CN108410220A - A kind of aqueous diatom coating and preparation method thereof - Google Patents
A kind of aqueous diatom coating and preparation method thereof Download PDFInfo
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- CN108410220A CN108410220A CN201810361634.8A CN201810361634A CN108410220A CN 108410220 A CN108410220 A CN 108410220A CN 201810361634 A CN201810361634 A CN 201810361634A CN 108410220 A CN108410220 A CN 108410220A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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Abstract
The invention belongs to paint fields more particularly to a kind of aqueous diatom coating and preparation method thereof.Aqueous diatom coating provided by the invention includes：Aqueous diatomite, kaolin, micron order titanium dioxide, coarse whiting, nano-titanium dioxide, dispersant, non-ionic wetting agent, antifoaming agent, propylene glycol, multifunctional assistant, styrene-acrylic emulsion, film forming agent, levelling agent, thickener, fungicide and water；The trade mark of the multifunctional assistant includes one or more in AMP 95 and HP 95, MA95.The constituent and each component content that the present invention passes through optimization design coating, coating is set to show excellent noxious substance and capacity of decomposition, the harmful substances such as the formaldehyde in air can effectively be prevented to be discharged again after paint-absorbable, therefore coating provided by the invention has good purification air and sterilizing and deodorizing function.Moreover, coating bubbles volume provided by the invention is few, the paint film formed after construction has preferable aesthetics, anti-corrosive properties and weatherability.
Description
Technical field
The invention belongs to paint fields more particularly to a kind of aqueous diatom coating and preparation method thereof.
Background technology
While interior decoration payes attention to comfortable and beautiful simply, pollution also is caused to indoor environment, this problem is early
Just cause the concern of common people in the seventies in last century.Traditional paint or coating containing glue should be release formaldehyde and volatile organic matter
Etc. harmful substances, can directly cause the pollution of indoor environment, high risks are brought to people's health.With national environmentally friendly and strong
The enhancing of Kang Yishi, people particularly pay attention to the feature of environmental protection of indoor wall coating, comfort, safety.So being badly in need of Novel ring
Guarantor's type coating can solve the above problems.
Diatomite is widely used in indoor hardware fitting as a kind of excellent natural minerals.It is well known that silicon
Diatomaceous earth is made of the remains of ancient times diatom, and chemical composition is with SiO2Based on.Diatomite is in porosity structure under the microscope
It makes, porosity is up to 90% or more, specific surface area 40-65m3/ kg, has the characteristics that molecular sieve structure, has stronger physical absorption
Performance and ion-exchange performance, air can be purified, adjust humidity, fire protection flame retarding, sound insulation and noise reduction, kill by being added in coating
Bacterium deodorization.
Most of aqueous diatom coating of prior art preparation are only capable of the harmful substance in absorption air, but cannot be by its point
Solution, gradually weakens, pollutant is eventually escaped and is diffused into air with the extension diatom paint-absorbable ability of service life
Form secondary pollution.In addition, existing aqueous diatom coating generally contains a large amount of bubbles, when construction, is also easy to produce surface defect, influences
The aesthetics of film, anti-corrosive properties, weatherability.
Invention content
In view of this, the purpose of the present invention is to provide a kind of aqueous diatom coating and preparation method thereof, the present invention provides
Aqueous diatom coating have stronger noxious substance and capacity of decomposition, can effectively prevent the pollutant being adsorbed onto in coating
It is diffused into air again and forms secondary pollution；And the bubbles volume in coating is few, the paint film formed after construction has preferable beautiful
The property seen, anti-corrosive properties and weatherability.
The present invention provides a kind of aqueous diatom coating, by mass percentage, including：Aqueous diatomite 15~25%,
Kaolin 5~10%, micron order titanium dioxide 10~20%, coarse whiting 10~25%, nano-titanium dioxide 1~2%, dispersant 0.3
~0.8%, non-ionic wetting agent 0.1~0.35%, antifoaming agent 0.1~0.5%, propylene glycol 0.2~0.8%, multifunctional assistant
Agent 0.1~0.5%, styrene-acrylic emulsion 10~20%, film forming agent 0.5~1.0%, levelling agent 0.1~0.5%, thickener 0.5~
1.0%, fungicide 0.1~0.5% and water 20~30%；
The trade mark of the multifunctional assistant includes one or more in AMP-95 and HP-95, MA95.
Preferably, the aqueous diatomaceous dioxide-containing silica >=85wt%；The aqueous diatomaceous fineness is 500
~1000 mesh.
Preferably, the crystal form of the micron order titanium dioxide is anatase titanium dioxide；The fineness of the micron order titanium dioxide be 500~
1000 mesh.
Preferably, the kaolinic fineness is 800~1250 mesh.
Preferably, the fineness of the coarse whiting is 800~1250 mesh.
Preferably, the thickener include polyacrylamide, polyvinyl alcohol, polyacrylic acid, polyacrylate altogether it is poly and poly
It is one or more in urethane.
Preferably, the trade mark of the fungicide includes one or more in LXE, CP11 and RS.
The present invention provides a kind of preparation methods of aqueous diatom coating described in above-mentioned technical proposal, include the following steps：
A) by aqueous diatomite, kaolin, micron order titanium dioxide, coarse whiting, nano-titanium dioxide, dispersant, nonionic
Wetting agent, antifoaming agent, propylene glycol, multifunctional assistant, styrene-acrylic emulsion, film forming agent, levelling agent, thickener, fungicide and water mixing,
Obtain aqueous diatom coating.
