CN109575728A - Environment-friendly interior wall coating and preparation method thereof - Google Patents
Environment-friendly interior wall coating and preparation method thereof Download PDFInfo
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- CN109575728A CN109575728A CN201811445292.4A CN201811445292A CN109575728A CN 109575728 A CN109575728 A CN 109575728A CN 201811445292 A CN201811445292 A CN 201811445292A CN 109575728 A CN109575728 A CN 109575728A
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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
- C09D143/00—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 containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
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- C09D5/08—Anti-corrosive paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
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- 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
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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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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The invention discloses a kind of environment-friendly interior wall coatings and preparation method thereof.Environment-friendly interior wall coating contains the following parts by weight: 45-75 parts of modified conch meals, 15-20 parts of tourmaline powders, 5-10 parts of diatomite, 5-10 parts of hydroxypropyl methyl celluloses, 1-5 parts of defoaming agents, 1-3 parts of dispersing agents, 2-6 parts of thixotropic agent, 1-2 parts of titanium dioxides, 2-5 parts of calcined kaolins, 1-5 parts of hollow glass micropearls, 1-5 parts of coalescing agents, 15-20 parts of nano-titanium dioxides, 20-30 parts of organosilicon-modified acrylic emulsions, 5-10 parts of ethylene-vinyl acetate copolymers, 80-100 parts of deionized water；Preparation method is the following steps are included: S1, cellulose dispersion；S2, raw material mixing, grinding；S3, ingredient are added；S4, finished product.Environment-friendly interior wall coating of the invention has non-volatile pernicious gas, and can adsorb and the pernicious gases such as degradation of formaldehyde, environmentally protective advantage.
Description
Technical field
The present invention relates to technical field of coatings, more specifically, it relates to a kind of environment-friendly interior wall coating and preparation method thereof.
Background technique
Interior wall water emulsion coating is the indispensable material of house decoration, now with the enhancing of people's environmental consciousness, to dress
The requirement for the internal wall emulsion coating repaired is higher and higher, and the relatively high polyvinyl formal class coating of Form aldehyde release is gradually
Be eliminated, various release anions, low VOC Environment-friendlyinternal internal wall paint use it is more and more, in terms of health and environmental protection
Into major step, how to develop the problem of environment-friendly coating is as people's growing interest.Spy is especially in recent years, with people
Improvement of living standard, living conditions constantly improve, start gradually pay attention to finishing pollution cause problem of environmental pollution.Country
Relevant department has successively formulated the series of standards in relation to indoor environment, from building decoration materials to indoor air quality etc.
It is controlled.
Indoor environmental pollution is with the most serious after fitting up of new residence, and the most common chemical contamination gas includes first after fitting up of new residence
Aldehyde, benzene homologues, ammonia, radon gas and volatile organic matter etc., this five kinds of toxic gases and harmful substance are referred to as house fitting
In " 5 big stealthy killer ".Wherein formaldehyde is carcinogenic substance, has been listed in the detection of China's building decoration engineering compulsory execution
Mesh.The concentration up to standard of different national standard PARA FORMALDEHYDE PRILLS(91,95)s has different regulations, " Indoor Air Quality standards " GB/T18883-
2002 regulation indoor formaldehyde concentration up to standard are 0.10mg/m3, " code for indoor environmental pollution control of civil building engineering "
GB50325-2001 provides that the formaldehyde concentration up to standard of a kind of civil buildings is 0.08mg/m3, the formaldehyde of two class civil buildings is up to standard
Concentration is 0.12mg/m3.Formaldehyde is very serious to the harm of human body, the formaldehyde of Long Term Contact low concentration or high concentration, to human body
Health can all cause very important influence, and formaldehyde can stimulate mucous membrane and skin, cause liver lung function and immunologic dysfunction, sternly
Gene mutation is potentially carcinogenic and caused when weight.
In the prior art, application No. is the Chinese invention patent application file of CN201710983248.8, one kind is disclosed
Environment-friendly type indoor wall water-repellent paint, the water-repellent paint are grouped as by the group of following parts by weight: hydrogenation C5 Petropols and stone
30~40 parts of the compound emulsifying agent of wax, calcite in powder, 8~18 parts, conch meal, 4~12 parts, amino propylamine dioleate, 1~
2.3 parts, propylene-glycol ethyl ether, 1.2~2.2 parts, dimethyl silicone polymer, 0.2~1 part, water, 20~35 parts；Wherein, C5 stone is hydrogenated
The components by weight percent of oleoresin and paraffin proportion is 1:1~1.3:1.
Although harmful substance volatilization is less in water-repellent paint in existing this environment-friendly type room, there is good waterproof function
Can, but pernicious gases such as formaldehyde released for indoor furniture or other ornaments do not adsorb and degradation function.
Summary of the invention
In view of the deficienciess of the prior art, the first purpose of this invention is to provide a kind of environment-friendly interior wall coating,
It is few with pernicious gas volatilization, and can adsorb and the pernicious gases such as degradation of formaldehyde, environmentally protective advantage.
