CN114634757A - Antibacterial UV coating and preparation method thereof - Google Patents
Antibacterial UV coating and preparation method thereof Download PDFInfo
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- CN114634757A CN114634757A CN202210313265.1A CN202210313265A CN114634757A CN 114634757 A CN114634757 A CN 114634757A CN 202210313265 A CN202210313265 A CN 202210313265A CN 114634757 A CN114634757 A CN 114634757A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 164
- 238000000576 coating method Methods 0.000 title claims abstract description 77
- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 66
- 239000002904 solvent Substances 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 125000001931 aliphatic group Chemical group 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 35
- 229920002635 polyurethane Polymers 0.000 claims description 33
- 239000004814 polyurethane Substances 0.000 claims description 33
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 21
- 125000004386 diacrylate group Chemical group 0.000 claims description 17
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 claims description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 15
- 230000008033 biological extinction Effects 0.000 claims description 15
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 15
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 14
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 229920002545 silicone oil Polymers 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003973 paint Substances 0.000 claims description 8
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 7
- 244000028419 Styrax benzoin Species 0.000 claims description 7
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 7
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 7
- 150000008365 aromatic ketones Chemical class 0.000 claims description 7
- 229960002130 benzoin Drugs 0.000 claims description 7
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 7
- 239000012965 benzophenone Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 235000019382 gum benzoic Nutrition 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical group CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 7
- YLHXLHGIAMFFBU-UHFFFAOYSA-N methyl phenylglyoxalate Chemical compound COC(=O)C(=O)C1=CC=CC=C1 YLHXLHGIAMFFBU-UHFFFAOYSA-N 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 claims description 3
- 229940063655 aluminum stearate Drugs 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver nitrate Substances [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 13
- 244000052616 bacterial pathogen Species 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 13
- JZMPIUODFXBXSC-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.CCOC(N)=O JZMPIUODFXBXSC-UHFFFAOYSA-N 0.000 description 6
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the technical field of coatings, in particular to an antibacterial UV coating and a preparation method thereof, wherein the antibacterial UV coating comprises the following raw materials in parts by weight: 40-60 parts of antibacterial UV resin, 1-5 parts of antibacterial powder, 4-8 parts of matting powder, 18-24 parts of solvent A, 13-17 parts of solvent B and 1-4 parts of photoinitiator. The antibacterial UV coating has the advantages of high curing speed, good flexibility, strong adhesive force, low shrinkage, antibacterial property and bactericidal property, and can automatically kill bacteria, germs and the like attached to the coating through the antibacterial property of the coating; the preparation method of the antibacterial UV coating is special and simple, is convenient to operate and control, has high quality of produced products and low cost, is beneficial to industrial production, and can effectively overcome the defects of the conventional antibacterial coating.
Description
Technical Field
The invention relates to the technical field of coatings, and particularly relates to an antibacterial UV coating and a preparation method thereof.
Background
The UV coating is also called as an ultraviolet light curing coating, has the advantages of high hardness, high scratch resistance, high chemical resistance and the like, has wide application range, and can be coated on the surfaces of various civil electronic products. However, in modern life, bacteria exist in various environments, particularly along with the aggravation of pollution of modern society, various bacteria and germs are easy to breed and propagate, particularly for various household electrical appliances and electronic products which are frequently contacted with human bodies, such as cameras, computers, mobile phones and the like, the UV coating has no antibacterial and bactericidal functions, a certain amount of bacteria are carried on the surfaces of the cameras, the computers, the mobile phones and the like in the storage and use processes, people often need to additionally adopt a sterilization method frequently in order to prevent the bacteria and germs from infecting the human bodies, and the UV coating is very inconvenient, so that people have higher requirements on the paint layer, and a trend is to develop a paint layer which has antibacterial and bactericidal properties, and the bacteria, germs and the like attached to the paint layer can be automatically killed through the antibacterial property of the paint layer.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the antibacterial UV coating which has the advantages of high curing speed, good flexibility, strong adhesive force, low shrinkage, antibacterial property and bactericidal property, and can automatically kill bacteria, germs and the like attached to the paint layer through the antibacterial property of the paint layer.
