CN109370351A - A kind of environment-friendly water-based diatom ooze coating and preparation method thereof - Google Patents
A kind of environment-friendly water-based diatom ooze coating and preparation method thereof Download PDFInfo
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- 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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- C09D125/00—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 an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
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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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Abstract
The invention discloses a kind of environment-friendly water-based diatom ooze coatings, are made of the primary raw material of following parts by weight: 35-45 parts of deionized water, 20-25 parts of diatomite, 15-20 parts of purified petroleum benzin ordor removing lotion, 10-15 parts of filler, 5-8 parts of adsorption complex, 2-3 parts of antibacterial agent, 0.5-1 parts of dispersing agent, 0.5-1 parts of defoaming agent, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickener；The invention also discloses the preparation methods of the environment-friendly water-based diatom ooze coating, include the following steps: step S1, are dispersed with stirring deionized water, dispersing agent, levelling agent, defoaming agent；Step S2, lower addition diatomite, filler, adsorption complex are mixed slowly；Step S3, purified petroleum benzin ordor removing lotion and antibacterial agent dispersion stirring is added, is eventually adding thickener adjustment viscosity.The present invention is solvent by water, using environment-friendly type base-material and auxiliary agent, ensure that the feature of environmental protection of diatom ooze coating, coating has low VOC content, is free of poisonous and harmful substance, environmentally protective, air cleaning superior performance.
Description
Technical field
The invention belongs to diatom ooze coating technical fields, and in particular, to a kind of environment-friendly water-based diatom ooze coating and its system
Preparation Method.
Background technique
Diatom ooze is a kind of using diatomite as the green inner wall decoration wall material of main raw material(s), and diatomite is a kind of silicalite
Stone is formed by being referred to as the dead later silicate remains of the unicellular alga of diatom, and main component is silica, electronics
Be shown as micron-sized porous material under microscope, porosity up to 90%, fine hole number on unit area than charcoal also than
It has more thousands of times.Just because of this kind of performance of diatomite, makes diatom ooze have good formaldehyde adsorption, purification air, adjusting wet
The functions such as the self-cleaning, deodorization and sterilization of degree, releasing negative oxygen ion, fire protection flame retarding, metope.Moreover, diatom ooze coating also has beauty
The characteristics of feeling outstanding, easy construction, therefore, diatom ooze become the selection of more and more consumers.
Currently, emulsion paint and dry powder diatom ooze are the Liang great main forces of modern house finishing paint, although however emulsion paint is viscous
It is strong to tie power, to the protecting effect of wall function that is good, but containing volatile organic matter, and do not purify the air of a room in itself；And
Although dry powder diatom ooze environmental-protecting performance is preferable, cohesive force is poor, not scrubbing resistance, easy dusting, and service life is not ideal enough.
Summary of the invention
The purpose of the present invention is to provide a kind of environment-friendly water-based diatom ooze coatings and preparation method thereof, are solvent by water,
Using environment-friendly type base-material and auxiliary agent, the feature of environmental protection of diatom ooze coating ensure that, coating has low VOC content, without poisonous and harmful
Substance, environmentally protective, air cleaning superior performance.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of environment-friendly water-based diatom ooze coating, is made of the primary raw material of following parts by weight: 35-45 parts of deionized water, silicon
20-25 parts of diatomaceous earth, 15-20 parts of purified petroleum benzin ordor removing lotion, 10-15 parts of filler, 5-8 parts of adsorption complex, 2-3 parts of antibacterial agent, dispersion
0.5-1 parts of agent, 0.5-1 parts of defoaming agent, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickener；
The environment-friendly water-based diatom ooze coating is prepared by following steps:
Step S1,600r/min- in high speed disperser agitator tank is added in deionized water, dispersing agent, levelling agent, defoaming agent
5-7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min-300r/min, diatomite, filler, absorption is added again
Object is closed, improves revolving speed to 1400r/min-1800r/min grinding distribution 30min-50min；
Step S3, revolving speed about 300r/min-400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent, dispersion stirring is added
10-12min is eventually adding thickener adjustment viscosity, environment-friendly water-based diatom ooze coating of the fineness less than 50 μm is obtained by filtration.
