CN111704816A - Long-acting slow-release bactericidal antiviral coating and preparation method and application thereof - Google Patents
Long-acting slow-release bactericidal antiviral coating and preparation method and application thereof Download PDFInfo
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- CN111704816A CN111704816A CN202010615798.6A CN202010615798A CN111704816A CN 111704816 A CN111704816 A CN 111704816A CN 202010615798 A CN202010615798 A CN 202010615798A CN 111704816 A CN111704816 A CN 111704816A
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- bactericidal
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- 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
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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
- 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
- C09D7/60—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
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
Abstract
The invention discloses a long-acting slow-release bactericidal antiviral coating and a preparation method and application thereof, wherein the long-acting slow-release bactericidal antiviral coating comprises a bactericidal antiviral agent, white carbon black, calcium carbonate, nano silicon dioxide, nano tungsten trioxide, a silicon-containing porous material, chitin, graphene oxide, mica powder, phthalocyanine compounds and rubber powder; the silicon-based porous material is used as a host material, the bactericidal and antiviral agent is macro-loaded into the pore channels of the sepiolite and the molecular sieve porous material, and the escape of the bactericidal and antiviral agent is prevented by utilizing the internal structure of the pore channels; when the surface layer bactericidal and antiviral agent contacting with the air is consumed, the bactericidal and antiviral agent in the pore channel gradually enters the surface of the coating through physical diffusion, the consumed bactericidal and antiviral agent is supplemented, the long-acting slow-release bactericidal and antiviral function is further achieved, the relatively closed indoor space is well disinfected, viruses are prevented from being spread through the air and the spray, manual disinfection is replaced, and the coating has a high practical application value.
Description
Technical Field
The invention relates to the technical field of decorative materials, in particular to a long-acting slow-release bactericidal antiviral coating and a preparation method and application thereof.
Background
Along with the improvement of the living standard of people, the attention on the indoor environment health is gradually improved, so that the indoor environment-friendly building material products are continuously updated in an iterative manner, the concept of the bactericidal and antiviral coating is widely put forward, more and more coating enterprises put the research and development directions on the bactericidal and antiviral property, but the mature bactericidal and antiviral coating products are not available on the market at present.
The sterilizing and antiviral products publicized in the prior art can not effectively resist viruses, the structures of viruses and bacteria are different, the action mechanisms of the viruses and the bacteria are different, the viruses have destructive power and infectivity compared with the bacteria, the vitality of the viruses is more tenacious, and various viruses can live in adversity for a long time, thereby seriously threatening the health of human beings.
Because the indoor environment is the main place for human activities, how to prepare an environment-friendly coating with antiviral property is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a long-acting slow-release coating which is environment-friendly and pollution-free, has no toxic or harmful effect on human bodies and can sterilize and resist viruses and a preparation process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the long-acting slow-release bactericidal antiviral coating is characterized by comprising the following components in percentage by mass:
0.1-30% of bactericidal and antiviral agent, 1-10% of white carbon black, 0.5-25% of calcium carbonate, 0.1-10% of nano silicon dioxide, 0.1-10% of nano tungsten trioxide, 1-50% of silicon-containing porous material, 0.1-15% of chitin, 0.1-9% of graphene oxide, 0.1-10% of mica powder, 0.01-5% of phthalocyanine compound and 5-25% of rubber powder.
Preferably, the bactericidal antiviral agent is obtained by compounding one or more of halogen-containing antiviral agents or amine disinfectants according to different proportions and then crushing to over 800 meshes.
Wherein, the two mixed schemes are that the halogen-containing antiviral agent and the amine disinfectant are mixed according to the mass ratio of 1: (1-5) in the ratio.
Preferably, the halogen-containing antiviral agent is chlorine dioxide, sodium trichloroisocyanurate or halogenated derivatives of methylhydantoin, and the amine disinfectant is azanilide.
Preferably, the silicon-containing porous material is one or a composition of two of sepiolite and molecular sieve in any proportion.