The invention also aims to provide a preparation method of the antibacterial UV coating, which is simple, convenient to operate and control, high in quality of produced products, low in cost, beneficial to industrial production and capable of effectively overcoming the defects of the conventional antibacterial coating.
The purpose of the invention is realized by the following technical scheme: an antibacterial UV coating comprises the following raw materials in parts by weight: 40-60 parts of antibacterial UV resin, 1-5 parts of antibacterial powder, 4-8 parts of matting powder, 18-24 parts of solvent A, 13-17 parts of solvent B and 1-4 parts of photoinitiator.
More preferably, the antibacterial UV coating comprises the following raw materials in parts by weight: 48-56 parts of antibacterial UV resin, 1-5 parts of antibacterial powder, 4-8 parts of matting powder, 18-24 parts of solvent A, 13-17 parts of solvent B and 1-4 parts of photoinitiator; the solvent A is ethyl acetate; and the solvent B is butyl acetate.
The antibacterial UV coating prepared from the raw materials has the advantages of high curing speed, good flexibility, strong adhesive force, low shrinkage, antibacterial property and bactericidal property, and can automatically kill bacteria, germs and the like attached to the coating through the antibacterial property of the coating. The adopted antibacterial UV resin has good pigment wettability, and the antibacterial powder can be well dispersed in the antibacterial UV resin, so that the nano silver mixed and dispersed in the antibacterial UV resin can be well dispersed in the antibacterial UV coating and is uniformly dispersed; the matching of the adopted antibacterial UV resin and the photoinitiator avoids the defect of long curing time of the resin, in addition, the wavelength range of the photoinitiator for initiating curing is wider, and the antibacterial UV coating can be more rapidly promoted to be cured in a wider ultraviolet wavelength range through the adjustment of the proportioning relation; the extinction powder can control the surface gloss of the coating in a balanced manner, increase the wear resistance and scratch resistance of the coating, remove moisture, deodorize and purify air, and can assist the antibacterial UV resin in further resisting the comprehensive performance of the antibacterial UV coating.
Preferably, the antibacterial UV resin comprises the following raw materials in parts by weight: 10-20 parts of aliphatic polyurethane diacrylate, 5-10 parts of epoxy acrylate, 8-16 parts of hexafunctional aliphatic polyurethane acrylate, 1-5 parts of 1, 6-hexanediol diacrylate and 1-3 parts of nano silver.
Preferably, the antibacterial UV tree is prepared by the following steps:
s1, mixing aliphatic polyurethane diacrylate, hexafunctional aliphatic polyurethane acrylate and epoxy acrylate, spraying vaporous hydrogen-terminated silicone oil while stirring, uniformly mixing, and standing for 1-2 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 60-80 ℃, stirring at the speed of 800-1100r/min for 20-40min, and cooling to room temperature to obtain the antibacterial UV resin.
Preferably, in step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic polyurethane diacrylate is 0.1-0.3: 1.0.
The antibacterial UV tree prepared by the raw materials has the characteristics of polyurethane and acrylate, and a cured film has the characteristics of good adhesive force, good flexibility, smooth appearance and full paint film; the prepared antibacterial UV resin is aliphatic polyurethane urethane acrylate, has adjustability of mechanical properties, can regulate and control the mechanical properties such as elongation at break, tensile strength and the like of a curing film by changing the using amounts of aliphatic polyurethane diacrylate and hexafunctional aliphatic urethane acrylate in raw materials for synthesizing the UV resin, and has the advantages of low cost, high hardness, good chemical resistance and good surface curing property by adopting the hexafunctional aliphatic urethane acrylate and epoxy acrylate, and has good synergistic effect on the antibacterial property of the nano-silver antibacterial agent; the adopted 1, 6-hexanediol diacrylate has excellent drying speed and flexibility, is used as an active diluent in the components, has good wetting dispersibility with aliphatic polyurethane diacrylate and hexa-functional aliphatic polyurethane acrylate, and can obviously enhance the adhesive force and flexibility of the finally prepared antibacterial UV coating.
