CN115595048A - Compound deodorant as well as preparation method and application thereof - Google Patents
Compound deodorant as well as preparation method and application thereof Download PDFInfo
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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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
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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Abstract
The invention belongs to the technical field of odor removing agents, and particularly relates to a compound odor removing agent and a preparation method and application thereof. The invention provides a compound deodorant, which comprises the following preparation raw materials in parts by mass: 50-110 parts of graphene, 20-60 parts of zinc oxide, 12-81 parts of zinc salt of organic acid, 10-13 parts of polyethylene terephthalate, 5-10 parts of antibacterial agent, 5-34 parts of cross-linking agent, 1-14 parts of 4-ethyl-4-soybean ethyl sulfate morpholine and 25-80 parts of water. The results of the examples show that the compound odor removing agent provided by the invention can effectively degrade various volatile organic compounds and has excellent antibacterial and mildew-proof functions.
Description
Technical Field
The invention belongs to the technical field of odor removing agents, and particularly relates to a compound odor removing agent and a preparation method and application thereof.
Background
The living standard of people is improved, the decoration of houses is increasingly high-grade, but the decoration material used for the closed decoration of living rooms contains a large amount of volatile organic compounds, such as formaldehyde, benzene, toluene, xylene or ammonia, and the like, the concentration of the volatile organic compounds is far higher than the international standard, and the volatile organic compounds have unacceptable odor.
At present, researchers develop various smell removers for removing organic compounds volatilized from furniture or floor boards, but the existing smell removers adopt a large amount of adsorbing materials, the degrading speed of harmful components of the adsorbing materials is slow, and the adsorbing materials cannot effectively clean polluted living environments.
Disclosure of Invention
The invention aims to provide a compound deodorant and a preparation method and application thereof, and the compound deodorant provided by the invention can be used for rapidly degrading various volatile organic compounds and removing air peculiar smell, and has long-acting antibacterial and mildew-proof effects.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention provides a compound deodorant, which comprises the following preparation raw materials in parts by mass: 50-110 parts of graphene, 20-60 parts of zinc oxide, 12-81 parts of zinc salt of organic acid, 10-13 parts of polyethylene terephthalate, 5-10 parts of antibacterial agent, 5-34 parts of cross-linking agent, 1-14 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 25-80 parts of water.
Preferably, the compound deodorant is prepared from the following raw materials in parts by mass: 70-90 parts of graphene, 35-50 parts of zinc oxide, 40-60 parts of organic acid zinc salt, 11-12 parts of polyethylene terephthalate, 6-9 parts of an antibacterial agent, 15-25 parts of a cross-linking agent, 5-12 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 40-60 parts of water.
Preferably, the antimicrobial agent includes two or more of a quaternary ammonium salt antimicrobial agent, a phenol antimicrobial agent, a guanidine antimicrobial agent, an ester antimicrobial agent, a pyridine antimicrobial agent, and an organic metal antimicrobial agent.
Preferably, the zinc salt of an organic acid comprises a zinc salt of a first organic acid and/or a zinc salt of a second organic acid; the first zinc organic acid salt is zinc ricinoleate; the second organic acid zinc salt comprises one or more of zinc acetate, zinc lactate, zinc citrate, zinc methionine, zinc lysine and zinc aspartate; the second organic acid zinc salt is not used alone.
Preferably, the particle size of the zinc oxide is 30 to 500nm.
The invention also provides a preparation method of the compound deodorant, which comprises the following steps:
graphene, zinc oxide, zinc salt of organic acid, polyethylene glycol terephthalate, an antibacterial agent, a cross-linking agent, 4-ethyl-4-soyabean ethyl sulfate morpholine and water are mixed for carrying out a composite reaction, and the composite deodorant is obtained.
Preferably, the complex reaction comprises a stirring stage and an ultrasonic stage which are sequentially carried out.
