CN105838122A - Healthy and ecological shell powder coating and preparation method thereof - Google Patents
Healthy and ecological shell powder coating and preparation method thereof Download PDFInfo
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- CN105838122A CN105838122A CN201610398945.2A CN201610398945A CN105838122A CN 105838122 A CN105838122 A CN 105838122A CN 201610398945 A CN201610398945 A CN 201610398945A CN 105838122 A CN105838122 A CN 105838122A
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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
- 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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- 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
- C09D7/65—Additives macromolecular
Abstract
The invention discloses a healthy and ecological shell powder coating. Natural shell powder is taken as a main raw material, and quartz sand, ground calcium carbonate, cellulose, bentonite and redispersible emulsion powder are added, and no poisonous and harmful substances are added; the healthy and ecological shell powder coating has the functions of adsorbing and decomposing indoor poisonous gases; meanwhile, the healthy and ecological shell powder coating also can persistently release negative ions benefiting a human body.
Description
Technical field
The present invention relates to a kind of novel Environment-friendlyinternal internal wall paint and preparation method thereof, particularly relate to a kind of healthy, raw
State type shell powder paint and preparation method thereof.
Background technology
In recent years, along with environmental consciousness constantly strengthens, people are to the requirement of the performance of interior wall coating and security increasingly
Height, traditional coating after being moistened, easy breed bacteria, produce come off, the phenomenon such as variable color, have a strong impact on service life and room
Interior attractive in appearance, the most indoor contaminated air cannot be carried out purified treatment.
Oyster shell whiting is by making after high-temperature calcination, pulverizing by natural seashell.Its constituent be calcium carbonate, calcium oxide,
The calcified materials such as calcium hydroxide, this has absorption, the effect decomposing (formaldehyde, benzene, ammonia) etc. and regulation air wet as cellular
The functions such as degree, the oyster shell whiting simultaneously fired to including including Escherichia coli, salmonella, staphylococcus aureus etc. multiple carefully
Bacterium has extremely strong antibacterial and bactericidal action, and has the function of anticorrosion, mildew-resistant.Adding oyster shell whiting in coating, that makes is interior
Wall coating will have good absorption pernicious gas and fungistatic effect.
Patent document CN1370807A discloses a kind of water-based wall paint using oyster shell whiting, has adhesion strong, resistance to
The combination property such as scrub, anti-aging, the most also there is certain safety and environmental protection performance, but this coating system does not add energy
The material of enough resolving harmful gas, so can not effectively purify the air of a room.Patent document CN101774785A discloses one
Interior wall coating kind with oyster shell whiting as main component, it is with shell calcium carbonate and calcium oxide as main material, with dispersiveness latex
Powder is binding agent, with the addition of Nano titanium dioxide and anion powder, has certain effect purifying air, but this painting
In material system, nano titanium oxide and tourmaline powder are to be directly appended in oyster shell whiting, and the two is a simple mixing, does not has
Having formation one stable and firmly combine, so during construction and using, coating purifies the limited use and not of air
Can be persistently.
Chinese invention patent CN103011682A discloses a kind of coating adding oyster shell whiting, the invention provides a kind of shellfish
The method of modifying of shell powder: the preparation process at Nano titanium dioxide adds tourmaline powder and oyster shell whiting, makes nanoscale titanium dioxide
Titanium particle and tourmaline powder can more preferably be supported in the micropore of oyster shell whiting, will not come off because of scouring, release that can be permanent
Go out anion room air to be purified and sterilization processing.But Nano titanium dioxide particle and tourmaline powder exist in this patent
Load effect on oyster shell whiting is the best, needs repeatedly to load in preparation process, and process is loaded down with trivial details, purifies and bactericidal effect still needs to be carried
High.
Summary of the invention
The technical problem existed based on background technology, the present invention propose a kind of shell powder paint healthy, environmental and
Preparation method.
A kind of shell powder paint healthy, environmental, including following main component:
Modified shell fine powder 40-60%
Quartz sand 10-20%
Powdered whiting 15-20%
Cellulose 5-10%
Bentonite 0.2-0.3%
Redispersible latex powder 3-5%.
A kind of health, the preparation method of environmental shell powder paint, comprise the following steps:
A, putting in mixer by powdered whiting, rotating speed is 300-500rpm；
B, bentonite is joined in mixer, stir 5-10min；
C, it is 800-1000rpm by rotational speed regulation, adds redispersible latex powder and cellulose, stir 5-10min；
D, it is slowly added to modified shell fine powder, stirs 15-20min；
E, it is eventually adding quartz sand, stirs 15-20min, obtain described coating.
