CN108103487A - A kind of zinc-plated silicate passivation solution and preparation method thereof - Google Patents

A kind of zinc-plated silicate passivation solution and preparation method thereof Download PDF

Info

Publication number
CN108103487A
CN108103487A CN201711363779.3A CN201711363779A CN108103487A CN 108103487 A CN108103487 A CN 108103487A CN 201711363779 A CN201711363779 A CN 201711363779A CN 108103487 A CN108103487 A CN 108103487A
Authority
CN
China
Prior art keywords
solution
zinc
sodium metasilicate
nitric acid
water
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.)
Withdrawn
Application number
CN201711363779.3A
Other languages
Chinese (zh)
Inventor
程雯
李移乐
黄婷
张筠欣
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.)
Shaanxi Research Design Institute of Petroleum and Chemical Industry
Original Assignee
Shaanxi Research Design Institute of Petroleum and Chemical Industry
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 Shaanxi Research Design Institute of Petroleum and Chemical Industry filed Critical Shaanxi Research Design Institute of Petroleum and Chemical Industry
Priority to CN201711363779.3A priority Critical patent/CN108103487A/en
Publication of CN108103487A publication Critical patent/CN108103487A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C23C22/08Orthophosphates
    • C23C22/10Orthophosphates containing oxidants

Abstract

The present invention provides a kind of zinc-plated silicate passivation solution and preparation method thereof, is related to galvanizing surface processing technology field, and the passivating solution component includes following raw material:40 50g/L of non-hydrate sodium metasilicate, 95% 98% 3 5mL/L of the concentrated sulfuric acid, 30% hydrogen peroxide, 6 15mL/L, 65% 68% 2 5mL/L of concentrated nitric acid, five water cerous nitrates, 4 10g/L, remaining is distilled water, and overall solution volume 1L, the pH value for being passivated system is 12.Preparation process of the present invention is simple.Passivating solution film forming glossiness is good, and surface is uniform, has good corrosion resistance.Present invention ingredient used in passivating solution is inorganic matter, without any valence state chromium and noxious material, overcomes the shortcomings of chromating technology toxicity is big, to environment generation destruction;Instant component is cheap, beneficial to production and promotes.

