CN112593307A - Nano biological anti-RNA virus fabric and preparation method thereof - Google Patents
Nano biological anti-RNA virus fabric and preparation method thereof Download PDFInfo
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- CN112593307A CN112593307A CN202011570995.7A CN202011570995A CN112593307A CN 112593307 A CN112593307 A CN 112593307A CN 202011570995 A CN202011570995 A CN 202011570995A CN 112593307 A CN112593307 A CN 112593307A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
Abstract
The invention belongs to the field of hygiene and epidemic prevention, and particularly discloses a nano biological anti-RNA virus fabric which comprises the following components in parts by weight: 92-97 parts of polypropylene master batch, 2-4 parts of zeolite powder, 0.1-0.5 part of nano titanium dioxide powder and 1-3 parts of traditional Chinese medicinal materials; according to the invention, the zeolite is used as a carrier, bacteria and viruses can be adsorbed in the internal net structure of the zeolite carrier almost without dead angles, and the nano biological essence and the photocatalyst are used as main antiviral elements to kill the viruses, so that the effect of efficiently killing the viruses is achieved; meanwhile, the addition of the photocatalyst component enables the fabric to generate hydroxyl radicals (OH) and super anions (O) under illumination, further killing viruses is achieved, the application range of the fabric is further expanded, and the fabric effectively copes with the air transmission of RNA viruses.
Description
Technical Field
The invention belongs to the field of hygiene and epidemic prevention, and particularly relates to a nano biological anti-RNA virus fabric and a preparation method thereof.
Background
RNA virus is a kind of virus, belonging to the first class. Their genetic material is ribonucleic acid (RNA ribonucleic acid). The single-stranded RNA virus can be divided into positive-translation, negative-translation and double-translation RNA viruses according to the translation significance, the positive-translation RNA virus is similar to mRNA and can be directly translated into protein by ribosome, the negative-translation RNA virus needs the action of RNA polymerase, self is used as a template to synthesize self-complementary positive-translation RNA, and then the RNA is used as mRNA to translate the protein.
RNA virus is mistakenly spelled and has 100 ten thousand times faster mutation speed than DNA virus and frequently changed body shape, and the new coronavirus in circulation and SARS virus outbreak in 2003 belong to RNA virus.
The real-time statistical data of the world health organization shows that when the time reaches the middle part of Europe, 12, 18, 9, 53 minutes (16, 53 minutes in Beijing), more than 64 thousands of cases with confirmed diagnosis of new coronary pneumonia are reported globally, 642738 cases are reported, and more than 7285 thousands of cases with confirmed diagnosis globally are reported, 72851747 cases are reported; the number of new coronary pneumonia death cases reported globally is more than 164 ten thousands, reaches 1643339 cases, and is increased by 12407 cases compared with the previous day; more seriously, the new British coronavirus has been mutated, which brings impact to the global epidemic prevention and control again.
One of the most common transmission modes of RNA viruses is medium transmission in the air, once the viruses enter the body, the RNA viruses can seriously affect the health of the body, particularly the old, children and people with weak resistance, so that the preventive measures are extremely important, for example, in the current prevention and control measures of the epidemic situation of the new coronavirus, the most direct preventive measures adopted by various countries are home isolation, outdoor mask wearing and the like.
However, it is worth noting that with the continuous variation of RNA virus and the continuous enhancement of environmental adaptability, common fabrics such as masks and protective clothing can not resist the spread of the virus, and the population density in cities is high at present, and particularly high-rise residences provide convenience for the spread of the RNA virus;
in order to solve the problems, research and development on antiviral fabrics such as antiviral masks and antiviral air purification filter elements which are newly marketed are tightened by various research and development institutions at home and abroad, but through detection, the antiviral masks or filter elements on the market have the problems of poor antiviral capability and overlarge air resistance.
Therefore, the invention of a fabric capable of resisting RNA virus is imminent.
