CN107841224A - A kind of antibiotic emulsion paint and preparation method thereof - Google Patents
A kind of antibiotic emulsion paint and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of antibiotic emulsion paint and preparation method thereof, is related to emulsion paint technical field, includes the raw material of following part meter：65 ~ 85 parts of 55 ~ 65 parts of acrylic emulsion, 35 ~ 45 parts of epoxy resin, 30 ~ 35 parts of granules of polystyrene, modified 25 ~ 30 parts of bamboo pulp fiber, 20 ~ 25 parts of antibacterial pulvis, 15 ~ 20 parts of component of nano-particle cladding, 15 ~ 20 parts of brightener, 10 ~ 15 parts of modified alta-mud, 10 ~ 15 parts of auxiliary agent and water.The present invention is combined stabilization with wall, and workability is preferable, has preferable antibacterial bacteriostatic effect.
Description
Technical Field
The invention relates to the technical field of emulsion paints, in particular to an antibacterial emulsion paint and a preparation method thereof.
Background
The latex paint has the characteristics of convenient construction and various colors, and is mainly used for domestic interior wall decoration. However, the traditional latex paint has no antibacterial effect, and is easy to be stained with bacteria when people accidentally contact with a wall body because the bacteria are adsorbed on the wall body in places such as hospitals, children rooms and the like, thereby causing harm to the body.
Disclosure of Invention
The invention aims to provide the antibacterial emulsion paint and the preparation method thereof, which are stably combined with a wall body, have better construction performance and better antibacterial and bacteriostatic effects.
The invention provides the following technical scheme: an antibacterial emulsion paint comprises the following raw materials in parts by weight: 55-65 parts of acrylic emulsion, 35-45 parts of epoxy resin, 30-35 parts of polystyrene particles, 25-30 parts of modified bamboo pulp fibers, 20-25 parts of antibacterial powder, 15-20 parts of nanoparticle coating components, 15-20 parts of brightening agents, 10-15 parts of modified bentonite, 10-15 parts of auxiliaries and 65-85 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 14-16 parts of nano silver oxide, 8-10 parts of nano zinc oxide and 4-6 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 10-12 parts of water-soluble nano-grade silica sol, 4-6 parts of mosquito repellent liquid, 4-6 parts of nano titanium dioxide, 2-3 parts of nano silicon dioxide, 5-10 parts of borax and 5-10 parts of water;
the brightener comprises the following raw materials in parts by weight: 4-6 parts of fatty acid, 4-6 parts of paraffin, 2-3 parts of oleate and 2-3 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2-3 parts of thickening agent, 2-3 parts of antifreezing agent, 2-3 parts of curing agent, 0.6-0.8 part of dispersing agent, 0.6-0.8 part of defoaming agent and 0.4-0.6 part of water-retaining agent.
Preferably, the feed comprises the following raw materials in parts by weight: 60 parts of acrylic emulsion, 40 parts of epoxy resin, 32.5 parts of polystyrene particles, 27.5 parts of modified bamboo pulp fibers, 22.5 parts of antibacterial powder, 17.5 parts of nano particle coating components, 17.5 parts of brightening agent, 12.5 parts of modified bentonite, 12.5 parts of auxiliary agent and 75 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 15 parts of nano silver oxide, 9 parts of nano zinc oxide and 5 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 11 parts of water-soluble nano-silica sol, 5 parts of mosquito repellent liquid, 5 parts of nano titanium dioxide, 2.5 parts of nano silicon dioxide, 7.5 parts of borax and 7.5 parts of water;
the brightener comprises the following raw materials in parts by weight: 5 parts of fatty acid, 5 parts of paraffin, 2.5 parts of oleate and 2.5 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2.5 parts of thickening agent, 2.5 parts of antifreezing agent, 2.5 parts of curing agent, 0.7 part of dispersing agent, 0.7 part of defoaming agent and 0.5 part of water-retaining agent.
Preferably, the acrylic emulsion is any one of pure acrylic emulsion, silicone acrylic emulsion and styrene-acrylic emulsion.
Preferably, the preparation method of the polystyrene particles comprises the following steps:
soaking the waste polystyrene plastics in 0.3-0.5% lime water at 45-55 ℃ for 30-40 min, stirring at the rotating speed of 200-300 r/min for 10-15 min, and washing with clear water to obtain pretreated polystyrene plastics;
and drying and crushing the polystyrene plastic at the temperature of 30-40 ℃ to obtain polystyrene particles with the particle size of 0.02-0.04 cm.
