WO2019006674A1 - 镁合金磷化剂、金属件及其表面磷化处理方法 - Google Patents
镁合金磷化剂、金属件及其表面磷化处理方法 Download PDFInfo
- Publication number
- WO2019006674A1 WO2019006674A1 PCT/CN2017/091741 CN2017091741W WO2019006674A1 WO 2019006674 A1 WO2019006674 A1 WO 2019006674A1 CN 2017091741 W CN2017091741 W CN 2017091741W WO 2019006674 A1 WO2019006674 A1 WO 2019006674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- phosphating
- magnesium alloy
- weight
- metal member
- 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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
Definitions
- the present invention relates to the technical field of metal surface treatment, and in particular to a magnesium alloy phosphating agent, a metal member and a surface phosphating treatment method thereof.
- the surface treatment technology of the workpiece is usually applied.
- the surface treatment processes of magnesium, aluminum, iron and their alloys go deep into all walks of life.
- most of the work needs to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and metal parts for certain applications need to be phosphated.
- Phosphating treatment generally uses a phosphating agent to pretreat a metal member to form a passivation layer on the surface of the metal member for subsequent surface treatment, thereby increasing the bonding force, corrosion resistance, lubricity, and the like of the subsequent film.
- a phosphating agent for example, magnesium alloys need to be coated on the surface before coating to improve corrosion resistance and decorative properties. Or magnesium alloys also need to form a film for corrosion protection.
- most of the existing phosphating agents are complicated in process, more sturdy, high in energy consumption, poor in corrosion resistance, and poor in adhesion.
- the invention provides a film layer which is dense, uniform, firm, stable, strong in adhesion, can effectively prevent corrosion of the corrosion medium to the body, and phosphating the surface of the metal part and phosphating Metal parts produced after processing.
- a magnesium alloy phosphating agent for forming a film on a surface of a metal member which comprises, by weight of 1000 parts by weight, a component of the following parts by weight: 0.5-2 parts of phytic acid, 5-30 parts of zinc dihydrogen phosphate 2-5 parts ammonium hydrogen fluoride, 1-4 parts ammonium metavanadate, 1-4 parts zinc sulfate and the balance water.
- a method for phosphating a surface of a metal member comprising the steps of: preparing a magnesium alloy phosphating solution as described above; controlling the pH of the solution to 3-5, and immersing the metal member in the phosphating solution for a predetermined period of time. After treatment, washing
- the above magnesium alloy phosphating agent is compounded by phytic acid, zinc dihydrogen phosphate, zinc sulfate and various additives, and the formed film layer is dense, uniform, firm, stable, strong in adhesion, and can effectively prevent corrosion.
- the erosion of the medium to the body provides adequate protection in the actual application environment.
- Embodiments of the present invention provide a magnesium alloy phosphating agent for forming a film on a surface of a metal member, which comprises, by weight of 1000 parts by weight, a component of the following parts by weight: 0.5-2 parts of phytic acid, 5-30 Part of zinc dihydrogen phosphate, 2-5 parts of ammonium hydrogen fluoride, 1-4 parts of ammonium metavanadate, 1-4 parts of zinc sulfate and the balance of water.
- the phytic acid is preferably 1-2 parts by weight.
- the zinc dihydrogen phosphate is preferably 10-20 parts by weight.
- the parts by weight of the ammonium hydrogen fluoride are 3-4 parts by weight.
- the zinc sulfate is in an amount of from 1 to 4 parts by weight.
- the ammonium metavanadate is in an amount of from 2 to 3 parts by weight.
- a preferable film forming effect is achieved by controlling the balance of the respective distribution ratios.
- ammonium hydrogen fluoride stabilizes the pH of the bath and promotes film formation.
- Phytic acid, zinc sulfate, and zinc dihydrogen phosphate are the main film-forming components.
- Ammonium metavanadate makes the film fine and uniform, which can increase the corrosion resistance and wear resistance of the phosphate film.
- the magnesium alloy phosphating film is dense, uniform, firm, stable, and has strong adhesion, and can effectively prevent corrosion of the corrosive medium to the body, and can be widely applied to magnesium alloy anti-corrosion.
- the magnesium alloy phosphating agent is compounded by phytic acid, zinc dihydrogen phosphate and various additives.
