corrosion resistance. Passivation.
[0014] 本发明实施例还提供一种钢铁件表面钝化处理方法， 其包括下列步骤： 配制如 上所述的除油除锈钝化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 经过预定 吋间处理后， 水洗钢铁件， 干燥。 [0014] Embodiments of the present invention also provide a method for surface passivation treatment of steel parts, comprising the steps of: preparing a degreasing and de-slipping passivation three-in-one passivating agent as described above; immersing steel parts in a passivating agent solution In the middle, after the predetermined daytime treatment, the steel pieces are washed and dried.
[0015] 具体地， 钢铁件浸入钝化剂溶液的吋间优选为 3-30分钟。
[0016] 本发明实施例还提供一种钢铁件， 其通过如上所述的钢铁件表面钝化处理方法 进行处理， 在钢铁件表面形成钝化。 钝化可对钢铁件进行保护， 防腐性能强。 以下通过具体实例说明本发明实施例的除油除锈钝化三合一钝化剂及其处理方 法等方面。 [0015] Specifically, it is preferable that the steel piece is immersed in the crucible of the passivating agent solution for 3 to 30 minutes. [0016] Embodiments of the present invention also provide a steel piece that is treated by a surface passivation treatment method of a steel piece as described above to form passivation on the surface of the steel piece. Passivation protects steel parts and has excellent corrosion resistance. Hereinafter, the degreasing and derusting passivation three-in-one passivating agent and the treatment method thereof according to the embodiment of the present invention will be described by way of specific examples.
[0017] 实施例 1 [0017] Embodiment 1
[0018] 按照下列重量份数混合各成分： 以 1000重量份数计， 30份磷酸， 0.1份重铬酸钾 [0018] The ingredients are mixed according to the following parts by weight: 30 parts by weight, 30 parts of phosphoric acid, 0.1 part of potassium dichromate
， 1份氧化锌， 0.1份硫脲， 1份壬基酚聚氧乙烯醚， 余量的水。 , 1 part zinc oxide, 0.1 part thiourea, 1 part nonylphenol ethoxylate, the balance of water.
[0019] 处理方法： 配制好除油除锈钝化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 在常温下， 经过 30分钟处理后， 水洗钢铁件， 干燥。 在处理过程中， 可及吋添 加钝化剂， 以保证工作液的效果。 钝化干燥温度不宜过高， 应控制在常温至 100 度， 防止钝化层出现裂痕。 [0019] Treatment method: preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 30 minutes, the steel piece is washed and dried. During the treatment, a passivating agent can be added to ensure the effect of the working fluid. The passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
[0020] 经过上述钝化剂溶液处理后， 观察工件表面， 发现工件表面呈色， 无油污， 无 锈迹， 颜色均匀， 钝化细致， 放置在干燥处可以保证 3月不生锈。 [0020] After the above-mentioned passivating agent solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be colored, free from oil, rust-free, uniform in color, and finely passivated, and placed in a dry place to ensure no rust in March.
[0021] 实施例 2 Embodiment 2
[0022] 按照下列重量份数混合各成分： 以 1000重量份数计， 40份磷酸， 1份重铬酸钾 [0022] The components are mixed in the following parts by weight: 40 parts by weight, 40 parts of phosphoric acid, 1 part of potassium dichromate
， 3份氧化锌， 1份硫脲， 1.5份壬基酚聚氧乙烯醚， 余量的水。 , 3 parts of zinc oxide, 1 part of thiourea, 1.5 parts of nonylphenol ethoxylate, the balance of water.
[0023] 处理方法： 配制好除油除锈钝化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 在常温下， 经过 25分钟处理后， 水洗钢铁件， 干燥。 在处理过程中， 可及吋添 加钝化剂， 以保证工作液的效果。 钝化干燥温度不宜过高， 应控制在常温至 100 度， 防止钝化层出现裂痕。 [0023] Treatment method: preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, washing the steel piece at room temperature after 25 minutes, and drying. During the treatment, a passivating agent can be added to ensure the effect of the working fluid. The passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
[0024] 经过上述钝化剂溶液处理后， 观察工件表面， 发现工件表面呈色， 无油污， 无 锈迹， 颜色均匀， 钝化细致， 放置在干燥处可以保证 6月不生锈。 [0024] After the above-mentioned passivating agent solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be colored, free from oil, rust-free, uniform in color, and finely passivated, and placed in a dry place to ensure no rust in June.