Description

A kind of zinc-plated silicate passivation solution and preparation method thereof
Technical field
The present invention relates to a kind of material surface preservative treatment technology fields, and in particular to a kind of zinc-plated silicate passivation solution and Its preparation method.
Background technology
The zinc-plated corrosion resistance that can effectively improve steel plate, is widely used in building materials field, but in wet environment Middle zinc coat easily occurs corrosion and forms dark gray or white corrosion product, and antiseptic property is caused to decline.It must carry out therefore Passivation Treatment.Chromic acid passivation agent used currently on the market, effect is good, but pollution is larger, with the strengthening of people's awareness of environmental protection, Chromium-free deactivation will gradually occupy whole market, and silicate passivation has stronger competitiveness.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of zinc-plated silicate passivation solution and preparation method thereof, costs It is cheap, it is environmentally safe, while there is good corrosion resistance.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of zinc-plated silicate passivation solution, for the Passivation Treatment of zinc coat parts, is made of following raw material:Nine water are inclined Sodium metasilicate 40-50g/L, 95%-98% concentrated sulfuric acid 3-5mL/L, 30% hydrogen peroxide 6-15mL/L, 65%-68% concentrated nitric acid 2- 5mL/L, five water cerous nitrate 4-10g/L, remaining be distilled water, overall solution volume 1L, be passivated system pH value be 1-2.
Wherein, non-hydrate sodium metasilicate is powdered.
Preferably, zinc-plated silicate passivation solution, is made of following raw material:Non-hydrate sodium metasilicate 45g/L, 95%-98% is dense Sulfuric acid 5mL/L, 30% hydrogen peroxide 10mL/L, 65%-68% concentrated nitric acid 2mL/L, five water cerous nitrate 8g/L, remaining is distilled water, Overall solution volume is 1L, the pH=1.4 of passivating solution.
A kind of preparation method of zinc-plated silicate passivation solution, comprises the following steps:
(1) at room temperature, by non-hydrate sodium metasilicate high speed Universal pulverizer, 20000-25000 revs/min, 3-6 points are crushed Clock breaks into powder, takes the sodium metasilicate powder after crushing, is dissolved in distilled water, and it is made fully to dissolve;
(2) concentrated sulfuric acid, hydrogen peroxide and concentrated nitric acid are added in into step (1) successively, is stirred evenly;
(3) 65%-68% concentrated nitric acids are configured to the salpeter solution of 3%-5%, for adjusting the pH value of solution to 1-2;
(4) five water cerous nitrates are added in and stirs in step (3) and fully dissolve, silicate passivation solution is made.
Compared with prior art, the present invention it has the following advantages:(1) corrosion resisting property of the present invention is excellent, rotten through neutral salt spray Corrosion test compares, and occurs corrosion pit for 24 hours after the preferable chromating of business application at present, and through blunt prepared by the present invention There is the time lengthening of white rust to 94h after changing liquid processing;(2) non-hydrate sodium metasilicate that uses of the present invention is as main component, together When non-hydrate sodium metasilicate is crushed with high speed Universal pulverizer, the dissolubility of nine water metasilicates, Jin Erti can be significantly improved High film forming efficiency so that surface is uniform;(3) present invention ingredient used in passivating solution is inorganic matter, without any valence state chromium and Noxious material overcomes the shortcomings of chromating technology toxicity is big, to environment generation destruction;(4) cerium salt is that one kind is appraised at the current rate gold Belong to, can store and discharge electronics, form different oxides, commonly used under alkaline condition, the present invention is using cerous nitrate to mix Carnallite as the component modifier of passivating solution, has played important function in acid system.(5) instant component is cheap, is beneficial to Production and popularization.
Specific embodiment
The essence of the present invention is described further with reference to embodiment.
Embodiment 1:
Zinc-plated silicate passivation solution, is made of following raw material:Non-hydrate sodium metasilicate 50.0g/L, the nine water metasilicic acids Sodium is powdered, 95%-98% concentrated sulfuric acids 5.0mL/L, 30% hydrogen peroxide 6.0mL/L, 65%-68% concentrated nitric acid 2.0mL/L, nitre Sour cerium 10.0g/L, remaining is distilled water, and overall solution volume 1L, the pH value for being passivated system is 1.0.
Its preparation method is:At room temperature, by non-hydrate sodium metasilicate with high speed Universal pulverizer (FW-200D), 20000 turns/ Divide -25000 revs/min, crush 3 minutes, break into powder, take the non-hydrate sodium metasilicate powder after 50g crushing, be dissolved in 1L distilled water In, and it is made fully to dissolve;The 5.0mL concentrated sulfuric acids, 6.0mL hydrogen peroxide are added in into sodium silicate solution successively, 2.0mL concentrated nitric acids stir It mixes uniformly;The salpeter solution that 65%-68% concentrated nitric acids are configured to 3% afterwards is used to adjust the pH value of solution as 1.0;It adds Five water cerous nitrates of 10g are stirred and fully dissolved, and silicate passivation solution is made.
The non-hydrate sodium metasilicate is industrial goods, and the concentrated sulfuric acid, hydrogen peroxide, concentrated nitric acid, five water cerous nitrates are commercially availableization Learn net product.
It is 20 μm of galvanized steel Q235 by zinc coating thickness, 30s, distilled water flushing 1min is activated with 3% nitric acid, in 35 DEG C of items Under part, by after activation galvanized sheet immerse passivating solution in 90s, drying at room temperature for 24 hours after, carry out neutral salt spray test.
Salt mist experiment result is referring to table 1.
Embodiment 2:
Zinc-plated silicate passivation solution, is made of following raw material:Nine water sodium metasilicate 40.0g/L, the non-hydrate sodium metasilicate To be powdered, 95%-98% concentrated sulfuric acids 3.0mL/L, 30% hydrogen peroxide 10.0mL/L, 65%-68% concentrated nitric acid 5.0mL/L, five Water cerous nitrate 4.0g/L, remaining is distilled water, and overall solution volume 1L, the pH value for being passivated system is 1.5.
Its preparation method is:At room temperature, by sodium metasilicate with high speed Universal pulverizer (FW-200D), 20000 revs/min, crush 6 minutes, powder is broken into, the sodium metasilicate powder after 40g crushing is taken, is dissolved in 1L distilled water, and it is made fully to dissolve;Successively to silicon The 3.0mL concentrated sulfuric acids, 10.0mL hydrogen peroxide are added in acid sodium solution, 5.0mL concentrated nitric acids stir evenly;It is adjusted afterwards with 3% nitric acid The pH value of solution is 1.5;It adds 4.0g cerous nitrates to stir and fully dissolve, silicate passivation solution is made.
The non-hydrate sodium metasilicate is industrial goods, and the concentrated sulfuric acid, hydrogen peroxide, concentrated nitric acid, cerous nitrate are that commercially available chemistry is pure Product.
It is 20 μm of galvanized steel Q235 by zinc coating thickness, 30s, distilled water flushing 1min is activated with 3% nitric acid, in 35 DEG C of items Under part, by after activation galvanized sheet immerse passivating solution in 90s, drying at room temperature for 24 hours after, carry out neutral salt spray test.
Salt mist experiment result is referring to table 1.
Embodiment 3:
Zinc-plated silicate passivation solution, is made of following raw material:Non-hydrate sodium metasilicate 45g/L, the non-hydrate sodium metasilicate To be powdered, 95%-98% concentrated sulfuric acids 5mL/L, 30% hydrogen peroxide 10mL/L, 65%-68% concentrated nitric acid 2mL/L, five water nitric acid Cerium 8g/L, remaining is distilled water, overall solution volume 1L, the pH=1.4 of passivating solution.
Its preparation method is:At room temperature, by non-hydrate sodium metasilicate with high speed Universal pulverizer (FW-200D), 25000 turns/ Point, it crushes 3 minutes, breaks into powder, take the sodium metasilicate powder after 45g crushing, be dissolved in 1L distilled water, and it is made fully to dissolve; The 5.0mL concentrated sulfuric acids, 10.0mL hydrogen peroxide are added in into sodium silicate solution successively, 2.0mL concentrated nitric acids stir evenly;Afterwards with 3% The pH value that concentrated nitric acid adjusts solution is 1.4;It adds five water cerous nitrates of 8.0g to stir and fully dissolve, silicate passivation is made Liquid.
The non-hydrate sodium metasilicate is industrial goods, and the concentrated sulfuric acid, hydrogen peroxide, concentrated nitric acid, cerous nitrate are that commercially available chemistry is pure Product.
It is 20 μm of galvanized steel Q235 by zinc coating thickness, 30s, distilled water flushing 1min is activated with 3% nitric acid, in 35 DEG C of items Under part, by after activation galvanized sheet immerse passivating solution in 90s, drying at room temperature for 24 hours after, carry out neutral salt spray test.
Salt mist experiment result is referring to table 1.
1 salt mist experiment result of table