The preparation method of described modified shell fine powder, comprises the following steps:
A, by hydrochloric acid soaking and washing 1h of shell 0.1-0.2%, wash away the organic of shell surface and inorganic impurity, spend
Ionized water puts into oven drying after cleaning；
B, shell is heated in Muffle furnace 700 DEG C, keeps temperature lasting 4-6h, calcined product is ground, mistake 80
Mesh sieve, obtains oyster shell whiting；
C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide are stirred 15-20min, stir
After mixing uniformly, it is heated to 200 DEG C, adds phenolic resin, stir, send in die arrangement, set press time, temperature
And pressure, suppress, obtain compressing tablet；
D, compressing tablet is put in Muffle furnace calcine, be brought rapidly up to 700 DEG C, then gradually heat up with the speed of 5 DEG C/min
To 900 DEG C, and persistently calcine 60-90min；
E, temperature is risen to 1200 DEG C, continue 25-30min, after cooling, calcined product is ground, cross 200 mesh sieves, to obtain final product
To modified shell fine powder.
Preferably, described redispersible latex powder is the DP-8208 of Rhom and Hass.
Preferably, the particle diameter of described Nano titanium dioxide is 30-50nm, the particle diameter of described nano-scaled electric stone flour
For 60-80nm.
Preferably, in described step C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide with
The percentage by weight of phenolic resin is respectively as follows: 80-85%, 0.1-0.2%, 0.2-0.3%, 0.5-0.8%, 15-20%.
Preferably, the parameter of die arrangement is set as: thickness 3-5mm, press time 5-10min, temperature 200-300 DEG C,
Pressure 35-40MPa.
Preferably, step D, E course of reaction in, be ceaselessly passed through by ventilation unit abundance air.
Preferably, the preparation method of described nano-scaled electric stone flour, comprise the following steps:
A, tourmaline is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain tourmaline powder；
B, being dissolved in water by tourmaline powder, carry out ultrasonic disperse, 80 mesh filter screens filter and go the removal of impurity, then carry out wet method
Grind, it is thus achieved that natural sedimentation after slurry, then by mechanical means sediment separate out, sediment sends wet grinding link back to again
Participate in grinding；
C, sedimentary slurry adds wetting agent removing, use ultrasonic disperse, and suspension press filtration is obtained filter
Cake；Use high-energy ball milling that filter cake is ground, accelerate precipitation by centrifugation, isolate extra-fine grinding sediment, send back to
Extra-fine grinding link participates in grinding again；Removing sedimentary extra-fine grinding slurry, obtain filter cake by press filtration, dry acquisition is received
Meter level tourmaline powder.
Preferably, the preparation method of described Nano titanium dioxide, comprise the following steps:
A, n-butanol is diluted butyl titanate dissolve obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
B, n-butanol, neopelex mixed solution are added in high-temperature pressurizing reactor, solution is heated to
120 DEG C, and boost to 6-8MPa from normal pressure, then enough titanium precursors solution is added drop-wise in solution, stirs 8-10 hour
Carrying out condensation reaction, during reaction, temperature is gradually warming up to 200 DEG C from 120 DEG C；
C, by reaction gained solution centrifugal after use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source, therein
The rotating speed of centrifuge is 2000-3500rpm；
D, titanium source is calcined under the conditions of 350-950 DEG C 2-3 hour, then the product after calcining is cooled to room temperature,
To Nano titanium dioxide.
Construction method
1, coating is added water stir into pasty state (ratio of mud about 4:1) with electric mixer, directly smear with brush
In substrate surface；
2, construction thickness about 1mm, needs to carry out twice rendering, can need to carry out after smearing when one after first surface drying
Construction, gross thickness is not preferably greater than 3mm；
3, mixed coating needs to be finished at 3-4 hour；
4, construction environment temperature is less than 5 degree or should not construct higher than 35 degree.