Preferably, the specific surface area of the silicon-containing porous material is more than or equal to 50m2/g。
The invention also provides a preparation method of the long-acting slow-release bactericidal antiviral coating, which comprises the following steps:
sepiolite and a molecular sieve are used as host materials, and the sterilizing and antiviral agent and the sepiolite are mixed according to the mass ratio of 1: (20-100) adding the mixture into a negative pressure mixing reaction cone, vacuumizing, and then filling nitrogen to ensure that the pressure in the negative pressure mixing reaction cone circulates for three times between 1KPa and 80KPa, mixing and stirring for 20min when the pressure is lower than 1KPa and higher than 80KPa each time, and finishing the macro load after the third inflation pressure reaches 80KPa and mixing and stirring for 20 min.
The sepiolite and the molecular sieve are used as host materials, the bactericidal and antiviral agent is macro-loaded into the pore channels of the sepiolite and the molecular sieve, and the escape of the bactericidal and antiviral agent is prevented by utilizing the structure in the pore channels.
The invention also provides application of the coating, namely application of the coating to interior decoration.
Through the technical scheme, compared with the prior art, the invention provides the long-acting slow-release bactericidal antiviral coating, the bactericidal antiviral coating adopts a silicon-based porous material as a host material, a bactericidal antiviral reagent is massively loaded into pore channels of the sepiolite and the molecular sieve porous material, and the escape of the bactericidal antiviral reagent is prevented by utilizing the structure in the pore channels; when the surface layer bactericidal and antiviral agent contacting with the air is consumed, the bactericidal and antiviral agent in the pore channel gradually enters the surface of the coating through physical diffusion, the consumed bactericidal and antiviral agent is supplemented, the long-acting slow-release bactericidal and antiviral function is further achieved, the relatively closed indoor space is well disinfected, viruses are prevented from being spread through the air and the spray, manual disinfection is replaced, and the coating has a high practical application value.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The long-acting slow-release bactericidal antiviral paint in the embodiment is prepared by adopting the following scheme:
sepiolite and a molecular sieve are used as host materials, and the sterilizing and antiviral agent and the sepiolite are mixed according to the mass ratio of 1: (20-100) adding the mixture into a negative pressure mixing reaction cone, vacuumizing, and then filling nitrogen to ensure that the pressure in the negative pressure mixing reaction cone circulates for three times between 1KPa and 80KPa, mixing and stirring for 20min when the pressure is lower than 1KPa and higher than 80KPa each time, and finishing the macro load after the third inflation pressure reaches 80KPa and mixing and stirring for 20 min.
Example 1
The long-acting slow-release bactericidal antiviral coating comprises the following components in percentage by weight: 5% of a sterilizing and antiviral reagent, 4% of white carbon black, 20% of calcium carbonate, 2.5% of nano silicon dioxide, 3% of nano tungsten trioxide, 40% of silicon-containing porous materials such as sepiolite, molecular sieve and the like, 2% of chitin, 3% of graphene oxide, 5% of mica powder, 0.5% of phthalocyanine compound and 15% of glue powder.
Example 2
The long-acting slow-release bactericidal antiviral coating comprises the following components in percentage by weight:
10% of a bactericidal and antiviral agent, 3% of white carbon black, 8% of calcium carbonate, 3% of nano-silica, 5% of nano-tungsten trioxide, 40% of silicon-containing porous materials such as sepiolite and molecular sieve, 5% of chitin, 5% of graphene oxide, 10% of mica powder, 1% of phthalocyanine compound and 10% of rubber powder.
Example 3
The long-acting slow-release bactericidal antiviral coating comprises the following components in percentage by weight:
15% of a bacterial and antiviral agent, 2% of white carbon black, 6% of calcium carbonate, 0.5% of nano silicon dioxide, 9% of nano tungsten trioxide, 35% of silicon-containing porous materials such as sepiolite and molecular sieve, 2% of chitin, 10% of graphene oxide, 5% of mica powder, 0.5% of phthalocyanine compound and 15% of glue powder.
Comparative example
The long-acting slow-release bactericidal antiviral coating comprises the following components in percentage by weight:
0% of bactericidal and antiviral agent, 4% of white carbon black, 20% of calcium carbonate, 2.5% of nano silicon dioxide, 9% of nano tungsten trioxide, 40% of silicon-containing porous materials such as sepiolite and molecular sieve, 1.5% of chitin, 2.5% of graphene oxide, 5% of mica powder, 0.5% of phthalocyanine compound and 15% of glue powder.
