CN110437682A - A kind of ordor removing is except formaldehyde composite coating and preparation method thereof - Google Patents
A kind of ordor removing is except formaldehyde composite coating and preparation method thereof Download PDFInfo
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- CN110437682A CN110437682A CN201910757937.6A CN201910757937A CN110437682A CN 110437682 A CN110437682 A CN 110437682A CN 201910757937 A CN201910757937 A CN 201910757937A CN 110437682 A CN110437682 A CN 110437682A
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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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
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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
- 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
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- C09D125/14—Copolymers of styrene with unsaturated esters
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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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
- 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
- C09D5/16—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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- 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
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- 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
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Abstract
The invention discloses a kind of ordor removings except formaldehyde composite coating and preparation method thereof, and the coating includes: 35~50 parts of ordor removing lotion according to parts by weight, and 5~8 parts of modified negative-ion powder, TiO23~6 parts of/diatomite composite material, 1.5~3.5 parts of ordor removing coalescing agent, 2.3~3.5 parts of antifreezing agent, 0.8~1.2 part of auxiliary rheological agents, 40~55 parts of pigments and fillers, 35~45 parts of deionized water, 2.0~3.5 parts of auxiliary agent；The method includes taking each component according to the ratio, first each auxiliary agent is dispersed in deionized water, is mixed, filler and modified negative-ion powder and TiO is then added2/ diatomite composite material, high-speed stirred, then grinding distribution, is added ordor removing lotion and rheological agent, turns 20~30min of high-speed stirred, is uniformly mixed, and adjusts viscosity, obtains anion ordor removing coating.Ordor removing provided by the invention obtains the coating with photocatalysis characteristic and anion characteristic except formaldehyde composite coating and preparation method thereof, and performance is stablized, and anion induces that ability is strong, has ordor removing and the ability except formaldehyde.
Description
Technical field
The present invention relates to technical field of environmental protection paint, in particular to a kind of ordor removing removes formaldehyde composite coating and its preparation side
Method.
Background technique
Negative aeroion has the function of to purify air, anti-oxidant, anti-aging, removing interior free yl etc., referred to as " air
Vitamin ".Negative ion paint in coating by adding the powder with anion electric field, to have the work for generating anion
With.The anion material being added in coating, it is often powdered, since the surface of anion powder is highly polar, applying it
Dispersibility in material is poor and very poor with the interface wellability of high molecular material, there is sedimentation and makes coating property unstable.
In the prior art usually by the modified dispersibility to improve anion material in surface, but the anion material after modifying agent is general
Store-through is the problem of pyroelectric and piezoelectricity performance decline, so that its anion be made to induce ability decline, ordor removing and removes formaldehyde
After ability is not high, and modified anion powder places a period of time, there are still settling, stability needs further
It improves.
TiO2With photocatalysis, under particular light, energy decomposing organic matter pollutant, therefore commonly use and do self-cleaning material
Material.When added with nano-TiO2Coating, have photocatalysis effect, air can be purified.But nano-TiO2Particle is easy to reunite and lose
Remove photocatalytic activity, therefore when as catalysis material, generally use it is carrier loaded with improve its dispersibility, to improve it
Catalytic activity.For photocatalysis carrier, it is desirable that it has preferable associativity, and large specific surface area, translucency with titanium dioxide
It is good.In the prior art, typically directly nano-titanium dioxide is added in coating, therefore its photocatalysis effect and bad, it can not
Titanium dioxide is set to be fully utilized.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide an ordor removings except formaldehyde composite coating and
Preparation method, it is intended to solve catalysis material and anion material in the prior art and disperse in coating unstable, coating is net
Change air and the ineffective defect except formaldehyde.
In order to achieve the above object, this invention takes following technical schemes:
A kind of ordor removing removes formaldehyde composite coating, wherein the coating includes: according to parts by weight
The ordor removing is removed in formaldehyde composite coating, the TiO2In/diatomite composite material, TiO2Load capacity be 38%
~47%.
