CN104498946A - Steel plate surface phosphatization method - Google Patents

Steel plate surface phosphatization method Download PDF

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Publication number
CN104498946A
CN104498946A CN201410700086.9A CN201410700086A CN104498946A CN 104498946 A CN104498946 A CN 104498946A CN 201410700086 A CN201410700086 A CN 201410700086A CN 104498946 A CN104498946 A CN 104498946A
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CN
China
Prior art keywords
steel plate
bonderizing
carrying
phosphatization
plating
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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.)
Pending
Application number
CN201410700086.9A
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Chinese (zh)
Inventor
云晓杰
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.)
ANHUI HUACAN COLOR STEEL SHEET TECHNOLOGY Co Ltd
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ANHUI HUACAN COLOR STEEL SHEET 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.)
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Publication date
Application filed by ANHUI HUACAN COLOR STEEL SHEET TECHNOLOGY Co Ltd filed Critical ANHUI HUACAN COLOR STEEL SHEET TECHNOLOGY Co Ltd
Priority to CN201410700086.9A priority Critical patent/CN104498946A/en
Publication of CN104498946A publication Critical patent/CN104498946A/en
Pending legal-status Critical Current

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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
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • C23C22/36—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 fluorides or complex fluorides containing also phosphates
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/30—Electroplating: Baths therefor from solutions of tin

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

The invention relates to a steel plate surface phosphatization method. The steel plate surface phosphatization method comprises the following steps of 1, carrying out alkali washing on the surface of a steel plate, 2, carrying out pickling on the steel plate by sulfuric acid with a concentration of 3%, and carrying out washing, 3, carrying out electroplating in a plating solution by the steel plate surface as a cathode and inert metal as an anode, and 4, carrying out phosphatization on the electroplated steel plate by a phosphatization liquid, carrying out washing and carrying out drying. The steel plate surface phosphatization method utilizes a novel phosphatization liquid in phosphatization, can be used at a low treatment temperature of 33-40 DEG C, shortens time to 1-3min, realizes good film forming, greatly improves compactness and uniformity of the phosphated film and improves steel plate corrosion resistance and wear resistance.