Preferably, the step a) is specifically included：
A1) dispersant, non-ionic wetting agent, propylene glycol, part water and part antifoaming agent are mixed, obtained among first
Product；
A2) by first intermediate product, micron order titanium dioxide, aqueous diatomite, kaolin, coarse whiting, nanometer titanium dioxide
Titanium and multifunctional assistant mixing, obtain the second intermediate product；
A3) second intermediate product is ground, later with styrene-acrylic emulsion, film forming agent, levelling agent, fungicide and remaining
The antifoaming agent of amount mixes, and obtains third intermediate product；
A4 product in the third is mixed with aqueous thickener solution), obtains aqueous diatom coating；The thickener is water-soluble
Liquid is mixed by the water of thickener and surplus.
Preferably, step a4) in, the mode of the mixing specifically includes：
The aqueous thickener solution is added in the third in product, is stirred under the rotating speed of 800~1000r/min
30~40min stirs 5~15min under the rotating speed of 100~300r/min later.
Compared with prior art, the present invention provides a kind of aqueous diatom coating and preparation method thereof.It is provided by the invention
Aqueous diatom coating by mass percentage, including：Aqueous diatomite 15~25%, kaolin 5~10%, micron order titanium dioxide
10~20%, coarse whiting 10~25%, nano-titanium dioxide 1~2%, dispersant 0.3~0.8%, non-ionic wetting agent 0.1~
0.35%, antifoaming agent 0.1~0.5%, propylene glycol 0.2~0.8%, multifunctional assistant 0.1~0.5%, styrene-acrylic emulsion 10~
20%, film forming agent 0.5~1.0%, levelling agent 0.1~0.5%, thickener 0.5~1.0%, fungicide 0.1~0.5% and water
20~30%；The trade mark of the multifunctional assistant includes one or more in AMP-95 and HP-95, MA95.The present invention passes through
The constituent and each component content of optimization design coating, make coating show excellent noxious substance and capacity of decomposition,
The harmful substances such as the formaldehyde in air can effectively be prevented to be discharged again after paint-absorbable, therefore coating provided by the invention has
There are good purification air and sterilizing and deodorizing function.Moreover, coating bubbles volume provided by the invention is few, the paint film formed after construction
With preferable aesthetics, anti-corrosive properties and weatherability.In optimal technical scheme provided by the invention, by adopting when preparing coating
It is mixed slowly before being separately added into antifoaming agent and discharging before and after grinding, the bubbles volume of coating can be further decreased, promote paint
Aesthetics, anti-corrosive properties and the weatherability of film.According to method as defined in the 6th chapter in JC/T1704-2008 to painting provided by the invention
Material is tested, and is as a result shown：Purifying formaldehyde performance >=80%, purifying formaldehyde effect persistence >=65%.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of aqueous diatom coating, by mass percentage, including：Aqueous diatomite 15~25%,
Kaolin 5~10%, micron order titanium dioxide 10~20%, coarse whiting 10~25%, nano-titanium dioxide 1~2%, dispersant 0.3
~0.8%, non-ionic wetting agent 0.1~0.35%, antifoaming agent 0.1~0.5%, propylene glycol 0.2~0.8%, multifunctional assistant
Agent 0.1~0.5%, styrene-acrylic emulsion 10~20%, film forming agent 0.5~1.0%, levelling agent 0.1~0.5%, thickener 0.5~
1.0%, fungicide 0.1~0.5% and water 20~30%；
The trade mark of the multifunctional assistant is one or more in AMP-95 and HP-95, MA95.
Coating provided by the invention include aqueous diatomite, kaolin, micron order titanium dioxide, coarse whiting, nano-titanium dioxide,
Dispersant, non-ionic wetting agent, antifoaming agent, propylene glycol, multifunctional assistant, styrene-acrylic emulsion, film forming agent, levelling agent, thickener,
Fungicide and water.Wherein, the aqueous diatomaceous dioxide-containing silica preferably >=85wt%；The aqueous diatomaceous fineness
Preferably 500~1000 mesh, concretely 500 mesh, 550 mesh, 600 mesh, 650 mesh, 700 mesh, 750 mesh, 800 mesh, 850 mesh, 900
Mesh, 950 mesh or 1000 mesh.In the present invention, content of the aqueous diatomite in coating is 15~25wt%, concretely
15wt%, 16wt%, 17wt%, 18wt%, 19wt%, 20wt%, 21wt%, 22wt%, 23wt%, 24wt% or
25wt%.
In the present invention, the kaolinic mesh number is preferably 800~1250 mesh, concretely 800 mesh, 850 mesh, 900
Mesh, 950 mesh, 1000 mesh, 1050 mesh, 1100 mesh, 1150 mesh, 1200 mesh or 1250 mesh.In the present invention, the kaolin is applying
Content in material is 5~10wt%, concretely 5wt%, 5.5wt%, 6wt%, 6.5wt%, 7wt%, 7.5wt%,
8wt%, 8.5wt%, 9wt%, 9.5wt% or 10wt%.
