CN104789083B - Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof - Google Patents

Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof Download PDF

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CN104789083B
CN104789083B CN201510189374.7A CN201510189374A CN104789083B CN 104789083 B CN104789083 B CN 104789083B CN 201510189374 A CN201510189374 A CN 201510189374A CN 104789083 B CN104789083 B CN 104789083B
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epoxy resin
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zinc phosphate
trbasic zinc
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CN104789083A (en
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刘嘉东
王荣
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Jiangsu Yunhu New Material Technology Co.,Ltd.
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WUXI TAIHU ANTI-CORROSION MATERIAL Co Ltd
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Abstract

The present invention relates to a kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof, including first component and second component, two components in mass ratio 5:1~10:Meter by weight includes in 1 mixing, first component:25 ~ 28 parts of epoxy resin, glass transition temperature is 125 DEG C of 5 ~ 8 parts of acrylic resin, 1 ~ 3 part of Lauxite, 10 ~ 13 parts of trbasic zinc phosphate, 18 ~ 23 parts of talcum powder, 20 ~ 25 parts of blanc fixe, 1 ~ 2 part of anti-settling agent, 0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, the first 18 ~ 25 parts of organic solvent;Meter by weight in second component includes:Amine value is 400 ~ 500 10 ~ 15 parts of polyamide, and amine value is 250 ~ 290 45 ~ 50 parts of cashew nut oil modified amine, 5 ~ 9 parts of epoxy resin, 0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, the second 25 ~ 30 parts of organic solvent.Preparation method of the present invention is simple, and the quick-drying trbasic zinc phosphate anticorrosion priming paint prepared has preferable pliability, adhesive force, salt spray resistance and weatherability.

Description

Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof
Technical field
The present invention relates to a kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof, belong to coating Preparing technical field.
Background technology
At present, epoxy resin equal solvent type anticorrosive paint because its have good adhesive force, chemical-resistant, water resistance with And physical and mechanical properties and be widely used in bay, Ship Building and Repairing, ocean development engineering, power station, science of bridge building, petrochemical industry etc. The anti-corrosion of industry hardware.Conventional common epoxy anticorrosion priming paint, normal temperature cure needs 5~7 days, winter curing rate Slowly, influence construction, quick-drying trbasic zinc phosphate anticorrosion priming paint of the invention, relatively conventional zinc rich primer, rate of drying is exceedingly fast, paint film Hard, low-temperature curable, while base material treatment requires low, can be used for single coating anticorrosion, again can be with other finish paints such as chlorine Change rubber, acroleic acid polyurethane is supported the use, with easy construction, anticorrosive property is good, the advantages of applied widely.
The content of the invention
The invention aims to solve existing anti-corrosive paint of epoxy resin curing rate compared with slow and weatherability is poor, make High there is provided a kind of paint film intensity with the less shortcoming of scope, Corrosion Protection is good and with preferable low temperature curing properties Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof.
The present invention is adopted the following technical scheme that:A kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, including first Two kinds of components of component and second component, in use, pressing two components in mass ratio 5:1~10:1 is mixed evenly;
Constituent in the first component is calculated by weight as:Epoxide equivalent is 875~1950 epoxy resin 25 ~28 parts, glass transition temperature is 125 DEG C of 5~8 parts of acrylic resin, 1~3 part of Lauxite, 10~13 parts of trbasic zinc phosphate, talcum 18~23 parts of powder, 20~25 parts of blanc fixe, 1~2 part of anti-settling agent, 0.5~1 part of defoamer, 0.3~1 part of wetting dispersing agent, First 18~25 parts of organic solvent;
It is calculated by weight as in constituent in the second component:Amine value is 400~500 polyamide 10~15 Part, amine value is 250~290 45~50 parts of cashew nut oil modified amine, and epoxide equivalent is 190 5~9 parts of epoxy resin, froth breaking 0.5~1 part of agent, 0.3~1 part of wetting dispersing agent, the second 25~30 parts of organic solvent.
Further, the anti-settling agent is bentonite, Tissuemat E or polyamide wax.
Further, the defoamer is organic silicon defoamer or polymer-type defoamer.
Further, the wetting dispersing agent is the fatty amine that relative molecular weight size is 600~1000.
Further, first organic solvent is one kind or several in toluene, dimethylbenzene, acetone, isopropanol or butanol Kind;
Further, the second described organic solvent is the one or more in toluene, isopropanol or propylene glycol monomethyl ether.
Further, the cross linking of epoxy resin bridging agent is the addition product of polyamide and cashew nut oil modified amine.