Further, the filler includes quartz sand, calcium carbonate, titanium dioxide, and quartz sand, calcium carbonate, titanium dioxide are according to matter
The ratio between amount is uniformly mixed obtained filler for 1:0.5-0.6:0.2-0.3；
Further, the diatomite is pre-processed as follows:
(1) 70% sulfuric acid and diatom original soil are mixed and stirred for uniformly according to the liquid-solid ratio of 10:5-7, in 45 DEG C of perseverance
2-3h is impregnated under the conditions of temperature, is then passed through sedimentation filtration, washing, drying, is obtained acidleach diatomite；
(2) acidleach diatomite is subjected to high-temperature roasting, maturing temperature is 480 DEG C, and calcining time 60min is pre-processed
Diatomite.
Further, the adsorption complex is prepared by the following method:
(1) at normal temperature, 0.51g ferric sulfate, 1.37g polyethylene glycol and 0.48g urea are added in beaker, are added
40mL deionized water, room temperature magnetic agitation is to being completely dissolved；
(2) it is slowly added to 0.052g zinc oxide while stirring, continues to be transferred to 50mL polytetrafluoroethyllining lining after stirring 20min
In, then liner is put into water heating kettle, it is put into 160 DEG C of heating reaction 10h of baking oven；
(3) after reacting and terminating and be cooled to room temperature, reaction gained black precipitate is taken out, and alternately cleaned with water and ethyl alcohol
3 times, product is finally put into the dry 6h of vacuum oven, obtains adsorption complex.
Further, the antibacterial agent is prepared by the following method:
(1) flyash is carried out grinding to sieve with 100 mesh sieve, 90min is calcined at 750 DEG C in Muffle furnace, then according to solid-liquid
Than calcined product is soaked in the hydrochloric acid solution of 4mol/L for 1g:5mL, it is stirred to react 2h under the conditions of 90 DEG C, then to mixed
Object is closed to be filtered, wash and dry；
(2) the flyash 4.0g after weighing above-mentioned drying successively adds 15.3g sodium metasilicate, 3.8g sodium hydroxide, 8.3mL
The sulfuric acid solution and 100mL deionized water that concentration is 3mol/L are in reaction system, and magnetic agitation is aged 12h under room temperature, then
It pours into hydrothermal reaction kettle, reacts 12h at 190 DEG C；It is filtered, washed solid after reaction to neutrality, is put into 105 in baking oven
It is DEG C dry to constant weight, obtain zeolite molecular sieve；
(3) after weighing zeolite molecular sieve, ammonium dihydrogen phosphate and chitosan by the mass ratio of 3:2:1, by zeolite molecular sieve
1.5-2 times of deionized water is added to stir, the salt acid for adjusting pH for being 1mol/L with concentration is to 6；Chitosan is dissolved in deionized water
In be configured to concentration be 1.5mol/L chitosan solution, ammonium dihydrogen phosphate is added in chitosan solution, stirring be in gel
It pours into zeolite molecular sieve turbid and stirs after shape, reaction time 3h, temperature is controlled at 40 DEG C, obtains antibacterial agent.
A kind of preparation method of environment-friendly water-based diatom ooze coating, includes the following steps:
Step S1,600r/min- in high speed disperser agitator tank is added in deionized water, dispersing agent, levelling agent, defoaming agent
5-7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min-300r/min, diatomite, filler, absorption is added again
Object is closed, improves revolving speed to 1400r/min-1800r/min grinding distribution 30min-50min；
Step S3, revolving speed about 300r/min-400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent, dispersion stirring is added
10-12min is eventually adding thickener adjustment viscosity, environment-friendly water-based diatom ooze coating of the fineness less than 50 μm is obtained by filtration.