The ordor removing is removed in formaldehyde composite coating, the TiO2/ diatomite composite material is prepared by hydrolysis methods,
The presoma that the hydrolysis methods use is TiCl4Or TiOSO4One of, preferably TiCl4。
The ordor removing is except in formaldehyde composite coating, the modified negative-ion powder includes following components according to parts by weight:
The ordor removing is except in formaldehyde composite coating, the ordor removing lotion includes: styrene-acrylic emulsion, acrylic acid ester emulsion, poly-vinegar
One of vinyl acetate lotion, ethylene vinyl acetate lotion.
The ordor removing is removed in formaldehyde composite coating, the pigments and fillers, modified negative-ion powder and TiO2/ composite diatomite material
The partial size mesh number of material >=2500 mesh.
The ordor removing is except in formaldehyde composite coating, the auxiliary agent includes dispersing agent, defoaming agent, wetting agent, preservative and prevents
Mould dose.
A kind of ordor removing as described above removes the preparation method of formaldehyde composite coating, wherein the described method comprises the following steps:
Step A1. ingredient: each component is taken according to the ratio；
Step A2. mixing: first by dispersing agent, defoaming agent, wetting agent, preservative, mould inhibitor, ordor removing coalescing agent, antifreeze
Agent is dispersed in deionized water in the case where moderate-speed mixer, and filler, modified negative-ion powder, TiO is then added2/
Diatomite composite material, 30~60min of high-speed stirred, then grinding distribution detect slurry fineness in process of lapping, control fineness
Lower than 40 μm, ordor removing lotion and rheological agent is added after fineness is up to standard, turns 30~50min of high-speed stirred, is uniformly mixed, adjusts viscous
Degree, obtains anion ordor removing coating.
The ordor removing is removed in the preparation method of formaldehyde composite coating, is additionally provided with step B1.TiO before the step A12/ diatom
The preparation of soil composite material, using TiCl4For presoma, the step B1 is specifically includes the following steps: taking diatomite and dispersing
In the water centainly matched, it is slowly added to concentrated hydrochloric acid and the TiCl of 3.0mol/L in the case of stirring4, continue to stir after adding
It mixes, mixes them thoroughly, be then slowly added into ammonium sulfate and concentrated hydrochloric acid mixed liquor, continue to stir 1h in room temperature, then be added
The sal volatile of 2mol/L adjusts pH value to 4.5~5, the reaction was continued 1~2h, then filters, and be washed with deionized it is heavy
It forms sediment, until without Cl in filtrate-, precipitating is collected, dry 3h obtains TiO then in 650 DEG C of calcining 2h at 105 DEG C2/ tripolite compound
Condensation material.
The ordor removing is except in the preparation method of formaldehyde composite coating, in the step B1, the proportion of diatomite and water is 1:
20~30.
The utility model has the advantages that
The present invention provides a kind of ordor removings except formaldehyde composite coating and preparation method thereof, using water-soluble ordor removing lotion conduct
Filmogen adds modified negative-ion powder and TiO2/ diatomite composite material, so that not only anion induces the coating of preparation
Ability is strong, and has preferable ordor removing and remove formaldehyde ability, while also having self-cleaning action.Compared with prior art, have with
It is lower the utility model has the advantages that
(1) using tourmaline powder as anion material, not only with permanent electric field action, can persistently induce air bear from
Son, and far ir ray can be emitted, there is activating cell, enhance cell function, the effect of health care；
(2) tourmaline is modified by composite modifier and white carbon black, obtains spherical modified negative-ion powder, has
The easily dispersion, the feature that stability is good, period of storage is long in water-based emulsion, and will not influence negative ion powder pyroelectric and
There is piezoelectricity preferable anion to induce ability, thus the ability for making coating have preferably purification air, removing formaldehyde.
(3) TiO2/ diatomite composite material, is prepared by hydrolysis methods, and obtained titanium dioxide is to receive
Meter level has preferable photocatalysis, while using diatomite as carrier, having porous structure, can adsorb in air
Formaldehyde and volatile organic matter, to improve photocatalysis effect and anion fine-purification effect.