Molybdenum bisuphide is important kollag, is particularly well-suited under HTHP.It is described as, and " senior solid moistens
Lubricating oil king ".The solid powder that molybdenum bisuphide is changed molecular structure by natural molybdenum concntrate powder after chemical purification and makes.This product
Look black slightly band silver gray, has metallic luster, and that touches has a soapy feeling, water insoluble.Product has good dispersion, inadherent excellent
Point, can be added in various grease, forms exhausted inadherent colloidal state, can increase lubricity and the extreme pressure property of grease.Also fit
For high temperature, high pressure, the machine work state of high rotating speed high load capacity, extension device life-span.
Bentonite is the aqueous argillic horizon based on montmorillonite, and it has excellent ion exchangeable, dilatancy, adhesion
Property, plasticity, fire resistance, bentonite has stronger water imbibition, can improve the intensity of material；It also has unique selection absorption
Property, can absorption solidification permanent to the radioactive substance in block material, have and purify and the function of repairing environment.
The crystalline solid of calcium carbonate mainly has calcite and the aragonite of iris class, the heavy carbonic acid of inclined three crystal class of multiple tripartite
Calcium is exactly calcite in powder.The present invention adds powdered whiting and can be effectively increased toughness and the intensity of product.
Quartz sand is the broken quartz particles processed of quartz warp, and quartz is a kind of nonmetallic mineral, is one
Planting hard, wear-resisting, the silicate mineral of stable chemical performance, its main mineral constituent is silica, selected by the present invention
In quartz sand, dioxide-containing silica is not less than 98%, and intensity is high, anti-wear performance is good.
In the present invention, shell being heated in Muffle furnace 700 DEG C, keep temperature lasting 4-6h, shell starts to occur micro-
Cavernous structure, hole is less, but owing to reaction continue for 4-6h, therefore hole spreads all over shell surface and inside.Shell after calcining is ground
It is milled to the micron order oyster shell whiting of 80 mesh, by oyster shell whiting and Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide and phenolic aldehyde
Mixed with resin, it is therefore an objective to Nano titanium dioxide, nano-scaled electric stone flour are sufficiently mixed with oyster shell whiting, molybdenum bisuphide is lubrication
Agent, and phenolic resin is binding agent, the close slabbing of convenient compacting, then by compressing tablet from 700 DEG C, then with 5 DEG C/min's
Speed is gradually heating to 900 DEG C, and persistently micron order macropore, simultaneously carbonic acid can be occurred by calcining 60-90min in oyster shell whiting surface
Calcium is thoroughly decomposed into calcium oxide, and discharges great amount of carbon dioxide, makes oyster shell whiting surface have huge specific surface area, its energy of adsorption
Power is greatly enhanced, and can be completely fixed in micron openings, Nano titanium dioxide and nano-scaled electric stone flour finally by temperature
It is increased to 1200 DEG C, continues 25-30min, the organic matters such as phenolic resin are decomposed completely.
Correlated response formula is (under conditions of oxygen abundance):
Organic matter=H2O+ carbohydrate+CO2(＞ 700 DEG C)
CaCO3=CaO+CO2(＞ 900 DEG C)
Organic matter=H2O+CO2(＞ 1200 DEG C).
The invention have benefit that:
With Nano titanium dioxide, nano-scaled electric stone flour, curing when 1, shell first be heated to occurring microcellular structure
Molybdenum and phenolic resin mixed pressuring plate, then common high-temperature calcination, can be by the Nano titanium dioxide of trace and nano-scaled electric
Stone flour is completely dispersed in the micron openings of shell fine powder, and load effect is the best, it is not necessary to repeatedly load, and uses the modification of the present invention
The preparation method of shell fine powder can reach low cost, high efficiency effect, ring prepared by this modification shell fine powder of final utilization
Friendly coating possesses good air cleaning, sterilization processing and negative ion releasing function.
2, the phenolic resin simultaneously added in the present invention is under conditions of being passed through large quantity of air, the most at high temperature becomes
Steam and carbon dioxide, to environment and human body non-hazardous, and the modified shell fine powder prepared is without organic matter, is inorganic
Thing, whole preparation process and product, all to environment and human body non-hazardous, are the oyster shell whiting preparation methods of a kind of health, environmental protection.
3, the health that prepared by the present invention, environmental shell powder paint, with natural oyster shell whiting as raw material, have without any
Poison, harmful substance, have a function of toxic gas in absorption, decomposition chamber, while can also be permanent discharge human body useful
Anion.
Detailed description of the invention
Embodiment 1:
A kind of shell powder paint healthy, environmental, including following main component:
Modified shell fine powder 50%
Quartz sand 18%
Powdered whiting 20%
Cellulose 8%
Bentonite 0.2%
Redispersible latex powder 3.8%.
