CN109439090A - A kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof - Google Patents
A kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof Download PDFInfo
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- CN109439090A CN109439090A CN201811300625.4A CN201811300625A CN109439090A CN 109439090 A CN109439090 A CN 109439090A CN 201811300625 A CN201811300625 A CN 201811300625A CN 109439090 A CN109439090 A CN 109439090A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The present invention relates to a kind of corrosion-resistant quick dried environment protection water paints and preparation method thereof, which includes following raw material: water-base epoxy ester resin, aqueous acrylic emulsion, environmentally friendly solvent, drier, neutralizer, dispersing agent, defoaming agent, substrate wetting agents, anti-settling agent, deionized water, thickener, anti-flash rusting agent, coalescing agent, pigment, barium sulfate, nano diatomite.The water paint selects water-based system, and VOC≤100g/L, smell is very low, reduces environmental pollution, and reduces to human injury, is easy to construct, and has higher anti-corrosive properties, and rate of drying is fast, can meet the requirements of water pump coating.
Description
Technical field
The present invention relates to water paint fields more particularly to a kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof.
Background technique
Since 21 century, China's water pump industry development environment is good, so that water pump production industry status is quickly grown.According to
ASSOCIATE STATISTICS shows that country's pump industry is increased with annual 11%~12% speed, and higher than the growth rate of world's pump industry, this is mainly obtained
Beneficial to the continuous expansion of domestic market graduallyd mature with demand.But since pump housing Long Term Contact contains the water such as acid, alkali, salt
Or other liquid mediums do not take correct safeguard procedures but so that pump housing surface easily occur more serious corrosion phenomenon from
And iron and steel resource is caused to waste.Existing water pump means of defence is exactly to reach in pump housing external coating solvent based coating (paint)
Protect purpose.The use of paint can not only have an impact the health of coating brushing person, and painting discharged VOCs can also be to ring
It causes seriously to pollute in border.Ecological environment sharply deteriorates at present, and country puts into effect environmental protection policy again and again, so using less toxic low pollution
Water paint is inexorable trend.However using environment-friendly type aqueous protective paint, application is generally relatively worse than solvent type in harsh environment.
Summary of the invention
In harsh environment for the height of VOCs content existing for water pump solvent based coating currently on the market, aqueous protective paint
Poor problem is showed, the present invention provides a kind of corrosion-resistant quick dried environment protection water paint.
And the present invention also provides the preparation methods of above-mentioned corrosion-resistant quick dried environment protection water paint.
To achieve the above object of the invention, the embodiment of the present invention adopts the technical scheme that
A kind of corrosion-resistant quick dried environment protection water paint, the raw material including following parts by weight proportion:
Inventive formulation regard water-base epoxy ester resin and aqueous acrylic emulsion cooperation as main film forming substance, wherein water
Property epoxy ester resin be mainly used for increase protective paint corrosion resistance, the rate of drying of paint film is slower when its content is higher, though
Drier is so added can accelerate rate of drying to a certain extent, but still undesirable, and slow drying speed then has and painting moisture
Corrosion just is generated to water pump surface in film drying process, and promotes water pump in the further corrosion of use process in future.But it reduces
The content of water-base epoxy ester resin can then reduce the corrosion resistance of paint film, and paint film is lost, and equally lose the guarantor to water pump
Shield effect.The present invention comprehensively considers above-mentioned factor, other environmentally friendly components of reasonable selection simultaneously adjust the ratio between each component, both greatly
It reduces VOCs greatly, reduce that environmental pollution, smell is low, is easy to labour protection in work progress, and keep paint film with higher
Anti-corrosive properties, water resistance, and paint film rate of drying is fast.Nano diatomite is additionally used in formula, substantially increases the hardness of paint film
And wearability, so that product is preferably met the requirements of water pump coating.
Preferably, the dispersing agent is the copolymer, aqueous dispersing agent of the affinity groups containing pigment.Such dispersing agent can be prevented
Only pigment flocculation stabilizes the form and aspect of coating and tinting strength, tinting power, increases the storage stability of system, reduces the viscous of abrasive
Degree.In the presence of having pigment in formula, the phenomenon that loose colour or floating can be reduced.Such as the BYK- of German Bi Ke company
190 and Shanghai Tian Yu Chemical Industry Science Co., Ltd P30 is free of any organic solvent, is suitable for aqueous systems of the invention.