Preferably, the antibacterial powder is one or more of nano titanium dioxide, nano zinc oxide, nano silver nitrate, nano silver-loaded hydroxyapatite, nano zinc-loaded ion zeolite and nano silver-loaded ion zeolite.
The antibacterial powder adopted by the invention has excellent antibacterial, bacteriostatic and bactericidal properties, and silver ions or zinc ions can be uniformly distributed on the surface of the UV coating and can cause bacteria to generate functional disorder after contact reaction with the bacteria, so that the bacteria die.
Preferably, the matting powder is one or more of ultrafine silicon dioxide, talcum powder, aluminum stearate and calcium stearate.
The matting powder adopted in the invention can control the surface gloss of the coating in a balanced manner, increase the wear resistance and scratch resistance of the coating, remove moisture, deodorize and purify air, and can assist the antibacterial UV resin in further resisting the comprehensive performance of the antibacterial UV coating.
Preferably, the photoinitiator is a mixture of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 0.8-1.2:0.6-1.0:0.4-0.8: 0.3-0.7.
The photoinitiator adopted in the invention can initiate curing in a wider wavelength range, and can accelerate the curing of the coating more rapidly in a wider ultraviolet wavelength range by adjusting the proportion relation.
The invention also provides a preparation method of the antibacterial UV coating, which comprises the following steps:
1) preparing a reaction kettle, adding the solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 500-700r/min for 25-35min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1000-1400r/min for 15-25min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring the mixture B at the speed of 800-1000r/min for 15-25min, and filtering the mixture B by using a 500-700-mesh filter screen to obtain the antibacterial UV coating.
The antibacterial UV coating prepared by the method has the advantages of high curing speed, good flexibility, strong adhesive force, low shrinkage, antibacterial property and bactericidal property, and can automatically kill bacteria, germs and the like attached to the coating by the antibacterial property of the coating.
The invention has the beneficial effects that: the antibacterial UV coating has the advantages of high curing speed, good flexibility, strong adhesive force, low shrinkage, antibacterial property and bactericidal property, and can automatically kill bacteria, germs and the like attached to the coating through the antibacterial property of the coating.
The preparation method of the antibacterial UV coating is special and simple, is convenient to operate and control, has high quality of produced products and low cost, is beneficial to industrial production, and can effectively overcome the defects of the conventional antibacterial coating.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
An antibacterial UV coating comprises the following raw materials in parts by weight: 40 parts of antibacterial UV resin, 1 part of antibacterial powder, 4 parts of matting powder, 18 parts of solvent A, 13 parts of solvent B and 1 part of photoinitiator.
The antibacterial UV resin comprises the following raw materials in parts by weight: 10 parts of aliphatic polyurethane diacrylate, 5 parts of epoxy acrylate, 8 parts of hexafunctional aliphatic polyurethane acrylate, 1 part of 1, 6-hexanediol diacrylate and 1 part of nano-silver.
The antibacterial UV tree is prepared by the following steps:
s1, mixing aliphatic polyurethane diacrylate, hexafunctional aliphatic polyurethane acrylate and epoxy acrylate, spraying vaporous hydrogen-terminated silicone oil while stirring, uniformly mixing, and standing for 1h to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 60 ℃, stirring at the speed of 800r/min for 20min, and cooling to room temperature to obtain the antibacterial UV resin.
In step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic urethane diacrylate is 0.1: 1.0.
The antibacterial powder is nano titanium dioxide. The matting powder is superfine silicon dioxide.
The solvent A is ethyl acetate; and the solvent B is butyl acetate.
The photoinitiator is a mixture consisting of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 0.8:0.6:0.4: 0.3.
The preparation method of the antibacterial UV coating comprises the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 500r/min for 25min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1000r/min for 15min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring at the speed of 800r/min for 15min, and filtering with a 500-mesh filter screen to obtain the antibacterial UV coating.
Example 2
An antibacterial UV coating comprises the following raw materials in parts by weight: 48 parts of antibacterial UV resin, 2 parts of antibacterial powder, 5 parts of matting powder, 19 parts of solvent A, 14 parts of solvent B and 2 parts of photoinitiator.
