CN104004440A - Waterborne epoxy anticorrosive paint with modified vermiculite being used as functional filler and preparation method thereof - Google Patents
Waterborne epoxy anticorrosive paint with modified vermiculite being used as functional filler and preparation method thereof Download PDFInfo
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Abstract
The invention relates to waterborne epoxy anticorrosive paint with modified vermiculite being used as functional filler and a preparation method thereof. The anticorrosive paint is composed of waterborne epoxy resin emulsion, rust resisting pigment, modified vermiculite, normal filler, a dispersing agent, a flatting agent, an antifoaming agent, a pH modifier N, N-dimethylethanolamine, a thickening agent and the balance deionized water according to the mass percent, wherein the rust resisting pigment is zinc phosphate or aluminium triphosphate or ferrotitanium powder or iron oxide red, and the normal filler is talcum powder or barium sulfate or carbon black. The monified vermiculite is used for preparation, the steps for preparing the waterborne expoxy anticorrosive paint are achieved, the modified vermiculite is used as anticorrosive functional filler, the nano stratified structure and heat stability are used for improving the anticorrosive performance and the heat resistance performance of the coat. The waterborne epoxy anticorrosive paint is excellent in comprehensive performance and capable of meeting the demand for corrosion prevention of a storage tank, a pipeline, a bridge and the like.
Description
Technical field
The present invention relates to technical field of coatings, be specifically related to a kind of water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing and preparation method thereof of take.
Background technology
Most of heavy-duty coating used all belongs to solvent based coating in the market, and the volatile organic matter wherein containing (VOC) has very high toxicity and combustibility, easily atmosphere and HUMAN HEALTH is threatened.According to statistics, the organic solvent that current China wide important topic in paint industry enters atmosphere is every year about 1,000,000 tons, not only serious environment pollution, and waste ample resources.In addition, the gathering of a large amount of VOC also can bring potential safety hazard.In construction, occurred at present blast and the personnel casualty accidents that in number cause solvent-borne type protective system, volatile organic matter causes, 100,000 m were being built in Dushanzi one such as 2006
3crude oil storage tank is blasted in painting anticorrosion coating process, causes the injured miserable accident of dead 12 people of 12 people, and its reason is exactly a large amount of VOC volatilization gathering generation quick-fried the causing of sudden strain of a muscle in coating.Water-borne coatings is to replace the organic solvent in solvent based coating with water, and maximum feature is that VOC content reduces greatly, has reached the object of environmental protection, is one of Main Trends of The Development of current protective system.The countries and regions such as the U.S., Japan, Europe have started to promote the use of water-based anticorrosive paint on a large scale, use water-based anticorrosive paint to account for the more than 50% of total protective system amount, and produce and use China of big country only in 10% left and right as protective system.Therefore, the development and application of high-performance water-based protective system is imperative.
The application of functional stuffing also has a significant impact for the performance that improves protective system.Conventional anti-corrosion function filler has mica, modified alta-mud, talcum powder, iron mica, glass flake, zinc powder etc. at present; its major function is exactly mainly to play the effect of the anticorrosion and Chemical Preservation of physics; such as mica, scale etc. is that the lateral distribution in filming plays " labyrinth effect " by lamella, zinc powder etc. are to realize rot-resistant object by galvanic protection.Vermiculite is a kind of silicate minerals material with nanometer laminated structure, and its nanoscale twins is very abundant, and can be by peeling off, the technology such as intercalation etc. carries out modification to it.Simultaneously vermiculite also has Heat stability is good, chemical stability advantages of higher, very potentially as functional stuffing, is applied in water-based anticorrosive paint.
Chinese patent 200610022262.3 and Chinese Patent Application No. 201310483447.4 disclose respectively a kind of non expansion type steel structure fire retarding anticorrosion paint and water-based heat insulation anticorrosion paint, in its formula system, all adopted expanded vermiculite, but its objective is and utilize the low heat conductivity of expanded vermiculite as fire-proof and thermal-insulation filler, but not as anti-corrosion function filler.
