CN104987831A - Water-based anticorrosive paint - Google Patents
Water-based anticorrosive paint Download PDFInfo
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- CN104987831A CN104987831A CN201510387859.7A CN201510387859A CN104987831A CN 104987831 A CN104987831 A CN 104987831A CN 201510387859 A CN201510387859 A CN 201510387859A CN 104987831 A CN104987831 A CN 104987831A
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Abstract
The invention provides water-based anticorrosive paint. The water-based anticorrosive paint comprises, by weight, 82-95 parts of phenyl glycidyl ether modified polyaniline, 60-80 parts of epoxy resin, 30-60 parts of alkyd resin, 20-40 parts of modified polyurethane, 10-15 parts of modified nanometer titania, 5-12 parts of zinc phosphate, 6-18 parts of aluminum phosphate, 5-12 parts of imvite, 3-8 parts of mica powder, 2-9 parts of talcum powder, 4-14 parts of quartz powder, 8-18 parts of pigment, 2-8 parts of defoaming agents, 3-6 parts of dispersing agent, 1-5 parts of flatting agents, 4-9 parts of coalescing agents and 60-83 parts of water. The water-based anticorrosive paint is good in antiseptic property, excellent in waterproofness, long in service life and low in cost.
Description
Technical field
The present invention relates to paint field, particularly relate to a kind of water-based anticorrosive paint.
Background technology
At present, the decoration of construction wall generally adopts traditional coating, most coating is only limited to and possesses elastomeric feature, its water tolerance and water-repellancy poor, tensile strength is low, sticking power is general, general only for upholstery, present people more and more focus on living environment, so the decoration of outdoor is also more and more concerned, but because it is not water-fast, non-watertight, will entirety peel off at paint film after rain drop erosion, seem that identity unsightly, the impact of current acid rain is increasing, make the requirement of the paint coatings to building envelopes coating more and more higher, the waterproof, seepage control issue concerns of buildings is to the work of people and living environment, and affect the work-ing life of buildings, therefore, if it is excellent to prepare a kind of water resistance, antiseptic property is good, the coating of long service life becomes the current technical issues that need to address.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of water-based anticorrosive paint.The antiseptic property of described water-based anticorrosive paint is good, and water resistance is excellent, and long service life, cost is low.
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 82-95 part, epoxy resin 60-80 part, Synolac 30-60 part, modified polyurethane 20-40 part, modified nano-titanium dioxide 10-15 part, zinc phosphate 5-12 part, aluminum phosphate 6-18 part, polynite 5-12 part, mica powder 3-8 part, talcum powder 2-9 part, silica powder 4-14 part, pigment 8-18 part, defoamer 2-8 part, dispersion agent 3-6 part, flow agent 1-5 part, film coalescence aid 4-9 part, water 60-83 part.
Preferably, modified polyurethane is prepared by following technique: PTMG mixed with polyoxyethylene glycol, be warming up to 100-120 DEG C, vaccum dewatering 2-5h in the process heated up, is cooled to 60-70 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after isophorone diisocyanate and butanone mixing, be warming up to 70-90 DEG C, insulation 0.5-1.5h obtains material b; Dibutyl tin laurate is dripped in material b, insulation 0.2-1.6h, then dicarboxyl methylpropanoic acid and 1 is added, 4-butyleneglycol, continues insulation 2-6h, is cooled to 42-52 DEG C and adds triethylamine, after insulation 0.2-0.7h, instillation α, ω-two aminopropylpolysiloxane, drips and terminates rear insulation 10-20h, obtain material c, material c is sheared 5-10min in water, then adds quadrol, be warming up to 32-48 DEG C, insulation 0.2-1.8h, then leave standstill 4-6h, 42-58 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Preferably, phenyl glycidyl ether modified polyaniline 84-93 part, epoxy resin 62-78 part, Synolac 32-58 part, modified polyurethane 22-38 part.
Preferably, modified nano-titanium dioxide 11-14 part, zinc phosphate 6-11 part, aluminum phosphate 7-17 part, polynite 6-11 part, mica powder 4-7 part, talcum powder 3-8 part, silica powder 5-13 part.
Preferably, pigment 9-17 part, defoamer 3-7 part, dispersion agent 4-5 part, flow agent 2-4 part, film coalescence aid 5-8 part, water 62-81 part.