Beneficial effects of the present invention:
(1) present invention is added to adsorption complex in the raw material for preparing diatom ooze coating, and the adsorption complex is
Fe3O4And ZnFe2O4Mixture, it is microcosmic it is upper there is acicular pattern, and product has high specific surface area and porous knot
Structure is conducive to the absorption of VOCs (volatile organic matter)；Meanwhile ZnFe2O4For semiconductor, after light excitation, electron transition is to leading
Band, leave hole can in air water generate OH can be with decomposing organic pollutant with high activity；What diatomite had
Loose porous and molecular sieve structure, can be not necessarily to illumination under conditions of in air oxygen and hydrone act on, generate active oxygen,
A variety of high activity factors such as negative oxygen ion continue harmful substances, adsorption complex and the silicon such as formaldehyde, the benzene in efficient-decomposition air
Algal gel mixing after with it is good removal VOCs ability, while can use solar energy degradation and mineralized water with it is each in air
Kind pollutant, becomes the material for having two kinds of functions of absorption and photocatalysis Decomposition concurrently；
(2) present invention pre-processes diatomite, and it is institute in diatomite to be made that diatomite, which is carried out acid processing purification,
The substances such as the aluminium oxide, the iron oxide that contain and acid solution occur chemical reaction and generate soluble salt, are dissolved, thus by it
Removal, and then the microchannel of diatomite is dredged, improve microcellular structure, to increase the Kong Rong and specific surface area of diatomite, reduces
Diatomite density hole, diatomaceous amount are significantly improved；Diatomite is after calcination process, due to its hole of high temperature after-flame
Organic matter in hole has melted a part and has been blocked in the interior clay impurity in micropore on surface of diatom body body, or even in diatom
Also there is micropore in the marginal portion of body, and the reduction of impurity significantly improves dioxide-containing silica in diatomite, micropore size
Increase and hole count increases, specific surface area increases, and microcellular structure further improves；The specific surface area of pretreated diatomite from
19.11m2/ g increases to 33.28m2/g；
(3) present invention is added to antibacterial agent in the feed, loads ammonium dihydrogen phosphate and chitosan, phosphoric acid by zeolite molecular sieve
Ammonium dihydrogen good anti-bacterial effect, chemical property are stablized, itself has broad-spectrum antibacterial property without color, can kill various bacteria
(Escherichia coli, staphylococcus, black-koji mould etc.), the zeolite molecular sieve pore volume being prepared are 0.031cm3/ g, specific surface
Product is 6.986m2/ g, apparent major bore are about 3nm, and the equivalent specific surface area of BET is 11.248m2/ g has biggish specific surface
Product, can load ammonium dihydrogen phosphate and chitosan, have protective effect to ammonium dihydrogen phosphate and chitosan, meanwhile, biphosphate
Ammonium and chitosan are carried by zeolite molecular sieve, can effectively be slowed down consumption, be improved the antibacterial bacteriostatic effect of ammonium dihydrogen phosphate；
(4) present invention ensure that the feature of environmental protection of diatom ooze coating using environment-friendly type base-material and auxiliary agent for solvent by water,
Coating has low VOC content, is free of poisonous and harmful substance, environmentally protective, also has certain bacteriostasis property, air cleaning performance
It is superior.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
A kind of environment-friendly water-based diatom ooze coating, is made of the primary raw material of following parts by weight: 35-45 parts of deionized water, silicon
20-25 parts of diatomaceous earth, 15-20 parts of purified petroleum benzin ordor removing lotion, 10-15 parts of filler, 5-8 parts of adsorption complex, 2-3 parts of antibacterial agent, dispersion
0.5-1 parts of agent, 0.5-1 parts of defoaming agent, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickener；
The dispersing agent is calgon or sodium polyphosphate；
The defoaming agent is silicone oil or Silicone-Polyester copolymer；
The levelling agent is 1,2- propylene glycol；
The thickener is polyacrylate alkali-swelling type thickener；
The filler includes quartz sand, calcium carbonate, titanium dioxide, and quartz sand, calcium carbonate, titanium dioxide are 1 according to mass ratio:
0.5-0.6:0.2-0.3 is uniformly mixed obtained filler；
Quartz sand, calcium carbonate, titanium dioxide can greatly improve the intensity and hardness of diatom ooze, can also reduce cost；
