38results about How to "Has antibacterial and antiviral effects" patented technology

The invention discloses an antibacterial and antiviral CoCrCuFeNi high-entropy alloy and an in-situ alloying method employing selective laser melting and application thereof, and belongs to the technical field of high-entropy alloys. The in-situ alloying method employing selective laser melting of the antibacterial and antiviral CoCrCuFeNi high-entropy alloy comprises the following steps: mixing pre-alloyed CoCrFeNi powder and Cu powder to obtain mixed powder; flatly laying the mixed powder layer by layer; and carrying out selective laser melting by adopting laser as an energy source. According to the method, the selective laser melting technology is combined with the antibacterial and antiviral high-entropy alloy, and in-situ alloying is achieved in the selective laser melting process, so that the alloy development efficiency is improved, and the homogeneous single-phase face-centered cubic high-entropy alloy is obtained, and the quasi-equal-atomic-ratio CoCrFeCuNi high-entropy alloy with broad-spectrum antibacterial and antiviral capacity and good mechanical property is prepared.

The invention discloses an environmentally friendly camellia seed detergent and a preparation method thereof. The detergent is prepared through compounding and matching a raw material extract liquid refined from camellia seed meal, water and sodium carbonate with a nonionic surfactant and a gemini surfactant, and adding sodium chloride, essence and an antiseptic. Tea saponins in the camellia seed meal is compound and matched with the gemini surfactant, so the disadvantages of oil residual and weak decontamination capability of the camellia seed meal directly used as a washing product are overcome, and the problems of strong irritation and environmental pollution of completely chemically synthesized detergents are improved. The detergent disclosed in the invention has the advantages of simple synthesis process, no substances destroying environment or difficult to decompose, safety, environmental protection, excellent detergency, good removal ability on various oils, and good stability.

The invention discloses an anti-virus filter layer prepared from copper-containing chitosan fibers, and relates to the technical field of sanitary protection articles. A preparation process of the copper-containing chitosan fibers comprises the following steps of immersing chitosan fibers in a soluble copper salt solution, performing circulation reaction for a period of time, soaking with an organic solvent, centrifuging and dehydrating, and drying to obtain the copper-containing chitosan fibers; and preparing the anti-virus filter layer of the copper-containing chitosan fibers from the copper-containing chitosan fibers through a non-woven process. The invention further discloses application of the anti-virus filter layer of the copper-containing chitosan fibers in the sanitary protectionarticle. The anti-virus filter layer and the application thereof have the beneficial effects that a mask prepared by an anti-virus filter layer fabric of the copper-containing chitosan fibers has a good filtering effect on particles such as bacterial viruses and a good killing effect on the bacterial viruses residing on the mask simultaneously, the protection effect can be further enhanced, and the mask can also be used for daily anti-haze or respiratory infection disease protection.

The invention provides a synthesis method for spherical nano-silver particles and the spherical nano-silver particles. The synthesis method for the spherical nano-silver particles comprises the steps that lemon grass extracts are prepared, the lemon grass extracts and water are evenly mixed for obtaining a lemon grass extracting solution, and the pH value of the lemon grass extracting solution is regulated to be alkaline; a soluble silver slat solution and a starch solution are prepared and evenly mixed for obtaining a silver salt mixed solution; and alkaline the lemon grass extracting solution and the silver salt mixed solution are evenly mixed and react at a set temperature for a set period of time, so that a solution containing the spherical nano-silver particles is obtained. According to the synthesis method for the spherical nano-silver particles and the spherical nano-silver particles, the problems that according to an existing synthesis method for spherical nano-silver particles, pollution can be caused, and the environmental friendliness requirement cannot be met can be solved; and in addition, the synthesis cost is low, the synthesized spherical nano-silver particles are small in diameter and high in antibacterial ability.

The invention discloses a multifunctional composite board for furniture. The composite board comprises a base plate layer, an antibacterial layer, a flame-retardant layer, a fading-resistant layer andan easy-to-clean layer, wherein the base plate layer is a PPC base plate layer or a PVC base plate layer; the antibacterial layer is an adhesive layer which contains nano-metal powder and adhesive resin, wherein the adding ratio (by weight) of the nano-metal powder to the adhesive resin is at 3: 1; the flame-retardant layer contains TPE resin and polycarbonate, wherein the adding ratio (by weight) of the TPE resin to the polycarbonate is at 2: 3; the fading-resistant layer contains waterborne polyurethane resin and a fixing agent, wherein the adding ratio (by weight) of the waterborne polyurethane resin and the fixing agent is at 4: 1; and the easy-to-clean layer contains coconut oil powder, polypropylene and acetyl tributyl citrate, wherein the adding ratio (by weight) of the coconut oilpowder to the polypropylene to the acetyl tributyl citrate is at 1: 2: 1. The multifunctional composite board provided by the invention integrates functions of resisting bacteria, resisting flame, resisting fading and making it easy to clean.