The antibacterial UV resin comprises the following raw materials in parts by weight: 13 parts of aliphatic polyurethane diacrylate, 6 parts of epoxy acrylate, 10 parts of hexafunctional aliphatic polyurethane acrylate, 2 parts of 1, 6 hexanediol diacrylate and 1.5 parts of nano silver.
The antibacterial UV tree is prepared by the following steps:
s1, mixing the aliphatic polyurethane diacrylate, the hexa-functional aliphatic polyurethane acrylate and the epoxy acrylate, spraying the vaporous hydrogen terminated silicone oil while stirring, uniformly mixing, and standing for 1.3 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 65 ℃, stirring at 870r/min for 25min, and cooling to room temperature to obtain the antibacterial UV resin.
In step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic urethane diacrylate is 0.12: 1.0.
The antibacterial powder is nano zinc oxide. The matting powder is talcum powder.
The solvent A is ethyl acetate; and the solvent B is butyl acetate.
The photoinitiator is a mixture consisting of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 0.9:0.7:0.5: 0.4.
The preparation method of the antibacterial UV coating comprises the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 550r/min for 28min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1100r/min for 18min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring at the speed of 850r/min for 18min, and filtering with a 550-mesh filter screen to obtain the antibacterial UV coating.
Example 3
An antibacterial UV coating comprises the following raw materials in parts by weight: 50 parts of antibacterial UV resin, 3 parts of antibacterial powder, 6 parts of matting powder, 22 parts of solvent A, 15 parts of solvent B and 3 parts of photoinitiator.
The antibacterial UV resin comprises the following raw materials in parts by weight: 15 parts of aliphatic polyurethane diacrylate, 7 parts of epoxy acrylate, 12 parts of hexafunctional aliphatic polyurethane acrylate, 13 parts of 1, 6-hexanediol diacrylate and 2 parts of nano silver.
The antibacterial UV tree is prepared by the following steps:
s1, mixing aliphatic polyurethane diacrylate, hexafunctional aliphatic polyurethane acrylate and epoxy acrylate, spraying vaporous hydrogen-terminated silicone oil while stirring, uniformly mixing, and standing for 1.5 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 70 ℃, stirring at the speed of 950r/min for 30min, and cooling to room temperature to obtain the antibacterial UV resin.
In step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic urethane diacrylate is 0.15: 1.0.
The antibacterial powder is nano silver nitrate. The matting powder is aluminum stearate.
The solvent A is ethyl acetate; and the solvent B is butyl acetate.
The photoinitiator is a mixture consisting of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 1.0:0.8:0.6: 0.5.
The preparation method of the antibacterial UV coating comprises the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 600r/min for 30min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1200r/min for 20min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring at the speed of 900r/min for 20min, and filtering with a 600-mesh filter screen to obtain the antibacterial UV coating.
Example 4
An antibacterial UV coating comprises the following raw materials in parts by weight: 56 parts of antibacterial UV resin, 4 parts of antibacterial powder, 7 parts of matting powder, 23 parts of solvent A, 16 parts of solvent B and 4 parts of photoinitiator.
The antibacterial UV resin comprises the following raw materials in parts by weight: 18 parts of aliphatic urethane diacrylate, 8 parts of epoxy acrylate, 14 parts of hexafunctional aliphatic urethane acrylate, 4 parts of 1, 6-hexanediol diacrylate and 2.5 parts of nano silver.
The antibacterial UV tree is prepared by the following steps:
s1, mixing aliphatic polyurethane diacrylate, hexafunctional aliphatic polyurethane acrylate and epoxy acrylate, spraying vaporous hydrogen-terminated silicone oil while stirring, uniformly mixing, and standing for 1.8 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 75 ℃, stirring at the speed of 1030r/min for 35min, and cooling to room temperature to obtain the antibacterial UV resin.
In step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic urethane diacrylate is 0.18: 1.0.
The antibacterial powder is nano silver-loaded hydroxyapatite. The matting powder is superfine silicon dioxide.
