CN113699827A - Antiviral coating and preparation method and application thereof - Google Patents
Antiviral coating and preparation method and application thereof Download PDFInfo
- Publication number
- CN113699827A CN113699827A CN202110926526.2A CN202110926526A CN113699827A CN 113699827 A CN113699827 A CN 113699827A CN 202110926526 A CN202110926526 A CN 202110926526A CN 113699827 A CN113699827 A CN 113699827A
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- antiviral
- coating
- antiviral coating
- macroporous
- stirring
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- 230000000840 anti-viral effect Effects 0.000 title claims abstract description 103
- 239000011248 coating agent Substances 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 55
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 29
- 239000004640 Melamine resin Substances 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 43
- 241000700605 Viruses Species 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 23
- 239000003292 glue Substances 0.000 claims description 14
- 230000000415 inactivating effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000002779 inactivation Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 5
- 239000012876 carrier material Substances 0.000 claims description 4
- 229910010272 inorganic material Inorganic materials 0.000 claims description 4
- 239000011147 inorganic material Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000008204 material by function Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003607 modifier Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 2
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 230000002147 killing effect Effects 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- -1 siloxane compound Chemical class 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 2
- 241000711573 Coronaviridae Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012164 animal wax Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000002357 osmotic agent Substances 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/50—Spraying or projecting
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
- D21H25/12—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with an essentially cylindrical body, e.g. roll or rod
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Medicinal Preparation (AREA)
Abstract
The application discloses an antiviral coating, and a preparation method and application thereof. The antiviral coating comprises melamine resin adhesive and an antiviral material. The antiviral coating can be made into gummed paper and used for preparing the antiviral plate, so that the antiviral material coating on the surface of the antiviral plate is firm, uniform and attractive.
Description
Technical Field
The application relates to an antiviral coating, a preparation method and an application thereof, and belongs to the field of chemistry.
Background
The virus can be spread by being adsorbed on particles such as aerosol and the like and the surface of an object, and the survival time of the attached virus can reach dozens of or even dozens of hours. In environments with high pathogen contamination risk, such as transportation hubs or transportation means, i.e., stations, airports, buses, trains, ships, airplanes, etc., the handling of infectious pathogens is usually solved by regular disinfection. The killing action is often enhanced periodically, otherwise the killing effect is gradually reduced along with the gradual reduction of the concentration of the disinfectant. There is an urgent need for a method for rapidly and effectively killing various viruses (especially novel coronavirus) attached to public spaces and indoor articles such as clothes, vehicles, tables and chairs, etc., so as to prevent further diffusion and spread of the viruses. The method for attaching the antiviral material to the furniture is a method capable of reducing virus transmission, but how to attach the antiviral material to the furniture uniformly and firmly is a technical problem which needs to be solved urgently.
Disclosure of Invention
In accordance with one aspect of the present application, an antiviral coating is provided. The antiviral coating can be made into gummed paper and used for preparing the antiviral plate, so that the antiviral material coating on the surface of the antiviral plate is firm, uniform and attractive.
An antiviral coating, which comprises melamine resin adhesive and an antiviral material.
Optionally, the antiviral material is selected from at least one of macroporous inorganic functional materials for adsorbing and inactivating viruses.
Optionally, the virus-adsorbing inactivated macroporous inorganic functional material is obtained by the following steps:
forming and roasting a mixture containing an adsorption and inactivation virus nano inorganic material, an adhesive, a pore structure modifier and water;
the nano inorganic material for adsorbing and inactivating viruses comprises at least one of calcium silicate, zirconium phosphate, zirconium oxide, titanium oxide, an A-type molecular sieve and an X-type molecular sieve;
or
The macroporous inorganic functional material for adsorbing and inactivating viruses is obtained by the following steps:
(a) dissolving a precursor of the material with the virus adsorption and inactivation function in water to prepare an impregnation liquid;
(b) mixing the impregnation liquid in the step (a) with a macroporous carrier material until the macroporous carrier material is adsorbed and saturated, standing at room temperature for 1-48 h, drying at 100-150 ℃ for 1-48 h, and roasting at 450-800 ℃ for 0.5-18 h to obtain the virus adsorption and inactivation macroporous functional material;
the functional material for adsorbing and inactivating viruses is a composite metal oxide containing zinc, titanium and zirconium.
Optionally, the content of the antiviral material is 2-5 wt% of the antiviral coating.