In the present invention, the crystal form of the micron order titanium dioxide is preferably anatase titanium dioxide；The dioxy of the micron order titanium dioxide
Change Ti content preferably >=95wt%；The fineness of the micron order titanium dioxide is preferably 500~1000 mesh, concretely 500 mesh,
550 mesh, 600 mesh, 650 mesh, 700 mesh, 750 mesh, 800 mesh, 850 mesh, 900 mesh, 950 mesh or 1000 mesh.In the present invention, described
Content of the micron order titanium dioxide in coating be 10~20wt%, concretely 10wt%, 11wt%, 12wt%, 13wt%,
14wt%, 15wt%, 16wt%, 17wt%, 18wt%, 19wt% or 20wt%.
In the present invention, the calcium carbonate content in the coarse whiting preferably >=90wt%；The mesh number of the coarse whiting is preferably 800
~1250 mesh, concretely 800 mesh, 850 mesh, 900 mesh, 950 mesh, 1000 mesh, 1050 mesh, 1100 mesh, 1150 mesh, 1200 mesh or
1250 mesh.In the present invention, content of the coarse whiting in coating be 10~25wt%, concretely 10wt%, 10.5wt%,
11wt%, 11.5wt%, 12wt%, 12.5wt%, 13wt%, 13.5wt%, 14wt%, 14.5wt%, 15wt%,
15.5wt%, 16wt%, 16.5wt%, 17wt%, 17.5wt%, 18wt%, 18.5wt%, 19wt%, 19.5wt%,
20wt%, 20.5wt%, 21wt%, 21.5wt%, 22wt%, 22.5wt%, 23wt%, 23.5wt%, 24wt%,
24.5wt% or 25wt%.
In the present invention, content of the nano-titanium dioxide in coating be 1~2wt%, concretely 1wt%,
1.1wt%, 1.2wt%, 1.3wt%, 1.4wt%, 1.5wt%, 1.6wt%, 1.7wt%, 1.8wt%, 1.9wt% or
2wt%.
In the present invention, the trade mark of the dispersant includes but not limited to one kind or more in SN-5040, N40 and W511
Kind.In the present invention, the trade mark is provided for the dispersant of SN-5040 by Nuo Puke, and the trade mark is that the dispersant of N40 is carried by BASF
For the trade mark is that the dispersant of W511 is provided by moral is modest.In the present invention, content of the dispersant in coating be 0.3~
0.8wt%, concretely 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt% or 0.8wt%.
In the present invention, the trade mark of the non-ionic wetting agent includes but not limited to DX-200, X-405 and LCN-407
In it is one or more.In the present invention, the trade mark is provided for the non-ionic wetting agent of X-405 by DOW Chemical, and the trade mark is
The non-ionic wetting agent of LCN-407 is provided by German Clariant.In the present invention, the non-ionic wetting agent is in coating
Content be preferably 0.1~0.35wt%, concretely 0.1wt%, 0.15wt%, 0.2wt%, 0.25wt%, 0.3wt% or
0.35wt%.
In the present invention, the trade mark of the antifoaming agent includes but not limited to one or more in NXZ, A10 and DF7079.
In the present invention, the trade mark is provided for the antifoaming agent of NXZ by Nuo Puke, and the trade mark is provided for the antifoaming agent of A10 by BASF, and the trade mark is
The antifoaming agent of DF7079 is provided by this company of hamming.In the present invention, content of the antifoaming agent in coating be 0.1~
0.5wt%, concretely 0.1wt%, 0.15wt%, 0.2wt%, 0.25wt%, 0.3wt%, 0.35wt%, 0.4wt%,
0.45wt% or 0.5wt%.
In the present invention, content of the propylene glycol in coating be 0.2~0.8wt%, concretely 0.2wt%,
0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt% or 0.8wt%.
In the present invention, the trade mark of the multifunctional assistant includes one or more in AMP-95 and HP-95, MA95,
The multifunctional assistant of the above-mentioned trade mark is provided by this company of hamming.In one embodiment provided by the invention, the multifunctional assistant
The trade mark of agent includes HP-95 and MA95, the quality for the multifunctional assistant that the multifunctional assistant and the trade mark that the trade mark is HP-95 are MA95
Than preferably (1~3)：1, concretely 2:1.In the present invention, content of the multifunctional assistant in coating be 0.1~
0.5wt%, concretely 0.1wt%, 0.15wt%, 0.2wt%, 0.25wt%, 0.3wt%, 0.35wt%, 0.4wt%,
0.45wt% or 0.5wt%.
In the present invention, the solid content of the styrene-acrylic emulsion is preferably 40~60wt%, concretely 50 ± 1wt%；Institute
It is preferably ordor removing styrene-acrylic emulsion to state styrene-acrylic emulsion.In the present invention, content of the styrene-acrylic emulsion in coating be 10~
20wt%, concretely 10wt%, 10.5wt%, 11wt%, 11.5wt%, 12wt%, 12.5wt%, 13wt%,
13.5wt%, 14wt%, 14.5wt%, 15wt%, 15.5wt%, 16wt%, 16.5wt%, 17wt%, 17.5wt%,
18wt%, 18.5wt%, 19wt%, 19.5wt% or 20wt%.
In the present invention, the trade mark of the film forming agent includes but not limited to OE300 and/or C-12.In the present invention, the trade mark
It is provided by Yi Shiman for the film forming agent of OE300, the trade mark is that the film forming agent of C-12 is 12 film forming agent of alcohol ester.In the present invention,
Content of the film forming agent in coating be 0.5~1wt%, concretely 0.5wt%, 0.55wt%, 0.6wt%,
0.65wt%, 0.7wt%, 0.75wt%, 0.8wt%, 0.85wt%, 0.9wt%, 0.95wt% or 1wt%.