Preferably, the temperature of the stirring stage is 8-60 ℃, the rotating speed is 1000-8000 rpm, and the time is 10-35 min; the temperature of the ultrasonic stage is 10-50 ℃, the rotating speed is 1500-5000 rpm, and the time is 15-25 min.
The invention also provides an application of the compound deodorant in the scheme or the compound deodorant prepared by the preparation method in the scheme in removing volatile organic compounds.
Preferably, the application comprises the following steps: spraying the compound odor-removing agent on the surface of the object to be treated, and naturally drying.
The invention provides a compound deodorant, which comprises the following preparation raw materials in parts by mass: 50-110 parts of graphene, 20-60 parts of zinc oxide, 12-81 parts of zinc salt of organic acid, 10-13 parts of polyethylene terephthalate, 5-10 parts of antibacterial agent, 5-34 parts of cross-linking agent, 1-14 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 25-80 parts of water. The added zinc oxide can play a role in long-acting sterilization, antibiosis and decomposition of harmful gases, and can be used as a photocatalyst, so that formaldehyde is catalytically decomposed into carbon dioxide and water by the zinc oxide under the irradiation of ultraviolet light, and the pollution problem of the formaldehyde is fundamentally solved; the organic acid zinc salt can effectively sterilize, rapidly decompose harmful gases such as formaldehyde and the like in a room, adsorb tiny dust and remove peculiar smell, and greatly improve the indoor air quality; the thixotropic structure of the zinc ricinoleate can be bonded with molecules with peculiar smell such as ammonia and benzene, so that peculiar smell generated by the molecules with peculiar smell such as ammonia and benzene is removed; 4-ethyl-4-soyabean ethyl sulfate morpholine and the peculiar smell molecules are coordinated or neutralized, so that the concentration of the peculiar smell molecules in the vapor phase is reduced, and the peculiar smell removing effect is achieved; according to the invention, by adding the cross-linking agent, the graphene and the waterborne polyurethane can be cross-linked to obtain a polyurethane cross-linked network structure, and the cross-linked network structure contains disulfide bonds, intermolecular hydrogen bonds and other nano-scale organic zincate blocks, so that the effects of capturing, decomposing and sealing smell can be achieved; the graphene is used as a substrate material, and can realize physical and chemical adsorption (mainly comprising electrostatic action, pi-pi stacking, hydrophobic action, hydrogen bond and van der Waals force action) on harmful gases such as formaldehyde. The compound deodorant provided by the invention can quickly react with formaldehyde to generate a stable compound, is assisted with zinc oxide for removing aldehyde and organic acid zinc salt, achieves the effect of removing aldehyde for a long time, performs oxidative degradation on formaldehyde, benzene and volatile organic compounds which are retained in indoor air and attached to the surfaces of furniture and walls, and performs gas permeation oxidative degradation on volatile organic compound release sources which cannot be contacted with fixed furniture and the like.
The organic acid zinc salt is used as an antibacterial component, has good antibacterial and mildewproof performance, can induce and generate hydroxyl free radicals and Reactive Oxygen Species (ROS) with a reducing effect, and destroys the multiplication capacity of bacterial cells, thereby inhibiting or killing bacteria; in addition, the surface of the antibacterial agent after film forming is rich in zinc element, and can react with sulfydryl-SH, amino-NH, carboxyl-COOH and the like in bacteria, so that the structural composition of the bacteria is damaged, the growth and the reproduction of the bacteria are inhibited, and meanwhile, the antibacterial agent is dissociated from the inside of damaged bacterial cells in the sterilization process, so that the continuous antibacterial effect is generated, and the antibacterial durability is greatly improved; meanwhile, the organic acid zinc salt plays a role of a catalyst, so that the composite odor removing agent is cured to form a film at room temperature when being sprayed for use, the water washing resistance of the composite odor removing agent is improved, the loss of antibacterial ingredients is prevented, and the long-acting antibacterial performance is kept. The compound odor removing agent obtained through the compound reaction can further improve the odor removing effect of the compound odor removing agent and prolong the effective odor removing time.