(4) TiO2/ diatomite composite material, moreover it is possible to which degradation is attached to the organic pollutant of coating surface, makes coating
With self-cleaning function.
Specific embodiment
The present invention provides a kind of ordor removing except formaldehyde composite coating and preparation method thereof, to make the purpose of the present invention, technical side
Case and effect are clearer, clear, and the present invention is described in more detail by the following examples.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
A kind of ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The ordor removing of above-mentioned formula remove formaldehyde composite coating, by coating matrix add modified negative-ion powder and
TiO2/ diatomite composite material can be acted on effectively by photocatalysis and anion, formaldehyde, volatility in removing air
Organic matter and organic pollutant play the role of purifying air, remove formaldehyde, meanwhile, make coating that there is self-cleaning effect.It is described to change
Property anion powder there is the characteristic of permanent electrode, can persistently discharge negative aeroion, and negative aeroion has purification empty
Gas, degradable organic pollutant inhibit the effects of bacterial growth, sedimentation smog and dust；The TiO2In/diatomite composite material
TiO2For nanostructure, there is preferable photocatalysis, the diatomite is porous structure, is not only adsorbed with a large amount of
TiO2, moreover it is possible to the volatile organic matter in air is adsorbed, the organic matter of absorption is decomposed in photocatalysis, to purify sky
Gas.Above-mentioned formula, as film forming matter, does not add any organic solvent, in preparation and use process using water-soluble shape ordor removing lotion
In do not discharge any volatile organic matter, the anion ordor removing coating of preparation belongs to green environmental friendly coatings.
Above-mentioned ordor removing is removed in formaldehyde composite coating proportion, the TiO2In/diatomite composite material, TiO2Load capacity be
38%~47%.The load capacity of the TiO2 is higher, then its photocatalysis effect is better, but the load capacity the high more the group of being easy to happen
It is poly-, the specific surface area and pore-size distribution of material are influenced, to reduce photocatalysis performance.Work as TiO2Load capacity be 38%~47%
When, there is preferable photocatalysis performance.Preferably, work as TiO2Load capacity 44% when, photocatalysis effect is best.
Above-mentioned ordor removing is removed in formaldehyde composite coating proportion, the TiO2/ diatomite composite material is prepared by hydrolysis methods
It forms, the presoma that the hydrolysis methods use is TiCl4Or TiOSO4One of, preferably TiCl4。TiO2/ diatomite
There are many preparation methods of composite material, including colloidal sol-coacervation, Hydrolyze method, hydrolysis methods etc., wherein hydrolysis methods
The TiO of preparation2/ diatomite composite material, TiO2For nanostructure, and it can be uniformly carried on diatomite aperture surface, had
There is preferable photocatalysis performance.The presoma that the hydrolysis methods use can be TiCl4Or TiOSO4, can both lead to
Hydrolytic precipitation reaction is crossed, the nanoscale Ti0 that partial size is smaller, is evenly distributed is obtained2.Precursor is TiCl4, with higher negative
Carrying capacity.
Above-mentioned ordor removing is except in formaldehyde composite coating proportion, the modified negative-ion powder includes with the following group according to parts by weight
Point:
In above-mentioned modified negative-ion powder, the tourmaline powder has the characteristic of permanent electrode, is mainly shown as piezoelectricity
And pyroelectric, piezoelectric property generate negative aeroion, have purification air, remove the effect of formaldehyde, negative oxygen therein from
Son also has bacteriostasis antibiosis, the function of sterilizing；Its pyroelectric can emit far ir ray, have activating cell, increase
Strong cell function, the effect of health care.
In above-mentioned modified negative-ion powder, since tourmaline powder is polar material, it is difficult to it is dispersed in nonpolar coating,
To need to be modified its surface, to improve its dispersibility.It is total by Sodium Polyacrylate and sodium polyphosphate in the present invention
Same-action carries out surface to tourmaline and is modified, can preferably be scattered in water-based emulsion, and stability is good.Described poly- third
Sour sodium is organic dispersing agent, and the RCOO- in Sodium Polyacrylate can mutually be tied under alkaline condition with the hydroxyl on tourmaline surface
It closes, to be adsorbed on tourmaline surface, clad is formed on tourmaline surface, to improve the zeta current potential of tourmaline.Together
When, since the chain of Sodium Polyacrylate is long, space steric effect easy to form, to improve the dispersibility and stabilization of tourmaline
Property.