- the metal workpiece is immersed in an acid treatment liquid prepared from the phosphating solution, and the metal interacts with the acid and the salt to form a water-insoluble protective film layer on the surface of the workpiece.
- the film is dense and dense, and has the characteristics of dense, uniform, firm, stable, and strong adhesion.
- the embodiment of the present invention further provides a metal part surface phosphating treatment method, comprising the following steps: preparing a magnesium alloy phosphating agent as described above; using phosphoric acid or concentrated ammonia water to control the solution pH 3-5, The metal member is immersed in the phosphating solution, and after a predetermined daytime treatment, it is washed with water and dried.
- the metal member is immersed in a phosphating solution. After surface treatment, the magnesium alloy phosphating agent is controlled at a temperature of 15-80 °C. The metal member is immersed in the mash of the phosphating solution preferably for 1 to 40 minutes. Preferably, before the metal member is immersed in the phosphating solution, the metal workpiece is degreased, pickled, and after the metal member is immersed in the phosphating solution, washed with water and dried. Further, the metal member may be immersed in a rust preventive or rust preventive oil or painted.
- Embodiments of the present invention also provide a metal member which is processed by a surface phosphating treatment of a metal member as described above to form a film on the surface of the metal member.
- the film protects, lubricates, increases adhesion, and provides excellent corrosion resistance to metal parts.
- the components are mixed in the following parts by weight (total amount of 1000 parts by weight): 0.5 parts of phytic acid, 5 parts of zinc dihydrogen phosphate, 2 parts of ammonium hydrogen fluoride, 1 part of ammonium metavanadate, 1 part of zinc sulfate and the balance Water, stir, mix well, and prepare a phosphating agent.
- Phosphating treatment method preparing a magnesium alloy phosphating agent according to the above method; taking a magnesium alloy member as an example, the magnesium alloy member is immersed in the phosphating solution to control the phosphating solution at a temperature of 40 ° C, After 35 minutes of treatment, it was washed with water and dried. During the treatment, phosphating agent can be added to ensure the effect of the working fluid.
- the ingredients are mixed in the following parts by weight (total amount 1000 parts by weight): 1 part phytic acid, 13 parts zinc dihydrogen phosphate, 3 parts ammonium hydrogen fluoride, 2 parts ammonium metavanadate, 2 parts zinc sulfate and Water, stir, mix well, and prepare a phosphating agent.
- Phosphating treatment method preparing a magnesium alloy phosphating agent according to the above method; taking a magnesium alloy member as an example, the magnesium alloy member is immersed in the phosphating solution to control the phosphating solution at a temperature of 30 ° C, After 35 minutes of treatment, it was washed with water and dried. During the treatment, phosphating agent can be added to ensure the effect of the working fluid.
- the components are mixed in the following parts by weight (total amount is 1000 parts by weight): 1.5 parts of phytic acid, 22 parts of zinc dihydrogen phosphate, 4 parts of ammonium hydrogen fluoride, 3 parts of ammonium metavanadate, 3 parts of zinc sulfate and the balance Water, stir, mix well, with A phosphating agent is prepared.
- Phosphating treatment method preparing a magnesium alloy phosphating agent according to the above method; taking a magnesium alloy member as an example, the magnesium alloy member is immersed in the phosphating solution to control the phosphating solution at a temperature of 30 ° C, After 20 minutes of treatment, it was washed with water and dried. During the treatment, phosphating agent can be added to ensure the effect of the working fluid.
- the components are mixed according to the following parts by weight (total amount of 1000 parts by weight): 2 parts of phytic acid, 30 parts of zinc dihydrogen phosphate, 5 parts of ammonium hydrogen fluoride, 5 parts of ammonium metavanadate, 4 parts of zinc sulfate and the balance Water, stir, mix well, and prepare a phosphating agent.
- Phosphating treatment method preparing a magnesium alloy phosphating agent according to the above method; taking a magnesium alloy member as an example, the magnesium alloy member is immersed in the phosphating solution to control the phosphating solution at a temperature of 20 ° C, After 10 minutes of treatment, it was washed with water and dried. During the treatment, phosphating agent can be added to ensure the effect of the working fluid.
