CN109354935A - A kind of mould proof diatom ooze coating of resistant and preparation method thereof - Google Patents

A kind of mould proof diatom ooze coating of resistant and preparation method thereof Download PDF

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CN109354935A
CN109354935A CN201811250528.9A CN201811250528A CN109354935A CN 109354935 A CN109354935 A CN 109354935A CN 201811250528 A CN201811250528 A CN 201811250528A CN 109354935 A CN109354935 A CN 109354935A
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刘丰高
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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
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/14—Copolymers of styrene with unsaturated esters
    • 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
    • C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
    • C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09D131/04—Homopolymers or copolymers of vinyl acetate
    • 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
    • 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
    • C09D133/04—Homopolymers or copolymers of esters
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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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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
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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
    • C09D5/16—Antifouling paints; Underwater paints
    • C09D5/1687—Use of special additives
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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
    • 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
    • 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
    • C09D7/20—Diluents or solvents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • 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
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/328—Phosphates of heavy metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives

Abstract

The invention discloses a kind of mould proof diatom ooze coatings of resistant, are made of the primary raw material of following parts by weight: 42-50 parts of deionized water, 22-26 parts of diatomite, 16-20 parts of lotion, 0.5-1 parts of ammonium hydroxide, 8-10 parts of filler, 8-10 parts of Nano sepiolite powder, 1.5-1.7 parts of ethylene glycol, 0.7-0.8 parts of sodium hydroxide, 3-5 parts of composite material, 2-3 parts of modified nano zinc oxide, 0.5-1 parts of composite mildew inhibitor, 0.3-0.5 parts of dispersing agent, 0.2-0.4 parts of defoaming agent, 0.2-0.4 parts of levelling thickener；The invention also discloses the preparation methods of the mould proof diatom ooze coating of the resistant.The present invention is by being the film forming matter of coating by solvent, lotion of deionized water, the diatomite of scientific matching, Nano sepiolite powder are added as functional stuffing, it is aided with composite material again, ensure that coating has the harmful substances such as purification organic compound (VOC), formaldehyde, moisture, breathing damping reduces the functions such as noise, insulation, fire protection flame retarding.

Description

A kind of mould proof diatom ooze coating of resistant and preparation method thereof
Technical field
The invention belongs to diatom ooze coating technical fields, and in particular, to a kind of mould proof diatom ooze coating of resistant and its system Preparation Method.
Background technique
In the home life of people, metope contamination, crackle, get damp, leak, mildew the problems such as, long-standing problem we Live, the concentration of narmful substances such as formaldehyde, organic compound (VOC) are frequently exceeded especially in indoor environment, and air is wet Spend it is big caused by mould quickly breed, cause article moldy metamorphism, the old man that causes hypoimmunity, childhood infection disease, This is more closely bound up with the health of people.And these problems are can be solved by brushing paint.But it sells in the market Coating cannot be fully solved these problems, currently, coating, which compares, pays close attention to its surface property, such as: the appearance of coating is wet, inhales The performances such as sound, smell, spreading rate, water-alkali resistance, scrubbing resistance, and to organic compound (VOC), the first that can dispel living environment The harmful substances such as aldehyde, purification air, breathing downgrade make an uproar, heat-insulation and heat-preservation, fire protection flame retarding, increase wall surface coating spot-resistant antibacterial ability , effect is not good enough or does not have.Therefore, a kind of will be by market and public with the mould proof diatom ooze coating of spot-resistant Concern, especially in the plum rains season of south China, moistureproof and mildewproof, breathing humidity conditioning function seem more prominent.