Claims (4)

1. a kind of zinc-plated silicate passivation solution, it is characterised in that:It is made of following raw material:Non-hydrate sodium metasilicate 40-50g/L, 95%-98% concentrated sulfuric acids 3-5mL/L, 30% hydrogen peroxide 6-15mL/L, 65%-68% concentrated nitric acid 2-5mL/L, five water cerous nitrate 4- 10g/L, remaining be distilled water, overall solution volume 1L, be passivated system pH value be 1-2.
2. zinc-plated silicate passivation solution as described in claim 1, it is characterised in that:The non-hydrate sodium metasilicate is powder Shape.
3. zinc-plated silicate passivation solution as claimed in claim 2, it is characterised in that:It is made of following raw material:Nine water metasilicic acids Sodium 45g/L, 95%-98% concentrated sulfuric acid 5mL/L, 30% hydrogen peroxide 10mL/L, 65%-68% concentrated nitric acid 2mL/L, five water cerous nitrates 8g/L, remaining is distilled water, overall solution volume 1L, the pH=1.4 of passivating solution.
4. such as a kind of preparation method of zinc-plated silicate passivation solution of claim 1-3 any one of them, it is characterised in that:Including Following steps:
(1) at room temperature, by non-hydrate sodium metasilicate high speed Universal pulverizer, 20000 revs/min -25000 revs/min, 3-6 points are crushed Zhong Houcheng is powdered, and the non-hydrate sodium metasilicate powder after crushing is taken to be dissolved in a certain amount of distilled water, and it is made fully to dissolve;
(2) concentrated sulfuric acid, hydrogen peroxide and concentrated nitric acid are added in into step (1) successively, is stirred evenly;
(3) pH value of 3%-5% salpeter solutions adjusting solution is configured to the concentrated nitric acid of 65%-68%;
(4) cerous nitrate is added in and stirs in step (3) and fully dissolve, silicate passivation solution is made.
CN201711363779.3A 2017-12-18 2017-12-18 A kind of zinc-plated silicate passivation solution and preparation method thereof Withdrawn CN108103487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711363779.3A CN108103487A (en) 2017-12-18 2017-12-18 A kind of zinc-plated silicate passivation solution and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711363779.3A CN108103487A (en) 2017-12-18 2017-12-18 A kind of zinc-plated silicate passivation solution and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108103487A true CN108103487A (en) 2018-06-01

