CN111040494A - Special water-based environment-friendly wood paint for children furniture and preparation method thereof - Google Patents
Special water-based environment-friendly wood paint for children furniture and preparation method thereof Download PDFInfo
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- 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
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Abstract
The invention provides a special water-based environment-friendly wood paint for children furniture and a preparation method thereof, which relate to the technical field of water-based paints and comprise the following components in parts by weight: 30-40 parts of aqueous polyurethane emulsion, 10-20 parts of cationic silicone-acrylic emulsion, 15-20 parts of hydroxyl acrylic resin, 2-4 parts of ethylene glycol monobutyl ether, 5-10 parts of diatomite-loaded nano-silver antibacterial agent, 4-8 parts of graphene, 20-30 parts of nano silicon dioxide, 15-20 parts of nano aluminum oxide, 1-3 parts of succinate sulfonated hydrogenated castor oil, 1-5 parts of propylene glycol, 0.1-0.5 part of WT-204 aqueous flatting agent, 0.5-1 part of WT-202 thickening agent, 0.2-0.4 part of TC-311 coupling agent, 0.3-0.6 part of BKY-051 defoaming agent and 30-40 parts of deionized water, the waterborne polyurethane emulsion has good performances, is superior to the commercial waterborne environment-friendly wood paint, and has the content of volatile organic matters and free formaldehyde far lower than the national standard, green and environment-friendly, and has good market application prospect.
Description
Technical Field
The invention relates to the technical field of water-based paint, in particular to water-based environment-friendly wood paint special for children furniture and a preparation method thereof.
Background
The room is not only of interest to children, but they spend most of their time going to bed after school. Study, amusement, rest, the room is just like the exclusive world of children. The furniture uses real wood boards and environment-friendly water-based paint on the surface, and after detection, the content of various pollutants meets the national standard and is beneficial to the healthy growth of children.
Compared with the solvent-based wood lacquer for common furniture, the environment-friendly water-based wood lacquer is mainly used for children furniture, the solvent-based wood lacquer contains a large amount of VOCS (volatile organic Compounds), and certain threats are caused to the environment and human bodies, the water-based wood lacquer serving as a surface protection product for wooden furniture has gradually become the key point of research of a plurality of enterprises, the wood lacquer endows the wooden furniture material with aesthetic characteristics required by color, luster and the like, and can resist damages caused by humidity, bacterial breeding, biodegradation, chemical damage and the like, but the water-based wood lacquer applied to the children furniture at present has many defects in various aspects such as fullness, hardness, medium resistance, wear resistance, initial strength, initial viscosity resistance, antibacterial property, aging resistance and the like.
The comparison document 1, chinese patent CN 106700689a, discloses a special water-borne wood white paint for children furniture and a preparation method thereof, wherein the special water-borne wood white paint for children furniture mainly comprises water-borne polyurethane resin, water-borne propionic acid resin, titanium dioxide, a cross-linking agent, a defoaming agent, a dispersing agent, isopropanolamine, a thickening agent, a leveling agent and deionized water. The formula of the special water-based wood white paint for children furniture is reasonable and scientific in matching, all components cooperate with each other to play a role in enhancing the adhesive force, tinting strength, yellowing resistance, flexibility and corrosion resistance of the water-based wood white paint, the special water-based wood white paint for children with the paint printed has the effects of transparent and bright surface, luster and no fading and shedding after long-term use, and the special water-based wood white paint for children furniture has low contents of volatile organic compounds and heavy metals, is a healthy and environment-friendly water-based wood white paint for children furniture, and meets the requirements of modern people.
Reference 2 chinese patent CN 106243966 a discloses a composite multifunctional two-component waterborne wood white finish, which comprises a component a, a component b and water, wherein the mass ratio of the component a to the component b to the water is 100: 20-25: 10-20, wherein the component A is prepared from the following raw materials in percentage by mass: the coating comprises water-based hydroxyl acrylic resin, a composite modified self-crosslinking acrylic polymer, water-based titanium white slurry, a water-based flatting agent, a defoaming agent, a wetting agent, a thickening agent, a dispersing agent, a flatting agent, a mildew-proof bactericide and the balance of water; the component B is prepared from the following raw materials in percentage by mass: the composite multifunctional two-component water-based woodware white finish has the advantages of good antibacterial, aldehyde-removing and stain-resisting effects, environmental protection, good hardness, high fullness and moderate cost.
