CN116589912A - Antibacterial paint for baby houses and preparation method thereof - Google Patents
Antibacterial paint for baby houses and preparation method thereof Download PDFInfo
- Publication number
- CN116589912A CN116589912A CN202310545327.6A CN202310545327A CN116589912A CN 116589912 A CN116589912 A CN 116589912A CN 202310545327 A CN202310545327 A CN 202310545327A CN 116589912 A CN116589912 A CN 116589912A
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- China
- Prior art keywords
- glucose
- solution
- polyamino
- modified
- ethyl acrylate
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 57
- 239000003973 paint Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910001868 water Inorganic materials 0.000 claims abstract description 42
- 239000002562 thickening agent Substances 0.000 claims abstract description 40
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical group CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- -1 acrylic ester Chemical class 0.000 claims abstract description 34
- BFDDMZKDAIOGFP-UHFFFAOYSA-N n,n-dimethyloctan-1-amine;hydrochloride Chemical compound [Cl-].CCCCCCCC[NH+](C)C BFDDMZKDAIOGFP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000004814 polyurethane Substances 0.000 claims abstract description 27
- 229920002635 polyurethane Polymers 0.000 claims abstract description 27
- 239000002131 composite material Substances 0.000 claims abstract description 21
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims abstract description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920002545 silicone oil Polymers 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 69
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 58
- 239000008103 glucose Substances 0.000 claims description 58
- 238000002156 mixing Methods 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical group [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 24
- 239000011159 matrix material Substances 0.000 claims description 24
- 239000003960 organic solvent Substances 0.000 claims description 17
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical group COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 16
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 16
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 claims description 12
- 229910001386 lithium phosphate Inorganic materials 0.000 claims description 12
- 235000019359 magnesium stearate Nutrition 0.000 claims description 12
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 claims description 12
- 229940090181 propyl acetate Drugs 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 12
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims description 12
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 12
- SJGGDZCTGBKBCK-UHFFFAOYSA-N 3-acetylphenylboronic acid Chemical compound CC(=O)C1=CC=CC(B(O)O)=C1 SJGGDZCTGBKBCK-UHFFFAOYSA-N 0.000 claims description 10
- 229920003086 cellulose ether Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 claims description 8
- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical compound CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 claims description 8
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 229920001206 natural gum Polymers 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 11
- 239000000853 adhesive Substances 0.000 abstract description 10
- 238000005034 decoration Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003115 biocidal effect Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 11
- 239000003242 anti bacterial agent Substances 0.000 description 9
- 239000000839 emulsion Substances 0.000 description 7
- 229910021645 metal ion Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- HNFLHINKTXPRTJ-UHFFFAOYSA-N (3-acetylphenoxy)boronic acid Chemical compound CC(=O)C1=CC=CC(OB(O)O)=C1 HNFLHINKTXPRTJ-UHFFFAOYSA-N 0.000 description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical class N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- RVPVRDXYQKGNMQ-UHFFFAOYSA-N lead(2+) Chemical compound [Pb+2] RVPVRDXYQKGNMQ-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The application discloses an antibacterial paint for a baby room and a preparation method thereof, and relates to the technical field of building decoration, wherein the antibacterial paint comprises, by weight, 16-28% of composite acrylic ester, 10-22% of aqueous polyurethane, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of a thickening agent, 0.3-2.1% of a defoaming agent, 0.3-0.6% of a film forming auxiliary agent, 0.2-0.4% of a dispersing agent, 0.2-0.3% of a filler and 45-56.5% of solvent water; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride. The application has the effects of realizing effective antibiosis, controlling cost and improving film forming adhesive force.
Description
Technical Field
The application relates to the technical field of building decoration, in particular to an antibacterial paint for a baby room and a preparation method thereof.
Background
Decoration pollution hazard is a serious social problem. 90% of leukemic children are reported to originate from decoration pollution, with tens of thousands of infants dying from decoration pollution each year.
In the prior art, water-soluble emulsion paint is used as paint for the purpose of environmental protection and reducing decoration pollution hazard of wall paint for interior decoration. The water-soluble emulsion paint is prepared by taking synthetic resin emulsion as a base material, taking water as a dispersion medium, adding pigment, filler and auxiliary agent, and carrying out a certain technological process.