Family

ID=62209974

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711363779.3A Withdrawn CN108103487A (en) 2017-12-18 2017-12-18 A kind of zinc-plated silicate passivation solution and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108103487A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983317A (en) * 2019-12-17 2020-04-10 昆明理工大学 Electrogalvanizing silicate molybdate composite type colorful passivation solution and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050527A (en) * 2007-05-22 2007-10-10 昆明理工大学 Technique for preparing clean purification liquid of silicate
CN101054665A (en) * 2007-05-22 2007-10-17 昆明理工大学 Electrolytic zinc plating and zinc-iron alloy silicate cleaning deactivation liquid
CN101525748A (en) * 2009-04-17 2009-09-09 昆明理工大学 Clean rare-earth salt passive film
CN101525747A (en) * 2009-04-17 2009-09-09 昆明理工大学 Clean rare-earth salt passivation solution
CN103695891A (en) * 2013-12-12 2014-04-02 江苏克罗德科技有限公司 Environment-friendly hot-dipped galvanized steel plate and production method for same
CN104561969A (en) * 2014-12-23 2015-04-29 昆明理工大学 Inorganic composite passivation solution and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050527A (en) * 2007-05-22 2007-10-10 昆明理工大学 Technique for preparing clean purification liquid of silicate
CN101054665A (en) * 2007-05-22 2007-10-17 昆明理工大学 Electrolytic zinc plating and zinc-iron alloy silicate cleaning deactivation liquid
CN101525748A (en) * 2009-04-17 2009-09-09 昆明理工大学 Clean rare-earth salt passive film
CN101525747A (en) * 2009-04-17 2009-09-09 昆明理工大学 Clean rare-earth salt passivation solution
CN103695891A (en) * 2013-12-12 2014-04-02 江苏克罗德科技有限公司 Environment-friendly hot-dipped galvanized steel plate and production method for same
CN104561969A (en) * 2014-12-23 2015-04-29 昆明理工大学 Inorganic composite passivation solution and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983317A (en) * 2019-12-17 2020-04-10 昆明理工大学 Electrogalvanizing silicate molybdate composite type colorful passivation solution and preparation method thereof

Similar Documents

Publication Publication Date Title
CN106381496A (en) Neutral rust removal and prevention agent, preparation method and implementation process
CN103046036A (en) Metal derusting and antirusting agent and preparation method of metal derusting and antirusting agent
CN105713487B (en) Water corrosion-resistant epoxy paint and preparation method thereof
CN106757280B (en) A kind of low temperature On-line electrolytic dissolution phosphating solution
CN101041606A (en) Loss control method for low cost environment-friendly type nitrogenous fertilizer and loss control fertilizer
CN103215578B (en) Metal passivant prepared from diosorea cirrhosa residue extracting liquid
CN107604371A (en) A kind of neutral rust remover and preparation method thereof
CN102993943A (en) Modified silanized metal surface pre-treating agent containing octylphenol polyoxyethylene ether and preparation method thereof
CN108103487A (en) A kind of zinc-plated silicate passivation solution and preparation method thereof
CN109402620A (en) Aluminum alloy surface Chrome-free is anti-corrosion chemical composition coating film forming solution and film layer preparation method
CN109796848A (en) A kind of water corrosion-resistant epoxy paint and preparation method thereof
CN107880664A (en) Environmentally friendly low-carbon rotation rust coating and preparation method thereof
CN104451634B (en) Aluminum and aluminum alloy passivation solution, preparation method and using method thereof
CN104894548B (en) Die casting aluminium ball blast part chrome-free tanning agent, preparation method and its application method
CN108998784B (en) Treatment agent and method for quickly generating rust layer on surface of weathering resistant steel without chloride ions
CN105063596A (en) Treating fluid for chromate-free passivation of aluminum profiles before coating and preparation method thereof
CN105297041B (en) A kind of efficiently quick derusting antirust solution and preparation method thereof
CN101200799B (en) Medium-low temperature high corrosion resistant black phosphating solution on steel surface
CN103849864B (en) A kind of galvanized chromium-free color passivation solution, preparation and using method
CN103695943A (en) Application method of metal surface treatment agent for forming protective film
CN107794523B (en) Rapid corrosion method for weather-resistant steel plate
CN101654580A (en) Rust resistance coating
CN101492818A (en) Rust preventive for parkerizing treatment and method of use thereof
CN107058991B (en) A kind of aluminium alloy non-chromium passivator and preparation method thereof
CN103103514A (en) Spraying type iron phosphating comprehensive treatment agent prior to coating of spheroidal graphite casting and preparation method of treatment agent

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20180601

WW01 Invention patent application withdrawn after publication