Preferably, in the preparation technology of modified polyurethane, PTMG, polyoxyethylene glycol, isophorone diisocyanate, butanone, dibutyl tin laurate, dicarboxyl methylpropanoic acid, 1,4-butyleneglycol, triethylamine, α, ω-two the mass ratio of aminopropylpolysiloxane and quadrol be 3.2-5.6:1.6-3.5:4.3-5.6:1.3-2.6:0.6-1.5:0.3-1.1:2.2-4.5: 1.2-3.1:3.5-8.6:1.1-6.4.
Preferably, modified nano-titanium dioxide is prepared according to following technique: added by nano titanium dioxide powder in aluminum nitrate solution and obtain material a after dispersion, urea is added in material a, be warming up to 75-95 DEG C, insulation 1-2h, adjust ph is 3.2-5.3, with ethanolic soln a washing after suction filtration, 80-120 DEG C is dried to constant weight, obtain material b, then material b is heated to 120-150 DEG C, insulation 1-3h, then in material b, sodium lauryl sulphate is added, adjust ph is 6.5-7.2, material c is obtained after suction filtration, material c ethanolic soln b is washed, 80-120 DEG C is dried to constant weight, obtain modified nano-titanium dioxide.
Preferably, the mass ratio of nano titanium dioxide powder, aluminum nitrate solution, urea and sodium lauryl sulphate is 3.1-8.2:4.6-7.9:2.3-6.4.
Preferably, the concentration of ethanolic soln a is 0.5-2.5wt%, and the concentration of ethanolic soln b is 3.2-5.6wt%.
Preparation method of the present invention, comprises the steps:
(1) phenyl glycidyl ether modified polyaniline, epoxy resin, Synolac and water are joined insulation still, be warming up to 30-45 DEG C, then modified polyurethane is added, the process of heating does not stop to stir, first stir 10-15 minute with the speed of 300-400r/min, and then stir 15-20 minute with the speed of 500-800r/min;
(2) and then in insulation still modified nano-titanium dioxide, zinc phosphate, aluminum phosphate, polynite, mica powder, talcum powder, silica powder, pigment, defoamer, dispersion agent, flow agent and film coalescence aid is added successively, 20-25 minute is stirred with the speed of 800-1000r/min, then drop in sand mill and grind, filter with 500 order filter cloths again.
In the present invention, with phenyl glycidyl ether modified polyaniline for major ingredient, then by phenyl glycidyl ether modified polyaniline, epoxy resin and Synolac compound by a certain percentage, phenyl glycidyl ether modified polyaniline is made to obtain good preservative effect, simultaneously by phenyl glycidyl ether modified polyaniline, the perfect anticorrosion mechanism of polyaniline, by optimizing method of modifying, make the dispersiveness of polyaniline in resin, the aspects such as solubleness in the solution and film anticorrosion are improved simultaneously, by by phenyl glycidyl ether modified polyaniline and phenyl glycidyl ether modified polyaniline, epoxy resin and Synolac compound by a certain percentage, further improve phenyl glycidyl ether modified polyaniline, the antiseptic property of epoxy resin and Synolac, make whole phenyl glycidyl ether modified polyaniline, epoxy resin, the preservative property of the major ingredient of Synolac and modified polyurethane composition are further promoted, by aluminium hydroxide and sodium lauryl sulphate, coated and modification is carried out to the surface of nano titanium oxide, to improve the dispersiveness of nanometer titanium dioxide water pulp.Nano titanium oxide through sodium lauryl sulphate effects on surface coated Strong oxdiative aluminium carries out modified, joins in major ingredient, makes its pendulum-rocker hardness of coating, salt water resistance performance, salt spray resistance and ageing-resistant performance have raising in various degree; The zinc phosphate added, aluminum phosphate, polynite, mica powder, talcum powder and silica powder, as modification and packing material, effectively can improve wear resistance and the fire resistance of coating.