Preferably, the anti-settling agent is montmorillonitic clay.Such anti-settling agent is under stirring by the effect of shearing force, energy
Best gel state is enough formed, so that the sedimentation of other compositions in formula is prevented, such as hamming this bentonite BENTONE EW.
Preferably, the coalescing agent is alcohol ester 12.Alcohol ester 12 is environmentally friendly auxiliary agent, and minimum film forming can be effectively reduced
Temperature, the scrub resistance for improving coating, the filming performance for being obviously improved coating, glossiness, intensity and the anti-powder for improving coating
Change performance, and levelability can be promoted, meanwhile, both coalescing agents also have excellent wet film performance, improve the weather-proof of coating
Property and color developing.
Preferably, the environmentally friendly solvent is ethylene glycol monobutyl ether, is excellent solvent and surface energy activating agent, has good
Dissolving power and toxicity it is low, moreover it is possible to increase dispersion effect of the pigment in coating.
Preferably, the neutralizer is dimethylethanolamine.Dimethylethanolamine is a kind of efficient amine neutralizer, effectively
Regulation system pH value, being used for coating has the advantages that low smell, low volatility, and can assign system good pH stability,
Have it is good help pigment-dispersing, can promote gloss of film show and the raising of covering power.
The defoaming agent is aqueous defoamer, is suitable for water prescription, as used additives Tego- is made in the deaeration of Digao TEGO
902w can prevent microvesicle and Ju Pao, and be suitable for airless spraying or showering formula, have high-compatibility, be less prone to surface and lack
It falls into.
The substrate wetting agents are the esters of acrylic acid wetting agent of fluorine richness.Such substrate wetting agents has excellent shrinkproof
Pore performance and levelling effect can be improved ground wetting, and do not influence ply adhesion, such as the EFKA-3580 of Efka.
The thickener is association thickener, such thickener has good resist sagging performance, is used for high glaze body
Sagging phenomenon can be reduced as far as in system in coating process, keeps smearing more flat and smooth, as Guangzhou pine tail trade is limited
Company 0620.
The pigment is the mixture of titanium dioxide and water colo(u)r.
Preferably, the titanium dioxide is rutile type titanium white.Rutile type titanium white has excellent whiteness, covering power
And durability, it can achieve best gloss, and compared with other kinds of titanium dioxide, there is superior weatherability, such as mountain
The eastern abundant emerging R-818 in Jinan.
The above components interaction has the corrosion-resistant quick dried environment protection water paint prepared by above-mentioned formula excellent
Adhesive force, impact resistance, hardness, water resistance and salt fog resistance, and drying time is short, VOC content is low, the feature of environmental protection is good.
And the present invention also provides the preparation methods of above-mentioned corrosion-resistant quick dried environment protection water paint.The preparation method is at least wrapped
Include following steps:
Step a, weigh each raw material component according to the formula of above-mentioned corrosion-resistant quick dried environment protection water paint, under stirring to
The environmentally friendly solvent, drier, the neutralizer of 50~60% formula ratios, 50~60% are sequentially added in the aqueous epoxy resins
The deionized water of formula ratio, dispersing agent, the defoaming agent of 50~60% formula ratios, pigment, barium sulfate, nano diatomite, anti-settling agent,
The substrate wetting agents of anti-flash rusting agent and 12~20% formula ratios are uniformly mixed；
Step b, step a resulting material is ground, makes solid content fineness≤25 μm in material；
Step c, under stirring, the aqueous acrylic emulsion is successively added into the material after grinding, residue is gone
Ionized water, remaining neutralizer, remaining defoaming agent, coalescing agent, remaining substrate wetting agents, are uniformly mixed；
Step d, adjusting -4 glasss of viscosity of painting of viscosity to 25 DEG C with the thickener is 70s~80s, and stirring is equal to mixing
It is even to get.
The preparation method of corrosion-resistant quick dried environment protection water paint provided by the invention is easy to operate, is suitable for mass production operation.