Summary of the invention
The object of the invention is to provide a kind of water-based anticorrosive paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing and preparation method thereof of take, this protective system is by raw material aqueous epoxy resin emulsion by mass percentage, rust-stabilising pigment is zinc phosphate, aluminium triphosphate, ferrotitanium powder or red iron oxide, PERFORMANCE OF MODIFIED VERMICULITE, common fillers is talcum powder, barium sulfate or carbon black, dispersion agent, flow agent, defoamer, pH adjusting agent N, N-dimethylethanolamine, thickening material and deionized water surplus are made, adopt preparation PERFORMANCE OF MODIFIED VERMICULITE, preparing water-based anticorrosive paint step completes, PERFORMANCE OF MODIFIED VERMICULITE is anti-corrosion function filler, utilize its nanometer laminated structure and thermostability to improve Corrosion Protection and the resistance toheat of coating.This coating high comprehensive performance, can meet the rot-resistant needs such as storage tank, pipeline, bridge.
A kind of water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing of take of the present invention, this protective system is by raw material aqueous epoxy resin emulsion 25-50% by mass percentage, rust-stabilising pigment is one or both 10-30% in zinc phosphate, aluminium triphosphate, ferrotitanium powder or red iron oxide, PERFORMANCE OF MODIFIED VERMICULITE 5-15%, common fillers is talcum powder, barium sulfate or carbon black 5-15%, dispersion agent 0.5-1%, flow agent 0.1-0.5%, defoamer 0.5-1.5%, pH adjusting agent N, N-dimethylethanolamine 0.5-3%, thickening material 0.5-2%, deionized water surplus is made.
Described preparation method of take the water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing, follows these steps to carry out:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
A, select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 200-300 order, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of hydrochloric acid, nitric acid or sulfuric acid that 2-10mol/L is housed, under rapid stirring, being warming up to 80 ℃ processes 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join in the flask that Silane coupling agent KH550, KH560 or KH570 are housed, under rapid stirring, be warming up to 50-100 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
B, by raw material aqueous epoxy resin emulsion 25-50% by mass percentage, dispersion agent 0.5-1%, pH adjusting agent N, N-dimethylethanolamine 0.5-3% and part deionized water add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate, aluminium triphosphate, one or both 10-30% in ferrotitanium powder or red iron oxide, the PERFORMANCE OF MODIFIED VERMICULITE 5-15% that step a obtains, common fillers is talcum powder, barium sulfate or carbon black 5-15%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 0.5-1.5%, flow agent 0.1-0.5%, thickening material 0.5-2%, after fully stirring, use residue deionized water adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample.
Aqueous epoxy resin emulsion described in step a is the aqueous epoxy resin emulsion AE605 of single-component or the aqueous epoxy resin emulsion AB-EP-20 of two-pack.
In step a, the consumption of Silane coupling agent KH550, KH560 or KH570 accounts for the 0.5%-5% of vermiculite power quality.
Preparation method of take the water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing of the present invention, wherein each raw material is all commercially available prod, and wherein dispersion agent is RITER company, and code name is W-6320; Flow agent is RITER company, and code name is W-5175; Defoamer is RITER company, and code name is W-7100; Thickening material is RITER company, and code name is W-7100; Aqueous epoxy resin emulsion is the aqueous epoxy resin emulsion AE605 of single-component or the aqueous epoxy resin emulsion AB-EP-20 of two-pack, when adopting bicomponent epoxy resin emulsion, need be used in conjunction with solidifying agent; Adopt single-component water-based epoxy resin latex, the coating sample thin up obtaining can be used.
Compared with prior art, its feature is in the present invention:
1, PERFORMANCE OF MODIFIED VERMICULITE nano-lamellar structure is good, thermostability is high, in aqueous epoxy resins, easily disperses, and anticorrosion with coat performance improves significantly, and the resistance toheat of coating is also strengthened simultaneously;
2, PERFORMANCE OF MODIFIED VERMICULITE preparation method is simple, cheap;
3, coating color stuffing system environment-protecting asepsis, the development trend of composite coating industry environmental protection.
Embodiment
Below by specific embodiment, the present invention is further elaborated.Should be understood that following examples are only for technical scheme of the present invention and technique effect are described, but not protection scope of the present invention is limited.