The comparison document 1 shows that the water-based wood white paint special for children furniture does not have an antibacterial and mildewproof effect, and the comparison document 2 shows that the composite multifunctional two-component water-based wood white paint uses organic matters: octyl isothiazolinone is easily degraded so that the mold-proof effect is decreased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the special water-based environment-friendly wood paint for children furniture and the preparation method thereof.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
30-40 parts of aqueous polyurethane emulsion, 10-20 parts of cationic silicone-acrylate emulsion, 15-20 parts of hydroxy acrylic resin, 2-4 parts of ethylene glycol monobutyl ether, 5-10 parts of diatomite-loaded nano-silver antibacterial agent, 4-8 parts of graphene, 20-30 parts of nano silicon dioxide, 15-20 parts of nano aluminum oxide, 1-3 parts of succinate sulfonated hydrogenated castor oil, 1-5 parts of propylene glycol, 0.1-0.5 part of WT-204 aqueous leveling agent, 0.5-1 part of WT-202 thickening agent, 0.2-0.4 part of TC-311 coupling agent, 0.3-0.6 part of BKY-051 defoaming agent and 30-40 parts of deionized water.
Further, the paint comprises the following components in parts by weight:
33 parts of aqueous polyurethane emulsion, 18 parts of cationic silicone-acrylate emulsion, 17 parts of hydroxy acrylic resin, 2.5 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 5 parts of graphene, 22 parts of nano-silica, 18 parts of nano-alumina, 1.5 parts of succinate sulfonated hydrogenated castor oil, 1 part of propylene glycol, 0.2 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.2 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
Further, the paint comprises the following components in parts by weight:
40 parts of aqueous polyurethane emulsion, 12 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 3 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 4 parts of graphene, 25 parts of nano-silica, 18 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 4 parts of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.4 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
Further, the preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
(1) adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at 800r/min for 10-15min at 600-;
(2) adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the residual pre-polymerization emulsion A, stirring at the room temperature of 100 DEG for 5-10min at 150r/min, then mixing the pre-polymerization emulsion B with azobisisobutyramidine dihydrochloride, slowly adding dropwise, reacting at the temperature of 30-35 ℃ for 5-10h, then heating to 70-75 ℃ for reacting for 40-50min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
Further, the preparation method of the diatomite-loaded nano-silver antibacterial agent comprises the following steps:
soaking diatomite in sulfuric acid with a certain concentration for 20-25h, washing with water to neutrality, drying at 60-70 ℃, adding the diatomite into a silver nitrate solution, heating to reflux to fully load silver ions, filtering after 4-6h, vacuum drying at 60-70 ℃ for 5-8h, transferring to a carbon tube furnace, heating to 350-360 ℃ under the protection of nitrogen, roasting for 3-5h, and heating to 400-420 ℃ for two times, and roasting for 1 h.
Further, the concentration of the sulfuric acid is 7-10%.
Further, the molar concentration of the silver nitrate solution is 5-8%.
Further, the primary heating rate is 50-60 ℃/min.