By milled processed, can by mixture agglomeration or bulky grain refine, keep mixture finer and smoother, to make to paint
The finer and smoother densification of film, reaches better protection effect, is more suitable for the coating of water pump.
Preferably, the mixing speed of stirring described in step a and/or step c is 900~1200r/min, is stirred at this
Mixing to carry out mixing under speed can be such that each raw material is faster evenly dispersed in deionized water, avoid agglomerating in adition process.
It is uniformly mixed described in step a and/or step c as with the speed of 400~600r/min stirring 15~25 minutes, preferred stirring
Speed and time can make raw material components mix more evenly, be unlikely to that speed is excessively slow or the time is too short and it is uneven to mix, or speed
It spends fast, overlong time and stirs into bubble.
Preferably, the corrosion-resistant quick dried environment protection water paint for spray when, before use be added be equivalent to obtained by step d at
The deionized water of quality 5~10% is uniformly mixed.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting the present invention.
Embodiment 1
The embodiment of the present invention provides a kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof, including following parts by weight
The raw material of proportion:
Wherein water-base epoxy ester resin is Changzhou Guang Shu Chemical Industry Science Co., Ltd GS-5000B resin, aqueous acrylamide yogurt
Liquid is 0612 lotion of Wanhua Chemical Group Co., Ltd., and dispersing agent is the BYK-190 of Bi Ke company, Germany, and defoaming agent is enlightening
Used additives Tego-902w is made in the deaeration of high TEGO, and substrate wetting agents are the EFKA-3580 of Efka, this is swollen for hamming for anti-settling agent
Moisten soil BENTONE EW, thickener is the 0620 of Guangzhou Song Wei trade Co., Ltd, and anti-flash rusting agent is the abundant chemical science and technology in Shanghai field
Co., Ltd D1600, rutile type titanium white are the abundant emerging R-818 of Jinan, Shandong Province, and phthalocyanine blue is phthalocyanine blue G. type, and dark green is
Phthalocyanine green G type.
Above-mentioned corrosion-resistant quick dried environment protection water paint the preparation method comprises the following steps:
Step a, each raw material component is weighed according to the formula of above-mentioned corrosion-resistant quick dried environment protection water paint, in stirring for 900r/min
It mixes and sequentially adds the environmentally friendly solvent, drier, neutralizer, 50% formula ratio under state into the aqueous epoxy resins
Ionized water, dispersing agent, defoaming agent, pigment, barium sulfate, nano diatomite, anti-settling agent, anti-flash rusting agent and 20% formula ratio go from
Sub- water is stirred 25 minutes with the speed of 400r/min and is allowed to uniformly mixed；
Step b, step a resulting material is ground, makes solid content fineness≤25 μm in material；
Step c, under the stirring of 900r/min, the aqueous acrylamide yogurt is successively added into the material after grinding
Liquid, remaining deionized water, neutralizer, defoaming agent, coalescing agent, substrate wetting agents, are stirred 25 minutes with the speed of 400r/min
It is allowed to uniformly mixed；
Step d, adjusting -4 glasss of viscosity of painting of viscosity to 25 DEG C with the thickener is 70s, and stirring is to being uniformly mixed, i.e.,
?.
When for spraying, the deionized water for being equivalent to final product quality 5% obtained by step d being added before use, is being uniformly mixed
?.
Embodiment 2
The embodiment of the present invention provides a kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof, including following parts by weight
The raw material of proportion:
Wherein water-base epoxy ester resin is Changzhou Guang Shu Chemical Industry Science Co., Ltd GS-5000B resin, aqueous acrylamide yogurt
Liquid is 0612 lotion of Wanhua Chemical Group Co., Ltd., and dispersing agent is Shanghai Tian Yu Chemical Industry Science Co., Ltd P30, defoaming
Agent is that the defoaming of Bi Ke company, Germany acts on auxiliary agent B YK-028, and substrate wetting agents are the EFKA-3580 of Efka, and anti-settling agent is
Hamming this bentonite BENTONE EW, thickener are Guangzhou Song Wei trade Co., Ltd 0620, and anti-flash rusting agent is Shanghai Tian Yuhua
Work Science and Technology Ltd. D1600, rutile type titanium white are the abundant emerging R-818 of Jinan, Shandong Province, and phthalocyanine blue is phthalocyanine blue G. type, phthalein
Viridescent is phthalocyanine green G type.