Preferably, the mosquito repellent comprises the following raw materials in parts by weight: 1-2 parts of eucalyptus oil, 1-2 parts of chinaberry oil, 0.4-0.6 part of argy wormwood oil, 0.4-0.6 part of lemon eucalyptus oil and 0.2-0.4 part of citronellal oil.
Preferably, the paraffin is one or more of liquid paraffin, emulsified polyethylene wax and emulsified paraffin, the fatty acid is linoleic acid or oleic acid, the oleate is sodium oleate or potassium oleate, and the dispersion adsorbent comprises the following raw materials in parts by weight: 1-2 parts of zeolite powder, 0.6-0.8 part of silica fume and 0.4-0.6 part of fumed silica.
Preferably, the preparation method of the modified bentonite comprises the following steps: weighing bentonite, putting the bentonite into water which is 5-8 times of the bentonite in weight, uniformly stirring to obtain slurry, adding sodium hexametaphosphate and sodium hydroxide into the slurry, heating the slurry in a water bath at 55-65 ℃ for 40-45 min, standing, taking upper-layer slurry, centrifugally separating, drying, grinding to 200-400 meshes, and thus obtaining the modified bentonite.
Preferably, the modified bamboo pulp fiber comprises the following raw materials in parts by weight:
14-16 parts of bamboo pulp fiber, 4-6 parts of chitosan, 2-3 parts of sericin, 2-3 parts of hydrogen peroxide solution and 10-12 parts of sodium periodate solution;
the preparation method of the modified bamboo pulp fiber comprises the following steps: weighing bamboo pulp fibers, adding the bamboo pulp fibers into a sodium periodate solution, stirring for 30-40 min at the rotating speed of 300-400 r/min, then adding an acid solution to adjust to be neutral, sequentially adding chitosan, sericin and a hydrogen peroxide solution, carrying out ultrasonic treatment for 30-40 min, filtering to obtain filter residues, putting the filter residues into an oven, and drying to obtain the bamboo pulp fibers.
Preferably, the antifreezing agent is calcium chloride or calcium carbonate, the curing agent is phenol aldehyde amine, the dispersing agent is an ammonium polycarboxylate dispersant, the defoaming agent is mineral oil or silicone defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, and the thickening agent comprises the following raw materials in parts by weight: 0.2-0.3 part of polyether polyol, 0.2-0.3 part of toluene, 0.2-0.3 part of diisocyanate, 0.1-0.2 part of dibutyltin dilaurate, 0.1-0.2 part of n-hexane, 0.06-0.08 part of methyl isobutyl ketone, 0.06-0.08 part of nonylphenol polyoxyethylene ether, 0.04-0.06 part of polyethylene glycol and 0.02-0.04 part of triethanolamine.
The invention provides a preparation method of an antibacterial emulsion paint, which comprises the following steps:
(1) preparing antibacterial powder
Weighing nano silver oxide, nano zinc oxide and hollow glass microspheres according to the proportion, fully and uniformly mixing, firing for 2-3 h at the high temperature of 400-500 ℃, cooling, and sieving with a 200-300-mesh sieve to obtain the antibacterial powder for later use;
(2) preparing the brightener
Weighing fatty acid and paraffin, uniformly mixing to obtain a mixture A, putting a dispersion adsorbent into a stirrer, adding the mixture A into the stirrer in a spraying mode under the stirring condition, uniformly mixing with the dispersion adsorbent for 20-30 min, then adding oleate into the stirrer, and continuously stirring for 10-15 min to obtain the brightener;
(3) preparing the nanoparticle coating component
Adding water and borax into a reactor, heating while stirring at the temperature of 70-80 ℃, stirring for 20-25 min, adding a mosquito repellent liquid, nano titanium dioxide, nano silicon dioxide and water-soluble nano silica sol, continuously stirring for 40-60 min to obtain a suspension, and drying the suspension in a drying furnace to obtain the nano particle coating component for later use;
(4) and preparing the finished product
And (3) mixing the antibacterial powder obtained in the step (1), the brightener obtained in the step (2) and the nano particle coating component obtained in the step (3), sequentially adding the rest raw materials according to the proportion, stirring at the rotating speed of 300-400 r/min for 20-50 min, and uniformly dispersing to obtain the antibacterial emulsion paint.
