CN108997876A - A kind of antibacterial is antifouling, repelling mosquitoes and preventing insects water-borne wood coatings and preparation method thereof - Google Patents
A kind of antibacterial is antifouling, repelling mosquitoes and preventing insects water-borne wood coatings and preparation method thereof Download PDFInfo
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- CN108997876A CN108997876A CN201811048886.1A CN201811048886A CN108997876A CN 108997876 A CN108997876 A CN 108997876A CN 201811048886 A CN201811048886 A CN 201811048886A CN 108997876 A CN108997876 A CN 108997876A
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- 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
- 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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- 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
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type 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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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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Abstract
A kind of the invention discloses antibacterials antifouling, repelling mosquitoes and preventing insects water-borne wood coating and preparation method thereof, the water-borne wood coating described by weight includes: 24-30 parts of water polyacrylic acid；7-12 parts of aqueous polyurethane；1.5-2.5 parts of water-based fluorocarbon resin；0.5-0.8 parts of cosolvent；3-6 parts of deionized water；1.0-2.5 parts of silicone oil；0.1-0.3 parts of nano zine oxide；Multiple modified nano-titanium dioxide 0.6-1.0 parts；0.05-0.15 parts of surfactant；0.6-1.8 parts of dehydrated alcohol.Water-borne wood coating of the present invention has effects that antifouling good antibacterial, Vermins-proof and mosquito-driving and clean air, while coating paint film also has the performances such as good adhesive force, toughness, water resistance, wearability and weatherability.
Description
Technical field
The present invention relates to technical field of coatings, in particular to a kind of antibacterial is antifouling, repelling mosquitoes and preventing insects water-borne wood coatings and
Preparation method.
Background technique
Currently, since environmental protection pressure is increasingly serious, country has put into effect multinomial emission reduction policy, and " Water-borne modification " of woodwork coating
It is extremely urgent.In countries such as English, morals, water-borne wood coating has occupied the market part of 80%-90% in its entire coating industry
Volume, and in China less than 20%.Water-borne wood coating is substantially free of formaldehyde, benzene homologues, VOC, heavy metal etc. using water as medium
Poisonous and harmful substance can improve indoor environment and comfortable for living, have the advantages such as energy-saving and emission-reduction, low-carbon environment-friendly, market application
Demand is huge.
In existing water paint, acrylic coating lower production costs, film forming, adhesive force, weatherability and resistance to soiling
Preferably, the shortcomings that but that there are hardness is low, " heat sticks cold short "；Though aqueous polyurethane coating product is at high cost, the water resistance of film, resistance to
Chemicals are not good enough yet, but have excellent wearability and flexibility；Aqueous fluorocarbon coating have excellent guarantor's light colour retention,
Superpower weatherability, water resistance, anti-stain characteristic, anti-flammability and chemical-resistant have splendid adhesive force and anti-aging property.
Water-borne wood coating gradually develops towards the direction of composite coating at present, and pushing away with water-borne wood coating
Broad-spectrum and rising with consumer personalization's demand, so that growing trend is presented in the functionalized application of coating.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem present in existing water paint, it is anti-to provide a kind of antibacterial
Dirty, repelling mosquitoes and preventing insects water-borne wood coatings, the coating have the function of antifouling good antibacterial, Vermins-proof and mosquito-driving and clean air,
Coating paint film also has the performances such as good adhesive force, toughness, water resistance, wearability and weatherability simultaneously.
Another object of the present invention is to provide a kind of preparation methods of above-mentioned water-borne wood coating.
In order to solve the above technical problems, the present invention provides following technical schemes:
A kind of antibacterial is antifouling, repelling mosquitoes and preventing insects water-borne wood coatings, which is characterized in that the aqueous wooden ware described by weight applies
Material includes:
24-30 parts of water polyacrylic acid；
7-12 parts of aqueous polyurethane；
1.5-2.5 parts of water-based fluorocarbon resin；
0.5-0.8 parts of cosolvent；
3-6 parts of deionized water；
1.0-2.5 parts of silicone oil；
0.1-0.3 parts of nano zine oxide；
Multiple modified nano-titanium dioxide 0.6-1.0 parts；
0.05-0.15 parts of surfactant；
0.6-1.8 parts of dehydrated alcohol.
