WO2019006676A1 - 除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法 - Google Patents

除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法 Download PDF

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WO2019006676A1
WO2019006676A1 PCT/CN2017/091744 CN2017091744W WO2019006676A1 WO 2019006676 A1 WO2019006676 A1 WO 2019006676A1 CN 2017091744 W CN2017091744 W CN 2017091744W WO 2019006676 A1 WO2019006676 A1 WO 2019006676A1
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parts
phosphating
weight
film
steel
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PCT/CN2017/091744
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English (en)
French (fr)
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方招娣
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深圳市长宏泰科技有限公司
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Priority to CN201780092834.1A priority Critical patent/CN110869532A/zh
Priority to PCT/CN2017/091744 priority patent/WO2019006676A1/zh
Publication of WO2019006676A1 publication Critical patent/WO2019006676A1/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
    • C23CCOATING 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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
    • C23C22/06Chemical 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
    • C23C22/07Chemical 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

Definitions

  • the present invention relates to the technical field of steel surface treatment, and in particular to a degreasing and rusting phosphating triple film coating 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 steel parts for certain purposes need to be filmed.
  • the filming treatment generally uses a filming agent to pretreat the steel piece to form a film layer on the surface of the steel piece for subsequent surface treatment, thereby increasing the bonding force and corrosion resistance of the subsequent film.
  • a filming agent For example, it is necessary to de-oil, derust, and adjust the steel parts before the phosphating treatment. It is very complicated and cumbersome to use, and has high energy consumption.
  • the treatment tank needs to be long and the processing time is long.
  • an easy-to-use, one-time degreasing and rusting phosphating three-in-one film treatment is provided, which saves time and energy consumption.
  • the film structure is fine and the adhesion is firm, and the steel material film processing method and the steel piece obtained by the film processing are obtained.
  • a degreasing and rusting phosphating three-in-one filming agent for forming a film on a surface of a steel part comprising 4000 parts by weight, including the following parts by weight: 100-200 parts of phosphoric acid, 0.5-5 parts Gelatin, 0.5-5 parts alum, 5-3 0 parts sodium tripolyphosphate, 30-60 parts zinc oxide, 2-6 parts alkyl polyoxyethylene ether, 2-20 parts magnesium oxide, balance water.
  • a steel material film processing method comprising the steps of: formulating according to any one of claims 1-8 The degreasing and rusting phosphating three-in-one film agent is described; the steel piece is immersed in the film agent solution, and after the predetermined daytime treatment, the surface of the steel piece is degreased, rusted, and a film is formed, the steel piece is washed, and dried.
  • the above-mentioned degreasing and descaling phosphating three-in-one film agent can remove oil and rust, and form a film layer by phosphating with the same layer.
  • the film structure is fine and the adhesion is firm, and can form good corrosion resistance on the surface of the steel piece. Gray film.
  • the embodiment of the present invention provides a degreasing and rusting phosphating triple film coating agent for surface treatment of steel parts, comprising 4000 parts by weight, including the following parts by weight: 100-200 parts of phosphoric acid, 0.5-5 parts gelatin, 0.5-5 parts alum, 5-30 parts sodium tripolyphosphate, 30-60 parts zinc oxide, 2-6 parts alkyl polyoxyethylene ether, 2-20 parts magnesium oxide, balance water .
  • the parts by weight of the phosphoric acid are 130-170 parts.
  • the gelatin is in a range of 2 to 4 parts by weight
  • the alum is preferably 2-4 parts by weight
  • the sodium tripolyphosphate is preferably 10 to 20 parts by weight.
  • the weight fraction of zinc oxide is preferably 40 to 50 parts
  • the weight fraction of the alkyl polyoxyethylene ether is preferably 3-5 parts.
  • the magnesium oxide is preferably 5 to 10 parts by weight.
  • a preferable film forming 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 film formation is too slow and too thin, and even the film cannot be formed. Otherwise, the reaction is too fast, resulting in film formation being too fast, and the newly formed film is dissolved again. It is not strong enough, so this embodiment is preferably a part by weight of phosphoric acid. Phosphoric acid, zinc oxide, and magnesium oxide are the main components of the coating layer. Surfactants are used as degreasing components, and other components are used as auxiliary components to promote film formation and increase corrosion resistance.
  • the degreasing and rusting phosphating three-in-one film agent can remove oil and rust, and form a film by phosphating with the same layer.
  • the film structure is fine and the adhesion is firm, and the surface of the steel piece can be removed. Grease and rust and produce a gray film with good corrosion resistance.
  • the embodiment of the present invention further provides a steel material film processing method, comprising the following steps: preparing a degreasing and rusting phosphating triple film agent as described above; immersing the steel piece in the film solution, after After the scheduled daytime treatment, the surface of the steel parts is degreased, derusted, and the film is formed, the steel parts are washed, and dried.
  • the steel member is immersed in the coating agent solution for a period of from 3 to 30 minutes.
  • Embodiments of the present invention also provide a steel piece which is treated by a steel sheet coating treatment method as described above to form a film on the surface of the steel piece.
  • the film protects the steel parts and has a strong adhesion.
  • the degreasing and descaling phosphating three-in-one film agent of the embodiment of the present invention and a treatment method thereof will be described by way of specific examples.
  • Treatment method preparing a degreasing and phosphating three-in-one film agent; immersing the steel parts in the film agent solution, and washing the steel pieces at room temperature after 30 minutes, and drying. During the treatment, dry at 70 degrees for 20 minutes to prevent cracks in the film.
  • adhesion evaluation 0 can be used for steel parts
  • the intermediate layer can also be used as a preservative treatment.
  • Treatment method preparing a degreasing and phosphating triple-layer film agent; immersing the steel parts in the film agent solution, and washing the steel pieces at room temperature after 25 minutes, and drying. During the treatment, dry at 70 degrees for 20 minutes to prevent cracks in the film.
  • the adhesion level 0 can be used as a good intermediate layer for steel parts coating and can also be used as anti-corrosion treatment.
  • Treatment method preparing a degreasing and phosphating three-in-one film agent; immersing the steel parts in the film solution, and washing the steel pieces at room temperature after being treated for 20 minutes, and drying. During the treatment, dry at 70 degrees for 20 minutes to prevent cracks in the film.
  • adhesion evaluation 0 can be used for steel parts
  • the intermediate layer can also be used as a preservative treatment.
  • Treatment method preparing a degreasing and phosphating triple-layer film agent; immersing the steel piece in the film agent solution, and washing the steel piece at room temperature after 15 minutes, and drying. During the treatment, dry at 70 degrees for 20 minutes to prevent cracks in the film.
  • adhesion evaluation 0 can be used for steel parts
  • the intermediate layer can also be used as a preservative treatment.