Further, the secondary heating rate is 5-15 ℃/min.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
(III) advantageous effects
The invention provides a special water-based environment-friendly wood paint for children furniture and a preparation method thereof, and the paint has the following beneficial effects:
compared with solvent type wood lacquer, the water-based polyurethane emulsion and the hydroxyl acrylic resin have the advantages of safety, non-inflammability, no toxicity, small environmental pollution and the like, the hydroxyl acrylic resin has the advantages of quick drying, good gloss, good adhesive force, good hardness and good weather resistance, but the lowest film forming temperature is high, the drying speed is low, the water resistance and the solvent resistance are poor, a chain segment structure consisting of a hard chain segment and a soft chain segment is arranged in a polyurethane molecule, the unique hard and soft performances of the polyurethane molecule are determined, the polyurethane molecule and the soft chain segment are compounded for use, the cationic silicone-acrylate emulsion and the hydroxyl acrylic resin are organically combined to play respective advantages by relying on the entanglement effect and the hydrogen bond effect between molecular chains of the polyurethane emulsion and the soft chain segment, when the cationic silicone-acrylate emulsion is added in blending, a network structure interpenetrating with the water-based polyurethane emulsion and the hydroxyl acrylic resin can, the nano silver antibacterial agent is loaded in the porous structure of the diatomite, microbes such as bacteria and the like can contact and react with silver ions to cause common components of the microbes to be damaged or generate functional disorder, when trace silver ions reach a microbial cell membrane, the microbial cell membrane has negative charges, the silver ions are firmly adsorbed by coulomb attraction, penetrate through cell walls to enter cells and react with SH groups to solidify proteins, destroy the activity of cell synthetases, and die due to the loss of division and proliferation capacity of the cells, so that the sterilization and mildew prevention effects are achieved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
33 parts of aqueous polyurethane emulsion, 18 parts of cationic silicone-acrylate emulsion, 17 parts of hydroxy acrylic resin, 2.5 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 5 parts of graphene, 22 parts of nano-silica, 18 parts of nano-alumina, 1.5 parts of succinate sulfonated hydrogenated castor oil, 1 part of propylene glycol, 0.2 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.2 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 700r/min for 12min, adding styrene and ethyl methacrylate, stirring at a high speed of 800r/min for 12min to obtain a pre-polymerization emulsion A, separating 85% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 900r/min for 8min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 120r/min for 6min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 32 ℃ for 8h, heating to 70 ℃ for 40min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 8% sulfuric acid for 24h, washing with water to neutrality, drying at 60 ℃, adding into 6% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 5h, vacuum drying at 60 ℃ for 7h, transferring to a carbon tube furnace, heating to 350 ℃ at a speed of 50 ℃/min under the protection of nitrogen, roasting for 5h, and heating to 400 ℃ at a speed of 12 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 2:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
40 parts of aqueous polyurethane emulsion, 12 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 3 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 4 parts of graphene, 25 parts of nano-silica, 18 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 4 parts of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.4 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 600r/min for 10min, adding styrene and ethyl methacrylate, stirring at a high speed of 650r/min for 14min to obtain a pre-polymerization emulsion A, separating 90% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 850r/min for 7min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 140r/min for 6min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 32 ℃ for 8h, heating to 70 ℃ for reacting for 45min, naturally cooling and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 7% sulfuric acid for 24h, washing with water to neutrality, drying at 60 ℃, adding into 8% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 6h, vacuum drying at 60 ℃ for 6h, transferring to a carbon tube furnace under the protection of nitrogen, heating to 350 ℃ at a speed of 50 ℃/min, roasting for 3.5h, and heating to 400 ℃ at a speed of 10 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 3:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
30 parts of aqueous polyurethane emulsion, 15 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 3.5 parts of ethylene glycol monobutyl ether, 8 parts of diatomite-loaded nano-silver antibacterial agent, 5 parts of graphene, 20 parts of nano-silica, 16 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 2 parts of propylene glycol, 0.2 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.2 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 600r/min for 12min, adding styrene and ethyl methacrylate, stirring at a high speed of 700r/min for 12min to obtain a pre-polymerization emulsion A, separating 85% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 800r/min for 10min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 140r/min for 8min, mixing the pre-polymerization emulsion B and azobisisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 33 ℃ for 8h, heating to 72 ℃ for reacting for 40min, naturally cooling and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 7% sulfuric acid for 25h, washing with water to neutrality, drying at 60 ℃, adding into 6% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 4h, vacuum drying at 60 ℃ for 6h, transferring to a carbon tube furnace under the protection of nitrogen, heating to 360 ℃ at a speed of 50 ℃/min, roasting for 4h, and heating to 410 ℃ at a speed of 10 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 4:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
