CN104497765A - Inner wall latex paint capable of removing formaldehyde and preparation method of inner wall latex paint - Google Patents
Inner wall latex paint capable of removing formaldehyde and preparation method of inner wall latex paint Download PDFInfo
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- CN104497765A CN104497765A CN201510037218.9A CN201510037218A CN104497765A CN 104497765 A CN104497765 A CN 104497765A CN 201510037218 A CN201510037218 A CN 201510037218A CN 104497765 A CN104497765 A CN 104497765A
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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
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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
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
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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
- C09D7/47—Levelling agents
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- 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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- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides an inner wall latex paint capable of removing formaldehyde and a preparation method of the inner wall latex paint. The inner wall latex paint capable of removing the formaldehyde comprises the following components in parts by weight: 30-35 parts of water, 2.5-5 parts of nano titanium dioxide, 40-50 parts of powder fillers, 10-20 parts of film-forming emulsion and 5-10 parts of other auxiliary agents, wherein the film-forming emulsion is pure acrylic emulsion and/or styrene-acrylate emulsion. The preparation method comprises the following steps: mixing water and part of the auxiliary agents; dispersing and stirring; then adding the powder fillers and nano titanium dioxide; dispersing and stirring; then adding the film-forming emulsion; dispersing and stirring to obtain a third raw material; adding the residual auxiliary agents; and dispersing and stirring to obtain a product. According to the inner wall latex paint, free radicals with high catalytic activity are generated by using photocatalysis of the nano titanium dioxide under the action of ultraviolet light in sunlight or lamplight, so that the very strong optical oxidization and reduction capabilities can be generated; organic pollutants including formaldehyde, benzene and the like attached on the surfaces of objects can be catalyzed and photolyzed, so that the function of purifying indoor air is realized.
Description
Technical field
The present invention relates to interiro wall latex paint field, in particular to a kind of interiro wall latex paint except formaldehyde and preparation method thereof.
Background technology
According to incompletely statistics, the number of being poisoned to death occurred because of indoor decorating is every year nearly hundreds thousand of.Visible, healthy decorating and renovating material, especially healthy very important to household of interiro wall latex paint product in finishing.Even if but using the interiro wall latex paint product of environment protection health to carry out decorations is also difficult to avoid not by the pollution of other finishing materials, such as: contain in a large amount of formaldehyde, paint containing objectionable impuritiess such as benzene, heavy metal, free TDI and VOC containing containing in a large amount of formaldehyde, wallpaper glue in a large amount of formaldehyde, floor in sheet material.This unfavorable factor just making indoor environment harmful abrim everywhere.
In view of this, special proposition the present invention.
Summary of the invention
The first object of the present invention is to provide a kind of interiro wall latex paint except formaldehyde, the described interiro wall latex paint except formaldehyde utilizes the photocatalysis of nano titanium oxide, the radical with high catalytic activity is generated under the effect of daylight or light middle-ultraviolet lamp, very strong photoxidation and reducing power can be produced, catalysis, photodissociation can be attached to the organic pollutant such as formaldehyde, benzene of body surface, play the function purified the air of a room.
The second object of the present invention is the preparation method providing a kind of described interiro wall latex paint except formaldehyde, and the method is simple, and obtained coating quality is homogeneous, can ensure that each constituent structure is not destroyed.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
Except an interiro wall latex paint for formaldehyde, comprising:
By weight, water 30-35 part, nano titanium oxide 2.5-5 part, powder stuffing 40-50 part, filming emulsion 10-20 part, other auxiliary agent 5-10 part;
Wherein, described filming emulsion is pure-acrylic emulsion and/or benzene emulsion.
More than except the interiro wall latex paint of formaldehyde makes water-miscible paint with pure-acrylic emulsion, benzene emulsion for filming emulsion, have water-fastness, alkaline-resisting, weathering resistance, nontoxic, corrosion-free, without advantages such as burning, easy clean anti-soils; More than except the interiro wall latex paint of formaldehyde also adds nano titanium oxide, it has photocatalysis, the radical with high catalytic activity is produced under the effect of daylight or light middle-ultraviolet lamp, very strong photoxidation and reducing power can be produced, catalysis, photodissociation can be attached to the organic pollutant such as formaldehyde, benzene of body surface, play the function purified the air of a room.In addition, above emulsion paint additionally uses the proportioning of science, and thus stability is high, paint film is fine and smooth, can cover trickle slight crack.