[0025] 实施例 3 Embodiment 3
[0026] 按照下列重量份数混合各成分： 以 1000重量份数计， 50份磷酸， 1.5份重铬酸钾 [0026] The ingredients are mixed according to the following parts by weight: 50 parts by weight, 50 parts of phosphoric acid, 1.5 parts of potassium dichromate
， 6份氧化锌， 2份硫脲， 2份壬基酚聚氧乙烯醚， 余量的水。 , 6 parts of zinc oxide, 2 parts of thiourea, 2 parts of nonylphenol ethoxylate, the balance of water.
[0027] 处理方法： 配制好除油除锈钝化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 在常温下， 经过 20分钟处理后， 水洗钢铁件， 干燥。 在处理过程中， 可及吋添 加钝化剂， 以保证工作液的效果。 钝化干燥温度不宜过高， 应控制在常温至 100
度， 防止钝化层出现裂痕。 [0027] Treatment method: preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 20 minutes, the steel piece is washed and dried. During the treatment, a passivating agent can be added to ensure the effect of the working fluid. Passivation drying temperature should not be too high, should be controlled at room temperature to 100 Degree, to prevent cracks in the passivation layer.
[0028] 经过上述钝化剂溶液处理后， 观察工件表面， 发现工件表面呈色， 无油污， 无 锈迹， 颜色均匀， 钝化细致， 放置在干燥处可以保证 12月不生锈。 [0028] After the above-mentioned passivating agent solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be colored, free of oil, rust-free, uniform in color, and finely passivated, and placed in a dry place to ensure no rust in December.
[0029] 实施例 4 Embodiment 4
[0030] 按照下列重量份数混合各成分： 以 1000重量份数计， 60份磷酸， 2份重铬酸钾 [0030] The components are mixed according to the following parts by weight: 60 parts by weight, 60 parts of phosphoric acid, 2 parts of potassium dichromate
， 10份氧化锌， 3份硫脲， 3份壬基酚聚氧乙烯醚， 余量的水。 , 10 parts of zinc oxide, 3 parts of thiourea, 3 parts of nonylphenol ethoxylate, the balance of water.
[0031] 处理方法： 配制好除油除锈钝化三合一钝化剂； 将钢铁件浸入钝化剂溶液中， 在常温下， 经过 30分钟处理后， 水洗钢铁件， 干燥。 在处理过程中， 可及吋添 加钝化剂， 以保证工作液的效果。 钝化干燥温度不宜过高， 应控制在常温至 100 度， 防止钝化层出现裂痕。 [0031] Treatment method: preparing a degreasing and derusting passivation three-in-one passivating agent; immersing the steel piece in the passivating agent solution, and after washing at room temperature for 30 minutes, the steel piece is washed and dried. During the treatment, a passivating agent can be added to ensure the effect of the working fluid. The passivation drying temperature should not be too high, and should be controlled at room temperature to 100 °C to prevent cracks in the passivation layer.
[0032] 经过上述钝化剂溶液处理后， 观察工件表面， 发现工件表面呈色， 无油污， 无 锈迹， 颜色均匀， 钝化细致， 放置在干燥处可以保证 12月不生锈。 [0032] After the above-mentioned passivating agent solution treatment, the surface of the workpiece was observed, and the surface of the workpiece was found to be colored, free of oil, rust-free, uniform in color, and finely passivated, and placed in a dry place to ensure no rust in December.