The invention also provides a preparation method of the compound deodorant. The preparation method provided by the invention has the advantages of simple steps, low cost, environmental protection and large-scale industrial application prospect.
The invention also provides an application of the compound deodorant or the compound deodorant prepared by the preparation method in the scheme in removing volatile organic compounds. The compound deodorant disclosed by the invention is simple and convenient to use, only the surfaces of decoration materials and building material furniture substrates need to be sprayed, a uniform, flat and non-discoloring transparent film can be formed after drying, and formaldehyde harmful gases and volatile organic matters are sealed for oxidative degradation, so that the release of formaldehyde in the substrates is prevented from the source. The composite odor removing agent is dried to form a film after being sprayed, has strong adhesive force, strong tightness, good sealing effect, long duration, high efficiency, good weather resistance and stability, can effectively prevent formaldehyde from releasing, and is safe, environment-friendly and free of secondary pollution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a scanning electron microscope picture of a transparent film obtained after spraying the composite deodorant prepared in example 1 of the present invention.
Detailed Description
The invention provides a compound deodorant, which comprises the following raw materials in parts by mass: 50-110 parts of graphene, 20-60 parts of zinc oxide, 12-81 parts of zinc salt of organic acid, 10-13 parts of polyethylene terephthalate, 5-10 parts of antibacterial agent, 5-34 parts of cross-linking agent, 1-14 parts of 4-ethyl-4-soybean ethyl sulfate morpholine and 25-80 parts of water.
Unless otherwise specified, the starting materials for the preparation used in the present invention are commercially available.
The composite deodorant provided by the invention comprises 50-110 parts of graphene, preferably 60-100 parts of graphene, and more preferably 75-85 parts of graphene. In the invention, the graphene is used as a substrate material, can realize physical and chemical adsorption (mainly comprising electrostatic action, pi-pi stacking, hydrophobic action, hydrogen bond and van der Waals force action which are usually generated) on harmful gases such as formaldehyde and the like, purifies the space and provides a healthy living environment.
Based on the mass parts of the graphene, the compound deodorant provided by the invention comprises 20-60 parts of zinc oxide, preferably 30-50 parts, and more preferably 35-45 parts. In the present invention, the particle size of the zinc oxide is preferably 30 to 500nm, more preferably 100 to 300nm; the zinc oxide can be commercially available zinc oxide or can be prepared and synthesized, and the preparation method of the zinc oxide preferably comprises the following steps: mixing zinc acetate, water and ethanol, and adjusting the pH value of the obtained mixed solution to 7-9 to obtain a precursor solution; and aging the precursor solution, and then sequentially drying, grinding, washing, drying and calcining to obtain the zinc oxide. In the present invention, the mass ratio of the zinc acetate to ethanol is preferably 0.2; the volume ratio of ethanol to water is preferably 1; the mixing is preferably stirring; the mixing mode is preferably as follows: mixing water and ethanol to obtain an ethanol water solution, and then mixing the ethanol water solution with zinc acetate; the reagent used for adjusting the pH value of the obtained mixed solution is preferably acetic acid.
In the present invention, the aging is preferably carried out in air; the aging time is preferably 24 hours; the drying temperature is preferably 100 ℃, and the drying time is preferably 24h; in the invention, after drying, post-treatment is preferably carried out, and then the precursor obtained after post-treatment is calcined; the post-treatment preferably comprises: taking out the dried product, grinding the dried product into powder, and then sequentially washing and secondarily drying the powder; the washing is preferably performed by using distilled water, and the number of times of washing is preferably 3 or more than 3, and more preferably 3; the time of the secondary drying is preferably 12 hours, and the temperature is preferably 60 ℃; the calcination device is preferably a muffle furnace; the calcination temperature is preferably 500 ℃ and the time is preferably 2h, and the temperature rise rate for raising the temperature to the calcination temperature is preferably 5 ℃/min. The preparation method of the zinc oxide provided by the invention has simple steps and low cost, and is more beneficial to large-area application. In the invention, zinc oxide can be used as a photocatalyst to decompose harmful gas, so that formaldehyde is catalytically decomposed into carbon dioxide and water by the zinc oxide under the irradiation of ultraviolet light, thereby fundamentally solving the problem of formaldehyde pollution. The invention generates stable compound by the quick reaction of organic acid zinc salt and formaldehyde, and achieves the long-acting aldehyde removing effect by the zinc oxide and the organic acid zinc salt.