Second object of the present invention is to provide a kind of preparation method of environment-friendly interior wall coating have the painting prepared
Expect that dispersion degree is high, the stronger advantage of the ability of adhesive force and covering blind crack to interior wall.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that a kind of environment-friendly interior wall coating, feature
It is, contains the following parts by weight: 45-75 powder modified conch meal, 15-20 parts of tourmaline powders, 5-10 parts of diatomite, 5-10
Part hydroxypropyl methyl cellulose, 1-5 parts of defoaming agents, 1-3 parts of dispersing agents, 2-6 parts of thixotropic agent, 1-2 parts of titanium dioxides, 2-5 parts of calcinings
Kaolin, 1-5 part hollow glass micropearl, 1-5 parts of coalescing agents, 15-20 parts of nano-titanium dioxides, 20-30 parts it is organic-silicon-modified
80-100 parts of acrylic emulsion, 5-10 part ethylene-vinyl acetate copolymer, deionized water.
Added by using above-mentioned technical proposal, in deionized water modified conch meal, hollow glass micropearl, tourmaline powder,
Coating made from nano-titanium dioxide etc., has excellent function of removing formaldehyde, and modified conch meal being capable of adsorption-decomposition function formaldehyde, purification
Air eliminates peculiar smell, and at the same time have the function of antibacterial, antibacterial, can adjusting air humidity, with unique aquatic respiration function
Can, and can make interior wall coating that there is antistatic and fireproof flame-retardant effect using modified conch meal tourmaline, calcined kaolin etc.,
Calcined kaolin can also improve film contrast ratio simultaneously, and improve abrasion resistance and resistance tocrocking makes with titanium dioxide collective effect
Interior wall keeps clean, prevents interior wall jaundice fouling；Diatomite can improve the physical and chemical performance of coating, improve persistence and weather-proof
Property, enhance the expanding ability of coating, reduce crackle and oil absorption, enhances resistance to corrosion, while diatomite and calcined kaolin
With porous structure, there is preferable gas permeability after dried coating film, the harmful substance in air can be adsorbed；Defoaming agent can
Reducing surface tension of liquid makes bubbles burst, keeps coating homogeneous, the smooth pore-free of the film coated surface of formation, dispersing agent can
Solid particles sediment and cohesion are prevented, forms conglomeration in coating, influences film quality；It does with nano-titanium dioxide and mainly fills out
Material, have the function of moisture absorption, antibacterial, it is mould proof, eliminate the unusual smell, ensure that bacterium and persistently elimination, reduce environmental pollution, using electrical
Mountain flour can sustained release anion, the pernicious gases such as formaldehyde can be effectively eliminated, and in environment-friendly interior wall coating of the invention
It is prepared using the raw material without APEO, volatile organic matter and formaldehyde, reduces waving for the pernicious gases such as formaldehyde from source
Hair, while can adsorb and degradation of formaldehyde, to achieve the effect that environmentally protective.
Further, the parts by weight of the component are as follows: 55-65 powder modified conch meal, 17-19 parts of tourmaline powders, 7-9 parts of silicon
Diatomaceous earth, 6-8 part hydroxypropyl methyl cellulose, 3-4 parts of defoaming agents, 1.8-2.4 parts of dispersing agents, 3-4 parts of thixotropic agent, 1.4-1.8 parts
Titanium dioxide, 3-4 part calcined kaolin, 2-4 parts of hollow glass micropearls, 2-4 parts of coalescing agents, 17-19 parts of nano-titanium dioxides,
24-28 parts of organosilicon-modified acrylic emulsions, 7-9 parts of ethylene-vinyl acetate copolymers, 85-95 parts of deionized water.
It can be avoided each raw material since the usage amount of each component in raw material is more accurate by using above-mentioned technical proposal
Waste, save the cost.
Further, the modified conch meal contains the following parts by weight: 10-20 parts, 100-150 parts quality of shell
Score is sodium hydroxide solution, 80-100 parts of distilled water, 5-10 parts of polyethylene glycol, 30-50 parts of dehydrated alcohols, the 5-10 of 4-8%
Silver nitrate solution, the 5-10 parts of 2-amino-2-methyl-1-propanols that part zinc stearate, 10-25 parts of mass fractions are 1-2%.
By using above-mentioned technical proposal, wet-process modified, shell is carried out to shell using zinc stearate and silver nitrate solution
In calcium ion etc. be easy and zinc stearate in carboxyl reaction generate calcium stearate, be covered on the surface of shell powder particles, make
Conch meal becomes lipophilic by hydrophily, and anion is being supported on conch meal surface using silver nitrate solution, is working as room air
In contain formaldehyde when, anion can react with formaldehyde, and formaldehyde is converted into titanium dioxide and water, when ammonia is contained in interior
When, anion can form silver-colored ammonia complexing ion with ammonia, to eliminate ammonia, and there is anion excellent sterilization to make
With can prevent because humidity is higher on the metope of interior wall, breed bacterium.
