CN107400883A - Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet application - Google Patents
Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet application Download PDFInfo
- Publication number
- CN107400883A CN107400883A CN201710657481.7A CN201710657481A CN107400883A CN 107400883 A CN107400883 A CN 107400883A CN 201710657481 A CN201710657481 A CN 201710657481A CN 107400883 A CN107400883 A CN 107400883A
- Authority
- CN
- China
- Prior art keywords
- silane
- treating agent
- galvanized sheet
- zirconium
- composite treating
- 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.)
- Granted
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
- C23C22/34—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
-
- 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
- C23C22/68—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 solutions with pH between 6 and 8
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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
The invention discloses silane/zirconium composite treating agent before a kind of galvanized sheet application and preparation method thereof, the composite treating agent is mainly made up of silane, zirconium fluoro complex, zirconate, cerium salt, alcohol and deionized water etc., the composite treating agent is prepared using the method for chemical compounding, and manufactured composite treating agent can be applied to the surface treatment of the chemical conversion before galvanized sheet application.The composite treating agent has the environmentally friendly feature of without phosphorus Chrome-free, can normal temperature processing galvanized sheet, without heating and energy saving energy consumption, the advantages that silane complex film layer of acquisition is fine and close, and anti-corrosion barrier propterty is good, alternative phosphorization treatment process technology excellent with organic coating binding ability.
Description
Technical field
The present invention relates to the technical field of surface before galvanized sheet application, silane before particularly a kind of galvanized sheet application/
Zirconium composite treating agent and preparation method thereof.
Technical background
Galvanized sheet is to prevent surface of steel plate from being corroded, and extends its service life, and one layer of gold is coated with surface of steel plate plating
Belong to zinc, the sheet metal of this plating zinc coating is referred to as galvanized sheet, in order to prevent corrosion feelings occurring using its surface in, storage and transport process
Condition, zinc-plated plate surface need to be passivated processing, and traditional chromating can be freely from passivating film due to water soluble hexavalent chromium
Passivation again is played in middle dissolution, ensure that the self-reparing capability of passivating film, makes it have superior corrosion resistance, can be due to six
The extremely strong carcinogenicity of valency chromium and environmental hazard, its use are more and more severely limited.Develop non-chromium inactivating technique technology
Have been to be concerned by more and more people.Although having various chromium-free deactivation technologies at present, but chromium-free deactivation technology still suffers from many defects,
Or (no self-repair function) corrosion resistance is poor, or handling process applicability is limited (being mostly spray process), or with high costs is difficult to reach
To application requirement.
The content of the invention
For above technical problem, it is an object of the invention to provide silane/zirconium Combined Processing before a kind of galvanized sheet application
Agent and preparation method thereof.Silane and inorganic zirconium, organic zirconium is carried out collaboration conversion film forming in zinc-plated plate surface, formed strong cross-linking,
High performance composite membrane, and by the cerium modified composite membrane of rare earth, make film layer that there are self-healing properties, improve naked film corrosion resistance.This
Inventive technique scheme is specific as follows：
The present invention discloses a kind of preparation method of silane/zirconium composite treating agent before galvanized sheet application first, described zinc-plated
The mass percent of the constitutive material each component of silane/zirconium composite treating agent is before plate application：
The preparation method of silane/zirconium composite treating agent comprises the following steps before described galvanized sheet application：
(1) toward the 80-90% of water inventory needed for addition in reactor, open reactor and be stirred；
(2) toward addition zirconium fluoro complex in reactor, stirring is thoroughly mixed it；
(3) it is made thoroughly to dissolve toward the mixture for being slowly added to silane and alcohol in reactor, stirring；
(4) toward the mixture that zirconate and alcohol are slowly added in reactor, stirring is thoroughly mixed it；
(5) stop stirring, stood more than 24 hours until molten after the suspension, particulate matter in circulating filtration removing reactor
Liquid clear stable；
(6) toward addition cerium salt in reactor, stirring is thoroughly mixed it；
(7) excess water is finally supplied, stirring makes it produce composite treating agent after being thoroughly mixed.