As can be seen here, the interiro wall latex paint more than removing formaldehyde not only improves traditional performance of coating, and adds function of removing formaldehyde, and is irreversible removing formaldehyde, impedes a future disaster.
Further, also comprise following in one or more: algae clay mineral matter, nanometer silver, chrysanthemum ester.
Algae clay mineral matter, but also can the objectionable impurities such as formaldehyde adsorption, benzene, ammonia not only without any pollution, strengthens the effect that emulsion paint purifies air.
Nanometer silver can mildew-resistant, antibacterial, thus strengthens the function that emulsion paint purifies air.
Chrysanthemum ester can mosquito, especially Aedes albopictus and culex pipiens pollens, after testing, after adding chrysanthemum ester in emulsion paint of the present invention, killing rate (24h) to Aedes albopictus is about 86.62%, be about 30.16% to the rate of killing (24h) of culex pipiens pollens, visible, it can make people thoroughly away from harmful mosquito-repellent incense, mosquito liquid.
Further, by weight, water 30-35 part, nano titanium oxide 2.5-5 part, powder stuffing 40-50 part, filming emulsion 10-20 part, chrysanthemum ester 0.5-1 part, nanometer silver 0.8-1.2 part, algae clay mineral matter 0.5-2.5 part, other auxiliary agent 3-5 part.
The emulsion paint utilizing this formula to make has except several functions such as formaldehyde, mosquito, antimycotic antiseptics.
Further, described auxiliary agent be following in one or more:
Sanitas, wetting agent, dispersion agent, defoamer, frostproofer, film coalescence aid, pH adjusting agent, thickening material, flow agent.Add the process based prediction model that these auxiliary agents can improve coating.
Further, described sanitas be following in one or more: Kathon CG, isothiazolinone; The favorable anti-corrosion effect of these two kinds of sanitass, and good with the com-patibilising effect of filming emulsion.
Described wetting agent is polyoxyethylene octylphenol ether; It has good emulsifying, dispersion, antistatic property, has bacteriostasis property, shields, nontoxic, harmless.Preferred employing HLB value is the polyoxyethylene octylphenol ether of 17.9.
Described dispersion agent is sodium polyacrylate; It is as a kind of tensio-active agent, and hydrophile-lipophile balance value (HLB) is moderate, adapts to dispersion coating of the present invention.
Described defoamer is liquid metal soap class emulsion; It is without physiologically active, corrosion-free, nontoxic, without adverse side effect, do not fire, not quick-fried, security is high.
Described frostproofer is ethylene glycol; Its price is low, and antifreezing effect is excellent.
Described film coalescence aid is Lauryl Alcohol ester; It effectively can reduce the minimum film-forming temperature of coating.
Described pH adjusting agent is 2-amino-2-methyl-1-propanol; It can reduce the consumption of many conventional paint additives, thus effectively reduces material cost, turn improves the dispersing property of coating simultaneously.
Described thickening material is polyacrylate, urethane, hydroxyethyl ether.
Described flow agent is urethane, and it is nonpoisonous and tasteless, high temperature resistant and low temperature, make coating film forming evenly, nature.
Further, powder stuffing be following in one or more: titanium dioxide, kaolin, coarse whiting, raw materials cost is low, and filling effect is good.
More than except the preparation method of the interiro wall latex paint of formaldehyde, comprise the following steps:
Steps A: water is mixed with part of auxiliary, dispersion is stirred, and obtains the first raw material;
Step B: add powder stuffing, nano titanium oxide in described first raw material, dispersion is stirred, and obtains the second raw material;
Step C: add filming emulsion in described second raw material, dispersion is stirred, and obtains the 3rd raw material;
Step D: add all the other auxiliary agents in described 3rd raw material, dispersion is stirred, and obtains product.
Above preparation method is stratified progressively adds each raw material, both can ensure that each constituent structure is not destroyed, thus give full play to respective effect, can ensure that again coating quality is homogeneous.Meanwhile, above preparation method is simple, reduces production difficulty.
Wherein, the routine according to coating property adjusts, and by auxiliary agent, A and step D two step add step by step.In actual production, suitably can adjust according to specific requirement, such as, three steps or more can also be divided to walk and add auxiliary agent.
Further, add powder stuffing, nano titanium oxide in described first raw material while, nanometer silver, algae clay mineral matter is also added.Algae clay mineral matter, but also can the objectionable impurities such as formaldehyde adsorption, benzene, ammonia not only without any pollution, strengthens the effect that emulsion paint purifies air.Nanometer silver can mildew-resistant, antibacterial, thus strengthens the function that emulsion paint purifies air.
Further, described auxiliary agent comprises sanitas, wetting agent, dispersion agent, defoamer, frostproofer, film coalescence aid, pH adjusting agent, thickening material, flow agent, and the auxiliary agent added in step is sanitas, wetting agent, dispersion agent, the frostproofer of whole amount, and 0.4-0.6 times of defoamer to total amount, pH adjusting agent and thickening material.
Further, in described step C, the speed that dispersion is stirred is below 500r/min.If there will be breakdown of emulsion problem higher than 500r/min.
Further, the stirring velocity in steps A is 350-400r/min, can be fully uniformly dispersed by auxiliary agent.More preferably, 5min is stirred.
Further, the stirring velocity in step B is 800-1200r/min, powder fineness can be distributed to less than 35 μm.More preferably, 30min is stirred.
Further, chrysanthemum ester can also be added separately after described step C He before step D, increase the mosquito effect of emulsion paint, can also flocculation reaction be avoided.And preferred rate of dispersion is below 300r/min, and the time is 5min.
Further, the stirring velocity in step D is 400-600r/min, to avoid breakdown of emulsion.More preferably, stir 5min, and it is unsuitable too fast to add speed.
Further, according to the actual requirements, optionally can also add pigment, to obtain required color.
Compared with prior art, beneficial effect of the present invention is:
(1) except there is excellent traditional performance, also have except several functions such as formaldehyde, mosquito, antimycotic antiseptics.
(2) raw materials cost is low, and cost performance is high.
(3) be water-miscible paint, nontoxic pollution-free.
(4) strong adhesion, water-alkali resistance is good, paint film is fine and smooth, cover trickle slight crack, scrubbing resistance, easy clean anti-soil.
(5) quality is homogeneous, and stability is high.
(6) alternative is many, the types such as such as sub-light, sheen.
Embodiment
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturers suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
The formula of embodiment 1-5 is as following table 1.
The formula of table 1 embodiment 1-5
After testing, above-described embodiment 1-5 all meets the requirement of GB/T9756-2009 standard.
For further illustrating effect of the present invention, the following provide concrete experimental example (% in form refers to weight percent).
Experimental example 1
A kind of formula of the interiro wall latex paint except formaldehyde is as table 2.
The formula of table 2 experimental example 1
The preparation method of this experimental example is as follows:
1. first water is joined and produce in scuffing of cylinder bore, open high speed dispersion machine equipment, rate of dispersion is adjusted to 350r/min.Add 2-8 starting material successively, rate of dispersion is adjusted to 400r/min, dispersion is stirred 5min and is entered next operation stage;
2. rate of dispersion is adjusted to 800r/min-1200r/min (regulating voluntarily according to turnout size), adds 9-15 starting material successively, 30min is stirred in dispersion, detects fineness, enters next operation stage after fineness≤35 μm;
3. rate of dispersion is adjusted to 500r/min, adds 16-17 starting material successively, dispersion 5min enters next operation stage;
4. rate of dispersion is adjusted to 400r/min, adds 18-20 starting material successively, dispersion 5min enters next operation stage;
5. rate of dispersion is adjusted to below 300r/min, adds No. 21 starting material, dispersion 5min enters next operation stage;
6. rate of dispersion is adjusted to 400r/min, adds 22-24 starting material successively.Dispersion 5min enters finished product detection, the qualified rear packaging shipment of indices.
The detected result of this experimental example is as table 3.
The detected result of table 3 experimental example 1
Experimental example 2
A kind of formula of the interiro wall latex paint except formaldehyde is as table 4.
The formula of table 4 experimental example 2
The preparation method of above-mentioned coating is with experimental example 1.
The detected result of this experimental example is as table 5.
The detected result of table 5 experimental example 2
Experimental example 3
A kind of formula of the interiro wall latex paint except formaldehyde is as table 6.
The formula of table 6 experimental example 3
The preparation method of above-mentioned coating is with experimental example 1.
The detected result of this experimental example is as table 7.