In the present invention, the trade mark of the levelling agent include but not limited to one kind in CVS-11,830W and SN-612 or
It is a variety of.In the present invention, for the levelling agent of CVS-11, by hamming, this company provides the trade mark, and the trade mark is the levelling agent of SN-612 by promise
General section provides.In the present invention, content of the levelling agent in coating be 0.1~0.5wt%, concretely 0.1wt%,
0.15wt%, 0.2wt%, 0.25wt%, 0.3wt%, 0.35wt%, 0.4wt%, 0.45wt% or 0.5wt%.
In the present invention, the thickener includes but not limited to polyacrylamide, polyvinyl alcohol, polyacrylic acid, polypropylene
It is one or more in acid esters copolymerization and polyurethane；Viscosity≤20cP (25 DEG C) of the thickener.In the present invention, the increasing
The thick dose of content in coating be 0.5~1wt%, concretely 0.5wt%, 0.53wt%, 0.55wt%, 0.6wt%,
0.64wt%, 0.65wt%, 0.7wt%, 0.75wt%, 0.76wt%, 0.78wt%, 0.8wt%, 0.85wt%,
0.9wt%, 0.95wt% or 1wt%.
In the present invention, the trade mark of the fungicide includes but not limited to one or more in LXE, CP11 and RS.
In the present invention, the trade mark is provided for the fungicide of LXE by ROHM AND HAAS, and the trade mark is provided for the fungicide of CP11 by Huffman, the trade mark
It is provided by Sol for the fungicide of RS.In the present invention, content of the fungicide in coating is 0.1~0.5wt%, specifically
Can be 0.1wt%, 0.15wt%, 0.2wt%, 0.25wt%, 0.3wt%, 0.35wt%, 0.4wt%, 0.45wt% or
0.5wt%.
In the present invention, content of the water in coating be 20~30wt%, concretely 20wt%, 21wt%,
21.1wt%, 22wt%, 23wt%, 24wt%, 24.69wt%, 25wt%, 25.21wt%, 25.32wt%, 26wt%,
27wt%, 28wt%, 28.22wt%, 29wt% or 30wt%.
In the present invention, viscosity of the aqueous diatom coating at 23 DEG C is preferably 105 ± 10ku；The aqueous diatom
The pH value of coating is preferably 8~9.
The present invention provides a kind of preparation methods of aqueous diatom coating described in above-mentioned technical proposal, include the following steps：
A) by aqueous diatomite, kaolin, micron order titanium dioxide, coarse whiting, nano-titanium dioxide, dispersant, nonionic
Wetting agent, antifoaming agent, propylene glycol, multifunctional assistant, styrene-acrylic emulsion, film forming agent, levelling agent, thickener, fungicide and water mixing,
Obtain aqueous diatom coating.
In preparation method provided by the invention, directly the raw material for preparing needed for coating is mixed in proportion and can be obtained
To the aqueous diatom coating, specific mixed process includes：
A1) dispersant, non-ionic wetting agent, propylene glycol, part water and part antifoaming agent are mixed, obtained among first
Product；
A2) by first intermediate product, micron order titanium dioxide, aqueous diatomite, kaolin, coarse whiting, nanometer titanium dioxide
Titanium and multifunctional assistant mixing, obtain the second intermediate product；
A3) second intermediate product is ground, later with styrene-acrylic emulsion, film forming agent, levelling agent, fungicide and remaining
The antifoaming agent of amount mixes, and obtains third intermediate product；
A4 product in the third is mixed with aqueous thickener solution), obtains aqueous diatom coating；The thickener is water-soluble
Water of the liquid by thickener in surplus is mixed.
In above-mentioned hybrid mode provided by the invention, step a1) in, the speed of agitator of the mixing is preferably 300~
400r/min, concretely 300r/min, 310r/min, 320r/min, 330r/min, 340r/min, 350r/min, 360r/
Min, 370r/min, 380r/min, 390r/min or 400r/min；The time of the mixing is preferably 5~10min, specifically may be used
For 5min, 5.5min, 6min, 6.5min, 7min, 7.5min, 8min, 8.5min, 9min, 9.5min or 10min.
In above-mentioned hybrid mode provided by the invention, step a2) in, the speed of agitator of the mixing is preferably 300~
400r/min, concretely 300r/min, 310r/min, 320r/min, 330r/min, 340r/min, 350r/min, 360r/
Min, 370r/min, 380r/min, 390r/min or 400r/min；The time of the mixing is preferably 20~30min, specifically may be used
For 20min, 21min, 22min, 23min, 24min, 25min, 26min, 27min, 28min, 29min or 30min.