The Chinese patent application document with publication number of CN115478440A discloses a water-based paint and an antibacterial leather prepared from the water-based paint, wherein the water-based paint comprises an organic polymer and an antibacterial agent loaded on the organic polymer, and the antibacterial agent is metal and/or metal ions and/or metal oxides; the antibacterial agent is one, two or more of silver, silver ion, silver oxide, zinc ion, zinc oxide, copper ion, copper oxide, nickel ion, nickel oxide, cobalt ion, cobalt oxide, lead ion and lead oxide; the antibacterial agent is zinc ion, the water-based paint contains 0.03-1% of the antibacterial agent or the antibacterial agent is silver ion based on the total weight of the water-based paint, and the water-based paint contains 0.03-0.2% of the antibacterial agent based on the total weight of the water-based paint.
However, in the aqueous paint, although metal and/or metal ions and/or metal oxides are added as an antibacterial agent to realize an antibacterial function, in large-area wall decoration, adding enough metal and/or metal ions and/or metal oxides into the aqueous emulsion paint to realize the corresponding antibacterial function leads to the great increase of the cost of the aqueous emulsion paint, and the addition of the metal and/or metal ions and/or metal oxides influences the structural strength and the adhesive property of the aqueous emulsion paint after film formation, further leads to the reduction of the adhesive force of the aqueous emulsion paint, and needs to be improved.
Disclosure of Invention
In view of the above, a first object of the present application is to provide an antibacterial paint for baby houses, which achieves the purposes of effective antibacterial, cost control and film-forming adhesion promotion. The specific scheme is as follows:
an antibacterial paint for a baby room comprises, by weight, 16-28% of composite acrylic ester, 10-22% of aqueous polyurethane, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of a thickening agent, 0.3-2.1% of a defoaming agent, 0.3-0.6% of a film forming auxiliary agent, 0.2-0.4% of a dispersing agent, 0.2-0.3% of a filler and 45-56.5% of solvent water; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride.
Preferably, the filler is modified polyamino glucose, and the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate, carrying out high-temperature stirring treatment for 0.2-1h, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
Preferably, in the high-temperature stirring treatment, the temperature is controlled to be 80-100 ℃, and the mass ratio of the polyamino glucose to the 3-acetylphenylboronic acid to the lithium phosphate to the water to the titanium dioxide to the propyl acetate is 2:0.5-1:0.012-0.015:3-4.2:0.005-0.008:0.32-0.38.
Preferably, the thickener is at least one of cellulose ether thickener, natural gum thickener or polyurethane thickener; the defoamer is polyoxypropylene glycerol ether.
Preferably, the film forming auxiliary agent is propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the dispersing agent is magnesium stearate.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride with an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution to be 90-100 ℃ and keeping the temperature for 2-4 hours; wherein the mass ratio of the octyl dimethyl ammonium chloride, the ethyl acrylate and the dicumyl peroxide is 2-5:12-20:0.1-1.
The second aim of the application is to provide a preparation method of the antibacterial paint for the baby rooms, which comprises the steps of weighing 45-56.5% of solvent water, 10-22% of aqueous polyurethane and 0.2-0.3% of filler by weight, adding the solvent water, the aqueous polyurethane and the filler into a mixing stirrer, mixing and stirring uniformly, adding 16-28% of composite acrylic ester, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of thickener and 0.2-0.4% of dispersant by weight into the continuously stirred mixing stirrer, and continuing to add 0.3-2.1% of defoamer and 0.3-0.6% of film forming auxiliary agent by weight until stirring uniformly to obtain the antibacterial paint for the baby rooms.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride with an organic solvent to obtain a functional monomer solution, and then heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution to be 90-100 ℃ and keeping the temperature for 2-4 hours; wherein, the mass ratio of octyl dimethyl ammonium chloride to ethyl acrylate to dicumyl peroxide is 2-5:12-20:0.1-1.
Preferably, the filler is modified polyamino glucose, the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate according to the mass ratio of 2:0.5-1:0.012-0.015:3-4.2:0.005-0.008:0.32-0.38, stirring at the temperature of 80-100 ℃ for 0.2-1h, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
Preferably, the thickener is at least one of cellulose ether thickener, natural gum thickener or polyurethane thickener; the defoaming agent is polyoxypropylene glycerol ether; the film forming auxiliary agent is propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the dispersing agent is magnesium stearate.