Preferably, described silane monomer formula is expressed as：
R(4-n)-Si-(OR’)n, wherein n=1,2,3；
The group that R is represented is hydrogen, alkyl, amino, epoxy radicals, vinyl, urea groups or isocyanate group；The group that OR ' is represented
For methoxyl group, ethyoxyl or acetoxyl group；
Described silane is the one or more in monomer or its oligomer, and the degree of polymerization of the oligomer is 2-20.
Preferably, one or more of the described zirconium fluoro complex in fluorine zirconic acid and its salt.
Preferably, described zirconate is selected from double (lemon diethyl phthalate) dipropoxy zirconium chelate, zirconates lactates
One or more in chelate, triethanolamine zirconium chelate, triethanolamine polyalcohol zirconium chelate, acetylacetone,2,4-pentanedione zirconium.
Preferably, described cerium salt in ceric nitrate, cerous nitrate, ammonium ceric nitrate, ceric sulfate, cerous acetate one
Kind is a variety of.
Preferably, one or more of the described alcohol in ethanol, isopropanol, propane diols, glycerine.
Preferably, the alcohol that described step (3) is added accounts for the 60-80% of alcohol total amount；What described step (4) was added
Alcohol is the alcohol of step (3) surplus afterwards.
Silane/zirconium composite treating agent before the galvanized sheet application being prepared the invention also discloses a kind of above method.
Compared with existing galvanized sheet Coating Pretreatment technology, silane/zirconium composite treating agent and preparation side before galvanized sheet application
Method has following advantage：(1) without phosphorus Chrome-free unharmful substance, environmental protection are reliable；(2) normal-temperature operation, without heating, energy is saved
Source；(3) processing mode compatibility is strong, is applicable spray or impregnation technology；(4) before the galvanized sheet application that preparation method of the present invention obtains
Silane/zirconium composite treating agent superior performance, the composite film densification corrosion resistance of acquisition is good, is combined with organic coating, coating is resistance to
Neutral salt spray test is excellent.
Embodiment
The invention discloses a kind of preparation method of silane/zirconium composite treating agent before galvanized sheet application, the galvanized sheet applies
The mass percent of the constitutive material each component of silane/zirconium composite treating agent is before dress：
The preparation method of silane/zirconium composite treating agent comprises the following steps before described galvanized sheet application：
(1) toward the 80-90% of water inventory needed for addition in reactor, open reactor and be stirred；
(2) toward addition zirconium fluoro complex in reactor, stirring is thoroughly mixed it；
(3) it is made thoroughly to dissolve toward the mixture for being slowly added to silane and alcohol in reactor, stirring；
(4) toward the mixture that zirconate and alcohol are slowly added in reactor, stirring is thoroughly mixed it；
(5) stop stirring, stood more than 24 hours until molten after the suspension, particulate matter in circulating filtration removing reactor
Liquid clear stable；
(6) toward addition cerium salt in reactor, stirring is thoroughly mixed it；
(7) excess water is finally supplied, stirring makes it produce composite treating agent after being thoroughly mixed.
Preferably, described silane monomer formula is expressed as：
R(4-n)-Si-(OR’)n, wherein n=1,2,3；
The group that R is represented is hydrogen, alkyl, amino, epoxy radicals, vinyl, urea groups or isocyanate group；The group that OR ' is represented
For methoxyl group, ethyoxyl or acetoxyl group；
Described silane is the one or more in monomer or its oligomer, and the degree of polymerization of the oligomer is 2-20.
Preferably, one or more of the described zirconium fluoro complex in fluorine zirconic acid and its salt.
Preferably, described zirconate is selected from double (lemon diethyl phthalate) dipropoxy zirconium chelate, zirconates lactates
One or more in chelate, triethanolamine zirconium chelate, triethanolamine polyalcohol zirconium chelate, acetylacetone,2,4-pentanedione zirconium.