30 parts of aqueous polyurethane emulsion, 20 parts of cationic silicone-acrylate emulsion, 15 parts of hydroxy acrylic resin, 4 parts of ethylene glycol monobutyl ether, 5 parts of diatomite-loaded nano-silver antibacterial agent, 8 parts of graphene, 20 parts of nano-silica, 20 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 5 parts of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 1 part of WT-202 thickening agent, 0.2 part of TC-311 coupling agent, 0.6 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 800r/min for 10min, adding styrene and ethyl methacrylate, stirring at a high speed of 800r/min for 10min to obtain a pre-polymerization emulsion A, separating 90% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 800r/min for 10min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 100r/min for 10min, mixing the pre-polymerization emulsion B and azobisisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 30 ℃ for 10h, heating to 70 ℃ for 50min, naturally cooling and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 7% sulfuric acid for 25h, washing with water to neutrality, drying at 60 ℃, adding into 8% silver nitrate solution, heating to reflux to fully load silver ions, filtering after 4h, vacuum drying at 70 ℃ for 5h, transferring to a carbon tube furnace, heating to 350 ℃ at a speed of 60 ℃/min under the protection of nitrogen, roasting for 5h, and heating to 420 ℃ at a speed of 5 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 5:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
40 parts of aqueous polyurethane emulsion, 10 parts of cationic silicone-acrylate emulsion, 20 parts of hydroxy acrylic resin, 2 parts of ethylene glycol monobutyl ether, 10 parts of diatomite-loaded nano-silver antibacterial agent, 4 parts of graphene, 30 parts of nano-silica, 15 parts of nano-alumina, 3 parts of succinate sulfonated hydrogenated castor oil, 1 part of propylene glycol, 0.5 part of WT-204 aqueous leveling agent, 0.5 part of WT-202 thickening agent, 0.4 part of TC-311 coupling agent, 0.3 part of BKY-051 defoaming agent and 40 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 600r/min for 15min, adding styrene and ethyl methacrylate, stirring at a high speed of 600r/min for 15min to obtain a pre-polymerization emulsion A, separating 80% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 1000r/min for 5min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 150r/min for 5min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 35 ℃ for 5h, heating to 75 ℃ for 40min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 10% sulfuric acid for 20h, washing with water to neutrality, drying at 70 ℃, adding into 5% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 6h, vacuum drying at 60 ℃ for 8h, transferring to a carbon tube furnace under the protection of nitrogen, heating to 360 ℃ at a speed of 50 ℃/min, roasting for 3h, and heating to 400 ℃ at a speed of 15 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 6:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
30 parts of aqueous polyurethane emulsion, 20 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 3 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 8 parts of graphene, 25 parts of nano-silica, 20 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 2 parts of propylene glycol, 0.2 part of WT-204 aqueous leveling agent, 1 part of WT-202 thickening agent, 0.3 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 700r/min for 12min, adding styrene and ethyl methacrylate, stirring at a high speed of 700r/min for 15min to obtain a pre-polymerization emulsion A, separating 80% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 900r/min for 6min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 120r/min for 8min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 30 ℃ for 8h, heating to 72 ℃ for 40min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 10% sulfuric acid for 24h, washing with water to neutrality, drying at 60 ℃, adding into 8% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 5h, vacuum drying at 60 ℃ for 5h, transferring to a carbon tube furnace under the protection of nitrogen, heating to 355 ℃ at a speed of 50 ℃/min, roasting for 3h, and heating to 400 ℃ at a speed of 10 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 7:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
40 parts of aqueous polyurethane emulsion, 15 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 4 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 8 parts of graphene, 22 parts of nano-silica, 18 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 1 part of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 0.5 part of WT-202 thickening agent, 0.25 part of TC-311 coupling agent, 0.4 part of BKY-051 defoaming agent and 30 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 600r/min for 10min, adding styrene and ethyl methacrylate, stirring at a high speed of 600r/min for 10min to obtain a pre-polymerization emulsion A, separating 85% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 800r/min for 8min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 120r/min for 10min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 30 ℃ for 8h, heating to 70 ℃ for reacting for 45min, naturally cooling and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 10% sulfuric acid for 24h, washing with water to neutrality, drying at 60 ℃, adding into 5% silver nitrate solution, heating to reflux to fully load silver ions, filtering after 4h, vacuum drying at 65 ℃ for 6h, transferring to a carbon tube furnace, heating to 360 ℃ at a speed of 50 ℃/min under the protection of nitrogen, roasting for 4h, and heating to 400 ℃ at a speed of 10 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
Example 8:
the water-based environment-friendly wood paint special for children furniture comprises the following components in parts by weight:
30 parts of aqueous polyurethane emulsion, 20 parts of cationic silicone-acrylate emulsion, 20 parts of hydroxy acrylic resin, 4 parts of ethylene glycol monobutyl ether, 8 parts of diatomite-loaded nano-silver antibacterial agent, 8 parts of graphene, 25 parts of nano-silica, 18 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 2 parts of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.4 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 40 parts of deionized water.