Above-mentioned corrosion-resistant quick dried environment protection water paint the preparation method comprises the following steps:
Step a, each raw material component is weighed according to the formula of above-mentioned corrosion-resistant quick dried environment protection water paint, 1000r/min's
The environmentally friendly solvent, drier, neutralizer, 55% formula ratio are sequentially added under stirring into the aqueous epoxy resins
Deionized water, dispersing agent, defoaming agent, pigment, barium sulfate, nano diatomite, anti-settling agent, anti-flash rusting agent and 15% formula ratio are gone
Ionized water is stirred 20 minutes with the speed of 500r/min and is allowed to uniformly mixed；
Step b, step a resulting material is ground, makes solid content fineness≤25 μm in material；
Step c, under the stirring of 1100r/min, the water soluble acrylic acid is successively added into the material after grinding
Lotion, remaining deionized water, neutralizer, defoaming agent, coalescing agent, substrate wetting agents, stir 20 points with the speed of 500r/min
Clock is allowed to uniformly mixed；
Step d, adjusting -4 glasss of viscosity of painting of viscosity to 25 DEG C with the thickener is 75s, and stirring is to being uniformly mixed, i.e.,
?.
When for spraying, the deionized water for being equivalent to final product quality 7% obtained by step d being added before use, is being uniformly mixed
?.
Embodiment 3
The embodiment of the present invention provides a kind of corrosion-resistant quick dried environment protection water paint and preparation method thereof, including following parts by weight
The raw material of proportion:
Wherein water-base epoxy ester resin is Changzhou Guang Shu Chemical Industry Science Co., Ltd GS-5000B resin, aqueous acrylamide yogurt
Liquid is 0612 lotion of Wanhua Chemical Group Co., Ltd., and dispersing agent is the BYK-190 of Bi Ke company, Germany, and defoaming agent is enlightening
Used additives Tego-902w, substrate wetting agents EFKA-3580 are made in the deaeration of high TEGO, and anti-settling agent is this bentonite of hamming
BENTONE EW, thickener are Guangzhou Song Wei trade Co., Ltd 0620, and anti-flash rusting agent is the limited public affairs of the abundant chemical science and technology in Shanghai field
D1600 is taken charge of, rutile type titanium white is the abundant emerging R-818 of Jinan, Shandong Province, and phthalocyanine blue is phthalocyanine blue G. type, and dark green is dark green
G. type.
Above-mentioned corrosion-resistant quick dried environment protection water paint the preparation method comprises the following steps:
Step a, each raw material component is weighed according to the formula of above-mentioned corrosion-resistant quick dried environment protection water paint, 1200r/min's
The environmentally friendly solvent, drier, neutralizer, 60% formula ratio are sequentially added under stirring into the aqueous epoxy resins
Deionized water, dispersing agent, defoaming agent, pigment, barium sulfate, nano diatomite, anti-settling agent, anti-flash rusting agent and 12% formula ratio are gone
Ionized water is stirred 15 minutes with the speed of 600r/min and is allowed to uniformly mixed；
Step b, step a resulting material is ground, makes solid content fineness≤25 μm in material；
Step c, under the stirring of 1200r/min, the water soluble acrylic acid is successively added into the material after grinding
Lotion, remaining deionized water, neutralizer, defoaming agent, coalescing agent, substrate wetting agents, stir 15 points with the speed of 600r/min
Clock is allowed to uniformly mixed；
Step d, adjusting -4 glasss of viscosity of painting of viscosity to 25 DEG C with the thickener is 80s, and stirring is to being uniformly mixed, i.e.,
?.
When for spraying, the deionized water for being equivalent to final product quality 10% obtained by step d being added before use, is being uniformly mixed
?.
Embodiment 4
Using it is commercially available using aqueous epoxy resins and aqueous acrylic emulsion as the corrosion-resistant fast-drying aqueous paint of principal component as
The product of Examples 1 to 3 and comparative example are carried out performance comparison, the results are shown in Table 1 by comparative example.