Preferably, described cerium salt in ceric nitrate, cerous nitrate, ammonium ceric nitrate, ceric sulfate, cerous acetate one
Kind is a variety of.
Preferably, one or more of the described alcohol in ethanol, isopropanol, propane diols, glycerine.
Preferably, the alcohol that described step (3) is added accounts for the 60-80% of alcohol total amount；What described step (4) was added
Alcohol is the alcohol of step (3) surplus afterwards.
With reference to embodiment, the present invention will be further described.
Embodiment 1：
The mass percent of silane/zirconium composite treating agent constitutive material each component is before the galvanized sheet application of the present embodiment：
Preparation method comprises the following steps：
(1) toward 80% of water inventory needed for addition in reactor, open reactor and be stirred；
(2) toward addition fluorine zirconic acid in reactor, stirring is thoroughly mixed it；
(3) toward propyl trimethoxy silicane and isopropanol mixture (70% isopropanol) is slowly added in reactor, stir
It is set thoroughly to dissolve；
(4) toward being slowly added to double (lemon diethyl phthalate) dipropoxy zirconium chelates and isopropanol mixture in reactor
(30% isopropanol), stirring make it thoroughly dissolve；
(5) stop stirring, stood more than 24 hours until molten after the suspension, particulate matter in circulating filtration removing reactor
Liquid clear stable；
(6) toward addition cerous nitrate in reactor, stirring is thoroughly mixed it；
(7) excess water is finally supplied, stirring makes it produce composite treating agent after being thoroughly mixed.
Described composite treating agent is subjected to impregnation 5 minutes to galvanized sheet, epoxy powder spraying is carried out after drying, and
Carry out performance test.
Embodiment 2：
The mass percent of silane/zirconium composite treating agent constitutive material each component is before the galvanized sheet application of the present embodiment：
The preparation method of described galvanized sheet composite treating agent is the same as embodiment 1.
Described composite treating agent is subjected to spray process 2 minutes to galvanized sheet, water-based acrylic resin is sprayed after drying,
And carry out performance test.
Embodiment 3：
The mass percent of silane/zirconium composite treating agent constitutive material each component is before the galvanized sheet application of the present embodiment：
The preparation method of described galvanized sheet silane composite treating agent is the same as embodiment 1.
Described composite treating agent is subjected to spray process 1.5 minutes to galvanized sheet, cathode electro-coating is carried out after drying,
And carry out performance test.
Comparative example 1：
Cerous nitrate and the polynary alcohol zirconium chelating of triethanolamine will be removed in composite treating agent constitutive material described in embodiment 3
After thing, spray process is carried out 1.5 minutes to galvanized sheet, cathode electro-coating is carried out after drying, and carry out performance test.
Comparative example 2：
Certain ternary zinc series phosphating agent is subjected to spray process 1.5 minutes to galvanized sheet, paint spraying is carried out after drying,
And carry out performance test.
Composite membrane and its coating performance result of the test to zinc-plated plate surface show, every physics and chemistry of described composite membrane
Can all it be significantly improved, each Testing index is equivalent to the processing of even better than ternary Zinc phosphating.
Composite membrane and its coating performance result of the test to zinc-plated plate surface are shown in Table 1.
Table 1：The composite membrane and its coating performance result of the test of zinc-plated plate surface prepared by the present invention
* after soak test in coat side without peeling bubbling and phenomena such as corrosion；Roused after salt spray test in coat side without peeling
Unilateral corrosion diffusion breadth≤2mm along phenomena such as bubble and stroke fork is the maximum experiment hourage passed through.
Composite treating agent and its formed in zinc-plated plate surface prepared by embodiment and comparative example synthetic proof the technology of the present invention
Compound conversion film have good compactness decay resistance, with the organic coating number of being combined, properties are excellent, alternative phosphatization
Handling process technology, the large-scale production applied to galvanized sheet Coating Pretreatment.