The solvent A is ethyl acetate; and the solvent B is butyl acetate.
The photoinitiator is a mixture consisting of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 1.1:0.9:0.7: 0.6.
The preparation method of the antibacterial UV coating comprises the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 650r/min for 33min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1300r/min for 23min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring at the speed of 950r/min for 23min, and filtering with a 650-mesh filter screen to obtain the antibacterial UV coating.
Example 5
An antibacterial UV coating comprises the following raw materials in parts by weight: 60 parts of antibacterial UV resin, 5 parts of antibacterial powder, 8 parts of matting powder, 24 parts of solvent A, 17 parts of solvent B and 4 parts of photoinitiator.
The antibacterial UV resin comprises the following raw materials in parts by weight: 20 parts of aliphatic polyurethane diacrylate, 10 parts of epoxy acrylate, 16 parts of hexafunctional aliphatic polyurethane acrylate, 5 parts of 1, 6-hexanediol diacrylate and 3 parts of nano silver.
The antibacterial UV tree is prepared by the following steps:
s1, mixing aliphatic polyurethane diacrylate, hexafunctional aliphatic polyurethane acrylate and epoxy acrylate, spraying vaporous hydrogen-terminated silicone oil while stirring, uniformly mixing, and standing for 2 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 80 ℃, stirring at the speed of 1100r/min for 40min, and cooling to room temperature to obtain the antibacterial UV resin.
In step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic urethane diacrylate is 0.3: 1.0.
The antibacterial powder is nano zinc ion-loaded zeolite. The matting powder is superfine silicon dioxide.
The solvent A is ethyl acetate; and the solvent B is butyl acetate.
The photoinitiator is a mixture of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to a weight ratio of 1.2:1.0:0.8: 0.7.
The preparation method of the antibacterial UV coating comprises the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 700r/min for 35min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1400r/min for 25min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring at the speed of 1000r/min for 25min, and filtering with a 700-mesh filter screen to obtain the antibacterial UV coating.
Comparative example 1
This comparative example differs from example 1 above in that: in the raw materials of the antibacterial UV coating in the comparative example, a commercially available UV resin is used instead of the antibacterial UV resin, and the rest of the comparative example is the same as that in example 1, and is not described again.
Comparative example 2
This comparative example differs from example 5 above in that: the hexafunctional aliphatic urethane acrylate and 1, 6 hexanediol diacrylate were not added to the raw materials for preparing the antibacterial UV resin in this comparative example, and the rest of the comparative example is the same as example 5 and will not be described again.
The antibacterial UV coatings prepared in examples 1, 3, 5 and comparative examples 1-2 were subjected to performance tests, and the test results are shown in table 1 below:
the antibacterial UV coatings prepared in examples 1, 3 and 5 and comparative examples 1-2 are coated on a plastic plate in a roll coating construction mode, a 1kW high-pressure mercury lamp is adopted to irradiate and cure with ultraviolet light with the luminous intensity of 80W/cm, the curing time is recorded, and the formed coating film is subjected to a mechanical property test;
and (3) antibacterial property: testing according to the national standard GB 21551.2-2-2010;
adhesion force: testing according to the national standard GB/T9286;
glossiness: testing according to national standard GB/T9754;
flexibility: tested according to the national standard GB/T1731.
TABLE 1
| Item | Antibacterial ratio (%) | Adhesion (grade) | Degree of gloss (°) | Flexibility (mm) | Curing time (min) |
| Example 1 | ＞99 | 1 | 67 | 1 | 12 |
| Example 3 | ＞99 | 1 | 70 | 1 | 11 |
| Example 5 | ＞99 | 1 | 69 | 1 | 10 |
| Comparative example 1 | 74.3 | 3 | 60 | 3 | 35 |
| Comparative example 2 | 85.4 | 2 | 65 | 2 | 16 |
As can be seen from the comparison among examples 1, 3 and 5 and comparative examples 1 to 2, the antibacterial UV coating using the antibacterial UV resin has the characteristics of high curing speed, good flexibility, strong adhesion, antibacterial property and sterilization property, and has wide market prospect and application value.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. An antibacterial UV coating is characterized in that: the feed comprises the following raw materials in parts by weight: 40-60 parts of antibacterial UV resin, 1-5 parts of antibacterial powder, 4-8 parts of matting powder, 18-24 parts of solvent A, 13-17 parts of solvent B and 1-4 parts of photoinitiator.