The diatomite is pre-processed as follows:
(1) 70% sulfuric acid and diatom original soil are mixed and stirred for uniformly according to the liquid-solid ratio of 10:5-7, in 45 DEG C of perseverance
2-3h is impregnated under the conditions of temperature, is then passed through sedimentation filtration, washing, drying, is obtained acidleach diatomite；
(2) acidleach diatomite is subjected to high-temperature roasting, maturing temperature is 480 DEG C, and calcining time 60min is pre-processed
Diatomite；
It is that the substances such as aluminium oxide contained in diatomite to be made, iron oxide and acid are molten that diatomite, which is carried out acid processing purification,
Liquid occurs chemical reaction and generates soluble salt, is dissolved, to remove it, and then dredges the microchannel of diatomite, changes
Kind microcellular structure reduces diatomite density hole to increase the Kong Rong and specific surface area of diatomite, it is diatomaceous measured it is bright
It is aobvious to improve；
Diatomite, due to the organic matter in its hole of high temperature after-flame, has melted a part of blocking after calcination process
Clay impurity in diatom body body and on surface in micropore, or even also there is micropore, impurity in the marginal portion of diatom body
Reduction significantly improve dioxide-containing silica in diatomite, micropore size increase and hole count increase, specific surface area increase, it is micro-
Pore structure further improves；
The specific surface area of pretreated diatomite is from 19.11m2/ g increases to 33.28m2/g；
The adsorption complex is prepared by the following method:
(1) at normal temperature, 0.51g ferric sulfate, 1.37g polyethylene glycol and 0.48g urea are added in beaker, are added
40mL deionized water, room temperature magnetic agitation is to being completely dissolved；
(2) it is slowly added to 0.052g zinc oxide while stirring, continues to be transferred to 50mL polytetrafluoroethyllining lining after stirring 20min
In, then liner is put into water heating kettle, it is put into 160 DEG C of heating reaction 10h of baking oven；
(3) after reacting and terminating and be cooled to room temperature, reaction gained black precipitate is taken out, and alternately cleaned with water and ethyl alcohol
3 times, product is finally put into the dry 6h of vacuum oven, obtains adsorption complex；
Synthesized adsorption complex is Fe3O4And ZnFe2O4Mixture, it is microcosmic it is upper there is acicular pattern, and produce
Object has high specific surface area and porous structure, is conducive to the absorption of VOCs (volatile organic matter)；Meanwhile ZnFe2O4Partly to lead
Body, after light excitation, electron transition to conduction band, OH can be generated with water in air by leaving hole, with high activity, Ke Yifen
Solve organic pollutant；
The loose porous and molecular sieve structure that diatomite has, can be not necessarily to illumination under conditions of with the oxygen and water in air
Molecular action generates a variety of high activity factors such as active oxygen, negative oxygen ion, and formaldehyde, the benzene etc. continued in efficient-decomposition air has
Evil substance, the ability with good removal VOCs after adsorption complex is mixed with diatom ooze, while can use solar energy drop
Various pollutants in solution and mineralized water and air, become the material for having two kinds of functions of absorption and photocatalysis Decomposition concurrently；
The antibacterial agent is prepared by the following method:
(1) flyash is carried out grinding to sieve with 100 mesh sieve, 90min is calcined at 750 DEG C in Muffle furnace, then according to solid-liquid
Than calcined product is soaked in the hydrochloric acid solution of 4mol/L for 1g:5mL, it is stirred to react 2h under the conditions of 90 DEG C, then to mixed
Object is closed to be filtered, wash and dry；
(2) the flyash 4.0g after weighing above-mentioned drying successively adds 15.3g sodium metasilicate, 3.8g sodium hydroxide, 8.3mL
The sulfuric acid solution and 100mL deionized water that concentration is 3mol/L are in reaction system, and magnetic agitation is aged 12h under room temperature, then
It pours into hydrothermal reaction kettle, reacts 12h at 190 DEG C；It is filtered, washed solid after reaction to neutrality, is put into 105 in baking oven
It is DEG C dry to constant weight, obtain zeolite molecular sieve；
(3) after weighing zeolite molecular sieve, ammonium dihydrogen phosphate and chitosan by the mass ratio of 3:2:1, by zeolite molecular sieve
1.5-2 times of deionized water is added to stir, the salt acid for adjusting pH for being 1mol/L with concentration is to 6；Chitosan is dissolved in deionized water