The preparation method of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, comprises the following steps:
A, each composition weighed successively by weight in first component:Epoxide equivalent is 875~1950 epoxy resin 25 ~28 parts, 5~8 parts of the acrylic resin that 125 DEG C of glass transition temperature, 1~3 part of Lauxite, 10~13 parts of trbasic zinc phosphate, talcum powder 18~23 parts, 20~25 parts of blanc fixe, 1~2 part of anti-settling agent, 0.5~1 part of defoamer, 0.3~1 part of wetting dispersing agent, the One 18~25 parts of organic solvent;
B, epoxy resin and acrylic resin are added in the first organic solvent dissolving stirred evenly, then in the first organic solvent Interior addition Lauxite mixing is stirred evenly, and then adds wetting dispersing agent, anti-settling agent, defoamer stirs;Phosphorate while stirring Sour zinc talcum powder and blanc fixe, the laggard sand mill that stirs are ground to 10~40 microns of fineness, obtain quick-drying trbasic zinc phosphate Anticorrosion priming paint first component, it is standby;
C, each composition weighed successively by weight in second component:10~15 part 400~500 of polyamide, 45~ The cashew nut oil modified amine that 50 parts of amine values are 250~290, the epoxy resin that 5~9 parts of epoxide equivalents are 190,0.5~1 part of froth breaking Agent, 0.3~1 part of wetting dispersing agent, 25~30 part of second organic solvent;
D, polyamide and cashew nut oil modified amine be dissolved separately in the second organic solvent, stirred, while stirring Add epoxy resin, defoamer and wetting dispersing agent, after insert centrifuge high speed and disperse 25~30min, centrifuge speed is set 600-800 revs/min is set to, 20~24h is stood, obtains quick-drying trbasic zinc phosphate anticorrosion priming paint second component, it is standby;
E, the second component in mass ratio 5 for obtaining the obtained first components of step b and step d:1 is mixed evenly, curing 10~15min, obtains the quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin.
Preparation method of the present invention is simple, and the addition product in second component from polyamide and cashew nut oil modified amine is used as epoxy Resin crosslinks bridging agent, improves the speed and physical and mechanical properties of solidifying priming paint, while improving the attachment in steel substrate The combination of epoxy resin and acrylic resin and Lauxite in power, first component, can not only can improve the flexible of coating Property, adhesive force, moreover it is possible to improve salt spray resistance and weatherability, effectively extend the service life of steel, prepared by the present invention Quick-drying trbasic zinc phosphate anticorrosion priming paint requires low to base material treatment, can be used for single coating anticorrosion, again can be with other finish paints such as Chlorinated rubber, acroleic acid polyurethane is supported the use, with easy construction, and anticorrosive property is good, applied widely.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1:
A kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, including two kinds of first component and second component, first component In constituent be calculated by weight as:Epoxide equivalent is 875~1,950 25 parts of epoxy resin, and glass transition temperature is 125 DEG C 5 parts of acrylic resin, 1 part of Lauxite, 10 parts of trbasic zinc phosphate, 18 parts of talcum powder, 20 parts of blanc fixe, 1 part of anti-settling agent, 0.5 part of defoamer, 0.3 part of wetting dispersing agent, the first 18 parts of organic solvent isopropanol;
It is calculated by weight as in constituent in second component:Amine value is 400~500 10 parts of polyamide, and amine value is 45 parts of 250 cashew nut oil modified amine, epoxide equivalent is 190 5 parts of epoxy resin, 0.5 part of defoamer, wetting dispersing agent 0.3 Part, the second 25 parts of organic solvent propylene glycol monomethyl ether.
The preparation method of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin comprises the following steps:
A, weigh epoxide equivalent be 875~1950 epoxy resin 25kg, the acrylic resin that 125 DEG C of glass transition temperature 5kg, Lauxite 1kg, trbasic zinc phosphate 10kg, talcum powder 18kg, blanc fixe 20kg, anti-settling agent 1kg, defoamer 0.5kg, profit Hygroscopic water powder 0.3kg, the first organic solvent 18kg.
B, epoxide equivalent is added to for 875~1950 epoxy resin and the acrylic resin of 125 DEG C of glass transition temperature Dissolving is stirred evenly in first organic solvent, then the mixing of addition Lauxite is stirred evenly in the first organic solvent, then adds wetting point Powder, anti-settling agent, defoamer stir;Trbasic zinc phosphate, talcum powder, blanc fixe are added while stirring, with 1000 revs/min The speed laggard sand mill that stirs is ground to 10~40 microns of fineness, obtains quick-drying trbasic zinc phosphate anticorrosion priming paint first component, standby With.