The preparation method of the cationic silicone-acrylate emulsion comprises the following steps:
adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at a high speed of 800r/min for 15min, adding styrene and ethyl methacrylate, stirring at a high speed of 800r/min for 12min to obtain a pre-polymerization emulsion A, separating 90% of the pre-polymerization emulsion A, adding vinyl triisopropoxysilane, stirring at a high speed of 900r/min for 8min to obtain a pre-polymerization emulsion B, adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the rest of the pre-polymerization emulsion A, stirring at room temperature of 120r/min for 8min, mixing the pre-polymerization emulsion B and azodiisobutyramidine dihydrochloride, slowly dropwise adding the mixture, reacting at 30 ℃ for 6h, heating to 70 ℃ for 40min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
The preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in 10% sulfuric acid for 24h, washing with water to neutrality, drying at 60 ℃, adding into 5% silver nitrate solution, heating to reflux to fully load silver ions, filtering out after 5h, vacuum drying at 70 ℃ for 6h, transferring to a carbon tube furnace under the protection of nitrogen, heating to 360 ℃ at a speed of 50 ℃/min, roasting for 4h, and heating to 400 ℃ at a speed of 6 ℃/min, and roasting for 1 h.
The preparation method of the special water-based environment-friendly wood paint for children furniture comprises the following specific steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
And (3) performance detection:
the following table 1 shows the performance test results of the waterborne environment-friendly wood paint prepared in example 1 of the present invention
Table 1:
as shown in the table 1, the waterborne environment-friendly wood lacquer has good performances, is superior to the waterborne environment-friendly wood lacquer sold in the market, has the volatile organic matter content and the free formaldehyde content far lower than the national standard, is environment-friendly, and has excellent market application prospect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The water-based environment-friendly wood paint special for children furniture is characterized by comprising the following components in parts by weight:
30-40 parts of aqueous polyurethane emulsion, 10-20 parts of cationic silicone-acrylate emulsion, 15-20 parts of hydroxy acrylic resin, 2-4 parts of ethylene glycol monobutyl ether, 5-10 parts of diatomite-loaded nano-silver antibacterial agent, 4-8 parts of graphene, 20-30 parts of nano silicon dioxide, 15-20 parts of nano aluminum oxide, 1-3 parts of succinate sulfonated hydrogenated castor oil, 1-5 parts of propylene glycol, 0.1-0.5 part of WT-204 aqueous leveling agent, 0.5-1 part of WT-202 thickening agent, 0.2-0.4 part of TC-311 coupling agent, 0.3-0.6 part of BKY-051 defoaming agent and 30-40 parts of deionized water.
2. The special water-based environment-friendly wood lacquer for children furniture as claimed in claim 1, comprising the following components in parts by weight:
33 parts of aqueous polyurethane emulsion, 18 parts of cationic silicone-acrylate emulsion, 17 parts of hydroxy acrylic resin, 2.5 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 5 parts of graphene, 22 parts of nano-silica, 18 parts of nano-alumina, 1.5 parts of succinate sulfonated hydrogenated castor oil, 1 part of propylene glycol, 0.2 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.2 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
3. The special water-based environment-friendly wood lacquer for children furniture as claimed in claim 1, comprising the following components in parts by weight:
40 parts of aqueous polyurethane emulsion, 12 parts of cationic silicone-acrylate emulsion, 18 parts of hydroxy acrylic resin, 3 parts of ethylene glycol monobutyl ether, 6 parts of diatomite-loaded nano-silver antibacterial agent, 4 parts of graphene, 25 parts of nano-silica, 18 parts of nano-alumina, 1 part of succinate sulfonated hydrogenated castor oil, 4 parts of propylene glycol, 0.1 part of WT-204 aqueous leveling agent, 0.8 part of WT-202 thickening agent, 0.4 part of TC-311 coupling agent, 0.5 part of BKY-051 defoaming agent and 30 parts of deionized water.