Further, the preparation method of the modified conch meal includes the following steps: (1) by shell sodium hydroxide solution
18-28h is impregnated, as in baking oven after ultrasonic cleaning is multiple, dry 20-24h, grinds, mistake after taking-up at 100-130 DEG C
Shell powder is made in 100 mesh screens；
(2) shell powder is taken, distilled water and polyethylene glycol is added, heating water bath is added to 95-100 DEG C after sonic oscillation dispersion
1.5-2h is mixed in zinc stearate, filters, filters again after being washed with dehydrated alcohol；
(3) step (2) gains are taken, silver nitrate solution is added, control solid-to-liquid ratio is 1:6-8,3-4h is stirred, with 2- amino -2-
It is 7.5-8 that methyl-1-propyl alcohol, which adjusts pH value, is filtered, dry, obtains modified conch meal.
By using above-mentioned technical proposal, carried out clearly with impurity and dirt of the sodium hydroxide solution to shell surface first
It removes, shell powder is made, processing is being modified to shell powder with zinc stearate, is controlling modification temperature and modification time, it can
It is that zinc stearate dissolution is more complete, the surface of conch meal is wrapped up more evenly, uses 2-amino-2-methyl-1-propanol as soda acid
Regulator can adjust the pH value in the system, and coating system is made to keep alkalescence, be conducive to coating and keep stablizing, reduce and apply
Material is reassociated or is settled out, and stablizes coating property, and has excellent safe and nontoxic performance.
Further, the grinding shells time is 10-12h in the step (1), and abrasive media is zirconia ball, ratio of grinding media to material
For 4-6:1, drum's speed of rotation 30-40r/min.
By using above-mentioned technical proposal, using zirconium oxide be mill ball and control ratio of grinding media to material is 4-6:1, grinds shell,
It can make grinding shells more fine uniform.
Further, the dispersing agent is one of sodium polyphosphate, sodium pyrophosphate, lauryl sodium sulfate or a variety of
Composition.
By using above-mentioned technical proposal, with the addition of dispersing agent, the average grain diameter of tourmaline powder can be gradually reduced,
Facilitate the mutual peptizaiton of each component, while additionally aiding dispersion of the tourmaline powder in copolymerization system, prevents solid
The sedimentation and cohesion of grain.
Further, the granularity of the hollow glass micropearl is 10-20 μm, and wall thickness is 1-2 μm.
By using above-mentioned technical proposal, the hollow glass micropearl for the use of granularity being 10-20 μm can increase the resistance to of coating
Burn into fire resisting, sound insulation and anti-pollution can eliminate film internal stress, it is ensured that dimensional stability reduces film because expanding with heat and contract with cold
Caused by cracking and be detached from, improve the impact resistance of film, and can reduce VOC value.
Further, the thixotropic agent is aluminum magnesium silicate.
By using above-mentioned technical proposal, using aluminum magnesium silicate as thixotropic agent, with apparent thickening power, original is prevented
Material sedimentation, the phenomenon that causing coating to be layered, and syneresis can be improved.
Further, the coalescing agent is 2 that mass ratio is 3:1-2:2-3,2,4- trimethyl -1,3- pentanediol Dan Yi
Butyrate, dry film mould inhibitor and dodecyl phenol polyethenoxy ether.
By using above-mentioned technical proposal, 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates can promote each component
Plastic Flow and flexible deformation, improve coalescence performance can reach most when being used in compounding with dodecyl phenol polyethenoxy ether
Excellent improvement performance；When 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates and dry film mould inhibitor are used in compounding, association is generated
The film continuity of same-action, formation is excellent, improves cohesiveness, the weatherability of slurry, and film is made to have good stable storing
Property.
To realize above-mentioned second purpose, the present invention provides the following technical scheme that a kind of preparation of environment-friendly interior wall coating
Method, comprising the following steps:
S1, cellulose dispersion: deionized water is weighed, is put into reactor, is heated to 50-70 DEG C, hydroxypropyl methyl fiber is added
Element and modified conch meal, are stirred under the revolving speed of 400-500r/min, until cellulose sufficiently dissolves, form cooling after uniform solution
To room temperature；
S2, raw material mixing, grinding: by tourmaline powder, diatomite, calcined kaolin, titanium dioxide, nano-titanium dioxide and thixotroping
Agent is added in the solution that step S1 is formed, and in the case where there is water cooling, control revolving speed is 1500-2000r/min, high speed dispersion
5-10min, after being uniformly dispersed, the high speed grinding under the revolving speed of 2500-3000r/min makes fineness reach 50 μm；
S3, ingredient are added: defoaming agent, dispersing agent, organic-silicon-modified propylene is added under the revolving speed of 1000-1500r/min later
Yogurt liquid, coalescing agent and ethylene-vinyl acetate copolymer stir 10-15min；
S4, finished product: being eventually adding hollow glass micropearl, and 10-20min, finished product is sufficiently stirred.