C, the polyamide for weighing 10kg amine values 400~500,45kg amine values are 250-290 cashew nut oil modified amine, 5kg Epoxide equivalent is 190 epoxy resin, 0.5kg defoamers, 0.3kg wetting dispersing agents, the organic solvents of 25kg second.
D, by the polyamide and amine value of amine value 400~500 be 250~290 cashew nut oil modified amine, being dissolved in second has Machine solvent, stirs, and it is 190 epoxy resin, defoamer, wetting dispersing agent that epoxide equivalent is added while stirring, with 1000 Rev/min speed scattered half an hour at a high speed, stand 24 hours, obtain quick-drying trbasic zinc phosphate anticorrosion priming paint component B, it is standby.
E, the obtained second component of the obtained first components of step b and step d is mixed evenly, cures 10 minutes, obtain Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin.
Embodiment 2:
A kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, including two kinds of first component and second component,
Constituent in first component is calculated by weight as:Epoxide equivalent is 875~1,950 25 parts of epoxy resin, glass Glass temperature is 125 DEG C of 8 parts of acrylic resin, 1 part of Lauxite, 10 parts of trbasic zinc phosphate, 18 parts of talcum powder, blanc fixe 20 Part, 1 part of anti-settling agent, 0.5 part of defoamer, 0.3 part of wetting dispersing agent, the first 18 parts of organic solvent toluene;
It is calculated by weight as in constituent in second component:Amine value is 400~500 10 parts of polyamide, and amine value is 45 parts of 250~290 cashew nut oil modified amine, epoxide equivalent is 190 5 parts of epoxy resin, 0.5 part of defoamer, wetting and dispersing 0.3 part of agent, the second 25 parts of organic solvent isopropanol.
The preparation method of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin comprises the following steps:
A, weigh epoxide equivalent be 875~1950 epoxy resin 25kg, the acrylic resin that 125 DEG C of glass transition temperature 8kg, Lauxite 1kg, trbasic zinc phosphate 10kg, talcum powder 18kg, blanc fixe 20kg, anti-settling agent 1kg, defoamer 0.5kg, profit Hygroscopic water powder 0.3kg, the first organic solvent 18kg.
B, epoxide equivalent is added to for 875~1950 epoxy resin and the acrylic resin of 125 DEG C of glass transition temperature Dissolving is stirred evenly in first organic solvent toluene, then the mixing of addition Lauxite is stirred evenly in the first organic solvent toluene, Ran Houjia Enter wetting dispersing agent, anti-settling agent, defoamer to stir;Trbasic zinc phosphate, talcum powder, blanc fixe are added while stirring, with 1000 revs/min of the speed laggard sand mill that stirs is ground to 10~40 microns of fineness, obtains quick-drying trbasic zinc phosphate anticorrosion bottom First component is painted, it is standby.
C, the polyamide for weighing 10kg amine values 400~500,45kg amine values are 250-290 cashew nut oil modified amine, 5kg Epoxide equivalent is 190 epoxy resin, 0.5kg defoamers, 0.3kg wetting dispersing agents, 25kg the second organic solvent isopropanols.
D, by the polyamide and amine value of amine value 400~500 be 250-290 cashew nut oil modified amine, being dissolved in second has Machine solvent, stirs, and it is 190 epoxy resin, defoamer, wetting dispersing agent that epoxide equivalent is added while stirring, with 1000 Rev/min speed scattered half an hour at a high speed, stand 24 hours, obtain quick-drying trbasic zinc phosphate anticorrosion priming paint component B, it is standby.
E, the obtained second component of the obtained first components of step b and step d is mixed evenly, cures 15 minutes, obtain Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin.
Embodiment 3:
A kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, including two kinds of components of first component and second component, make Used time, two components are mixed evenly;
Constituent in first component is calculated by weight as:Epoxide equivalent is 875~1,950 28 parts of epoxy resin, glass Glass temperature is 125 DEG C of 8 parts of acrylic resin, 3 parts of Lauxite, 13 parts of trbasic zinc phosphate, 23 parts of talcum powder, blanc fixe 25 Part, 2 parts of anti-settling agent, 1 part of defoamer, 0.3 part of wetting dispersing agent, the first 25 parts of organic solvent-acetone;
It is calculated by weight as in constituent in second component:Amine value is 400~500 15 parts of polyamide, and amine value is 50 parts of 250~290 cashew nut oil modified amine, epoxide equivalent is 190 9 parts of epoxy resin, 1 part of defoamer, wetting dispersing agent 1 Part, the second 30 parts of organic solvent propylene glycol monomethyl ether.