A kind of health, the preparation method of environmental shell powder paint, comprise the following steps:
A, putting in mixer by powdered whiting, rotating speed is 400rpm,
B, bentonite is joined in mixer, stirs 8min,
C, it is 1000rpm by rotational speed regulation, adds redispersible latex powder and cellulose, stir 8min,
D, it is slowly added to modified shell fine powder, stirs 15min；
E, it is eventually adding quartz sand, stirs 20min, obtain described coating.
The preparation method of described modified shell fine powder, comprises the following steps:
A, by shell by hydrochloric acid soaking and washing 1h of 0.15%, wash away the organic of shell surface and inorganic impurity, spend from
Sub-water puts into oven drying after cleaning；
B, shell is heated in Muffle furnace 700 DEG C, keeps temperature lasting 5h, calcined product is ground, mistake 80 mesh
Sieve, obtains oyster shell whiting；
C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide being stirred 18min, stirring is all
After even, it be heated to 200 DEG C, add phenolic resin, stir, send in die arrangement, set press time, temperature and pressure
Power, suppresses, and obtains compressing tablet；The parameter of die arrangement is set as: thickness 4mm, press time 8min, temperature 250 DEG C, pressure
35MPa。
D, compressing tablet is put in Muffle furnace calcine, be brought rapidly up to 700 DEG C, then gradually heat up with the speed of 5 DEG C/min
To 900 DEG C, and persistently calcine 70min；
E, temperature is risen to 1200 DEG C, continue 25min, after cooling, calcined product is ground, cross 200 mesh sieves, i.e. obtain
Modified shell fine powder.
Described redispersible latex powder is the DP-8208 of Rhom and Hass.
The particle diameter of described Nano titanium dioxide is 30-50nm, and the particle diameter of described nano-scaled electric stone flour is 60-
80nm。
In described step C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide and phenolic resin
Percentage by weight be respectively as follows: 83%, 0.15%, 0.25%, 0.6%, 16%.
Step D, E course of reaction in, be ceaselessly passed through by ventilation unit abundance air.
The preparation method of described nano-scaled electric stone flour, comprises the following steps:
A, tourmaline is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain tourmaline powder；
B, being dissolved in water by tourmaline powder, carry out ultrasonic disperse, 80 mesh filter screens filter and go the removal of impurity, then carry out wet method
Grind, it is thus achieved that natural sedimentation after slurry, then by mechanical means sediment separate out, sediment sends wet grinding link back to again
Participate in grinding；
C, sedimentary slurry adds wetting agent removing, use ultrasonic disperse, and suspension press filtration is obtained filter
Cake；Use high-energy ball milling that filter cake is ground, accelerate precipitation by centrifugation, isolate extra-fine grinding sediment, send back to
Extra-fine grinding link participates in grinding again；Removing sedimentary extra-fine grinding slurry, obtain filter cake by press filtration, dry acquisition is received
Meter level tourmaline powder.
The preparation method of described Nano titanium dioxide, comprises the following steps:
A, n-butanol is diluted butyl titanate dissolve obtain the titanium precursors solution that concentration is 0.2mol/L；
B, n-butanol, neopelex mixed solution are added in high-temperature pressurizing reactor, solution is heated to
120 DEG C, and boost to 7MPa from normal pressure, then enough titanium precursors solution is added drop-wise in solution, stirs and contract for 8 hours
Closing reaction, during reaction, temperature is gradually warming up to 200 DEG C from 120 DEG C；
C, by reaction gained solution centrifugal after use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source, therein
The rotating speed of centrifuge is 2500rpm；
D, titanium source is calcined under the conditions of 600 DEG C 3 hours, then the product after calcining is cooled to room temperature, obtains nanometer
Grade titanium dioxide.
Construction method
1, coating is added water stir into pasty state (ratio of mud about 4:1) with electric mixer, directly smear with brush
In substrate surface；
2, construction thickness about 1mm, needs to carry out twice rendering, can need to carry out after smearing when one after first surface drying
Construction, gross thickness is not preferably greater than 3mm；
3, mixed coating needs to be finished at 3-4 hour；
4, construction environment temperature is less than 5 degree or should not construct higher than 35 degree.