Summary of the invention
The purpose of the present invention is to provide mould proof diatom ooze coatings of a kind of resistant and preparation method thereof, by with deionized water It is the film forming matter of coating for solvent, lotion, adds the diatomite of scientific matching, Nano sepiolite powder as functional stuffing, then auxiliary With composite material, it is ensured that coating has the harmful substances such as purification organic compound (VOC), formaldehyde, moisture, and breathing damping reduces The functions such as noise, insulation, fire protection flame retarding.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of mould proof diatom ooze coating of resistant, is made of the primary raw material of following parts by weight: 42-50 parts of deionized water, silicon 22-26 parts of diatomaceous earth, 16-20 parts of lotion, 0.5-1 parts of ammonium hydroxide, 8-10 parts of filler, 8-10 parts of Nano sepiolite powder, ethylene glycol 1.5- 1.7 parts, 0.7-0.8 parts of sodium hydroxide, 3-5 parts of composite material, 2-3 parts of modified nano zinc oxide, 0.5-1 parts of composite mildew inhibitor, 0.3-0.5 parts of dispersing agent, 0.2-0.4 parts of defoaming agent, 0.2-0.4 parts of levelling thickener；
The mould proof diatom ooze coating of resistant is prepared by following steps:
Step S1, appropriate ammonium hydroxide is added dropwise in lotion, adjusts the PH to 7-8 of lotion, then lotion is placed in water-bath, 35 DEG C constant temperature stirs 30min, and modified nano zinc oxide is added, is warming up to 45 DEG C of stirring 2h, carries out reaction completely and ammonium hydroxide volatilization Sufficiently, finally solution is cooled to room temperature, sealing is spare, obtains the lotion containing modified nano-ZnO, spare；
Step S2, under the mixing speed of 250r/min, the levelling thickener of dispersing agent, defoaming agent, half is successively added Enter into deionized water, stirs 13-15min；
Step S3, ethylene glycol and sodium hydroxide are sequentially added, speed of agitator is slowly increased to 800r/min, continues to stir After 6-8min, Nano sepiolite powder is added, is slowly increased revolving speed to 1000r/min, stable rotation 17-19min；
Step S4, revolving speed is slowly dropped to 800r/min, sequentially adds diatomite, filler, composite material, then slowly increased Add revolving speed to 1200r/min, stabilized (steady-state) speed stirs 26-30min；
Step S5, speed of agitator is slowly reduced to 500r/min, and composite mildew inhibitor and the cream containing modified nano-ZnO is added Liquid, stabilized (steady-state) speed stir 20-24min；
Step S6, remaining half levelling thickener is continuously added, slowly improves revolving speed to 800r/min, stabilized (steady-state) speed stirs 15-20min is mixed, is filtered by vibrating screen, the mould proof diatom ooze coating of resistant is made.
Further, the lotion be the organic-silicon-modified styrene-acrylic emulsion of core-shell structure, pure-acrylic emulsion, styrene-acrylic emulsion, Or acrylate and vinyl acetate emulsion.
Further, the filler includes titanium dioxide, kaolin, calcium carbonate, talcum powder, titanium dioxide, kaolin, carbonic acid Calcium, talcum powder are that 1:0.4-0.6:0.7-1:1.3-1.5 is compounded according to mass ratio.
Further, the modified nano zinc oxide is prepared by the following method:
(1) 6g nano ZnO powder is weighed in beaker, the dehydrated alcohol of 120mL is measured with graduated cylinder, is added in beaker, it will It, which is placed in supersonic cleaning machine, handles 18min, and ZnO- alcohol dispersion liquid is made；
(2) into above-mentioned configured ZnO- alcohol dispersion liquid, the KH570 coupling agent of 3.2mL is added, is stirred It is even, it is configured to KH570-ZnO- ethanol solution；
(3) KH570-ZnO- ethanol solution is stirred under 50 DEG C of constant temperatures 15min, then be placed in supersonic wave cleaning machine With 45 DEG C of Temperature Treatment 2h, 80 DEG C of processing 3h are warming up to, so that ethyl alcohol volatilization is abundant；With ethanol washing 3 times, unreacted is washed away Coupling agent, after vacuum filtration, taking-up is placed in air dry oven, and 80 DEG C of drying are for 24 hours；
(4) after completing drying, taking-up is ground, and crosses 300 meshes, and modified nano zinc oxide is made, and is sealed spare.
Further, the composite mildew inhibitor is prepared by the following method:
Under 60 DEG C of water bath conditions, phosphoric acid, boric acid, copper nitrate and deionized water, four mass ratioes, which are added, in beaker is 4:2:1.4:92.6,600r/min stir 20-22min, until solution went clear, adjust the pH value of solution to 5- using dust technology 6, copper boron composite mildew inhibitor is made.
6, the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the composite material by Following method is prepared:
(1) it weighs 50g titania powder to be scattered in 150mL deionized water, 25mL hydrogen peroxide is then added, stirring is anti- It after answering 10min, is centrifuged, washing, 60 DEG C of drying 12h obtain modifying titanium dioxide；
(2) disodium-hydrogen is dissolved in deionized water, is configured to the disodium-hydrogen solution that concentration is 7.5mol/L, it is standby With；
(3) 4g copper sulphate is dissolved into 280mL deionized water, 38mL ammonium hydroxide is slowly added dropwise while stirring until just obtaining To clear solution, copper ammon solution is obtained, weighs the modified TiO of 7g2Copper ammon solution, the ultrasonic disperse in copper ammon solution is added；
(4) 200mL disodium-hydrogen solution is added dropwise under last stirring, drips off after continuing to be stirred to react 30min, The centrifugation of obtained solution, washing, alcohol are washed, composite material is made in 65 DEG C of drying.
A kind of preparation method of the mould proof diatom ooze coating of resistant, includes the following steps:
Step S1, appropriate ammonium hydroxide is added dropwise in lotion, adjusts the PH to 7-8 of lotion, then lotion is placed in water-bath, 35 DEG C constant temperature stirs 30min, and modified nano zinc oxide is added, is warming up to 45 DEG C of stirring 2h, carries out reaction completely and ammonium hydroxide volatilization Sufficiently, finally solution is cooled to room temperature, sealing is spare, obtains the lotion containing modified nano-ZnO, spare；
Step S2, under the mixing speed of 250r/min, the levelling thickener of dispersing agent, defoaming agent, half is successively added Enter into deionized water, stirs 13-15min；
Step S3, ethylene glycol and sodium hydroxide are sequentially added, speed of agitator is slowly increased to 800r/min, continues to stir After 6-8min, Nano sepiolite powder is added, is slowly increased revolving speed to 1000r/min, stable rotation 17-19min；
Step S4, revolving speed is slowly dropped to 800r/min, sequentially adds diatomite, filler, composite material, then slowly increased Add revolving speed to 1200r/min, stabilized (steady-state) speed stirs 26-30min；
Step S5, speed of agitator is slowly reduced to 500r/min, and composite mildew inhibitor and the cream containing modified nano-ZnO is added Liquid, stabilized (steady-state) speed stir 20-24min；
Step S6, remaining half levelling thickener is continuously added, slowly improves revolving speed to 800r/min, stabilized (steady-state) speed stirs 15-20min is mixed, is filtered by vibrating screen, the mould proof diatom ooze coating of resistant is made.
Beneficial effects of the present invention:
(1) present invention nature's mystery modified nano zinc oxide, nano-ZnO in diatom ooze coating both can be carried out dissolution type antibacterial Photochemical catalytic oxidation antibacterial, good anti-bacterial effect, to aspergillus niger, Aspergillus terreus, paecilomyces varioti, penicillium funiculosum, budding can be utilized again Short stalk is mould and ball hair shell resistance grade reaches II and waits (namely fungi-growth grade is 1 grade), can take into account the suppression to mould and bacterium Effect processed；Modified by KH570, KH570 is successfully grafted to nano-ZnO surface, produces good covered effect and have not been changed Its main structure makes it become lipophilic from hydrophily, and preferably reduces the reunion degree of nano-powder, enhances nanometer The dispersibility of powder ensure that coating has stable antibacterial anti-mildew effect；
(2) present invention uses composite material, uniform in size, the average grain diameter of composite particles in diatom ooze raw material About 300nm, TiO2Nano grain surface is uniformly attached with the attachment of cupric phosphate particle, compared to single nano-titanium oxide, Cu3 (PO4)2/TiO2Composite material ultraviolet-ray visible absorbing efficiency of light absorption is high, Cu3(PO4)2With TiO2It is visible in conjunction with that can make full use of Light effectively promotes the separation of photo-generate electron-hole pair, reduces their compound probabilities, generates the super of high catalysis oxidation ability Negative oxygen ion and hydroxyl radical free radical carry out photocatalytic oxidation degradation to organic matter, to improve photocatalysis effect under visible light Rate makes diatom ooze coating have the effect of harmful organic gas volatile matter such as stable degradation of formaldehyde；
(3) present invention adds the diatom of scientific matching by being the film forming matter of coating by solvent, lotion of deionized water Soil, Nano sepiolite powder is as functional stuffing, then is aided with composite material, it is ensured that coating has purification organic compound (VOC), first The harmful substances such as aldehyde, moisture, breathing damping reduce the functions such as noise, insulation, fire protection flame retarding, are aoxidized by modified Nano The addition of zinc and composite mildew inhibitor can prevent mould breeding, reach long-term mould proof, resistant, self-cleaning function；Using core-shell structure The lotion of alkali resistant excellent water resistance make the film forming matter of coating, coating can be prevented in Long-term absorption and release hydrone and moisture In the process, to the influence of coating firmness, guarantee coating, spot-resistant, scrub resistance, it is ensured that metope does not loosen for a long time, do not fall Powder is not fallen off.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected Range.
A kind of mould proof diatom ooze coating of resistant, is made of the primary raw material of following parts by weight: 42-50 parts of deionized water, silicon 22-26 parts of diatomaceous earth, 16-20 parts of lotion, 0.5-1 parts of ammonium hydroxide, 8-10 parts of filler, 8-10 parts of Nano sepiolite powder, ethylene glycol 1.5- 1.7 parts, 0.7-0.8 parts of sodium hydroxide, 3-5 parts of composite material, 2-3 parts of modified nano zinc oxide, 0.5-1 parts of composite mildew inhibitor, 0.3-0.5 parts of dispersing agent, 0.2-0.4 parts of defoaming agent, 0.2-0.4 parts of levelling thickener；
The ammonia concn is 25%；
The lotion is the organic-silicon-modified styrene-acrylic emulsion of core-shell structure, the third cream of pure-acrylic emulsion, styrene-acrylic emulsion or vinegar Liquid；
The dispersing agent is anion polycarboxylic acids ammonium salt；
The defoaming agent is two or three of compound in special nonionic, mineral oil and silicone；
The levelling thickener is the modified non-ionic associative type auxiliary agent of hydrophobic grouping；
The filler includes titanium dioxide, kaolin, calcium carbonate, talcum powder, and titanium dioxide, kaolin, calcium carbonate, talcum powder are pressed It is that 1:0.4-0.6:0.7-1:1.3-1.5 is compounded according to mass ratio；
Sepiolite is a kind of natural humidity adjusting material, and porous absorption, the release action to water vapour of sepiolite to apply Material has humidity；Indoor air relative humidity can be maintained 50%-60%；
The modified nano zinc oxide is prepared by the following method:
(1) 6g nano ZnO powder is weighed in beaker, the dehydrated alcohol of 120mL is measured with graduated cylinder, is added in beaker, it will It, which is placed in supersonic cleaning machine, handles 18min, and ZnO- alcohol dispersion liquid is made；
(2) into above-mentioned configured ZnO- alcohol dispersion liquid, the KH570 coupling agent of 3.2mL is added, is stirred It is even, it is configured to KH570-ZnO- ethanol solution；
(3) KH570-ZnO- ethanol solution is stirred under 50 DEG C of constant temperatures 15min, then be placed in supersonic wave cleaning machine With 45 DEG C of Temperature Treatment 2h, 80 DEG C of processing 3h are warming up to, so that ethyl alcohol volatilization is abundant；With ethanol washing 3 times, unreacted is washed away Coupling agent, after vacuum filtration, taking-up is placed in air dry oven, and 80 DEG C of drying are for 24 hours；
(4) after completing drying, taking-up is ground, and crosses 300 meshes, and modified nano zinc oxide is made, and is sealed spare；
Nano-ZnO not only can be carried out dissolution type antibacterial but also can be using photochemical catalytic oxidation antibacterial, good anti-bacterial effect, to black song Mould, Aspergillus terreus, paecilomyces varioti, penicillium funiculosum, Aureobasidium pullulans and ball hair shell resistance grade (namely the mildew that reaches II etc. Grade is 1 grade), the inhibitory effect to mould and bacterium can be taken into account；Modified by KH570, KH570 is successfully grafted to nano-ZnO Surface produces good covered effect and has not been changed its main structure, so that it is become lipophilic from hydrophily, and preferably drop The low reunion degree of nano-powder, enhances the dispersibility of nano-powder, ensure that there is coating stable antibacterial anti-mildew to imitate Fruit；
The composite mildew inhibitor is prepared by the following method:
Under 60 DEG C of water bath conditions, it is added that phosphoric acid, boric acid, (four mass ratioes are for copper nitrate and deionized water in beaker 4:2:1.4:92.6), 600r/min stirs 20-22min, until solution went clear, using dust technology adjust the pH value of solution to Copper boron composite mildew inhibitor is made in 5-6；
The copper of higher concentration can remove seaweed, sterilizing and insecticidal, and boron compound also has good prevention and treatment to mildew bacterium The addition of effect, phosphoric acid improves the permeability of coating, to promote the absorption to copper and boron, improves preventing efficiency, phosphorus Acid has synergistic effect with boric acid, and phosphoric acid can promote the infiltration of copper ion but also inhibit its hydrolysis, phosphoric acid and boric acid for anti- Mouldiness can have double action, and the two is compounded with conducive to fungicidal properties raising；
The composite material is prepared by the following method:
(1) it weighs 50g titania powder to be scattered in 150mL deionized water, 25mL hydrogen peroxide is then added, stirring is anti- It after answering 10min, is centrifuged, washing, 60 DEG C of drying 12h obtain modifying titanium dioxide；
(2) by disodium-hydrogen (Na2HPO4) be dissolved in deionized water, it is configured to one hydrogen of phosphoric acid that concentration is 7.5mol/L Sodium solution, it is spare；
(3) 4g copper sulphate is dissolved into 280mL deionized water, 38mL ammonium hydroxide is slowly added dropwise while stirring until just obtaining To clear solution, copper ammon solution is obtained, weighs the modified TiO of 7g2Copper ammon solution, the ultrasonic disperse in copper ammon solution is added；
(4) 200mL disodium-hydrogen solution is added dropwise under last stirring, drips off after continuing to be stirred to react 30min, The centrifugation of obtained solution, washing, alcohol are washed, composite material is made in 65 DEG C of drying；
Prepared composite particles it is uniform in size, average grain diameter is about 300nm, TiO2Nano grain surface has phosphorus Sour copper particle attachment, and be evenly distributed；Effective light absorption is to improve the precondition and guarantee of semiconductor material photocatalysis performance, phase Than single nano-titanium oxide, Cu3(PO4)2/TiO2Composite material ultraviolet-ray visible absorbing efficiency of light absorption is high, Cu3(PO4)2With TiO2In conjunction with visible light can be made full use of, the separation of photo-generate electron-hole pair is effectively promoted, reduces their compound probabilities, The superoxide anion and hydroxyl radical free radical for generating high catalysis oxidation ability carry out photocatalytic oxidation degradation to organic matter, to mention High photocatalysis efficiency under visible light；
The preparation method of the mould proof diatom ooze coating of resistant, includes the following steps:
Step S1, appropriate ammonium hydroxide is added dropwise in lotion, adjusts the PH to 7-8 (alkalescent) of lotion, then lotion is placed in water In bath, 35 DEG C of constant temperature stir 30min, and modified nano zinc oxide is added, is warming up to 45 DEG C of stirring 2h, make reaction carry out it is complete and Solution sufficiently, is finally cooled to room temperature by ammonium hydroxide volatilization, and sealing is spare, obtains the lotion containing modified nano-ZnO, spare；
Step S2, under the mixing speed of 250r/min, the levelling thickener of dispersing agent, defoaming agent, half is successively added Enter into deionized water, stirs 13-15min；
Step S3, ethylene glycol and sodium hydroxide are sequentially added, speed of agitator is slowly increased to 800r/min, continues to stir After 6-8min, Nano sepiolite powder is added, is slowly increased revolving speed to 1000r/min, stable rotation 17-19min；
Step S4, revolving speed is slowly dropped to 800r/min, sequentially adds diatomite, filler, composite material, then slowly increased Add revolving speed to 1200r/min, stabilized (steady-state) speed stirs 26-30min；
Step S5, speed of agitator is slowly reduced to 500r/min, and composite mildew inhibitor and the cream containing modified nano-ZnO is added Liquid, stabilized (steady-state) speed stir 20-24min；
Step S6, remaining half levelling thickener is continuously added, slowly improves revolving speed to 800r/min, stabilized (steady-state) speed stirs 15-20min is mixed, is filtered by vibrating screen, the mould proof diatom ooze coating of resistant is made.
Embodiment 1
A kind of mould proof diatom ooze coating of resistant, is made of the primary raw material of following parts by weight: 42 parts of deionized water, diatomite 22 parts, it is 16 parts of lotion, 0.5 part of ammonium hydroxide, 8 parts of filler, 8 parts of Nano sepiolite powder, 1.5 parts of ethylene glycol, 0.7 part of sodium hydroxide, multiple 3 parts of condensation material, 2 parts of modified nano zinc oxide, 0.5 part of composite mildew inhibitor, 0.3 part of anion polycarboxylic acids ammonium salt, defoaming agent 0.2 Part, modified 0.2 part of the non-ionic associative type auxiliary agent of hydrophobic grouping；
The lotion is the organic-silicon-modified styrene-acrylic emulsion of core-shell structure, the third cream of pure-acrylic emulsion, styrene-acrylic emulsion or vinegar Liquid；
The defoaming agent is two or three of compound in special nonionic, mineral oil and silicone；
The filler includes titanium dioxide, kaolin, calcium carbonate, talcum powder, and titanium dioxide, kaolin, calcium carbonate, talcum powder are pressed It is that 1:0.4:0.7:1.3 is compounded according to mass ratio；
Embodiment 2
A kind of mould proof diatom ooze coating of resistant, is made of the primary raw material of following parts by weight: 46 parts of deionized water, diatomite 24 parts, it is 18 parts of lotion, 0.7 part of ammonium hydroxide, 9 parts of filler, 9 parts of Nano sepiolite powder, 1.6 parts of ethylene glycol, 0.75 part of sodium hydroxide, multiple 4 parts of condensation material, 2.5 parts of modified nano zinc oxide, 0.8 part of composite mildew inhibitor, 0.4 part of anion polycarboxylic acids ammonium salt, defoaming agent 0.3 Part, modified 0.3 part of the non-ionic associative type auxiliary agent of hydrophobic grouping；
The lotion is the organic-silicon-modified styrene-acrylic emulsion of core-shell structure, the third cream of pure-acrylic emulsion, styrene-acrylic emulsion or vinegar Liquid；