According to the scheme, the application provides the antibacterial paint for the baby rooms and the preparation method thereof, and the antibacterial paint for the baby rooms and the preparation method thereof have the following beneficial effects:
1. the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride is mixed with water-based polyurethane, dimethyl carbonate and acrylic silicone oil, and the effects of effective antibiosis, cost control and film forming adhesive force improvement are realized on the basis of thickening agents, defoamers, film forming aids, dispersing agents and auxiliary agents of fillers;
2. the antibacterial performance is effectively improved by adopting the modified polyamino glucose, and the aim of reducing the antibacterial concentration is fulfilled while the consumption is reduced;
3. the antibacterial effect of the antibacterial paint for the baby room is improved by the synergy of the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride and the modified polyamino glucose prepared from the polyamino glucose, the 3-acetylphenylboronic acid, the lithium phosphate, the water, the titanium dioxide and the propyl acetate, so that the effect of preventing the reduction of film forming adhesive force while improving the antibacterial performance is realized;
4. the formation of a cross-linked network structure in film forming and curing is realized through dimethyl carbonate, acrylic silicone oil and modified polyamino glucose, so that the obvious improvement of film forming adhesive force is realized;
5. the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride achieves the aims of controlling cost and improving film forming adhesive force while achieving effective antibacterial effect.
Detailed Description
The following description of the technical solutions in the embodiments of the present application will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that the organic solvent in the embodiment of the application is trichloroethylene, ethylene glycol ether, ethyl acetate, butanone or triethanolamine.
The following will specifically explain the antibacterial paint for baby houses and the preparation method thereof.
An antibacterial paint for a baby room comprises, by weight, 16-28% of composite acrylic ester, 10-22% of aqueous polyurethane, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of a thickening agent, 0.3-2.1% of a defoaming agent, 0.3-0.6% of a film forming auxiliary agent, 0.2-0.4% of a dispersing agent, 0.2-0.3% of a filler and 45-56.5% of solvent water; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride.
Wherein the thickener is at least one of cellulose ether thickener, natural gum thickener or polyurethane thickener; the defoaming agent is polyoxypropylene glycerol ether; the film forming auxiliary agent is propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the dispersing agent is magnesium stearate.
Meanwhile, the filler is modified polyamino glucose, and the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate according to the mass ratio of 2:0.5-1:0.012-0.015:3-4.2:0.005-0.008:0.32-0.38, stirring at the temperature of 80-100 ℃ for 0.2-1h, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride and an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution to be 90-100 ℃ and keeping the temperature for 2-4 hours; wherein the mass ratio of the octyl dimethyl ammonium chloride, the ethyl acrylate and the dicumyl peroxide is 2-5:12-20:0.1-1.
The preparation method of the antibacterial paint for the baby room comprises the steps of weighing 45-56.5% of solvent water, 10-22% of water-based polyurethane and 0.2-0.3% of filler according to weight percentage, adding the mixture into a mixing stirrer, uniformly mixing, adding 16-28% of composite acrylic ester, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of cellulose ether thickener, natural gum thickener or polyurethane thickener and 0.2-0.4% of magnesium stearate according to weight percentage into the continuously stirred mixture, and continuously adding 0.3-2.1% of polyoxypropylene glycerol ether and 0.3-0.6% of propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate according to weight percentage until the mixture is uniformly stirred, thus obtaining the antibacterial paint for the baby room.
Example 1
An antibacterial paint for baby houses comprises, by weight, 28% of composite acrylic ester, 10% of aqueous polyurethane, 3% of dimethyl carbonate, 1% of acrylic silicone oil, 0.5% of cellulose ether thickening agent, 0.3% of polyoxypropylene glycerol ether, 0.3% of propylene glycol methyl ether, 0.2% of magnesium stearate, 0.2% of filler and 56.5% of solvent water.
The filler is modified polyamino glucose, and the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboric acid, lithium phosphate, water, titanium dioxide and propyl acetate according to the mass ratio of 2:0.5:0.012:3:0.005:0.32, stirring for 0.2h at the temperature of 100 ℃, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride and an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; and finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution at 100 ℃ and keeping the temperature for 2 hours. Wherein the mass ratio of octyl dimethyl ammonium chloride, ethyl acrylate and dicumyl peroxide is 2:12:0.1.