Embodiment 2
A kind of shell powder paint healthy, environmental, including following main component:
Modified shell fine powder 53.5%
Quartz sand 20%
Powdered whiting 17.5%
Cellulose 5%
Bentonite 0.3%
Redispersible latex powder 3.7%.
A kind of health, the preparation method of environmental shell powder paint, comprise the following steps:
A, putting in mixer by powdered whiting, rotating speed is 500rpm,
B, bentonite is joined in mixer, stirs 5min,
C, it is 800rpm by rotational speed regulation, adds redispersible latex powder and cellulose, stir 5-10min,
D, it is slowly added to modified shell fine powder, stirs 18min；
E, it is eventually adding quartz sand, stirs 15min, obtain described coating.
The preparation method of described modified shell fine powder, comprises the following steps:
A, by shell by hydrochloric acid soaking and washing 1h of 0.1%, wash away the organic of shell surface and inorganic impurity, use deionization
Water puts into oven drying after cleaning；
B, shell is heated in Muffle furnace 700 DEG C, keeps temperature lasting 4h, calcined product is ground, mistake 80 mesh
Sieve, obtains oyster shell whiting；
C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide being stirred 20min, stirring is all
After even, it be heated to 200 DEG C, add phenolic resin, stir, send in die arrangement, set press time, temperature and pressure
Power, suppresses, and obtains compressing tablet；The parameter of die arrangement is set as: thickness 5mm, press time 10min, temperature 300 DEG C, pressure
Power 35MPa.
D, compressing tablet is put in Muffle furnace calcine, be brought rapidly up to 700 DEG C, then gradually heat up with the speed of 5 DEG C/min
To 900 DEG C, and persistently calcine 70min；
E, temperature is risen to 1200 DEG C, continue 30min, after cooling, calcined product is ground, cross 200 mesh sieves, i.e. obtain
Modified shell fine powder.
Described redispersible latex powder is the DP-8208 of Rhom and Hass.
The particle diameter of described Nano titanium dioxide is 30-50nm, and the particle diameter of described nano-scaled electric stone flour is 60-
80nm。
In described step C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide and phenolic resin
Percentage by weight be respectively as follows: 81%, 0.2%, 0.3%, 0.8%, 17.7%.
Step D, E course of reaction in, be ceaselessly passed through by ventilation unit abundance air.
The preparation method of described nano-scaled electric stone flour, comprises the following steps:
A, tourmaline is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain tourmaline powder；
B, being dissolved in water by tourmaline powder, carry out ultrasonic disperse, 80 mesh filter screens filter and go the removal of impurity, then carry out wet method
Grind, it is thus achieved that natural sedimentation after slurry, then by mechanical means sediment separate out, sediment sends wet grinding link back to again
Participate in grinding；
C, sedimentary slurry adds wetting agent removing, use ultrasonic disperse, and suspension press filtration is obtained filter
Cake；Use high-energy ball milling that filter cake is ground, accelerate precipitation by centrifugation, isolate extra-fine grinding sediment, send back to
Extra-fine grinding link participates in grinding again；Removing sedimentary extra-fine grinding slurry, obtain filter cake by press filtration, dry acquisition is received
Meter level tourmaline powder.
The preparation method of described Nano titanium dioxide, comprises the following steps:
A, n-butanol is diluted butyl titanate dissolve obtain the titanium precursors solution that concentration is 0.25mol/L；
B, n-butanol, neopelex mixed solution are added in high-temperature pressurizing reactor, solution is heated to
120 DEG C, and boost to 6MPa from normal pressure, then enough titanium precursors solution is added drop-wise in solution, stirs and carry out for 10 hours
Condensation reaction, during reaction, temperature is gradually warming up to 200 DEG C from 120 DEG C；
C, by reaction gained solution centrifugal after use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source, therein
The rotating speed of centrifuge is 2000rpm；
D, titanium source is calcined under the conditions of 550 DEG C 2 hours, then the product after calcining is cooled to room temperature, obtains nanometer
Grade titanium dioxide.
Construction method
1, coating is added water stir into pasty state (ratio of mud about 4:1) with electric mixer, directly smear with brush
In substrate surface；
2, construction thickness about 1mm, needs to carry out twice rendering, can need to carry out after smearing when one after first surface drying
Construction, gross thickness is not preferably greater than 3mm；
3, mixed coating needs to be finished at 3-4 hour；
4, construction environment temperature is less than 5 degree or should not construct higher than 35 degree.