In above-mentioned technical proposal, further, the preparation process of the multiple modified nano-titanium dioxide are as follows:
(1) by weight by 0.8-1.2 parts of titanyl sulfates, 0.005-0.035 parts of copper nitrates, four water molybdenum of 0.01-0.04 part
Sour ammonium, 1.5-2.0 a part ammonium carbonate are dissolved in 40-50 parts of deionized waters, above-mentioned mixed solution are placed in closed reactor, through 120-
160 DEG C of hydro-thermal process 12-24h, the product obtained after heat treatment is after centrifuge washing and drying, then through 500-700 DEG C of calcining 1-
3h obtains Mo-Cu-N co-doped nano TiO2；
(2) 0.4-0.8 parts of sodium hydroxides are dissolved in 40-50 parts of deionized waters by weight, obtain sodium hydroxide solution,
The Mo-Cu-N co-doped nano TiO that step (1) is obtained again2It is added in sodium hydroxide solution, the mixed liquor being uniformly mixing to obtain
Table is obtained after the product obtained after heat treatment is washed and dried through 90-120 DEG C of hydro-thermal process 3-6h in closed reactor
The hydroxylated Mo-Cu-N co-doped nano TiO in face2；
(3) graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol and ultra-fine tourmaline powder are added by weight
In deionized water, suspension is obtained after mixing evenly, then the Mo-Cu-N codope for the surface hydroxylation that step (2) obtains is received
Rice TiO2It is added in suspension, places it in closed reactor, through 140-180 DEG C of hydro-thermal process 4-8h, obtained after heat treatment
Product through centrifuge washing and in 40-60 DEG C vacuum drying after, obtain multiple modified nano-titanium dioxide；
In above-mentioned steps (3), the graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder,
The Mo-Cu-N co-doped nano TiO of deionized water, surface hydroxylation2, by weight it is 2-5:0.3-0.8:0.1-0.3:4-8:
0.1-0.2:35-45:1；The graphene oxide dispersion concentration is 1-10mg/ml；The tourmaline powder granularity is not less than
2000 mesh.
In above-mentioned technical proposal, further, the cosolvent is the mixture of hydramine and ammonium hydroxide.
In above-mentioned technical proposal, further, the silicone oil is methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, aminomethyl phenyl
It is silicone oil, MethylethoxylsiliconFluid Fluid, one or more in methyl vinyl silicon oil.
In above-mentioned technical proposal, further, the surfactant is sorbester p18, sorbester p17, glycerin monostearate
One of or it is a variety of.
It further include having wood wax oil 2-4 in the water-borne wood coating described by weight further in above-mentioned technical proposal
Part.
It further, in the water-borne wood coating described by weight further include having natural plants smart in above-mentioned technical proposal
2-5 parts oily, the natural plant essential oils are eucalyptus oil, camphorated oil, at least two in litsea citrate oil.
It further include having nano diatomite in the water-borne wood coating described by weight further in above-mentioned technical proposal
0.1-0.4 parts.
One of present invention antibacterial is antifouling, repelling mosquitoes and preventing insects water-borne wood coating preparation methods, comprising the following steps:
(1) it prepares aqueous multiple emulsion: water polyacrylic acid, cosolvent is mixed, then aqueous poly- ammonia is added in stirring
Ester, water-based fluorocarbon resin, natural plant essential oils, deionized water, wood wax oil and silicone oil, obtain aqueous Composite Milk after mixing evenly
Liquid；
(2) it prepares inorganic nano combined slurry: surfactant is mixed with dehydrated alcohol, be warming up to 50-60 DEG C, stirring
Clear solution is formed, nano zine oxide, multiple modified nano-titanium dioxide, nano diatomite are added to above-mentioned clear solution,
Obtained mixture is ground in sand mill uniformly obtains inorganic nano combined slurry；
(3) it prepares water-borne wood coating: preparation in step 1) is added in the inorganic nano combined slurry prepared in step (2)
Aqueous multiple emulsion in, stir evenly and obtain finished product.
