CN104789083A - Quick-drying zinc phosphate anti-corrosion primer based on epoxy resin and preparation method thereof - Google Patents
Quick-drying zinc phosphate anti-corrosion primer based on epoxy resin and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a quick-drying zinc phosphate anti-corrosion primer based on epoxy resin and a preparation method thereof. The quick-drying zinc phosphate anti-corrosion primer comprises a constituent A and a constituent B, wherein the constituent A and the constituent B are mixed according to a mass ratio of 5:1 to 10:1; the constituent A comprises the following constituents in parts by weight: 25 to 28 parts of epoxy resin, 5 to 8 parts of acrylic resin with the glass transition temperature being 125 DEG C, 1 to 3 parts of urea resin, 10 to 13 parts of zinc phosphate, 18 to 23 parts of talcum powder, 20 to 25 parts of precipitated barium sulphate, 1 to 2 parts of an anti-settling agent, 0.5 to 1 part of a defoaming agent, 0.3 to 1 part of wetting dispersant, and 18 to 25 parts of a first organic solvent; the constituent B comprises the following constituents in parts by weight: 10 to 15 parts of polyamide with the amine value being 400 to 500; 45 to 50 parts of cashew nut shell oil modified amine with the amine value being 250 to 290, 5 to 9 parts of epoxy resin, 0.5 to 1 part of an anti-settling agent, 0.3 to 1 part of a wetting dispersant, and 25 to 30 parts of a second organic solvent. The preparation method is simple, and the prepared quick-drying zinc phosphate anti-corrosion primer has good flexibility, adhesive force, salt spray resistance property and weather resistance.
Description
Technical field
The present invention relates to a kind of quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin and preparation method thereof, belong to technical field of paint preparation.
Background technology
At present, epoxy resin equal solvent type protective system is widely used in the anticorrosion of the industry hardwares such as bay, Ship Building and Repairing, ocean exploitation engineering, power station, bridge construction, petrochemical complex because it has good sticking power, chemical-resistant, water tolerance and physical and mechanical properties.Conventional common epoxy anticorrosion priming paint, ambient cure needs 5 ~ 7 days, and winter, curing speed was slow, impact construction, quick-drying zinc phosphate protection against corrosion priming paint of the present invention, relatively traditional zinc rich primer, rate of drying is exceedingly fast, and paint film is hard, low-temperature curable, base material treatment requires low simultaneously, can be used for single coating protection against corrosion, again can with other finish paints as chlorinated rubber, acroleic acid polyurethane supports the use, there is easy construction, the advantages such as non-corrosibility is good, applied widely.
Summary of the invention
The object of the invention is to solve that existing anti-corrosive paint of epoxy resin curing speed is comparatively slow and weathering resistance is poor, the shortcoming that use range is less, provide a kind of paint film intensity high, Corrosion Protection is good and have quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin of good low-temperature curing performance and preparation method thereof.
The present invention adopts following technical scheme: a kind of quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin, comprises first component and second component two kinds of components, during use, presses two components 5:1 ~ 10:1 mixing and stirring in mass ratio;
Moiety in described first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 25 ~ 28 parts of 875 ~ 1950, second-order transition temperature is the acrylic resin 5 ~ 8 parts of 125 DEG C, urea-formaldehyde resin 1 ~ 3 part, zinc phosphate 10 ~ 13 parts, talcum powder 18 ~ 23 parts, process white 20 ~ 25 parts, anti-settling agent 1 ~ 2 part, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the first organic solvent 18 ~ 25 parts;
Count by weight in moiety in described second component: amine value is the polymeric amide 10 ~ 15 parts of 400 ~ 500, amine value is the cashew nut oil modified amine 45 ~ 50 parts of 250 ~ 290, epoxy equivalent (weight) is the epoxy resin 5 ~ 9 parts of 190, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the second organic solvent 25 ~ 30 parts.