Embodiment 3
A kind of shell powder paint healthy, environmental, including following main component:
Modified shell fine powder 44.75%
Quartz sand 20%
Powdered whiting 20%
Cellulose 10%
Bentonite 0.25%
Redispersible latex powder 5%.
A kind of health, the preparation method of environmental shell powder paint, comprise the following steps:
A, putting in mixer by powdered whiting, rotating speed is 300rpm,
B, bentonite is joined in mixer, stirs 10min,
C, it is 900rpm by rotational speed regulation, adds redispersible latex powder and cellulose, stir 10min,
D, it is slowly added to modified shell fine powder, stirs 20min；
E, it is eventually adding quartz sand, stirs 20min, obtain described coating.
The preparation method of described modified shell fine powder, comprises the following steps:
A, by shell by hydrochloric acid soaking and washing 1h of 0.1%, wash away the organic of shell surface and inorganic impurity, use deionization
Water puts into oven drying after cleaning；
B, shell is heated in Muffle furnace 700 DEG C, keeps temperature lasting 4h, calcined product is ground, mistake 80 mesh
Sieve, obtains oyster shell whiting；
C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide being stirred 15min, stirring is all
After even, it be heated to 200 DEG C, add phenolic resin, stir, send in die arrangement, set press time, temperature and pressure
Power, suppresses, and obtains compressing tablet；The parameter of die arrangement is set as: thickness 3mm, press time 5min, temperature 200 DEG C, pressure
40MPa。
D, compressing tablet is put in Muffle furnace calcine, be brought rapidly up to 700 DEG C, then gradually heat up with the speed of 5 DEG C/min
To 900 DEG C, and persistently calcine 70min；
E, temperature is risen to 1200 DEG C, continue 30min, after cooling, calcined product is ground, cross 200 mesh sieves, i.e. obtain
Modified shell fine powder.
Described redispersible latex powder is the DP-8208 of Rhom and Hass.
The particle diameter of described Nano titanium dioxide is 30-50nm, and the particle diameter of described nano-scaled electric stone flour is 60-
80nm。
In described step C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide and phenolic resin
Percentage by weight be respectively as follows: 80%, 0.1%, 0.3%, 0.6%, 19%.
Step D, E course of reaction in, be ceaselessly passed through by ventilation unit abundance air.
The preparation method of described nano-scaled electric stone flour, comprises the following steps:
A, tourmaline is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain tourmaline powder；
B, being dissolved in water by tourmaline powder, carry out ultrasonic disperse, 80 mesh filter screens filter and go the removal of impurity, then carry out wet method
Grind, it is thus achieved that natural sedimentation after slurry, then by mechanical means sediment separate out, sediment sends wet grinding link back to again
Participate in grinding；
C, sedimentary slurry adds wetting agent removing, use ultrasonic disperse, and suspension press filtration is obtained filter
Cake；Use high-energy ball milling that filter cake is ground, accelerate precipitation by centrifugation, isolate extra-fine grinding sediment, send back to
Extra-fine grinding link participates in grinding again；Removing sedimentary extra-fine grinding slurry, obtain filter cake by press filtration, dry acquisition is received
Meter level tourmaline powder.
The preparation method of described Nano titanium dioxide, comprises the following steps:
A, n-butanol is diluted butyl titanate dissolve obtain the titanium precursors solution that concentration is 0.1mol/L；
B, n-butanol, neopelex mixed solution are added in high-temperature pressurizing reactor, solution is heated to
120 DEG C, and boost to 8MPa from normal pressure, then enough titanium precursors solution is added drop-wise in solution, stirs and contract for 8 hours
Closing reaction, during reaction, temperature is gradually warming up to 200 DEG C from 120 DEG C；
C, by reaction gained solution centrifugal after use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source, therein
The rotating speed of centrifuge is 3500rpm；
D, titanium source is calcined under the conditions of 700 DEG C 2.5 hours, then the product after calcining is cooled to room temperature, is received
Meter level titanium dioxide.
Construction method
1, coating is added water stir into pasty state (ratio of mud about 4:1) with electric mixer, directly smear with brush
In substrate surface；
2, construction thickness about 1mm, needs to carry out twice rendering, can need to carry out after smearing when one after first surface drying
Construction, gross thickness is not preferably greater than 3mm；
3, mixed coating needs to be finished at 3-4 hour；
4, construction environment temperature is less than 5 degree or should not construct higher than 35 degree.