The invention discloses a novel antibacterial and antiviral preparation, a resin, a decorative paper and a plate, and belongs to the technical field of furniture plates. A preparation method of the novel antibacterial and antiviral plate is simple, polyether alkali metal salt is prepared by catalyzing ring opening of ethylene oxide, polyether sulfonate is prepared and synthesized by catalyzing ring opening of 1, 3-propane sultone, the polyether sulfonate is compounded with an antifungal agent and a plant extract to prepare an antibacterial and antiviral preparation, and the ratio of all components is reasonably adjusted to synthesize the melamine formaldehyde resin, so that the resin is compatible with a preparation, and the plate with antibacterial and antiviral effects is prepared by utilizing a gum dipping process and a high-temperature and high-pressure pressing process. The preparation process is simple, green and environmentally friendly and has remarkable economic benefits, and the preparation, the resin, the decorative paper and the plate have long-acting antibacterial and antiviral performance, are environmentally friendly and healthy, effectively resist corrosion and dirt and prolong the service life of board furniture.

The invention provides a feed for preventing ectoparasites of trachinotus ovatus. The feed comprises the following components in parts by weight: 30-35 parts of steamed fish meal, 10-20 parts of hermetia illucens insect, 8-16 parts of antarctic krill powder, 10-20 parts of soybean meal, 10-20 parts of pig plasma protein, 10-15 parts of flour, 5-10 parts of yeast extract, 6-10 parts of compound grease, 0.5-0.6 part of compound mineral, 0.1-0.2 part of compound vitamin and 0.15-0.25 part of Australian eucalyptus tereticornis plant essential oil. The feed for preventing ectoparasites of trachinotus ovatus is rich in amino acids, small peptides, high unsaturated fatty acids and other nutrients required by growth of the trachinotus ovatus, can promote rapid growth of the trachinotus ovatus, andcan effectively prevent and treat ectoparasites of the trachinotus ovatus, improve survival rate and immunity, and effectively protect animal health.

The invention provides a medicament for treating acne and belongs to the field of a Chinese medicament preparations. The invention provides a medicament for effectively treating acne. The medicament is prepared from the following raw materials by mass: 150 to 300 of rhubarb, 150 to 300 of dried rehmannia, 100 to 120 of dwarf lilyturf tuber, 50 to 120 of safflower, 20 to 60 of dark plum fruit, 50 to 150 of red paeony root, 100 to 150 of figwort root, 50 to 120 of common scouring rush herb, 50 to 150 of white mulberry root-bark, 50 to 100 of salvia miltiorrhiza bunge, 780 to 950 of cane sugar, 10 to 20 of limianthes alba, 10 to 20 of giant typhonium rhizome, 10 to 20 of gray hair, 10 to 20 of white muscardine silkworm, 2 to 12 of divaricate saposhnikovia root, 5 to 15 of ageratum, 10 to 20 of Mongolian snakegourd root, and 10 to 20 of mung bean.

The invention relates to a preparation method of long-term antibacterial and fresh edible coating liquid, and belongs to the technical field of food processing. TP (tea polyphenol) extract liquid is taken as a raw material, by adding casein and theaflavin extracts, the long-term antibacterial and fresh edible coating liquid is prepared, TP is subjected to a complexation reaction with proteins in casein, precipitation will be formed under the action of hydrophobic-hydrogen bonding, with degree of association increasing, complexes show colloidal properties, and the solubility of the complexes will be changed with temperature; furthermore, the proteins are precipitated after phenolic hydroxyl groups interacting with the proteins and amino acids, so that the TP has the effects of sterilization, antivirus and the like. The complexation reaction is invertible. Curcumin has the double activity of oxidation loving and anti-oxidation, and has certain inhibitory effect on most of the bacteria and the inhibitory effect is significant, which is a good natural antibacterial agent and can effectively improve antibacterial energy of the edible coating liquid and preservation time of food.