Table 1
| Project | The method of inspection | Embodiment 1 | Embodiment 2 | Embodiment 3 | The competing product of industry |
| Adhesive force | GB/T 9286 | 1 grade | 1 grade | 1 grade | 2 grades |
| Impact resistance | GB/T 1732 | 50cm | 50cm | 50cm | 40cm |
| Pencil hardness | GB/T 6739 | H | HB | H | B |
| Water resistance | GB/T 1733 | 720 hours | 720 hours | 720 hours | 360 hours |
| Salt fog resistance | GB/T 1771 | 96 hours | 96 hours | 96 hours | 48 hours |
| Surface drying time | / | ≤7min | ≤7min | ≤7min | Greater than 10min |
| Do solid work the time | / | ≤18h | ≤18h | ≤18h | Greater than for 24 hours |
By the test result in table 1 as it can be seen that having after the corrosion-resistant quick dried environment protection water paint film forming of each embodiment better than row
The adhesive force of like products, impact resistance, hardness, water resistance and salt fog resistance in the industry, and surface drying time and to do solid work the time shorter,
It is more suitable for the coating of water pump.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of corrosion-resistant quick dried environment protection water paint, it is characterised in that: the raw material including following weight percent:
2. corrosion-resistant quick dried environment protection water paint according to claim 1, it is characterised in that: the dispersing agent is containing pigment parent
With the copolymer, aqueous dispersing agent of group.
3. corrosion-resistant quick dried environment protection water paint according to claim 1, it is characterised in that: the anti-settling agent is viscous for montmorillonite
Soil.
4. corrosion-resistant quick dried environment protection water paint according to claim 1, it is characterised in that: the coalescing agent is alcohol ester ten
Two.
5. corrosion-resistant quick dried environment protection water paint according to claim 1, it is characterised in that: the environmentally friendly solvent is ethylene glycol
Monobutyl ether.
6. corrosion-resistant quick dried environment protection water paint according to claim 1, it is characterised in that: the neutralizer is dimethyl second
Hydramine；And/or
The defoaming agent is aqueous defoamer；And/or
The substrate wetting agents are the esters of acrylic acid wetting agent of fluorine richness；And/or
The thickener is association thickener；And/or
The pigment is the mixture of titanium dioxide and water colo(u)r.
7. corrosion-resistant quick dried environment protection water paint according to claim 6, it is characterised in that: the titanium dioxide is rutile-type
Titanium dioxide.
8. a kind of preparation method of corrosion-resistant quick dried environment protection water paint, which comprises the following steps:
Step a, each raw material component is weighed according to the formula of any one of the claim 1~7 corrosion-resistant quick dried environment protection water paint,
The environmentally friendly solvent, drier, 50~60% formula ratios are sequentially added under stirring into the aqueous epoxy resins
Neutralizer, dispersing agent, the defoaming agent of 50~60% formula ratios, pigment, barium sulfate, is received the deionized water of 50~60% formula ratios
Rice diatomite, anti-settling agent, anti-flash rusting agent and 12~20% formula ratios substrate wetting agents, be uniformly mixed；
Step b, step a resulting material is ground, makes solid content fineness≤25 μm in material；
Step c, under stirring, the aqueous acrylic emulsion, remaining deionization are successively added into the material after grinding
Water, remaining neutralizer, remaining defoaming agent, coalescing agent, remaining substrate wetting agents, are uniformly mixed；
Step d, adjusting -4 glasss of viscosity of painting of viscosity to 25 DEG C with the thickener is 70s~80s, and stirring is to being uniformly mixed, i.e.,
?.
9. preparation method according to claim 8, it is characterised in that: stirring described in step a and/or step c
Mixing speed is 900~1200r/min；And/or
It is uniformly mixed described in step a and/or step c as with the speed of 400~600r/min stirring 15~25 minutes.
10. preparation method according to claim 8, it is characterised in that: when corrosion-resistant quick dried environment protection water paint is used to spray,
The deionized water for being equivalent to final product quality 5~10% obtained by step d is being added before use, is being uniformly mixed.
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Application publication date: 20190308 |