The invention has the beneficial effects that: combine stably with the wall body, the workability is better, has better antibiotic antibacterial effect, specifically as follows:
(1) the modified bamboo pulp fiber is added into the raw materials, chitosan, sericin, hydrogen peroxide solution and sodium periodate solution are adopted to modify the bamboo pulp fiber, and the surface of the wall body coated by the latex paint is aseptic, so that the wall body has the antibacterial and bacteriostatic effects;
(2) the water solubility and the molecular bonding force of borax are utilized to coat the surfaces of nano particles (nano titanium dioxide and nano silicon dioxide), and a nano particle coating component is obtained by matching water-soluble nano silica sol and mosquito repellent liquid, so that the nano particles are in a stable state, the particles are not easy to increase due to secondary agglomeration, the effect is reduced, the using amount of the nano particles in the whole is relatively low, and the production cost is remarkably reduced compared with that of the traditional nano particles;
(3) the nano titanium dioxide added in the nano particle coating component can oxidize and decompose various organic compounds and partial inorganic matters, can destroy cell membranes of bacteria and proteins of solidified viruses, can kill the bacteria and decompose organic pollutants, decomposes the organic pollutants into pollution-free water and carbon dioxide, and has the killing rate of over 98 percent on black variant spores of bacillus subtilis, pseudomonas aeruginosa, escherichia coli, staphylococcus aureus, salmonella, mycobacterium dentis and aspergillus; the nano particle coating component can sterilize, prevent fouling, deodorize and self-clean and has strong photooxidation reduction function, so that the nano particle coating component can effectively degrade toxic and harmful gases and can effectively kill various bacteria;
(4) the mosquito repellent liquid is embedded in the nanoparticle coating component and slowly released, so that the effect of repelling mosquitoes for a long time can be achieved, and the mosquito repellent liquid is nonpolar and is an oil substance to form an embedded structure, so that the mosquito repellent liquid cannot volatilize along with a solvent in the drying process of a paint film;
(5) the thickening agent is added into the raw materials, and the hydrophilic group and the hydrophobic group are introduced into the molecular structure of the thickening agent, so that when the concentration of an aqueous solution is increased, micelles are easily formed and form a net structure with latex particles, the viscosity of the latex paint is increased, the precipitation degree in a latex paint product is obviously reduced, and the using effect of the latex paint is improved;
(6) the brightening agent is added into the raw materials, the liquid fatty acid and the paraffin with higher brightness are used as the brightening agent, the dispersing adsorbent with a special structure is used as a carrier, and the vaporific fatty acid oil drops and the paraffin oil drops are uniformly adsorbed in the preparation process to form powdery small particles with oil drops, so that a brightening layer can be formed on the surface of a wall body, and the brightness and the waterproof performance of the emulsion paint are improved.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
Example 1
An antibacterial emulsion paint comprises the following raw materials in parts by weight: 55 parts of acrylic emulsion, 35 parts of epoxy resin, 30 parts of polystyrene particles, 25 parts of modified bamboo pulp fibers, 20 parts of antibacterial powder, 15 parts of nano particle coating components, 15 parts of brightening agent, 10 parts of modified bentonite, 10 parts of auxiliary agent and 65 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 14 parts of nano silver oxide, 8 parts of nano zinc oxide and 4 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 10 parts of water-soluble nano-silica sol, 4 parts of mosquito repellent liquid, 4 parts of nano titanium dioxide, 2 parts of nano silicon dioxide, 5 parts of borax and 5 parts of water;
the brightener comprises the following raw materials in parts by weight: 4 parts of fatty acid, 4 parts of paraffin, 2 parts of oleate and 2 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2 parts of thickening agent, 2 parts of antifreezing agent, 2 parts of curing agent, 0.6 part of dispersing agent, 0.6 part of defoaming agent and 0.4 part of water-retaining agent.
Wherein,
the acrylic emulsion is pure acrylic emulsion.
Wherein,
the preparation method of the polystyrene particles comprises the following steps:
soaking the waste polystyrene plastics in 0.3% lime water at 45 ℃ for 30min, stirring at the rotating speed of 200r/min for 10min, and cleaning with clear water to obtain pretreated polystyrene plastics;
and drying and crushing the polystyrene plastic at 30 ℃ to obtain polystyrene particles with the particle size of 0.02 cm.
Wherein,
the mosquito repellent comprises the following raw materials in parts by weight: 1 part of eucalyptus oil, 1 part of chinaberry oil, 0.4 part of argy wormwood oil, 0.4 part of lemon eucalyptus oil and 0.2 part of citronellal oil.
The paraffin is liquid paraffin, the fatty acid is linoleic acid, the oleate is sodium oleate, and the dispersion adsorbent comprises the following raw materials in parts by weight: 1 part of zeolite powder, 0.6 part of silica fume and 0.4 part of fumed silica.