Claims (8)
- A kind of 1. preparation method of silane/zirconium composite treating agent before galvanized sheet application, it is characterised in that：Before the galvanized sheet application The mass percent of the constitutive material each component of silane/zirconium composite treating agent is：The preparation method of silane/zirconium composite treating agent comprises the following steps before described galvanized sheet application：(1) toward the 80-90% of water inventory needed for addition in reactor, open reactor and be stirred；(2) toward addition zirconium fluoro complex in reactor, stirring is thoroughly mixed it；(3) it is made thoroughly to dissolve toward the mixture for being slowly added to silane and alcohol in reactor, stirring；(4) toward the mixture that zirconate and alcohol are slowly added in reactor, stirring is thoroughly mixed it；(5) stop stirring, stood more than 24 hours after the suspension, particulate matter in circulating filtration removing reactor until solution is clear It is clear stable；(6) toward addition cerium salt in reactor, stirring is thoroughly mixed it；(7) excess water is finally supplied, stirring makes it produce composite treating agent after being thoroughly mixed.
- 2. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described Silane monomer formula be expressed as：R(4-n)-Si-(OR’)n, wherein n=1,2,3；The group that R is represented is hydrogen, alkyl, amino, epoxy radicals, vinyl, urea groups or isocyanate group；The group that OR ' is represented is first Epoxide, ethyoxyl or acetoxyl group；Described silane is the one or more in monomer or its oligomer, and the degree of polymerization of the oligomer is 2-20.
- 3. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described One or more of the zirconium fluoro complex in fluorine zirconic acid and its salt.
- 4. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described Zirconate be selected from double (lemon diethyl phthalate) dipropoxy zirconium chelate, zirconates lactate chelate, triethanolamine zirconium chelas One or more in compound, triethanolamine polyalcohol zirconium chelate, acetylacetone,2,4-pentanedione zirconium.
- 5. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described One or more of the cerium salt in ceric nitrate, cerous nitrate, ammonium ceric nitrate, ceric sulfate, cerous acetate.
- 6. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described One or more of the alcohol in ethanol, isopropanol, propane diols, glycerine.
- 7. the preparation method of silane/zirconium composite treating agent before galvanized sheet application as claimed in claim 1, it is characterised in that described The step of (3) alcohol for being added account for the 60-80% of alcohol total amount；The alcohol that described step (4) is added is step (3) surplus afterwards Alcohol.
- 8. silane/zirconium composite treating agent before the galvanized sheet application that method is prepared a kind of as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657481.7A CN107400883B (en) | 2017-08-03 | 2017-08-03 | Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710657481.7A CN107400883B (en) | 2017-08-03 | 2017-08-03 | Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107400883A true CN107400883A (en) | 2017-11-28 |
| CN107400883B CN107400883B (en) | 2019-08-27 |
Family
ID=60402713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710657481.7A Active CN107400883B (en) | 2017-08-03 | 2017-08-03 | Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107400883B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680271A (en) * | 2018-12-29 | 2019-04-26 | 三一重机有限公司 | The method and hydraulic steel pipe of hydraulic steel pipe anti-corrosion treatment |
| CN111304641A (en) * | 2020-02-21 | 2020-06-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Hot-dip aluminum-zinc plate chromium-free passivation solution and preparation method of hot-dip aluminum-zinc fingerprint-resistant plate |
| CN115807224A (en) * | 2022-11-30 | 2023-03-17 | 湖北回天新材料股份有限公司 | Metal surface composite treating agent and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918248A (en) * | 2004-02-11 | 2007-02-21 | 达克莱公司 | Anticorrosion coating composition in aqueous dispersion comprising an organic titanate and/or zirconate |