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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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

一种除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法。除油除锈磷化三合一皮膜剂用于钢铁件表面预处理,以4000重量份计,包括如下重量份数的成分:100-200份磷酸,0.5-5份明胶,0.5-5份明矾,5-30份三聚磷酸钠,30-60份氧化锌,2-6份烷基聚氧乙烯醚,2-20份氧化镁,余量的水。除油除锈磷化三合一皮膜剂能同时去除油污、锈迹,并且形成的膜层,膜层结构细致,附着力牢固,能在钢钢铁表面上生成灰色的皮膜,具有良好防腐性、并且能提高后续涂层的附着力。

Description

说明书
发明名称:除油除锈磷化三合一皮膜剂、 钢铁件及其皮膜化处理方 法
技术领域
[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磷化三合一皮膜剂
、 钢铁件及其皮膜化处理方法。
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, 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 行皮膜化处理。
[0003] 皮膜化处理一般采用皮膜剂对钢铁件进行预处理, 以在钢铁件表面形成膜层, 以便进行后续的表面处理, 增加后续膜的结合力和防腐力。 例如, 现在磷化处 理前需要对钢铁件进行除油, 除锈, 表调等处理, 使用起来非常复杂和麻烦并 且能耗高, 处理槽需要多, 处理吋间长。
技术问题
[0004] 有鉴于此, 提供一种使用简便, 一次性进行除油除锈磷化三合一皮膜处理, 节 省吋间和能耗。 该膜层结构细致、 附着力牢固, 以及钢铁件皮膜化处理方法和 经过皮膜化处理后制得的钢铁件。
问题的解决方案
技术解决方案
[0005] 一种除油除锈磷化三合一皮膜剂, 用于在钢铁件表面形成皮膜, 以 4000重量份 计, 包括如下重量份数的成分: 100-200份磷酸, 0.5-5份明胶, 0.5-5份明矾, 5-3 0份三聚磷酸钠, 30-60份氧化锌, 2-6份烷基聚氧乙烯醚, 2-20份氧化镁, 余量 的水。
[0006] 一种钢铁件皮膜化处理方法, 其包括下列步骤: 配制如权利要求 1-8任一项所 述的除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 经过预定吋间 处理后, 使钢铁件表面除油、 除锈, 并形成皮膜, 水洗钢铁件, 干燥。
[0007] 以及, 一种钢铁件, 其表面具有通过如上所述的钢铁件皮膜化处理方法形成的 皮膜。
发明的有益效果
有益效果
[0008] 上述除油除锈磷化三合一皮膜剂能够除油除锈, 同吋磷化形成膜层, 该膜层结 构细致, 附着力牢固, 能在钢铁件表面上生成具有良好防腐性的灰色的皮膜。
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除锈磷化三合一皮膜剂, 用于钢铁件表面预处理, 以 4000重量份计, 包括如下重量份数的成分: 100-200份磷酸, 0.5-5份明胶, 0.5 -5份明矾, 5-30份三聚磷酸钠, 30-60份氧化锌, 2-6份烷基聚氧乙烯醚, 2-20份 氧化镁, 余量的水。
[0011] 具体地, 所述磷酸的重量份数为 130-170份。 优选地, 所述明胶的重量份数为 2- 4份, 所述明矾的重量份数优选为 2-4份, 所述三聚磷酸钠的重量份数优选为 10-2 0份, 所述氧化锌的重量份数优选为 40-50份, 所述烷基聚氧乙烯醚的重量份数优 选为 3-5份。 所述氧化镁的重量份数优选为 5-10份。
[0012] 在上述除油除锈磷化三合一皮膜剂中, 通过控制各成分配比平衡, 以达到较佳 成膜效果。 例如, 当磷酸含量低, 则除锈慢或者不能除锈, 并且成膜过慢过薄 , 甚至不能成膜, 反之则反应过快导致成膜过快, 刚成的膜又会被溶解, 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、 氧化镁作为皮膜 层的主要成分, 表面活性剂作为除油成分, 其他成分作为辅助成分, 促进膜层 生成和增加耐蚀性。