Description

A kind of method for bonderizing of surface of steel plate
Technical field
The invention belongs to surface of steel plate process field, be specifically related to a kind of method for bonderizing of surface of steel plate.
Background technology
Present steel plate is before carrying out the steps such as application, and often advanced bonderizing, phosphorization is the effect of phosphatization before (1) application: 1. strengthen bonding force between application rete (as paint coatings) and workpiece.2. the solidity to corrosion of surface coating after application is improved.3. improve ornamental.(2) effect of non-application phosphatization: the wear resistance 1. improving workpiece; 2. workpiece is made to have oilness in machining process; 3. the solidity to corrosion of workpiece is improved.But present parkerizing method effect is poor, film forming is loose, uneven, and erosion resistance is bad.
Summary of the invention
The object of this invention is to provide a kind of method for bonderizing of surface of steel plate, improve homogeneity and the compactness of surface of steel plate film forming after bonderizing, improve anticorrosion ability.
The present invention is achieved through the following technical solutions:
A method for bonderizing for surface of steel plate, comprises the following steps:
(1), surface of steel plate is carried out alkali cleaning;
(2), by steel plate use the sulfuric acid of 3% to carry out pickling, then wash;
(3), using surface of steel plate as negative electrode, inert metal as anode, electroplate liquid is used to electroplate, electroplate liquid is made up of following component: Manganous chloride tetrahydrate 5-8 part, ammonium molybdate 3-5 part, sulfuric acid 12-15 part, Repone K 5-7 part, water 50-65 part, propane sulfonic acid tin 7-12 part, methanesulfonic tin 1-3 part, electroplate liquid PH is regulated to be 2.8-5.5, plating adopts constant current plating mode, size of current is 2.5-4mA, washes after plating;
(4), Phosphating Solution is used to carry out bonderizing the steel plate after plating, Phosphating Solution is made up of following component: maleic anhydride 6-9 part, ammonium phosphate 5-8 part, sulfuric acid 1-2 part, zinc chloride 3-5 part, arsenic pentafluoride 0.1-0.2 part, potassium hypochlorite 1-2 part, water 55-60 part, bonderizing temperature is 33-40 DEG C, treatment time is 1-3min, clean after bonderizing, dry.
Preferably, surface of steel plate electroplating time is 5-8h.
The alkali lye of alkali cleaning is made up of following component: sodium carbonate 5-8 part, sodium hydroxide 0.5-0.8 part, primary ammonium phosphate 5-8 part, 80 parts, water.
In the present invention, each component concentration by weight.
Beneficial effect of the present invention: in the present invention after having cleaned surface of steel plate, electroplating processes is carried out at surface of steel plate, one deck tin layers is formed at surface of steel plate, substantially increase the resistance to oxidation corrosive nature of surface of steel plate, the corrosion to steel plate in phosphating step can be reduced simultaneously, new phosphide liquid is used in phosphating step, can process at a lower temperature, treatment temp is at 33-40 DEG C, time shorten is to 1-3min, and film forming stability is good, substantially increases compactness and the homogeneity of phosphatize phosphate coat after bonderizing, improve erosion resistance and the wear resistance of steel plate.
Embodiment
A method for bonderizing for surface of steel plate, comprises the following steps:
(1), by surface of steel plate carry out alkali cleaning, the alkali lye of alkali cleaning is made up of following component: sodium carbonate 5-8 part, sodium hydroxide 0.5-0.8 part, primary ammonium phosphate 5-8 part, 80 parts, water;
(2), by steel plate use the sulfuric acid of 3% to carry out pickling, then wash;
(3), using surface of steel plate as negative electrode, inert metal as anode, electroplate liquid is used to electroplate, electroplate liquid is made up of following component: Manganous chloride tetrahydrate 5-8 part, ammonium molybdate 3-5 part, sulfuric acid 12-15 part, Repone K 5-7 part, water 50-65 part, propane sulfonic acid tin 7-12 part, methanesulfonic tin 1-3 part, electroplate liquid PH is regulated to be 2.8-5.5, plating adopts constant current plating mode, size of current is 2.5-4mA, washes after plating;
(4), Phosphating Solution is used to carry out bonderizing the steel plate after plating, Phosphating Solution is made up of following component: maleic anhydride 6-9 part, ammonium phosphate 5-8 part, sulfuric acid 1-2 part, zinc chloride 3-5 part, arsenic pentafluoride 0.1-0.2 part, potassium hypochlorite 1-2 part, water 55-60 part, bonderizing temperature is 33-40 DEG C, treatment time is 1-3min, clean after bonderizing, dry.
Preferably, surface of steel plate electroplating time is 5-8h.
Preferably, step (3) electroplate liquid is made up of following component: Manganous chloride tetrahydrate 7 parts, ammonium molybdate 3 parts, 14 parts, sulfuric acid, 6 parts, Repone K, 55 parts, water, 10 parts, propane sulfonic acid tin, 2 parts, methanesulfonic tin, regulate electroplate liquid PH to be 3.5, plating adopts constant current plating mode, and size of current is 2.5mA.
Preferably, Phosphating Solution is made up of following component: maleic anhydride 8 parts, 7 parts, ammonium phosphate, 1.5 parts, sulfuric acid, zinc chloride 3 parts, arsenic pentafluoride 0.2 part, potassium hypochlorite 1.8 parts, 60 parts, water.
Preferably, phosphatization temperature is 35 DEG C.
Preferably, described inert metal is platinum.

Claims (3)