In above-mentioned modified negative-ion powder, the sodium polyphosphate is easy dissociation without inorganic dispersant under alkaline condition
At electronegative phosphate radical, the surface of tourmaline is equally readily adsorbed in by phosphate radical, and since phosphate radical molecule is small
Molecule is able to enter Sodium Polyacrylate long-chain molecule since space steric effect can not be in tourmaline Surface Creation densification clad
In generated gap, so that being used cooperatively by long-chain molecule and small molecule, makes it possible to form densification on tourmaline surface
Clad, so as to improve the dispersibility and stability of tourmaline.Preferably, when the ratio of sodium polyacrylate and sodium polyphosphate
When adding for 2:1, higher zeta current potential can be obtained, the zeta current potential absolute value of modified powder is mentioned from 9.5mv before modified
Height arrives 28.6mv, has preferable dispersibility and stability.
Upper modified negative-ion powder, it is composite modified by Sodium Polyacrylate and sodium polyphosphate, it can be in tourmaline surface shape
It at fine and close clad, can preferably be combined with ordor removing lotion, improve the dispersibility and stability of tourmaline powder, be formed steady
Fixed ordor removing coating.
In above-mentioned modified negative-ion powder, since tourmaline is usually sheet or triangular shape structure, it is easy overlapping and reunites, and
White carbon black is fine grain inorganic particle, can be adsorbed on modified tourmaline surface, form the particle of chondritic.It is spherical
Tourmaline powder can reduce interparticle liquid bridge power, increase interparticle distance, reduce the mutual bonding of particle, to improve electrical
The dispersibility and stability of mountain flour.
Above-mentioned ordor removing except formaldehyde composite coating proportion in, the ordor removing lotion include: styrene-acrylic emulsion, acrylic acid ester emulsion,
One of polyvinyl acetate emulsion, ethylene vinyl acetate lotion.The ordor removing lotion is water-soluble emulsion, is free of and appoints
What organic solvent, it is environmentally protective.Preferably, the ordor removing lotion is that styrene-acrylic emulsion makes have optimal effect, it is highly preferred that institute
It is best for stating the ordor removing lotion ECO338 that styrene-acrylic emulsion is BASF.
Specifically, above-mentioned ordor removing except formaldehyde composite coating proportion in, the pigments and fillers include R706 titanium dioxide, kaolin,
It is several in talcum powder, powdered whiting and pigment.The pigments and fillers can not only make coating have color, while the height added
Ridge soil, talcum powder, powdered whiting can improve coating hardness, enhance the mechanical strength of coating.
Preferably, above-mentioned ordor removing is removed in formaldehyde composite coating proportion, the pigments and fillers, modified negative-ion powder and TiO2/
The partial size mesh number of diatomite composite material >=2500 mesh.The dispersibility and stability of each insoluble inorganic material have with its partial size
It closes, partial size is smaller, and the dispersibility in coating is better, but partial size is smaller, and the difficulty and cost of processing are bigger, work as diameter of particle
When mesh number >=2500 mesh, there is preferable dispersibility, and processing cost is moderate.
Specifically, above-mentioned ordor removing is removed in formaldehyde composite coating proportion, and the ordor removing coalescing agent is 2,2,4- trimethyl -1,
3- pentanediol mono isobutyrate；The antifreezing agent is propylene glycol, has preferable antifreeze ability, can effectively prevent coating in low temperature
Under freeze；The auxiliary rheological agents are the Hydropalat SL 3611 of German BASF, and the rheology that can preferably adjust coating is special
Property, reduce the sedimentation of pigment in coating.