[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。
[0033] 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 一种除油除锈钝化三合一钝化剂， 用于在钢铁件表面形成钝化， 其特 征在于， 以 1000重量份计， 包括如下重量份数的成分： 30-60份磷酸 ， 0.1-2份重铬酸钾， 1-10份氧化锌， 0.1-3份硫脲， 1-3份表面活性剂The invention relates to a degreasing and rust-reducing three-in-one passivating agent for forming passivation on a surface of a steel piece, characterized in that, in 1000 parts by weight, the following parts by weight are included: 30-60 parts Phosphoric acid, 0.1-2 parts potassium dichromate, 1-10 parts zinc oxide, 0.1-3 parts thiourea, 1-3 parts surfactant
， 余量的水。 , the balance of water.
如权利要求 1所述的除油除锈钝化三合一钝化剂， 其特征在于， 所述 磷酸的重量份数为 35-55份。 The degreasing and degreasing passivating three-in-one passivating agent according to claim 1, wherein the phosphoric acid is in an amount of 35 to 55 parts by weight.
如权利要求 1所述的除油除锈钝化三合一钝化剂， 其特征在于， 所述 重铬酸钾的重量份数为 1-2份。 The degreasing and degreasing passivating three-in-one passivating agent according to claim 1, wherein the potassium dichromate is in an amount of from 1 to 2 parts by weight.
如权利要求 1所述的除油除锈钝化三合一钝化剂， 其特征在于， 所述 氧化锌的重量份数为 2-8份。 The degreasing and degreasing passivating three-in-one passivating agent according to claim 1, wherein the zinc oxide is in an amount of 2 to 8 parts by weight.
如权利要求 1所述的除油除锈钝化三合一钝化剂， 其特征在于， 所述 硫脲的重量份数为 1-3份。 The degreasing and degreasing passivating three-in-one passivating agent according to claim 1, wherein the thiourea is in an amount of from 1 to 3 parts by weight.
如权利要求 1所述的除油除锈钝化三合一钝化剂， 其特征在于， 所述 表面活性剂为十二烷基苯磺酸钠或石油磺酸钠或壬基酚聚氧乙烯醚， 重量份数为 1.5-3份。 The degreasing and degreasing passivating three-in-one passivating agent according to claim 1, wherein the surfactant is sodium dodecylbenzenesulfonate or sodium petroleum sulfonate or nonylphenol polyoxyethylene. The ether is in a range of 1.5 to 3 parts by weight.
一种钢铁件表面除油、 除锈、 钝化处理方法， 其包括下列步骤： 配制 如权利要求 1-6任一项所述的除油除锈钝化三合一钝化剂； 将钢铁件 浸入钝化剂溶液中， 经过预定吋间处理后， 水洗钢铁件， 干燥。 一种钢铁件， 其特征在于， 所述钢铁件表面通过如权利要求 7所述的 钢铁件表面除油、 除锈、 钝化处理方法形成的钝化膜。
A method for degreasing, descaling and passivating a surface of a steel piece, comprising the steps of: preparing a degreasing and de-slipping passivation three-in-one passivating agent according to any one of claims 1-6; Immerse in the passivating solution and, after a predetermined daytime treatment, wash the steel parts and dry. A steel piece characterized by a passivation film formed on the surface of the steel piece by the method of degreasing, derusting, and passivating the surface of the steel piece according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/091309 WO2019000449A1 (en) | 2017-06-30 | 2017-06-30 | Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/091309 WO2019000449A1 (en) | 2017-06-30 | 2017-06-30 | Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019000449A1 true WO2019000449A1 (en) | 2019-01-03 |
Family
ID=64742755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2017/091309 WO2019000449A1 (en) | 2017-06-30 | 2017-06-30 | Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2019000449A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827919A (en) * | 1971-11-29 | 1974-08-06 | Sun Chemical Corp | Beryllium surface treatment |
| CN1127308A (en) * | 1995-01-19 | 1996-07-24 | 朱祥甫 | Wide temp. range phosphorized solution for oil and stain removing and inactivating |
| US20040094236A1 (en) * | 2002-11-14 | 2004-05-20 | Crown Technology, Inc. | Methods for passivating stainless steel |
| CN103436872A (en) * | 2013-07-01 | 2013-12-11 | 谢俊磊 | Comprehensive treatment agent and use method thereof |
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
-
2017
- 2017-06-30 WO PCT/CN2017/091309 patent/WO2019000449A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3827919A (en) * | 1971-11-29 | 1974-08-06 | Sun Chemical Corp | Beryllium surface treatment |
