CN107266944A - A kind of novel environment-friendly water-based inorganic coating and preparation method thereof - Google Patents
A kind of novel environment-friendly water-based inorganic coating and preparation method thereof Download PDFInfo
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- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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- 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
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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Abstract
The invention discloses a kind of novel environment-friendly water-based inorganic coating and preparation method thereof, its weight proportion is respectively：55 ~ 65 parts of kaolin, 12 ~ 20 parts of waterglass, 20 ~ 30 parts of titanium dioxide, 1 ~ 5 part of nano zine oxide, ultra-fine 5 ~ 10 parts of wollastonite in powder, 1 ~ 10 part of nano-calcium carbonate, ultra-fine 1 ~ 5 part of white mica powder, 7 ~ 15 parts of polyvinyl alcohol, ultra-fine 1 ~ 4 part of molybdenum disulphide powder, 2 ~ 10 parts of nano silicon, 2 ~ 12 parts of nano magnesia, 2 ~ 12 parts of nano aluminium oxide, 1 ~ 3 part of magnesium chloride, 1 ~ 3 part of waterglass accelerator for hardening, 2 ~ 5 parts of pH value regulator, 1 ~ 8 part of waterproofing agent, 6 ~ 10 parts of froth breaking levelling agent, thicken 1 ~ 3 part of anti-settling agent, 280 ~ 310 parts of water.The invention belongs to environmental-friendly aqueous inorganic coating for building, product storage stability is good, and water-alkali resistance is excellent, and adhesive force is strong, anti-flammability is good, and intensity hardness is high, scratch-resistant, stain resistant, anti-corrosive antibacterial is good, without formaldehyde, benzene homologues, volatile organic compound（VOC）And heavy metal element, it is completely environment-protecting and non-poisonous, it is adapted to industrialized production, and be easy to brush, it is convenient to construct.
Description
Technical field
The present invention relates to paint field, and in particular to a kind of novel environment-friendly water-based inorganic coating and preparation method thereof.
Background technology
Currently, most of coating used in interior decoration is emulsion paint, and emulsion paint is mainly with acrylic copolymer resin breast
Liquid is base-material, the major class synthetic resin emulsion coating by dispersant of water.Although safety non-toxic of such polymer resin itself,
But the poisonous free monomer of the unpolymerized volatile in part remained in resin and the various organic additives of addition still can be to interiors
Air is polluted, and harm is produced to health of human body.With the continuous enhancing of health of people environmental consciousness, to interior decoration coating
Environmental requirement also more and more higher.In addition, synthetic resin emulsion raw material derives from limited petroleum resources.Therefore, develop
Simple production process, low cost, the coating of new generation of safety non-toxic seem very urgent to substitute organic coating.
Inorganic coating is a kind of coating using inorganic material as main film forming substance.Inorganic coating can pass through chemical bond and wall
Face matrix material strong bonded, forms inorganic polymer corrosion-inhibiting coating, and the coating adhesion is strong, fire protection flame retarding, anticorrosive mildewproof
Good, its excellent gas permeability can keep metope dry and comfortable, and resistance to ag(e)ing is better than most of organic coatings, thus with excellent skill
Art economy.Aqueous inorganic paint is using water as decentralized medium and diluent, without toxic things such as VOC, free formaldehyde, benzene classes
Matter, it is environmentally safe, it is the green building product for complying fully with environmental requirement to human body non-hazardous.Aqueous inorganic paint with
Silicate (predominantly sodium metasilicate) aqueous solution is the binder between inorganic matter, and such coating adhesion is strong, intensity is high, alkali resistance,
It is heat-resist, but the water resistance of sodium silicate adhesive is poor, reduces the service life of the coating, greatly constrains it and is building
Build the large-scale application in paint field.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of novel environment-friendly water-based inorganic coating, the painting
Expect that storage stability is good, adhesive force is strong, toughness good, anti-corrosive antibacterial, stain resistant, anti-aging, heat-resist, environment-protecting and non-poisonous and resistance to
Water alkaline resistance properties is excellent.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of novel environment-friendly water-based inorganic coating, including following parts by weight raw material：55~65 parts of kaolin, titanium dioxide 20
~30 parts, 12~20 parts of waterglass, 1~3 part of waterglass accelerator for hardening, 1~5 part of nano zine oxide, ultra-fine wollastonite in powder 5~10
Part, 1~10 part of nano-calcium carbonate, 1~5 part of ultra-fine white mica powder, 7~15 parts of polyvinyl alcohol, 1~4 part of ultra-fine molybdenum disulphide powder,
2~10 parts of nano silicon, 2~12 parts of nano magnesia, 2~12 parts of nano aluminium oxide, 1~3 part of magnesium chloride, pH value regulation
2~5 parts of agent, 1~8 part of waterproofing agent, 6~10 parts of froth breaking levelling agent, 1~3 part of anti-settling agent of thickening, 280~310 parts of water.