The invention relates to the technical field of light industry textile, in particular to a preparation method of washable 5A-grade antibacterial and antiviral graphene fiber and a fiber product. The preparation method comprises the following steps: firmly combining an antiviral group and an antibacterial group on the fiber in a chemical bond manner by grafting modification and chemical modification methods, so as to obtain modified fiber with antibacterial and antiviral properties; reprocessing the modified fiber by a dipping method and a padding method through graphene finishing liquid so as to obtain the antibacterial and antiviral graphene fiber or fiber fabric. The fiber or fiber fabric and the fiber product prepared from the fiber or fiber fabric have antibacterial and antiviral effects, have various advantages of graphene fabric, and can be widely applied to the fields of infant products, underwear, bedding articles, homewear, home textile towels, socks, masks, medical supplies, health and epidemic prevention, military supplies and business.

The invention discloses a food additive and belongs to the technical field of the food industry. The food additive comprises raw materials as follows: a Chinese olive extract, a dragon fruit anthocyanin extract, glycosidase, pectinase, cellulase, beta-glucanase, amylase, starch, maltodextrin, acetic acid, butyric acid, dodecyl ester acid and fermentation florae. The food additive is prepared through steps of Chinese olive extraction, dragon fruit extraction, mixing, drying and the like. Chinese olive effective ingredients extracted with the method are high, contain rich substances such as polyphenols and flavonoids and have high antibacterial, anti-corrosion and antioxidant capacity, the dragon fruit anthocyanin extract is added to the food additive, as anthocyanin belongs to flavonoids, the total flavonoid content of the food additive is further increased, and the free radical scavenging capacity and the antioxidant capacity of the food additive are improved.

The invention belongs to the technical field of textiles, and particularly relates to a preparation method of antibacterial, antiviral and flame-retardant fabric. The preparation method of the antibacterial, antiviral and flame-retardant fabric comprises the steps that an antibacterial and antiviral modifying agent is sprayed onto dyed PET fiber and cotton fiber, and drying is carried out; the PETfiber and the cotton fiber are mixed evenly to prepare PET / cotton blended yarn, and then weaving is carried out to form PET / cotton blended fabric; and padding of the PET / cotton blended fabric is carried out with an antibacterial, antiviral and flame-retardant modifying agent. According to the preparation method, a two-step method is innovatively adopted to load the antibacterial and antiviral modifying agent and the antibacterial, antiviral and flame-retardant modifying agent onto fibers and fabrics step by step, and each component exerts a synergistic effect, so that the blended fabric prepared by the preparation method has excellent antibacterial, antiviral and flame-retardant properties. The preparation method is low in cost, simple and practicable, and easy to achieve.

The invention discloses a therapeutic device used for mosquito bites. The device comprises a shell, a heating device, a water magnetization device and a water outlet part. The front part of the shell is provided with a water storing cavity, the heating device is arranged in the shell and used for heating water in the water storing cavity, the water magnetization device is arranged in the water storing cavity, the water outlet part is arranged at the front end of the shell and communicated with the water storing cavity, and the front end of the water outlet part is provided with a plurality of water outlets. The therapeutic device has the advantages of being safe and convenient to use on the basis of ensuring the itching and pain relieving effects.

The present invention discloses a wild and domestic hybrid pig growth promoting feed additive which is made of the following materials (parts by weight): 3-8 parts of frankincense, 4-8 parts of Solidago decurrens, 5-10 parts of honeysuckles, 4-10 parts of radices trichosanthis, 5-10 parts of Entada phaseoloides, and 3-9 parts of Panicum paludosum. According to the specific physiological and genetic characteristics of a wild and domestic hybrid pig, authentic Chinese herbal medicines are reasonably chosen in the feed additive, and the prescription has efficacies of eliminating indigestion, strengthening spleen and promoting appetite, regulating qi and circulating blood, and clearing internal heat and toxic material. The feed additive can significantly improve the average daily gain of the wild and domestic hybrid pig, feed conversion and carcass traits, and can significantly reduce the feed / meat ratio. The feed additive is natural and versatile, has no residue and no toxic side effects, and has a simple, safe and reliable preparation method.