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In embodiment, the weight part of phenyl glycidyl ether modified polyaniline can be 82 parts, 83 parts, 84 parts, 85 parts, 86 parts, 87 parts, 88 parts, 89 parts, 90 parts, 91 parts, 92 parts, 93 parts, 94 parts, 95 parts; The weight part of epoxy resin can be 60 parts, 61 parts, 62 parts, 63 parts, 64 parts, 65 parts, 66 parts, 67 parts, 68 parts, 69 parts, 70 parts, 71 parts, 72 parts, 73 parts, 74 parts, 75 parts, 76 parts, 77 parts, 78 parts, 79 parts, 80 parts; The weight part of Synolac can be 30 parts, 31 parts, 32 parts, 33 parts, 34 parts, 35 parts, 36 parts, 37 parts, 38 parts, 39 parts, 40 parts, 41 parts, 42 parts, 43 parts, 44 parts, 45 parts, 46 parts, 47 parts, 48 parts, 49 parts, 50 parts, 51 parts, 52 parts, 53 parts, 54 parts, 55 parts, 56 parts, 57 parts, 58 parts, 59 parts, 60 parts; The weight part of modified polyurethane can be 20 parts, 21 parts, 22 parts, 23 parts, 24 parts, 25 parts, 26 parts, 27 parts, 28 parts, 29 parts, 30 parts, 31 parts, 32 parts, 33 parts, 34 parts, 35 parts, 36 parts, 37 parts, 38 parts, 39 parts, 40 parts; The weight part of modified nano-titanium dioxide can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts; The weight part of zinc phosphate can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, the weight part of aluminum phosphate can be 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts; The weight part of polynite can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts; The weight part of mica powder can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; Talcous weight part can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of silica powder can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts; The weight part of pigment can be 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts; The weight part of defoamer can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of dispersion agent can be 3 parts, 4 parts, 5 parts, 6 parts; The weight part of flow agent can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of film coalescence aid can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of water can be 60 parts, 61 parts, 62 parts, 63 parts, 64 parts, 65 parts, 66 parts, 67 parts, 68 parts, 69 parts, 70 parts, 71 parts, 72 parts, 73 parts, 74 parts, 75 parts, 76 parts, 77 parts, 78 parts, 79 parts, 80 parts, 81 parts, 82 parts, 83 parts;
Wherein, modified polyurethane is prepared by following technique: PTMG mixed with polyoxyethylene glycol, be warming up to 100-120 DEG C, vaccum dewatering 2-5h in the process heated up, is cooled to 60-70 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after isophorone diisocyanate and butanone mixing, be warming up to 70-90 DEG C, insulation 0.5-1.5h obtains material b; Dibutyl tin laurate is dripped in material b, insulation 0.2-1.6h, then dicarboxyl methylpropanoic acid and 1 is added, 4-butyleneglycol, continues insulation 2-6h, is cooled to 42-52 DEG C and adds triethylamine, after insulation 0.2-0.7h, instillation α, ω-two aminopropylpolysiloxane, drips and terminates rear insulation 10-20h, obtain material c, material c is sheared 5-10min in water, then adds quadrol, be warming up to 32-48 DEG C, insulation 0.2-1.8h, then leave standstill 4-6h, 42-58 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by nano titanium dioxide powder in aluminum nitrate solution and obtain material a after dispersion, urea is added in material a, be warming up to 75-95 DEG C, insulation 1-2h, adjust ph is 3.2-5.3, with ethanolic soln a washing after suction filtration, 80-120 DEG C is dried to constant weight, obtain material b, then material b is heated to 120-150 DEG C, insulation 1-3h, then in material b, sodium lauryl sulphate is added, adjust ph is 6.5-7.2, material c is obtained after suction filtration, material c ethanolic soln b is washed, 80-120 DEG C is dried to constant weight, obtain modified nano-titanium dioxide.