Specifically, the polyvinyl alcohol is that the degree of polymerization is the polyvinyl alcohol 1799 that 1700, alcoholysis degree is 99%.
Specifically, the waterglass is sodium metasilicate or/and potassium silicate.
Specifically, the waterglass accelerator for hardening is calcium chloride.
Specifically, the pH adjusting agent is at least one of crystal aluminum chloride, aluminium polychloride, Iron trichloride hexahydrate.
Specifically, the froth breaking levelling agent is the combination of stearic acid, polyacrylate and silicone oil.
Specifically, the waterproofing agent is sodium methyl silicate.
Specifically, the thickening anti-settling agent is calcium-base bentonite or/and sodium bentonite.
It is preferred that, nano magnesia parts by weight are 2~4 times of magnesium chloride parts by weight.
Present invention also offers the preparation method of above-mentioned novel environment-friendly water-based inorganic coating, the preparation method is reasonable in design,
Step is simple, and easy to operate, controllability is strong.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of preparation method of novel environment-friendly water-based inorganic coating, comprises the following steps,
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol is added to the water, being warming up to 85 under agitation~
It is incubated after 90 DEG C, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water
In solution, stir, obtain mixed material, then by obtained mixed material in 15~35 DEG C, rotating speed be 800~1200r/
It is sanded 3~6 hours under the conditions of min, obtains the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than froth breaking levelling agent is added in water paste, and in 15~35 DEG C, rotating speed
To be sanded 2~4 hours under the conditions of 600~900r/min, the aqueous inorganic paint of environmental protection is made.
Compared with prior art, the invention has the advantages that：
(1) aqueous inorganic paint of the present invention not only has that fire protection flame retarding, antibacterial and mouldproof, film adhesive be strong, intensity hardness
The characteristics of height, anti-scratching wearproof, also with excellent water-alkali resistance performance and storage stability, without the first to human health
Aldehyde, benzene homologues, volatile organic compound (VOC) and heavy metal element, environmental protection, comply fully with the energy-conserving and environment-protective of country
It is required that, and suitable for industrialized production.
(2) present invention can effectively strengthen consolidating for aqueous inorganic paint using inorganic matter calcium chloride as the accelerator for hardening of waterglass
Change intensity.
(3) present invention improves PVA heat endurance using ultra-fine molybdenum disulphide powder as polyvinyl alcohol (PVA) reinforcing agent
And tensile strength, increase painting film strength；The antistatic of film is also improved with lubricity using the good electric conductivity of molybdenum disulfide
Property and stain resistance, strengthen film lubrication property simultaneously reduce film abrasion.
(4) present invention comprehensive utilization TiO2The photocatalysis of coupling between ZnO nanoparticle, effectively enhancing coating
The ability of degraded volatile organic matter, kills various bacteriums, can also play ultraviolet shielded effect, and the uvioresistant for improving coating is old
Change performance.
(5) present invention improves the anti-flammability of coating and resistance to using the acidproof, alkaline-resisting of ultra-fine white mica powder, resistance to elevated temperatures
Chemical corrosivity, also using muscovite it is special lamellar structure formation dense protective layer, improve film mechanical strength with
Toughness, prevents film cracking and efflorescence, strengthens the water impermeability of film；Moreover it is possible to improve the covering power of coating, reduce high
The consumption of valency pigment, reduce cost.