The preparation method of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin comprises the following steps:
A, weigh epoxide equivalent be 875~1950 epoxy resin 28kg, the acrylic resin that 125 DEG C of glass transition temperature 8kg, Lauxite 3kg, trbasic zinc phosphate 13kg, talcum powder 23kg, blanc fixe 25kg, anti-settling agent 2kg, defoamer 1kg, wetting Dispersant 0.3kg, the first organic solvent 15kg.
B, epoxide equivalent is added to for 875~1950 epoxy resin and the acrylic resin of 125 DEG C of glass transition temperature Dissolving is stirred evenly in first organic solvent, then the mixing of addition Lauxite is stirred evenly in the first organic solvent-acetone, then adds profit Hygroscopic water powder, anti-settling agent, defoamer stir;While stirring add trbasic zinc phosphate, talcum powder, blanc fixe, with 1000 turns/ Point the speed laggard sand mill that stirs be ground to 10~40 microns of fineness, obtain quick-drying trbasic zinc phosphate anticorrosion priming paint first group Part, it is standby.
C, the polyamide for weighing 15kg amine values 400~500,50kg amine values are 250-290 cashew nut oil modified amine, 9kg Epoxide equivalent is 190 epoxy resin, 1kg defoamers, 1kg wetting dispersing agents, the organic solvents of 30kg second.
D, by the polyamide and amine value of amine value 400~500 be 250-290 cashew nut oil modified amine, being dissolved in second has Machine solvent, stirs, and it is 190 epoxy resin, defoamer, wetting dispersing agent that epoxide equivalent is added while stirring, with 1000 Rev/min speed scattered half an hour at a high speed, stand 24 hours, obtain quick-drying trbasic zinc phosphate anticorrosion priming paint component B, it is standby.
E, the obtained component B of the obtained first components of step b and step d is mixed evenly, cures 15 minutes, obtain Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin.
Embodiment 4:
A kind of common zinc-rich anticorrosion priming paint based on epoxy resin, including two kinds of first component and second component,
Constituent in first component is calculated by weight as:Epoxide equivalent is 500~900 15 parts of epoxy resin, zinc 40 parts of powder, 14. parts of talcum powder, 100 parts of blanc fixe, 2 parts of anti-settling agent, 0.5 part of defoamer, 0.3 part of wetting dispersing agent, first 18 parts of organic solvent butanol;
It is calculated by weight as in constituent in second component:Amine value is 400~500 50 parts of polyamide, second has 50 parts of machine solvent toluene.
The preparation method of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin comprises the following steps:
a、:Weigh epoxy resin 15kg, zinc powder 40kg, talcum powder 14.kg, sulfate precipitate that epoxide equivalent is 500~900 Barium 100kg, anti-settling agent 2kg, defoamer 0.5kg, wetting dispersing agent 0.3kg, the first organic solvent butanol 18kg;
B, epoxide equivalent is added in the first organic solvent toluene dissolving for 500-900 epoxy resin stirred evenly, then Wetting dispersing agent, anti-settling agent, defoamer is added to stir;Zinc powder, blanc fixe are added while stirring, with 1000 revs/min Speed stir after be dispersed to 10~40 microns of fineness at a high speed, obtain epoxy zinc-rich anticorrosion priming paint first component, it is standby.
C, the polyamide for weighing 50kg amine values 400~500, the organic solvent toluenes of 50kg second.
D, the polyamide of amine value 400~500 is dissolved in the second organic solvent toluene, stirs, obtain epoxy zinc-rich Anticorrosion priming paint component B, it is standby.
E, mass ratio 10 is mixed evenly in the obtained second component of the obtained first components of step b and step d:1, curing 15 Minute, obtain epoxy zinc-rich anticorrosion priming paint.
The quick-drying trbasic zinc phosphate based on epoxy resin prepared to embodiment 1, embodiment 2, embodiment 3 and embodiment 4 is prevented Corrosion priming paint respectively according to GB/T1728, GB/T5210, GB/T1732, GB/T1771, GB/T1865 carry out surface drying, do solid work, it is attached Put forth effort, impact resistance, pliability, the experiment of salt fog resistance and artificial accelerated aging.
Experimental result is shown in Table 1.
Table 1
As shown in Table 1, the surface drying of the common zinc-rich anticorrosion priming paint based on epoxy resin prepared in embodiment 4 is 1h, Do solid work as 120h, artificial accelerated aging be in 200h, embodiment 1, embodiment 2 and embodiment 3 in surface drying, to do solid work the time remote Far below embodiment 4, and salt fog resistance and artificial accelerated aging are better than embodiment 4, embodiments of the invention 1, the and of embodiment 2 Embodiment 3 can effectively improve paint film weatherability, trbasic zinc phosphate can be sent out by adding the acrylic resin of 125 DEG C of glass transition temperature Passivation protection effect is waved, cross linking of epoxy resin bridging agent, dryness are used as using the addition product of polyamide and cashew nut oil modified amine It is exceedingly fast, coating high mechanical strength, coating is fine and close, high to the adhesive force of steel surface, comprehensive anticorrosive corrosion can be very excellent.