The preparation method of the modified bentonite comprises the following steps: weighing bentonite, putting the bentonite into 5 times of water by weight, uniformly stirring to obtain slurry, adding sodium hexametaphosphate and sodium hydroxide into the slurry, carrying out water bath heating for 40min at the temperature of 55 ℃, standing, taking the upper layer slurry, carrying out centrifugal separation, drying, grinding and crushing to 200 meshes to obtain the modified bentonite.
Wherein,
the modified bamboo pulp fiber comprises the following raw materials in parts by weight:
14 parts of bamboo pulp fiber, 4 parts of chitosan, 2 parts of sericin, 2 parts of hydrogen peroxide solution and 10 parts of sodium periodate solution;
the preparation method of the modified bamboo pulp fiber comprises the following steps: weighing bamboo pulp fibers, adding the bamboo pulp fibers into a sodium periodate solution, stirring for 30min at the rotating speed of 300r/min, then adding an acid solution to adjust to be neutral, sequentially adding chitosan, sericin and a hydrogen peroxide solution, carrying out ultrasonic treatment for 30min, filtering to obtain filter residues, putting the filter residues into an oven, and drying to obtain the bamboo pulp fibers.
Wherein,
the antifreezing agent is calcium chloride, the curing agent is phenol aldehyde amine, the dispersing agent is an ammonium polycarboxylate dispersing agent, the defoaming agent is a mineral oil defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, and the thickening agent comprises the following raw materials in parts by weight: 0.2 part of polyether polyol, 0.2 part of toluene, 0.2 part of diisocyanate, 0.1 part of dibutyltin dilaurate, 0.1 part of n-hexane, 0.06 part of methyl isobutyl ketone, 0.06 part of nonylphenol polyoxyethylene ether, 0.04 part of polyethylene glycol and 0.02 part of triethanolamine.
The embodiment 1 provides a preparation method of an antibacterial emulsion paint, which includes the following steps:
(1) preparing antibacterial powder
Weighing nano silver oxide, nano zinc oxide and hollow glass microspheres according to the proportion, fully and uniformly mixing, firing for 2 hours at the high temperature of 400 ℃, cooling, and then sieving with a 200-mesh sieve to obtain the antibacterial powder for later use;
(2) preparing the brightener
Weighing fatty acid and paraffin, uniformly mixing to obtain a mixture A, putting a dispersion adsorbent into a stirrer, adding the mixture A into the stirrer in a spraying mode under the stirring condition, uniformly mixing with the dispersion adsorbent for 20min, then adding oleate into the stirrer, and continuously stirring for 10min to obtain the brightener;
(3) preparing the nanoparticle coating component
Adding water and borax into a reactor, heating while stirring at 70 ℃, adding a mosquito repellent liquid, nano titanium dioxide, nano silicon dioxide and water-soluble nano silica sol after stirring for 20min, continuously stirring for 40min to obtain a suspension, and drying the suspension in a drying furnace to obtain the nanoparticle coating component for later use;
(4) and preparing the finished product
And (3) mixing the antibacterial powder obtained in the step (1), the brightener obtained in the step (2) and the nano particle coating component obtained in the step (3), sequentially adding the rest raw materials according to the proportion, stirring at the rotating speed of 300r/min for 20min, and uniformly dispersing to obtain the antibacterial emulsion paint.
Example 2
An antibacterial emulsion paint comprises the following raw materials in parts by weight: 65 parts of acrylic emulsion, 45 parts of epoxy resin, 35 parts of polystyrene particles, 30 parts of modified bamboo pulp fibers, 25 parts of antibacterial powder, 20 parts of nano particle coating components, 20 parts of brightening agent, 15 parts of modified bentonite, 15 parts of auxiliary agent and 85 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 16 parts of nano silver oxide, 10 parts of nano zinc oxide and 6 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 12 parts of water-soluble nano-silica sol, 6 parts of mosquito repellent liquid, 6 parts of nano titanium dioxide, 3 parts of nano silicon dioxide, 10 parts of borax and 10 parts of water;
the brightener comprises the following raw materials in parts by weight: 6 parts of fatty acid, 6 parts of paraffin, 3 parts of oleate and 3 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 3 parts of thickening agent, 3 parts of antifreezing agent, 3 parts of curing agent, 0.8 part of dispersing agent, 0.8 part of defoaming agent and 0.6 part of water-retaining agent.
Wherein,
the acrylic emulsion is silicone-acrylic emulsion.
Wherein,
the preparation method of the polystyrene particles comprises the following steps:
soaking the waste polystyrene plastics in lime water with the temperature of 55 ℃ and the concentration of 0.5% for 40min, then stirring for 15min at the rotating speed of 300r/min, and cleaning with clear water to obtain pretreated polystyrene plastics;
and drying and crushing the polystyrene plastic at 40 ℃ to obtain polystyrene particles with the particle size of 0.04 cm.