Further, described anti-settling agent is wilkinite, polyethylene wax or polyamide wax.
Further, described defoamer is silicone antifoam agent or polymer-type defoamer.
Further, described wetting dispersing agent to be relative molecular weight size be 600 ~ 1000 aliphatic amide.
Further, described first organic solvent is one or more in toluene, dimethylbenzene, acetone, Virahol or butanols;
Further, the second described organic solvent is one or more in toluene, Virahol or propylene glycol monomethyl ether.
Further, described cross linking of epoxy resin bridging agent is the affixture of polymeric amide and cashew nut oil modified amine.
Based on the preparation method of the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, comprise the steps:
A, take each composition in first component successively by weight: epoxy equivalent (weight) is the epoxy resin 25 ~ 28 parts of 875 ~ 1950, the acrylic resin that second-order transition temperature is 125 DEG C 5 ~ 8 parts, urea-formaldehyde resin 1 ~ 3 part, zinc phosphate 10 ~ 13 parts, talcum powder 18 ~ 23 parts, process white 20 ~ 25 parts, anti-settling agent 1 ~ 2 part, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the first organic solvent 18 ~ 25 parts;
B, epoxy resin and acrylic resin to be joined in the first organic solvent to dissolve and stir evenly, then in the first organic solvent, add urea-formaldehyde resin mixing stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stirs; Add zinc phosphate talcum powder and process white while stirring, the laggard sand mill that stirs is ground to fineness 10 ~ 40 microns, obtains quick-drying zinc phosphate protection against corrosion priming paint first component, for subsequent use;
C, take each composition in second component successively by weight: the polymeric amide of 10 ~ 15 part 400 ~ 500,45 ~ 50 parts of amine values are the cashew nut oil modified amine of 250 ~ 290,5 ~ 9 parts of epoxy equivalent (weight)s are the epoxy resin of 190,0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, 25 ~ 30 part of second organic solvent;
D, polymeric amide and cashew nut oil modified amine are dissolved in the second organic solvent respectively, stir, add epoxy resin while stirring, defoamer and wetting dispersing agent, after insert whizzer high speed dispersion 25 ~ 30min, centrifuge speed is set to 600-800 rev/min, leave standstill 20 ~ 24h, obtain quick-drying zinc phosphate protection against corrosion priming paint second component, for subsequent use;
The second component 5:1 mixing and stirring in mass ratio that e, the first component obtained by step b and steps d obtain, slaking 10 ~ 15min, obtains the quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin.
Preparation method of the present invention is simple, select the affixture of polymeric amide and cashew nut oil modified amine as cross linking of epoxy resin bridging agent in second component, improve speed and the physical and mechanical properties of solidifying priming paint, improve the sticking power in steel substrate simultaneously, the combination of the epoxy resin in first component and acrylic resin and urea-formaldehyde resin, the snappiness of coating can not only be improved, sticking power, salt spray resistance and weathering resistance can also be improved, effectively extend the work-ing life of iron and steel, quick-drying zinc phosphate protection against corrosion priming paint prepared by the present invention requires low to base material treatment, single coating protection against corrosion can be used for, again can with other finish paints as chlorinated rubber, acroleic acid polyurethane supports the use, there is easy construction, non-corrosibility is good, applied widely.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1:
A kind of quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin, comprise first component and second component two kinds, the moiety in first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 25 parts of 875 ~ 1950, and second-order transition temperature is the acrylic resin 5 parts of 125 DEG C, urea-formaldehyde resin 1 part, zinc phosphate 10 parts, talcum powder 18 parts, process white 20 parts, anti-settling agent 1 part, defoamer 0.5 part, wetting dispersing agent 0.3 part, the first organic solvent Virahol 18 parts;
Count by weight in moiety in second component: amine value is the polymeric amide 10 parts of 400 ~ 500, amine value is the cashew nut oil modified amine 45 parts of 250, and epoxy equivalent (weight) is the epoxy resin 5 parts of 190, defoamer 0.5 part, wetting dispersing agent 0.3 part, the second organic solvent propylene glycol monomethyl ether 25 parts.
Preparation method based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin comprises the steps:
A, take the epoxy resin 25kg that epoxy equivalent (weight) is 875 ~ 1950, the acrylic resin 5kg of second-order transition temperature 125 DEG C, urea-formaldehyde resin 1kg, zinc phosphate 10kg, talcum powder 18kg, process white 20kg, anti-settling agent 1kg, defoamer 0.5kg, wetting dispersing agent 0.3kg, the first organic solvent 18kg.
B, be that the epoxy resin of 875 ~ 1950 and the acrylic resin of second-order transition temperature 125 DEG C join in the first organic solvent to dissolve and stir evenly by epoxy equivalent (weight), in the first organic solvent, add urea-formaldehyde resin mixing again stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stir; Add zinc phosphate, talcum powder, process white while stirring, be ground to fineness 10 ~ 40 microns with the speed of the 1000 revs/min laggard sand mill that stirs, obtain quick-drying zinc phosphate protection against corrosion priming paint first component, for subsequent use.
C, take the polymeric amide of 10kg amine value 400 ~ 500,45kg amine value is the cashew nut oil modified amine of 250-290, and 5kg epoxy equivalent (weight) is the epoxy resin of 190,0.5kg defoamer, 0.3kg wetting dispersing agent, 25kg second organic solvent.
D, by the polymeric amide of amine value 400 ~ 500 and amine value be 250 ~ 290 cashew nut oil modified amine, be dissolved in the second organic solvent, stir, add epoxy resin, defoamer, wetting dispersing agent that epoxy equivalent (weight) is 190 while stirring, with the speed high speed dispersion half an hour of 1000 revs/min, leave standstill 24 hours, obtain quick-drying zinc phosphate protection against corrosion priming paint component B, for subsequent use.
The second component mixing and stirring that e, the first component obtained by step b and steps d obtain, slaking 10 minutes, obtains the quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin.
Embodiment 2:
Based on a quick-drying zinc phosphate protection against corrosion priming paint for epoxy resin, comprise first component and second component two kinds,
Moiety in first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 25 parts of 875 ~ 1950, second-order transition temperature is the acrylic resin 8 parts of 125 DEG C, urea-formaldehyde resin 1 part, zinc phosphate 10 parts, talcum powder 18 parts, process white 20 parts, anti-settling agent 1 part, defoamer 0.5 part, wetting dispersing agent 0.3 part, the first organic solvent toluene 18 parts;
Count by weight in moiety in second component: amine value is the polymeric amide 10 parts of 400 ~ 500, amine value is the cashew nut oil modified amine 45 parts of 250 ~ 290, and epoxy equivalent (weight) is the epoxy resin 5 parts of 190, defoamer 0.5 part, wetting dispersing agent 0.3 part, the second organic solvent Virahol 25 parts.
Preparation method based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin comprises the steps:
A, take the epoxy resin 25kg that epoxy equivalent (weight) is 875 ~ 1950, the acrylic resin 8kg of second-order transition temperature 125 DEG C, urea-formaldehyde resin 1kg, zinc phosphate 10kg, talcum powder 18kg, process white 20kg, anti-settling agent 1kg, defoamer 0.5kg, wetting dispersing agent 0.3kg, the first organic solvent 18kg.
B, be that the epoxy resin of 875 ~ 1950 and the acrylic resin of second-order transition temperature 125 DEG C join in the first organic solvent toluene to dissolve and stir evenly by epoxy equivalent (weight), in the first organic solvent toluene, add urea-formaldehyde resin mixing again stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stir; Add zinc phosphate, talcum powder, process white while stirring, be ground to fineness 10 ~ 40 microns with the speed of the 1000 revs/min laggard sand mill that stirs, obtain quick-drying zinc phosphate protection against corrosion priming paint first component, for subsequent use.
C, take the polymeric amide of 10kg amine value 400 ~ 500,45kg amine value is the cashew nut oil modified amine of 250-290, and 5kg epoxy equivalent (weight) is the epoxy resin of 190,0.5kg defoamer, 0.3kg wetting dispersing agent, 25kg second organic solvent Virahol.
D, be the cashew nut oil modified amine of 250-290 by the polymeric amide of amine value 400 ~ 500 and amine value, be dissolved in the second organic solvent, stir, add epoxy resin, defoamer, wetting dispersing agent that epoxy equivalent (weight) is 190 while stirring, with the speed high speed dispersion half an hour of 1000 revs/min, leave standstill 24 hours, obtain quick-drying zinc phosphate protection against corrosion priming paint component B, for subsequent use.
The second component mixing and stirring that e, the first component obtained by step b and steps d obtain, slaking 15 minutes, obtains the quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin.
Embodiment 3:
Based on a quick-drying zinc phosphate protection against corrosion priming paint for epoxy resin, comprise first component and second component two kinds of components, during use, by two component mixing and stirring;
Moiety in first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 28 parts of 875 ~ 1950, second-order transition temperature is the acrylic resin 8 parts of 125 DEG C, urea-formaldehyde resin 3 parts, zinc phosphate 13 parts, talcum powder 23 parts, process white 25 parts, anti-settling agent 2 parts, defoamer 1 part, wetting dispersing agent 0.3 part, the first organic solvent-acetone 25 parts;
Count by weight in moiety in second component: amine value is the polymeric amide 15 parts of 400 ~ 500, amine value is the cashew nut oil modified amine 50 parts of 250 ~ 290, and epoxy equivalent (weight) is the epoxy resin 9 parts of 190, defoamer 1 part, wetting dispersing agent 1 part, the second organic solvent propylene glycol monomethyl ether 30 parts.
Preparation method based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin comprises the steps:
A, take the epoxy resin 28kg that epoxy equivalent (weight) is 875 ~ 1950, the acrylic resin 8kg of second-order transition temperature 125 DEG C, urea-formaldehyde resin 3kg, zinc phosphate 13kg, talcum powder 23kg, process white 25kg, anti-settling agent 2kg, defoamer 1kg, wetting dispersing agent 0.3kg, the first organic solvent 15kg.
B, be that the epoxy resin of 875 ~ 1950 and the acrylic resin of second-order transition temperature 125 DEG C join in the first organic solvent to dissolve and stir evenly by epoxy equivalent (weight), in the first organic solvent-acetone, add urea-formaldehyde resin mixing again stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stir; Add zinc phosphate, talcum powder, process white while stirring, be ground to fineness 10 ~ 40 microns with the speed of the 1000 revs/min laggard sand mill that stirs, obtain quick-drying zinc phosphate protection against corrosion priming paint first component, for subsequent use.
C, take the polymeric amide of 15kg amine value 400 ~ 500,50kg amine value is the cashew nut oil modified amine of 250-290, and 9kg epoxy equivalent (weight) is the epoxy resin of 190,1kg defoamer, 1kg wetting dispersing agent, 30kg second organic solvent.
D, be the cashew nut oil modified amine of 250-290 by the polymeric amide of amine value 400 ~ 500 and amine value, be dissolved in the second organic solvent, stir, add epoxy resin, defoamer, wetting dispersing agent that epoxy equivalent (weight) is 190 while stirring, with the speed high speed dispersion half an hour of 1000 revs/min, leave standstill 24 hours, obtain quick-drying zinc phosphate protection against corrosion priming paint component B, for subsequent use.
The component B mixing and stirring that e, the first component obtained by step b and steps d obtain, slaking 15 minutes, obtains the quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin.
Embodiment 4:
Based on a common rich zinc protection against corrosion priming paint for epoxy resin, comprise first component and second component two kinds,
Moiety in first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 15 parts of 500 ~ 900, zinc powder 40 parts, talcum powder 14. parts, process white 100 parts, anti-settling agent 2 parts, defoamer 0.5 part, wetting dispersing agent 0.3 part, the first 18 parts, organic solvent butanols;
Count by weight in moiety in second component: amine value is the polymeric amide 50 parts of 400 ~ 500, the second organic solvent toluene 50 parts.
Preparation method based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin comprises the steps:
A: take the epoxy resin 15kg that epoxy equivalent (weight) is 500 ~ 900, zinc powder 40kg, talcum powder 14.kg, process white 100kg, anti-settling agent 2kg, defoamer 0.5kg, wetting dispersing agent 0.3kg, the first organic solvent butanols 18kg;
B, be that the epoxy resin of 500-900 joins in the first organic solvent toluene to dissolve and stirs evenly by epoxy equivalent (weight), then add wetting dispersing agent, anti-settling agent, defoamer stir; Add zinc powder, process white while stirring, after stirring with the speed of 1000 revs/min, high speed dispersion is to fineness 10 ~ 40 microns, obtains epoxy zinc-rich protection against corrosion priming paint first component, for subsequent use.
C, take the polymeric amide of 50kg amine value 400 ~ 500,50kg second organic solvent toluene.
D, the polymeric amide of amine value 400 ~ 500 is dissolved in the second organic solvent toluene, stirs, obtain epoxy zinc-rich protection against corrosion priming paint component B, for subsequent use.
The second component mixing and stirring mass ratio 10:1 that e, the first component obtained by step b and steps d obtain, slaking 15 minutes, obtains epoxy zinc-rich protection against corrosion priming paint.
The quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin prepared embodiment 1, embodiment 2, embodiment 3 and embodiment 4 carries out surface drying according to GB/T1728, GB/T5210, GB/T1732, GB/T1771, GB/T1865 respectively, does solid work, sticking power, shock-resistant, snappiness, salt fog resistance and artificial accelerated aging experiment.
Experimental result is in table 1.
Table 1
As shown in Table 1, in embodiment 4, the surface drying of the common rich zinc protection against corrosion priming paint based on epoxy resin of preparation is 1h, do solid work as 120h, artificial accelerated aging is 200h, embodiment 1, surface drying in embodiment 2 and embodiment 3, time of doing solid work is well below embodiment 4, and salt fog resistance and artificial accelerated aging are better than embodiment 4, embodiments of the invention 1, embodiment 2 and embodiment 3 are by adding the acrylic resin of second-order transition temperature 125 DEG C, effectively can improve paint film weatherability, zinc phosphate can play passivation protection effect, adopt the affixture of polymeric amide and cashew nut oil modified amine as cross linking of epoxy resin bridging agent, dryness is exceedingly fast, coating machine intensity is high, coating is fine and close, high to the sticking power of steel surface, Comprehensive Preventing corrosive nature is very excellent.
Claims (7)
1. based on a quick-drying zinc phosphate protection against corrosion priming paint for epoxy resin, it is characterized in that: comprise first component and second component two kinds of components, during use, by two components 5:1 ~ 10:1 mixing and stirring in mass ratio;
Moiety in described first component is counted by weight: epoxy equivalent (weight) is the epoxy resin 25 ~ 28 parts of 875 ~ 1950, second-order transition temperature is the acrylic resin 5 ~ 8 parts of 125 DEG C, urea-formaldehyde resin 1 ~ 3 part, zinc phosphate 10 ~ 13 parts, talcum powder 18 ~ 23 parts, process white 20 ~ 25 parts, anti-settling agent 1 ~ 2 part, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the first organic solvent 18 ~ 25 parts;
Count by weight in moiety in described second component: amine value is the polymeric amide 10 ~ 15 parts of 400 ~ 500, amine value is the cashew nut oil modified amine 45 ~ 50 parts of 250 ~ 290, epoxy equivalent (weight) is the epoxy resin 5 ~ 9 parts of 190, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the second organic solvent 25 ~ 30 parts.
2., as claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: described anti-settling agent is wilkinite, polyethylene wax or polyamide wax.
3., as claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: described defoamer is silicone antifoam agent or polymer-type defoamer.
4., as claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: described wetting dispersing agent to be relative molecular weight size be 600 ~ 1000 aliphatic amide.
5., as claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: described first organic solvent is one or more in toluene, dimethylbenzene, acetone, Virahol or butanols;
As claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: the second described organic solvent is one or more in toluene, Virahol or propylene glycol monomethyl ether.
6., as claimed in claim 1 based on the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: the polymeric amide in described second component and the affixture of cashew nut oil modified amine can as cross linking of epoxy resin bridging agents.
7., as claimed in claim 1 based on the preparation method of the quick-drying zinc phosphate protection against corrosion priming paint of epoxy resin, it is characterized in that: comprise the steps:
A, take each composition in first component successively by weight: epoxy equivalent (weight) is the epoxy resin 25 ~ 28 parts of 875 ~ 1950, the acrylic resin that second-order transition temperature is 125 DEG C 5 ~ 8 parts, urea-formaldehyde resin 1 ~ 3 part, zinc phosphate 10 ~ 13 parts, talcum powder 18 ~ 23 parts, process white 20 ~ 25 parts, anti-settling agent 1 ~ 2 part, defoamer 0.5 ~ 1 part, wetting dispersing agent 0.3 ~ 1 part, the first organic solvent 18 ~ 25 parts;
B, epoxy resin and acrylic resin to be joined in the first organic solvent to dissolve and stir evenly, then in the first organic solvent, add urea-formaldehyde resin mixing stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stirs; Add zinc phosphate talcum powder and process white while stirring, the laggard sand mill that stirs is ground to fineness 10 ~ 40 microns, obtains quick-drying zinc phosphate protection against corrosion priming paint first component, for subsequent use;
C, take each composition in second component successively by weight: the polymeric amide of 10 ~ 15 part 400 ~ 500,45 ~ 50 parts of amine values are the cashew nut oil modified amine of 250 ~ 290,5 ~ 9 parts of epoxy equivalent (weight)s are the epoxy resin of 190,0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, 25 ~ 30 part of second organic solvent;
D, polymeric amide and cashew nut oil modified amine are dissolved in the second organic solvent respectively, stir, add epoxy resin while stirring, defoamer and wetting dispersing agent, then insert whizzer high speed dispersion 25 ~ 30min, centrifuge speed is set to 600-800 rev/min, leaves standstill 20 ~ 24h, obtain quick-drying zinc phosphate protection against corrosion priming paint second component, for subsequent use;
Second component 5:1 ~ 10:1 mixing and stirring in mass ratio that e, the first component obtained by step b and steps d obtain, slaking 10 ~ 15min, obtains the quick-drying zinc phosphate protection against corrosion priming paint based on epoxy resin.
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| CN113249007B (en) * | 2020-02-10 | 2024-03-15 | 艾仕得涂料系统有限责任公司 | Primer composition and method of coating a substrate |
| CN113214708A (en) * | 2021-04-27 | 2021-08-06 | 武汉双虎涂料有限公司 | Bottom surface containing type connecting coating and preparation method thereof |
| CN113214708B (en) * | 2021-04-27 | 2022-06-14 | 武汉双虎涂料股份有限公司 | Bottom surface containing type connecting coating and preparation method thereof |
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Effective date of registration: 20211022 Address after: 225000 tuanjiehe North Road West of Zhabei Road, Taixing Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu Yunhu New Material Technology Co.,Ltd. Address before: 214161 No. 88, Chaoyang Road, South District, industrial park, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI TAIHU ANTI-CORROSION MATERIALS Co.,Ltd. |