Optionally, the content of the antiviral material is 2-4 wt% of the antiviral coating.
Optionally, the content of the antiviral material is 2-3 wt% of the antiviral coating.
Optionally, the content of the antiviral material is 2-2.5 wt% of the antiviral coating.
Optionally, the antiviral coating further comprises a curing agent, a penetrant, and a release agent.
Optionally, the curing agent comprises at least one of a p-toluenesulfonic acid-based curing agent, a morpholine-based curing agent, and a dicyandiamide-based curing agent.
Optionally, the curing agent comprises at least one of p-toluenesulfonic acid, morpholine, dicyandiamide optionally, the penetrant comprises at least one of nonionic surfactants;
optionally, the osmotic agent comprises at least one of fatty alcohol-polyoxyethylene ether;
optionally, the release agent comprises at least one of a silicon-series release agent, a wax-series release agent, a surfactant-series release agent, and an ester-series release agent;
optionally, the silicon-based release agent comprises at least one of a siloxane compound, a silicone oil, a silicone methyl branched silicone oil;
optionally, the wax-series release agent comprises at least one of vegetable wax, animal wax, synthetic paraffin wax, polyethylene wax;
optionally, the synthetic paraffin wax comprises at least one of microcrystalline paraffin wax;
optionally, the surfactant-series mold release agent comprises at least one of a metal soap, an EO derivative, a PO derivative.
Optionally, the content of the curing agent is 0.1-0.3 wt% of the antiviral coating.
Optionally, the content of the penetrating agent is 0.1-0.3 wt% of the antiviral coating.
Optionally, the content of the penetrating agent is 0.2-0.3 wt% of the antiviral coating.
Optionally, the content of the penetrating agent is 0.25-0.3 wt% of the antiviral coating.
Optionally, the content of the release agent is 0.1-0.3 wt% of the antiviral coating.
According to another aspect of the present application, there is provided a method for preparing the antiviral paint, comprising the steps of:
and mixing materials containing melamine resin glue and an antiviral material to obtain the antiviral coating.
Optionally, the material further contains a curing agent, a penetrant and a release agent.
Optionally, the preparation method of the antiviral coating comprises the following steps:
(S1) adding the curing agent, the penetrating agent and the parting agent into the melamine resin adhesive under stirring, and continuing stirring II;
(S2) adding an antiviral material, and stirring III to obtain the antiviral paint.
Optionally, the stirring time of the stirring II is 5-15 min;
and the stirring time of the stirring III is 20-50 min.
According to another aspect of the present application, there is provided a use of at least one of the antiviral material described in any one of the above, and the antiviral paint prepared by the preparation method described in any one of the above, in preparing antiviral impregnated paper.
Optionally, the antiviral impregnated paper is used for preparing antiviral plates.
The obtained antiviral plate can be further prepared into antiviral furniture such as antiviral tables and chairs, and antiviral furniture such as antiviral floors.
The beneficial effects that this application can produce include:
the antiviral coating provided by the application comprises melamine resin glue and an antiviral material, and can be prepared into gummed paper, and the antiviral plate material is obtained by hot pressing the gummed paper on a base material, so that the antiviral material is uniformly, firmly and attractively coated on the base material.
The substrate can be selected from any one of medium density board, high density board, shaving board, European pine board, multilayer board, solid wood finger board and ecological board.
Drawings
FIG. 1 is a diagram showing the effect of forming a chair from the melamine antiviral plate according to example 3 of the present application.
FIG. 2 is a graph showing the effect of directly spraying the antiviral material on the surface of the melamine resin adhesive tape in comparative example 1 of the present application.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Unless otherwise specified, the raw materials and catalysts in the examples of the present application were all purchased commercially.
The release agent used in the present application is RC1901 release agent, available from shanghai dragon xu chemical company limited.
The penetrant is JFc-1, and is purchased from Xian Jinyao chemical materials Co.
The curing agent is a trimer 6852f curing agent which is purchased from Jintong chemical Co.
The normal temperature is 25 +/-2 ℃.