In above-mentioned hybrid mode provided by the invention, step a3) in, the grain size of the abrasive media used in the grinding is excellent
It is selected as 1~3mm, the additive amount of abrasive media is preferably the 1/3 of grinding device cylinder volume；The rotating speed of the grinding is preferably
1000~1200r/min, concretely 1000r/min, 1010r/min, 1020r/min, 1030r/min, 1040r/min,
1050r/min、1060r/min、1070r/min、1080r/min、1090r/min、1100r/min、1110r/min、1120r/
Min, 1130r/min, 1140r/min, 1150r/min, 1160r/min, 1170r/min, 1180r/min, 1190r/min or
1200r/min.Step a3) in, the speed of agitator of the mixing is preferably 400~500r/min, concretely 400r/min,
410r/min、420r/min、430r/min、440r/min、450r/min、460r/min、470r/min、480r/min、490r/
Min or 500r/min；The time of the mixing is preferably 10~20min, concretely 10min, 11min, 12min, 13min,
14min, 15min, 16min, 17min, 18min, 19min or 20min.Step a3) in, second intermediate product is ground
It is preferably first filtered with copper mesh, then is mixed with other components afterwards.In the present invention, step a1) in antifoaming agent and step a3) in disappear
The mass ratio of infusion is preferably (1~4)：1, concretely 1:1、1.5:1、2:1、2.5:1、3:1、3.5:1 or 4:1.
In above-mentioned hybrid mode provided by the invention, step a4) in, the content of thickener in the aqueous thickener solution
Preferably 20~25wt%, step a4) in, the process of the mixing preferably specifically includes：The aqueous thickener solution is added
Into product in the third, is stirred at the first time under the first rotating speed, stirred for the second time under the second rotating speed later.Its
In, first rotating speed is preferably 800~1000r/min, concretely 800r/min, 850r/min, 900r/min, 950r/
Min or 1000r/min；The first time is preferably 30~40min, concretely 30min, 31min, 32min, 33min,
34min, 35min, 36min, 37min, 38min, 39min or 40min；Second rotating speed is preferably 100~300r/min, tool
Body can be 100r/min, 110r/min, 120r/min, 130r/min, 140r/min, 150r/min, 160r/min, 170r/
min、180r/min、190r/min、200r/min、210r/min、220r/min、230r/min、240r/min、250r/min、
260r/min, 270r/min, 280r/min, 290r/min or 300r/min；Second time is preferably 5~15min, specifically
Can be 5min, 6min, 7min, 8min, 9min, 10min, 11min, 12min, 13min, 14min or 15min.
The present invention makes coating show excellent nuisance by the constituent and each component content of optimization design coating
Matter is adsorbed and capacity of decomposition, can effectively prevent the harmful substances such as the formaldehyde in air and be discharged again after paint-absorbable, therefore
Coating provided by the invention has good purification air and sterilizing and deodorizing function.Moreover, coating bubbles volume provided by the invention
Few, the paint film formed after construction has preferable aesthetics, anti-corrosive properties and weatherability.In addition, coating provided by the invention also has
Have and adjusts the functions such as humidity, fire protection flame retarding, sound insulation and noise reduction.
In optimal technical scheme provided by the invention, by using being separately added into defoaming afterwards before the milling when preparing coating
It is mixed slowly before agent and discharging, the bubbles volume of coating can be further decreased, promote the aesthetics of paint film, anti-corrosive properties and weather-proof
Property.
Coating provided by the invention is tested according to method as defined in the 6th chapter in JC/T1704-2008, is as a result shown
Show：Purifying formaldehyde performance >=80%, purifying formaldehyde effect persistence >=65%.
For the sake of becoming apparent from, it is described in detail below by following embodiment.
In following embodiments of the present invention, used aqueous diatomaceous SiO2Content >=85wt%, fineness 800
Mesh；Used micron order titanium dioxide is anatase titanium dioxide, TiO2Content >=95wt%, fineness are 800 mesh；Used coarse whiting
CaCO3Content >=90wt%, fineness are 800 mesh；The solid content of the ordor removing styrene-acrylic emulsion used is 50wt%.
Embodiment 1
A kind of aqueous diatom interior wall coating, by mass percentage, including aqueous diatomite 20%, kaolin 7%, micron
Grade titanium dioxide 12%, coarse whiting 20%, nano-titanium dioxide (photocatalyst) 1%, dispersant (W511) 0.5%, nonionic wetting
Agent (LCN-407) 0.3%, antifoaming agent (DF7079) 0.5%, propylene glycol 0.6%, it is multifunctional assistant (AMP-95) 0.5%, net
Taste styrene-acrylic emulsion 14.5%, film forming agent (OE300) 0.9%, levelling agent (CVS-11) 0.35%, thickener (polyacrylic acid)
0.5%, LXE fungicide 0.25%, deionized water 21.1%.
Above-mentioned aqueous diatom interior wall coating, is as follows：
1) dispersion is added in precise deionized water 200g, W511 5g, LCN-407 3g, DF7079 3g, propylene glycol 6g
In grinding machine, blender control 300r/min is started, 5min is disperseed；
2) micron order titanium dioxide 120g, diatomite 200g, kaolin 70g, coarse whiting 200g, nano-titanium dioxide are sequentially added
(photocatalyst) 10g, AMP-95 multifunctional assistant 5g continue to stir 30min, and each material is made to be uniformly dispersed and fully dissolve；
3) abrasive media is added to be ground, 1~3mm of grain size of abrasive media, addition is grinding device cylinder volume
1/3, control blender 1000r/min, grind 1h；
4) grind after filtered with copper mesh, to consider starch in sequentially add ordor removing styrene-acrylic emulsion 145g, DF70792g,
Then OE300 9g, CVS-11 3.5g, LXE fungicide 2.5g stir 10min with 400r/min.