By using above-mentioned technical proposal, dissolution dispersion is carried out to hydroxypropyl methyl cellulose first, prevents hydroxypropyl first
Base cellulose generates electrostatic and strong absorption, and is firstly added modified conch meal and hydroxypropyl methyl cellulose, through perstearic acid
Conch meal after zinc modification can prevent hydroxypropyl methyl cellulose conglomeration, facilitate cellulose dispersion, using above method system
The dispersion degree of standby coating is higher, has excellent adhesive force and blind crack covering power to interior wall, and have excellent first
Aldehyde absorption and degradation effect.
In conclusion the invention has the following advantages:
The first, interior wall is prepared since the present invention is used as using modified conch meal, tourmaline powder etc. without the substance of pernicious gas volatilization
The raw material of coating, since modified conch meal has the function of excellent elimination formaldehyde and sterilizing, and tourmaline powder can be held
Continuous continuous release anion, to eliminate indoor formaldehyde, it is few to obtain pernicious gas volatilization, and can adsorb has with degradation of formaldehyde etc.
Evil gas, environmentally protective interior wall coating；
The second, preferably conch meal is modified using zinc stearate and silver nitrate solution in the present invention, first in zinc stearate
Hydroxyl and conch meal in calcium ion react so that zinc stearate is covered on conch meal surface, make conch meal hydrophily
Switch to lipophilicity, then load silver ion is supported on conch meal, makes conch meal that there are the pernicious gases such as excellent elimination formaldehyde
Ability, and with sterilizing performance；
It is preferable to use 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecanes in third, the present invention
Base phenol polyethenoxy ether can promote each component as coalescing agent, 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates
Plastic Flow and flexible deformation, improving coalescence performance can be optimal when being used in compounding with dodecyl phenol polyethenoxy ether
Improvement performance；When 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates and dry film mould inhibitor are used in compounding, collaboration is generated
Effect, the film continuity of formation is excellent, improves cohesiveness, the weatherability of slurry, and film is made to have good storage stability；
4th, the present invention prevents raw material from settling as thixotropic agent using aluminum magnesium silicate with apparent thickening power, causes coating
The phenomenon that being layered, and coating syneresis can be improved；
5th, it is firstly added modified conch meal and hydroxypropyl methyl cellulose in method of the invention, hydroxypropyl first can be prevented
Base cellulose generates electrostatic and strong absorption, and is firstly added modified conch meal and hydroxypropyl methyl cellulose, through perstearic acid
Conch meal after zinc modification can prevent hydroxypropyl methyl cellulose conglomeration, facilitate cellulose dispersion.
Specific embodiment
Invention is further described in detail with reference to embodiments.
The preparation example of modified conch meal
Shell selects clam shell, raw oyster shell or clam loudspeaker shell in following preparation example.
Preparation example 1:(1) according to the proportion in table 1, the hydroxide for being 4% by 10 kilograms of shell double centner mass fractions
Sodium solution impregnates 18h, and as in baking oven after ultrasonic cleaning is multiple, dry 20h, grinds after taking-up at 100 DEG C, crosses 100 mesh
Shell powder is made in sieve；Ultrasonic cleaning frequency is 25kHz, and single scavenging period is 5min, milling time 10h, grinding
Medium is zirconia ball, ratio of grinding media to material 4:1, drum's speed of rotation 30r/min；
(2) shell powder is taken, is added 80 kilograms of distilled water and 5 kilograms of polyethylene glycol, heating water bath is to 95 after sonic oscillation dispersion
DEG C, 5 kilograms of zinc stearates are added, 1.5h is mixed, filters, is filtered again after being washed with 30 kilograms of dehydrated alcohols；It is wherein ultrasonic
Wave frequency of oscillation is 40kHz, duration of oscillation 20min；
(3) step (2) gains are taken, 10 kilograms of silver nitrate solutions are added, control solid-to-liquid ratio is 1:6,3h is stirred, with 5 kilograms of 2-
It is 7.5 that amino-2-methyl -1- propyl alcohol, which adjusts pH value, is filtered, dry, obtains modified conch meal.
Preparation example 2:(1) according to the proportion in table 1, the hydroxide for being 6% with 125 kilogram-mass scores by 15 kilograms of shells
Sodium solution impregnates 25h, and as in baking oven after ultrasonic cleaning is multiple, dry 22h, grinds after taking-up at 115 DEG C, crosses 100 mesh
Shell powder is made in sieve；Ultrasonic cleaning frequency is 35kHz, and single scavenging period is 8min, milling time 11h, grinding
Medium is zirconia ball, ratio of grinding media to material 5:1, drum's speed of rotation 35r/min；
(2) shell powder is taken, is added 90 kilograms of distilled water and 8 kilograms of polyethylene glycol, heating water bath is to 98 after sonic oscillation dispersion
DEG C, 8 kilograms of zinc stearates are added, 1.8h is mixed, filters, is filtered again after being washed with 40 kilograms of dehydrated alcohols；It is wherein ultrasonic
Wave frequency of oscillation is 45kHz, duration of oscillation 25min；
(3) step (2) gains are taken, 17 kilograms of silver nitrate solutions are added, control solid-to-liquid ratio is 1:7,3.5h is stirred, with 8 kilograms
It is 7.8 that 2-amino-2-methyl-1-propanol, which adjusts pH value, is filtered, dry, obtains modified conch meal.