Embodiment 1
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 88.5 parts, epoxy resin 70 parts, Synolac 45 parts, modified polyurethane 30 parts, modified nano-titanium dioxide 12.5 parts, zinc phosphate 8.5 parts, aluminum phosphate 12 parts, polynite 8.5 parts, mica powder 5.5 parts, talcum powder 5.5 parts, silica powder 9 parts, pigment 13 parts, defoamer 5 parts, dispersion agent 4.5 parts, flow agent 3 parts, film coalescence aid 6.5 parts, 71.5 parts, water;
Wherein, modified polyurethane is prepared by following technique: 4.4 parts of PTMG mixed with 2.55 parts of polyoxyethylene glycol by weight, be warming up to 110 DEG C, vaccum dewatering 3.5h in the process heated up, is cooled to 65 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after 4.95 parts of isophorone diisocyanates and 1.95 parts of butanone mixing, be warming up to 80 DEG C, insulation 1h obtains material b; 1.05 parts of dibutyl tin laurates are dripped in material b, insulation 0.9h, then 0.7 part of dicarboxyl methylpropanoic acid and 3.35 part 1 is added, 4-butyleneglycol, continues insulation 4h, is cooled to 47 DEG C and adds 2.2 parts of triethylamines, after insulation 0.45h, instill 6.05 parts of α, ω-two aminopropylpolysiloxane, drip and terminate rear insulation 15h, obtain material c, material c is sheared 7.5min in water, then adds 3.75 parts of quadrols, be warming up to 40 DEG C, insulation 1.0h, then leave standstill 5h, 50 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by 5.65 parts of nano titanium dioxide powders by weight in 6.25 parts of aluminum nitrate solutions and obtain material a after dispersion, 4.45 parts of urea are added in material a, be warming up to 85.5 DEG C, insulation 1.5h, adjust ph is 4.25, wash with the ethanolic soln a that concentration is 1.5wt% after suction filtration, 100 DEG C are dried to constant weight, obtain material b, then material b is heated to 135 DEG C, insulation 2h, then in material b, 2.05 parts of sodium lauryl sulphate are added, adjust ph is 6.85, material c is obtained after suction filtration, be that the ethanolic soln b of 4.4wt% washs by material c concentration, 100 DEG C are dried to constant weight, obtain modified nano-titanium dioxide.
Embodiment 2
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 82 parts, epoxy resin 80 parts, Synolac 30 parts, modified polyurethane 40 parts, modified nano-titanium dioxide 10 parts, zinc phosphate 12 parts, aluminum phosphate 6 parts, polynite 12 parts, mica powder 3 parts, talcum powder 9 parts, silica powder 4 parts, pigment 18 parts, defoamer 2 parts, dispersion agent 6 parts, flow agent 1 part, film coalescence aid 9 parts, 60 parts, water;
Wherein, modified polyurethane is prepared by following technique: 3.2 parts of PTMG mixed with 3.5 parts of polyoxyethylene glycol by weight, be warming up to 100 DEG C, vaccum dewatering 5h in the process heated up, is cooled to 60 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after 5.6 parts of isophorone diisocyanates and 1.3 parts of butanone mixing, be warming up to 90 DEG C, insulation 0.5h obtains material b; 1.5 parts of dibutyl tin laurates are dripped in material b, insulation 0.2h, then 1.1 parts of dicarboxyl methylpropanoic acids and 2.2 part 1 is added, 4-butyleneglycol, continues insulation 6h, is cooled to 42 DEG C and adds 3.1 parts of triethylamines, after insulation 0.2h, instill 8.6 parts of α, ω-two aminopropylpolysiloxane, drip and terminate rear insulation 10h, obtain material c, material c is sheared 10min in water, then adds 1.1 parts of quadrols, be warming up to 48 DEG C, insulation 0.2h, then leave standstill 6h, 42 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by 3.1 parts of nano titanium dioxide powders by weight in 7.9 parts of aluminum nitrate solutions and obtain material a after dispersion, 2.3 parts of urea are added in material a, be warming up to 95 DEG C, insulation 1h, adjust ph is 5.3, wash with the ethanolic soln a that concentration is 0.5wt% after suction filtration, 120 DEG C are dried to constant weight, obtain material b, then material b is heated to 120 DEG C, insulation 3h, then in material b, 1.3 parts of sodium lauryl sulphate are added, adjust ph is 7.2, material c is obtained after suction filtration, be that the ethanolic soln b of 3.2wt% washs by material c concentration, 120 DEG C are dried to constant weight, obtain modified nano-titanium dioxide.