Specifically, above-mentioned ordor removing except formaldehyde composite coating proportion in, the auxiliary agent include dispersing agent, defoaming agent, wetting agent,
Preservative and mould inhibitor.The auxiliary agent can improve the physics and chemical stability of ordor removing lotion.Wherein, the dispersing agent is suitable
The dispersing agent of water paint, preferably Tao Shi provide 731A dispersing agent, can allow ordor removing lotion it is uniform and stable be dispersed in water phase
In；The defoaming agent uses the AMP95 of Tao Shi, has the function of preferably eliminating and inhibiting foam；The wetting agent is using pottery
The alkyl aryl polyether alcohol that family name provides has the function of making pigments and fillers are more preferably more stable to be distributed in lotion；The preservative is adopted
The rocima 520S provided with Tao Shi；The LX150 that the mould inhibitor uses Tao Shi to provide, preservative are used cooperatively with mould inhibitor,
The growth that can effectively prevent bacterium and fungi keeps the application range of coating wider.
A kind of ordor removing as described above removes the preparation method of formaldehyde composite coating, the described method comprises the following steps:
Step A1. ingredient: each component is taken according to the ratio；
Step A2. mixing: first by dispersing agent, defoaming agent, wetting agent, preservative, mould inhibitor, ordor removing coalescing agent, antifreeze
Agent is dispersed in deionized water in the case where moderate-speed mixer, and filler, modified negative-ion powder, TiO is then added2/
Diatomite composite material, 30~60min of high-speed stirred, then grinding distribution detect slurry fineness in process of lapping, control fineness
Lower than 40 μm, ordor removing lotion and rheological agent is added after fineness is up to standard, turns 30~50min of high-speed stirred, is uniformly mixed, adjusts viscous
Degree, obtains anion ordor removing coating.
The ordor removing except formaldehyde composite coating preparation method in further include step B1.TiO2/ diatomite composite material
Preparation, using TiCl4For presoma, specifically includes the following steps: take diatomite and water by the proportion of 1:20~30, and by diatomite
It is dispersed in water, is slowly added to concentrated hydrochloric acid and the TiCl of 3.0mol/L in the case of stirring4, continue after adding stirring 10~
20min is mixed them thoroughly, and is then slowly added into ammonium sulfate and concentrated hydrochloric acid mixed liquor, in room temperature (within the scope of 20~25 DEG C compared with
It is good) continue to stir 1h, the sal volatile of 2mol/L is then added, adjusts pH value to 4.5~5, the reaction was continued 1~2h, then
Filtering, and precipitating is washed with deionized, until without Cl in filtrate-, precipitating is collected, the dry 3h at 105 DEG C, then 650
DEG C calcining 2h, obtain TiO2/ diatomite composite material.
The ordor removing except formaldehyde composite coating preparation method in further include step B2. modified negative-ion powder preparation,
Specifically includes the following steps: taking tourmaline powder, Sodium Polyacrylate, sodium polyphosphate and filling additive according to the ratio, while by electrical
The proportion of mountain flour and deionized water 1:8~10 removes ionized water；First tourmaline powder and deionized water are stirred, are then added
It to the Sodium Polyacrylate being pre-mixed, in sodium polyphosphate, stirs evenly, and regulation system pH is 9~10, is then added white
Carbon black is uniformly mixed, then mixture carries out to stirring at low speed at 80 DEG C~90 DEG C ball milling, and ball milling speed is 1000~
2000rpm recycles 4~6h of ball milling, then carries out high-speed stirred ball milling again, and ball milling speed is 3000~4000rpm, recycles ball milling
After 1~2h, modified negative-ion slurry material is obtained；Slurry is dry, and grinding obtains modified negative-ion powder.
Above-mentioned ordor removing removes the preparation method of formaldehyde composite coating, can obtain with purification air, removing formaldehyde and peculiar smell
Anion ordor removing coating, the method load nano-TiO by diatom ooze2, make coating that there is photocatalysis and self-cleaning function,
It is modified by carrying out surface to tourmaline, makes it that there is preferable dispersibility and stability in water-based emulsion, thus preparation
Coating not only has the effect that air is purified except formaldehyde, and the stability of coating is good, not stratified, is a kind of environmentally protective health
Coating.