Preparation example 3:(1) according to the proportion in table 1, the hydroxide for being 8% with 150 kilogram-mass scores by 20 kilograms of shells
Sodium solution impregnates 28h, and as in baking oven after ultrasonic cleaning is multiple, drying for 24 hours, is ground after taking-up at 130 DEG C, crosses 100 mesh
Shell powder is made in sieve；Ultrasonic cleaning frequency is 40kHz, and single scavenging period is 10min, milling time 12h, grinding
Medium is zirconia ball, ratio of grinding media to material 6:1, drum's speed of rotation 40r/min；
(2) it takes shell powder, double centner distilled water and 10 kilograms of polyethylene glycol is added, heating water bath is extremely after sonic oscillation dispersion
100 DEG C, 10 kilograms of zinc stearates are added, 2h is mixed, filters, is filtered again after being washed with 50 kilograms of dehydrated alcohols；Wherein surpass
Sonication frequency is 50kHz, duration of oscillation 30min；
(3) step (2) gains are taken, 25 kilograms of silver nitrate solutions are added, control solid-to-liquid ratio is 1:8,4h is stirred, with 10 kilograms of 2-
It is 8 that amino-2-methyl -1- propyl alcohol, which adjusts pH value, is filtered, dry, obtains modified conch meal.
The raw material proportioning of modified conch meal in 1 preparation example 1-3 of table
Embodiment
Tourmaline powder uses Lingshou County Peng Xian mineral products processing factory and specification electrical for the white of 325 mesh in following embodiment
Mountain flour, diatomite use Celite Celite499 diatomite, and calcined kaolin is advised in the Quan Feng mineral products processing factory of Lingshou County
Lattice are the calcined kaolin of 325 mesh, and titanium dioxide is selected from the safe board anatase titanium dioxide in DTA-102 type east of Dongming Chemical Co., Ltd., the city Heng Zhou
Titanium dioxide, organosilicon-modified acrylic emulsion are selected from the organic-silicon-modified propylene of EA2031S type of Sanmu Group Co., Ltd., Jiangsu
Yogurt liquid, ethylene-vinyl acetate copolymer are selected from Celanese Celvolit1491 lotion, and it is blue that dry film mould inhibitor is selected from Foshan City
The dry film mould inhibitor of peak auxiliary agent Co., Ltd and model LF-20, higher alcohols defoaming agent, which is selected from Suzhou City scape space environmental protection science and technology, to be had
Similar other type products can also be used in the HC-23/24/25 of limit company production, above-mentioned every kind of component.
A kind of embodiment 1: preparation method of environment-friendly interior wall coating, comprising the following steps:
S1, cellulose dispersion: according to the proportion in table 2, weighing 80 kilograms of deionized waters, be put into reactor, be heated to 50 DEG C,
5 kilograms of hydroxypropyl methyl celluloses and 45 kilograms of modified conch meals are added, are stirred under the revolving speed of 400r/min, until cellulose fills
Divide dissolution, is cooled to room temperature after forming uniform solution；Conch meal is wherein modified to be prepared by preparation example 1；
S2, raw material mixing, grinding: by 15 kilograms of tourmaline powders, 5 kilograms of diatomite, 2 kilograms of calcined kaolins, 1 kilogram of titanium white
Powder, 15 kilograms of nano-titanium dioxides and 2 kilograms of aluminum magnesium silicates are added in the solution that step S1 is formed, in the case where there is water cooling,
Control revolving speed is 1500r/min, high speed dispersion 5min, and after being uniformly dispersed, the high speed grinding under the revolving speed of 2500r/min makes thin
Degree reaches 50 μm；
S3, ingredient be added: later under the revolving speed of 1000r/min be added 1 kilogram of defoaming agent, 1 kilogram of dispersing agent, 20 kilograms it is organic
Fluorine-silicon modified acrylic lotion, 1 kilogram of coalescing agent and 5 kilograms of ethylene-vinyl acetate copolymers stir 10min；Wherein dispersing agent
For sodium polyphosphate, defoaming agent is higher alcohols defoaming agent, and coalescing agent is 2 that mass ratio is 3:1:2,2,4- trimethyls -1,3-
Pentanediol mono isobutyrate, dry film mould inhibitor and dodecyl phenol polyethenoxy ether；
S4, finished product: being eventually adding 1 kilogram of hollow glass micropearl, is sufficiently stirred 10min, finished product, wherein hollow glass
The granularity of microballon is 10 μm, and wall thickness is 1 μm.
The raw material proportioning of environment-friendly interior wall coating in 2 embodiment 1-4 of table
Embodiment 2: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, temperature of reactor in step S1
It is 55 DEG C, stirring rate 440r/min, modified conch meal is prepared by preparation example 2；Stirring rate is in step S2
1600r/min, high speed dispersion 7min, after being uniformly dispersed, the high speed grinding under the revolving speed of 2700r/min makes fineness reach 50 μm；
Stirring rate is 1300r/min in step S3；Mixing time is 13min in step S4, and wherein dispersing agent is sodium pyrophosphate；Step
Mixing time is 13min in S4, and the granularity of hollow glass micropearl is 14 μm, and wall thickness is 1.4 μm.