Based on the mass part of the graphene, the compound deodorant provided by the invention comprises 12-81 parts of zinc salt of organic acid, preferably 20-70 parts, and more preferably 40-50 parts. In the present invention, the zinc salt of an organic acid includes a zinc salt of a first organic acid and/or a zinc salt of a second organic acid; the first zinc organic acid salt is zinc ricinoleate; the second organic acid zinc salt comprises one or more of zinc acetate, zinc lactate, zinc citrate, zinc methionine, zinc lysine and zinc aspartate; the second organic acid zinc salt is not used alone. The compound odor removing agent takes the zinc salt of the organic acid as an antibacterial component, the zinc salt of the organic acid can quickly destroy cell structures of bacteria and mould, induce and generate hydroxyl free radicals and Reactive Oxygen Species (ROS) with a reducing effect, and destroy the multiplication capacity of bacterial cells, so that bacteria are inhibited or killed, the compound odor removing agent is endowed with good antibacterial and mildewproof performances, and zinc oxide is used as an auxiliary material, so that the long-acting antibacterial, bactericidal and mildewproof effects are achieved; in addition, the surface of the compound deodorant after film formation is rich in zinc elements, and the zinc elements can react with sulfydryl-SH, amino-NH, carboxyl-COOH and the like in bacteria to destroy the structure composition of the bacteria, so that the growth and the propagation of the bacteria are inhibited, and meanwhile, the zinc elements are dissociated from the inside of damaged bacterial cells in the sterilization process to generate a continuous antibacterial effect, so that the antibacterial durability is greatly improved. In addition, zinc in the organic acid zinc salt can also play a role of a drier, so that the compound deodorant provided by the invention can be solidified into a film at room temperature in the spraying use process, the water washing resistance of the compound deodorant is improved, the loss of antibacterial ingredients is prevented, and the long-acting antibacterial performance is kept. In the invention, the thixotropic structure of zinc ricinoleate in the zinc salt of organic acid can be bonded with molecules with peculiar smell such as ammonia, benzene and the like, thereby eliminating the peculiar smell molecules and having the peculiar smell removing effect.
Based on the mass parts of the graphene, the composite deodorant provided by the invention comprises 10-13 parts of polyethylene terephthalate, preferably 11-13 parts of polyethylene terephthalate, and more preferably 11-12 parts of polyethylene terephthalate; the molecular weight of the polyethylene terephthalate is preferably 16000 to 20000, and more preferably 17000 to 19000. The polyethylene terephthalate is a milky or pale yellow polymer with high crystallinity, has smooth and glossy surface, no toxicity, creep resistance, fatigue resistance, abrasion resistance, small abrasion, high hardness, good dimensional stability, electrical insulation performance, weather resistance and chemical resistance stability, small influence of temperature, low water absorption and maximum toughness in thermoplastic plastics. The polyethylene glycol terephthalate has low gas and water vapor permeability and has excellent gas, water, oil and odor resistance.
