CN101139497A - Anticorrosive paint capable of welding with paint film - Google Patents
Anticorrosive paint capable of welding with paint film Download PDFInfo
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- CN101139497A CN101139497A CNA2007100304740A CN200710030474A CN101139497A CN 101139497 A CN101139497 A CN 101139497A CN A2007100304740 A CNA2007100304740 A CN A2007100304740A CN 200710030474 A CN200710030474 A CN 200710030474A CN 101139497 A CN101139497 A CN 101139497A
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Abstract
The invention discloses an anti-corrosion coating weldable with coating film, which comprises a component A and B by weight ratio 5 swung dash 8:1, wherein, the component A comprises the following components by weight: phenolic aldehyde resin 3-8%, epoxy resin 5-18%, ammonia-resin 2-10%, flatting agent 0.1-0.5%, dispersing agent 0.5-1.5%, inorganic colorant 5-10%, anti-rust colorant 5-15%, anti-settlement agent 0.5-1.5%, and solvent 55-70%; the component B comprises the following components by weight: phosphoric acid 9-18%, and alcohol 82-91%. The coating is featured by rapid drying, easy coating and low toxicity; the cured paint film is furnished with good mechanical properties and protection capability, is well adhered with the topping coating, can be welded and the weld seam is narrow. The invention solves such problems as difficult to weld metal substrate with anti-rust primary coating, paint burning at welding hence too wide paint seam at the welded place, and has improved obviously the productivity and protection capability on steel.
Description
Technical field
The present invention relates to a kind of chemistry painting industry, relate in particular to a kind of anticorrosive coating that is applied to the paint film the be with welding of multiple coated metals such as iron, galvanized sheet.
Background technology
Because of large-scale hardware after welding because its volume former thereby can't finish Coating Pretreatment preferably, as oil removing, rust cleaning etc.Carry out before sheet metal being carried out Coating Pretreatment so be preferably in welding, because of Coating Pretreatment does not have antiseptic power, so also need application one coating to play a protective role.
This needs coating that certain etch-proof ability is arranged, and can carry out electric welding, easily application, and fast doing has recoatability, other decorative coating of application in the above." can carry out electric welding " is exactly to require the coating of metallic surface nonflammable, and the welding slit is narrow.
Summary of the invention
The purpose of this invention is to provide a kind of anticorrosive coating with the paint film welding; can be applicable to multiple metal materials such as iron, galvanized sheet is the priming paint of corrosion-resisting function at the welding previous crops; it have fast do, easily application, low toxicity, can weld, have preferably protective, with characteristics such as the investment precoat bonding force is good; easily produce when having solved metal substrate welding difficulty that anticorrosive ground coat is arranged and welding and burn lacquer and cause weld lacquer seam problems of too, can significantly improve production efficiency and the provide protection of steel.
A kind of anticorrosive coating provided by the invention with paint film welding, it is made of the mixing by weight 5～8: 1 of first component and second component, wherein,
The component by following weight percent content of first component is formed:
Resol 3-8%
Resins, epoxy 5-18%
Aminoresin 2-10%
Flow agent 0.1-0.5%
Dispersion agent 0.5-1.5%
Mineral dye 5-10%
Rust-stabilising pigment 5-15%
Anti-settling agent 0.5～1.5%
Solvent 55-70%.
The component by following weight percent content of second component is formed:
Phosphatase 79～18%
Alcohol 82～91%
Use phosphoric acid does catalyst in the second component, promote aminoresin and Resins, epoxy to produce crosslinking reaction, not only reduced temperature of reaction but also reduced organic content in the paint film, welding makes it to be more convenient for.
Resol of the present invention is meant linear solids resol, can improve the paint film chemical resistant properties with epoxy reaction, and plays certain fire retardation, as the corresponding product of companies such as Guangzhou fine chemistry industry company, Xinhua Resin Factory, Shanghai.
Resins, epoxy of the present invention is meant bisphenol A type epoxy resin, works to provide the paint film mechanical property, as the epoxy E44 of Yueyang general petrochemicals factory, the E44 of blue star chemical company etc.
Aminoresin of the present invention is meant the aminoresin of butanol etherification, as the 582-2 of Xinhua Resin Factory, Shanghai, and the 582-2 of Jiangsu three wooden companies etc.
Flow agent of the present invention is meant esters of acrylic acid flow agent or organosilicon flow agent, as: BYK358, BYK331, BYK310, BYK355, EFKA3777 or their mixture.
Dispersion agent of the present invention is meant the polycarboxylic acid polymers soln, as: BYK104S, BYK110, BYK180 or their mixture etc.
Mineral dye of the present invention is an iron oxide red pigment.
Rust-stabilising pigment of the present invention is one or more the mixture in the pigment such as zinc phosphate, aluminium triphosphate, promptly uses the pigment of heavy metals such as not leaded, chromium, cadmium, mercury.
Anti-settling agent of the present invention is an aerosil, as the R972 of the H15 of German Wa Ke company, Switzerland's Cabot and A200 etc.
Solvent of the present invention is meant one or more the mixture in alcohol, butanols, the dimethylbenzene.
The preparation method of the anticorrosive coating that the above-mentioned paint film be with that is used for multiple coated metals such as iron, galvanized sheet of the present invention welds is:
The preparation method of first component:
(1) resol is dissolved into 30% solution for later use with partial solvent in reactor;
(2) add dissolving good phenol resin solution, Resins, epoxy, dispersion agent, pigment, quantitative solvent while stirring in reactor or stirred pot, high-speed stirring half an hour is to being uniformly dispersed;
(3) above finely dispersed mixing liquid is ground to below the 25 μ m with sand mill, with 140 purpose strainer filterings in stirred pot;
(4) add flow agent and remaining solvent again, high-speed stirring filtered and packaged with 200 orders after 30 minutes.
The preparation method of component B: add phosphoric acid in the stirred pot of alcohol is housed, middling speed stirs and gets final product, and the consumption of alcohol and phosphoric acid is an above-mentioned weight percent consumption separately in the second component.
The present invention has the following advantages with comparing of prior art:
(1) anticorrosive coating that is used for the paint film the be with welding of multiple coated metals such as iron, galvanized sheet of the present invention is two components, and the first component is a homogeneous phase glue of all kinds, and solid content is 25-35%, and room temperature lucifuge period of storage can reach 1 year; Component B is a colourless transparent liquid, and first and second components ratio is 5～8: 1, can solidify in 15～30 minutes down or do certainly at 80 ℃～90 ℃, and the paint film after the curing has preferable toughness, hardness, erosion resistance and characteristics such as nonflammable.
(2) owing to alcoholic solvents such as alcohol in product occupy more than 75% of machine volatile matter total amount, belong to low-toxicity solvent coating.
(3) have fast do, the characteristics of easily application, low toxicity; paint film after the curing have preferably mechanical property and protective, good with the investment precoat bonding force, can weld, characteristics such as weld seam is narrow; easily produce when having solved metal substrate welding difficulty that anticorrosive ground coat is arranged and welding and burn lacquer and cause weld lacquer seam problems of too, significantly improved production efficiency and the provide protection of steel.
Embodiment
Following examples only are used to set forth the present invention, and protection scope of the present invention is not only to be confined to following examples.The those of ordinary skill of described technical field all can be realized purpose of the present invention according to above content disclosed by the invention.
Table 1:
| The first component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Resol | 4.0wt％ | 5.0wt％ | 3.5wt％ | 4.0wt％ |
| Resins, epoxy | 10.5wt％ | 12.0wt％ | 9.0wt％ | 12.0wt％ |
| Aminoresin | 4.0wt％ | 4.5wt％ | 3.0wt％ | 4.0wt％ |
| Flow agent | 0.3wt％ | 0.1wt％ | 0.5wt％ | 0.1wt％ |
| Dispersion agent | 1.0wt％ | 0.5wt％ | 1.0wt％ | 0.5wt％ |
| Mineral dye | 6.5wt％ | 7.5wt％ | 6.0wt％ | 7.0wt％ |
| Rust-stabilising pigment | 6.5wt％ | 8.0wt％ | 6.0wt％ | 7.0wt％ |
| Anti-settling agent | 1.0wt％ | 1.2wt％ | 1.0wt％ | 1.0wt％ |
| Solvent | 66.2wt％ | 61.2wt％ | 70wt％ | 64.4wt％ |
Table 2:
| The second component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Phosphoric acid | 9wt％ | 18wt％ | 10wt％ | 15wt％ |
| Alcohol | 91wt％ | 82wt％ | 90wt％ | 85wt％ |
Above first component and second component constitute the anticorrosive coating with the paint film welding provided by the present invention by weight 5～8: 1 mixing.
Described resol can adopt linear solids resol.
Described Resins, epoxy can adopt bisphenol A type epoxy resin, as the epoxy E44 of Yueyang general petrochemicals factory, the E44 of blue star chemical company etc.
Described aminoresin can adopt the aminoresin of butanol etherification, as the 582-2 of Xinhua Resin Factory, Shanghai, and the 582-2 of Jiangsu three wooden companies etc.
Described flow agent can adopt BYK358, BYK331, BYK310, BYK355, EFKA3777 or their mixture.
Described dispersion agent can adopt BYK104S, BYK110, BYK180 or their mixture.
Described mineral dye can adopt iron oxide red pigment.
Described rust-stabilising pigment can adopt one or more the mixture in the pigment such as zinc phosphate, aluminium triphosphate, promptly uses the pigment of heavy metals such as not leaded, chromium, cadmium, mercury.
Described anti-settling agent can adopt aerosil, as the R972 of the H15 of German Wa Ke company, Switzerland's Cabot and A200 etc.
Described solvent can adopt one or more the mixture in alcohol, butanols, the dimethylbenzene.
The preparation method:
The preparation of first component:
(1) resol is dissolved into 30% solution for later use with partial solvent in reactor;
(2) add dissolving good phenol resin solution, Resins, epoxy, dispersion agent, pigment, quantitative solvent while stirring in reactor or stirred pot, high-speed stirring half an hour is to being uniformly dispersed
(3) above finely dispersed mixing liquid is ground to below the 25 μ m with sand mill, with 140 purpose strainer filterings in stirred pot;
(4) add flow agent and remaining solvent again, high-speed stirring filtered and packaged with 200 orders after 30 minutes.
The preparation of component B: add phosphoric acid in the stirred pot of alcohol is housed, middling speed stirs and gets final product, and the consumption of alcohol and phosphoric acid is the weight percent consumption in the table 2.
The test example:
The first component of the coating of the foregoing description one～four is mixed by weight 7: 1 with the second component, and with being sprayed on the pretreated iron plate after the diluent dilution, got final product surface drying in 20 minutes, 80 ℃～90 ℃ down bakings 15～30 minutes or do certainly and get final product completion of cure after 48 hours.Described diluent is composed of the following components: (weight part)
50 parts of dimethylbenzene
20 parts in butanols
30 parts of alcohol
The iron plate that test has sprayed coating provided by the invention solidifies the following table of back effect:
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Testing method |
| Hardness | H | H | HB | HB | GB/T6739-96 |
| Shock strength (kgcm) | 50 | 50 | 50 | 50 | GB/T1732-93 |
| Sticking power (level) | 1 | 1 | 1 | 1 | GB1720 |
| Snappiness | 1mm | 1mm | 1mm | 1mm | GB/T1731 |
| Anti-5% salt solution (48h) | No abnormal | No abnormal | No abnormal | No abnormal | / |
| Petrol-resistance (soaking 48 hours) | No abnormal | No abnormal | No abnormal | No abnormal | / |
| First and second components mix the back usage period | 72h | 72h | 72h | 72h | / |
| Band paint film welded seam width increasing amount | ≤3mm | ≤3mm | ≤3mm | ≤3mm | / |
Claims (9)
- One kind can be with the anticorrosive coating of paint film welding, it is characterized in that it is made of the mixing by weight 5～8: 1 of first component and second component, wherein,The component by following weight percent content of first component is formed:Resol 3-8%Resins, epoxy 5-18%Aminoresin 2-10%Flow agent 0.1-0.5%Dispersion agent 0.5-1.5%Mineral dye 5-10%Rust-stabilising pigment 5-15%Anti-settling agent 0.5-1.5%Solvent 55-70%;The component by following weight percent content of second component is formed:Phosphatase 79～18%Alcohol 82～91%.
- 2. anticorrosive coating according to claim 1 is characterized in that described resol adopts linear solids resol.
- 3. anticorrosive coating according to claim 1 is characterized in that described Resins, epoxy adopts bisphenol A type epoxy resin E44.
- 4. anticorrosive coating according to claim 1 is characterized in that described aminoresin adopts the aminoresin of butanol etherification.
- 5. anticorrosive coating according to claim 1 is characterized in that described rust-stabilising pigment adopts zinc phosphate, aluminium triphosphate or their mixture.
- 6. anticorrosive coating according to claim 1, the described flow agent of its feature is meant esters of acrylic acid flow agent or organosilicon flow agent.
- 7. anticorrosive coating according to claim 1 is characterized in that described dispersion agent is meant the polycarboxylic acid polymers soln.
- 8. anticorrosive coating according to claim 1 is characterized in that described anti-settling agent is an aerosil.
- 9. anticorrosive coating according to claim 1 is characterized in that described solvent is one or more the mixture in alcohol, butanols, the dimethylbenzene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710030474A CN100584909C (en) | 2007-09-24 | 2007-09-24 | Anticorrosive paint capable of welding with paint film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710030474A CN100584909C (en) | 2007-09-24 | 2007-09-24 | Anticorrosive paint capable of welding with paint film |
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| Publication Number | Publication Date |
|---|---|
| CN101139497A true CN101139497A (en) | 2008-03-12 |
| CN100584909C CN100584909C (en) | 2010-01-27 |
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| CN200710030474A Expired - Fee Related CN100584909C (en) | 2007-09-24 | 2007-09-24 | Anticorrosive paint capable of welding with paint film |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219438A (en) * | 2011-03-21 | 2011-10-19 | 山西省交通科学研究院 | Flame-retardant double-component adhesive used for color antiskid pavement layer of tunnel |
| CN102719172A (en) * | 2012-05-22 | 2012-10-10 | 北京红狮漆业有限公司 | Metal anti-corrosive primer, preparation method, application and application method thereof |
| CN103232784A (en) * | 2013-03-29 | 2013-08-07 | 王德全 | Anticorrosive phenolic resin coating and preparation method thereof |
| CN103273700A (en) * | 2013-06-21 | 2013-09-04 | 镇江市万源电子有限公司 | Superstrong anticorrosion aluminium foil coiled material |
| CN103436141A (en) * | 2013-08-23 | 2013-12-11 | 苏州长盛机电有限公司 | Metal anticorrosive paint |
| CN103509388A (en) * | 2013-09-10 | 2014-01-15 | 马鞍山市金韩涂料制造有限公司 | Epoxy resin anti-rust paint for transformer shell and preparation method thereof |
| CN103525253A (en) * | 2013-09-28 | 2014-01-22 | 芜湖中集瑞江汽车有限公司 | Long-acting antirust coating and preparation method thereof |
| CN103602208A (en) * | 2013-10-10 | 2014-02-26 | 安徽真信涂料有限公司 | High-temperature-resistant flame-retardant rust-resisting paint and preparation method thereof |
| CN103788810A (en) * | 2014-01-26 | 2014-05-14 | 南通苏通分离工程科技有限公司 | High temperature resistant anticorrosive paint and preparation process thereof |
| CN104059511A (en) * | 2013-03-18 | 2014-09-24 | 福建省腾龙工业公司 | Quick-drying primer-topcoat two-in-one steel member paint and preparation method thereof |
| CN106833282A (en) * | 2017-03-01 | 2017-06-13 | 孙子阳 | A kind of japanning and its spraying coating process for Rail Surface antirust |
| CN107384142A (en) * | 2017-08-25 | 2017-11-24 | 山东海思蓝高分子材料有限公司 | A kind of new weld seam coating and preparation method thereof and application method |
| CN111408857A (en) * | 2019-12-25 | 2020-07-14 | 丽水市正阳电力设计院有限公司 | Treatment method for weather-resistant steel welding seam |
-
2007
- 2007-09-24 CN CN200710030474A patent/CN100584909C/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219438B (en) * | 2011-03-21 | 2012-12-05 | 山西省交通科学研究院 | Flame-retardant double-component adhesive used for color antiskid pavement layer of tunnel |
| CN102219438A (en) * | 2011-03-21 | 2011-10-19 | 山西省交通科学研究院 | Flame-retardant double-component adhesive used for color antiskid pavement layer of tunnel |
| CN102719172B (en) * | 2012-05-22 | 2014-09-03 | 北京红狮漆业有限公司 | Metal anti-corrosive primer, preparation method, application and application method thereof |
| CN102719172A (en) * | 2012-05-22 | 2012-10-10 | 北京红狮漆业有限公司 | Metal anti-corrosive primer, preparation method, application and application method thereof |
| CN104059511B (en) * | 2013-03-18 | 2016-05-18 | 福建省腾龙工业公司 | A kind of quick-dry type bottom surface unification steel structure paint and preparation method thereof |
| CN104059511A (en) * | 2013-03-18 | 2014-09-24 | 福建省腾龙工业公司 | Quick-drying primer-topcoat two-in-one steel member paint and preparation method thereof |
| CN103232784A (en) * | 2013-03-29 | 2013-08-07 | 王德全 | Anticorrosive phenolic resin coating and preparation method thereof |
| CN103232784B (en) * | 2013-03-29 | 2015-12-23 | 王德全 | A kind of resol protective system and preparation method thereof |
| CN103273700A (en) * | 2013-06-21 | 2013-09-04 | 镇江市万源电子有限公司 | Superstrong anticorrosion aluminium foil coiled material |
| CN103273700B (en) * | 2013-06-21 | 2015-07-08 | 镇江市万源电子有限公司 | Anticorrosion aluminium foil coiled material |
| CN103436141A (en) * | 2013-08-23 | 2013-12-11 | 苏州长盛机电有限公司 | Metal anticorrosive paint |
| CN103436141B (en) * | 2013-08-23 | 2016-04-20 | 苏州长盛机电有限公司 | A kind of anticorrosive metal paint |
| CN103509388A (en) * | 2013-09-10 | 2014-01-15 | 马鞍山市金韩涂料制造有限公司 | Epoxy resin anti-rust paint for transformer shell and preparation method thereof |
| CN103525253A (en) * | 2013-09-28 | 2014-01-22 | 芜湖中集瑞江汽车有限公司 | Long-acting antirust coating and preparation method thereof |
| CN103602208A (en) * | 2013-10-10 | 2014-02-26 | 安徽真信涂料有限公司 | High-temperature-resistant flame-retardant rust-resisting paint and preparation method thereof |
| CN103602208B (en) * | 2013-10-10 | 2016-01-20 | 安徽真信涂料有限公司 | A kind of high-temperature-resistant flame-retardant anti-rust paint and preparation method thereof |
| CN103788810A (en) * | 2014-01-26 | 2014-05-14 | 南通苏通分离工程科技有限公司 | High temperature resistant anticorrosive paint and preparation process thereof |
| CN106833282A (en) * | 2017-03-01 | 2017-06-13 | 孙子阳 | A kind of japanning and its spraying coating process for Rail Surface antirust |
| CN107384142A (en) * | 2017-08-25 | 2017-11-24 | 山东海思蓝高分子材料有限公司 | A kind of new weld seam coating and preparation method thereof and application method |
| CN111408857A (en) * | 2019-12-25 | 2020-07-14 | 丽水市正阳电力设计院有限公司 | Treatment method for weather-resistant steel welding seam |
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|---|---|
| CN100584909C (en) | 2010-01-27 |
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