Embodiment 3
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 95 parts, epoxy resin 60 parts, Synolac 60 parts, modified polyurethane 20 parts, modified nano-titanium dioxide 15 parts, zinc phosphate 5 parts, aluminum phosphate 18 parts, polynite 5 parts, mica powder 8 parts, talcum powder 2 parts, silica powder 14 parts, pigment 8 parts, defoamer 8 parts, dispersion agent 3 parts, flow agent 5 parts, film coalescence aid 4 parts, 83 parts, water;
Wherein, modified polyurethane is prepared by following technique: 5.6 parts of PTMG mixed with 1.6 parts of polyoxyethylene glycol by weight, be warming up to 120 DEG C, vaccum dewatering 2h in the process heated up, is cooled to 70 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after 4.3 parts of isophorone diisocyanates and 2.6 parts of butanone mixing, be warming up to 70 DEG C, insulation 1.5h obtains material b; 0.6 part of dibutyl tin laurate is dripped in material b, insulation 1.6h, then 0.3 part of dicarboxyl methylpropanoic acid and 4.5 part 1 is added, 4-butyleneglycol, continues insulation 2h, is cooled to 52 DEG C and adds 1.2 parts of triethylamines, after insulation 0.7h, instill 3.5 parts of α, ω-two aminopropylpolysiloxane, drip and terminate rear insulation 20h, obtain material c, material c is sheared 5min in water, then adds 6.4 parts of quadrols, be warming up to 32 DEG C, insulation 1.8h, then leave standstill 4h, 58 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by 8.2 parts of nano titanium dioxide powders by weight in 4.6 parts of aluminum nitrate solutions and obtain material a after dispersion, 6.4 parts of urea are added in material a, be warming up to 75 DEG C, insulation 2h, adjust ph is 3.2, wash with the ethanolic soln a that concentration is 2.5wt% after suction filtration, 80 DEG C are dried to constant weight, obtain material b, then material b is heated to 150 DEG C, insulation 1h, then in material b, 2.8 parts of sodium lauryl sulphate are added, adjust ph is 6.5, material c is obtained after suction filtration, be that the ethanolic soln b of 5.6wt% washs by material c concentration, 80 DEG C are dried to constant weight, obtain modified nano-titanium dioxide.
Embodiment 4
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 84 parts, epoxy resin 78 parts, Synolac 32 parts, modified polyurethane 38 parts, modified nano-titanium dioxide 11 parts, zinc phosphate 11 parts, aluminum phosphate 7 parts, polynite 11 parts, mica powder 4 parts, talcum powder 8 parts, silica powder 5 parts, pigment 17 parts, defoamer 3 parts, dispersion agent 5 parts, flow agent 2 parts, film coalescence aid 8 parts, 62 parts, water;
Wherein, modified polyurethane is prepared by following technique: 3.3 parts of PTMG mixed with 3.4 parts of polyoxyethylene glycol by weight, be warming up to 105 DEG C, vaccum dewatering 4.5h in the process heated up, is cooled to 62 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after 5.5 parts of isophorone diisocyanates and 1.5 parts of butanone mixing, be warming up to 88 DEG C, insulation 0.6h obtains material b; 1.4 parts of dibutyl tin laurates are dripped in material b, insulation 0.3h, then 1.0 parts of dicarboxyl methylpropanoic acids and 2.3 part 1 is added, 4-butyleneglycol, continues insulation 5h, is cooled to 44 DEG C and adds 3.0 parts of triethylamines, after insulation 0.3h, instill 8.5 parts of α, ω-two aminopropylpolysiloxane, drip and terminate rear insulation 12h, obtain material c, material c is sheared 9min in water, then adds 1.2 parts of quadrols, be warming up to 46 DEG C, insulation 0.3h, then leave standstill 5.5h, 44 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by 3.2 parts of nano titanium dioxide powders by weight in 7.8 parts of aluminum nitrate solutions and obtain material a after dispersion, 2.5 parts of urea are added in material a, be warming up to 93 DEG C, insulation 1.2h, adjust ph is 5.1, wash with the ethanolic soln a that concentration is 0.6wt% after suction filtration, 115 DEG C are dried to constant weight, obtain material b, then material b is heated to 125 DEG C, insulation 2.5h, then in material b, 1.5 parts of sodium lauryl sulphate are added, adjust ph is 7.0, material c is obtained after suction filtration, be that the ethanolic soln b of 3.4wt% washs by material c concentration, 115 DEG C are dried to constant weight, obtain modified nano-titanium dioxide.