| EP1887105A1 (en) * | 2006-08-08 | 2008-02-13 | The Boeing Company | Chromium-free conversion coating |
| CN103074621A (en) * | 2012-08-29 | 2013-05-01 | 华南理工大学 | Environmental-protection cold-rolled steel surface coating pretreatment agent and preparation method thereof |
| CN105149192A (en) * | 2015-09-12 | 2015-12-16 | 杭州萧山金润表面活性材料厂 | Metal surface coating process |
-
2017
- 2017-08-03 CN CN201710657481.7A patent/CN107400883B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918248A (en) * | 2004-02-11 | 2007-02-21 | 达克莱公司 | Anticorrosion coating composition in aqueous dispersion comprising an organic titanate and/or zirconate |
| EP1887105A1 (en) * | 2006-08-08 | 2008-02-13 | The Boeing Company | Chromium-free conversion coating |
| CN103074621A (en) * | 2012-08-29 | 2013-05-01 | 华南理工大学 | Environmental-protection cold-rolled steel surface coating pretreatment agent and preparation method thereof |
| CN105149192A (en) * | 2015-09-12 | 2015-12-16 | 杭州萧山金润表面活性材料厂 | Metal surface coating process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680271A (en) * | 2018-12-29 | 2019-04-26 | 三一重机有限公司 | The method and hydraulic steel pipe of hydraulic steel pipe anti-corrosion treatment |
| CN111304641A (en) * | 2020-02-21 | 2020-06-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Hot-dip aluminum-zinc plate chromium-free passivation solution and preparation method of hot-dip aluminum-zinc fingerprint-resistant plate |
| CN115807224A (en) * | 2022-11-30 | 2023-03-17 | 湖北回天新材料股份有限公司 | Metal surface composite treating agent and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107400883B (en) | 2019-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108300988A (en) | A kind of compound chrome-free tanning agent and preparation method of fast filming | |
| CN104120420B (en) | Chromium-free conversion coating | |
| KR100999328B1 (en) | Surface-treated steel sheet | |
| CN101613559A (en) | Hydrophilic nano zinc based composite coating | |
| CN101045843A (en) | Water industrial antirust paint and preparation method thereof | |
| CN105063598A (en) | Organic-inorganic residual heat blackening agent and preparation method thereof | |
| CN107400883B (en) | Silane/zirconium composite treating agent and preparation method thereof before galvanized sheet coating | |
| CN105779988A (en) | Chromate-free passivation solution for electroplated zinc and passivation technology thereof | |
| CN104988490A (en) | Pretreatment fluid for aluminum alloy and usage method of pretreatment fluid | |
| CN102534593A (en) | Resin/silane compounded passivation liquid for galvanized coil steel and preparation method of resin/silane compounded passivation liquid | |
| CN104342030A (en) | Antirust coating for steel plate and preparation method for antirust coating | |
| CN108796481A (en) | A kind of galvanizing chrome-free tanning agent | |
| CN101886259A (en) | Zinc coat environmental-friendly passivation solution and use method thereof | |
| CN108300302B (en) | Metal surface silane treating agent and preparation method thereof | |
| CN105542540A (en) | Al2O3 nano-particle enhanced chromium-free Dacromet anti-corrosion paint, coating, and reparation method of paint and coating | |
| CN110468398A (en) | A kind of phytic acid passivating solution and preparation and deactivating process for the treatment of | |
| CN104004448A (en) | Single-component cathodic electrophoretic coating for automotive primer | |
| CN103059721A (en) | Metal surface silicane treating agent containing polyethylene glycol and preparing method thereof | |
| CN103088327A (en) | Metal surface silane treatment agent containing water-soluble phenolic resin and preparation method thereof | |
| CN103209772A (en) | Process for depositing rinsable silsesquioxane films on metals | |
| CN103087627A (en) | Metal aluminum alloy silane surface treating agent and preparation method thereof | |
| CN108754468A (en) | Galvanizing chrome-free tanning agent | |
| CN106435547B (en) | A kind of environment-protective process replacing chromic acid passivation | |
| CN105017922A (en) | Aqueous zinc-rich flake cathode protection prime coat, preparation method and uses thereof | |
| CN109486315B (en) | Pretreatment primer and coil steel color coating method adopting same |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |