CN105542594A - Photocatalyst formaldehyde-buster internal wall paint and preparation method thereof - Google Patents
Photocatalyst formaldehyde-buster internal wall paint and preparation method thereof Download PDFInfo
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- CN105542594A CN105542594A CN201610105621.5A CN201610105621A CN105542594A CN 105542594 A CN105542594 A CN 105542594A CN 201610105621 A CN201610105621 A CN 201610105621A CN 105542594 A CN105542594 A CN 105542594A
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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
- 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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- 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
- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses photocatalyst formaldehyde-buster internal wall paint and a preparation method thereof. The photocatalyst formaldehyde-buster internal wall paint is prepared from, by weight, 15.0-40.0 parts of deionized water, 0.2-0.5 part of hydroxyethyl cellulose, 0.3-0.7 part of a dispersing agent, 0.2-1.0 part of a wetting agent, 0.2-0.5 part of a defoaming agent, 0.1-0.2 part of a pH modifier, 0.3-1.0 part of a photocatalyst addition agent, 5.0-8.0 parts of multifunctional additive, 10.0-25.0 parts of titanium dioxide, 5.0-15.0 parts of calcined kaolin, 5.0-15.0 parts of calcium triple superphosphate, 10.0-25.0 parts of formaldehyde-buster emulsion, 5.0-10.0 parts of odor removal emulsion, 0.5-1.0 part of a thickening agent, 0.5-1.0 part of a film coalescing aid, 0.1-0.2 part of preservative and 0.2-0.5 part of a mildewproof agent.
Description
Technical field
The present invention relates to paint field, particularly relate to clean aldehyde interior finish of a kind of photocatalyst and preparation method thereof.
Background technology
Interior decoration decoration is the indispensable some of people's daily life, due to current material and scientific and technical restriction, building and finishing material, furniture, household electrical appliance etc. all can contain the easy volatile harmful pollutants such as formaldehyde, benzene, toluene, ethylbenzene, dimethylbenzene.As time goes on the change of weather condition, these harmful pollutants can discharge for a long time lentamente.Research display, the harmful pollutants such as Long Term Contact formaldehyde, can cause various respiratory system, Digestive tract and dermatosis, drastically influence the physical and mental health of people.In order to stablize, for a long time, the harmful pollutants such as purifying indoor formaldehyde effectively, improve IAQ (indoor air quality), building coating service workers has done a large amount of work.Nano-TiO is added as by interior wall coating
2/ white carbon black composite material is prepared a kind of except formaldehyde in indoor air coating; Nano photo-catalytic and tourmaline anion powder are applied to jointly interior wall coating make have negative ion, far infrared, except formaldehyde interiro wall latex paint; Or add functional material binary (or polynary) composite mixed nano-TiO by discharging in interiro wall latex paint at common low VOC
2be mixed with a kind of have visible light catalytic performance except formaldehyde interiro wall latex paint; Or by adding the composite photo catalyst nano paint etc. of composite photocatalysis coating nano titanium oxide, diatom ooze and bamboo carbon extracting solution.Above prior art all have employed the method for rear interpolation photocatalyst auxiliary agent and porousness functional additive to prepare the clean aldehyde coating of photocatalyst, has certain active effect to harmful pollutants in decontamination chamber.But in coating material production and purifying formaldehyde, all can there is dispersing uniformity, absorption saturability and photocatalyst to the dependent defect of luminous energy in photocatalyst auxiliary agent and porousness functional additive.
Summary of the invention
Main purpose of the present invention is for providing clean aldehyde interior finish of function photocatalyst such as a kind of light harvesting catalyst, physical adsorption and chemisorption and preparation method thereof.
In order to realize foregoing invention object, the invention provides the clean aldehyde interior finish of a kind of photocatalyst, comprising:
Deionized water 15.0-40.0 weight part, Natvosol 0.2-0.5 weight part, dispersion agent 0.3-0.7 weight part, wetting agent 0.2-1.0 weight part, defoamer 0.2-0.5 weight part, pH adjusting agent 0.1-0.2 weight part, photocatalyst auxiliary agent 0.3-1.0 weight part, multifunction additive 5.0-8.0 weight part, titanium dioxide 10.0-25.0 weight part, calcined kaolin 5.0-15.0 weight part, coarse whiting 5.0-15.0 weight part, clean aldehyde emulsion 10.0-25.0 weight part, clean taste emulsion 5.0-10.0 weight part, thickening material 0.5-1.0 weight part, film coalescence aid 0.5-1.0 weight part, sanitas 0.1-0.2 weight part and mould inhibitor 0.2-0.5 weight part.
Further, described photocatalyst auxiliary agent comprises nanometer anatase titania, median size 21nm.
Further, described multifunction additive comprises bamboo-carbon particle, the omnipotent filler of structure-type and porousness calcined diatomite, and the weight ratio of three is: bamboo-carbon particle: porousness calcined diatomite: the omnipotent filler=1:2:5 of structure-type.
Further, described clean aldehyde emulsion comprises the acrylate copolymer emulsion of clean aldehyde functional group modification, and second-order transition temperature Tg is 5 ± 2 DEG C, and minimum film-forming temperature is 0 ± 2 DEG C.
Further, described clean taste emulsion comprises silicon third, pure third or benzene emulsion.
Further, described pH adjusting agent comprise NaOH (10%),
bS198 or PHLEX110.
Further, described film coalescence aid comprises Coasol
tM290Plus or OXFILM
Further, described wetting agent comprises ECOSURF
tMbD-405 and/or
nS2599.
Further, described defoamer comprises plant oil modified defoamer.
The present invention also provides the preparation method of the clean aldehyde interior finish of a kind of photocatalyst described above, comprising:
S1, pre-mixing: in deionized water 10.0-15.0 weight part, add dispersion agent 0.3-0.7 weight part, wetting agent 0.2-1.0 weight part, Natvosol 0.2-0.5 weight part and defoamer 0.1-0.25 weight part successively, PH conditioning agent 0.1-0.2 weight part is added under the rotating speed of 300-800r/min, and Keep agitation 2-5 minute;
S2, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, and drop into photocatalyst auxiliary agent 0.3-1.0 weight part, then rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S3, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into multifunction additive 5.0-8.0 weight part, then rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S4, color stuffing disperse: under the rotating speed of 1000-1500r/min, add deionized water 4.0-10.0 weight part, drop into titanium dioxide 10.0-25.0 weight part, calcined kaolin 5.0-15.0 weight part and coarse whiting 5.0-15.0 weight part successively, under the rotating speed of 1500-2000r/min, dispersion 25-30 minute;
S5, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 10.0-25.0 weight part, clean taste emulsion 5.0-10.0 weight part and film coalescence aid 0.5-1.0 weight part, add with after deionized water 1.0-2.0 weight part respectively pre-mixing sanitas 0.1-0.2 weight part and thickening material 0.5-1.0 weight part, finally add mould inhibitor 0.2-0.5 weight part, defoamer 0.1-0.25 weight part and deionized water 0-13.0 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S6, detection, filtration.
The clean aldehyde interior finish of photocatalyst of the present invention, the performances such as light harvesting catalyst, physical adsorption and chemisorption, with the addition of photocatalyst auxiliary agent and the porousness functional additive of the noxious pollutant Be very effective such as purifying formaldehyde, and in conjunction with clean aldehyde emulsion, strengthen the ability purified air, the obnoxious flavoures such as efficient-decomposition formaldehyde, elimination peculiar smell, kill bacteria; Do not having under luminous energy existent condition, also destruction formaldehyde can unconditionally be caught, irreversible combination reaction is there is with formaldehyde, and generate nontoxic not volatilizable chemical combination material, compensate for the defect of photocatalyst auxiliary agent and porousness functional additive, achieve the stability of the harmful pollutants such as purifying indoor formaldehyde, validity, chronicity; Add clean taste emulsion, enhance the water tolerance of paint film, alkali resistance and bonding strength, ultra-low-smell, durable; The clean aldehyde interior finish of photocatalyst itself is without adding, the harmful pollutants such as volatile organic matter (VOC), formaldehyde, benzene, toluene, ethylbenzene, dimethylbenzene and soluble heavy metal are not artificially added in formula for a product and production process, clean taste environmental protection, for user builds the domestic environment of pure and fresh health.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the preparation method of the clean aldehyde interior finish of photocatalyst of one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
There is provided a kind of photocatalyst clean aldehyde interior finish in the embodiment of the present invention, comprising:
In the present embodiment, above-mentioned photocatalyst auxiliary agent comprises nanometer anatase titania, specific surface area 50m
2/ g, median size 21nm, preferred AEROXIDETiO2P25 or HombikatUV100.
In the present embodiment, above-mentioned multifunction additive comprises bamboo-carbon particle, the omnipotent filler of structure-type and porousness calcined diatomite, and the weight ratio of three is: bamboo-carbon particle: porousness calcined diatomite: the omnipotent filler=1:2:5 of structure-type.Above-mentioned bamboo-carbon particle specific surface area 300m
2/ g, maximum particle diameter is 1.5 μm, and described porousness calcined diatomite is the one of Celite499, RadioliteF, specific surface area 3.0m
2/ g, median size 6.5 μm, the omnipotent filler of described structure-type is Zeolex323, specific surface area 100m
2/ g, median size 5.5 μm.
In the present embodiment, above-mentioned clean aldehyde emulsion comprises the acrylate copolymer emulsion of clean aldehyde functional group modification, second-order transition temperature Tg is 5 ± 2 DEG C, minimum film-forming temperature is 0 ± 2 DEG C, there is the effect of chemisorption, when dull thread irradiates, also can catch destruction formaldehyde, there is irreversible combination reaction with formaldehyde, and generate nontoxic not volatilizable compound.
In the present embodiment, above-mentioned clean taste emulsion comprises silicon third, pure third or benzene emulsion, water-tolerant, and bonding strength is strong, ultra-low-smell.
In the present embodiment, above-mentioned pH adjusting agent comprise NaOH (10%),
bS198 or PHLEX110, zero VOC ultra-low-smell.
In the present embodiment, above-mentioned film coalescence aid comprises Coasol
tM290Plus or OXFILM
zero VOC ultra-low-smell.
In the present embodiment, above-mentioned wetting agent comprises ECOSURF
tMbD-405 and/or
nS2599, polyethenoxy ether class, not containing APEO, readily biodegradable, zero VOC ultra-low-smell.
In the present embodiment, above-mentioned defoamer comprises plant oil modified defoamer.
In the present embodiment, above-mentioned thickening material comprises the combination of the one or more than one in alkali swelling type acrylic thickener, the swelling vinylformic acid of hydrophobically-modified alkali, polyurethane thickener.
In the present embodiment, above-mentioned dispersion agent is the one of poly carboxylic acid ammonium salt, polycarboxylate sodium.
In the present embodiment, foregoing preservatives adopts CIT/MIT type sanitas, and in-can preservation performance is good, and high-temperature stability is good, and cost performance is high, hypotoxicity, environmental friendliness.
In the present embodiment, above-mentioned mould inhibitor adopts DCOIT/IPBC type mould inhibitor, broad-spectrum high-efficiency and low-toxicity.
The clean aldehyde interior finish of photocatalyst of the present embodiment, the performances such as light harvesting catalyst, physical adsorption and chemisorption, with the addition of photocatalyst auxiliary agent and the porousness functional additive of the noxious pollutant Be very effective such as purifying formaldehyde, and in conjunction with clean aldehyde emulsion, strengthen the ability purified air, the obnoxious flavoures such as efficient-decomposition formaldehyde, elimination peculiar smell, kill bacteria; Do not having under luminous energy existent condition, also destruction formaldehyde can unconditionally be caught, irreversible combination reaction is there is with formaldehyde, and generate nontoxic not volatilizable chemical combination material, compensate for the defect of photocatalyst auxiliary agent and porousness functional additive, achieve the stability of the harmful pollutants such as purifying indoor formaldehyde, validity, chronicity; Add clean taste emulsion, enhance the water tolerance of paint film, alkali resistance and bonding strength, ultra-low-smell, durable; The clean aldehyde interior finish of photocatalyst itself is without adding, the harmful pollutants such as volatile organic matter (VOC), formaldehyde, benzene, toluene, ethylbenzene, dimethylbenzene and soluble heavy metal are not artificially added in formula for a product and production process, clean taste environmental protection, for user builds the domestic environment of pure and fresh health.
With reference to Fig. 1, in the present embodiment, the preparation method of the clean aldehyde interior finish of a kind of above-mentioned photocatalyst is also provided, comprises step:
S1, pre-mixing: in deionized water 10.0-15.0 weight part, add dispersion agent 0.3-0.7 weight part, wetting agent 0.2-1.0 weight part, Natvosol 0.2-0.5 weight part and defoamer 0.1-0.25 weight part successively, PH conditioning agent 0.1-0.2 weight part is added under the rotating speed of 300-800r/min, and Keep agitation 2-5 minute;
S2, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, and drop into photocatalyst auxiliary agent 0.3-1.0 weight part, then rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S3, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into multifunction additive 5.0-8.0 weight part, then rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S4, color stuffing disperse: under the rotating speed of 1000-1500r/min, add deionized water 4.0-10.0 weight part, drop into titanium dioxide 10.0-25.0 weight part, calcined kaolin 5.0-15.0 weight part and coarse whiting 5.0-15.0 weight part successively, under the rotating speed of 1500-2000r/min, dispersion 25-30 minute;
S5, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 10.0-25.0 weight part, clean taste emulsion 5.0-10.0 weight part and film coalescence aid 0.5-1.0 weight part, add with after deionized water 1.0-2.0 weight part respectively pre-mixing sanitas 0.1-0.2 weight part and thickening material 0.5-1.0 weight part, finally add mould inhibitor 0.2-0.5 weight part, defoamer 0.1-0.25 weight part and deionized water 0-13.0 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S6, detection, filtration;
S7, packaging etc.
The preparation method of the clean aldehyde interior finish of photocatalyst of the present embodiment, can modulate the clean aldehyde interior finish of photocatalyst fast, uniformly.
In a specific embodiment 1, the clean aldehyde interior finish of a kind of photocatalyst, comprising:
In the present embodiment, the preparation method of the clean aldehyde interior finish of above-mentioned photocatalyst, comprises the following steps:
S11, pre-mixing: weigh 15.0 parts by weight of deionized water, add the defoamer of the dispersion agent of above-mentioned weight part, wetting agent, Natvosol and above-mentioned weight part half successively, add PH conditioning agent under the rotating speed of 300-800r/min, continues to stir 2-5 minute;
S12, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, drop into the photocatalyst auxiliary agent of above-mentioned weight part, rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S13, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into the multifunction additive of above-mentioned weight part, rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S14, color stuffing disperse: under the rotating speed of 1000-1500r/min, add 10.0 parts by weight of deionized water, drop into the titanium dioxide of above-mentioned weight part, calcined kaolin, coarse whiting successively, under the rotating speed of 1500-2000r/min, and dispersion 25-30 minute;
S15, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 10.0 weight part, clean taste emulsion 5.0 weight part, film coalescence aid 0.5 weight part, add with after deionized water appropriate in 2.0 the weight parts respectively sanitas of the above-mentioned weight part of pre-mixing and thickening material, finally add 0.2 weight part mould inhibitor, remaining defoamer and deionized water 11.3 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S16, detection, filtration;
S17, packaging.
In a specific embodiment 2, the clean aldehyde interior finish of a kind of photocatalyst, comprising:
In the present embodiment, the preparation method of the clean aldehyde interior finish of above-mentioned photocatalyst, comprises the following steps:
S21, pre-mixing: weigh 15.0 parts by weight of deionized water, add the defoamer of the dispersion agent of above-mentioned weight part, wetting agent, Natvosol and above-mentioned weight part half successively, add PH conditioning agent under the rotating speed of 300-800r/min, continues to stir 2-5 minute;
S22, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, drop into the photocatalyst auxiliary agent of above-mentioned weight part, rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S23 photocatalyst auxiliary agent load: reduce rotating speed, drop into the multifunction additive of above-mentioned weight part under the rotating speed of 1000-1500r/min, rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S24, color stuffing disperse: under the rotating speed of 1000-1500r/min, add 10.0 parts by weight of deionized water, drop into the titanium dioxide of above-mentioned weight part, calcined kaolin, coarse whiting successively, under the rotating speed of 1500-2000r/min, and dispersion 25-30 minute;
S25, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 15.0 weight part, clean taste emulsion 5.0 weight part, film coalescence aid 0.5 weight part, add with after deionized water 1.0 the weight part respectively sanitas of the above-mentioned weight part of pre-mixing and thickening material, finally add 0.3 weight part mould inhibitor, remaining defoamer and deionized water 7.2 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S26, detection, filtration;
S27, packaging.
In a specific embodiment 3, the clean aldehyde interior finish of a kind of photocatalyst, comprising:
In the present embodiment, the preparation method of the clean aldehyde interior finish of above-mentioned photocatalyst, comprises the following steps:
S31, pre-mixing: weigh 12.0 parts by weight of deionized water, add the defoamer of the dispersion agent of above-mentioned weight part, wetting agent, Natvosol and above-mentioned weight part half successively, add PH conditioning agent under the rotating speed of 300-800r/min, continues to stir 2-5 minute;
S32, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, drop into the photocatalyst auxiliary agent of above-mentioned weight part, rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S33, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into the multifunction additive of above-mentioned weight part, rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S34, color stuffing disperse: under the rotating speed of 1000-1500r/min, add 10.0 parts by weight of deionized water, drop into the titanium dioxide of above-mentioned weight part, calcined kaolin, coarse whiting successively, under the rotating speed of 1500-2000r/min, and dispersion 25-30 minute;
S35, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 20.0 weight part, clean taste emulsion 5.0 weight part, film coalescence aid 0.8 weight part, add with after deionized water 1.5 the weight part respectively sanitas of the above-mentioned weight part of pre-mixing and thickening material, finally add 0.3 weight part mould inhibitor, remaining defoamer and deionized water 4.0 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S36, detection, filtration;
S37, packaging.
In a specific embodiment 4, the clean aldehyde interior finish of a kind of photocatalyst, comprising:
Individual in the present embodiment, the preparation method of the clean aldehyde interior finish of above-mentioned photocatalyst, comprises the following steps:
S41, pre-mixing: weigh 10.0 parts by weight of deionized water, add the defoamer of the dispersion agent of above-mentioned weight part, wetting agent, Natvosol and above-mentioned weight part half successively, add PH conditioning agent under the rotating speed of 300-800r/min, continues to stir 2-5 minute;
S42, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, drop into the photocatalyst auxiliary agent of above-mentioned weight part, rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S43, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into the multifunction additive of above-mentioned weight part, rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S44, color stuffing disperse: under the rotating speed of 1000-1500r/min, add 5.0 parts by weight of deionized water, drop into the titanium dioxide of above-mentioned weight part, calcined kaolin, coarse whiting successively, under the rotating speed of 1500-2000r/min, and dispersion 25-30 minute;
S45, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 25.0 weight part, clean taste emulsion 8.0 weight part, film coalescence aid 1.0 weight part, add with after deionized water 1.0 the weight part respectively sanitas of the above-mentioned weight part of pre-mixing and thickening material, finally add 0.4 weight part mould inhibitor, remaining defoamer and deionized water 3.0 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S46, detection, filtration;
S47, packaging.
In above-mentioned specific embodiment 1 to 4, the clean aldehyde interior finish of described photocatalyst stores the result of carrying out testing according to HG/T3950-2007 and JC/T1074-2008 standard after 14 days as following table under 50 DEG C of high temperature:
In above-mentioned specific embodiment 1 to 4, the result that above-mentioned photocatalyst clean aldehyde interior finish foundation GB18582-2008 standard carries out testing is as following table:
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the clean aldehyde interior finish of photocatalyst, is characterized in that, comprising:
Deionized water 15.0-40.0 weight part, Natvosol 0.2-0.5 weight part, dispersion agent 0.3-0.7 weight part, wetting agent 0.2-1.0 weight part, defoamer 0.2-0.5 weight part, pH adjusting agent 0.1-0.2 weight part, photocatalyst auxiliary agent 0.3-1.0 weight part, multifunction additive 5.0-8.0 weight part, titanium dioxide 10.0-25.0 weight part, calcined kaolin 5.0-15.0 weight part, coarse whiting 5.0-15.0 weight part, clean aldehyde emulsion 10.0-25.0 weight part, clean taste emulsion 5.0-10.0 weight part, thickening material 0.5-1.0 weight part, film coalescence aid 0.5-1.0 weight part, sanitas 0.1-0.2 weight part and mould inhibitor 0.2-0.5 weight part.
2. the clean aldehyde interior finish of photocatalyst according to claim 1, is characterized in that, described photocatalyst auxiliary agent comprises nanometer anatase titania, median size 21nm.
3. the clean aldehyde interior finish of photocatalyst according to claim 1, it is characterized in that, described multifunction additive comprises bamboo-carbon particle, the omnipotent filler of structure-type and porousness calcined diatomite, and the weight ratio of three is: bamboo-carbon particle: porousness calcined diatomite: the omnipotent filler=1:2:5 of structure-type.
4. the clean aldehyde interior finish of photocatalyst according to claim 1, is characterized in that, described clean aldehyde emulsion comprises the acrylate copolymer emulsion of clean aldehyde functional group modification, and second-order transition temperature Tg is 5 ± 2 DEG C, and minimum film-forming temperature is 0 ± 2 DEG C.
5. the clean aldehyde interior finish of photocatalyst according to claim 1, is characterized in that, described clean taste emulsion comprises silicon third, pure third or benzene emulsion.
6. the clean aldehyde interior finish of photocatalyst according to claim 1, is characterized in that, described pH adjusting agent comprise NaOH (10%),
bS198 or PHLEX110.
7. the clean aldehyde interior finish of photocatalyst according to claim 1, it is characterized in that, described film coalescence aid comprises Coasol
tM290Plus or OXFILM
8. the clean aldehyde interior finish of photocatalyst according to claim 1, it is characterized in that, described wetting agent comprises ECOSURF
tMbD-405 and/or
nS2599.
9. the clean aldehyde interior finish of photocatalyst according to claim 1, is characterized in that: described defoamer comprises plant oil modified defoamer.
10. a preparation method for the clean aldehyde interior finish of the photocatalyst described in any one of claim 1-9, is characterized in that, comprising:
S1, pre-mixing: in deionized water 10.0-15.0 weight part, add dispersion agent 0.3-0.7 weight part, wetting agent 0.2-1.0 weight part, Natvosol 0.2-0.5 weight part and defoamer 0.1-0.25 weight part successively, PH conditioning agent 0.1-0.2 weight part is added under the rotating speed of 300-800r/min, and Keep agitation 2-5 minute;
S2, photocatalyst auxiliary agent disperse: under the rotating speed of 1000-1500r/min, and drop into photocatalyst auxiliary agent 0.3-1.0 weight part, then rotating speed brings up to 2500-3000r/min, dispersion 15-20 minute;
S3, the load of photocatalyst auxiliary agent: reduce rotating speed, under the rotating speed of 1000-1500r/min, drop into multifunction additive 5.0-8.0 weight part, then rotating speed brings up to 2000-2500r/min, load 10-15 minute;
S4, color stuffing disperse: under the rotating speed of 1000-1500r/min, add deionized water 4.0-10.0 weight part, drop into titanium dioxide 10.0-25.0 weight part, calcined kaolin 5.0-15.0 weight part and coarse whiting 5.0-15.0 weight part successively, under the rotating speed of 1500-2000r/min, dispersion 25-30 minute;
S5, paint: under the rotating speed of 500-800r/min, add clean aldehyde emulsion 10.0-25.0 weight part, clean taste emulsion 5.0-10.0 weight part and film coalescence aid 0.5-1.0 weight part, add with after deionized water 1.0-2.0 weight part respectively pre-mixing sanitas 0.1-0.2 weight part and thickening material 0.5-1.0 weight part, finally add mould inhibitor 0.2-0.5 weight part, defoamer 0.1-0.25 weight part and deionized water 0-13.0 weight part successively, under the rotating speed of 400-800r/min, stir 5-10 minute;
S6, detection, filtration.
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