EXAMPLE 1 preparation of antiviral coating
(1) Preparation of antiviral Material
The macroporous inorganic functional material for adsorbing and inactivating viruses is prepared according to the method disclosed in embodiment 1 of CN112871133A, and the specific steps are as follows:
weighing 100g of polyvinyl alcohol, 500g of silica sol (the mass content of silicon dioxide is 30%), 100g of polyethylene glycol, 300g of calcium silicate with the particle size distribution of 30-80 nm, 500g of titanium oxide, 200g of zirconium oxide and 200g of 13X molecular sieve, adding into 9000g of deionized water, violently and mechanically stirring for 60min at room temperature, and then carrying out colloid milling to prepare slurry.
Spray drying and forming under the conditions that the temperature of the air inlet is 280 ℃ and the temperature of the air outlet is 120 ℃.
Roasting the spray-dried and molded sample in a muffle furnace at 600 ℃ for 8h, and then sieving the roasted sample by using a 120-mesh sieve and a 600-mesh sieve to remove large particles and dust to obtain the macroporous inorganic functional material for adsorbing and inactivating viruses.
(2) Preparation of melamine resin adhesive
The preparation method of the melamine resin adhesive disclosed in embodiment 1 of CN101070459A comprises the following steps:
adding 200kg of formaldehyde and 70kg of water into a 1-ton reaction kettle, uniformly stirring, and adjusting the pH value to 9.5 by using alkali; then adding 100kg of melamine, uniformly stirring, and heating the reaction kettle to 80 ℃; keeping the temperature and reacting for 4-6 hours; taking 10 drops of the glue sample to measure the water dissolution times, and stopping heat preservation when the measured value is 0.6-1.1; cooling to below 50 deg.C, and discharging.
(3) Preparation of antiviral coating
97.3kg of the prepared glue is taken and stirred, and 0.2kg of curing agent, 0.3kg of penetrating agent and 0.2kg of parting medium are added. And continuously stirring for 10 minutes, then adding 2kg of macroporous functional materials for adsorbing and inactivating viruses, and stirring for 30min to obtain the antiviral coating.
EXAMPLE 2 preparation of antiviral coating
(1) Preparation of antiviral Material
The method for preparing the macroporous functional material for adsorbing and inactivating the viruses according to the CN 112871129A embodiment 1 comprises the following specific steps:
putting macroporous silica gel with pore size distribution of 60-180 nm into a vacuum oven, drying for 4h at 120 ℃, then weighing 100g of the macroporous silica gel, putting the macroporous silica gel into water, stirring the carrier until no bubbles float on the surface, filtering the carrier, absorbing water films physically adsorbed on the surface of the carrier by using filter paper, weighing, and calculating to obtain that the saturated water absorption capacity of the macroporous silica gel per gram is 2.31 g;
24.88g of zinc acetate, 42.76g of titanium sulfate and 23.77g of zirconium nitrate were weighed, and water was added to prepare 250ml of a precursor impregnation solution.
And adding 100g of macroporous silica gel into the precursor impregnation solution until the macroporous silica gel is saturated, standing at room temperature for 12h, drying in an oven at 120 ℃ for 4h, and then roasting in a muffle furnace at 600 ℃ for 4h to obtain the virus adsorption and inactivation macroporous functional material.
(2) Preparation of melamine resin adhesive
The preparation method of the melamine resin adhesive disclosed in embodiment 1 of CN101070459A comprises the following steps:
adding 200kg of formaldehyde and 70kg of water into a 1-ton reaction kettle, uniformly stirring, and adjusting the pH value to 9.5 by using alkali; then adding 100kg of melamine, uniformly stirring, and heating the reaction kettle to 80 ℃; keeping the temperature and reacting for 4-6 hours; taking 10 drops of the glue sample to measure the water dissolution times, and stopping heat preservation when the measured value is 0.6-1.1; cooling to below 50 deg.C, and discharging.
(3) Preparation of antiviral coating
At normal temperature, 97.3kg of the prepared glue is stirred, and 0.2kg of curing agent, 0.3kg of penetrating agent and 0.2kg of parting agent are added. And continuously stirring for 10 minutes, then adding 2kg of macroporous functional materials for adsorbing and inactivating viruses, and stirring for 30min to obtain the antiviral coating.
EXAMPLE 3 preparation of Melamine antiviral Board
(1) Preparing antiviral melamine impregnated paper: firstly, the base paper passes through a first glue pool, melamine glue is coated on the base paper, then the excessive glue is extruded out through a glue roller (the coating is uniform), the antiviral coating prepared in the embodiment 1 is uniformly sprayed on the surface which is already coated with glue through a spraying machine, the base paper is extruded through the glue roller again and enters a drying box (the drying box is about 20 meters long, the temperature is 60-65 ℃) to be dried for cutting treatment, and the base paper is packaged and sealed.