The Chinese herbal medicine antiviral curative effect is witnessed in the SARS epidemic situation of 03 years and the new coronary pneumonia epidemic situation at present, so that the RNA virus transmitted in the air can be effectively killed by adopting the nano-scale biological essence antiviral method.
The natural zeolite is a natural non-metallic mineral, is a safe environment-friendly new material which is determined by international scientific research institutions and can cover the whole industrial chain, is filled with fine holes and channels, has 100 ten thousand nanometer holes in 1 cubic micron, and has huge specific surface area; the unique molecular structure of the zeolite enables the zeolite to have the characteristics of excellent antiviral property, strong adsorbability, ion exchange property, catalytic property, acid and alkali resistance, high temperature resistance, corrosion resistance, molecular sieve function and the like.
In addition, the photocatalyst is a nano-scale titanium dioxide active material, which is coated on the surface of a substrate, forms a film after being dried, and generates strong catalytic degradation function under the action of light: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria, has the antibacterial rate of 99.99 percent, and can decompose and harmlessly treat toxins released by bacteria or fungi; meanwhile, the paint also has the functions of deodorization, stain resistance and the like.
The photocatalyst action principle is as follows: the photocatalyst can generate a series of energy conversion processes similar to photosynthesis of chlorophyll in plants under the irradiation of light with specific wavelength (388 nm), converts light energy into chemical energy to endow the photocatalyst with strong oxidizing capacity on the surface, can oxidize and decompose various organic compounds and mineralize partial inorganic substances, and has antibacterial effect;
under light irradiation, the photocatalyst absorbs light energy equal to or less than band gap energy, and excites the surface of the photocatalyst to generate electrons (e-) and holes (h +). The electrons and the holes have strong reducing and oxidizing capability, can react with water or stored oxygen to generate hydroxyl radicals (OH) and super anions (O), have strong oxidizing capability, and can almost cut off and decompose all chemical bonds forming organic molecules, so that various harmful chemical substances and malodorous substances can be decomposed or subjected to harmless treatment, and the effects of purifying air, resisting pollution and deodorizing are achieved.
The characteristics of the photocatalyst are as follows:
(1) the comprehensiveness: the photocatalyst can effectively degrade pollutants such as formaldehyde, benzene, toluene, xylene, ammonia, TVOC and the like, has high-efficiency broad-spectrum disinfection performance, and can decompose and harmlessly treat toxins released by bacteria or fungi.
(2) Persistence: in the reaction process, the photocatalyst can not change and lose, can continuously purify pollutants under the irradiation of light, and has the advantages of lasting time and continuous action.
(3) Safety: the paint is non-toxic and harmless, and is safe and reliable to human bodies; the final reaction products are carbon dioxide, water and other harmless substances, and secondary pollution can not be generated.
(4) High efficiency: the photocatalyst can remove and purify the diffused environmental pollutants in a low concentration state by utilizing inexhaustible light energy such as solar energy and the like.
In summary, the above problems can be solved by using zeolite as a carrier, nano-biological essence and photocatalyst as main antiviral elements, and fully combining non-woven fabric raw materials to prepare an anti-RNA virus fabric.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a nano biological anti-RNA virus fabric and a preparation method thereof, the nano biological anti-RNA virus fabric takes zeolite as a carrier, can adsorb bacteria and viruses in an internal net structure of the zeolite carrier almost without dead angles, takes nano biological essence and photocatalyst as main antiviral elements to kill the viruses, and achieves the effect of efficiently killing the viruses; meanwhile, the addition of the photocatalyst component enables the fabric to generate hydroxyl radicals (OH) and super anions (O) under illumination, further killing viruses is achieved, the application range of the fabric is further expanded, and the fabric effectively copes with the air transmission of RNA viruses.