In above-mentioned steps (2), in the preparation process of the multiple modified nano-titanium dioxide, Mo-Cu, N element are first used
Respectively to TiO2The position Ti, O be doped, TiO can be reduced2Forbidden bandwidth, expand TiO2Optical response range, make TiO2No
Only there is ultraviolet catalytic activity, also have the function of certain photocatalysis sterilization in visible region；Using ascorbic acid and second two
Graphene oxide can be sufficiently reduced into height by high temperature and pressure hydro-thermal process and led by complex reducing agent of the alcohol as graphene oxide
The graphene of electric rate；To codope TiO2After carrying out surface hydroxylation modification, TiO is effectively enhanced2Surface-active, then
The graphene of prepared high conductivity and ultra-fine tourmaline powder are passed through into TiO2Surface active bond abundant and TiO2It is formed and is stablized
Compound.The multiple modified nano-titanium dioxide utilizes the high conductivity of graphene and the natural permanent of ultra-fine tourmaline powder
The compound of titanium dioxide photoproduction electron-hole pair can be effectively suppressed in polarized electric field, improves carrier concentration and electron-transport speed
Rate.Mo-Cu-N codope is carried out to nano-titanium dioxide, graphene-tourmaline powder is total to composite multiple and is modified, collaboration enhancing nanometer
The performance of the pollutants such as optically catalytic TiO 2 degradation of formaldehyde, thus the effect of improving the antibacterial decontamination of coating, purification air.
Possessed by of the invention the utility model has the advantages that
(1) the water-based fluorocarbon resin that the present invention uses has excellent water resistance, resistance to soiling, weatherability and chemical-resistant
(being 3-8 times of other ordinary resin performances) also has film clarity high, and adhesive force is strong, and (resistance combustion temperature reaches good flame resistance
300 DEG C) the advantages of, it is good with water polyacrylic acid, aqueous polyurethane intermiscibility, it can promote coating paint film curing molding, improve
The surface forming quality of paint film；
(2) present invention is inorganic nano combined by nano zine oxide, multiple modified nano-titanium dioxide, nano diatomite etc.
Particle and Polyacrylate/polyurethane/fluorocarbon resin multiple emulsion carry out it is hybrid cross-linked, can effectively improve paint film hardness,
Wearability, scratch resistance and anti-ultraviolet ageing；
(3) pass through codoping modified, the high conductivity graphene-permanent self power generation to nano-titanium dioxide progress Mo-Cu-N
The ultra-fine tourmaline powder that polarizes is composite modified altogether, reduces TiO2Forbidden bandwidth, enhance TiO2Electron transfer rate, promote TiO2
The separation of middle photo-generate electron-hole pair increases carrier concentration, widens TiO2Optical response range, make it in ultraviolet region and
Some visible light area all has photocatalytic, improves nano-TiO2Photocatalytic pollutant degradation performance, promote the anti-of coating
The effect of bacterium decontamination, purification air；
(4) special faint scent that the Pure natural plant essential oil added in coating gives out has Vermins-proof and mosquito-driving, antibacterial and deodouring
Effect, can improve indoor air quality；Suction of the porous diatomite big using porosity simultaneously, absorbability is strong as plants essential oil
The effect of appendix body, slow release faint scent, extension repelling mosquitoes and preventing insects, antibacterial and deodouring；
(5) it is combined closely in coating using asepsis environment-protecting, the natural wood wax oil of good penetrability and lumber fibre, gives timber
Deep layer moistens maintenance, enhances the surface hardness of woodenware, it is made to have more water proof anti-soil, crack resistence and wear-resisting erasibility.
Specific embodiment
Below with reference to specific embodiment and comparative example to the specific embodiment of water-borne wood coating of the present invention and beneficial
Effect is described in further detail.In following embodiment and comparative example, used each raw material proportioning is by weight.