Embodiment 1-3 is detected:
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Compression strength (MPa) | 16.7 | 13.5 | 14.3 |
| Rupture strength (MPa) | 5.5 | 4.7 | 4.8 |
| Adhesion strength (MPa) | 1.3 | 1.1 | 1.3 |
Hereinafter the partial parameters in technique is made a concrete analysis of:
Embodiment 4
Being adjusted by the particle diameter of the Nano titanium dioxide in embodiment 1, other technological parameters prepared are constant, with can
Redispersibility latex powder is film forming matter, and the coating obtained carries out steel plate film, and thickness is 5mm, tests:
Knowable to above test data, the particle diameter of Nano titanium dioxide is the least, and the fungistatic effect of film is the best, but particle diameter
When below 50nm, particle diameter reduces the least on the impact of bacteriostasis rate, therefore in order to reduce cost, the present invention selects 30-50nm particle diameter
Nano titanium dioxide.
Embodiment 5
Being adjusted by the particle diameter of the nano-scaled electric stone flour in embodiment 1, other technological parameters prepared are constant, with can
Redispersibility latex powder is film forming matter, and the coating obtained is carried out steel plate film, and thickness is 5mm, tests:
Knowable to above test data, the particle diameter of nano-tourmaline powder is the least, and the anion releasing effect of film is the best, but
Particle diameter is when below 80nm, and particle diameter reduces the least on the impact of anion burst size, therefore in order to reduce cost, the present invention selects
The nano-scaled electric stone flour of 60-80nm particle diameter.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (9)
1. a health, environmental shell powder paint, it is characterised in that include following main component:
Modified shell fine powder 40-60%
Quartz sand 10-20%
Powdered whiting 15-20%
Cellulose 5-10%
Bentonite 0.2-0.3%
Redispersible latex powder 3-5%.
Shell powder paint the most healthy, environmental, it is characterised in that described redispersible latex
Powder is the DP-8208 of Rhom and Hass；
A kind of health, the preparation method of environmental shell powder paint, it is characterised in that comprise the following steps:
A, putting in mixer by powdered whiting, rotating speed is 300-500rpm；
B, bentonite is joined in mixer, stir 5-10min；
C, it is 800-1000rpm by rotational speed regulation, adds redispersible latex powder and cellulose, stir 5-10min；
D, it is slowly added to modified shell fine powder, stirs 15-20min；
E, it is eventually adding quartz sand, stirs 15-20min, obtain described coating.
3. the preparation method of the modified shell fine powder described in, comprises the following steps:
A, by hydrochloric acid soaking and washing 1h of shell 0.1-0.2%, wash away the organic of shell surface and inorganic impurity, use deionization
Water puts into oven drying after cleaning；
B, shell is heated in Muffle furnace 700 DEG C, keeps temperature lasting 4-6h, calcined product is ground, mistake 80 mesh sieves,
Obtain oyster shell whiting；
C, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide being stirred 15-20min, stirring is all
After even, it be heated to 200 DEG C, add phenolic resin, stir, send in die arrangement, set press time, temperature and pressure
Power, suppresses, and obtains compressing tablet；
D, compressing tablet is put in Muffle furnace calcine, be brought rapidly up to 700 DEG C, be then gradually heating to 900 with the speed of 5 DEG C/min
DEG C, and persistently calcine 60-90min；
E, temperature is risen to 1200 DEG C, continue 25-30min, after cooling, calcined product is ground, cross 200 mesh sieves, i.e. changed
Property shell fine powder.
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that described nanometer
The particle diameter of grade titanium dioxide is 30-50nm, and the particle diameter of described nano-scaled electric stone flour is 60-80nm.
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that described step C
In, oyster shell whiting, Nano titanium dioxide, nano-scaled electric stone flour, molybdenum bisuphide are respectively as follows: with the percentage by weight of phenolic resin
80-85%、0.1-0.2%、0.2-0.3%、0.5-0.8%、15-20%。
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that die arrangement
Parameter is set as: thickness 3-5mm, press time 5-10min, temperature 200-300 DEG C, pressure 35-40MPa.
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that in step D, E
In course of reaction, ceaselessly it is passed through the air of abundance by ventilation unit.