(6) present invention is with chemical property more gentle lewis acid (crystal aluminum chloride, aluminium polychloride, six water chlorinations
Iron) as the pH value regulator of water paint slurry, the simple controllable, safety and environmental protection of process.
(7) present invention utilizes the silanol base and water in its molecular structure using sodium methyl silicate as inorganic coating waterproofing agent
Dehydrated crosslinking reaction between silanol base in glass, forms excellent hydrophobic layer, increases the compactness of film, so as to realize height
Imitate waterproof effect.
(8) present invention forms magnesia cement with magnesium chloride using the magnesia of specified quantitative in coating, and nothing can be greatly improved
Intensity, hardness, water-resistance and the adhesive force of machine coating.
Embodiment
With reference to embodiment, the invention will be further described, and mode of the invention includes but are not limited to following implementation
Example.
Embodiment 1
A kind of novel environment-friendly water-based inorganic coating, including following parts by weight raw material：50 parts of kaolin, 30 parts of titanium dioxide,
12 parts of sodium metasilicate, 1 part of calcium chloride, 3 parts of nano zine oxide, 10 parts of ultra-fine wollastonite in powder, 8 parts of nano-calcium carbonate, ultra-fine muscovite
2 parts of powder, polyvinyl alcohol 1799 have 14 parts, 4 parts of ultra-fine molybdenum disulphide powder, 6 parts of nano silicon, nano magnesia 4 part, nanometer
6 parts of aluminum oxide, 1 part of magnesium chloride, 3 parts of crystal aluminum chloride, 3 parts of sodium methyl silicate, 10 parts of froth breaking levelling agent are (in froth breaking levelling agent
The mass ratio of stearic acid, polyacrylate and silicone oil is 3:2:5), 2 parts of sodium bentonite, 290 parts of water.
The preparation method of above-mentioned novel environment-friendly water-based inorganic coating, comprises the following steps,
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol 1799 is added to the water, it is warming up under agitation
It is incubated after 87 DEG C, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water
In solution, stir, obtain mixed material, then by obtained mixed material under the conditions of 15 DEG C, rotating speed are 1200r/min sand
Mill 6 hours, obtains the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than froth breaking levelling agent is added in water paste, and in 35 DEG C, rotating speed it is
It is sanded 2 hours under the conditions of 600r/min, the aqueous inorganic paint of environmental protection is made.
Embodiment 2
A kind of novel environment-friendly water-based inorganic coating, including following parts by weight raw material：58 parts of kaolin, 28 parts of titanium dioxide,
15 parts of potassium silicate, 2 parts of calcium chloride, 2 parts of nano zine oxide, 6 parts of ultra-fine wollastonite in powder, 6 parts of nano-calcium carbonate, ultra-fine white mica powder
3 parts, polyvinyl alcohol 1799 have 9 parts, 2 parts of ultra-fine molybdenum disulphide powder, 4 parts of nano silicon, 6 parts of nano magnesia, nano oxygen
Change 8 parts of aluminium, 2 parts of magnesium chloride, 2 parts of aluminium polychloride, 3 parts of sodium methyl silicate, 8 parts of froth breaking levelling agent (hard in froth breaking levelling agent
The mass ratio of resin acid, polyacrylate and silicone oil is 2:1:5), 3 parts of calcium-base bentonite, 305 parts of water.
The preparation method of above-mentioned novel environment-friendly water-based inorganic coating, comprises the following steps,
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol is added to the water, 85 DEG C are warming up under agitation
After be incubated, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water
In solution, stir, obtain mixed material, then by obtained mixed material under the conditions of 35 DEG C, rotating speed are 800r/min sand
Mill 3 hours, obtains the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than froth breaking levelling agent is added in water paste, and in 15 DEG C, rotating speed it is
It is sanded 4 hours under the conditions of 900r/min, exceedingly beautiful environmentally friendly aqueous inorganic paint is made.