[0013] 本实施例中, 除油除锈磷化三合一皮膜剂能够除油除锈, 同吋磷化形成膜层, 该膜层结构细致, 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 有良好防腐性的灰色的皮膜。 [0014] 本发明实施例还提供一种钢铁件皮膜化处理方法, 其包括下列步骤: 配制如上 所述的除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 经过预定吋 间处理后, 使钢铁件表面除油、 除锈, 并形成皮膜, 水洗钢铁件, 干燥。
[0015] 具体地, 钢铁件浸入皮膜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皮膜化处理方法进 行处理, 在钢铁件表面形成皮膜。 皮膜可对钢铁件进行保护, 且附着力牢固。 以下通过具体实例说明本发明实施例的除油除锈磷化三合一皮膜剂及其处理方 法等方面。
[0017] 实施例 1
[0018] 按照下列重量份数混合各成分: 以 4000重量份计, 包括如下重量份数的成分:
100份磷酸, 0.5份明胶, 0.5份明矾, 5份三聚磷酸钠, 30份氧化锌, 2份烷基聚 氧乙烯醚, 2份氧化镁, 余量的水。
[0019] 处理方法: 配制好除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 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, 以 70度左 右烘干, 二十分钟, 防止膜层出现裂痕。
[0020] 经过上述皮膜剂溶液处理后, 观察工件表面, 发现工件表面呈灰色色, 无油污
, 无锈迹, 颜色均匀, 磷化细致, 放置在干燥处可以保证 4个月不生锈, 喷涂处 理后按照 2小吋沸水附着性测试, 附着力评定 0级可做钢铁件涂装的良好中间层 也可作为防腐处理。
[0021] 实施例 2
[0022] 按照下列重量份数混合各成分: 以 4000重量份计, 包括如下重量份数的成分:
130份磷酸, 2份明胶, 2份明矾, 15份三聚磷酸钠, 40份氧化锌, 3份烷基聚氧 乙烯醚, 10份氧化镁, 余量的水。
[0023] 处理方法: 配制好除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 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, 以 70度左 右烘干, 二十分钟, 防止膜层出现裂痕。
[0024] 经过上述皮膜剂溶液处理后, 观察工件表面, 发现工件表面呈灰色色, 无油污
, 无锈迹, 颜色均匀, 磷化细致, 放置在干燥处可以保证 7个月不生锈, 喷涂处 理后按照 2小吋沸水附着性测试, 附着力评定 0级可做钢铁件涂装的良好中间层 也可作为防腐处理。
[0025] 实施例 3
[0026] 按照下列重量份数混合各成分: 以 4000重量份计, 包括如下重量份数的成分:
160份磷酸, 3.5份明胶, 3.5份明矾, 22份三聚磷酸钠, 50份氧化锌, 5份烷基聚 氧乙烯醚, 15份氧化镁, 余量的水。
[0027] 处理方法: 配制好除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 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, 以 70度左 右烘干, 二十分钟, 防止膜层出现裂痕。
[0028] 经过上述皮膜剂溶液处理后, 观察工件表面, 发现工件表面呈灰色色, 无油污
, 无锈迹, 颜色均匀, 磷化细致, 放置在干燥处可以保证 13个月不生锈, 喷涂 处理后按照 2小吋沸水附着性测试, 附着力评定 0级可做钢铁件涂装的良好中间 层也可作为防腐处理。
[0029] 实施例 4
[0030] 按照下列重量份数混合各成分: 以 4000重量份计, 包括如下重量份数的成分:
200份磷酸, 5份明胶, 5份明矾, 30份三聚磷酸钠, 60份氧化锌, 6份烷基聚氧 乙烯醚, 20份氧化镁, 余量的水。
[0031] 处理方法: 配制好除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液中, 在常温下, 经过 15分钟处理后, 水洗钢铁件, 干燥。 在处理过程中, 以 70度左 右烘干, 二十分钟, 防止膜层出现裂痕。
[0032] 经过上述皮膜剂溶液处理后, 观察工件表面, 发现工件表面呈灰色色, 无油污
, 无锈迹, 颜色均匀, 磷化细致, 放置在干燥处可以保证 14个月不生锈, 喷涂 处理后按照 2小吋沸水附着性测试, 附着力评定 0级可做钢铁件涂装的良好中间 层也可作为防腐处理。
[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

