WO2019000450A1 - Agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, pièce d'acier et procédé de revêtement de surface pour celle-ci - Google Patents

Agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, pièce d'acier et procédé de revêtement de surface pour celle-ci Download PDF

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Publication number
WO2019000450A1
WO2019000450A1 PCT/CN2017/091313 CN2017091313W WO2019000450A1 WO 2019000450 A1 WO2019000450 A1 WO 2019000450A1 CN 2017091313 W CN2017091313 W CN 2017091313W WO 2019000450 A1 WO2019000450 A1 WO 2019000450A1
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WO
WIPO (PCT)
Prior art keywords
parts
weight
film
phosphating
degreasing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/091313
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English (en)
Chinese (zh)
Inventor
王饶玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hengzhaozhi Technology Co Ltd
Original Assignee
Shenzhen Hengzhaozhi Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Hengzhaozhi Technology Co Ltd filed Critical Shenzhen Hengzhaozhi Technology Co Ltd
Priority to PCT/CN2017/091313 priority Critical patent/WO2019000450A1/fr
Publication of WO2019000450A1 publication Critical patent/WO2019000450A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel

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 workpieces need to be pretreated before surface treatment, for example, cleaning, decontamination and degreasing, and steel parts for certain applications 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, before the phosphating treatment, it is necessary to degrease, derust, and adjust the steel parts. It is very complicated and cumbersome to use, and the energy consumption is required.
  • the processing tank needs to be long, and the processing time needs to be 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, as well as the surface treatment method of the steel parts and the steel parts obtained by the film treatment.
  • a degreasing and rusting phosphating triple-filming agent for forming a film on a surface of a steel part comprising 1000 parts by weight, including the following parts by weight: 20-80 parts of phosphoric acid, 6-30 parts Sodium carbonate, 1-4.5 nickel nitrate, 0.1-0.45 parts of copper sulfate, 1-6 parts of sodium molybdate, 0.05-3 parts of citric acid monohydrate, 0.1-3 parts of surfactant, balance of water.
  • a method for treating a surface of a steel piece comprising the steps of: formulating according to any one of claims 1-8 The degreasing and rusting phosphating three-in-one filming agent described in the item; immersing the steel piece in the filming agent solution, after the predetermined daytime treatment, washing the steel piece and drying.
  • the above-mentioned degreasing and descaling phosphating three-in-one film forming agent has a fine film structure and strong adhesion, and can produce a colored film having good corrosion resistance on the surface of the steel piece.
  • Embodiments of the present invention provide a degreasing and rusting phosphating triple film coating agent for surface pretreatment of steel parts, comprising 1000 parts by weight, including the following parts by weight: 20-80 parts of phosphoric acid, 6-30 parts of sodium carbonate, 1-4. 5 nickel nitrate, 0.1-0.45 parts of copper sulfate, 1-6 parts of sodium molybdate, 0.05-3 parts of citric acid monohydrate, 0.1-3 parts of surfactant, balance water.
  • the parts by weight of the phosphoric acid are 40-80 parts.
  • the weight fraction of the sodium carbonate is 1
  • the nickel nitrate is preferably 2-4 parts by weight
  • the copper sulfate is preferably 0.2-0.4 parts by weight
  • the sodium molybdate is preferably 2-5 parts by weight.
  • the weight fraction of the citric acid monohydrate is preferably
  • the surfactant is preferably from 1 to 3 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 or too thin to form a film, and if the reaction is too fast, the film formation is too fast, and the newly formed film is dissolved again.
  • the film is not sufficiently strong, so this embodiment is preferably a part by weight of phosphoric acid.
  • Phosphoric acid and molybdenum salts 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.
  • the oil-repellent and rust-phosphorating three-in-one film forming agent has a fine structure and strong adhesion, and can remove grease and rust on the surface of the steel piece and form a colored film with good corrosion resistance. .
  • An embodiment of the present invention further provides a method for treating a surface of a steel piece, comprising the steps of: preparing a degreasing and phosphating triple-layer film agent as described above; immersing the steel piece in a film solution, Pre-previous After the daytime treatment, 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 surface filming treatment method of a steel piece as described above to form a film on the surface of the steel piece.
  • the film protects steel parts and has a strong adhesion.
  • the degreasing and derusting phosphating triple-film agent of the embodiment of the present invention and a treatment method thereof will be described by way of specific examples.
  • the components are mixed according to the following parts by weight: 1000 parts by weight, 20 parts of phosphoric acid, 6 parts of sodium carbonate, 1 part of nickel nitrate, 0.1 part of copper sulfate, 1 part of sodium molybdate, 0.05 part of citric acid monohydrate , 0.1 part of nonylphenol ethoxylate, the balance of water.
  • 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.
  • a film agent can be added to ensure the effect of the working fluid.
  • the film drying temperature should not be too high, should be controlled at about 70 degrees to prevent cracks in the film.
  • the surface of the workpiece is observed, and the surface of the workpiece is found to be colored, free from oil, rust-free, uniform in color, and fine in phosphating. It can be placed in a dry place to ensure no rust in March, after spraying According to the adhesion test of 2 small boiling water, 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.
  • the components are mixed according to the following parts by weight: 40 parts by weight, 40 parts of phosphoric acid, 16 parts of sodium carbonate, 2 parts of nickel nitrate, 0.2 parts of copper sulfate, 2.5 parts of sodium molybdate, 1 part of citric acid monohydrate. , 1 part of nonylphenol ethoxylate, the balance of water.
  • 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.
  • a film agent can be added to ensure the effect of the working fluid.
  • the film drying temperature should not be too high, should be controlled at about 70 degrees to prevent cracks in the film.
  • the surface of the workpiece is observed, and the surface of the workpiece is found to be colored, free from oil, rust-free, uniform in color, and fine in phosphating. It can be placed in a dry place to ensure no rust in June, after spraying According to the adhesion test of 2 small boiling water, 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.
  • the components are mixed according to the following parts by weight: 1000 parts by weight, 60 parts of phosphoric acid, 23 parts of sodium carbonate, 3 parts of nickel nitrate, 0.3 parts of copper sulfate, 4 parts of sodium molybdate, 2 parts of citric acid monohydrate , 2 parts of nonylphenol ethoxylate
  • 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.
  • a film agent can be added to ensure the effect of the working fluid.
  • the film drying temperature should not be too high, should be controlled at about 70 degrees 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.
  • the components are mixed according to the following parts by weight: 80 parts by weight, 80 parts of phosphoric acid, 30 parts of sodium carbonate, 4 parts of nickel nitrate, 0.4 parts of copper sulfate, 5 parts of sodium molybdate, 3 parts of citric acid monohydrate. , 3 parts of nonylphenol ethoxylate
  • 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.
  • a film agent can be added to ensure the effect of the working fluid.
  • the film drying temperature should not be too high, should be controlled at about 70 degrees 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.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