The invention discloses a forward permeable membrane cleaning agent and a method for applying the same, and belongs to the technical field of water treatment agents. The forward permeable membrane cleaning agent comprises 0.5-2.0mg / L of silver nano-particle suspension liquid which is dispersed in 0.025%-0.05% of sodium dodecyl benzene sulfonate. The forward permeable membrane cleaning agent and the method have the advantages that the forward permeable membrane cleaning agent is wide in application range and can be used as a forward permeable membrane online reverse cleaning agent instead of absorbing liquid for forward permeable membrane bioreactors; a cleaning process is applicable to forward permeable membranes made of various materials, trace silver nano-particles and partial silver ions released by the silver nano-particles can be transmitted through membrane pores along with reverse washing water under a reverse cleaning effect of the water, accordingly, sterilization effects can be realized for organisms on contamination layers deposited on the surfaces of the membranes, the organisms on the surfaces of the membranes can be inactivated, adsorption effects of the organisms on the surfaces of the membranes can be deteriorated, the organic biological contamination layers on the surfaces of the forward permeable membranes can be effectively removed, and the forward permeable membrane cleaning agent is free of damage to the forward permeable membranes and can be reused; the forward permeable membrane cleaning agent and the method are scientific and reasonable in design and have an important significance on solving the difficult problem of contamination of existing forward permeable membranes and expanding application of the silver nano-particles and the forward permeable membranes.

The invention discloses a loach traditional Chinese herbal medicine feed additive, which is prepared from the following ingredients in parts by weight: 70 parts of eucommia barks, 60 parts of lily bulb, 50 parts of radix astragali, 40 parts of radix codonopsis, 50 parts of liquorice roots, 60 parts of radix scutellariae, 60 parts of honeysuckle flowers and 50 parts of radix isatidis. By using theloach traditional Chinese herbal medicine feed additive, the addition of feed use antibiotics in the loach feed can be replaced; the anti-stress and disease-resistant capability of loaches is obviously enhanced; the bait coefficient is obviously reduced; the fat metabolism is improved; the production performance is improved; the aquatic product quality is improved.

An ocular medical composite is characterized in that the raw materials and weight ratios thereof of the active components in the composite are as follows: 1.0 to15g of bear bile, 50 to 600g of wild chrysanthemum, 0.2 to 1.0g of borax, 1.0 to 15g of boric acid, and 2.0 to 5.0g of sodium chloride. The medical composite has functions of antibiosis and antivirus and treats pinkeye effectively. Besides, the medical composite has the features of relieving itching, improving eyesight and removing eyewinker, clearing away heat and relieving spasm, reducing eyestrain, etc.

The invention provides a medical anti-inflammatory and anti-toxic external cream and a preparation method thereof, which relates to an anti-inflammatory and anti-toxic external cream and a preparation method thereof. The medical anti-inflammatory and anti-toxic external cream is prepared from the following raw materials in parts by weight: 10-20 parts of gromwell, 10-20 parts of curcuma, 10-20 parts of phellodendron bark, 10-20 parts of dyer woad leaf, 10-20 parts of isatis, 10-20 parts of honeysuckle, 10-20 parts of forsythia, 10-20 parts of dandelion, 10-20 parts of cyrtomium fortunei, 10-20 parts of rhubarb, 10-20 parts of giant knotweed, 10-20 parts of radix scutellariae, 20-30 parts of borneol, 40-60 parts of propylene glycol, 150-250 parts of glycerol, 40-60 parts of castor oil, 15-25 parts of Tween 80, 15-25 parts of OP 10 and 25-35 parts of methyl cellulose. The cream provided by the invention is a pure Chinese traditional medicine preparation, can directly act on a focus, has good anti-inflammatory and anti-toxic effects, does not have toxic or side effects, and can be used safely and conveniently.

The invention discloses a method for producing a peanut oil. The method comprises the following steps: pressing peeled peanut kernels to obtain a crude peanut oil A and peanut residues; adding ethanolto the peanut residues, stirring for 20-30 min, and performing supercritical carbon dioxide extraction to obtain a crude peanut oil B; mixing the crude peanut oil A with the crude peanut oil B to obtain a mixed crude oil, and refining the mixed oil to obtain the peanut oil. The method for producing the peanut oil provided by the invention adopts a production process of combining pressing with supercritical carbon dioxide extraction, and improves the purity and yield of the peanut oil; the peanut oil has substantially lossless nutrient components and is a natural green edible oil.

