CN105694815A - Anti-haze dust suppressant and preparation method thereof - Google Patents
Anti-haze dust suppressant and preparation method thereof Download PDFInfo
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- CN105694815A CN105694815A CN201610055465.6A CN201610055465A CN105694815A CN 105694815 A CN105694815 A CN 105694815A CN 201610055465 A CN201610055465 A CN 201610055465A CN 105694815 A CN105694815 A CN 105694815A
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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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Abstract
The invention provides an anti-haze dust suppressant and a preparation method thereof. The preparation method comprises the steps of mixing 11.3wt% to 11.4wt% of polyvinyl alcohol, water and 0.04wt% to 0.06wt% of aqueous antifoamer, then, carrying out stirring dispersion at the high speed of 800rpm to 2000rpm, adding 50wt% to 51wt% of acrylic emulsion into the obtained dispersion solution, sequentially adding 2wt% to 3wt% of anhydrous ethanol, 0.4wt% to 0.6wt% of isopropanol, 1wt% to 3wt% of propanetriol, 0.4wt% to 0.6wt% of surfactant, 0.04wt% to 0.06wt% of mildewproof antibacterial agent, 0.5wt% to 1.5wt% of starch and 0.4wt% to 0.6wt% of photo-inducer into the dispersion solution under the condition of carrying out stirring at the low speed of 50rpm to 500rpm, and carrying out uniform stirring completely, thereby obtaining the anti-haze dust suppressant. The anti-haze dust suppressant provided by the invention can be used after the anti-haze dust suppressant is diluted by water; the anti-haze dust suppressant can be dustproof in a long-acting manner, cannot cause pollution to water resources, soil and air and cannot cause damage to vegetation.
Description
Technical field
The invention belongs to environment-friendly materials field, particularly relate to a kind of anti-haze dust suppressant and preparation method thereof。
Background technology
Haze is common in city, flying dust excessive concentration in air cause。Mist is incorporated to haze and carries out early-warning and predicting together as diastrous weather phenomenon by the many areas of China。Haze is made up of mist and haze, and haze exists in a large number mainly due to particles such as the dust in air, sulphuric acid, nitric acid, organic hydrocarbon compounds and resulted in。
How at utmost to reduce the generation of dust in air, be one of important channel solving haze formation。
Summary of the invention
It is an object of the invention to provide a kind of anti-haze dust suppressant, this anti-haze dust suppressant is sprayed in the region of flying dust after diluting with water certain proportion, reaches to suppress the anti-haze purpose of flying dust。
The preparation method that it is still another object of the present invention to provide above-mentioned anti-haze dust suppressant。
The present invention is achieved in that a kind of anti-haze dust suppressant, and this anti-haze dust suppressant includes following each component by mass percentage:
Described acrylic emulsion film-forming temperature is-10 DEG C～20 DEG C。
Preferably, this anti-haze dust suppressant includes following each component by mass percentage:
Preferably, described acrylic emulsion includes acrylic acid, methacrylic acid, acrylic acid methyl ester., methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, 2-(Acryloyloxy)ethanol, hydroxyethyl methylacrylate, Hydroxypropyl acrylate, Hydroxypropyl methacrylate, vinylacetate, styrene, vinylsulfonate。
It is preferred in order to improve the storage time, it is preferable that, this anti-haze dust suppressant also includes following each component by mass percentage:
Antimildew and antibacterial agent 0.01～0.1%。
Preferably, the mass percent of described antimildew and antibacterial agent is 0.05%。
Stability for optimizing product, it is preferable that this anti-haze dust suppressant also includes following each component by mass percentage:
Starch 0.5～1.5%；
Photo-induced dose 0.4～0.6%。
Preferably, the mass percent of described starch is 1%, and the mass percent of described photo-induced dose is 0.5%。
The preparation method that invention further provides above-mentioned anti-haze dust suppressant, this preparation method comprises the following steps: with 800～2000rpm rotating speed dispersed with stirring after described polyvinyl alcohol, water and aqueous defoamer being mixed, acrylic emulsion is added in the dispersion liquid obtained, under 50～600rpm rotating speed stirring, it is sequentially added into other material and obtains described haze dust suppressant after stirring completely；
Other material described includes dehydrated alcohol, isopropanol, glycerol and surfactant。
Preferably, other material described also includes antimildew and antibacterial agent, or other material described also include starch, photo-induced dose。