Wherein,
the mosquito repellent comprises the following raw materials in parts by weight: 2 parts of eucalyptus oil, 2 parts of chinaberry oil, 0.6 part of argy wormwood oil, 0.6 part of lemon eucalyptus oil and 0.4 part of citronellal oil.
The paraffin is emulsified polyethylene wax, the fatty acid is oleic acid, the oleate is potassium oleate, and the dispersion adsorbent comprises the following raw materials in parts by weight: 2 portions of zeolite powder, 0.8 portion of silica fume and 0.6 portion of fumed silica.
Wherein,
the preparation method of the modified bentonite comprises the following steps: weighing bentonite, putting the bentonite into 8 times of water by weight, uniformly stirring to obtain slurry, adding sodium hexametaphosphate and sodium hydroxide into the slurry, carrying out water bath heating for 45min at the temperature of 65 ℃, standing, taking the upper layer slurry, carrying out centrifugal separation, drying, grinding and crushing to 400 meshes to obtain the modified bentonite.
Wherein,
the modified bamboo pulp fiber comprises the following raw materials in parts by weight:
16 parts of bamboo pulp fiber, 6 parts of chitosan, 3 parts of sericin, 3 parts of hydrogen peroxide solution and 12 parts of sodium periodate solution;
the preparation method of the modified bamboo pulp fiber comprises the following steps: weighing bamboo pulp fibers, adding the bamboo pulp fibers into a sodium periodate solution, stirring for 40min at the rotating speed of 400r/min, adding an acid solution to adjust to be neutral, sequentially adding chitosan, sericin and a hydrogen peroxide solution, carrying out ultrasonic treatment for 40min, filtering to obtain filter residues, putting the filter residues into an oven, and drying to obtain the bamboo pulp fibers.
Wherein,
the antifreezing agent is calcium carbonate, the curing agent is phenolic amine, the dispersing agent is an ammonium polycarboxylate dispersing agent, the defoaming agent is an organic silicon defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, and the thickening agent comprises the following raw materials in parts by weight: 0.3 part of polyether polyol, 0.3 part of toluene, 0.3 part of diisocyanate, 0.2 part of dibutyltin dilaurate, 0.2 part of n-hexane, 0.08 part of methyl isobutyl ketone, 0.08 part of nonylphenol polyoxyethylene ether, 0.06 part of polyethylene glycol and 0.04 part of triethanolamine.
The embodiment 2 provides a preparation method of an antibacterial emulsion paint, which includes the following steps:
(1) preparing antibacterial powder
Weighing nano silver oxide, nano zinc oxide and hollow glass microspheres according to the proportion, fully and uniformly mixing, firing for 3 hours at the high temperature of 500 ℃, cooling, and then sieving with a 300-mesh sieve to obtain the antibacterial powder for later use;
(2) preparing the brightener
Weighing fatty acid and paraffin, uniformly mixing to obtain a mixture A, putting a dispersion adsorbent into a stirrer, adding the mixture A into the stirrer in a spraying mode under the stirring condition, uniformly mixing with the dispersion adsorbent for 30min, then adding oleate into the stirrer, and continuously stirring for 15min to obtain the brightener;
(3) preparing the nanoparticle coating component
Adding water and borax into a reactor, heating while stirring at 80 ℃, stirring for 25min, adding mosquito repellent liquid, nano titanium dioxide, nano silicon dioxide and water-soluble nano silica sol, continuously stirring for 60min to obtain a suspension, and drying the suspension in a drying furnace to obtain the nanoparticle coating component for later use;
(4) and preparing the finished product
And (3) mixing the antibacterial powder obtained in the step (1), the brightener obtained in the step (2) and the nano particle coating component obtained in the step (3), sequentially adding the rest raw materials according to the proportion, stirring for 50min at the rotating speed of 400r/min, and uniformly dispersing to obtain the antibacterial emulsion paint.