Embodiment 1
A kind of preferred ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The TiO2TiO in/diatomite composite material2Load capacity be 44%, the auxiliary rheological agents are German BASF
Hydropalat SL 3611, the auxiliary agent include dispersing agent, defoaming agent, wetting agent, preservative and mould inhibitor, the dispersing agent
For the 731A dispersing agent that Tao Shi is provided, the defoaming agent uses the AMP95 of Tao Shi, the alkane virtue that the wetting agent is provided using Tao Shi
Base Aethoxy Sklerol, the rocima 520S that the preservative uses Tao Shi to provide, the LX150 that the mould inhibitor uses Tao Shi to provide.
The modified negative-ion powder includes following components according to parts by weight:
The modified negative-ion powder, TiO2/ diatomite composite material, R706 titanium dioxide, kaolin, talcum powder, heavy
The partial size mesh number of calcium carbonate >=2500 mesh.
A kind of ordor removing as described above removes the preparation method of formaldehyde composite coating, the method includes the steps: TiO2/ diatom
The preparation of soil composite material: diatomite and water are taken by 1:25 proportion, and diatomite is dispersed in water, is delayed in the case of stirring
The slow TiCl that concentrated hydrochloric acid and 3.0mol/L is added4, continue to stir 10min after adding, mix them thoroughly, be then slowly added into sulphur
Sour ammonium and concentrated hydrochloric acid mixed liquor, continue in 20 DEG C of room temperature stir 1h, then be added 2mol/L sal volatile, adjust pH value to
4.5~5, the reaction was continued 1~2h, are then filtered, and precipitating is washed with deionized, until without Cl in filtrate-, precipitating is collected,
Dry 3h obtains TiO then in 650 DEG C of calcining 3h at 105 DEG C2/ diatomite composite material.
The preparation of modified negative-ion powder: tourmaline powder, Sodium Polyacrylate, sodium polyphosphate and filling is taken to help according to the ratio
Agent, while ionized water is removed by the proportion of tourmaline powder and deionized water 1:8；First tourmaline powder and deionized water are stirred mixed
It closes, is then added to the Sodium Polyacrylate being pre-mixed, in sodium polyphosphate, stirs evenly, and regulation system pH is 9.8,
Then white carbon black is added, is uniformly mixed, then mixture carries out to stirring at low speed at 85 DEG C ball milling, ball milling speed is 1000~
2000rpm recycles 4~6h of ball milling, then carries out high-speed stirred ball milling again, and ball milling speed is 3000~4000rpm, recycles ball milling
After 1~2h, modified negative-ion slurry material is obtained；Slurry is dry, and grinding obtains modified negative-ion powder.
The preparation of coating: taking each component according to the ratio, first by dispersing agent, defoaming agent, wetting agent, preservative, mould inhibitor, ordor removing
Coalescing agent, antifreezing agent are dispersed in deionized water in the case where moderate-speed mixer, be then added filler, it is modified bear from
Sub- powder, TiO2/ diatomite composite material, 30~60min of high-speed stirred, then grinding distribution detect slurry in process of lapping
Fineness, control fineness are lower than 40 μm, and ordor removing lotion and rheological agent is added after fineness is up to standard, turns 30~50min of high-speed stirred, mixes
Uniformly, viscosity is adjusted, anion ordor removing coating is obtained.
The ordor removing of embodiment 2-5 is same as Example 1 except formaldehyde composite coating, and difference, which remakes, to be illustrated.
Embodiment 2
A kind of ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The TiO2TiO in/diatomite composite material2Load capacity be 38%, the auxiliary rheological agents are German BASF
Hydropalat SL 3611, the auxiliary agent include dispersing agent, defoaming agent, wetting agent, preservative and mould inhibitor, the dispersing agent
For the 731A dispersing agent that Tao Shi is provided, the defoaming agent uses the AMP95 of Tao Shi, the alkane virtue that the wetting agent is provided using Tao Shi
Base Aethoxy Sklerol, the rocima 520S that the preservative uses Tao Shi to provide, the LX150 that the mould inhibitor uses Tao Shi to provide.