Claims (2)

1. a kind of quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin, it is characterised in that:Including first component and second component two Kind of component, in use, by two components in mass ratio 5:1~10:1 is mixed evenly;
Constituent in the first component is calculated by weight as:Epoxide equivalent is 875 ~ 1,950 25 ~ 28 parts of epoxy resin, Glass transition temperature is 125 DEG C of 5 ~ 8 parts of acrylic resin, 1 ~ 3 part of Lauxite, 10 ~ 13 parts of trbasic zinc phosphate, 18 ~ 23 parts of talcum powder, 20 ~ 25 parts of blanc fixe, 1 ~ 2 part of anti-settling agent, 0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, the first organic solvent 18 ~ 25 parts;
It is calculated by weight as in constituent in the second component:Amine value is 400 ~ 500 10 ~ 15 parts of polyamide, amine value For 250 ~ 290 45 ~ 50 parts of cashew nut oil modified amine, epoxide equivalent is 190 5 ~ 9 parts of epoxy resin, 0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, the second 25 ~ 30 parts of organic solvent;
The anti-settling agent is bentonite, Tissuemat E or polyamide wax;
The defoamer is organic silicon defoamer or polymer-type defoamer;
The wetting dispersing agent is the fatty amine that relative molecular weight size is 600 ~ 1000;
First organic solvent is the one or more in toluene, dimethylbenzene, acetone, isopropanol or butanol;
The second described organic solvent is the one or more in toluene, isopropanol or propylene glycol monomethyl ether;
The addition product of polyamide and cashew nut oil modified amine in the second component can be used as cross linking of epoxy resin bridging agent.
2. the preparation method of the quick-drying trbasic zinc phosphate anticorrosion priming paint as claimed in claim 1 based on epoxy resin, its feature exists In:Comprise the following steps:
A, each composition weighed successively by weight in first component:Epoxide equivalent is 875 ~ 1,950 25 ~ 28 parts of epoxy resin, 5 ~ 8 parts of the acrylic resin that 125 DEG C of glass transition temperature, 1 ~ 3 part of Lauxite, 10 ~ 13 parts of trbasic zinc phosphate, 18 ~ 23 parts of talcum powder sinks 20 ~ 25 parts of shallow lake barium sulfate, 1 ~ 2 part of anti-settling agent, 0.5 ~ 1 part of defoamer, 0.3 ~ 1 part of wetting dispersing agent, the first organic solvent 18 ~ 25 Part;
B, epoxy resin and acrylic resin are added in the first organic solvent dissolving stirred evenly, then in the first organic solvent plus Enter Lauxite mixing to stir evenly, then add wetting dispersing agent, anti-settling agent, defoamer stirs;While stirring plus trbasic zinc phosphate Talcum powder and blanc fixe, the laggard sand mill that stirs are ground to 10 ~ 40 microns of fineness, obtain quick-drying trbasic zinc phosphate anticorrosion Priming paint first component, it is standby;
C, each composition weighed successively by weight in second component:10 ~ 15 part 400 ~ 500 of polyamide, 45 ~ 50 parts of amine values For 250 ~ 290 cashew nut oil modified amine, the epoxy resin that 5 ~ 9 parts of epoxide equivalents are 190,0.5 ~ 1 part of defoamer, 0.3 ~ 1 part Wetting dispersing agent, 25 ~ 30 part of second organic solvent;
D, polyamide and cashew nut oil modified amine be dissolved separately in the second organic solvent, stir, add while stirring Epoxy resin, defoamer and wetting dispersing agent, then insert centrifuge high speed and disperse 25 ~ 30min, centrifuge speed is set to 600-800 revs/min, 20 ~ 24h is stood, quick-drying trbasic zinc phosphate anticorrosion priming paint second component is obtained, it is standby;
E, the second component in mass ratio 5 for obtaining the obtained first components of step b and step d:1~10:1 is mixed evenly, curing 10 ~ 15min, obtains the quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin.
CN201510189374.7A 2015-04-20 2015-04-20 Quick-drying trbasic zinc phosphate anticorrosion priming paint based on epoxy resin and preparation method thereof Active CN104789083B (en)

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