Example 3
An antibacterial emulsion paint comprises the following raw materials in parts by weight:
60 parts of acrylic emulsion, 40 parts of epoxy resin, 32.5 parts of polystyrene particles, 27.5 parts of modified bamboo pulp fibers, 22.5 parts of antibacterial powder, 17.5 parts of nano particle coating components, 17.5 parts of brightening agent, 12.5 parts of modified bentonite, 12.5 parts of auxiliary agent and 75 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 15 parts of nano silver oxide, 9 parts of nano zinc oxide and 5 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 11 parts of water-soluble nano-silica sol, 5 parts of mosquito repellent liquid, 5 parts of nano titanium dioxide, 2.5 parts of nano silicon dioxide, 7.5 parts of borax and 7.5 parts of water;
the brightener comprises the following raw materials in parts by weight: 5 parts of fatty acid, 5 parts of paraffin, 2.5 parts of oleate and 2.5 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2.5 parts of thickening agent, 2.5 parts of antifreezing agent, 2.5 parts of curing agent, 0.7 part of dispersing agent, 0.7 part of defoaming agent and 0.5 part of water-retaining agent.
Wherein,
the acrylic emulsion is silicone-acrylic emulsion.
Wherein,
the preparation method of the polystyrene particles comprises the following steps:
soaking the waste polystyrene plastics in 0.4% lime water at 50 ℃ for 35min, stirring at the rotating speed of 250r/min for 12min, and cleaning with clear water to obtain pretreated polystyrene plastics;
and drying and crushing the polystyrene plastic at 35 ℃ to obtain polystyrene particles with the particle size of 0.03 cm.
Wherein,
the mosquito repellent comprises the following raw materials in parts by weight: 1.5 parts of eucalyptus oil, 1.5 parts of chinaberry oil, 0.5 part of argy wormwood oil, 0.5 part of lemon eucalyptus oil and 0.3 part of citronellal oil.
Wherein,
the paraffin is emulsified paraffin, the fatty acid is linoleic acid, the oleate is potassium oleate, and the dispersing adsorbent comprises the following raw materials in parts by weight: 1.5 parts of zeolite powder, 0.7 part of silica fume and 0.5 part of fumed silica.
Wherein,
the preparation method of the modified bentonite comprises the following steps: weighing bentonite, putting the bentonite into 6 times of water by weight, uniformly stirring to obtain slurry, adding sodium hexametaphosphate and sodium hydroxide into the slurry, heating in a water bath at 60 ℃ for 43min, standing, taking the upper layer slurry, centrifugally separating, drying, grinding and crushing to 300 meshes to obtain the modified bentonite.
Wherein,
the modified bamboo pulp fiber comprises the following raw materials in parts by weight:
15 parts of bamboo pulp fiber, 5 parts of chitosan, 2.5 parts of sericin, 2.5 parts of hydrogen peroxide solution and 11 parts of sodium periodate solution;
the preparation method of the modified bamboo pulp fiber comprises the following steps: weighing bamboo pulp fibers, adding the bamboo pulp fibers into a sodium periodate solution, stirring for 35min at the rotating speed of 350r/min, adding an acid solution to adjust to be neutral, sequentially adding chitosan, sericin and a hydrogen peroxide solution, carrying out ultrasonic treatment for 35min, filtering to obtain filter residues, putting the filter residues into an oven, and drying to obtain the bamboo pulp fibers.
Wherein,
the antifreezing agent is calcium carbonate, the curing agent is phenolic amine, the dispersing agent is an ammonium polycarboxylate dispersing agent, the defoaming agent is an organic silicon defoaming agent, the water-retaining agent is high-viscosity methyl hydroxypropyl cellulose ether, and the thickening agent comprises the following raw materials in parts by weight: 0.25 part of polyether polyol, 0.25 part of toluene, 0.25 part of diisocyanate, 0.15 part of dibutyltin dilaurate, 0.15 part of n-hexane, 0.07 part of methyl isobutyl ketone, 0.07 part of nonylphenol polyoxyethylene ether, 0.05 part of polyethylene glycol and 0.03 part of triethanolamine.
The embodiment 3 provides a preparation method of an antibacterial emulsion paint, which includes the following steps:
(1) preparing antibacterial powder
Weighing nano silver oxide, nano zinc oxide and hollow glass microspheres according to the proportion, fully and uniformly mixing, firing at the high temperature of 450 ℃ for 2.5h, cooling, and sieving with a 250-mesh sieve to obtain the antibacterial powder for later use;
(2) preparing the brightener
Weighing fatty acid and paraffin, uniformly mixing to obtain a mixture A, putting a dispersion adsorbent into a stirrer, adding the mixture A into the stirrer in a spraying mode under the stirring condition, uniformly mixing with the dispersion adsorbent for 25min, then adding oleate into the stirrer, and continuously stirring for 13min to obtain the brightener;
(3) preparing the nanoparticle coating component
Adding water and borax into a reactor, heating while stirring at 75 ℃, adding a mosquito repellent liquid, nano titanium dioxide, nano silicon dioxide and water-soluble nano silica sol after stirring for 23min, continuously stirring for 50min to obtain a suspension, and drying the suspension in a drying furnace to obtain the nanoparticle coating component for later use;
(4) and preparing the finished product
And (3) mixing the antibacterial powder obtained in the step (1), the brightener obtained in the step (2) and the nano particle coating component obtained in the step (3), sequentially adding the rest raw materials according to the proportion, stirring for 40min at the rotating speed of 350r/min, and uniformly dispersing to obtain the antibacterial emulsion paint.