The invention provides a nano biological anti-RNA virus fabric, which comprises the following components in parts by weight: 92-97 parts of polypropylene master batch, 2-4 parts of zeolite powder, 0.1-0.5 part of nano titanium dioxide powder and 1-3 parts of traditional Chinese medicinal materials;
the particle size of the zeolite powder is 1-5 microns;
the Chinese medicinal materials include fructus Rhodomyrti, fructus Azadirachta indica, Solanum torvum, radix Rumicis Acetosae, herba Origani, Carthami flos, folium Artemisiae Argyi, lignum Santali albi, herba Houttuyniae, and Scolopendra subspinipes.
The second aspect of the invention provides a preparation method of a nano biological anti-RNA virus fabric, which comprises the following steps:
s1, extracting biological essence:
firstly, weighing the traditional Chinese medicine part in the first aspect of the invention according to the parts by weight;
secondly, extracting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris in the Chinese medicinal part weighed in the first step by adopting an ultrasonic biological extraction method, firstly, cleaning and airing the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris, then sequentially putting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris into an ultrasonic extraction instrument to extract for 30min at the frequency of 20HZ, then, filtering and distilling the extract, and storing the treated extract in a sterile container;
thirdly, sequentially cleaning, crushing, drying and grinding the safflower, the wormwood, the sandalwood, the houttuynia and the shortleaf kyllinga herb in the traditional Chinese medicine part weighed in the first step into nano-grade powder, then fully mixing the nano-grade powder and putting the nano-grade powder into a sealed glass container for later use;
s2, preparation of anti-RNA virus preparation:
firstly, weighing the components of the zeolite powder and the nano titanium dioxide powder in the first aspect of the invention according to the parts by weight;
secondly, putting water with the weight part of 8-10 times of the sum of the components weighed in the first step into a glass or ceramic stirrer in a sterile environment, adding the nano titanium dioxide powder weighed in the first step, then stirring for 10-30 minutes in a closed manner, and putting the mixture into a closed glass or ceramic container;
thirdly, adding the biological essences extracted in the second step and the third step in the S1 into the glass or ceramic container under the aseptic environment, and fully stirring and mixing;
fourthly, adding the zeolite powder weighed in the first step into the glass or ceramic container, fully soaking for 1-2 hours, and then drying at the temperature below 85 ℃ until the water content is less than or equal to 8 percent to prepare a preparation for resisting RNA viruses;
s3, preparation of anti-RNA virus fabric:
firstly, weighing the polypropylene master batch component in the first aspect of the invention according to the weight parts;
and secondly, melting the polypropylene master batches at high temperature, adding the anti-RNA virus preparation prepared in the step S2, fully stirring, spinning, laying a net rope, and hot-pressing and coiling to obtain the anti-RNA virus fabric.
The invention provides a nano biological anti-RNA virus fabric and a preparation method thereof, compared with the prior art, the nano biological anti-RNA virus fabric has the following beneficial effects:
1. the fabric takes the zeolite as a carrier, so that bacteria and viruses can be adsorbed in an internal net structure of the zeolite carrier almost without dead angles;
2. the invention takes nano biological essence and photocatalyst as main antiviral elements to kill viruses, thereby achieving the effect of killing the viruses with high efficiency; meanwhile, the addition of the photocatalyst component enables the fabric to generate hydroxyl radicals (OH) and super anions (O) under illumination, so that further killing of viruses is achieved, the application range of the fabric is further expanded, and the fabric can effectively cope with air transmission of RNA viruses;
3. the fabric of the invention is only one layer, which can effectively resist RNA virus and greatly reduce air resistance, not only can be used for manufacturing anti-RNA virus masks and protective clothing, but also can be widely used in various air conditioner filter elements, thereby not only solving the problem of RNA virus infection when the user goes out outdoors, but also solving the problem of RNA virus infection hidden trouble caused by large population density of residential communities when the user is at home.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
a nanometer biological anti-RNA virus fabric comprises the following components in parts by weight: 92 parts of polypropylene master batch, 4 parts of zeolite powder, 0.5 part of nano titanium dioxide powder and 3 parts of traditional Chinese medicinal materials;
the particle size of the zeolite powder is 1 micron;
the Chinese medicinal materials include fructus Rhodomyrti, fructus Azadirachta indica, Solanum torvum, radix Rumicis Acetosae, herba Origani, Carthami flos, folium Artemisiae Argyi, lignum Santali albi, herba Houttuyniae, and Scolopendra subspinipes.