The defoaming agent is two or three of compound in special nonionic, mineral oil and silicone；
The filler includes titanium dioxide, kaolin, calcium carbonate, talcum powder, and titanium dioxide, kaolin, calcium carbonate, talcum powder are pressed It is that 1:0.5:0.9:1.4 is compounded according to mass ratio；
Embodiment 3
A kind of mould proof diatom ooze coating of resistant, is made of the primary raw material of following parts by weight: 50 parts of deionized water, diatomite 26 parts, it is 20 parts of lotion, 1 part of ammonium hydroxide, 10 parts of filler, 10 parts of Nano sepiolite powder, 1.7 parts of ethylene glycol, 0.8 part of sodium hydroxide, multiple 5 parts of condensation material, 3 parts of modified nano zinc oxide, 1 part of composite mildew inhibitor, 0.5 part of anion polycarboxylic acids ammonium salt, 0.4 part of defoaming agent, Hydrophobic grouping is modified 0.4 part of non-ionic associative type auxiliary agent；
The lotion is the organic-silicon-modified styrene-acrylic emulsion of core-shell structure, the third cream of pure-acrylic emulsion, styrene-acrylic emulsion or vinegar Liquid；
The defoaming agent is two or three of compound in special nonionic, mineral oil and silicone；
The filler includes titanium dioxide, kaolin, calcium carbonate, talcum powder, and titanium dioxide, kaolin, calcium carbonate, talcum powder are pressed It is that 1:0.6:1:1.5 is compounded according to mass ratio.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (7)

1. a kind of mould proof diatom ooze coating of resistant, which is characterized in that be made of the primary raw material of following parts by weight: deionized water 42-50 parts, 22-26 parts of diatomite, 16-20 parts of lotion, 0.5-1 parts of ammonium hydroxide, 8-10 parts of filler, 8-10 parts of Nano sepiolite powder, 1.5-1.7 parts of ethylene glycol, 0.7-0.8 parts of sodium hydroxide, 3-5 parts of composite material, 2-3 parts of modified nano zinc oxide, composite mildewproof 0.5-1 parts of agent, 0.3-0.5 parts of dispersing agent, 0.2-0.4 parts of defoaming agent, 0.2-0.4 parts of levelling thickener；
The mould proof diatom ooze coating of resistant is prepared by following steps:
Step S1, appropriate ammonium hydroxide is added dropwise in lotion, adjusts the PH to 7-8 of lotion, then lotion is placed in water-bath, 35 DEG C of perseverances Temperature stirring 30min, addition modified nano zinc oxide are warming up to 45 DEG C of stirring 2h, make reaction progress completely and ammonium hydroxide volatilization is abundant, Finally solution is cooled to room temperature, sealing is spare, obtains the lotion containing modified nano-ZnO, spare；
Step S2, under the mixing speed of 250r/min, by dispersing agent, defoaming agent, half levelling thickener sequentially add to In deionized water, 13-15min is stirred；
Step S3, ethylene glycol and sodium hydroxide are sequentially added, speed of agitator is slowly increased to 800r/min, continues to stir 6- After 8min, Nano sepiolite powder is added, is slowly increased revolving speed to 1000r/min, stable rotation 17-19min；
Step S4, revolving speed is slowly dropped to 800r/min, sequentially adds diatomite, filler, composite material, be then slowly increased and turn Speed to 1200r/min, stabilized (steady-state) speed stirs 26-30min；
Step S5, speed of agitator is slowly reduced to 500r/min, and composite mildew inhibitor and the lotion containing modified nano-ZnO is added, Stabilized (steady-state) speed stirs 20-24min；
Step S6, remaining half levelling thickener is continuously added, slowly improves revolving speed to 800r/min, stabilized (steady-state) speed stirring 15-20min is filtered by vibrating screen, and the mould proof diatom ooze coating of resistant is made.
2. the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the lotion is core-shell structure Organic-silicon-modified styrene-acrylic emulsion, pure-acrylic emulsion, styrene-acrylic emulsion or acrylate and vinyl acetate emulsion.
3. the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the filler includes titanium white Powder, kaolin, calcium carbonate, talcum powder, titanium dioxide, kaolin, calcium carbonate, talcum powder are 1:0.4-0.6 according to mass ratio: 0.7-1:1.3-1.5 is compounded.