Examples of the experiments
And (3) performance testing: uniformly stirring the bactericidal and antiviral paint of examples 1-3 and the comparative example and water according to a ratio of 1:0.85, coating one side of the paint on an experimental plate of 100cm x 100cm, airing the paint, placing the paint in an experimental cabin of 1m3, simulating the state of an indoor wall surface, atomizing the virus with a certain concentration, injecting the atomized virus into the experimental cabin, and taking air in the experimental cabin with a certain volume for testing the virus content after 1h, wherein the test results are shown in table 1;
TABLE 1 antiviral Properties of Long-acting sustained-Release antibacterial antiviral coating for each of the embodiments
| Workability | Smell(s) | 1h viral mortality% | |
| Example 1 | Is suitable for | Is tasteless | 74％ |
| Example 2 | Is suitable for | Almost no smell | 86％ |
| Example 3 | Is suitable for | Almost no smell | 91％ |
| Comparative example | Is suitable for | Is tasteless | 22％ |
As can be seen from Table 1, the long-acting slow-release bactericidal antiviral coatings of the embodiments 1-3 of the present invention have good bactericidal and disease-resistant effects compared to the non-bactericidal antiviral coatings of the comparative examples, and the antiviral properties are gradually enhanced with the addition of bactericidal antiviral agents.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The long-acting slow-release bactericidal antiviral coating is characterized by comprising the following components in percentage by mass:
0.1-30% of bactericidal and antiviral agent, 1-10% of white carbon black, 0.5-25% of calcium carbonate, 0.1-10% of nano silicon dioxide, 0.1-10% of nano tungsten trioxide, 1-50% of silicon-containing porous material, 0.1-15% of chitin, 0.1-9% of graphene oxide, 0.1-10% of mica powder, 0.01-5% of phthalocyanine compound and 5-25% of rubber powder.
2. The long-acting slow-release bactericidal antiviral coating as claimed in claim 1, wherein the bactericidal antiviral agent is obtained by compounding one or more of halogen-containing antiviral agents or amine disinfectants and then crushing the mixture to be over 800 meshes.
3. The long-acting slow-release bactericidal antiviral coating as claimed in claim 2, wherein the halogen-containing antiviral agent is halogenated derivatives of chlorine dioxide, sodium trichloroisocyanurate or methylhydantoin, and the amine disinfectant is azanilide.
4. The long-acting slow-release bactericidal antiviral coating as claimed in claim 1, wherein the porous material containing silicon is one or a combination of two of sepiolite and molecular sieve in any proportion.
5. The long-acting slow-release bactericidal antiviral coating as claimed in claim 1, wherein the specific surface area of the silicon-containing porous material is more than or equal to 50m2/g。
6. A method for preparing the long-acting slow-release bactericidal antiviral coating as claimed in any one of claims 1 to 5, which comprises the following steps:
sepiolite and a molecular sieve are used as host materials, and the sterilizing and antiviral agent and the sepiolite are mixed according to the mass ratio of 1: (20-100) adding the mixture into a negative pressure mixing reaction cone, vacuumizing, and then filling nitrogen to ensure that the pressure in the negative pressure mixing reaction cone circulates for three times between 1KPa and 80KPa, mixing and stirring for 20min when the pressure is lower than 1KPa and higher than 80KPa each time, and finishing the macro load after the third inflation pressure reaches 80KPa and mixing and stirring for 20 min.
7. A long-acting slow-release bactericidal antiviral coating applied to interior decoration.
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| CN202010615798.6A CN111704816A (en) | 2020-06-29 | 2020-06-29 | Long-acting slow-release bactericidal antiviral coating and preparation method and application thereof |
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| CN202010615798.6A CN111704816A (en) | 2020-06-29 | 2020-06-29 | Long-acting slow-release bactericidal antiviral coating and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112812608A (en) * | 2020-12-31 | 2021-05-18 | 长沙标朗住工科技有限公司 | Preparation method and application of indoor coating additive with antiviral effect |
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Application publication date: 20200925 |