5) 5g polyacrylic acid is diluted to after the aqueous solution point of 20wt% and is repeatedly added, with the addition of aqueous thickener solution
Rotating speed is gradually risen into 1000r/min and stirs 30min；
6) bubble is finally taken out of with 200r/min speed stirring 10min.
It is 8~9 that viscosity of the aqueous diatom interior wall coating provided in this embodiment at 23 DEG C, which is 105 ± 10kupH values,.
Embodiment 2
A kind of aqueous diatom interior wall coating, by mass percentage, including it is aqueous diatomite 18%, kaolin 10%, micro-
Meter level titanium dioxide 14%, coarse whiting 15.5%, nano-titanium dioxide (photocatalyst) 1.5%, dispersant (W511) 0.6%, nonionic
Type wetting agent (LCN-407) 0.35%, antifoaming agent (DF7079) 0.5%, propylene glycol 0.8%, multifunctional assistant (HP-95)
0.4%, ordor removing styrene-acrylic emulsion 11%, film forming agent (OE300) 1%, levelling agent (CVS-11) 0.2%, thickener (polyacrylamide
Amine) 0.64%, LXE fungicide 0.3%, deionized water 25.21%.
Above-mentioned aqueous diatom interior wall coating, is as follows：
1) precise deionized water 240g, W511 6g, LCN-407 3.5g, DF7079 3g, propylene glycol 8g, which is added, to be divided
It dissipates in grinding machine, starts blender control 400r/min, disperse 10min；
2) micron order titanium dioxide 140g, diatomite 180g, kaolin 100g, coarse whiting 155g, nanometer titanium dioxide are sequentially added
Titanium (photocatalyst) 15g, HP-95 multifunctional assistant 4g continues to stir 20min, and each material is made to be uniformly dispersed and fully dissolve；
3) abrasive media is added to be ground, 1~3mm of grain size of abrasive media, addition is grinding device cylinder volume
1/3, control blender 900r/min, grind 1.5h；
4) grind after filtered with copper mesh, to consider starch in sequentially add ordor removing styrene-acrylic emulsion 110g, DF70792g,
Then OE300 10g, CVS-11 2g, LXE fungicide 3g stir 20min with 400r/min.
5) 6.4g polyacrylamides are diluted to after the aqueous solution point of 20wt% and are repeatedly added, with aqueous thickener solution
Rotating speed is gradually risen to 1000r/min and stirs 40min by addition；
6) bubble is finally taken out of with 200r/min speed stirring 10min.
It is 8~9 that viscosity of the aqueous diatom interior wall coating provided in this embodiment at 23 DEG C, which is 105 ± 10kupH values,.
Embodiment 3
A kind of aqueous diatom interior wall coating, by mass percentage, including aqueous diatomite 16%, kaolin 6%, micron
Grade titanium dioxide 13%, coarse whiting 17%, nano-titanium dioxide (photocatalyst) 1.5%, dispersant (W511) 0.4%, nonionic profit
It is humectant (LCN-407) 0.35%, antifoaming agent (DF7079) 0.5%, propylene glycol 0.8%, multifunctional assistant (MA95) 0.3%, net
Taste styrene-acrylic emulsion 17%, film forming agent (OE300) 1%, levelling agent (CVS-11) 0.35%, thickener (polyvinyl alcohol and polypropylene
Acid) 0.76%, LXE fungicide 0.35%, deionized water 24.69%.
Above-mentioned aqueous diatom interior wall coating, is as follows：
1) precise deionized water 230g, W511 4g, LCN-407 3.5g, DF7079 4g, propylene glycol 8g, which is added, to be divided
It dissipates in grinding machine, starts blender control 400r/min, disperse 10min；
2) micron order titanium dioxide 130g, diatomite 160g, kaolin 60g, coarse whiting 170g, nano-titanium dioxide are sequentially added
(photocatalyst) 15g, MA95 multifunctional assistant 3g continue to stir 25min, and each material is made to be uniformly dispersed and fully dissolve；
3) abrasive media is added to be ground, 1~3mm of grain size of abrasive media, addition is grinding device cylinder volume
1/3, control blender 1100r/min, grind 1h；
4) grind after filtered with copper mesh, to consider starch in sequentially add ordor removing styrene-acrylic emulsion 170g, DF70791g,
Then OE300 10g, CVS-11 3.5g, LXE fungicide 3.5g stir 10min with 500r/min.
5) mixture that 3.6g polyvinyl alcohol increases with 4g polyacrylic acid is diluted to after the aqueous solution point of 20wt% and is repeatedly added
Enter, as rotating speed is gradually risen to 900r/min by the addition of aqueous thickener solution and stirs 40min；
6) bubble is finally taken out of with 200r/min speed stirring 10min.
It is 8~9 that viscosity of the aqueous diatom interior wall coating provided in this embodiment at 23 DEG C, which is 105 ± 10kupH values,.
Embodiment 4
A kind of aqueous diatom interior wall coating, by mass percentage, including it is aqueous diatomite 18%, kaolin 7.5%, micro-
Meter level titanium dioxide 12%, coarse whiting 11%, nano-titanium dioxide (photocatalyst) 1%, dispersant (W511) 0.7%, nonionic profit
Humectant (LCN-407) 0.3%, antifoaming agent (DF7079) 0.4%, propylene glycol 0.5%, multifunctional assistant (AMP-95) 0.45%,
Ordor removing styrene-acrylic emulsion 18%, film forming agent (OE300) 0.7%, levelling agent (CVS-11) 0.2%, thickener (polyurethane and polypropylene
Acid) 0.78%, LXE fungicide 0.25%, deionized water 28.22%.