4. the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the modified nano zinc oxide It prepares by the following method:
(1) 6g nano ZnO powder is weighed in beaker, the dehydrated alcohol of 120mL is measured with graduated cylinder, is added in beaker, is set 18min is handled in supersonic cleaning machine, and ZnO- alcohol dispersion liquid is made；
(2) into above-mentioned configured ZnO- alcohol dispersion liquid, the KH570 coupling agent of 3.2mL is added, is uniformly mixed, matches KH570-ZnO- ethanol solution is made；
(3) KH570-ZnO- ethanol solution is stirred under 50 DEG C of constant temperatures 15min, then be placed in supersonic wave cleaning machine with 45 DEG C Temperature Treatment 2h, 80 DEG C of processing 3h are warming up to, so that ethyl alcohol volatilization is abundant；With ethanol washing 3 times, unreacted idol is washed away Join agent, after vacuum filtration, taking-up is placed in air dry oven, and 80 DEG C of drying are for 24 hours；
(4) after completing drying, taking-up is ground, and crosses 300 meshes, and modified nano zinc oxide is made, and is sealed spare.
5. the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the composite mildew inhibitor is by such as The preparation of lower section method:
Under 60 DEG C of water bath conditions, phosphoric acid, boric acid, copper nitrate and deionized water are added in beaker, four mass ratioes are 4:2: 1.4:92.6,600r/min stir 20-22min, until solution went clear, the pH value for adjusting solution using dust technology is made to 5-6 Obtain copper boron composite mildew inhibitor.
6. the mould proof diatom ooze coating of a kind of resistant according to claim 1, which is characterized in that the composite material is by as follows Method is prepared:
(1) it weighs 50g titania powder to be scattered in 150mL deionized water, 25mL hydrogen peroxide is then added, is stirred to react It after 10min, is centrifuged, washing, 60 DEG C of drying 12h obtain modifying titanium dioxide；
(2) disodium-hydrogen is dissolved in deionized water, is configured to the disodium-hydrogen solution that concentration is 7.5mol/L, it is spare；
(3) 4g copper sulphate is dissolved into 280mL deionized water, 38mL ammonium hydroxide is slowly added dropwise while stirring until just obtaining Bright solution, obtains copper ammon solution, weighs the modified TiO of 7g2Copper ammon solution, the ultrasonic disperse in copper ammon solution is added；
(4) 200mL disodium-hydrogen solution is added dropwise under last stirring, drips off after continuing to be stirred to react 30min, will To solution centrifugation, washing, alcohol wash, 65 DEG C drying, be made composite material.
7. a kind of preparation method of the mould proof diatom ooze coating of resistant, which comprises the steps of:
Step S1, appropriate ammonium hydroxide is added dropwise in lotion, adjusts the PH to 7-8 of lotion, then lotion is placed in water-bath, 35 DEG C of perseverances Temperature stirring 30min, addition modified nano zinc oxide are warming up to 45 DEG C of stirring 2h, make reaction progress completely and ammonium hydroxide volatilization is abundant, Finally solution is cooled to room temperature, sealing is spare, obtains the lotion containing modified nano-ZnO, spare；
Step S2, under the mixing speed of 250r/min, by dispersing agent, defoaming agent, half levelling thickener sequentially add to In deionized water, 13-15min is stirred；
Step S3, ethylene glycol and sodium hydroxide are sequentially added, speed of agitator is slowly increased to 800r/min, continues to stir 6- After 8min, Nano sepiolite powder is added, is slowly increased revolving speed to 1000r/min, stable rotation 17-19min；
Step S4, revolving speed is slowly dropped to 800r/min, sequentially adds diatomite, filler, composite material, be then slowly increased and turn Speed to 1200r/min, stabilized (steady-state) speed stirs 26-30min；
Step S5, speed of agitator is slowly reduced to 500r/min, and composite mildew inhibitor and the lotion containing modified nano-ZnO is added, Stabilized (steady-state) speed stirs 20-24min；
Step S6, remaining half levelling thickener is continuously added, slowly improves revolving speed to 800r/min, stabilized (steady-state) speed stirring 15-20min is filtered by vibrating screen, and the mould proof diatom ooze coating of resistant is made.
CN201811250528.9A 2018-10-25 2018-10-25 A kind of mould proof diatom ooze coating of resistant and preparation method thereof Pending CN109354935A (en)

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Application publication date: 20190219