The preparation method of the antibacterial paint for the baby room comprises the steps of weighing 56.5% of solvent water, 10% of water-based polyurethane and 0.2% of filler according to weight percentage, adding the solvent water, the water-based polyurethane and the filler into a mixing stirrer, uniformly mixing and stirring, adding 28% of composite acrylic ester, 3% of dimethyl carbonate, 1% of acrylic silicone oil, 0.5% of cellulose ether thickening agent and 0.2% of magnesium stearate according to weight percentage into the continuously stirred mixing stirrer, and continuously adding 0.3% of polyoxypropylene glycerol ether and 0.3% of propylene glycol methyl ether according to weight percentage until uniformly stirring to obtain the antibacterial paint for the baby room.
Example two
An antibacterial paint for a baby room comprises, by weight, 16% of composite acrylic ester, 22% of aqueous polyurethane, 8% of dimethyl carbonate, 3% of acrylic silicone oil, 2.6% of a natural gum thickener, 2.1% of polyoxypropylene glycerol ether, 0.6% of dipropylene glycol butyl ether, 0.4% of magnesium stearate, 0.3% of a filler and 45% of solvent water; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride.
The filler is modified polyamino glucose, and the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboric acid, lithium phosphate, water, titanium dioxide and propyl acetate according to the mass ratio of 2:1:0.015:4.2:0.008:0.38, stirring for 1h at the temperature of 80 ℃, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride and an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; and finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution at 90 ℃ and keeping for 4 hours. Wherein the mass ratio of octyl dimethyl ammonium chloride, ethyl acrylate and dicumyl peroxide is 5:20:1.
The preparation method of the antibacterial paint for the baby room comprises the steps of weighing 45 weight percent of solvent water, 22 weight percent of water-based polyurethane and 0.3 weight percent of filler, adding into a mixing stirrer, mixing and stirring uniformly, adding 16 weight percent of composite acrylic ester, 8 weight percent of dimethyl carbonate, 3 weight percent of acrylic silicone oil, 2.6 weight percent of natural gum thickener and 0.4 weight percent of magnesium stearate into the continuously stirred mixing stirrer, and continuing to add 2.1 weight percent of polyoxypropylene glycerol ether and 0.6 weight percent of dipropylene glycol butyl ether until stirring uniformly, thereby obtaining the antibacterial paint for the baby room.
Example III
An antibacterial paint for a baby room comprises 20% of composite acrylic ester, 18% of aqueous polyurethane, 6% of dimethyl carbonate, 2% of acrylic silicone oil, 1.8% of polyurethane thickener, 1.5% of polyoxypropylene glycerol ether, 0.5% of 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 0.3% of magnesium stearate, 0.25% of filler and 49.65% of solvent water in percentage by weight; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride.
The filler is modified polyamino glucose, and the preparation method of the modified polyamino glucose comprises the steps of fully mixing the polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate according to the mass ratio of 2:0.8:0.013:3.6:0.007:0.35, stirring for 0.6h at the temperature of 90 ℃, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
The preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride and an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; and finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution at 95 ℃ and keeping the temperature for 3.2h. Wherein the mass ratio of octyl dimethyl ammonium chloride, ethyl acrylate and dicumyl peroxide is 1:5:0.2.
The preparation method of the antibacterial paint for the baby room comprises the steps of weighing 49.65% of solvent water, 18% of water-based polyurethane and 0.25% of filler according to weight percentage, adding the mixture into a mixing stirrer, uniformly mixing, adding 20% of composite acrylic ester, 6% of dimethyl carbonate, 2% of acrylic silicone oil, 1.8% of polyurethane thickener and 0.3% of magnesium stearate according to weight percentage into the continuously stirred mixing stirrer, and continuously adding 1.5% of polyoxypropylene glycerol ether and 0.5% of 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate according to weight percentage until the mixture is uniformly stirred, thus obtaining the antibacterial paint for the baby room.
Example IV
The difference between the examples is that the thickener in the fourth example is a cellulose ether thickener and a polyurethane thickener in a mass ratio of 1.