Embodiment 1
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 200 orders, obtain vermiculite power, again vermiculite power is joined in the flask that 5mol/L sulphuric acid soln is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 0.5% the flask that silane coupling agent KH570 accounts for vermiculite power quality, under rapid stirring, be warming up to 60 ℃ and process 1 hour, obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 45% by mass percentage, dispersion agent 0.5%, pH adjusting agent N, N-dimethylethanolamine 2% and part deionized water 10% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 12% and aluminium triphosphate 8%, the PERFORMANCE OF MODIFIED VERMICULITE 5% that step a obtains, common fillers is barium sulfate 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1%, flow agent 0.3%, thickening material 1.2%, after fully stirring, use residue deionized water 5% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 352h.
Embodiment 2:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the hydrochloric acid that 2mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 1% the flask that Silane coupling agent KH550 accounts for vermiculite power quality, under rapid stirring, be warming up to 50 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 25% by mass percentage, dispersion agent 1%, pH adjusting agent N, N-dimethylethanolamine 3% and part deionized water 5% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 20% and aluminium triphosphate 10%, the PERFORMANCE OF MODIFIED VERMICULITE 15% that step a obtains, common fillers is talcum powder 15%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1.5%, flow agent 0.5%, thickening material 2%, after fully stirring, use residue deionized water 2% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample.
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 381h.
Embodiment 3:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 200 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the nitric acid that 8mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 3% the flask that Silane coupling agent KH550 accounts for vermiculite power quality, under rapid stirring, be warming up to 70 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 35% by mass percentage, dispersion agent 0.8%, pH adjusting agent N, N-dimethylethanolamine 2% and part deionized water 7% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 15% and ferrotitanium powder 10%, the PERFORMANCE OF MODIFIED VERMICULITE 15% that step a obtains, common fillers is carbon black 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1%, flow agent 0.5%, thickening material 1.2%, after fully stirring, use residue deionized water 2.5% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 367h.
Embodiment 4:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the sulfuric acid that 10mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 5% the flask that silane coupling agent KH560 accounts for vermiculite power quality, under rapid stirring, be warming up to 70 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material double-component aqueous epoxy resin latex AB-EP-20 45% by mass percentage, dispersion agent 1%, pH adjusting agent N, N-dimethylethanolamine 1.5% and part deionized water 8% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 12% and red iron oxide 8%, the PERFORMANCE OF MODIFIED VERMICULITE 15% that step a obtains, common fillers is barium sulfate 5%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1.3%, flow agent 0.4%, thickening material 0.8%, after fully stirring, use residue deionized water 2% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By the protective system sample obtaining and solidifying agent, (Shanghai Chinese light, H202B) mixes according to 3:1 ratio, then adds deionized water and stirring even, brushes test plate (panel), salt spray resistance test result 821h.
Embodiment 5:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the sulfuric acid that 10mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 4% the flask that silane coupling agent KH570 accounts for vermiculite power quality, under rapid stirring, be warming up to 80 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 50% by mass percentage, dispersion agent 1%, pH adjusting agent N, N-dimethylethanolamine 3% and part deionized water 18% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 8 and ferrotitanium powder 2%, the PERFORMANCE OF MODIFIED VERMICULITE 5% that step a obtains, common fillers is barium sulfate 5%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 0.5%, flow agent 0.1%, thickening material 0.5%, after fully stirring, use residue deionized water 6.9% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 372h.
Embodiment 6:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the hydrochloric acid that 4mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 3% the flask that Silane coupling agent KH550 accounts for vermiculite power quality, under rapid stirring, be warming up to 100 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 40% by mass percentage, dispersion agent 0.8%, pH adjusting agent N, N-dimethylethanolamine 2.5% and part deionized water 6% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 25%, the PERFORMANCE OF MODIFIED VERMICULITE 10% that step a obtains, common fillers is talcum powder 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1%, flow agent 0.3%, thickening material 1%, after fully stirring, use residue deionized water 3.4% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 367h.