Embodiment 5
A kind of water-based anticorrosive paint that the present invention proposes, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 93 parts, epoxy resin 62 parts, Synolac 58 parts, modified polyurethane 22 parts, modified nano-titanium dioxide 14 parts, zinc phosphate 6 parts, aluminum phosphate 17 parts, polynite 6 parts, mica powder 7 parts, talcum powder 3 parts, silica powder 13 parts, pigment 9 parts, defoamer 7 parts, dispersion agent 4 parts, flow agent 4 parts, film coalescence aid 5 parts, 81 parts, water;
Wherein, modified polyurethane is prepared by following technique: 5.5 parts of PTMG mixed with 1.7 parts of polyoxyethylene glycol by weight, be warming up to 115 DEG C, vaccum dewatering 2.5h in the process heated up, is cooled to 68 DEG C, removes vacuum, logical nitrogen obtains material a, by in instillation material a after 4.4 parts of isophorone diisocyanates and 2.4 parts of butanone mixing, be warming up to 72 DEG C, insulation 1.4h obtains material b; 0.7 part of dibutyl tin laurate is dripped in material b, insulation 1.5h, then 0.4 part of dicarboxyl methylpropanoic acid and 4.4 part 1 is added, 4-butyleneglycol, continues insulation 3h, is cooled to 50 DEG C and adds 1.3 parts of triethylamines, after insulation 0.6h, instill 3.6 parts of α, ω-two aminopropylpolysiloxane, drip and terminate rear insulation 18h, obtain material c, material c is sheared 6min in water, then adds 6.3 parts of quadrols, be warming up to 34 DEG C, insulation 1.7h, then leave standstill 4.5h, 56 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
Wherein, modified nano-titanium dioxide is prepared according to following technique: added by 8.1 parts of nano titanium dioxide powders by weight in 4.7 parts of aluminum nitrate solutions and obtain material a after dispersion, 6.2 parts of urea are added in material a, be warming up to 77 DEG C, insulation 1.8h, adjust ph is 3.4, wash with the ethanolic soln a that concentration is 2.4wt% after suction filtration, 85 DEG C are dried to constant weight, obtain material b, then material b is heated to 145 DEG C, insulation 1.5h, then in material b, 2.6 parts of sodium lauryl sulphate are added, adjust ph is 6.7, material c is obtained after suction filtration, be that the ethanolic soln b of 5.4wt% washs by material c concentration, 85 DEG C are dried to constant weight, obtain modified nano-titanium dioxide.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a water-based anticorrosive paint, it is characterized in that, its raw material comprises by weight: phenyl glycidyl ether modified polyaniline 82-95 part, epoxy resin 60-80 part, Synolac 30-60 part, modified polyurethane 20-40 part, modified nano-titanium dioxide 10-15 part, zinc phosphate 5-12 part, aluminum phosphate 6-18 part, polynite 5-12 part, mica powder 3-8 part, talcum powder 2-9 part, silica powder 4-14 part, pigment 8-18 part, defoamer 2-8 part, dispersion agent 3-6 part, flow agent 1-5 part, film coalescence aid 4-9 part, water 60-83 part.
2. water-based anticorrosive paint according to claim 1, it is characterized in that, modified polyurethane is prepared by following technique: PTMG mixed with polyoxyethylene glycol, is warming up to 100-120 DEG C, vaccum dewatering 2-5h in temperature-rise period, be cooled to 60-70 DEG C, remove vacuum, logical nitrogen obtains material a, by instillation material a after isophorone diisocyanate and butanone mixing, be warming up to 70-90 DEG C, insulation 0.5-1.5h obtains material b; Dibutyl tin laurate is dripped in material b, insulation 0.2-1.6h, then dicarboxyl methylpropanoic acid and 1 is added, 4-butyleneglycol, continues insulation 2-6h, is cooled to 42-52 DEG C and adds triethylamine, after insulation 0.2-0.7h, instillation α, ω-two aminopropylpolysiloxane, drips and terminates rear insulation 10-20h, obtain material c, material c is sheared 5-10min in water, then adds quadrol, be warming up to 32-48 DEG C, insulation 0.2-1.8h, then leave standstill 4-6h, 42-58 DEG C of rotary evaporation in vacuo, obtain modified polyurethane.