Comparative example one
Comparative example one differs from example one in that the filler in comparative example one is a metal ion antibacterial agent.
Comparative example two
Comparative example two differs from example one in that acrylate was used instead of the composite acrylate in comparative example two.
Comparative example three
Comparative example III differs from example I in that dimethyl carbonate was not added in comparative example III.
The above examples one to three and comparative examples one to three were tested in the following manner:
1. antibacterial and mildew resistance testing:
according to HG/T3950-2007.
2. Adhesion test:
according to GB/T9286-2021.
VOC (g/L) test:
according to GB 18582-2008.
Table test data results for examples one to three and comparative examples one to three
As can be seen from the table one, the application realizes the effect of improving the film forming adhesion force by adopting the dimethyl carbonate, and realizes the effect of improving the adhesion force while achieving the antibacterial performance by mixing the dimethyl carbonate with the modified poly-glucosamine, the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride and the acrylic silicone oil, and the aim of reducing the cost due to the reduction of the use of antibacterial materials.
In summary, the application provides an antibacterial paint for a baby room and a preparation method thereof, wherein the antibacterial paint for the baby room and the preparation method thereof firstly achieve the aims of controlling cost and improving film forming adhesive force while achieving effective antibacterial effect by grafting the modified ethyl acrylate with octyl dimethyl ammonium chloride, so as to further enable the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride to be mixed with waterborne polyurethane, dimethyl carbonate and acrylic silicone oil and achieve the effects of effective antibacterial, controlling cost and improving film forming adhesive force by using the auxiliary agent based on a thickening agent, a defoaming agent, a film forming auxiliary agent, a dispersing agent and a filler.
Wherein, the antibacterial property is effectively improved by adopting the modified polyamino glucose, and the aim of reducing the antibacterial concentration is fulfilled while the consumption is reduced; the antibacterial effect of the antibacterial paint for the baby room is improved by the synergy of the modified ethyl acrylate grafted with octyl dimethyl ammonium chloride and the modified polyamino glucose prepared from the polyamino glucose, the 3-acetylphenylboronic acid, the lithium phosphate, the water, the titanium dioxide and the propyl acetate, so that the effect of preventing the reduction of film forming adhesive force while improving the antibacterial performance is realized; and a cross-linked network structure is formed in film forming solidification through dimethyl carbonate, acrylic silicone oil and modified polyamino glucose, so that the film forming adhesive force is obviously improved.
The references to "first," "second," "third," "fourth," etc. (if present) are used to distinguish similar objects from each other and are not necessarily used to describe a particular order or sequence. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, or apparatus.
It should be noted that the description of "first", "second", etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. The antibacterial paint for the baby room is characterized by comprising 16-28% of composite acrylic ester, 10-22% of aqueous polyurethane, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of thickening agent, 0.3-2.1% of defoamer, 0.3-0.6% of film forming auxiliary agent, 0.2-0.4% of dispersing agent, 0.2-0.3% of filler and 45-56.5% of solvent water by weight percent; the composite acrylic ester is modified ethyl acrylate grafted with octyl dimethyl ammonium chloride.
2. The antibacterial paint for infant houses according to claim 1, wherein the filler is modified polyamino glucose, and the modified polyamino glucose is prepared by sufficiently mixing polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate, stirring at high temperature for 0.2-1h, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
3. The antibacterial paint for the baby crib, which is characterized in that in the high-temperature stirring treatment, the temperature is controlled to be 80-100 ℃, and the mass ratio of the polyamino glucose to the 3-acetylphenylboronic acid to the lithium phosphate to the water to the titanium dioxide to the propyl acetate is 2:0.5-1:0.012-0.015:3-4.2:0.005-0.008:0.32-0.38.
4. The antibacterial paint for the baby houses according to claim 1, wherein the thickener is at least one of cellulose ether thickeners, natural gum thickeners or polyurethane thickeners; the defoamer is polyoxypropylene glycerol ether.
5. The antibacterial paint for the baby rooms, as claimed in claim 1, wherein the film-forming auxiliary agent is propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the dispersing agent is magnesium stearate.
6. The antibacterial paint for the baby rooms according to claim 1, wherein the preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride with an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution to be 90-100 ℃ and keeping the temperature for 2-4 hours; wherein the mass ratio of the octyl dimethyl ammonium chloride, the ethyl acrylate and the dicumyl peroxide is 2-5:12-20:0.1-1.