In be configured to concentration be 1.5mol/L chitosan solution, ammonium dihydrogen phosphate is added in chitosan solution, stirring be in gel
It pours into zeolite molecular sieve turbid and stirs after shape, reaction time 3h, temperature is controlled at 40 DEG C, obtains antibacterial agent；
Ammonium dihydrogen phosphate good anti-bacterial effect, chemical property are stablized, itself has broad-spectrum antibacterial property without color, can
It kills various bacteria (Escherichia coli, staphylococcus, black-koji mould etc.), the zeolite molecular sieve pore volume being prepared is
0.031cm3/ g, specific surface area 6.986m2/ g, apparent major bore are about 3nm, and the equivalent specific surface area of BET is 11.248m2/ g,
With biggish specific surface area, ammonium dihydrogen phosphate and chitosan can be loaded, there is protection to make ammonium dihydrogen phosphate and chitosan
With, meanwhile, ammonium dihydrogen phosphate and chitosan are carried by zeolite molecular sieve, can effectively be slowed down consumption, be improved ammonium dihydrogen phosphate
Antibacterial bacteriostatic effect；
The preparation method of the environment-friendly water-based diatom ooze coating, includes the following steps:
Step S1,600r/min- in high speed disperser agitator tank is added in deionized water, dispersing agent, levelling agent, defoaming agent
5-7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min-300r/min, diatomite, filler, absorption is added again
Object is closed, improves revolving speed to 1400r/min-1800r/min grinding distribution 30min-50min；
Step S3, revolving speed about 300r/min-400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent, dispersion stirring is added
10-12min is eventually adding thickener adjustment viscosity, environment-friendly water-based diatom ooze coating of the fineness less than 50 μm is obtained by filtration.
Embodiment 1
A kind of environment-friendly water-based diatom ooze coating, is made of the primary raw material of following parts by weight: 35 parts of deionized water, diatomite
20 parts, 15 parts of purified petroleum benzin ordor removing lotion, 10 parts of filler, 5 parts of adsorption complex, 2 parts of antibacterial agent, 0.5 part of calgon, silicone oil
0.5 part, 0.2 part of 1,2- propylene glycol, 0.2 part of polyacrylate alkali-swelling type thickener；
The filler includes quartz sand, calcium carbonate, titanium dioxide, and quartz sand, calcium carbonate, titanium dioxide are 1 according to mass ratio:
0.5:0.2 is uniformly mixed obtained filler；
The preparation method of the environment-friendly water-based diatom ooze coating, includes the following steps:
Step S1, deionized water, calgon, 1,2- propylene glycol, silicone oil are added in high speed disperser agitator tank
5min is dispersed with stirring under 600r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min, diatomite, filler, adsorption complex is added, improves
Revolving speed is to 1400r/min grinding distribution 30min；
Step S3, revolving speed about 300r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent is added, 10min is stirred in dispersion, finally
Polyacrylate alkali-swelling type thickener is added and adjusts viscosity, environment-friendly water-based diatom mash of the fineness less than 50 μm is obtained by filtration
Material.
Embodiment 2
A kind of environment-friendly water-based diatom ooze coating, is made of the primary raw material of following parts by weight: 40 parts of deionized water, diatomite
23 parts, 18 parts of purified petroleum benzin ordor removing lotion, 13 parts of filler, 7 parts of adsorption complex, 2.5 parts of antibacterial agent, 0.8 part of sodium polyphosphate, silicon oxygen
0.7 part of alkane-polyester copolymer, 0.3 part of 1,2- propylene glycol, 0.3 part of polyacrylate alkali-swelling type thickener；
The filler includes quartz sand, calcium carbonate, titanium dioxide, and quartz sand, calcium carbonate, titanium dioxide are 1 according to mass ratio:
0.55:0.25 is uniformly mixed obtained filler；
The preparation method of the environment-friendly water-based diatom ooze coating, includes the following steps:
Step S1, high speed dispersion is added in deionized water, sodium polyphosphate, 1,2- propylene glycol, Silicone-Polyester copolymer
6min is dispersed with stirring under 700r/min in machine agitator tank；
Step S2, under adjustment revolving speed about the mixing slowly of 250r/min, diatomite, filler, adsorption complex is added, improves
Revolving speed is to 1600r/min grinding distribution 40min；
Step S3, revolving speed about 350r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent is added, 11min is stirred in dispersion, finally
Polyacrylate alkali-swelling type thickener is added and adjusts viscosity, environment-friendly water-based diatom mash of the fineness less than 50 μm is obtained by filtration
Material.