Embodiment 3
A kind of novel environment-friendly water-based inorganic coating, including following parts by weight raw material：63 parts of kaolin, 22 parts of titanium dioxide,
7 parts of sodium metasilicate, 8 parts of potassium silicate, 1.5 parts of calcium chloride, 5 parts of nano zine oxide, 5 parts of ultra-fine wollastonite in powder, 2 parts of nano-calcium carbonate,
Ultra-fine 4 parts of white mica powder, polyvinyl alcohol 1799 have 12 parts, 4 parts of ultra-fine molybdenum disulphide powder, 10 parts of nano silicon, nano oxygen
Change 5 parts of magnesium, 4 parts of nano aluminium oxide, 2.5 parts of magnesium chloride, 2 parts of Iron trichloride hexahydrate, 7 parts of sodium methyl silicate, 7 parts of froth breaking levelling agent
(mass ratio of stearic acid, polyacrylate and silicone oil in froth breaking levelling agent is 3:1:3), 0.5 part of calcium-base bentonite, sodium base are swollen
Profit native 1.5 parts, 295 parts of water.
The preparation method of above-mentioned novel environment-friendly water-based inorganic coating, comprises the following steps,
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol is added to the water, 90 DEG C are warming up under agitation
After be incubated, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water
In solution, stir, obtain mixed material, then by obtained mixed material under the conditions of 25 DEG C, rotating speed are 1000r/min sand
Mill 4.5 hours, obtains the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than froth breaking levelling agent is added in water paste, and in 25 DEG C, rotating speed it is
It is sanded 3 hours under the conditions of 850r/min, the aqueous inorganic paint of environmental protection is made.
Embodiment 4
A kind of novel environment-friendly water-based inorganic coating, including following parts by weight raw material：65 parts of kaolin, 20 parts of titanium dioxide,
20 parts of sodium metasilicate, 3 parts of calcium chloride, 1 part of nano zine oxide, 10 parts of ultra-fine wollastonite in powder, 3 parts of nano-calcium carbonate, ultra-fine muscovite
5 parts of powder, polyvinyl alcohol 1799 have 15 parts, 4 parts of ultra-fine molybdenum disulphide powder, 2 parts of nano silicon, nano magnesia 5 part, nanometer
12 parts of aluminum oxide, 2 parts of magnesium chloride, 2 parts of Iron trichloride hexahydrate, 8 parts of sodium methyl silicate, 9 parts of froth breaking levelling agent are (in froth breaking levelling agent
The mass ratio of stearic acid, polyacrylate and silicone oil is 3:2:4), 3 parts of calcium-base bentonite, 280 parts of water.
The preparation method of above-mentioned novel environment-friendly water-based inorganic coating, comprises the following steps,
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol is added to the water, 90 DEG C are warming up under agitation
After be incubated, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water
In solution, stir, obtain mixed material, then by obtained mixed material under the conditions of 20 DEG C, rotating speed are 900r/min sand
Mill 4 hours, obtains the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than froth breaking levelling agent is added in water paste, and in 30 DEG C, rotating speed it is
It is sanded 2 hours under the conditions of 800r/min, the aqueous inorganic paint of environmental protection is made.
Performance detection is carried out to aqueous inorganic paint prepared by embodiment 1~4, it is as a result as shown in the table：
As can be seen that the present invention aqueous inorganic paint inherit it is traditional using aqueous silicate solution as between inorganic matter stick
The advantage of the aqueous inorganic paint of agent is tied, except with adhesive force is strong, flame-resistant high-temperature-resistant, scratch-resistant, alkali resistance are good, without free
On the basis of the advantages such as formaldehyde, benzene homologues, heavy metal element, it is also equipped with, and stain resistant, anti-corrosive antibacterial, obdurability are high, store steady
Qualitative good and excellent water resistance, product environmental protection nonhazardous in the production and use process meets the requirement of interior decoration,
And be easy to brush, it is convenient to construct, and is adapted to large-scale industrial production.