Embodiment 7:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 200 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the nitric acid that 4mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 3.5% the flask that silane coupling agent KH570 accounts for vermiculite power quality, under rapid stirring, be warming up to 75 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 35% by mass percentage, dispersion agent 1%, pH adjusting agent N, N-dimethylethanolamine 2% and part deionized water 15% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is red iron oxide 15%, the PERFORMANCE OF MODIFIED VERMICULITE 13% that step a obtains, common fillers is carbon black 12%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 0.8%, flow agent 0.2%, thickening material 1%, after fully stirring, use residue deionized water 5% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 342h.
Embodiment 8:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the hydrochloric acid that 4mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 3% the flask that Silane coupling agent KH550 accounts for vermiculite power quality, under rapid stirring, be warming up to 100 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 40% by mass percentage, dispersion agent 0.8%, pH adjusting agent N, N-dimethylethanolamine 2.5% and part deionized water 6% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is ferrotitanium powder 20%, the PERFORMANCE OF MODIFIED VERMICULITE 15% that step a obtains, common fillers is talcum powder 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1%, flow agent 0.3%, thickening material 1%, after fully stirring, use residue deionized water 3.4% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 352h.
Embodiment 9:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
Select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 300 orders, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of the hydrochloric acid that 4mol/L is housed, under rapid stirring, be warming up to 80 ℃ and process 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join and be equipped with in 3% the flask that Silane coupling agent KH550 accounts for vermiculite power quality, under rapid stirring, be warming up to 100 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 38% by mass percentage, dispersion agent 1%, pH adjusting agent N, N-dimethylethanolamine 2.5% and part deionized water 8% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is aluminium triphosphate 22%, the PERFORMANCE OF MODIFIED VERMICULITE 12% that step a obtains, common fillers is talcum powder 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1.2%, flow agent 0.3%, thickening material 1%, after fully stirring, use residue deionized water 4% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 338h.
Embodiment 10(contrast)
Prepare water-based anticorrosive paint:
By raw material single-component water-based epoxy resin latex AE605 40% by mass percentage, dispersion agent 0.8%, pH adjusting agent N, N-dimethylethanolamine 2.5% and part deionized water 6% add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate 12%, aluminium triphosphate 8%, common fillers is barium sulfate 15%, talcum powder 10%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 1%, flow agent 0.3%, thickening material 1%, after fully stirring, use residue deionized water 3.4% adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample,
By brushing test plate (panel) after the protective system sample thin up obtaining, carry out salt spray resistance test, salt-fog resistant time is 312h.
From embodiment 10(contrast) can find out: the water-based anticorrosive paint embodiment 10(contrast) is not containing PERFORMANCE OF MODIFIED VERMICULITE composition, its antiseptic property is starkly lower than any one protective system containing PERFORMANCE OF MODIFIED VERMICULITE composition in embodiment 1-9, illustrates that PERFORMANCE OF MODIFIED VERMICULITE plays the effect being highly profitable really as anti-corrosion function filler.
Claims (4)
1. take the water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing for one kind, it is characterized in that this protective system is by raw material aqueous epoxy resin emulsion 25-50% by mass percentage, rust-stabilising pigment is one or both 10-30% in zinc phosphate, aluminium triphosphate, ferrotitanium powder or red iron oxide, PERFORMANCE OF MODIFIED VERMICULITE 5-15%, common fillers is talcum powder, barium sulfate or carbon black 5-15%, dispersion agent 0.5-1%, flow agent 0.1-0.5%, defoamer 0.5-1.5%, pH adjusting agent N, N-dimethylethanolamine 0.5-3%, thickening material 0.5-2%, deionized water surplus is made.