Embodiment 3: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, reactor in step S1
Temperature is 65 DEG C, stirring rate 480r/min, and modified conch meal is prepared by preparation example 3；Stirring rate is in step S2
1800r/min, high speed dispersion 7min, after being uniformly dispersed, the high speed grinding under the revolving speed of 2900r/min makes fineness reach 50 μm；
Stirring rate is 1400r/min in step S3；Mixing time is 14min in step S4, and wherein dispersing agent is dodecyl sulphate
Sodium；Mixing time is 17min in step S4, and the granularity of hollow glass micropearl is 18 μm, and wall thickness is 1.8 μm.
Embodiment 4: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, reactor in step S1
Temperature is 70 DEG C, stirring rate 500r/min；Stirring rate is 2000r/min, high speed dispersion 10min, dispersion in step S2
After uniformly, the high speed grinding under the revolving speed of 3000r/min makes fineness reach 50 μm；Stirring rate is 1500r/ in step S3
min；Mixing time is 15min in step S4, and wherein dispersing agent is sodium pyrophosphate；Mixing time is 20min in step S4, hollow
The granularity of glass microballoon is 20 μm, and wall thickness is 2 μm.
Embodiment 5: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, coalescing agent is quality
Than 2 for 3:1.5:2.5,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecylphenol polyoxy second
Alkene ether.
Embodiment 6: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, coalescing agent is quality
Than 2 for 3:2:3,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecyl phenol polyethenoxy
Ether.
Comparative example
Comparative example 1: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, the raw material of environment-friendly interior wall coating
It is middle to replace modified conch meal with conch meal.
Comparative example 2: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, environment-friendly interior wall coating
Tourmaline powder is not added in raw material.
Comparative example 3: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, environment-friendly interior wall coating
Modified conch meal is replaced using shell in raw material, and does not add tourmaline powder.
Comparative example 4: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, environment-friendly interior wall coating
Hollow glass micropearl is not added in raw material.
Comparative example 5: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, coalescing agent is quality
Than 2 for 3:0.5:1.5,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecylphenol polyoxy second
Alkene ether.
Comparative example 6: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, coalescing agent is quality
Than 2 for 3:2.5:3.5,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecylphenol polyoxy second
Alkene ether.
Comparative example 7: a kind of preparation method of environment-friendly interior wall coating, the difference from embodiment 1 is that, environment-friendly interior wall coating
Aluminum magnesium silicate is not added in raw material.
Performance detection test
1, the performance detection of environment-friendly interior wall coating: environment protection interior wall is prepared according to the method in embodiment 1-6 and comparative example 1-7 and is applied
Material, and following performance is detected according to the requirement of high-class product in GB/T9756-2001 " interior wall coating national standard full text ": (1) hold
State in device；(2) workability；(3) low-temperature stability；(4) drying time (surface drying)；(5) appearance of film；(6) contrast ratio is (white
Color and light color): (7) water resistance；(8) abrasion resistance, according to the testing result such as table of environment-friendly interior wall coating made from embodiment 1-6
Shown in 3, the testing result according to environment-friendly interior wall coating made from comparative example 1-6 is as shown in table 4.
Table 3 according to environment-friendly interior wall coating made from embodiment 1-6 performance test results
The environment-friendly interior wall coating prepared it can be seen from data in table 3 according to method in embodiment 1-6 is homogeneous, in container
Middle no lump, and be not in layering, it has good workability, and under cryogenic, undergo no deterioration, film is normal, drying time
Fastly, water resistance is strong, does not occur exception in 24 hours, and washability number is high.
The performance test results for the environment-friendly interior wall coating that table 4 is prepared according to method in comparative example 1-6
Modified conch meal is not used in comparative example 1 it can be seen from data in table 4, causes dry manufactured compared in embodiment 1-6
Coating drying time is long, though abrasion resistance number is more than Grade A in GB/T9756-2001 " interior wall coating national standard full text "
Standard value, but compared with embodiment 1-6, washability number is few；It is not added with tourmaline powder respectively in comparative example 2 and comparative example 3,
Abrasion resistance number is few compared with Example 1 for coating prepared by comparative example 2, and coating prepared by comparative example 3 does not add hollow glass
Glass microballon causes the alkali resistance of coating poor, occurs bubble, picking and metachromatism in 24 hours, in comparative example 5 because at
Dry film mould inhibitor and dodecyl phenol polyethenoxy ether are relative to 2,2,4- trimethyl -1,3- pentanediol list isobutyric acids in film auxiliary agent
Content is less for ester, in comparative example 6 because in coalescing agent dry film mould inhibitor and dodecyl phenol polyethenoxy ether relative to
Content is higher for 2,2,4- trimethyl -1,3- pentanediol mono isobutyrates, causes environment-friendly interior wall coating after being applied on wall,
There are a pin hole and sagging phenomenon, because causing coating to be layered, and have lump in coating without using thixotropic agent in comparative example 7.