A preparation method of a nano biological anti-RNA virus fabric comprises the following steps:
s1, extracting biological essence:
firstly, weighing the traditional Chinese medicine part in the first aspect of the invention according to the parts by weight;
secondly, extracting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris in the Chinese medicinal part weighed in the first step by adopting an ultrasonic biological extraction method, firstly, cleaning and airing the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris, then sequentially putting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris into an ultrasonic extraction instrument to extract for 30min at the frequency of 20HZ, then, filtering and distilling the extract, and storing the treated extract in a sterile container;
thirdly, sequentially cleaning, crushing, drying and grinding the safflower, the wormwood, the sandalwood, the houttuynia and the shortleaf kyllinga herb in the traditional Chinese medicine part weighed in the first step into nano-grade powder, then fully mixing the nano-grade powder and putting the nano-grade powder into a sealed glass container for later use;
s2, preparation of anti-RNA virus preparation:
firstly, weighing the components of the zeolite powder and the nano titanium dioxide powder in the first aspect of the invention according to the parts by weight;
secondly, putting 10 weight parts of water which is 10 times of the sum of the components weighed in the first step into a glass or ceramic stirrer in a sterile environment, adding the nano titanium dioxide powder weighed in the first step, then stirring for 20 minutes in a closed manner, and placing the mixture into a closed glass or ceramic container;
thirdly, adding the biological essences extracted in the second step and the third step in the S1 into the glass or ceramic container under the aseptic environment, and fully stirring and mixing;
fourthly, adding the zeolite powder weighed in the first step into the glass or ceramic container, fully soaking for 2 hours, and then drying at the temperature below 85 ℃ until the water content is less than or equal to 8 percent to prepare a preparation for resisting RNA viruses;
s3, preparation of anti-RNA virus fabric:
firstly, weighing the polypropylene master batch component in the first aspect of the invention according to the weight parts;
and secondly, melting the polypropylene master batches at high temperature, adding the anti-RNA virus preparation prepared in the step S2, fully stirring, spinning, laying a net rope, and hot-pressing and coiling to obtain the anti-RNA virus fabric.
Example 2:
a nanometer biological anti-RNA virus fabric comprises the following components in parts by weight: 97 parts of polypropylene master batch, 2 parts of zeolite powder, 0.5 part of nano titanium dioxide powder and 1 part of traditional Chinese medicinal material;
the rest is the same as in example 1.
Comparative example:
compared with the example 1, the comparative example has fewer traditional Chinese medicinal materials, and correspondingly lacks the preparation of the biological extract essence in the preparation method, and other components and the preparation method are the same as the example 1.
Comparative example:
compared with example 1, the non-woven fabric of the comparative example has 100% polypropylene and does not contain any other formulation components.