3. water-based anticorrosive paint according to claim 1 and 2, is characterized in that, the mass ratio of phenyl glycidyl ether modified polyaniline, epoxy resin, Synolac and modified polyurethane is 84-93:62-78:32-58:22-38.
4. the water-based anticorrosive paint according to any one of claim 1-3, it is characterized in that, the mass ratio of modified nano-titanium dioxide, zinc phosphate, aluminum phosphate, polynite, mica powder, talcum powder and silica powder is 11-14:6-11:7-17:6-11:4-7:3-8:5-13.
5. the water-based anticorrosive paint according to any one of claim 1-4, is characterized in that, the mass ratio of pigment, defoamer, dispersion agent, flow agent, film coalescence aid and water is 9-17:3-7:4-5:2-4:5-8:62-81.
6. the water-based anticorrosive paint according to any one of claim 1-5, it is characterized in that, in the preparation technology of modified polyurethane, PTMG, polyoxyethylene glycol, isophorone diisocyanate, butanone, dibutyl tin laurate, dicarboxyl methylpropanoic acid, 1,4-butyleneglycol, triethylamine, α, ω-two the mass ratio of aminopropylpolysiloxane and quadrol be 3.2-5.6:1.6-3.5:4.3-5.6:1.3-2.6:0.6-1.5:0.3-1.1:2.2-4.5: 1.2-3.1:3.5-8.6:1.1-6.4.
7. the water-repellent preservation according to any one of claim 1-6 is coated with, it is characterized in that, modified nano-titanium dioxide is prepared according to following technique: added by nano titanium dioxide powder in aluminum nitrate solution and obtain material a after dispersion, urea is added in material a, be warming up to 75-95 DEG C, insulation 1-2h, adjust ph is 3.2-5.3, with ethanolic soln a washing after suction filtration, 80-120 DEG C is dried to constant weight, obtain material b, then material b is heated to 120-150 DEG C, insulation 1-3h, then in material b, sodium lauryl sulphate is added, adjust ph is 6.5-7.2, material c is obtained after suction filtration, material c ethanolic soln b is washed, 80-120 DEG C is dried to constant weight, obtain modified nano-titanium dioxide.
8. the water-repellent preservation according to any one of claim 1-7 is coated with, and it is characterized in that, the mass ratio of nano titanium dioxide powder, aluminum nitrate solution, urea and sodium lauryl sulphate is 3.1-8.2:4.6-7.9:2.3-6.4.
9. the water-repellent preservation according to any one of claim 1-8 is coated with, and it is characterized in that, the concentration of ethanolic soln a is 0.5-2.5wt%, and the concentration of ethanolic soln b is 3.2-5.6wt%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510387859.7A CN104987831A (en) | 2015-06-30 | 2015-06-30 | Water-based anticorrosive paint |
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| CN201510387859.7A CN104987831A (en) | 2015-06-30 | 2015-06-30 | Water-based anticorrosive paint |
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| CN104987831A true CN104987831A (en) | 2015-10-21 |
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| CN105820745A (en) * | 2016-04-19 | 2016-08-03 | 滁州环球聚氨酯科技有限公司 | High-adhesive-force polyurethane building water-resistant paint |
| CN105860798A (en) * | 2016-04-19 | 2016-08-17 | 滁州环球聚氨酯科技有限公司 | High-strength modified polyurethane metallic paint |
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| CN107674572A (en) * | 2017-11-13 | 2018-02-09 | 清远市蓝林新材料有限公司 | Damp-proof and moth-proof combined polyether glycol material for imitation wood furniture and preparation method thereof |
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| CN109275660A (en) * | 2018-09-03 | 2019-01-29 | 新昌县云河虫害防治技术开发有限公司 | The preparation method of honey white-out agent |
| CN111925696A (en) * | 2020-07-31 | 2020-11-13 | 江苏华夏制漆科技有限公司 | Long-acting heavy-duty anticorrosive coating |
| CN112574655A (en) * | 2020-11-28 | 2021-03-30 | 安徽实力环保科技有限公司 | Preparation method of surface coating for glass fiber reinforced plastics with anti-ultraviolet effect |
| CN112574655B (en) * | 2020-11-28 | 2021-12-31 | 安徽实力环保科技有限公司 | Preparation method of surface coating for glass fiber reinforced plastics with anti-ultraviolet effect |
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