The detected result of table 7 experimental example 3
Experimental example 4
A kind of formula of the interiro wall latex paint except formaldehyde is as table 8.
The formula of table 8 experimental example 4
The preparation method of above-mentioned coating is with experimental example 1.
The detected result of this experimental example is as table 9.
The detected result of table 9 experimental example 4
Experimental example 5
A kind of formula of the interiro wall latex paint except formaldehyde is as table 10.
The formula of table 10 experimental example 5
The preparation method of above-mentioned coating is with experimental example 1.
The detected result of this embodiment is as table 11.
The detected result of table 11 experimental example 5
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1., except an interiro wall latex paint for formaldehyde, it is characterized in that, comprising:
By weight, water 30-35 part, nano titanium oxide 2.5-5 part, powder stuffing 40-50 part, filming emulsion 10-20 part, other auxiliary agent 5-10 part;
Wherein, described filming emulsion is pure-acrylic emulsion and/or benzene emulsion.
2. the interiro wall latex paint except formaldehyde according to claim 1, is characterized in that, also comprise following in one or more: algae clay mineral matter, nanometer silver, chrysanthemum ester.
3. the interiro wall latex paint except formaldehyde according to claim 2, it is characterized in that, by weight, water 30-35 part, nano titanium oxide 2.5-5 part, powder stuffing 40-50 part, filming emulsion 10-20 part, chrysanthemum ester 0.5-1 part, nanometer silver 0.8-1.2 part, algae clay mineral matter 0.5-2.5 part, other auxiliary agent 3-5 part.
4. the interiro wall latex paint except formaldehyde according to claim 1, is characterized in that, described auxiliary agent be following in one or more:
Sanitas, wetting agent, dispersion agent, defoamer, frostproofer, film coalescence aid, pH adjusting agent, thickening material, flow agent.
5. the interiro wall latex paint except formaldehyde according to claim 4, it is characterized in that, described sanitas is: Kathon CG, and/or isothiazolinone;
Described wetting agent is polyoxyethylene octylphenol ether;
Described dispersion agent is sodium polyacrylate;
Described defoamer is liquid metal soap class emulsion;
Described frostproofer is ethylene glycol;
Described film coalescence aid is Lauryl Alcohol ester;
Described pH adjusting agent is 2-amino-2-methyl-1-propanol;
Described thickening material is polyacrylate, urethane, hydroxyethyl ether;
Described flow agent is urethane.
6. the interiro wall latex paint except formaldehyde according to claim 1, is characterized in that, powder stuffing be following in one or more: titanium dioxide, kaolin, coarse whiting.
7. the preparation method of the interiro wall latex paint except formaldehyde according to claim 1, is characterized in that, comprise the following steps:
Steps A: water is mixed with part of auxiliary, dispersion is stirred, and obtains the first raw material;
Step B: add powder stuffing, nano titanium oxide in described first raw material, dispersion is stirred, and obtains the second raw material;
Step C: add filming emulsion in described second raw material, dispersion is stirred, and obtains the 3rd raw material;
Step D: add all the other auxiliary agents in described 3rd raw material, dispersion is stirred, and obtains product.
8. the preparation method of the interiro wall latex paint except formaldehyde according to claim 7, is characterized in that, while adding powder stuffing, nano titanium oxide, also add nanometer silver, algae clay mineral matter in described first raw material.
9. the preparation method of the interiro wall latex paint except formaldehyde according to claim 7, it is characterized in that, described auxiliary agent comprises sanitas, wetting agent, dispersion agent, defoamer, frostproofer, film coalescence aid, pH adjusting agent, thickening material, flow agent, and the auxiliary agent added in step is sanitas, wetting agent, dispersion agent, the frostproofer of whole amount, and 0.4-0.6 times of defoamer to total amount, pH adjusting agent and thickening material.
10. the preparation method of the interiro wall latex paint except formaldehyde according to claim 7, is characterized in that, in described step C, the speed that dispersion is stirred is below 500r/min.
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CN105001732A (en) * | 2015-08-10 | 2015-10-28 | 苏州科淼新材料有限公司 | Emulsion paint and preparation method thereof |
CN105062242A (en) * | 2015-09-07 | 2015-11-18 | 无锡市嘉邦电力管道厂 | Formaldehyde-removing environment-friendly water-based paint and preparation method thereof |
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