While the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes can be made and equivalents can be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The antibacterial emulsion paint is characterized by comprising the following raw materials in parts by weight: 55-65 parts of acrylic emulsion, 35-45 parts of epoxy resin, 30-35 parts of polystyrene particles, 25-30 parts of modified bamboo pulp fibers, 20-25 parts of antibacterial powder, 15-20 parts of nanoparticle coating components, 15-20 parts of brightening agents, 10-15 parts of modified bentonite, 10-15 parts of auxiliaries and 65-85 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 14-16 parts of nano silver oxide, 8-10 parts of nano zinc oxide and 4-6 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 10-12 parts of water-soluble nano-grade silica sol, 4-6 parts of mosquito repellent liquid, 4-6 parts of nano titanium dioxide, 2-3 parts of nano silicon dioxide, 5-10 parts of borax and 5-10 parts of water;
the brightener comprises the following raw materials in parts by weight: 4-6 parts of fatty acid, 4-6 parts of paraffin, 2-3 parts of oleate and 2-3 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2-3 parts of thickening agent, 2-3 parts of antifreezing agent, 2-3 parts of curing agent, 0.6-0.8 part of dispersing agent, 0.6-0.8 part of defoaming agent and 0.4-0.6 part of water-retaining agent.
2. The antibacterial emulsion paint of claim 1, which is characterized by comprising the following raw materials in parts by weight: 60 parts of acrylic emulsion, 40 parts of epoxy resin, 32.5 parts of polystyrene particles, 27.5 parts of modified bamboo pulp fibers, 22.5 parts of antibacterial powder, 17.5 parts of nano particle coating components, 17.5 parts of brightening agent, 12.5 parts of modified bentonite, 12.5 parts of auxiliary agent and 75 parts of water;
the antibacterial powder comprises the following raw materials in parts by weight: 15 parts of nano silver oxide, 9 parts of nano zinc oxide and 5 parts of hollow glass beads;
the nano particle coating component comprises the following raw materials in parts by weight: 11 parts of water-soluble nano-silica sol, 5 parts of mosquito repellent liquid, 5 parts of nano titanium dioxide, 2.5 parts of nano silicon dioxide, 7.5 parts of borax and 7.5 parts of water;
the brightener comprises the following raw materials in parts by weight: 5 parts of fatty acid, 5 parts of paraffin, 2.5 parts of oleate and 2.5 parts of dispersing adsorbent;
the auxiliary agent comprises the following raw materials in parts by weight: 2.5 parts of thickening agent, 2.5 parts of antifreezing agent, 2.5 parts of curing agent, 0.7 part of dispersing agent, 0.7 part of defoaming agent and 0.5 part of water-retaining agent.
3. The antibacterial emulsion paint of claim 1, wherein the acrylic emulsion is any one of pure acrylic emulsion, silicone acrylic emulsion and styrene acrylic emulsion.
4. The antibacterial emulsion paint of claim 1, wherein the polystyrene particles are prepared by the following steps:
soaking the waste polystyrene plastics in 0.3-0.5% lime water at 45-55 ℃ for 30-40 min, stirring at the rotating speed of 200-300 r/min for 10-15 min, and washing with clear water to obtain pretreated polystyrene plastics;
and drying and crushing the polystyrene plastic at the temperature of 30-40 ℃ to obtain polystyrene particles with the particle size of 0.02-0.04 cm.
5. The antibacterial emulsion paint of claim 1, wherein the mosquito repellent comprises the following raw materials in parts by weight: 1-2 parts of eucalyptus oil, 1-2 parts of chinaberry oil, 0.4-0.6 part of argy wormwood oil, 0.4-0.6 part of lemon eucalyptus oil and 0.2-0.4 part of citronellal oil.
6. The antibacterial emulsion paint according to claim 1, wherein the paraffin is one or more of liquid paraffin, emulsified polyethylene wax and emulsified paraffin, the fatty acid is linoleic acid or oleic acid, the oleate is sodium oleate or potassium oleate, and the dispersion adsorbent comprises the following raw materials in parts by weight: 1-2 parts of zeolite powder, 0.6-0.8 part of silica fume and 0.4-0.6 part of fumed silica.