Embodiment 1
Antibacterial is antifouling in the present embodiment, water-borne wood coatings of repelling mosquitoes and preventing insects are obtained using following preparation process:
(1) prepare aqueous multiple emulsion: 25 parts of water polyacrylic acids, 0.6 part of cosolvent being mixed, stirring, then plus
Enter 7 parts of aqueous polyurethanes, 1.5 parts of water-based fluorocarbon resins, 2 parts of natural plant essential oils, 3 parts of deionized waters, 2 parts of wood wax oils and 1 part
Silicone oil obtains aqueous multiple emulsion after mixing evenly；
In the present embodiment, cosolvent includes 0.1 part of hydramine, 0.5 part of ammonium hydroxide；Natural plant essential oils include 1 part of eucalyptus oil, mountain
1 part of grey seed oil；Silicone oil includes 0.5 part of methyl-silicone oil, 0.5 part of ethyl silicon oil；
(2) it prepares inorganic nano combined slurry: 0.05 part of surfactant being mixed with 1.2 parts of dehydrated alcohols, is warming up to
50 DEG C, stirring forms clear solution, then 0.25 part of nano zine oxide, 0.6 part of multiple modified nano-titanium dioxide, 0.2 part are received
Rice diatomite is added in above-mentioned clear solution, and obtained mixture is ground in sand mill uniformly obtains inorganic nano combined slurry
Material；
In the present embodiment, surfactant includes 0.03 part of sorbester p18,0.02 part of sorbester p17；
(3) it prepares water-borne wood coating: system in step (1) is added in the inorganic nano combined slurry prepared in step (2)
In standby aqueous multiple emulsion, stirs evenly and obtain finished product.
Wherein, the preparation process of multiple modified nano-titanium dioxide described in step (2) is as follows:
1. by 1 part of titanyl sulfate (TiOSO4), 0.01 part of copper nitrate (Cu (NO3)2), 0.02 part of ammonium molybdate tetrahydrate ((NH4)6Mo7O24·4H2O), 1.5 parts of ammonium carbonates are dissolved in 45 parts of deionized waters, and mixed solution is placed in closed reactor through 130 DEG C of hydro-thermals
For 24 hours, product obtains Mo-Cu-N co-doped nano TiO after centrifuge washing and drying, then through 700 DEG C of calcining 1.5h for processing2；
2. 0.5 part of sodium hydroxide is dissolved in 40 parts of deionized waters, sodium hydroxide solution is obtained, then step 1) is obtained
Co-doped nano TiO2It being added in sodium hydroxide solution, gained mixed liquor is placed in closed reactor through 110 DEG C of hydro-thermal process 3h,
After products therefrom is washed and dried, the Mo-Cu-N co-doped nano TiO of surface hydroxylation is obtained2；
3. graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder are added in deionized water,
Suspension is obtained after mixing evenly, then the Mo-Cu-N co-doped nano TiO of 2. surface hydroxylation that step is obtained2It is added outstanding
Turbid places it in closed reactor through 160 DEG C of hydro-thermal process 6h, product after centrifuge washing and in 45 DEG C of vacuum drying,
Obtain Mo-Cu-N/ graphene/multiple modified nano-TiO of tourmaline2。
Above-mentioned steps 3. in, the graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder,
The Mo-Cu-N co-doped nano TiO of deionized water, surface hydroxylation2Weight ratio is 4:0.6:0.1:6:0.12:45:1；It is described
Graphene oxide dispersion concentration is 1-10mg/ml；The ultra-fine tourmaline Powder Particle Size is 2500 mesh.