La présente invention concerne un agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, une pièce d'acier et un procédé de revêtement de surface associé. L'agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration est utilisé pour le prétraitement sur la surface d'une pièce d'acier, et comprend, sur la base de 1000 parts en masse, les composants suivants en parts en masse : 20 à 80 parts d'acide phosphorique, 6 à 30 parts de carbonate de sodium, 1 à 4,5 parts de nitrate de nickel, 0,1 à 0,45 part de sulfate de cuivre, de 1 à 6 parts de molybdate de sodium, 0,05 à 3 parts d'acide citrique monohydraté, 0,1 à 3 parts d'un tensioactif, et le reste d'eau. L'agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration ci-dessus peut simultanément éliminer la contamination par l'huile et la rouille, et former une couche pelliculaire, la pellicule ayant une structure de couche fine et une adhérence ferme; et l'agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration peut former une pellicule colorée à la surface de l'acier, présente une bonne résistance à la corrosion et est capable d'améliorer l'adhérence d'un revêtement ultérieur.
PCT/CN2017/091313 2017-06-30 2017-06-30 Agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, pièce d'acier et procédé de revêtement de surface pour celle-ci Ceased WO2019000450A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/091313 WO2019000450A1 (fr) 2017-06-30 2017-06-30 Agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, pièce d'acier et procédé de revêtement de surface pour celle-ci

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/091313 WO2019000450A1 (fr) 2017-06-30 2017-06-30 Agent de revêtement combiné d'élimination d'huile, d'élimination de rouille et de phosphoration, pièce d'acier et procédé de revêtement de surface pour celle-ci

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WO2019000450A1 true WO2019000450A1 (fr) 2019-01-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1240239A (zh) * 1998-04-16 2000-01-05 日本巴卡莱近估股份有限公司 金属的表面处理方法及具有由此而得的表面的金属构件
CN101418446A (zh) * 2007-12-03 2009-04-29 武汉双博新技术有限公司 一种环保型多功能钢铁表面处理剂
EP2450423A1 (fr) * 2009-06-29 2012-05-09 Henkel AG & Co. KGaA Lubrifiant à base aqueuse utilisable en plasturgie présentant une remarquable résistance à la corrosion et matériau métallique présentant une remarquable aptitude au traitement plasturgique
CN102732364A (zh) * 2012-05-31 2012-10-17 天长市润达金属防锈助剂有限公司 一种防锈切削液的制备方法
CN105887070A (zh) * 2016-05-30 2016-08-24 五河县黄淮粮油机械有限公司 一种玉米制粉机磨辊表面钝化抗菌处理工艺

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1240239A (zh) * 1998-04-16 2000-01-05 日本巴卡莱近估股份有限公司 金属的表面处理方法及具有由此而得的表面的金属构件
CN101418446A (zh) * 2007-12-03 2009-04-29 武汉双博新技术有限公司 一种环保型多功能钢铁表面处理剂
EP2450423A1 (fr) * 2009-06-29 2012-05-09 Henkel AG & Co. KGaA Lubrifiant à base aqueuse utilisable en plasturgie présentant une remarquable résistance à la corrosion et matériau métallique présentant une remarquable aptitude au traitement plasturgique
CN102732364A (zh) * 2012-05-31 2012-10-17 天长市润达金属防锈助剂有限公司 一种防锈切削液的制备方法
CN105887070A (zh) * 2016-05-30 2016-08-24 五河县黄淮粮油机械有限公司 一种玉米制粉机磨辊表面钝化抗菌处理工艺

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