Above-mentioned aqueous diatom interior wall coating, is as follows：
1) dispersion is added in precise deionized water 260g, W511 7g, LCN-407 3g, DF7079 3g, propylene glycol 5g
In grinding machine, blender control 300r/min is started, 8min is disperseed；
2) micron order titanium dioxide 120g, diatomite 180g, kaolin 75g, coarse whiting 110g, nano-titanium dioxide are sequentially added
(photocatalyst) 10g, multifunctional assistant 4.5g continue to stir 30min, and each material is made to be uniformly dispersed and fully dissolve；
3) abrasive media is added to be ground, 1~3mm of grain size of abrasive media, addition is grinding device cylinder volume
1/3, control blender 1100r/min, grind 1.2h；
4) grind after filtered with copper mesh, to consider starch in sequentially add ordor removing styrene-acrylic emulsion 180g, DF70791g,
Then OE300 7, CVS-11 2g, antimildew disinfectant 2.5g stir 10min with 500r/min.
5) mixture that 4.8g polyurethane and 3g polyacrylic acid increase is diluted to after the aqueous solution point of 20wt% and is repeatedly added,
As rotating speed is gradually risen to 1000r/min by the addition of aqueous thickener solution and stirs 40min；
6) bubble is finally taken out of with 200r/min speed stirring 10min.
It is 8~9 that viscosity of the aqueous diatom interior wall coating provided in this embodiment at 23 DEG C, which is 105 ± 10kupH values,.
Embodiment 5
A kind of aqueous diatom interior wall coating, by mass percentage, including aqueous diatomite 20%, kaolin 8%, micron
Grade titanium dioxide 12%, coarse whiting 10.5%, nano-titanium dioxide (photocatalyst) 1.5%, dispersant (W511) 0.8%, nonionic
Wetting agent (LCN-407) 0.3%, antifoaming agent (DF7079) 0.5%, propylene glycol 0.7%, multifunctional assistant (HP-95 and MA95)
0.2%, ordor removing styrene-acrylic emulsion 18%, film forming agent (OE300) 0.9%, levelling agent (CVS-11) 0.45%, thickener (polypropylene
Acid ester copolymer) 0.53%, LXE fungicide 0.3%, deionized water 25.32%.
Above-mentioned aqueous diatom interior wall coating, is as follows：
1) precise deionized water 260g, W511 8g, LCN-407 3g, DF7079 2.5g, propylene glycol 7g, which is added, to be divided
It dissipates in grinding machine, starts blender control 400r/min, disperse 10min；
2) micron order titanium dioxide 120g, diatomite 200g, kaolin 80g, coarse whiting 105g, nano-titanium dioxide are sequentially added
(photocatalyst) 15g, HP-95 multifunctional assistant 2g, MA95 multifunctional assistant 1g continue to stir 40min, each material are made to be uniformly dispersed
And it fully dissolves；
3) abrasive media is added to be ground, 1~3mm of grain size of abrasive media, addition is grinding device cylinder volume
1/3, control blender 1100r/min, grind 1h；
4) grind after filtered with copper mesh, to consider starch in sequentially add ordor removing styrene-acrylic emulsion 180g, DF70792.5g,
Then OE300 9g, CVS-11 4.5g, LXE fungicide 3g stir 10min with 400r/min.
5) 5.3g Polyacrylate Emulsions are diluted to after the aqueous solution point of 25wt% and are repeatedly added, with thickener
Rotating speed is gradually risen to 1000r/min and stirs 30min by the addition of aqueous solution；
6) bubble is finally taken out of with 200r/min speed stirring 10min.
It is 8~9 that viscosity of the aqueous diatom interior wall coating provided in this embodiment at 23 DEG C, which is 105 ± 10kupH values,.
Embodiment 6
Performance test
According to the purifying formaldehyde for the coating that method provides Examples 1 to 5 as defined in the 6th chapter in JC/T1704-2008
It can be detected (quasi- Qiu≤75% of Yaoing of Biao), be as a result followed successively by：83%, 85%, 88%, 86%, 90%.
According to the aldehyde clean-up effect for the coating that method provides Examples 1 to 5 as defined in the 6th chapter in JC/T1704-2008
Persistence is detected (quasi- Qiu≤60% of Yaoing of Biao), is as a result followed successively by：65%, 75%, 68%, 74%, 78%.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of aqueous diatom coating, by mass percentage, including：Aqueous diatomite 15~25%, kaolin 5~10%,
Micron order titanium dioxide 10~20%, coarse whiting 10~25%, nano-titanium dioxide 1~2%, dispersant 0.3~0.8%, nonionic
Type wetting agent 0.1~0.35%, antifoaming agent 0.1~0.5%, propylene glycol 0.2~0.8%, multifunctional assistant 0.1~0.5%, benzene
Acrylic emulsion 10~20%, film forming agent 0.5~1.0%, levelling agent 0.1~0.5%, thickener 0.5~1.0%, fungicide 0.1~
0.5% and water 20~30%；
The trade mark of the multifunctional assistant includes one or more in AMP-95 and HP-95, MA95.
2. coating according to claim 1, which is characterized in that the aqueous diatomaceous dioxide-containing silica >=
85wt%；The aqueous diatomaceous fineness is 500~1000 mesh.