7. A preparation method of the antibacterial paint for the baby room is characterized by comprising the steps of weighing 45-56.5% of solvent water, 10-22% of aqueous polyurethane and 0.2-0.3% of filler according to weight percentage, adding the solvent water, the aqueous polyurethane and the filler into a mixing stirrer, mixing and stirring uniformly, adding 16-28% of composite acrylic ester, 3-8% of dimethyl carbonate, 1-3% of acrylic silicone oil, 0.5-2.6% of thickener and 0.2-0.4% of dispersing agent according to weight percentage into the continuously stirred mixing stirrer, and continuing to add 0.3-2.1% of defoaming agent and 0.3-0.6% of film forming auxiliary agent according to weight percentage until stirring uniformly, thus obtaining the antibacterial paint for the baby room.
8. The method for preparing the antibacterial paint for the baby rooms, which is characterized in that the composite acrylic ester is modified ethyl acrylate, and the preparation method of the modified ethyl acrylate comprises the steps of firstly mixing octyl dimethyl ammonium chloride with an organic solvent to obtain a functional monomer solution, and heating the functional monomer solution to 80 ℃ to obtain a grafting solution; dissolving ethyl acrylate and dicumyl peroxide serving as an initiator in an organic solvent, and stirring to obtain a matrix solution; finally, dropwise adding the matrix solution into the grafting solution in a stirring state, and after the dropwise adding is finished, controlling the temperature of the mixed solution of the grafting solution and the matrix solution to be 90-100 ℃ and keeping the temperature for 2-4 hours; wherein, the mass ratio of octyl dimethyl ammonium chloride to ethyl acrylate to dicumyl peroxide is 2-5:12-20:0.1-1.
9. The method for preparing the antibacterial paint for the infant's house according to claim 7, wherein the filler is modified polyamino glucose, the modified polyamino glucose is prepared by mixing the polyamino glucose, 3-acetylphenylboronic acid, lithium phosphate, water, titanium dioxide and propyl acetate according to a mass ratio of 2:0.5-1:0.012-0.015:3-4.2:0.005-0.008:0.32-0.38, stirring at a temperature of 80-100 ℃ for 0.2-1h, cooling to obtain solid modified polyamino glucose particles, and grinding the solid modified polyamino glucose particles into powder to obtain the modified polyamino glucose.
10. The method for preparing the antibacterial paint for the baby houses, which is characterized in that the thickener is at least one of cellulose ether thickener, natural gum thickener or polyurethane thickener; the defoaming agent is polyoxypropylene glycerol ether; the film forming auxiliary agent is propylene glycol methyl ether, dipropylene glycol butyl ether or 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate; the dispersing agent is magnesium stearate.
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| CN102961389A (en) * | 2012-11-27 | 2013-03-13 | 任金山 | Composition containing glucosamine as well as preparation method and detection method thereof |
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| CN109705874A (en) * | 2018-12-28 | 2019-05-03 | 北京城市之光生态环境有限公司 | A kind of water-loss reducer of soil and preparation method thereof |
| CN111423804A (en) * | 2020-04-30 | 2020-07-17 | 郑州一安水性高分子材料有限公司 | Broad-spectrum long-acting antibacterial water-based environment-friendly coating and preparation method thereof |
| CN111500141A (en) * | 2020-06-05 | 2020-08-07 | 黄�俊 | Antibacterial emulsion paint and preparation method thereof |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961389A (en) * | 2012-11-27 | 2013-03-13 | 任金山 | Composition containing glucosamine as well as preparation method and detection method thereof |
| CN105597821A (en) * | 2015-10-19 | 2016-05-25 | 华南理工大学 | Hemicellulose-chitosan-palladium catalyst, and preparation method and application thereof |
| CN109705874A (en) * | 2018-12-28 | 2019-05-03 | 北京城市之光生态环境有限公司 | A kind of water-loss reducer of soil and preparation method thereof |
| CN111423804A (en) * | 2020-04-30 | 2020-07-17 | 郑州一安水性高分子材料有限公司 | Broad-spectrum long-acting antibacterial water-based environment-friendly coating and preparation method thereof |
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