The composite deodorant provided by the invention comprises 5-10 parts of antibacterial agent, preferably 6-9 parts, and more preferably 7-8 parts by mass of graphene. In the present invention, the antimicrobial agent preferably includes one or more of a quaternary ammonium salt-based antimicrobial agent, a phenol-based antimicrobial agent, a guanidine-based antimicrobial agent, an ester-based antimicrobial agent, a pyridine-based antimicrobial agent, and an organic metal-based antimicrobial agent; the quaternary ammonium salt antibacterial agent is preferably epoxy quaternary ammonium salt; the phenolic antibacterial agent is preferably 2, 6-di-tert-butyl-4-methylphenol; the guanidine antibacterial agent is preferably polyhexamethylene guanidine hydrochloride; the ester-based antibacterial agent preferably comprises one or two of glycerol monoricinoleate and diglycerol ricinoleic acid monoester; the pyridine-based antibacterial agent is preferably sodium pyrithione; the organometallic antibacterial agent is preferably sodium dehydroacetate.
Based on the mass part of the graphene, the compound deodorant provided by the invention comprises 5-34 parts of a cross-linking agent, preferably 10-25 parts, and more preferably 15-20 parts. In the invention, the cross-linking agent preferably comprises one or more of waterborne polyurethane and dicyclohexylmethane diisocyanate; the waterborne polyurethane preferably comprises one or more of diisocyanate, polycaprolactone polyol and polybutylene adipate polyol; according to the invention, by adding the cross-linking agent, the graphene and the waterborne polyurethane can be cross-linked to obtain a polyurethane cross-linked network structure, and the cross-linked network structure contains disulfide bonds, intermolecular hydrogen bonds and other nanoscale organic zincate blocks, so that the effects of capturing, decomposing and sealing odor can be achieved.
Based on the mass parts of the graphene, the compound deodorant provided by the invention comprises 1-14 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine, preferably 3-11 parts, and more preferably 5-8 parts. In the invention, 4-ethyl-4-soyabean ethyl sulfate morpholine and peculiar smell molecules are coordinated or neutralized to reduce the concentration of the peculiar smell molecules in a vapor phase, thereby achieving the function of removing peculiar smell.
On the basis of the mass parts of the graphene, the composite deodorant provided by the invention comprises 25-80 parts of water, preferably 40-70 parts of water, and more preferably 50-60 parts of water.
The invention also provides a preparation method of the compound deodorant, which comprises the following steps:
graphene, zinc oxide, zinc salt of organic acid, polyethylene glycol terephthalate, an antibacterial agent, a cross-linking agent, 4-ethyl-4-soyabean ethyl sulfate morpholine and water are mixed for a composite reaction to obtain the composite deodorant.
In the present invention, the complex reaction preferably includes a stirring stage and an ultrasonic stage which are performed in sequence; the temperature of the stirring stage is preferably 8-60 ℃, more preferably 10-50 ℃, the rotating speed is preferably 1000-8000 rpm, more preferably 1200-5000 rpm, and the stirring time is preferably 10-35 min, more preferably 15min; the temperature of the ultrasonic stage is preferably 10-50 ℃, more preferably 15-30 ℃, the rotating speed is preferably 1500-5000 rpm, more preferably 1800-3000 rpm, and the ultrasonic time is preferably 15-25 min, more preferably 15min. According to the invention, through a composite reaction, all components are fully compounded to form a uniform dispersion liquid, and the obtained composite odor removing agent has uniform components and stable performance.
The invention also provides an application of the compound deodorant in the scheme or the compound deodorant prepared by the preparation method in the scheme in removing volatile organic compounds.
In the invention, the compound deodorant provided by the invention is preferably used for objects made of wood, paper, metal, plastic, rubber and fiber; the application preferably comprises the following steps: spraying the compound odor-removing agent on the surface of the object to be treated, and naturally drying. In the present invention, the object to be treated includes bond paper, wood, furniture or finishing materials. The invention has no special requirements on the spraying method, and the spraying operation commonly used in the field is adopted.
In order to further illustrate the invention, the following detailed description of the embodiments of the invention is given with reference to the accompanying drawings and examples, which are not to be construed as limiting the scope of the invention.