Embodiment 2
Antibacterial is antifouling in the present embodiment, water-borne wood coatings of repelling mosquitoes and preventing insects are obtained using following preparation process:
(1) prepare aqueous multiple emulsion: 24 parts of water polyacrylic acids, 0.5 part of cosolvent being mixed, stirring, then plus
Enter 10 parts of aqueous polyurethanes, 2.5 parts of water-based fluorocarbon resins, 4 parts of natural plant essential oils, 4 parts of deionized waters, 3 parts of wood wax oils and 2 parts
Silicone oil obtains aqueous multiple emulsion after mixing evenly；
In the present embodiment, cosolvent includes 0.2 part of hydramine, 0.3 part of ammonium hydroxide；Natural plant essential oils include 2 parts of eucalyptus oil, camphor tree
2 parts of cerebrol；Silicone oil includes 0.5 part of methyl-silicone oil, 0.5 part of ethyl silicon oil, 1 part of phenyl silicone oil；
(2) it prepares inorganic nano combined slurry: 0.1 part of surfactant being mixed with 1 part of dehydrated alcohol, is warming up to 60
DEG C, stirring forms clear solution, then by 0.2 part of nano zine oxide, 0.8 part of multiple modified nano-titanium dioxide, 0.3 part of nano-silicon
Diatomaceous earth is added in above-mentioned clear solution, and obtained mixture is ground in sand mill uniformly obtains inorganic nano combined slurry；
In the present embodiment, surfactant includes 0.05 part of sorbester p18,0.05 part of glycerin monostearate；
(3) it prepares water-borne wood coating: system in step (1) is added in the inorganic nano combined slurry prepared in step (2)
In standby aqueous multiple emulsion, stirs evenly and obtain finished product.
Wherein, the preparation process of multiple modified nano-titanium dioxide is as follows in step (2):
1. 1 part of titanyl sulfate, 0.015 part of copper nitrate, 0.04 part of ammonium molybdate tetrahydrate, 1.8 parts of ammonium carbonates are dissolved in 48 parts
Ionized water, mixed solution are placed in closed reactor through 150 DEG C of hydro-thermal process 13h, and product is after centrifuge washing and drying, then passes through
600 DEG C of calcining 3h obtain Mo-Cu-N co-doped nano TiO2；
2. 0.6 part of sodium hydroxide is dissolved in 45 parts of deionized waters, sodium hydroxide solution is obtained, then step 1) is obtained
Co-doped nano TiO2It being added in sodium hydroxide solution, gained mixed liquor is placed in closed reactor through 105 DEG C of hydro-thermal process 4h,
After products therefrom is washed and dried, the Mo-Cu-N co-doped nano TiO of surface hydroxylation is obtained2；
3. graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder are added in deionized water,
Suspension is obtained after mixing evenly, then the Mo-Cu-N co-doped nano TiO of 2. surface hydroxylation that step is obtained2It is added outstanding
Turbid is placed it in through 150 DEG C of hydro-thermal process 8h in closed reactor, and product obtains after centrifuge washing and in 50 DEG C of vacuum drying
To Mo-Cu-N/ graphene/multiple modified nano-TiO of tourmaline2。
Above-mentioned steps 3. in, the graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder,
The Mo-Cu-N co-doped nano TiO of deionized water, surface hydroxylation2Weight ratio is 4:0.7:0.2:7:0.16:42:1；It is described
Graphene oxide dispersion concentration is 1-10mg/ml；The ultra-fine tourmaline Powder Particle Size is 3000 mesh.
Embodiment 3
Antibacterial is antifouling in the present embodiment, water-borne wood coatings of repelling mosquitoes and preventing insects are obtained using following preparation process:
(1) prepare aqueous multiple emulsion: 30 parts of water polyacrylic acids, 0.8 part of cosolvent being mixed, stirring, then plus
Enter 12 parts of aqueous polyurethanes, 2 parts of water-based fluorocarbon resins, 5 parts of natural plant essential oils, 6 parts of deionized waters, 4 parts of wood wax oils and 2.5 parts
Silicone oil obtains aqueous multiple emulsion after mixing evenly；
In the present embodiment, cosolvent includes 0.3 part of hydramine, 0.5 part of ammonium hydroxide；Natural plant essential oils include 2 parts of eucalyptus oil, camphor tree
2 parts of cerebrol, 1 part of litsea citrate oil；Silicone oil includes 1 part of ethyl silicon oil, 1 part of phenyl silicone oil, 0.5 part of methyl vinyl silicon oil；
(2) it prepares inorganic nano combined slurry: 0.12 part of surfactant being mixed with 1.8 parts of dehydrated alcohols, is warming up to
55 DEG C, stirring forms clear solution, then by 0.1 part of nano zine oxide, 1.4 parts of multiple modified nano-titanium dioxides, 0.4 part of nanometer
Diatomite is added in above-mentioned clear solution, and obtained mixture is ground in sand mill uniformly obtains inorganic nano combined slurry
Material；
In the present embodiment, surfactant includes 0.04 part of sorbester p18,0.04 part of sorbester p17,0.04 part of glycerol monostearate
Ester；
(3) it prepares water-borne wood coating: system in step (1) is added in the inorganic nano combined slurry prepared in step (2)
In standby aqueous multiple emulsion, stirs evenly and obtain finished product.