2, the pernicious gas volatile quantity test of environment-friendly interior wall coating: according to the method system in embodiment 1-6 and comparative example 1-7
Standby environment-friendly interior wall coating, and it is applied to the interior of same volume, it closes the doors and windows, detects the content of indoor harmful gas, inspection after a week
Survey method is detected according to detection method specified in GB/T18883-2002 " Indoor Air Quality standards ", and with specified in it
Concentration value is examination criteria value, wherein remaining substance is small with 1 except total volatile organic compound TVOC is subject in addition to 8 small hourly values
Subject to hourly value, testing result is as shown in table 5, and " ND " expression is not detected in table.
The pernicious gas volatile quantity of the coating of table 5 embodiment 1-6 and comparative example 1-7 preparation
After being brushed indoors it can be seen from data in table 5 by environment-friendly interior wall coating prepared by embodiment 1-6, modified conch meal
It can adsorb and decomposing formaldehyde, so that indoor formaldehyde content is few, and without the pernicious gases such as toluene, dimethylbenzene and benzene, an oxidation
Carbon and total volatile organic compound TVOC amount are few, because using conch meal to replace modified conch meal in comparative example 1, though conch meal can adsorb
Formaldehyde, but effect is more poor than modified conch meal effect, indoor formaldehyde content is higher, and remaining pollution gas volatile quantity compared with
It is more；Because being not added with tourmaline powder in comparative example 2, fails degradation of formaldehyde, cause various pollutants volatile quantity higher；In comparative example 3
Because being not added with hollow glass micropearl, PARA FORMALDEHYDE PRILLS(91,95) and the volatilization of various organic matters are not impacted；In 5 comparative examples 6 of comparative example because at
In film auxiliary agent, dry film mould inhibitor and dodecylphenol polyethenoxy ether content are different from embodiment 1-6, but to volatile contaminant
The content of gas does not have an impact, and thixotropic agent is free of in comparative example 7, and PARA FORMALDEHYDE PRILLS(91,95) and other pollution others contents do not have shadow
It rings.
3, clean-up effect performance test of the environment-friendly interior wall coating to air: according to the side in embodiment 1-6 and comparative example 1-7
Method prepares environment-friendly interior wall coating, and according to II class in JVT1074-2008 " function of purifying indoor air coating material purifying property "
The requirement of material carries out the test of purifying formaldehyde rate and purifying formaldehyde effect persistence, and test result is as shown in table 6.
The test result of coating purifying formaldehyde rate in table 6 embodiment 1-6 and comparative example 1-7
It can be seen from data in table 6 according in embodiment 1-6 method prepare environment-friendly interior wall coating have good formaldehyde and
Toluene purifying rate and purification persistence, and modified conch meal, coating prepared by comparative example 1 are replaced using conch meal in comparative example 1
Formaldehyde and toluene purifying rate and purification persistence are poor, and conch meal formaldehyde adsorption and the not modified conch meal of toluene effect adsorb first
The effect of aldehyde and toluene is good, and test gained purifying rate and purification persistence are lower than JVT1074-2008 " function of purifying indoor air
Coating material purifying property " in II class material examination criteria value, illustrate that modified conch meal can be improved interior wall coating PARA FORMALDEHYDE PRILLS(91,95)
With the clean-up effect of toluene；Be not added with tourmaline powder in comparative example 2, coating indoors cannot continual release anion,
The clean-up effect of formaldehyde and toluene is poor, illustrates that tourmaline powder can be improved the purifying rate of interior wall coating PARA FORMALDEHYDE PRILLS(91,95) and toluene；It is right
It is not added with hollow glass micropearl in ratio 3, the formaldehyde and toluene clean-up effect to coating do not have an impact, and comparative example 5 is because of film forming
Dry film mould inhibitor and dodecylphenol polyethenoxy ether content are less in auxiliary agent, dry film mould inhibitor and dodecyl in comparative example 6
Phenol polyethenoxy ether content is higher, causes the clean-up effect of formaldehyde and toluene bad, thixotropic agent is not added in comparative example 7, to painting
The formaldehyde and toluene detergent power of material do not influence.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of environment-friendly interior wall coating, which is characterized in that contain the following parts by weight: 45-75 parts of modified conch meals, 15-
20 parts of tourmaline powders, 5-10 parts of diatomite, 5-10 parts of hydroxypropyl methyl celluloses, 1-5 parts of defoaming agents, 1-3 parts of dispersing agents, 2-6
Part thixotropic agent, 1-2 parts of titanium dioxides, 2-5 parts of calcined kaolins, 1-5 parts of hollow glass micropearls, 1-5 parts of coalescing agents, 15-20 parts
Nano-titanium dioxide, 20-30 part organosilicon-modified acrylic emulsion, 5-10 parts of ethylene-vinyl acetate copolymers, deionized waters
80-100 parts.