The present invention overcomes the deficiencies in the prior art, a kind of anti-haze dust suppressant and preparation method thereof is provided, it is main body by satisfactory acrylic emulsion, at the auxiliary agent such as defoamer, surfactant, biocide mildewcide etc. that are aided with convenient production, construction application, with the composition such as polyvinyl alcohol etc. having certain water retaining function, through certain production technology preparation and obtain。More particularly, the anti-haze dust suppressant of the present invention is by by 11.3～11.4wt% polyvinyl alcohol, high speed (800～2000rpm) dispersed with stirring after water and the mixing of 0.04～0.06wt% aqueous defoamer, 50～51wt% acrylic emulsion is added in the dispersion liquid obtained, under low speed (50～500rpm) stirring, it is sequentially added into 2～3wt% dehydrated alcohol, 0.4～0.6wt% isopropanol, 1～3wt% glycerol, 0.4～0.6wt% surfactant, 0.04～0.06wt% antimildew and antibacterial agent, 0.5～1.5wt% starch, photo-induced dose of 0.4～0.6wt%, described haze dust suppressant is obtained after stirring completely。
In the present invention, the effective ingredient of described aqueous defoamer can be mineral oil, organosilicon, polymer type, it is preferred that for silicone based, preferred such as tego-825W；The effective ingredient of described surfactant can be nonionic surfactant, anionic surfactant, cationic surface active agent, organosilicon, Organic fluoride etc., it is preferred that for nonionic surfactant, preferred such as APG1214；Described antimildew and antibacterial agent is additional properties component, does not constitute the required composition of the present invention, it is preferable that such as card conifer；Described photo-induced dose is additional properties component, does not constitute the required composition of the present invention, it is preferable that such as Hinered phenols, such as BASF1010。
In the present invention anti-haze each component of dust suppressant, under the assistance of other components, acrylic emulsion, polyvinyl alcohol, glycerol self-crosslinking coordinate, and owing to glycerol can absorb the moisture content in air with 3 hydroxyls, make the mocromembrane of formation be always maintained at humidity and play better anti-dust effect。And isopropanol plays in system and helps film forming and prevent the effect of frost。Photo-induced dose, starch function in system be Degradation (degradation inhibitor film forming matter), and antimildew and antibacterial agent to act in system be prevent from going bad。
And in the present invention, the physico-chemical property of aforesaid propylene yogurt liquid has specific requirement, this acrylic emulsion is water-base resin emulsion, film-forming temperature is-10 DEG C～20 DEG C, particle diameter about 100～130nm and the outward appearance that is evenly distributed are good, low acid value 3.5～6.5mgKOH/g, and its proportion is about 1.07 and is a bit larger tham water, storage stability is superior, and permeability is good。The resistance to water of the dry coating of the anti-haze dust suppressant obtained by this acrylic emulsion is good, and tensile strength is excellent and water dispersible is fine。Therefore, the preparation method that invention further provides aforesaid propylene yogurt liquid, by 40～60 mass parts pure water and 2～9 mass parts being had the carboxylic acid monomer of carbon-to-carbon double bond polymerizable functionalities base, 40～50 mass parts methyl methacrylate MMA, or 40～60 mass parts pure water and 2～9 mass parts are had the carboxylic acid monomer of carbon-to-carbon double bond polymerizable functionalities base, 40～50 mass parts Butyl Acrylate Monomer mixing, adding inorganic base adjustment pH value in reaction in mixed liquor is 9.0～13.0, the peroxide initiator of the sulfate adding 0.2～1.0 mass parts carries out emulsion polymerization reaction, it is obtain after 7.0～9.5 that polyreaction end organic amine compound regulates reacting liquid pH value。
Compared to the shortcoming and defect of prior art, the method have the advantages that
(1) the anti-haze dust suppressant of the present invention is aqueous, can use after being watered dilution, and anti-haze dust suppressant be can do by myself rapid dispersion in water, it is not necessary to stirring, easy to use。
(2) the anti-haze dust suppressant of the present invention is sprayed on airborne dust area or coal dust stockyard, and moisture evaporation product selfing will be unified into the fixing surface dirt of a mocromembrane at body surface, and therefore wind will not blow afloat airborne dust；And the moisture that mocromembrane can absorb in air is constantly released, trifling it is constantly in wetting state, perspiring as people, plays efficient anti-dust effect。
(3) present invention anti-haze dust suppressant is the anti-haze dust suppressant of waterborne self-crosslinkable, and not therefore being afraid of in outdoor rains dissolves mocromembrane and lose dust-proof effect, can be long-acting dust-proof；