| CN1127308A (en) * | 1995-01-19 | 1996-07-24 | 朱祥甫 | Wide temp. range phosphorized solution for oil and stain removing and inactivating |
| US20040094236A1 (en) * | 2002-11-14 | 2004-05-20 | Crown Technology, Inc. | Methods for passivating stainless steel |
| CN103436872A (en) * | 2013-07-01 | 2013-12-11 | 谢俊磊 | Comprehensive treatment agent and use method thereof |
| CN103820774A (en) * | 2014-02-26 | 2014-05-28 | 苏州禾川化学技术服务有限公司 | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| YUAN, JUNXIANG ET AL.: "Metal Rust Remover", INDUSTRIAL DETERGENT AND WASHING TECHNOLOGY, 31 December 1991 (1991-12-31), pages 526, ISBN: 7-5357-1166-9 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2516685A (en) | Process of preparing iron and aluminum surfaces to receive organic coatings and solution therefor | |
| CN107022766B (en) | Metal surface cleaning agent, preparation method and metal surface cleaning method | |
| CN101876078A (en) | Additive for pickling degreasing and derusting of steel | |
| US2493327A (en) | Aqueous composition for treating iron and steel | |
| CN106958015A (en) | A kind of water-soluble high-efficient nickel plating antirust sealer and its compound method | |
| CN104451634B (en) | Aluminum and aluminum alloy passivation solution, preparation method and using method thereof | |
| CN105350005A (en) | Compound acid washing liquid containing passivation agent, and preparation method thereof | |
| CN103834888A (en) | Ammonia-free fluxing agent for hot dipping and use method thereof | |
| WO2019000449A1 (en) | Three-in-one passivator for degreasing, derusting and passivation, steel piece and surface passivating treatment method therefor | |
| WO2019006676A1 (en) | Filming agent for oil removal, rust removal and phosphating, steel and iron component, and filming treatment method therefor | |
| WO2019006679A1 (en) | Passivation agent for oil removal, rust removal and passivation, steel and iron component, and passivation treatment method therefor | |
| CN102851662B (en) | Metal anti-rust treatment liquid and application method thereof | |
| WO2019006674A1 (en) | Magnesium alloy phosphating agent, metal component, and surface phosphating treatment method therefor | |
| WO2017214992A1 (en) | Ceramization agent, metal piece and ceramization treatment method therefor | |
| WO2019006680A1 (en) | Filming agent for oil removal, rust removal and phosphating, steel and iron component, and filming treatment method therefor | |
| WO2019000450A1 (en) | Oil removal, rust removal and phosphorization combination coating agent, steel piece and surface coating method therefor | |
| WO2019000448A1 (en) | Stainless steel passivator and method for passivating surface of stainless steel part | |
| CN104195485B (en) | On-line automatic pretreatment process for steel pipe hot-dip galvanizing | |
| WO2017219371A1 (en) | Passivator, zinc plated workpiece and passivation treatment method therefor | |
| WO2019006601A1 (en) | Polishing agent, copper part and polishing process therefor | |
| WO2019006688A1 (en) | Blackening phosphatizing agent, metal member and surface phosphatizing method thereof | |
| CN105755478A (en) | Preparation method of rust remover capable of fast removing oxide layer on surface of metal under normal temperature | |
| CN112725784A (en) | Phosphorus-free passivator, metal piece and surface passivation treatment method thereof | |
| CN105714318A (en) | Degreasing process for surface of steel | |
| WO2017214780A1 (en) | Phosphating coating agent, iron piece and method for coating treatment of surface thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17915957 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 17915957 Country of ref document: EP Kind code of ref document: A1 |