Wherein, the preparation process of multiple modified nano-titanium dioxide is as follows in step (2):
1. 0.8-1.2 parts of titanyl sulfates, 0.03 part of copper nitrate, 0.01 part of ammonium molybdate tetrahydrate, 2 parts of ammonium carbonates are dissolved in 42 parts
Deionized water, mixed solution are placed in closed reactor through 140 DEG C of hydro-thermal process 18h, product after centrifuge washing and drying, then
Mo-Cu-N co-doped nano TiO is obtained through 650 DEG C of calcining 2h2；
2. 0.8 part of sodium hydroxide is dissolved in 48 parts of deionized waters, sodium hydroxide solution is obtained, then step 1) is obtained
Co-doped nano TiO2It being added in sodium hydroxide solution, gained mixed liquor is placed in closed reactor through 100 DEG C of hydro-thermal process 6h,
After products therefrom is washed and dried, the Mo-Cu-N co-doped nano TiO of surface hydroxylation is obtained2；
3. graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder are added in deionized water,
Suspension is obtained after mixing evenly, then the Mo-Cu-N co-doped nano TiO of 2. surface hydroxylation that step is obtained2It is added outstanding
Turbid places it in closed reactor through 170 DEG C of hydro-thermal process 5h, product after centrifuge washing and in 52 DEG C of vacuum drying,
Obtain Mo-Cu-N/ graphene/multiple modified nano-TiO of tourmaline2。
Above-mentioned steps 3. in, the graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder,
The Mo-Cu-N co-doped nano TiO of deionized water, surface hydroxylation2Weight ratio is 3:0.4:0.2:5:0.15:40:1；It is described
Graphene oxide dispersion concentration is 1-10mg/ml；The ultra-fine tourmaline Powder Particle Size is 3500 mesh.
Comparative example 1
This comparative example and the difference of above-described embodiment 3 are, by the multiple modified nanometer two in above-described embodiment step (2)
Titanium oxide changes the simple mixtures of nano-titanium dioxide, nano-graphene, ultra-fine tourmaline powder into, and other preparation processes are kept not
Become, the specific preparation process of the water-borne wood coating is as follows:
(1) prepare aqueous multiple emulsion: 30 parts of water polyacrylic acids, 0.8 part of cosolvent being mixed, stirring, then plus
Enter 12 parts of aqueous polyurethanes, 2 parts of water-based fluorocarbon resins, 5 parts of natural plant essential oils, 6 parts of deionized waters, 4 parts of wood wax oils and 2.5 parts
Silicone oil obtains aqueous multiple emulsion after mixing evenly；
In this comparative example, cosolvent includes 0.3 part of hydramine, 0.5 part of ammonium hydroxide；Natural plant essential oils include 2 parts of eucalyptus oil, camphor tree
2 parts of cerebrol, 1 part of litsea citrate oil；Silicone oil includes 1 part of ethyl silicon oil, 1 part of phenyl silicone oil, 0.5 part of methyl vinyl silicon oil；
(2) it prepares inorganic nano combined slurry: 0.12 part of surfactant being mixed with 1.8 parts of dehydrated alcohols, is warming up to
55 DEG C, stirring forms clear solution, then by 0.1 part of nano zine oxide, 0.08 part of nano-graphene, 0.7 part of nano-titanium dioxide,
0.1 part of ultra-fine tourmaline powder, 0.4 part of nano diatomite are added in above-mentioned clear solution, and mixture is ground in sand mill
It is even to obtain inorganic nano combined slurry；
In this comparative example, surfactant includes 0.04 part of sorbester p18,0.04 part of sorbester p17,0.04 part of glycerol monostearate
Ester；
(3) it prepares water-borne wood coating: system in step (1) is added in the inorganic nano combined slurry prepared in step (2)
In standby aqueous multiple emulsion, stirs evenly and obtain finished product.