The modified negative-ion powder includes following components according to parts by weight:
The modified negative-ion powder, TiO2/ diatomite composite material, R706 titanium dioxide, kaolin, talcum powder, heavy
The partial size mesh number of calcium carbonate >=2500 mesh.
Embodiment 3
A kind of ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The TiO2TiO in/diatomite composite material2Load capacity be 47%, the auxiliary rheological agents are German BASF
Hydropalat SL 3611, the auxiliary agent include dispersing agent, defoaming agent, wetting agent, preservative and mould inhibitor, the dispersing agent
For the 731A dispersing agent that Tao Shi is provided, the defoaming agent uses the AMP95 of Tao Shi, the alkane virtue that the wetting agent is provided using Tao Shi
Base Aethoxy Sklerol, the rocima 520S that the preservative uses Tao Shi to provide, the LX150 that the mould inhibitor uses Tao Shi to provide.
The modified negative-ion powder includes following components according to parts by weight:
Embodiment 4
A kind of ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The TiO2TiO in/diatomite composite material2Load capacity be 40%, the auxiliary rheological agents are German BASF
Hydropalat SL 3611, the auxiliary agent include dispersing agent, defoaming agent, wetting agent, preservative and mould inhibitor, the dispersing agent
For the 731A dispersing agent that Tao Shi is provided, the defoaming agent uses the AMP95 of Tao Shi, the alkane virtue that the wetting agent is provided using Tao Shi
Base Aethoxy Sklerol, the rocima 520S that the preservative uses Tao Shi to provide, the LX150 that the mould inhibitor uses Tao Shi to provide.
The modified negative-ion powder includes following components according to parts by weight:
The modified negative-ion powder, TiO2/ diatomite composite material, R706 titanium dioxide, kaolin, talcum powder, heavy
The partial size mesh number of calcium carbonate >=2500 mesh.
Embodiment 5
A kind of ordor removing removes formaldehyde composite coating, and the coating includes: according to parts by weight
The TiO2TiO in/diatomite composite material2Load capacity be 44%, TiO2TiO in/diatomite composite material2
The presoma used is prepared as TiOSO4, the auxiliary rheological agents are the Hydropalat SL 3611 of German BASF, described to help
Agent includes dispersing agent, defoaming agent, wetting agent, preservative and mould inhibitor, and the dispersing agent is the 731A dispersing agent that Tao Shi is provided, institute
The AMP95 that defoaming agent uses Tao Shi is stated, the alkyl aryl polyether alcohol that the wetting agent uses Tao Shi to provide, the preservative is using pottery
The rocima 520S that family name provides, the LX150 that the mould inhibitor uses Tao Shi to provide.
The modified negative-ion powder includes following components according to parts by weight:
The modified negative-ion powder, TiO2/ diatomite composite material, R706 titanium dioxide, kaolin, talcum powder, heavy
The partial size mesh number of calcium carbonate >=2500 mesh.
The preparation method of institute's coating is in addition to TiO2The preparation step of/diatomite composite material is different, other steps and implementation
Example 1 it is identical, for details, reference can be made to embodiment 1, the TiO2Specific preparation process is as follows for/diatomite composite material: by diatom
Soil is dispersed in water, and stirring, a small amount of sulfuric acid, which is then added, makes solution ph 2-4, is then slowly added into TiOSO4, in 60-70
DEG C continue to stir 30-60min, adjust mixed liquor pH value to 4.5 with propylhomoserin, continue to stir 2-4h, then filter, filtrate spend from
Sub- water washing collects filter residue in 105 DEG C of dry 1h and, then in 650 DEG C of calcining 3h, obtains TiO2/ diatomite composite material.