(2) Preparation of melamine antiviral plate: and (3) hot-pressing the antiviral melamine impregnated paper on a base material (a melamine medium density board) by using a hot press, wherein the hot-pressing temperature is 205 ℃ and the time is 25s, so that the melamine antiviral plate is obtained.
The prepared melamine antiviral plate can be made into furniture such as tables and chairs or decoration materials such as floors, and corresponding antiviral furniture such as tables and chairs and antiviral floors can be obtained.
The chair made of the melamine antiviral plate has the effect as shown in fig. 1, and as can be seen from fig. 1, the melamine antiviral plate is uniformly coated and attractive.
The coating of the antiviral coating can be polished to remove the glue wrapping the antiviral material, so that the antiviral coating is fully exposed, and the drug property is better exerted.
Comparative example 1 preparation of melamine antiviral panels
When the antiviral material prepared in step (1) of example 1 was dissolved in water (the concentration of the antiviral material was 3.5 wt%) and directly sprayed on the surface of the melamine resin plywood, the result was shown in fig. 1, in which floating powder appeared on the surface of the melamine resin plywood and was not uniformly covered.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (10)
1. An antiviral coating, which is characterized by comprising melamine resin adhesive and an antiviral material.
2. The antiviral coating according to claim 1, wherein the antiviral material is at least one selected from macroporous inorganic functional materials for adsorbing and inactivating viruses;
preferably, the macroporous inorganic functional material for adsorbing and inactivating viruses is obtained by the following steps:
forming and roasting a mixture containing an adsorption and inactivation virus nano inorganic material, an adhesive, a pore structure modifier and water;
the nano inorganic material for adsorbing and inactivating viruses comprises at least one of calcium silicate, zirconium phosphate, zirconium oxide, titanium oxide, an A-type molecular sieve and an X-type molecular sieve;
or
The macroporous inorganic functional material for adsorbing and inactivating viruses is obtained by the following steps:
(a) dissolving a precursor of the material with the virus adsorption and inactivation function in water to prepare an impregnation liquid;
(b) mixing the impregnation liquid in the step (a) with a macroporous carrier material until the macroporous carrier material is adsorbed and saturated, standing at room temperature for 1-48 h, drying at 100-150 ℃ for 1-48 h, and roasting at 450-800 ℃ for 0.5-18 h to obtain the virus adsorption and inactivation macroporous functional material;
the functional material for adsorbing and inactivating viruses is a composite metal oxide containing zinc, titanium and zirconium.
3. The antiviral coating material according to claim 1, wherein the content of the antiviral material is 2 to 5 wt% of the antiviral coating material.
4. The antiviral coating according to claim 1, wherein the antiviral coating further comprises a curing agent, a penetrant, and a release agent.
5. The antiviral coating according to claim 4, wherein the content of the curing agent is 0.1 to 0.3 wt% of the antiviral coating;
the content of the penetrating agent is 0.1-0.3 wt% of the antiviral coating;
the content of the release agent is 0.1-0.3 wt% of the antiviral coating.
6. The method for preparing an antiviral coating material according to any one of claims 1 to 5, characterized by comprising the steps of:
and mixing materials containing melamine resin glue and an antiviral material to obtain the antiviral coating.
7. The method of claim 6, wherein the material further comprises a curing agent, a penetrant, and a release agent.
8. The method for preparing the antiviral paint according to claim 6, comprising the steps of:
(S1) adding the curing agent, the penetrating agent and the parting agent into the melamine resin adhesive under stirring, and continuing stirring II;
(S2) adding an antiviral material, and stirring III to obtain the antiviral paint.
9. The preparation method according to claim 8, wherein the stirring II is carried out for 5-15 min;
and the stirring time of the stirring III is 20-50 min.
10. Use of at least one of the antiviral material according to any one of claims 1 to 5 and the antiviral coating material prepared by the preparation method according to any one of claims 6 to 9 in preparation of antiviral impregnated paper.
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Cited By (1)
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| CN115595820A (en) * | 2022-10-11 | 2023-01-13 | 大亚人造板集团有限公司（Cn） | Preparation process of anti-virus surface paper of veneer artificial board |
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Application publication date: 20211126 |