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
一种镁合金磷化剂，用于在金属件表面形成皮膜，以1000重量份计，其包括如下重量份数的成分：0.5-2份植酸，5-30份磷酸二氢锌，2-5份氟化氢铵，1-4份偏钒酸铵、1-4份硫酸锌和余量水。所述镁合金磷化剂形成的转化膜致密、均匀、牢固、稳定，附着力强，阻止腐蚀介质对机体的侵蚀。
Description
发明名称：镁合金磷化剂、 金属件及其表面磷化处理方法 技术领域
[0001] 本发明涉及金属表面处理技术领域， 具体涉及一种镁合金磷化剂、 金属件及其 表面磷化处理方法。
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， 镁、 铝、 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， 某些用途的金属件还需要 进行磷化处理。
[0003] 磷化处理一般采用磷化剂对金属件进行预处理， 以在金属件表面形成钝化层， 以便进行后续的表面处理， 增加后续膜的结合力和防腐力、 润滑性等。 例如， 镁合金涂装前需要在其表面形成皮膜， 再喷涂， 以提高其耐蚀性和装饰性。 或 者镁合金防腐蚀也需要形成皮膜。 然而， 现有的磷化剂大多工艺复杂， 沉澄多 ， 能耗高， 耐蚀性差， 附着力不好。
技术问题
[0004] 有鉴于此， 提供一种膜层致密、 均匀、 牢固、 稳定， 附着力强， 能有效地阻止 腐蚀介质对机体的侵蚀磷化剂， 以及金属件表面磷化处理方法和经过磷化处理 后制得的金属件。
问题的解决方案
技术解决方案
[0005] 一种镁合金磷化剂， 用于在金属件表面形成皮膜， 以 1000重量份计， 其包括如 下重量份数的成分： 0.5-2份植酸， 5-30份磷酸二氢锌， 2-5份氟化氢铵， 1-4份偏 钒酸铵、 1-4份硫酸锌和余量水。
[0006] 一种金属件表面磷化处理方法， 其包括下列步骤： 配制如上所述的镁合金磷化 齐 1J ; 控制溶液 PH值为 3-5， 将金属件浸入磷化溶液中经过预定吋间处理后， 水洗
， 干燥。
[0007] 以及， 一种金属件， 其表面具有通过如上所述的金属件表面磷化处理方法形成 的皮膜。
发明的有益效果
有益效果
[0008] 上述镁合金磷化剂由植酸、 磷酸二氢锌、 硫酸锌和多种添加剂复配而成， 形成 的膜层致密、 均匀、 牢固、 稳定， 附着力强， 能有效地阻止腐蚀介质对机体的 侵蚀， 使其在实际应用的环境中得到充分的保护。
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镁合金磷化剂， 用于在金属件表面形成皮膜， 以 1000重 量份计， 其包括如下重量份数的成分： 0.5-2份植酸， 5-30份磷酸二氢锌， 2-5份 氟化氢铵， 1-4份偏钒酸铵、 1-4份硫酸锌和余量水。
[0011] 具体地， 所述植酸的重量份数优选为 1-2份。 所述磷酸二氢锌的重量份数优选 为 10-20份。 所述氟化氢铵的重量份数为 3-4份。 所述硫酸锌的重量份数为 1-4份 。 所述偏钒酸铵的重量份数为 2-3份。
[0012] 在上述镁合金磷化剂中， 通过控制各成分配比平衡， 以达到较佳成膜效果。 其 中， 氟化氢铵稳定槽液 PH值并且促进成膜。 植酸、 硫酸锌、 磷酸二氢锌为主要 成膜成分。 偏钒酸铵使膜细致均匀可以增加磷化膜的耐蚀性和耐磨性。
[0013] 本实施例中， 镁合金磷化膜致密、 均匀、 牢固、 稳定， 附着力强， 能有效地阻 止腐蚀介质对机体的侵蚀， 可广泛应用于镁合金防腐蚀。 镁合金磷化剂是由植 酸、 磷酸二氢锌和多种添加剂复配而成。 将金属工件浸入由该磷化液配成的酸 性处理液中， 金属与酸及盐相互作用， 在工件表面生成一层不溶于水的保护性 膜层。 该膜层结晶致密， 具有膜致密、 均匀、 牢固、 稳定， 附着力强等特点。
[0014] 本发明实施例还提供一种金属件表面磷化处理方法， 其包括下列步骤： 配制如 上所述的镁合金磷化剂； 用磷酸或浓氨水控制溶液 PH值为 3-5， 将金属件浸入磷 化溶液中， 经过预定吋间处理后， 水洗， 干燥。
[0015] 在金属件浸入磷化溶液吋。 表面处理吋， 镁合金磷化剂温度控制在 15-80°C。
金属件浸入磷化溶液的吋间优选为 1-40分钟。 优选地， 在金属件浸入磷化溶液前 ， 先对金属工件进行除油， 酸洗处理， 在金属件浸入磷化溶液处理之后， 水洗 ， 干燥。 进一步可对金属件浸入防锈剂或防锈油或涂装处理。