The embodiment 1-5 coating being prepared is numbered in order as 1#, 2#, 3#, 4#, 5#, separately sampled carry out coating
Performance detection, examination criteria are " indoor according to GB/T 9756-2018 " resin latex dope ", GB 18582-2008
Limits of harmful substances in decorating and renovating material interior wall coating ", HG/T 4109-2009 " anion function coating ", JC/T 1074-
2008 " function of purifying indoor air coating material purifying properties " carry out, and specific testing result is shown as described in Table 1.
1. coating property Indexs measure result of table
It is found that 1#-5# sample is had excellent performance from upper table, the negative aeroion amount of inducing considerably beyond the quasi- Zhi of Biao≤
350/s.cm2, purifying formaldehyde performance is all larger than standard value 75%, the good purification of PARA FORMALDEHYDE PRILLS(91,95).
In conclusion ordor removing provided by the invention removes formaldehyde composite coating, pass through addition modified negative-ion powder and TiO2/ silicon
Diatomaceous earth composite material can not only discharge air negative ion purifying air, while TiO2Photocatalysis energy decomposing formaldehyde and wave
Hair property organic matter, plays the effect of double purified air.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (10)
1. a kind of ordor removing removes formaldehyde composite coating, which is characterized in that the coating includes: according to parts by weight
2. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the TiO2/ diatomite composite material
In, TiO2Load capacity be 38%~47%.
3. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the TiO2/ diatomite composite material
It is prepared by hydrolysis methods, the presoma that the hydrolysis methods use is TiCl4Or TiOSO4One of, preferably
TiCl4。
4. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the modified negative-ion powder is by weight
Measuring number meter includes following components:
5. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the ordor removing lotion includes: phenylpropyl alcohol
One of lotion, acrylic acid ester emulsion, polyvinyl acetate emulsion, ethylene vinyl acetate lotion.
6. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the pigments and fillers, modified negative-ion
Powder and TiO2The partial size mesh number of/diatomite composite material >=2500 mesh.
7. ordor removing according to claim 1 removes formaldehyde composite coating, which is characterized in that the auxiliary agent includes dispersing agent, disappears
Infusion, wetting agent, preservative and mould inhibitor.
8. the preparation method that ordor removing according to claim 1-7 removes formaldehyde composite coating, which is characterized in that described
Method the following steps are included:
Step A1. ingredient: each component is taken according to the ratio；
Step A2. mixing: first dispersing agent, defoaming agent, wetting agent, preservative, mould inhibitor, ordor removing coalescing agent, antifreezing agent are existed
It is dispersed in deionized water in the case where moderate-speed mixer, filler, modified negative-ion powder, TiO is then added2/ diatom
Soil composite material, 30~60min of high-speed stirred, then grinding distribution detect slurry fineness in process of lapping, and control fineness is lower than
40 μm, ordor removing lotion and rheological agent is added after fineness is up to standard, turns 30~50min of high-speed stirred, is uniformly mixed, adjusts viscosity, obtains
Anion ordor removing coating.
9. the preparation method that ordor removing according to claim 8 removes formaldehyde composite coating, which is characterized in that before the step A1
It is additionally provided with step B1.TiO2The preparation of/diatomite composite material, using TiCl4For presoma, the step B1 specifically include with
Lower step: it takes diatomite and is scattered in the water centainly matched, be slowly added to concentrated hydrochloric acid and 3.0mol/L in the case of stirring
TiCl4, continue to stir after adding, mix them thoroughly, be then slowly added into ammonium sulfate and concentrated hydrochloric acid mixed liquor, in room temperature after
Continuous stirring 1h, is then added the sal volatile of 2mol/L, adjusts pH value to 4.5~5, the reaction was continued 1~2h, then filters,
And precipitating is washed with deionized, until without Cl in filtrate-, precipitating is collected, dry 3h, is then calcined at 650 DEG C at 105 DEG C
2h obtains TiO2/ diatomite composite material.
10. the preparation method that ordor removing according to claim 9 removes formaldehyde composite coating, which is characterized in that the step B1
In, the proportion of diatomite and water is 1:20~30.
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Application publication date: 20191112 |