2. preparation method of take the water corrosion-resistant epoxy paint that PERFORMANCE OF MODIFIED VERMICULITE is functional stuffing according to claim 1, is characterized in that following these steps to carrying out:
Preparation PERFORMANCE OF MODIFIED VERMICULITE:
A, select the raw ore vermiculite that laminated structure is good, with ball mill, be crushed to 200-300 order, obtain vermiculite power, again vermiculite power is joined in the flask of acidic solution of hydrochloric acid, nitric acid or sulfuric acid that 2-10mol/L is housed, under rapid stirring, being warming up to 80 ℃ processes 2 hours, obtain sour PERFORMANCE OF MODIFIED VERMICULITE powder, by sour PERFORMANCE OF MODIFIED VERMICULITE powder after filtration, after oven dry, join in the flask that Silane coupling agent KH550, KH560 or KH570 are housed, under rapid stirring, be warming up to 50-100 ℃ and process 1 hour, can obtain PERFORMANCE OF MODIFIED VERMICULITE powder;
Prepare water-based anticorrosive paint:
B, by raw material aqueous epoxy resin emulsion 25-50% by mass percentage, dispersion agent 0.5-1%, pH adjusting agent N, N-dimethylethanolamine 0.5-3% and part deionized water add in dispersion machine stirred pot, stirring at low speed 20 minutes, then adding successively rust-stabilising pigment is zinc phosphate, aluminium triphosphate, one or both 10-30% in ferrotitanium powder or red iron oxide, the PERFORMANCE OF MODIFIED VERMICULITE 5-15% that step a obtains, common fillers is talcum powder, barium sulfate or carbon black 5-15%, stirring at low speed was dispersed to 30 μ m by slurry at high-shear sand milling after 15 minutes, then in slurry, add defoamer 0.5-1.5%, flow agent 0.1-0.5%, thickening material 0.5-2%, after fully stirring, use residue deionized water adjusting viscosity, can obtain water corrosion-resistant epoxy paint sample.
3. method according to claim 2, is characterized in that aqueous epoxy resin emulsion AE605 that described in step a, aqueous epoxy resin emulsion is single-component or the aqueous epoxy resin emulsion AB-EP-20 of two-pack.
4. method according to claim 2, is characterized in that the consumption of Silane coupling agent KH550, KH560 or KH570 in step a accounts for the 0.5%-5% of vermiculite power quality.
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| CN104403499A (en) * | 2014-11-20 | 2015-03-11 | 南宁市老永淳红木家具厂 | Water paint and preparation method thereof |
| CN105694655A (en) * | 2016-03-24 | 2016-06-22 | 湖州新奥克化工有限公司 | Environment-friendly, epoxy-resin, acid-resistant and anticorrosive coating material and preparation method thereof |
| CN105802432A (en) * | 2016-05-05 | 2016-07-27 | 广西大学 | Waterborne epoxy anticorrosive antirust paint and preparation method thereof |
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| CN104403499B (en) * | 2014-11-20 | 2016-09-07 | 南宁市老永淳红木家具厂 | A kind of water paint and preparation method thereof |
| CN105694655A (en) * | 2016-03-24 | 2016-06-22 | 湖州新奥克化工有限公司 | Environment-friendly, epoxy-resin, acid-resistant and anticorrosive coating material and preparation method thereof |
| CN105802432A (en) * | 2016-05-05 | 2016-07-27 | 广西大学 | Waterborne epoxy anticorrosive antirust paint and preparation method thereof |
| CN105802432B (en) * | 2016-05-05 | 2018-06-29 | 潍坊东方钢管有限公司 | A kind of antiseptic and rustproof paint of water-base epoxy and preparation method thereof |
| CN107903772A (en) * | 2017-12-13 | 2018-04-13 | 苏州赛斯德工程设备有限公司 | A kind of corrosion resistant boiler blower |
| CN109266177A (en) * | 2018-09-26 | 2019-01-25 | 无锡华东锌盾科技有限公司 | A kind of water-base epoxy thick-slurry type anticorrosive paint and preparation method thereof |
| CN110054961A (en) * | 2019-04-09 | 2019-07-26 | 河北晨阳工贸集团有限公司 | A kind of aqueous priming paint and preparation method thereof |
| CN112143376A (en) * | 2020-09-22 | 2020-12-29 | 沪宝新材料科技（上海）股份有限公司 | Acid rain-proof heat-insulating finishing paint for external wall and preparation method thereof |
| CN112662269A (en) * | 2020-11-20 | 2021-04-16 | 陈冬芬 | Flame-retardant epoxy floor coating and preparation method thereof |
| CN113665261A (en) * | 2021-07-27 | 2021-11-19 | 杭州中粮美特容器有限公司 | Metal package printing and coating method with special gloss effect |
| CN113665261B (en) * | 2021-07-27 | 2023-02-14 | 杭州中粮美特容器有限公司 | Metal package printing and coating method with special gloss effect |
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