Embodiment 3
A kind of environment-friendly water-based diatom ooze coating, is made of the primary raw material of following parts by weight: 45 parts of deionized water, diatomite
25 parts, 20 parts of purified petroleum benzin ordor removing lotion, 15 parts of filler, 8 parts of adsorption complex, 3 parts of antibacterial agent, 1 part of calgon, 1 part of silicone oil,
0.5 part of 1,2- propylene glycol, 0.5 part of polyacrylate alkali-swelling type thickener；
The filler includes quartz sand, calcium carbonate, titanium dioxide, and quartz sand, calcium carbonate, titanium dioxide are 1 according to mass ratio:
0.6:0.3 is uniformly mixed obtained filler；
The preparation method of the environment-friendly water-based diatom ooze coating, includes the following steps:
Step S1, deionized water, calgon, 1,2- propylene glycol, silicone oil are added in high speed disperser agitator tank
7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 300r/min, diatomite, filler, adsorption complex is added, improves
Revolving speed is to 1800r/min grinding distribution 50min；
Step S3, revolving speed about 400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent is added, 12min is stirred in dispersion, finally
Polyacrylate alkali-swelling type thickener is added and adjusts viscosity, environment-friendly water-based diatom mash of the fineness less than 50 μm is obtained by filtration
Material.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (6)
1. a kind of environment-friendly water-based diatom ooze coating, which is characterized in that be made of the primary raw material of following parts by weight: deionized water
35-45 parts, 20-25 parts of diatomite, 15-20 parts of purified petroleum benzin ordor removing lotion, 10-15 parts of filler, 5-8 parts of adsorption complex, antibacterial agent
2-3 parts, 0.5-1 parts of dispersing agent, 0.5-1 parts of defoaming agent, 0.2-0.5 parts of levelling agent, 0.2-0.5 parts of thickener；
The environment-friendly water-based diatom ooze coating is prepared by following steps:
Step S1,600r/min- in high speed disperser agitator tank is added in deionized water, dispersing agent, levelling agent, defoaming agent
5-7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min-300r/min, addition diatomite, filler, absorption are compound
Object improves revolving speed to 1400r/min-1800r/min grinding distribution 30min-50min；
Step S3, revolving speed about 300r/min-400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent, dispersion stirring 10- is added
12min is eventually adding thickener adjustment viscosity, environment-friendly water-based diatom ooze coating of the fineness less than 50 μm is obtained by filtration.
2. a kind of environment-friendly water-based diatom ooze coating according to claim 1, which is characterized in that the filler includes quartz
Sand, calcium carbonate, titanium dioxide, quartz sand, calcium carbonate, titanium dioxide are uniformly mixed according to mass ratio for 1:0.5-0.6:0.2-0.3
Filler is made.
3. a kind of environment-friendly water-based diatom ooze coating according to claim 1, which is characterized in that the diatomite is according to as follows
Method is pre-processed:
(1) 70% sulfuric acid and diatom original soil are mixed and stirred for uniformly according to the liquid-solid ratio of 10:5-7, in 45 DEG C of constant temperature item
2-3h is impregnated under part, is then passed through sedimentation filtration, washing, drying, is obtained acidleach diatomite；
(2) acidleach diatomite is subjected to high-temperature roasting, maturing temperature is 480 DEG C, calcining time 60min, obtains pretreatment diatom
Soil.