1. a method for bonderizing for surface of steel plate, is characterized in that, comprises the following steps:
(1), surface of steel plate is carried out alkali cleaning;
(2), by steel plate use the sulfuric acid of 3% to carry out pickling, then wash;
(3), using surface of steel plate as negative electrode, inert metal as anode, electroplate liquid is used to electroplate, electroplate liquid is made up of following component: Manganous chloride tetrahydrate 5-8 part, ammonium molybdate 3-5 part, sulfuric acid 12-15 part, Repone K 5-7 part, water 50-65 part, propane sulfonic acid tin 7-12 part, methanesulfonic tin 1-3 part, electroplate liquid PH is regulated to be 2.8-5.5, plating adopts constant current plating mode, size of current is 2.5-4mA, washes after plating;
(4), Phosphating Solution is used to carry out bonderizing the steel plate after plating, Phosphating Solution is made up of following component: maleic anhydride 6-9 part, ammonium phosphate 5-8 part, sulfuric acid 1-2 part, zinc chloride 3-5 part, arsenic pentafluoride 0.1-0.2 part, potassium hypochlorite 1-2 part, water 55-60 part, bonderizing temperature is 33-40 DEG C, treatment time is 1-3min, clean after bonderizing, dry.
2. the method for bonderizing of a kind of surface of steel plate according to claim 1, is characterized in that: surface of steel plate electroplating time is 5-8h.
3. the method for bonderizing of a kind of surface of steel plate according to claim 1, is characterized in that: in step (1), the alkali lye of alkali cleaning is made up of following component: sodium carbonate 5-8 part, sodium hydroxide 0.5-0.8 part, primary ammonium phosphate 5-8 part, 80 parts, water.
CN201410700086.9A 2014-11-28 2014-11-28 Steel plate surface phosphatization method Pending CN104498946A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105002526A (en) * 2015-06-30 2015-10-28 安徽飞达新材料科技股份有限公司 Cold-rolled steel plate brightener
CN105463425A (en) * 2015-12-31 2016-04-06 芜湖奕辰模具科技有限公司 Preparing method for film formation treating fluid used for phosphating steel plates
CN105463422A (en) * 2015-12-31 2016-04-06 芜湖市金宇石化设备有限公司 Phosphating method before coating automobile doors
CN105463426A (en) * 2015-12-31 2016-04-06 芜湖奕辰模具科技有限公司 Steel plate phosphating method
CN105543822A (en) * 2015-12-31 2016-05-04 芜湖市金宇石化设备有限公司 Treatment liquid for phosphating before painting of automobile door
CN105543821A (en) * 2015-12-31 2016-05-04 芜湖奕辰模具科技有限公司 Film-forming treatment liquid for steel plate phosphating
CN105603406A (en) * 2015-12-31 2016-05-25 芜湖市金宇石化设备有限公司 Method for preparing treatment fluid for phosphating treatment before coating automobile doors
CN105649744A (en) * 2015-12-31 2016-06-08 芜湖恒耀汽车零部件有限公司 Exhaust pipe suspension lifting hook with high corrosion resistance
CN105649740A (en) * 2015-12-31 2016-06-08 芜湖恒耀汽车零部件有限公司 Automobile exhaust pipe with purifying device
CN106671625A (en) * 2016-11-24 2017-05-17 四川吉盛印铁有限公司 Novel environment-friendly tinplate printing processing technology
CN107313047A (en) * 2017-07-12 2017-11-03 安徽凯密克企业管理咨询有限公司 A kind of anti-oxidation handling process of auto parts and components
CN107488841A (en) * 2017-08-08 2017-12-19 肥西县通力机械有限公司 A kind of phosphorization treatment process of steel plate
CN110484943A (en) * 2019-08-12 2019-11-22 天津市凯鑫金属制品有限公司 A kind of electroplating technology of high-order drop-down training aids handle
CN111304706A (en) * 2020-03-13 2020-06-19 葛家玉 Chromium-free tin plate and surface treatment method thereof

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JP2005264326A (en) * 2004-02-20 2005-09-29 Nippon Paint Co Ltd Surface conditioner and surface conditioning method
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EP1959031A1 (en) * 2005-07-29 2008-08-20 Nippon Paint Co., Ltd. Surface conditioners and method of surface condition
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105002526A (en) * 2015-06-30 2015-10-28 安徽飞达新材料科技股份有限公司 Cold-rolled steel plate brightener
CN105463425A (en) * 2015-12-31 2016-04-06 芜湖奕辰模具科技有限公司 Preparing method for film formation treating fluid used for phosphating steel plates
CN105463422A (en) * 2015-12-31 2016-04-06 芜湖市金宇石化设备有限公司 Phosphating method before coating automobile doors
CN105463426A (en) * 2015-12-31 2016-04-06 芜湖奕辰模具科技有限公司 Steel plate phosphating method
CN105543822A (en) * 2015-12-31 2016-05-04 芜湖市金宇石化设备有限公司 Treatment liquid for phosphating before painting of automobile door
CN105543821A (en) * 2015-12-31 2016-05-04 芜湖奕辰模具科技有限公司 Film-forming treatment liquid for steel plate phosphating
CN105603406A (en) * 2015-12-31 2016-05-25 芜湖市金宇石化设备有限公司 Method for preparing treatment fluid for phosphating treatment before coating automobile doors
CN105649744A (en) * 2015-12-31 2016-06-08 芜湖恒耀汽车零部件有限公司 Exhaust pipe suspension lifting hook with high corrosion resistance
CN105649740A (en) * 2015-12-31 2016-06-08 芜湖恒耀汽车零部件有限公司 Automobile exhaust pipe with purifying device
CN106671625A (en) * 2016-11-24 2017-05-17 四川吉盛印铁有限公司 Novel environment-friendly tinplate printing processing technology
CN107313047A (en) * 2017-07-12 2017-11-03 安徽凯密克企业管理咨询有限公司 A kind of anti-oxidation handling process of auto parts and components
CN107488841A (en) * 2017-08-08 2017-12-19 肥西县通力机械有限公司 A kind of phosphorization treatment process of steel plate
CN107488841B (en) * 2017-08-08 2019-07-05 上海帕卡濑精有限公司 A kind of phosphorization treatment process of steel plate
CN110484943A (en) * 2019-08-12 2019-11-22 天津市凯鑫金属制品有限公司 A kind of electroplating technology of high-order drop-down training aids handle
CN111304706A (en) * 2020-03-13 2020-06-19 葛家玉 Chromium-free tin plate and surface treatment method thereof

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