Above-described embodiment is only the preferred embodiment of the present invention, should not be taken to limit protection scope of the present invention, but
It is all the present invention body design thought and mentally make have no the change of essential meaning or polishing, its technology solved
Problem is still consistent with the present invention, should be included within the scope of patent protection of the present invention.
Claims (10)
1. a kind of novel environment-friendly water-based inorganic coating, it is characterised in that including following parts by weight raw material：55 ~ 65 parts of kaolin,
20 ~ 30 parts of titanium dioxide, 12 ~ 20 parts of waterglass, 1 ~ 3 part of waterglass accelerator for hardening, 1 ~ 5 part of nano zine oxide, ultra-fine wollastonite in powder 5 ~
10 parts, 1 ~ 10 part of nano-calcium carbonate, 1 ~ 5 part of ultra-fine white mica powder, 7 ~ 15 parts of polyvinyl alcohol, 1 ~ 4 part of ultra-fine molybdenum disulphide powder, receive
2 ~ 10 parts of silica of rice, 2 ~ 12 parts of nano magnesia, 2 ~ 12 parts of nano aluminium oxide, 1 ~ 3 part of magnesium chloride, pH value regulator 2 ~ 5
Part, 1 ~ 8 part of waterproofing agent, 6 ~ 10 parts of froth breaking levelling agent, 1 ~ 3 part of anti-settling agent of thickening, 280 ~ 310 parts of water.
2. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the polyvinyl alcohol is the degree of polymerization
The polyvinyl alcohol 1799 for being 99% for 1700, alcoholysis degree.
3. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the waterglass is sodium metasilicate
Or/and potassium silicate.
4. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the waterglass accelerator for hardening is chlorine
Change calcium.
5. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the pH adjusting agent is crystallization chlorine
Change at least one of aluminium, aluminium polychloride, Iron trichloride hexahydrate.
6. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the froth breaking levelling agent is tristearin
The combination of acid, polyacrylate and silicone oil.
7. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the waterproofing agent is methane-siliconic acid
Sodium.
8. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that the thickening anti-settling agent is calcium base
Bentonite or/and sodium bentonite.
9. novel environment-friendly water-based inorganic coating according to claim 1, it is characterised in that nano magnesia parts by weight are
2 ~ 4 times of magnesium chloride parts by weight.
10. a kind of preparation method of the novel environment-friendly water-based inorganic coating described in claim 1 ~ 9 any one, its feature exists
In comprising the following steps：
S1, prepare polyvinyl alcohol water solution：By than polyvinyl alcohol is added to the water, 85 ~ 90 DEG C are warming up under agitation
After be incubated, until polyvinyl alcohol is completely dissolved, polyvinyl alcohol water solution is obtained after cooling；
S2, prepare water paste：By than the remaining raw material in addition to froth breaking levelling agent is added into polyvinyl alcohol water solution
In, stir, obtain mixed material, then by obtained mixed material in 15 ~ 35 DEG C, rotating speed be 800 ~ 1200 r/min conditions
It is lower to be sanded 3 ~ 6 hours, obtain the water paste of uniform and smooth；
S3, prepare aqueous inorganic paint：By than by froth breaking levelling agent add water paste in, and 15 ~ 35 DEG C, rotating speed be 600 ~
It is sanded 2 ~ 4 hours under the conditions of 900 r/min, environment-friendly water-based inorganic coating is made.
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| CN114316646A (en) * | 2021-12-29 | 2022-04-12 | 上海应用技术大学 | Water-based nano inorganic anticorrosive paint and use method thereof |
| CN114426784A (en) * | 2022-01-12 | 2022-05-03 | 上海应用技术大学 | Nano inorganic coating for exterior wall and preparation method thereof |
| CN114958044A (en) * | 2022-06-09 | 2022-08-30 | 上海及励科技有限公司 | Inorganic environment-friendly moisture-proof and anti-condensation coating and preparation method thereof |
| CN115521646A (en) * | 2022-08-12 | 2022-12-27 | 河北铂润工贸科技有限公司 | Water-resistant and impact-resistant high-temperature-resistant inorganic coating and preparation method thereof |
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