权利要求书
[权利要求 1] 一种除油除锈磷化三合一皮膜剂, 用于在钢铁件表面形成皮膜, 其特 征在于, 以 4000重量份计, 包括如下重量份数的成分: 100-200份磷 酸, 0.5-5份明胶, 0.5-5份明矾, 5-30份三聚磷酸钠, 30-60份氧化锌 , 2-6份烷基聚氧乙烯醚, 2-20份氧化镁, 余量的水。
[权利要求 2] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 磷酸的重量份数为 130-170份。
[权利要求 3] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 明胶的重量份数为 2-4份。
[权利要求 4] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 明矾的重量份数为 2-4份。
[权利要求 5] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 三聚磷酸钠的重量份数为 10-20份。
[权利要求 6] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 氧化锌的重量份数为 40-50份。
[权利要求 7] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 烷基聚氧乙烯醚的重量份数为 3-5份。
[权利要求 8] 如权利要求 1所述的除油除锈磷化三合一皮膜剂, 其特征在于, 所述 氧化镁重量份数为 5-10份。
[权利要求 9] 一种钢铁件皮膜化处理方法, 其包括下列步骤: 配制如权利要求 1-8 任一项所述的除油除锈磷化三合一皮膜剂; 将钢铁件浸入皮膜剂溶液 中, 经过预定吋间处理后, 使钢铁件表面除油、 除锈, 并形成皮膜, 水洗钢铁件, 干燥。
[权利要求 10] 一种钢铁件, 其特征在于, 所述钢铁件表面通过如权利要求 9所述的 钢铁件皮膜化处理方法形成有皮膜。
PCT/CN2017/091744 2017-07-04 2017-07-04 除油除锈磷化三合一皮膜剂、钢铁件及其皮膜化处理方法 WO2019006676A1 (zh)

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