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that described nanometer
The preparation method of level tourmaline powder, comprises the following steps:
A, tourmaline is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain tourmaline powder；
B, being dissolved in water by tourmaline powder, carry out ultrasonic disperse, 80 mesh filter screens filter and go the removal of impurity, then carry out wet method and grind
Mill, it is thus achieved that natural sedimentation after slurry, then by mechanical means sediment separate out, sediment is sent wet grinding link back to and is again joined
With grinding；
C, sedimentary slurry adds wetting agent removing, use ultrasonic disperse, and suspension press filtration is obtained filter cake；Adopt
With high-energy ball milling, filter cake is ground, accelerates precipitation by centrifugation, isolate extra-fine grinding sediment, send ultra-fine grinding back to
Bull ring joint participates in grinding again；Remove sedimentary extra-fine grinding slurry, obtain filter cake by press filtration, be dried and obtain nanoscale electricity
Gas stone flour.
The preparation method of shell powder paint the most healthy, environmental, it is characterised in that described nanometer
The preparation method of grade titanium dioxide, comprises the following steps:
A, n-butanol is diluted butyl titanate dissolve obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
B, n-butanol, neopelex mixed solution are added in high-temperature pressurizing reactor, solution is heated to 120
DEG C, and boost to 6-8MPa from normal pressure, then enough titanium precursors solution is added drop-wise in solution, stirs 8-10 hour and carry out
Condensation reaction, during reaction, temperature is gradually warming up to 200 DEG C from 120 DEG C；
C, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source, therein be centrifuged
The rotating speed of machine is 2000-3500rpm；
D, titanium source is calcined under the conditions of 350-950 DEG C 2-3 hour, then the product after calcining is cooled to room temperature, is received
Meter level titanium dioxide.
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| CN106431080A (en) * | 2016-09-18 | 2017-02-22 | 广西棕海园林工程有限公司 | Diatomaceous earth plastering material for internal walls and preparation method of material |
| CN106478054A (en) * | 2016-09-30 | 2017-03-08 | 吴丰 | A kind of conch meal colored finish coating and preparation method thereof |
| CN108046657A (en) * | 2017-12-25 | 2018-05-18 | 广州瓷添乐装饰材料有限公司 | A kind of preparation and application of multifunctional nano shell powder paint |
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| CN106478054A (en) * | 2016-09-30 | 2017-03-08 | 吴丰 | A kind of conch meal colored finish coating and preparation method thereof |
| CN109894072A (en) * | 2017-12-07 | 2019-06-18 | 秦皇岛贝壳森林环保科技有限公司 | A kind of marine ecology nanometer conch meal and its method for being used to prepare conch meal base material for air purification |
| CN108046657A (en) * | 2017-12-25 | 2018-05-18 | 广州瓷添乐装饰材料有限公司 | A kind of preparation and application of multifunctional nano shell powder paint |
| CN108046657B (en) * | 2017-12-25 | 2021-03-02 | 广州瓷添乐装饰材料有限公司 | Preparation and application of nano multifunctional shell powder coating |
| CN108727879A (en) * | 2018-06-13 | 2018-11-02 | 隋皓为 | A kind of oil shale makes ecologic coating and additive |
| CN110183196A (en) * | 2019-05-15 | 2019-08-30 | 五邑大学 | A kind of shell powder paint and preparation method thereof for protecting eyesight |
| CN110183196B (en) * | 2019-05-15 | 2021-10-08 | 五邑大学 | Eyesight-protecting shell powder coating and preparation method thereof |
| WO2021102746A1 (en) * | 2019-11-27 | 2021-06-03 | 惠州学院 | Dry powder paint with long-lasting antibacterial and antifungal effect and preparation method therefor |
| CN110982307A (en) * | 2019-12-05 | 2020-04-10 | 广东贝尤安新材料科技有限公司 | Ecological shell powder interior wall coating and preparation method thereof |
| CN114106679A (en) * | 2021-12-23 | 2022-03-01 | 南京工程学院 | Multifunctional heavy-duty anticorrosive coating and preparation method and application thereof |
| CN114106679B (en) * | 2021-12-23 | 2023-02-07 | 南京工程学院 | Multifunctional heavy-duty anticorrosive coating and preparation method and application thereof |
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Denomination of invention: A healthy and ecological shell powder coating and its preparation method Effective date of registration: 20220519 Granted publication date: 20170208 Pledgee: Jiangmen Rural Commercial Bank Co.,Ltd. Gujing sub branch Pledgor: GUANGDONG BEIYOUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980005935 |