Water-borne wood coating performance detection data prepared by 1-3 of the embodiment of the present invention and comparative example 1, as shown in the table:
Can be seen that the coating in the present invention from the performance data in above-described embodiment and comparative example has good resist
Bacterium, sterilization ability, formaldehyde, toluene purification and clean-up effect persistence energy, VOC and content of formaldehyde are low, have the good feature of environmental protection
Energy and good service performance.Meanwhile by using multiple modified nano-titanium dioxide in the application coating, utilization is multiple modified
Performance possessed by nano-titanium dioxide and its good mating reaction between components other in coating, compared to existing routine
The woodwork coating obtained described in the mixture for being directly added into nano-titanium dioxide, nano-graphene, ultra-fine tourmaline powder, anti-
Bacterium, sterilization ability and formaldehyde, toluene purification and clean-up effect persistence can on better effect.
Specification of the invention be considered as it is illustrative and not restrictive, on the basis of the present invention, art technology
Personnel according to disclosed technology contents, do not need creative labor some of technical characteristics can be made it is some
Replacement and deformation, are within the scope of the invention.
Claims (9)
1. a kind of antibacterial is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, which is characterized in that the water-borne wood coating described by weight
Include:
24-30 parts of water polyacrylic acid；
7-12 parts of aqueous polyurethane；
1.5-2.5 parts of water-based fluorocarbon resin；
0.5-0.8 parts of cosolvent；
3-6 parts of deionized water；
1.0-2.5 parts of silicone oil；
0.1-0.3 parts of nano zine oxide；
Multiple modified nano-titanium dioxide 0.6-1.0 parts；
0.05-0.15 parts of surfactant；
0.6-1.8 parts of dehydrated alcohol.
2. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, which is characterized in that described multiple
The preparation process of modified nano-titanium dioxide are as follows:
(1) by weight by 0.8-1.2 parts of titanyl sulfates, 0.005-0.035 parts of copper nitrates, 0.01-0.04 parts of ammonium molybdate tetrahydrates,
1.5-2.0 parts of ammonium carbonates are dissolved in 40-50 parts of deionized waters, above-mentioned mixed solution are placed in closed reactor, through 120-160 DEG C
Hydro-thermal process 12-24h, the product obtained after heat treatment obtain after centrifuge washing and drying, then through 500-700 DEG C of calcining 1-3h
To Mo-Cu-N co-doped nano TiO2；
(2) 0.4-0.8 parts of sodium hydroxides are dissolved in 40-50 parts of deionized waters by weight, obtain sodium hydroxide solution, then will
The Mo-Cu-N co-doped nano TiO that step (1) obtains2It is added in sodium hydroxide solution, the mixed liquor being uniformly mixing to obtain is close
It closes through 90-120 DEG C of hydro-thermal process 3-6h in reaction kettle, after the product obtained after heat treatment is washed and dried, obtains surface hydroxyl
The Mo-Cu-N co-doped nano TiO of base2；
(3) graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol and ultra-fine tourmaline powder are added in deionized water, are stirred
Suspension is obtained after mixing uniformly, then the Mo-Cu-N co-doped nano TiO for the surface hydroxylation that step (2) is obtained2It is added suspended
It in liquid, places it in closed reactor, through 140-180 DEG C of hydro-thermal process 4-8h, the product obtained after heat treatment is washed through centrifugation
Wash and in 40-60 DEG C vacuum drying after, obtain multiple modified nano-titanium dioxide；
In above-mentioned steps (3), the graphene oxide dispersion, ascorbic acid, ethylene glycol, ethyl alcohol, ultra-fine tourmaline powder, go from
The Mo-Cu-N co-doped nano TiO of sub- water, surface hydroxylation2, by weight it is 2-5:0.3-0.8:0.1-0.3:4-8:0.1-
0.2:35-45:1；The graphene oxide dispersion concentration is 1-10mg/ml；The tourmaline powder granularity is not less than 2000 mesh.
3. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: the hydrotropy
Agent is the mixture of hydramine and ammonium hydroxide.
4. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: the silicone oil
It is a kind of in methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, methyl phenyl silicone oil, MethylethoxylsiliconFluid Fluid, methyl vinyl silicon oil
Or it is a variety of.
5. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: the surface
Activating agent is sorbester p18, sorbester p17, one or more in glycerin monostearate.
6. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: by weight
It further include having 2-4 parts of wood wax oil in the water-borne wood coating.
7. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: by weight
Further include having 2-5 parts of natural plant essential oils in the water-borne wood coating, the natural plant essential oils be eucalyptus oil, camphorated oil,
At least two in litsea citrate oil.
8. antibacterial according to claim 1 is antifouling, the water-borne wood coating of repelling mosquitoes and preventing insects, it is characterised in that: by weight
It further include having 0.1-0.4 parts of nano diatomite in the water-borne wood coating.
9. a kind of antibacterial is antifouling, the water-borne wood coating preparation method of repelling mosquitoes and preventing insects, which comprises the following steps:
(1) prepare aqueous multiple emulsion: by water polyacrylic acid, cosolvent mix, stirring, then be added aqueous polyurethane,
Water-based fluorocarbon resin, natural plant essential oils, deionized water, wood wax oil and silicone oil obtain aqueous multiple emulsion after mixing evenly；
(2) it prepares inorganic nano combined slurry: surfactant is mixed with dehydrated alcohol, be warming up to 50-60 DEG C, stirring is formed
Nano zine oxide, multiple modified nano-titanium dioxide, nano diatomite are added to above-mentioned clear solution, obtained by clear solution
Mixture ground in sand mill and uniformly obtain inorganic nano combined slurry；
(3) it prepares water-borne wood coating: preparation in step (1) is added in the inorganic nano combined slurry prepared in step (2)
In aqueous multiple emulsion, stirs evenly and obtain finished product.
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| CN110894381A (en) * | 2019-12-19 | 2020-03-20 | 河北工业大学 | Preparation method of nano-silver ink |
| CN111117461A (en) * | 2020-01-03 | 2020-05-08 | 李瑞林 | Bacteriostatic nano-ion aqueous coating liquid, preparation method of aqueous coating liquid and bacteriostatic material using aqueous coating liquid |
| CN111134121A (en) * | 2019-12-30 | 2020-05-12 | 东华大学 | Microcapsule with mosquito repelling and ultraviolet resisting functions and preparation method thereof |
| CN112500795A (en) * | 2020-10-23 | 2021-03-16 | 福建比美特环保集团有限公司 | Preparation process of wall covering with formaldehyde removing function |
| CN115029028A (en) * | 2022-06-16 | 2022-09-09 | 大连理工大学 | Application of novel photocatalytic antifouling agent |
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| CN101301619A (en) * | 2008-07-03 | 2008-11-12 | 南开大学 | Method for preparing high efficiency metallic, non-metallic ion co-doped nano-TiO2 visible-light responsive photocatalyst |
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| CN110894381A (en) * | 2019-12-19 | 2020-03-20 | 河北工业大学 | Preparation method of nano-silver ink |
| CN111134121A (en) * | 2019-12-30 | 2020-05-12 | 东华大学 | Microcapsule with mosquito repelling and ultraviolet resisting functions and preparation method thereof |
| CN111134121B (en) * | 2019-12-30 | 2021-08-10 | 东华大学 | Microcapsule with mosquito repelling and ultraviolet resisting functions and preparation method thereof |
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| CN112500795A (en) * | 2020-10-23 | 2021-03-16 | 福建比美特环保集团有限公司 | Preparation process of wall covering with formaldehyde removing function |
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| CN115029028A (en) * | 2022-06-16 | 2022-09-09 | 大连理工大学 | Application of novel photocatalytic antifouling agent |
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