(4) the anti-haze dust suppressant of the present invention can absorb the moisture in air while releasing and draining out after forming mocromembrane, and mocromembrane keeps the long-time absorption to external airborne dust。
(5) being furnished with a certain amount of biodegradation and photo-induced degradation material in the present invention anti-haze dust suppressant component, degradable in 1 year in natural environment, thus without the source to water, soil, air pollutes, and vegetation is not resulted in injury。
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated。Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention。
In the examples below, the effective ingredient of aqueous defoamer can be mineral oil, organosilicon, polymer type, it is preferred that for silicone based, preferred such as tego-825W；The effective ingredient of described surfactant can be nonionic surfactant, anionic surfactant, cationic surface active agent, organosilicon, Organic fluoride etc., it is preferred that for nonionic surfactant, preferred such as APG1214；Described antimildew and antibacterial agent is additional properties component, does not constitute the required composition of the present invention, it is preferable that such as card conifer；Described photo-induced dose is additional properties component, does not constitute the required composition of the present invention, it is preferable that such as Hinered phenols, such as BASF1010。
Embodiment 1
With 800rpm rotating speed dispersed with stirring after 5 mass parts polyvinyl alcohol, 35.99 mass parts water and 0.01 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
55 mass parts methacrylic acids (acrylic emulsion) are added in the dispersion liquid obtained, under 600rpm rotating speed stirring, it is sequentially added into 1 mass parts dehydrated alcohol, 1 mass parts isopropanol, 1 mass parts glycerol, 1 mass of surface activating agent, after stirring completely, obtains described haze dust suppressant 1。
Embodiment 2
With 2000rpm rotating speed dispersed with stirring after 15 mass parts polyvinyl alcohol, 34.3 mass parts water and 0.5 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
35 mass parts 2-(Acryloyloxy)ethanols (acrylic emulsion) are added in the dispersion liquid obtained, under 50rpm rotating speed stirring, it is sequentially added into 5 mass parts dehydrated alcohol, 0.1 mass parts isopropanol, 10 mass parts glycerol, 0.1 mass of surface activating agent, after stirring completely, obtains described haze dust suppressant 2。
Embodiment 3
With 1500rpm rotating speed dispersed with stirring after 11.28 mass parts polyvinyl alcohol, 29.97 mass parts water and 0.05 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
50.7 mass parts vinylacetates (acrylic emulsion) are added in the dispersion liquid obtained, under 200rpm rotating speed stirring, it is sequentially added into 2.5 mass parts dehydrated alcohol, 0.5 mass parts isopropanol, 2 mass parts glycerol, 0.5 mass of surface activating agent, after stirring completely, obtains described haze dust suppressant 3。
Embodiment 4
With 800rpm rotating speed dispersed with stirring after 5 mass parts polyvinyl alcohol, 35.98 mass parts water and 0.01 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
55 mass parts methyl methacrylates (acrylic emulsion) are added in the dispersion liquid obtained, under 600rpm rotating speed stirring, it is sequentially added into 1 mass parts dehydrated alcohol, 1 mass parts isopropanol, 1 mass parts glycerol, 1 mass of surface activating agent, 0.01 mass parts antimildew and antibacterial agent, after stirring completely, obtains described haze dust suppressant 4。
Embodiment 5
With 2000rpm rotating speed dispersed with stirring after 15 mass parts polyvinyl alcohol, 34.2 mass parts water and 0.5 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
35 mass parts Hydroxypropyl methacrylates (acrylic emulsion) are added in the dispersion liquid obtained, under 50rpm rotating speed stirring, it is sequentially added into 5 mass parts dehydrated alcohol, 0.1 mass parts isopropanol, 10 mass parts glycerol, 0.1 mass of surface activating agent, 0.1 mass parts antimildew and antibacterial agent, after stirring completely, obtains described haze dust suppressant 5。
Embodiment 6
With 1500rpm rotating speed dispersed with stirring after 11.28 mass parts polyvinyl alcohol, 29.92 mass parts water and 0.05 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
50.7 mass parts hydroxyethyl methylacrylates (acrylic emulsion) are added in the dispersion liquid obtained, under 200rpm rotating speed stirring, it is sequentially added into 2.5 mass parts dehydrated alcohol, 0.5 mass parts isopropanol, 2 mass parts glycerol, 0.5 mass of surface activating agent, 0.05 mass parts antimildew and antibacterial agent, after stirring completely, obtains described haze dust suppressant 6。
Embodiment 7
With 800rpm rotating speed dispersed with stirring after 5 mass parts polyvinyl alcohol, 35.09 mass parts water and 0.01 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