[0016] 本发明实施例还提供一种金属件， 其通过如上所述的金属件表面磷化处理方法 进行处理， 在金属件表面形成皮膜。 皮膜可对金属件进行保护、 润滑、 增加附 着力、 耐蚀性强。
[0017] 以下通过具体实例说明本发明实施例的镁合金磷化剂及其处理方法等方面。
[0018] 实施例 1
[0019] 按照下列重量份数混合各成分 （总量为 1000重量份） ： 0.5份植酸， 5份磷酸二 氢锌， 2份氟化氢铵， 1份偏钒酸铵、 1份硫酸锌和余量水， 搅拌， 混合均匀， 配 制成磷化剂。
[0020] 磷化处理方法： 按照上述方法配制好镁合金磷化剂； 金属件以镁合金件为例， 将镁合金件浸入磷化溶液中， 控制磷化溶液的在 40°C温度下， 经过 35分钟处理后 ， 水洗， 干燥。 在处理过程中， 可及吋添加磷化剂， 以保证工作液的效果。
[0021] 经过上述磷化溶液处理后， 观察工件表面， 发现工件表面有一层膜层， 颜色均 匀， 皮膜细致， 经过中性盐雾试验 3小吋无明显腐蚀。
[0022] 实施例 2
[0023] 按照下列重量份数混合各成分 （总量为 1000重量份） ： 1份植酸， 13份磷酸二 氢锌， 3份氟化氢铵， 2份偏钒酸铵、 2份硫酸锌和余量水， 搅拌， 混合均匀， 配 制成磷化剂。
[0024] 磷化处理方法： 按照上述方法配制好镁合金磷化剂； 金属件以镁合金件为例， 将镁合金件浸入磷化溶液中， 控制磷化溶液的在 30°C温度下， 经过 35分钟处理后 ， 水洗， 干燥。 在处理过程中， 可及吋添加磷化剂， 以保证工作液的效果。
[0025] 经过上述磷化溶液处理后， 观察工件表面， 发现工件表面有一层膜层， 颜色均 匀， 皮膜细致， 经过中性盐雾试验 5小吋无明显腐蚀。
[0026] 实施例 3
[0027] 按照下列重量份数混合各成分 （总量为 1000重量份） ： 1.5份植酸， 22份磷酸二 氢锌， 4份氟化氢铵， 3份偏钒酸铵、 3份硫酸锌和余量水， 搅拌， 混合均匀， 配
制成磷化剂。
[0028] 磷化处理方法： 按照上述方法配制好镁合金磷化剂； 金属件以镁合金件为例， 将镁合金件浸入磷化溶液中， 控制磷化溶液的在 30°C温度下， 经过 20分钟处理后 ， 水洗， 干燥。 在处理过程中， 可及吋添加磷化剂， 以保证工作液的效果。
[0029] 经过上述磷化溶液处理后， 观察工件表面， 发现工件表面有一层膜层， 颜色均 匀， 皮膜细致， 经过中性盐雾试验 9小吋无明显腐蚀。
[0030] 实施例 4
[0031] 按照下列重量份数混合各成分 （总量为 1000重量份） ： 2份植酸， 30份磷酸二 氢锌， 5份氟化氢铵， 5份偏钒酸铵、 4份硫酸锌和余量水， 搅拌， 混合均匀， 配 制成磷化剂。
[0032] 磷化处理方法： 按照上述方法配制好镁合金磷化剂； 金属件以镁合金件为例， 将镁合金件浸入磷化溶液中， 控制磷化溶液的在 20°C温度下， 经过 10分钟处理后 ， 水洗， 干燥。 在处理过程中， 可及吋添加磷化剂， 以保证工作液的效果。
[0033] 经过上述磷化溶液处理后， 观察工件表面， 发现工件表面有一层膜层， 颜色均 匀， 皮膜细致， 经过中性盐雾试验 8小吋无明显腐蚀。
[0034] 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] 一种镁合金磷化剂， 用于在金属件表面形成皮膜， 其特征在于以 1000 重量份计， 其包括如下重量份数的成分： 0.5-2份植酸， 5-30份磷酸二 氢锌， 2-5份氟化氢铵， 1-4份偏钒酸铵、 1-4份硫酸锌和余量水。
[权利要求 2] 如权利要求 1所述的镁合金磷化剂， 其特征在于， 所述植酸的重量份 数为 1-2份。
[权利要求 3] 如权利要求 1所述的镁合金磷化剂， 其特征在于， 所述磷酸二氢锌的 重量份数为 10-20份。
[权利要求 4] 如权利要求 1所述的镁合金磷化剂， 其特征在于， 所述氟化氢铵的重 量份数为 3-4份。
[权利要求 5] 如权利要求 1所述的镁合金磷化剂， 其特征在于， 所述偏钒酸铵重量 份数为 2-3份。
[权利要求 6] 如权利要求 1所述的镁合金磷化剂， 其特征在于， 所述硫酸锌的重量 份数为 1-4份。
[权利要求 7] —种金属件表面磷化处理方法， 其包括下列步骤： 配制如权利要求 1-
6任一项所述的镁合金磷化剂； 用磷酸或浓氨水控制溶液 PH值为 3-5 ， 将金属件浸入磷化溶液中， 经过预定吋间处理后， 水洗， 干燥。
[权利要求 8] 如权利要求 7所述的金属件表面磷化处理方法， 其特征在于， 在金属 件浸入磷化溶液前， 先对金属工件进行除油， 酸洗处理， 所述磷化处 理温度为 15-80°C。