Effect test: and (3) detecting the activity rate of the anti-new coronavirus:
inspecting samples: the fabrics prepared in examples 1-3 and comparative example;
and (3) killing viruses: novel coronavirus (SARS-CoV-2) MDCK cells;
the detection method comprises the following steps: dividing the samples to be inspected into 6 parts, the sizes of the samples are 5mm by 5mm, carrying out MDCK cell inoculation on novel coronavirus (SARS-CoV-2) under the constant temperature, constant humidity and sterile environment, dividing the samples to be inspected into 3 parts after inoculation, respectively carrying out incubation under the irradiation of a common white light lamp and a common white light lamp, and detecting the logarithmic value of the virus titer after 2 hours, thereby obtaining the activity rate of the anti-new coronavirus;
the results are shown in tables 1 and 2:
TABLE 1 detection results of the activity rate of anti-new coronavirus under the irradiation of common white light lamp
TABLE 2 detection results of the activity rate of anti-new coronavirus without irradiation of the conventional white light lamp
And (4) conclusion:
1. the antiviral activity rates of the two examples 1 and 2 are both more than 99% under the irradiation of a white light lamp and without the irradiation of the white light lamp; 2. the antiviral activity rates of examples 1 and 2 were slightly higher under white light irradiation than without white light irradiation; 3. the antiviral activity rate of the comparative example can still reach more than 98% under the irradiation of a white light lamp, and is obviously higher than that under the irradiation of no white light lamp;
from the above 3 points, the Chinese medicinal material biological essence component can effectively resist RNA virus, and further improve the antiviral activity rate with the assistance of the nano titanium dioxide powder.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (2)
1. The nano biological anti-RNA virus fabric is characterized by comprising the following components in parts by weight: 92-97 parts of polypropylene master batch, 2-4 parts of zeolite powder, 0.1-0.5 part of nano titanium dioxide powder and 1-3 parts of traditional Chinese medicinal materials;
the particle size of the zeolite powder is 1-5 microns;
the Chinese medicinal materials include fructus Rhodomyrti, fructus Azadirachta indica, Solanum torvum, radix Rumicis Acetosae, herba Origani, Carthami flos, folium Artemisiae Argyi, lignum Santali albi, herba Houttuyniae, and Scolopendra subspinipes.
2. A preparation method of a nano biological anti-RNA virus fabric is characterized by comprising the following steps:
s1, extracting biological essence:
firstly, weighing the traditional Chinese medicine part in the first aspect of the invention according to the parts by weight;
secondly, extracting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris in the Chinese medicinal part weighed in the first step by adopting an ultrasonic biological extraction method, firstly, cleaning and airing the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris, then sequentially putting the hypericum, the neem, the solanum torvum, the morinda citrifolia and the origanum vulgaris into an ultrasonic extraction instrument to extract for 30min at the frequency of 20HZ, then, filtering and distilling the extract, and storing the treated extract in a sterile container;
thirdly, sequentially cleaning, crushing, drying and grinding the safflower, the wormwood, the sandalwood, the houttuynia and the shortleaf kyllinga herb in the traditional Chinese medicine part weighed in the first step into nano-grade powder, then fully mixing the nano-grade powder and putting the nano-grade powder into a sealed glass container for later use;
s2, preparation of anti-RNA virus preparation:
firstly, weighing the components of the zeolite powder and the nano titanium dioxide powder in the first aspect of the invention according to the parts by weight;
secondly, putting water with the weight part of 8-10 times of the sum of the components weighed in the first step into a glass or ceramic stirrer in a sterile environment, adding the nano titanium dioxide powder weighed in the first step, then stirring for 10-30 minutes in a closed manner, and putting the mixture into a closed glass or ceramic container;
thirdly, adding the biological essences extracted in the second step and the third step in the S1 into the glass or ceramic container under the aseptic environment, and fully stirring and mixing;
fourthly, adding the zeolite powder weighed in the first step into the glass or ceramic container, fully soaking for 1-2 hours, and then drying at the temperature below 85 ℃ until the water content is less than or equal to 8 percent to prepare a preparation for resisting RNA viruses;
s3, preparation of anti-RNA virus fabric:
firstly, weighing the polypropylene master batch component in the first aspect of the invention according to the weight parts;
and secondly, melting the polypropylene master batches at high temperature, adding the anti-RNA virus preparation prepared in the step S2, fully stirring, spinning, laying a net rope, and hot-pressing and coiling to obtain the anti-RNA virus fabric.
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Cited By (1)
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| CN115074249A (en) * | 2022-06-14 | 2022-09-20 | 杭州康风生物科技有限公司 | Storage reagent and storage kit for virus detection |
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