The invention discloses a preparation method of antibacterial and antistatic coating and belongs to the technical field of coating preparation. The preparation method disclosed by the invention has the beneficial effects that montmorillonite and marble contain a large amount of metal oxides such as MgO, CaO and ZnO and the like, the metal oxides are inorganic antibacterial agent and are also goodconducting materials; both tea polyphenol and houttuynin have antibacterial and antiseptic effects, and by the fermenting action, the tea polyphenol and the houttuynin can be combined with inorganic minerals; compared with polyanilines with other structures, the polyaniline with a nanofiber structure has higher conductivity; carbon nanotubes have good mechanical property and electric property simultaneously, and by combination of polyaniline nanofiber with the copper-loaded surface and the carbon nanotubes with the copper-loaded surfaces, the conducting property of the coating is improved, simultaneously the coating has good antibacterial property and wear resistance; by adoption of a special spraying mode for loading copper, the copper can be almost loaded on the surfaces of the polyaniline nanofiber and the carbon nanotubes, so that the antibacterial property and the conducting property are improved and the preparation cost is greatly reduced.

The invention discloses special safe, healthy and low-fatality-rate pig feed which comprises, by weight, 40-60 parts of wheat shorts, 50-70 parts of sleeve-fish ointment, 30-50 parts of tenebrio molitor powder, 10-16 parts of meat and bone meal, 80-90 parts of plant protein additives, 15-25 parts of expanded blood meal, 6-10 parts of modified corn proteins, 2-4 parts of olive oil, 0.6-1 parts of allicin, 0.4-0.6 part of probiotics, 0.06-0.14 part of valine, 0.1-0.2 part of threonine, 1-2 parts of microelements and 2-4 parts of Chinese herbal medicine additives. The pig feed is reasonable in composition and complete in nutrition, live pig eating can be effectively facilitated, protein, vitamin and amino acid nutrition requirements are enhanced, growth requirements of live pigs can be sufficiently met, body types of the live pigs are improved, lean meat percentage is improved, meat quality is improved, the fatality rate of the live pigs is reduced, and the pig feed has remarkable economic benefits.

The invention discloses an antibacterial and antiviral detergent for fabrics and a preparation method thereof. The detergent comprises the following components in percentage by weight: 10-20% of a nano titanium oxide dispersion liquid, 10-30% of a nano zinc oxide dispersion liquid, 20-50% of a silver ion antibacterial liquid, 1.0-10.0% of citric acid and the balance of water. Fabric cleaned by thedetergent provided by the invention becomes functional protective clothing capable of effectively resisting klebsiella pneumoniae, staphylococcus aureus, candida albicans and influenza viruses, and the fabric can resist to 30 or more times of washing.

The invention belongs to the field of livestock and poultry feed and relates to feed for a Sanhuang chicken and a preparation method thereof. The feed for a Sanhuang chicken is prepared from 40-50 parts by weight of soybeans, 15-25 parts by weight of peanut cake, 20-35 parts by weight of fish meal, 3-10 parts by weight of composite vitamins, 10-15 parts by weight of dried small shrimps, 10-20 parts by weight of sesames, 10-25 parts by weight of edible fungus, 10-20 parts by weight of pine nuts and 1-5 parts by weight of traditional Chinese medicine powder. The traditional Chinese medicine powder comprises, by weight, 3-6 parts of swamp mahogany leaves, 3-6 parts of common fibraurea stems, 3-6 parts of Chinese osbeckia herb, 0.5-1 part of fingered citron, 0.5-1 part of banksia rose, 0.5-1 part of maple leaves, 2-5 parts of fleece-flower root and 0.5-1.2 parts of radix angelicae sinensis. The feed reduces a Sanhuang chicken morbidity rate, greatly improves a Sanhuang chicken survival rate and a meat yield and improves Sanhuang chicken meat quality and taste.

The invention belongs to the technical field of textiles, and in particular relates to a preparation method of an antibacterial, antiviral and flame-retardant fabric. The preparation method of the antibacterial and antiviral flame-retardant fabric comprises the steps of spraying the antibacterial and antiviral modifier onto the dyed PET fiber and cotton fiber respectively, and drying; mixing the PET fiber and cotton fiber evenly Finally, the step of making PET / cotton blended yarn, and then weaving to form PET / cotton blended fabric; the step of padding the PET / cotton blended fabric with an antibacterial, antiviral and flame-retardant modifier. The invention innovatively uses a two-step method to load the antibacterial and antiviral modifier and the antibacterial and antiviral flame retardant modifier on the fiber and fabric step by step, and each component plays a synergistic effect, making the blended fabric of the present invention It has excellent antibacterial, antiviral and flame retardant properties. The invention has low cost, simple and easy preparation method and easy realization.