[权利要求 9] 一种金属件， 其特征在于， 所述金属件表面通过如权利要求 7所述的 金属件表面磷化处理方法形成有皮膜。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/091741 WO2019006674A1 (zh) | 2017-07-04 | 2017-07-04 | 镁合金磷化剂、金属件及其表面磷化处理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/091741 WO2019006674A1 (zh) | 2017-07-04 | 2017-07-04 | 镁合金磷化剂、金属件及其表面磷化处理方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2019006674A1 true WO2019006674A1 (zh) | 2019-01-10 |
Family
ID=64949601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2017/091741 WO2019006674A1 (zh) | 2017-07-04 | 2017-07-04 | 镁合金磷化剂、金属件及其表面磷化处理方法 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2019006674A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471987A (zh) * | 2020-06-08 | 2020-07-31 | 山东大学 | 一种高附着力植酸基铝合金表面有色化学转化膜液及应用 |
| CN112941497A (zh) * | 2021-01-27 | 2021-06-11 | 哈尔滨工程大学 | 一种基于镁合金保护层的快速自修复体系的制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4427459A (en) * | 1982-01-25 | 1984-01-24 | Pennwalt Corporation | Phosphate conversion coatings for metals with reduced coating weights and crystal sizes |
| CN101096761A (zh) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区汉达精密电子科技有限公司 | 镁合金表面磷化溶液及其磷化处理工艺 |
| CN101153392A (zh) * | 2006-09-28 | 2008-04-02 | 比亚迪股份有限公司 | 一种用于轻金属及其复合材料表面处理的组合物 |
| CN101638780A (zh) * | 2008-07-28 | 2010-02-03 | 比亚迪股份有限公司 | 一种镁合金磷化溶液和镁合金表面处理方法 |
| CN105951087A (zh) * | 2016-05-31 | 2016-09-21 | 无锡伊佩克科技有限公司 | 一种用于镁合金的钝化液及其制备方法 |
-
2017
- 2017-07-04 WO PCT/CN2017/091741 patent/WO2019006674A1/zh active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4427459A (en) * | 1982-01-25 | 1984-01-24 | Pennwalt Corporation | Phosphate conversion coatings for metals with reduced coating weights and crystal sizes |
| CN101096761A (zh) * | 2006-06-30 | 2008-01-02 | 佛山市顺德区汉达精密电子科技有限公司 | 镁合金表面磷化溶液及其磷化处理工艺 |
| CN101153392A (zh) * | 2006-09-28 | 2008-04-02 | 比亚迪股份有限公司 | 一种用于轻金属及其复合材料表面处理的组合物 |
| CN101638780A (zh) * | 2008-07-28 | 2010-02-03 | 比亚迪股份有限公司 | 一种镁合金磷化溶液和镁合金表面处理方法 |