3. coating according to claim 1, which is characterized in that the crystal form of the micron order titanium dioxide is anatase titanium dioxide；It is described
The fineness of micron order titanium dioxide is 500~1000 mesh.
4. coating according to claim 1, which is characterized in that the kaolinic fineness is 800~1250 mesh.
5. coating according to claim 1, which is characterized in that the fineness of the coarse whiting is 800~1250 mesh.
6. coating according to claim 1, which is characterized in that the thickener includes polyacrylamide, polyvinyl alcohol, gathers
It is one or more in acrylic acid, polyacrylate copolymerization and polyurethane.
7. coating according to claim 1, which is characterized in that the trade mark of the fungicide includes in LXE, CP11 and RS
It is one or more.
8. a kind of preparation method of any one of claim 1~7 aqueous diatom coating, includes the following steps：
A) aqueous diatomite, kaolin, micron order titanium dioxide, coarse whiting, nano-titanium dioxide, dispersant, nonionic are soaked
Agent, antifoaming agent, propylene glycol, multifunctional assistant, styrene-acrylic emulsion, film forming agent, levelling agent, thickener, fungicide and water mixing, obtain
Aqueous diatom coating.
9. preparation method according to claim 8, which is characterized in that the step a) is specifically included：
A1) dispersant, non-ionic wetting agent, propylene glycol, part water and part antifoaming agent are mixed, obtain production among first
Object；
A2) by first intermediate product, micron order titanium dioxide, aqueous diatomite, kaolin, coarse whiting, nano-titanium dioxide and
Multifunctional assistant mixes, and obtains the second intermediate product；
A3) second intermediate product is ground, later with styrene-acrylic emulsion, film forming agent, levelling agent, fungicide and surplus
Antifoaming agent mixes, and obtains third intermediate product；
A4 product in the third is mixed with aqueous thickener solution), obtains aqueous diatom coating；The aqueous thickener solution by
Thickener and the water of surplus are mixed.
10. preparation method according to claim 9, which is characterized in that step a4) in, the mode of the mixing is specifically wrapped
It includes：
The aqueous thickener solution is added in the third in product, under the rotating speed of 800~1000r/min stir 30~
40min stirs 5~15min under the rotating speed of 100~300r/min later.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109082167A (en) * | 2018-08-21 | 2018-12-25 | 广州弘海化工科技有限公司 | Physical pest killing coating, preparation method and application |
| CN111218169A (en) * | 2020-03-27 | 2020-06-02 | 吉林省绿森林环保科技有限公司 | Anti-cracking formaldehyde-removing interior wall coating and preparation method thereof |
| CN111747680A (en) * | 2019-03-26 | 2020-10-09 | 沈阳康亿环保科技有限公司 | Preparation method of environment-friendly liquid antibacterial diatom coating |
| CN112375479A (en) * | 2020-11-16 | 2021-02-19 | 泰山石膏有限公司 | Aqueous mildew-proof environment-friendly coating and preparation method thereof |
| CN112646424A (en) * | 2020-12-09 | 2021-04-13 | 亿美(新丰)实业有限公司 | Interior wall coating and preparation method thereof |
| CN112778854A (en) * | 2020-12-29 | 2021-05-11 | 沈阳康亿环保科技有限公司 | Intelligent luminous liquid diatom coating |
| CN112852232A (en) * | 2021-01-15 | 2021-05-28 | 吉林省春之元硅藻新材料科技有限公司 | Pearl powder modified water-based diatom ooze coating and preparation method thereof |
| CN113025084A (en) * | 2021-02-02 | 2021-06-25 | 安徽硅能环保科技股份有限公司 | Environment-friendly diatom water paint and preparation method thereof |
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| CN105176216A (en) * | 2015-10-13 | 2015-12-23 | 北京大津硅藻新材料股份有限公司 | Diatom ooze coating and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109082167A (en) * | 2018-08-21 | 2018-12-25 | 广州弘海化工科技有限公司 | Physical pest killing coating, preparation method and application |
| CN111747680A (en) * | 2019-03-26 | 2020-10-09 | 沈阳康亿环保科技有限公司 | Preparation method of environment-friendly liquid antibacterial diatom coating |
| CN111218169A (en) * | 2020-03-27 | 2020-06-02 | 吉林省绿森林环保科技有限公司 | Anti-cracking formaldehyde-removing interior wall coating and preparation method thereof |
| CN112375479A (en) * | 2020-11-16 | 2021-02-19 | 泰山石膏有限公司 | Aqueous mildew-proof environment-friendly coating and preparation method thereof |
| CN112646424A (en) * | 2020-12-09 | 2021-04-13 | 亿美(新丰)实业有限公司 | Interior wall coating and preparation method thereof |
| CN112778854A (en) * | 2020-12-29 | 2021-05-11 | 沈阳康亿环保科技有限公司 | Intelligent luminous liquid diatom coating |
| CN112852232A (en) * | 2021-01-15 | 2021-05-28 | 吉林省春之元硅藻新材料科技有限公司 | Pearl powder modified water-based diatom ooze coating and preparation method thereof |
| CN113025084A (en) * | 2021-02-02 | 2021-06-25 | 安徽硅能环保科技股份有限公司 | Environment-friendly diatom water paint and preparation method thereof |
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Application publication date: 20180817 |