55 mass parts acrylic acid methyl ester .s (acrylic emulsion) are added in the dispersion liquid obtained, under 600rpm rotating speed stirring, it is sequentially added into 1 mass parts dehydrated alcohol, 1 mass parts isopropanol, 1 mass parts glycerol, 1 mass of surface activating agent, 0.5 mass parts starch, photo-induced dose of 0.4 mass parts, after stirring completely, obtains described haze dust suppressant 7。
Embodiment 8
With 2000rpm rotating speed dispersed with stirring after 15 mass parts polyvinyl alcohol, 32.2 mass parts water and 0.5 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
35 mass parts ethyl methacrylate (acrylic emulsion) are added in the dispersion liquid obtained, under 50rpm rotating speed stirring, it is sequentially added into 5 mass parts dehydrated alcohol, 0.1 mass parts isopropanol, 10 mass parts glycerol, 0.1 mass of surface activating agent, 1.5 mass parts starch, photo-induced dose of 0.6 mass parts, after stirring completely, obtains described haze dust suppressant 8。
Embodiment 9
With 1500rpm rotating speed dispersed with stirring after 11.28 mass parts polyvinyl alcohol, 28.47 mass parts water and 0.05 mass parts aqueous defoamer being mixed, obtain dispersion liquid；
50.7 mass parts vinylacetates (acrylic emulsion) are added in the dispersion liquid obtained, under 200rpm rotating speed stirring, it is sequentially added into 2.5 mass parts dehydrated alcohol, 0.5 mass parts isopropanol, 2 mass parts glycerol, 0.5 mass of surface activating agent, 1 mass parts starch, photo-induced dose of 0.5 mass parts, after stirring completely, obtains described haze dust suppressant 9。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention。
Claims (10)
1. an anti-haze dust suppressant, it is characterised in that this anti-haze dust suppressant includes following each component by mass percentage:
Surplus is deionized water；
Described acrylic emulsion film-forming temperature is-10 DEG C～20 DEG C。
2. anti-haze dust suppressant as claimed in claim 1, it is characterised in that this anti-haze dust suppressant includes following each component by mass percentage:
Surplus is deionized water。
3. anti-haze dust suppressant as claimed in claim 2, it is characterized in that, described acrylic emulsion includes acrylic acid, methacrylic acid, acrylic acid methyl ester., methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, 2-(Acryloyloxy)ethanol, hydroxyethyl methylacrylate, Hydroxypropyl acrylate, Hydroxypropyl methacrylate, vinylacetate, styrene, vinylsulfonate。
4. anti-haze dust suppressant as claimed in claim 3, it is characterised in that this anti-haze dust suppressant also includes following each component by mass percentage:
Antimildew and antibacterial agent 0.01～0.1%。
5. anti-haze dust suppressant as claimed in claim 4, it is characterised in that the mass percent of described antimildew and antibacterial agent is 0.05%。
6. anti-haze dust suppressant as claimed in claim 3, it is characterised in that this anti-haze dust suppressant also includes following each component by mass percentage:
Starch 0.5～1.5%；
Photo-induced dose 0.4～0.6%。
7. anti-haze dust suppressant as claimed in claim 6, it is characterised in that the mass percent of described starch is 1%, and the mass percent of described photo-induced dose is 0.5%。
8. the anti-haze dust suppressant as described in claim 5 or 7, it is characterised in that described aqueous defoamer is mineral oil, organosilicon or polymer-like antifoams；
Described surfactant is nonionic surfactant, anionic surfactant, cationic surface active agent, organosilicon or Organic fluoride class activating agent。
9. the preparation method of an anti-haze dust suppressant, it is characterized in that, this preparation method comprises the following steps: with 800～2000rpm rotating speed dispersed with stirring after described polyvinyl alcohol, water and aqueous defoamer being mixed, acrylic emulsion is added in the dispersion liquid obtained, under 50～600rpm rotating speed stirring, it is sequentially added into other material and obtains described haze dust suppressant after stirring completely；
Other material described includes dehydrated alcohol, isopropanol, glycerol and surfactant。
10. the preparation method of anti-haze dust suppressant as claimed in claim 9, it is characterised in that other material described also includes antimildew and antibacterial agent, or other material described also include starch, photo-induced dose。
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| CN109320663A (en) * | 2018-10-31 | 2019-02-12 | 北京工业大学 | A kind of dust suppressant and preparation method thereof of road construction dust suppression |
| CN110305628A (en) * | 2019-06-03 | 2019-10-08 | 中交二航武汉港湾新材料有限公司 | Fugitive dust inhibiting agent and preparation method thereof |
| CN113943550A (en) * | 2021-10-11 | 2022-01-18 | 大同昌盛化工有限公司 | Dust suppressant and application thereof |
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Application publication date: 20160622 |