| CN105951087A (zh) * | 2016-05-31 | 2016-09-21 | 无锡伊佩克科技有限公司 | 一种用于镁合金的钝化液及其制备方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471987A (zh) * | 2020-06-08 | 2020-07-31 | 山东大学 | 一种高附着力植酸基铝合金表面有色化学转化膜液及应用 |
| CN111471987B (zh) * | 2020-06-08 | 2021-08-03 | 山东大学 | 一种高附着力植酸基铝合金表面有色化学转化膜液及应用 |
| CN112941497A (zh) * | 2021-01-27 | 2021-06-11 | 哈尔滨工程大学 | 一种基于镁合金保护层的快速自修复体系的制备方法 |
| CN112941497B (zh) * | 2021-01-27 | 2023-12-12 | 哈尔滨工程大学 | 一种基于镁合金保护层的快速自修复体系的制备方法 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH11335865A (ja) | 金属の保護皮膜形成用処理剤と形成方法 | |
| WO2019006674A1 (zh) | 镁合金磷化剂、金属件及其表面磷化处理方法 | |
| JPH02228482A (ja) | 金属表面のリン酸亜鉛処理方法 | |
| JPS6017827B2 (ja) | カチオン型電着塗装のための金属表面の前処理方法 | |
| WO2017214992A1 (zh) | 陶化剂、金属件及其陶化处理方法 | |
| WO2019006630A1 (zh) | 镁合金磷化剂、金属件及其表面磷化处理方法 | |
| WO2018006270A1 (zh) | 无铬铝皮膜剂、铝材及其表面皮膜化处理方法 | |
| WO2018000233A1 (zh) | 铝材钝化剂、铝材及其表面钝化处理方法 | |
| WO2019006688A1 (zh) | 发黑磷化剂、金属件及其表面磷化处理方法 | |
| WO2019000451A1 (zh) | 硅烷钝化剂、金属工件及其钝化处理方法 | |
| WO2019006689A1 (zh) | 黑色磷化剂、金属件及其表面磷化处理方法 | |
| WO2019006687A1 (zh) | 免水洗锌钙系磷化剂、金属件及其表面磷化处理方法 | |
| WO2019006676A1 (zh) | 除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法 | |
| CN110651065A (zh) | 磷化剂、金属件及其表面磷化处理方法 | |
| WO2019006679A1 (zh) | 除油除锈钝化三合一钝化剂、钢铁件及其钝化处理方法 | |
| WO2019006608A1 (zh) | 钝化剂、金属镀件表面钝化方法和金属工件 | |
| WO2019006619A1 (zh) | 一种钝化剂、金属镀件表面处理方法和金属工件 | |
| WO2019006628A1 (zh) | 一种无铬钝化剂、铝件及其表面钝化处理方法 | |
| WO2019006625A1 (zh) | 无铬钝化剂、铝工件及其表面钝化处理方法 | |
| WO2019000447A1 (zh) | 一种硅烷钝化剂、金属工件及其钝化处理方法 | |
| WO2019006680A1 (zh) | 除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法 | |
| JPH01162780A (ja) | 塗装用金属表面のリン酸亜鉛処理方法 | |
| WO2018218436A1 (zh) | 改性磷化剂、金属件及其表面磷化处理方法 | |
| CN112725784A (zh) | 无磷钝化剂、金属件及其表面钝化处理方法 | |
| WO2019006607A1 (zh) | 一种钝化剂、金属镀件表面钝化处理方法和金属工件 |
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: 17917108 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: 17917108 Country of ref document: EP Kind code of ref document: A1 |