7. The antibacterial emulsion paint of claim 1, wherein the modified bentonite is prepared by the following steps: weighing bentonite, putting the bentonite into water which is 5-8 times of the bentonite in weight, uniformly stirring to obtain slurry, adding sodium hexametaphosphate and sodium hydroxide into the slurry, heating the slurry in a water bath at 55-65 ℃ for 40-45 min, standing, taking upper-layer slurry, centrifugally separating, drying, grinding to 200-400 meshes, and thus obtaining the modified bentonite.
8. The antibacterial emulsion paint of claim 1, wherein the modified bamboo pulp fiber comprises the following raw materials in parts by weight:
14-16 parts of bamboo pulp fiber, 4-6 parts of chitosan, 2-3 parts of sericin, 2-3 parts of hydrogen peroxide solution and 10-12 parts of sodium periodate solution;
the preparation method of the modified bamboo pulp fiber comprises the following steps: weighing bamboo pulp fibers, adding the bamboo pulp fibers into a sodium periodate solution, stirring for 30-40 min at the rotating speed of 300-400 r/min, then adding an acid solution to adjust to be neutral, sequentially adding chitosan, sericin and a hydrogen peroxide solution, carrying out ultrasonic treatment for 30-40 min, filtering to obtain filter residues, putting the filter residues into an oven, and drying to obtain the bamboo pulp fibers.
9. The antibacterial emulsion paint of claim 1, wherein the anti-freezing agent is calcium chloride or calcium carbonate, the curing agent is phenalkamine, the dispersant is an ammonium polycarboxylate dispersant, the defoamer is mineral oil or silicone defoamer, the water retention agent is high-viscosity methyl hydroxypropyl cellulose ether, and the thickener comprises the following raw materials in parts by weight: 0.2-0.3 part of polyether polyol, 0.2-0.3 part of toluene, 0.2-0.3 part of diisocyanate, 0.1-0.2 part of dibutyltin dilaurate, 0.1-0.2 part of n-hexane, 0.06-0.08 part of methyl isobutyl ketone, 0.06-0.08 part of nonylphenol polyoxyethylene ether, 0.04-0.06 part of polyethylene glycol and 0.02-0.04 part of triethanolamine.
10. The preparation method of the antibacterial emulsion paint according to any one of claims 1 to 9, characterized by comprising the following steps:
(1) preparing antibacterial powder
Weighing nano silver oxide, nano zinc oxide and hollow glass microspheres according to the proportion, fully and uniformly mixing, firing for 2-3 h at the high temperature of 400-500 ℃, cooling, and sieving with a 200-300-mesh sieve to obtain the antibacterial powder for later use;
(2) preparing the brightener
Weighing fatty acid and paraffin, uniformly mixing to obtain a mixture A, putting a dispersion adsorbent into a stirrer, adding the mixture A into the stirrer in a spraying mode under the stirring condition, uniformly mixing with the dispersion adsorbent for 20-30 min, then adding oleate into the stirrer, and continuously stirring for 10-15 min to obtain the brightener;
(3) preparing the nanoparticle coating component
Adding water and borax into a reactor, heating while stirring at the temperature of 70-80 ℃, stirring for 20-25 min, adding a mosquito repellent liquid, nano titanium dioxide, nano silicon dioxide and water-soluble nano silica sol, continuously stirring for 40-60 min to obtain a suspension, and drying the suspension in a drying furnace to obtain the nano particle coating component for later use;
(4) and preparing the finished product
And (3) mixing the antibacterial powder obtained in the step (1), the brightener obtained in the step (2) and the nano particle coating component obtained in the step (3), sequentially adding the rest raw materials according to the proportion, stirring at the rotating speed of 300-400 r/min for 20-50 min, and uniformly dispersing to obtain the antibacterial emulsion paint.
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| CN108727916A (en) * | 2018-06-19 | 2018-11-02 | 佛山市高明区首邦化工有限公司 | A kind of antibiotic emulsion paint |
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| CN109485777A (en) * | 2018-09-29 | 2019-03-19 | 广东银洋环保新材料有限公司 | A kind of modified acrylate emulsion and the preparation method and application thereof |
| CN110541977A (en) * | 2019-09-13 | 2019-12-06 | 石柳青 | Antibacterial PVC pipeline for acidic wastewater |
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| CN113998966A (en) * | 2020-07-27 | 2022-02-01 | 傅吾录 | Efficient multifunctional environment-friendly zeolite wall material and preparation method thereof |
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