4. The special aqueous environment-friendly wood lacquer for children furniture according to claim 1, wherein the preparation method of the cationic silicone acrylic emulsion comprises the following steps:
(1) adding part of dodecyl dimethyl benzyl ammonium bromide and acetic acid into deionized water, stirring at 800r/min for 10-15min at 600-;
(2) adding dodecyl dimethyl benzyl ammonium bromide, methacryloyloxyethyl trimethyl ammonium chloride and acrylamide into the residual pre-polymerization emulsion A, stirring at the room temperature of 100 DEG for 5-10min at 150r/min, then mixing the pre-polymerization emulsion B with azobisisobutyramidine dihydrochloride, slowly adding dropwise, reacting at the temperature of 30-35 ℃ for 5-10h, then heating to 70-75 ℃ for reacting for 40-50min, naturally cooling, and filtering to obtain the cationic silicone-acrylic emulsion.
5. The special aqueous environment-friendly wood lacquer for children furniture as claimed in claim 1, wherein the preparation method of the diatomite-loaded nano silver antibacterial agent comprises the following steps:
soaking diatomite in sulfuric acid with a certain concentration for 20-25h, washing with water to neutrality, drying at 60-70 ℃, adding the diatomite into a silver nitrate solution, heating to reflux to fully load silver ions, filtering after 4-6h, vacuum drying at 60-70 ℃ for 5-8h, transferring to a carbon tube furnace, heating to 350-360 ℃ under the protection of nitrogen, roasting for 3-5h, and heating to 400-420 ℃ for two times, and roasting for 1 h.
6. The waterborne environment-friendly wood paint special for children furniture as claimed in claim 5, wherein the concentration of the sulfuric acid is 7-10%.
7. The waterborne environment-friendly wood paint special for children furniture as claimed in claim 5, wherein the molar concentration of the silver nitrate solution is 5-8%.
8. The waterborne environment-friendly wood paint special for children furniture as claimed in claim 1, wherein the once temperature rise speed is 50-60 ℃/min.
9. The waterborne environment-friendly wood paint special for children furniture as claimed in claim 1, wherein the secondary heating rate is 5-15 ℃/min.
10. The preparation method of the special water-based environment-friendly wood lacquer for children furniture as claimed in any one of claims 1 to 9, is characterized by comprising the following steps:
sequentially adding the aqueous polyurethane emulsion, the cationic silicone-acrylate emulsion, the hydroxyl acrylic resin and the deionized water into a container, uniformly stirring, adding the WT-204 aqueous leveling agent, the WT-202 thickening agent, the TC-311 coupling agent and the BKY-051 defoaming agent, uniformly stirring, finally adding the ethylene glycol monobutyl ether, the diatomite-loaded nano-silver antibacterial agent, the graphene, the nano-silicon dioxide, the nano-alumina, the succinate sulfonated hydrogenated castor oil and the propylene glycol, shearing at a high speed, dispersing and subpackaging.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423806A (en) * | 2020-05-28 | 2020-07-17 | 天津博苑高新材料有限公司 | Nano-alumina antibacterial coating and preparation method thereof |
| CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
-
2019
- 2019-12-16 CN CN201911295139.2A patent/CN111040494A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423806A (en) * | 2020-05-28 | 2020-07-17 | 天津博苑高新材料有限公司 | Nano-alumina antibacterial coating and preparation method thereof |
| CN115521698A (en) * | 2022-10-27 | 2022-12-27 | 柳州紫荆生态工程科技有限公司 | High-hardness graphene water-based paint and preparation method thereof |
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