The invention relates to the field of drugs, and particularly relates to an anti-cold traditional Chinese medicine granule. The anti-cold traditional Chinese medicine granule is characterized by comprising the following traditional Chinese medicine raw materials in parts by weight: 12-16 parts of radix bupleuri, 10-14 parts of radix scutellariae, 8-10 parts of chrysanthemums, 6-8 parts of fructus forsythia, 3-5 parts of isatis roots, 5-7 parts of cordate houttuynia, 3-5 parts of raw radix glycyrrhizae, 6-8 parts of cinnamon, 3-5 parts of dry ginger, 10-15 parts of gypsum, 1-3 parts of wild chrysanthemum flowers and 2-4 parts of sweet wormwood. The anti-cold traditional Chinese medicine granule has a good treatment effect on cold, can be used for obviously improving clinical symptoms of fever, aversion to cold, running nose, headache, cough, pharyngalgia and the like, has the effects of expelling wind to resolve the exterior and clearing away heat and toxic materials, is free of side effects, safe to clinically use, convenient to take, easy to accept by the patient, is an effective drug for treating the cold.

The invention provides a medicine for treating acute enteritis, and relates to the field of traditional Chinese medicine preparations. The medicine comprises, by weight, 30-80% of codonopsis subglobosa, 15-40% of folium psidii guajavae and 5-30% of eupatorium adenophorum spreng. The medicine has the advantages that the medicine is low in cost as compared with the traditional anti-inflammatory medicines; the medicine is made of purely natural herbal traditional Chinese medicines and is free of adverse reaction or optional destructive effects on intestinal mucosa as compared with existing medicines for treating the acute enteritis, and comprehensive effects can be realized by the medicine; as verified by experiments, the total effective rate of the medicine can reach 100%, excellent treatment effects can be realized by the medicine, the life quality of patients can be improved, and suffering due to the acute enteritis can be relieved.

The invention discloses a hot spring sanitary wet tissue formula. The hot spring sanitary wet tissue formula comprises the following main components: a piece of non-woven fabric, and wet tissue solution, wherein the wet tissue solution comprises 99% of hot spring water, 0.5% of herbal enzyme and 0.5% of PHMB. According to the hot spring sanitary wet tissue formula in the invention, due to comprehensive compatibility of the components, such as the hot spring water, the herbal enzymes and the PHMB, the effects of promoting skin blood circulation, improving metabolism and killing bacteria are achieved; and thus, the hot spring sanitary wet tissue formula in the invention has the advantages of being high in functionality, capable of improving metabolism and capable of achieving sterilization.

The invention provides a surgical instrument cleaning fluid prepared from raw materials in parts by weight as follows: 22-28 parts of common rush, 10-20 parts of cypripedium Sp., 8-12 parts of Gardneria angustifolia Wall., 12-16 parts of Asplenium prolongatum Hook., 15-19 parts of Sedum leucocarpum Franch., 12-16 parts of all-grass of irisleaf oberonia, 5-9 parts of hypochlorite and 2-4 parts of sodium dodecyl sulfate. The cleaning fluid is prepared with a corresponding preparation method and has the function of cleaning surgical instruments.

The invention discloses flame-retardant down feather composite wadding. The flame-retardant down composite wadding is characterized by made from, by weight, 10-20 parts of duck down, 100-150 parts of viscose stock solutions, 2-4 parts of andrographis paniculata, 1-2 parts of forsythia, 1-2 parts of chrysanthemum indicum, 1-2 parts of cortex phellodendri, 1-2 parts of nano-montmorillonite, 1-2 parts of nano-magnesium hydroxide, 1-2 parts of triethanolamine and 0.03-0.05 part of pentaerythritol oleate. The down composite wadding is good in heat retention property, strength, flexibility and weather resistance, moderate in compressibility, air permeability and moisture permeability, good in flame retardance and good in processability and usability, and has antibacterial and disinfection functions.

The invention discloses an antibacterial, antiviral, high-low-temperature-resistant, moisture-resistant and corrosion-resistant coating. The antibacterial, antiviral, high-low-temperature-resistant, moisture-resistant and corrosion-resistant coating is prepared from the following raw materials: cement, sand, nano-silver, isocyanate and water. The coating is suitable for the surfaces of various base materials; the chemical resistance is excellent; through modification of an inorganic cementing material, the coating can maintain good performance at a high temperature of 160 DEG C and an ambienttemperature between -50 DEG C, has antibacterial and antiviral effects through addition of nano-silver, is especially suitable for hospitals and other occasions, has extremely low VOC, and has a wideapplication prospect.