Example 1
Adding 3.1g of zinc acetate into a mixed solution of 20mL of distilled water and 20mL of ethanol, stirring at the rotating speed of 800rpm for 10min, and adjusting the pH value of the solution to 8 by using acetic acid to obtain a precursor solution; then placing the obtained precursor solution in air for 24 hours to age and form gel, and placing the obtained gel in a drying oven at 100 ℃ to dry for 24 hours; taking out after complete drying, grinding into powder of 200 meshes, repeatedly cleaning for 3 times by using distilled water, and drying the cleaned powder for 12 hours; finally, calcining the dried powder in a muffle furnace at 500 ℃ for 2h, and heating to the calcining temperature at a heating rate of 5 ℃/min to obtain zinc oxide;
weighing 66 parts of graphene, 40 parts of zinc oxide, 15 parts of zinc ricinoleate, 10 parts of polyethylene glycol terephthalate, 6 parts of 2, 6-di-tert-butyl-4-methylphenol, 21 parts of dicyclohexylmethane diisocyanate, 20 parts of zinc ricinoleate, 8 parts of 4-ethyl-4-soyaethyl sulfate morpholine and 56 parts of water, mixing the raw material components, stirring at the rotating speed of 5000rpm for 25min, and carrying out ultrasound at the rotating speed of 2500rpm for 20min to obtain the compound deodorant.
Example 2
The preparation method of zinc oxide is the same as that of example 1;
weighing 87 parts of graphene, 60 parts of zinc oxide, 21 parts of zinc ricinoleate and zinc acetate, 11 parts of polyethylene terephthalate, 8 parts of 2, 6-di-tert-butyl-4-methylphenol, 11 parts of dicyclohexylmethane diisocyanate, 3 parts of zinc ricinoleate, 2 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 70 parts of water, mixing the raw materials, stirring for 30min at the rotation speed of 4000rpm, and performing ultrasonic treatment for 25min at the rotation speed of 1000rpm to obtain the compound deodorant.
Example 3
The preparation of zinc oxide is the same as in example 1;
weighing 106 parts of graphene, 20 parts of zinc oxide, 52 parts of zinc ricinoleate, zinc acetate and zinc lactate, 13 parts of polyethylene terephthalate, 10 parts of 2, 6-di-tert-butyl-4-methylphenol, 6 parts of dicyclohexylmethane diisocyanate, 3 parts of zinc ricinoleate, 25 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 39 parts of water, mixing the raw material components, stirring at 5000rpm for 30min, and performing ultrasound at 3500rpm for 15min to obtain the compound deodorant.
Comparative example 1
The method comprises the steps of weighing 66 parts of graphene, 10 parts of polyethylene glycol terephthalate, 21 parts of dicyclohexylmethane diisocyanate, 20 parts of zinc ricinoleate, 8 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 56 parts of water without adding zinc oxide, zinc salts of organic acids and antibacterial agents, mixing the raw materials, stirring at 4500rpm for 25min, and carrying out ultrasonic treatment at 2500rpm for 25min to obtain the deodorant.
Comparative example 2
The preparation method of zinc oxide is the same as that of example 1;
the method comprises the steps of not adding zinc ricinoleate and 4-ethyl-4-soyabean ethyl sulfate morpholine, weighing 87 parts of graphene, 60 parts of zinc oxide, 21 parts of zinc acetate, 11 parts of polyethylene terephthalate, 8 parts of 2, 6-di-tert-butyl-4-methylphenol, 11 parts of dicyclohexylmethane diisocyanate and 70 parts of water, mixing the raw materials, stirring at 5000rpm for 20min, and carrying out ultrasonic treatment at 2000rpm for 20min to obtain the deodorant.
Comparative example 3
The preparation method of zinc oxide is the same as that of example 1;
weighing 20 parts of zinc oxide, 52 parts of zinc ricinoleate, zinc acetate and zinc lactate, 13 parts of polyethylene terephthalate, 10 parts of 2, 6-di-tert-butyl-4-methylphenol, 6 parts of dicyclohexylmethane diisocyanate, 3 parts of zinc ricinoleate, 25 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 39 parts of water without using a graphene adsorbent, then mixing the raw material components, stirring at the rotating speed of 3000rpm for 20min, and carrying out ultrasonic treatment at the rotating speed of 2000rpm for 15min to obtain the deodorant.
The composite deodorant of examples 1 to 3 and the deodorant of comparative examples 1 to 3 were subjected to formaldehyde removal rate detection using a formaldehyde measuring instrument model 4160-2 (Interscan corporation, usa) and a gas chromatograph model 6890 (Agilent corporation, usa), and the detection method was: detecting the concentration of formaldehyde in the collected sample according to GB/T18883-2002 (indoor air quality Standard), testing in a simulated test chamber (the volume is 2 mL), putting 0.05g of formaldehyde (analytically pure, not less than 99%) into the test chamber, volatilizing for 12h, and sampling the initial concentration of formaldehyde (C) in the test chamber 0 ) Spraying 2g of environment-friendly finishing deodorant into the test cabin, and respectively running the fans for 3 hours when the fans are electrified to sample and test the concentration of formaldehyde in the cabin (C) 1 ) Formaldehyde removal rate (%) = (C) 1 -C 0 )/C 1 X 100, results are shown in Table 1.
The composite deodorant of examples 1-3 and the deodorant of comparative examples 1-3 were tested for their antibacterial and antifungal properties, and the test method was: according to the requirements of an HG/T3950-2007 antibacterial coating 6.6 antibacterial durability test: the samples were placed under UV lamps of the indicated wavelength and wattage, respectively, for 100h, with the results shown in Table 1.
TABLE 1 results of performance test of examples 1 to 3 and comparative examples 1 to 3
| anti-Escherichia coli Properties (%) | Resistance to mold | Formaldehyde purification Rate (%) | |
| Example 1 | 99.8 | Level 0 | 88.6 |
| Example 2 | 99.9 | Level 0 | 86.9 |
| Example 3 | 99.6 | Grade 0 | 89.1 |
| Comparative example 1 | 88.6 | Level 1 | 85.2 |
| Comparative example 2 | 99.5 | Level 0 | 79.6 |
| Comparative example 3 | 99.4 | Level 0 | 83.9 |
As can be seen from Table 1, compared with a comparative example, the compound deodorant prepared in the embodiment of the invention has better antibacterial and antifungal properties, and has higher purification rate for harmful gases such as formaldehyde. Therefore, the components of the compound deodorant provided by the invention are matched with each other, and the compound deodorant has the effects of resisting mildew and bacteria and removing harmful gases.
Fig. 1 is a transparent film obtained after spraying the compound deodorant prepared in example 1 of the present invention. As can be seen from figure 1, the compound deodorant provided by the invention is dried into a film when in use, has strong adhesive force, strong leakproofness and good sealing effect, and can form a uniform, flat and non-discoloring transparent film, so that the release of formaldehyde in a base material is prevented from the source.
According to the embodiment, the composite deodorant provided by the invention forms a uniform, flat and non-discoloring transparent film, seals formaldehyde harmful gas and volatile organic compounds for oxidative degradation, can rapidly degrade various volatile organic compounds, has high purification rate, removes air odor, and has long-acting antibacterial and mildew-proof effects.
Although the above embodiments have been described in detail, they are only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and all of the embodiments belong to the protection scope of the present invention.
Claims (10)
1. A compound deodorant is prepared from the following raw materials in parts by mass: 50-110 parts of graphene, 20-60 parts of zinc oxide, 12-81 parts of zinc salt of organic acid, 10-13 parts of polyethylene terephthalate, 5-10 parts of antibacterial agent, 5-34 parts of cross-linking agent, 1-14 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 25-80 parts of water.
2. The compound deodorant according to claim 1, wherein the preparation raw materials comprise, in parts by mass: 70-90 parts of graphene, 35-50 parts of zinc oxide, 40-60 parts of organic acid zinc salt, 11-12 parts of polyethylene terephthalate, 6-9 parts of an antibacterial agent, 15-25 parts of a cross-linking agent, 5-12 parts of 4-ethyl-4-soyabean ethyl sulfate morpholine and 40-60 parts of water.
3. The compound deodorant according to claim 1, wherein the antibacterial agent comprises two or more of a quaternary ammonium salt antibacterial agent, a phenol antibacterial agent, a guanidine antibacterial agent, an ester antibacterial agent, a pyridine antibacterial agent, and an organic metal antibacterial agent.
4. The compound deodorant according to claim 1, wherein the zinc salt of an organic acid comprises a zinc salt of a first organic acid and/or a zinc salt of a second organic acid; the first zinc salt of organic acid is zinc ricinoleate; the second organic acid zinc salt comprises one or more of zinc acetate, zinc lactate, zinc citrate, zinc methionine, zinc lysine and zinc aspartate; the second organic acid zinc salt is not used alone.
5. The compound deodorant according to claim 1, wherein the zinc oxide has a particle size of 30 to 500nm.
6. The preparation method of the compound deodorant of any one of claims 1 to 5, comprising the steps of:
graphene, zinc oxide, zinc salt of organic acid, polyethylene glycol terephthalate, an antibacterial agent, a cross-linking agent, 4-ethyl-4-soyabean ethyl sulfate morpholine and water are mixed for carrying out a composite reaction, and the composite deodorant is obtained.
7. The method according to claim 6, wherein the complex reaction comprises a stirring stage and an ultrasonic stage which are performed in sequence.
8. The preparation method according to claim 6, wherein the temperature of the stirring stage is 8-60 ℃, the rotation speed is 1000-8000 rpm, and the time is 10-35 min; the temperature of the ultrasonic stage is 10-50 ℃, the rotating speed is 1500-5000 rpm, and the time is 15-25 min.
9. Use of the compound deodorant according to any one of claims 1 to 5 or the compound deodorant obtained by the preparation method according to any one of claims 6 to 8 for removing volatile organic compounds.
10. Use according to claim 9, characterized in that it comprises the following steps: spraying the composite odor removing agent on the surface of the object to be treated, and naturally drying.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397059A (en) * | 2023-05-10 | 2023-07-07 | 顾家家居股份有限公司 | Anti-odor composition for retanning of cowhide |
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| CN104789028A (en) * | 2015-04-27 | 2015-07-22 | 武汉科技大学 | Nano graphene fragment modified corrosion-resistant coating and preparation method thereof |
| CN110420554A (en) * | 2019-07-09 | 2019-11-08 | 佛山市顺德区金磊环保科技有限公司 | With except formaldehyde and the cleaning filtration screen of air of antibacterial functions and preparation method thereof |
| CN114854161A (en) * | 2022-05-30 | 2022-08-05 | 中国科学院长春应用化学研究所 | Antibacterial and peculiar smell-removing super absorbent resin and preparation method thereof |
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| CN104789028A (en) * | 2015-04-27 | 2015-07-22 | 武汉科技大学 | Nano graphene fragment modified corrosion-resistant coating and preparation method thereof |
| CN110420554A (en) * | 2019-07-09 | 2019-11-08 | 佛山市顺德区金磊环保科技有限公司 | With except formaldehyde and the cleaning filtration screen of air of antibacterial functions and preparation method thereof |
| CN114854161A (en) * | 2022-05-30 | 2022-08-05 | 中国科学院长春应用化学研究所 | Antibacterial and peculiar smell-removing super absorbent resin and preparation method thereof |
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| CN116397059A (en) * | 2023-05-10 | 2023-07-07 | 顾家家居股份有限公司 | Anti-odor composition for retanning of cowhide |
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