2. environment-friendly interior wall coating according to claim 1, which is characterized in that the parts by weight of the component are as follows: 55-65 powder changes
Property conch meal, 17-19 parts of tourmaline powders, 7-9 parts of diatomite, 6-8 parts of hydroxypropyl methyl celluloses, 3-4 parts of defoaming agents, 1.8-
2.4 parts of dispersing agents, 3-4 parts of thixotropic agent, 1.4-1.8 parts of titanium dioxides, 3-4 parts of calcined kaolins, 2-4 parts of hollow glass micropearls, 2-4
Part coalescing agent, 17-19 parts of nano-titanium dioxides, 24-28 parts of organosilicon-modified acrylic emulsions, 7-9 parts of ethene-vinyl acetates
85-95 parts of copolymer, deionized water.
3. environment-friendly interior wall coating according to claim 1 or 2, which is characterized in that the modified conch meal includes following heavy
Measure the component of part: 10-20 part, 100-150 parts mass fractions of shell be the sodium hydroxide solution of 4-8%, 80-100 parts of distilled water,
The silver nitrate that 5-10 parts of polyethylene glycol, 30-50 parts of dehydrated alcohols, 5-10 parts of zinc stearates, 10-25 parts of mass fractions are 1-2% is molten
Liquid, 5-10 part 2-amino-2-methyl-1-propanol.
4. environment-friendly interior wall coating according to claim 3, which is characterized in that the preparation method of the modified conch meal includes
Following steps: (1) shell sodium hydroxide solution is impregnated into 18-28h, as in baking oven after ultrasonic cleaning is multiple, in 100-
Dry 20-24h, grinds after taking-up at 130 DEG C, sieves with 100 mesh sieve net and shell powder is made；
(2) shell powder is taken, distilled water and polyethylene glycol is added, heating water bath is added to 95-100 DEG C after sonic oscillation dispersion
1.5-2h is mixed in zinc stearate, filters, filters again after being washed with dehydrated alcohol；
(3) step (2) gains are taken, silver nitrate solution is added, control solid-to-liquid ratio is 1:6-8,3-4h is stirred, with 2- amino -2-
It is 7.5-8 that methyl-1-propyl alcohol, which adjusts pH value, is filtered, dry, obtains modified conch meal.
5. environment-friendly interior wall coating according to claim 3, which is characterized in that the grinding shells time is in the step (1)
10-12h, abrasive media are zirconia ball, ratio of grinding media to material 4-6:1, drum's speed of rotation 30-40r/min.
6. environment-friendly interior wall coating according to claim 1 or 2, which is characterized in that the dispersing agent is sodium polyphosphate, coke
One of sodium phosphate, lauryl sodium sulfate or a variety of compositions.
7. environment-friendly interior wall coating according to claim 1 or 2, which is characterized in that the granularity of the hollow glass micropearl is
10-20 μm, wall thickness is 1-2 μm.
8. environment-friendly interior wall coating according to claim 1 or 2, which is characterized in that the thixotropic agent is aluminum magnesium silicate.
9. environment-friendly interior wall coating according to claim 1 or 2, which is characterized in that it is 3 that the coalescing agent, which is mass ratio:
The 2 of 1-2:2-3,2,4- trimethyl -1,3- pentanediol mono isobutyrates, dry film mould inhibitor and dodecyl phenol polyethenoxy ether.
10. a kind of preparation method of -9 any environment-friendly interior wall coatings according to claim 1, which is characterized in that including with
Lower step:
S1, cellulose dispersion: deionized water is weighed, is put into reactor, is heated to 50-70 DEG C, hydroxypropyl methyl fiber is added
Element and modified conch meal, are stirred under the revolving speed of 400-500r/min, until cellulose sufficiently dissolves, form cooling after uniform solution
To room temperature；
S2, raw material mixed grinding: by tourmaline powder, diatomite, calcined kaolin, titanium dioxide, nano-titanium dioxide and thixotropic agent,
It is added in the solution that step S1 is formed, in the case where there is water cooling, control revolving speed is 1500-2000r/min, high speed dispersion 5-
10min, after being uniformly dispersed, the high speed grinding under the revolving speed of 2500-3000r/min makes fineness reach 50 μm；
S3, ingredient are added: defoaming agent, dispersing agent, organic-silicon-modified propylene is added under the revolving speed of 1000-1500r/min later
Yogurt liquid, coalescing agent and ethylene-vinyl acetate copolymer stir 10-15min；
S4, finished product: being eventually adding hollow glass micropearl, and 10-20min, finished product is sufficiently stirred.
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| CN110144153A (en) * | 2019-05-29 | 2019-08-20 | 崇左市豫祥科技股份有限公司 | A kind of interior wall coating and preparation method thereof |
| CN110395965A (en) * | 2019-08-19 | 2019-11-01 | 广东狮力德建材有限公司 | It is a kind of to remove aldehyde interior wall coating and preparation method thereof by the inorganic of filler material of conch meal |
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| CN110144153A (en) * | 2019-05-29 | 2019-08-20 | 崇左市豫祥科技股份有限公司 | A kind of interior wall coating and preparation method thereof |
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