2. The antibacterial UV coating according to claim 1, characterized in that: the antibacterial UV coating comprises the following raw materials in parts by weight: 48-56 parts of antibacterial UV resin, 1-5 parts of antibacterial powder, 4-8 parts of matting powder, 18-24 parts of solvent A, 13-17 parts of solvent B and 1-4 parts of photoinitiator.
3. The antibacterial UV coating according to claim 1, characterized in that: the antibacterial UV resin comprises the following raw materials in parts by weight: 10-20 parts of aliphatic polyurethane diacrylate, 5-10 parts of epoxy acrylate, 8-16 parts of hexafunctional aliphatic polyurethane acrylate, 1-5 parts of 1, 6-hexanediol diacrylate and 1-3 parts of nano silver.
4. The antibacterial UV coating according to claim 3, characterized in that: the antibacterial UV tree is prepared by the following steps:
s1, mixing the aliphatic polyurethane diacrylate, the hexa-functional aliphatic polyurethane acrylate and the epoxy acrylate, spraying the vaporous hydrogen terminated silicone oil while stirring, uniformly mixing, and standing for 1-2 hours to obtain a mixed system for later use;
s2, adding 1, 6-hexanediol diacrylate and nano-silver into the mixed system obtained in the step S1, heating to 60-80 ℃, stirring at the speed of 800-1100r/min for 20-40min, and cooling to room temperature to obtain the antibacterial UV resin.
5. The antibacterial UV coating according to claim 4, characterized in that: in step S1, the ratio of the amount of the hydrogen-terminated silicone oil to the amount of the aliphatic polyurethane diacrylate is 0.1-0.3: 1.0.
6. The antibacterial UV coating according to claim 1, characterized in that: the antibacterial powder is one or more of nano titanium dioxide, nano zinc oxide, nano silver nitrate, nano silver-loaded hydroxyapatite, nano zinc-loaded ion zeolite and nano silver-loaded ion zeolite.
7. The antibacterial UV coating according to claim 1, characterized in that: the matting powder is one or more of superfine silicon dioxide, talcum powder, aluminum stearate and calcium stearate.
8. The antibacterial UV coating according to claim 1, characterized in that: the solvent A is ethyl acetate; and the solvent B is butyl acetate.
9. The antibacterial UV coating according to claim 1, characterized in that: the photoinitiator is a mixture consisting of benzophenone, aromatic ketone, methyl benzoylformate and benzoin dimethyl ether according to the weight ratio of 0.8-1.2:0.6-1.0:0.4-0.8: 0.3-0.7.
10. A method for preparing the antibacterial UV paint according to any one of claims 1 to 9, characterized in that: is prepared by the following steps:
1) preparing a reaction kettle, adding a solvent A into the cleaned reaction kettle, adding the antibacterial UV resin, and stirring at the speed of 500-700r/min for 25-35min to obtain a mixture A for later use;
2) weighing extinction powder and a solvent B, adding the extinction powder and the solvent B into the mixture A obtained in the step 1), and stirring at the speed of 1000-1400r/min for 15-25min to obtain a mixture B for later use;
3) weighing antibacterial powder and a photoinitiator, adding the antibacterial powder and the photoinitiator into the mixture B obtained in the step 2), stirring the mixture B at the speed of 800-1000r/min for 15-25min, and filtering the mixture B by using a 500-700-mesh filter screen to obtain the antibacterial UV coating.
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| US6087413A (en) * | 1991-04-03 | 2000-07-11 | Red Spot Paint And Varnish Co., Inc. | UV curable clearcoat compositions and process |
| CN102234480A (en) * | 2010-04-20 | 2011-11-09 | 东莞市佩琦涂料有限公司 | Ultraviolet light solidified antibiosis paint |
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