4. a kind of environment-friendly water-based diatom ooze coating according to claim 1, which is characterized in that the adsorption complex is by such as
The preparation of lower section method:
(1) at normal temperature, 0.51g ferric sulfate, 1.37g polyethylene glycol and 0.48g urea are added in beaker, add 40mL
Deionized water, room temperature magnetic agitation is to being completely dissolved；
(2) it is slowly added to 0.052g zinc oxide while stirring, continues to be transferred in 50mL polytetrafluoroethyllining lining after stirring 20min,
Liner is put into water heating kettle again, is put into 160 DEG C of heating reaction 10h of baking oven；
(3) after reacting end and being cooled to room temperature, reaction gained black precipitate is taken out, and alternately cleaned 3 times with water and ethyl alcohol,
Product is finally put into the dry 6h of vacuum oven, obtains adsorption complex.
5. a kind of environment-friendly water-based diatom ooze coating according to claim 1, which is characterized in that the antibacterial agent is by such as lower section
Method is prepared:
(1) flyash is carried out grinding to sieve with 100 mesh sieve, calcines 90min at 750 DEG C in Muffle furnace, is then according to solid-to-liquid ratio
Calcined product is soaked in the hydrochloric acid solution of 4mol/L by 1g:5mL, 2h is stirred to react under the conditions of 90 DEG C, then to mixture
It is filtered, washes and dries；
(2) the flyash 4.0g after weighing above-mentioned drying successively adds 15.3g sodium metasilicate, 3.8g sodium hydroxide, 8.3mL concentration
For 3mol/L sulfuric acid solution and 100mL deionized water in reaction system, under room temperature magnetic agitation be aged 12h, be subsequently poured into
In hydrothermal reaction kettle, 12h is reacted at 190 DEG C；It is filtered, washed solid after reaction to neutrality, is put into baking oven and does for 105 DEG C
It is dry to constant weight, obtain zeolite molecular sieve；
(3) after weighing zeolite molecular sieve, ammonium dihydrogen phosphate and chitosan by the mass ratio of 3:2:1, zeolite molecular sieve is added
1.5-2 times of deionized water stirring, the salt acid for adjusting pH for being 1mol/L with concentration is to 6；Chitosan is dissolved in deionized water and is matched
The chitosan solution that concentration is 1.5mol/L is made, ammonium dihydrogen phosphate is added in chitosan solution, stirring is in after gel
It pours into zeolite molecular sieve turbid and stirs, reaction time 3h, temperature is controlled at 40 DEG C, obtains antibacterial agent.
6. a kind of preparation method of environment-friendly water-based diatom ooze coating, which comprises the steps of:
Step S1,600r/min- in high speed disperser agitator tank is added in deionized water, dispersing agent, levelling agent, defoaming agent
5-7min is dispersed with stirring under 800r/min；
Step S2, under adjustment revolving speed about the mixing slowly of 200r/min-300r/min, addition diatomite, filler, absorption are compound
Object improves revolving speed to 1400r/min-1800r/min grinding distribution 30min-50min；
Step S3, revolving speed about 300r/min-400r/min is adjusted, purified petroleum benzin ordor removing lotion and antibacterial agent, dispersion stirring 10- is added
12min is eventually adding thickener adjustment viscosity, environment-friendly water-based diatom ooze coating of the fineness less than 50 μm is obtained by filtration.
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| CN112251143A (en) * | 2020-09-30 | 2021-01-22 | 佘丽辉 | Preparation method of self-repairing water-based diatom ooze coating |
| CN112252631A (en) * | 2020-09-30 | 2021-01-22 | 邹圣春 | Preparation method of roll-coating type diatom ooze environment-friendly wallboard |
| CN112266631A (en) * | 2020-09-30 | 2021-01-26 | 佘丽辉 | Preparation method of fiber mesh composite diatom ooze coating |
| CN112409930A (en) * | 2020-11-27 | 2021-02-26 | 蓝天豚绿色建筑新材料有限公司 | Special water-based diatom ooze for environment-friendly home decoration and preparation process thereof |
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| CN112266631A (en) * | 2020-09-30 | 2021-01-26 | 佘丽辉 | Preparation method of fiber mesh composite diatom ooze coating |
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| CN117004259B (en) * | 2023-08-07 | 2024-05-17 | 浙江登丰泵业有限公司 | Air purification spray paint and air purification plate |
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Application publication date: 20190222 |