34results about How to "Good antivirus performance" patented technology

The present invention provides a system, method, and computer-readable medium for identifying malware that is loaded in the memory of a computing device. Software routines implemented by the present invention track the state of pages loaded in memory using page table access bits available from a central processing unit. A page in memory may be in a state that is “unsafe” or potentially infected with malware. In this instance, the present invention calls a scan engine to search a page for malware before information on the page is executed.

The present invention provides a system, method, and computer-readable medium for identifying malware that is loaded in the memory of a computing device. Software routines implemented by the present invention track the state of pages loaded in memory using page table access bits available from a central processing unit. A page in memory may be in a state that is “unsafe” or potentially infected with malware. In this instance, the present invention calls a scan engine to search a page for malware before information on the page is executed.

The invention relates to a virus-killing waterproof breathable film and a preparation method thereof. The virus-killing waterproof breathable film comprises the following components in parts by weight: 70-85 parts of a polytetrafluoroethylene master batch, 2-9 parts of a nano filler, 4-7 parts of a plasticizer, 15-22 parts of modifier, 0.5-1.5 parts of a heat stabilizer, 10-12 parts of a coalescing agent, 1-2 parts of a pore-forming agent and 5-14 parts of nano silver-copper alloy particles. The particle size of the nano-silver copper alloy particles ranges from 15 nm to 50 nm, and copper metal atoms on the outer surfaces of the nano-silver copper alloy particles form copper oxide. According to the waterproof breathable film, specific nano-silver copper alloy powder particles are added into a tetrafluoroethylene base material to serve as a sterilizing and virus killing agent; compared with the existing natural antibacterial agent, organic antibacterial agent and inorganic antibacterialagent, the antibacterial effect is better; and according to the invention, super bacteria and viruses can be resisted and killed, and the killing effect on escherichia coli and staphylococcus aureusrepresenting conventional strains, methicillin-resistant staphylococcus aureus representing super bacteria and currently known coronaviruses reaches 90% or above.

The invention discloses a flame-retardant, antitoxic and anti-chemical fabric and a manufacturing method thereof. The fabric sequentially comprises an outer layer, a middle layer and an inner layer from the outside to the inside, and the layers are sequentially connected; the outer layer adopts a flame-retardant polyolefin film; the inner layer adopts any one of an ePTFE film, a flame-retardant TPU film, a flame-retardant TPEE film, a flame-retardant PVC film, a flame-retardant polyolefin film, a flame-retardant PU coating, a flame-retardant PVC coating, a PVDC coating and a PVDF coating; andthe middle layer is composed of a flame-retardant fiber fabric and a polyhaloolefin film. The fabric has the advantages of excellent hazardous chemical substance penetration resistance, good anti-toxicity, good flame retardancy and light weight. The overall thickness of the fabric is 1.0-2.5 mm, the gram weight is less than 550 g / m<2>, the fabric can resist mustard gas penetration for 72 h or more, can resist chemical substance penetration for 8 h or more, and has an afterflame time of 10 s or less, a smoldering time of 10 s or less and a damaged length of 100 mm or less. The method is simple,and is easy to implement.

The invention discloses a multilayer composite adhesive tape preventing chemicals from penetrating and a preparation method thereof. The multilayer composite adhesive tape is prepared by coating aramid fiber base cloth with multiple rubber, concretely, one surface of the base cloth is coated with a fluorubber layer, and the other surface of the base cloth and the surface of the fluorubber layer are both coated with a chloroprene rubber layer. The preparation technology of the multilayer composite adhesive tape comprises preparing base cloth, coating one surface of the base cloth with the fluorubber layer, performing semi-sulfuration, coating the two surfaces of the coated base cloth with the chloroprene rubber layer, performing complete sulfuration, and obtaining the finished product adhesive tape. The multilayer composite adhesive tape employs aramid fiber fabric resistant to both acids and alkalis, possesses strong physical mechanical performances and is better than a nylon material. The multilayer composite adhesive tape has relatively strong acid and alkali resistance and chemical toxic agent resistance, and has the protection time up to 4 h. The multilayer composite adhesive tape has relatively good flame retardation performance, and can work at a high temperature. The multilayer composite adhesive tape employs chloroprene rubber and fluorubber as coating materials, is low in cost and superior in antitoxin performance.

The invention relates to a mask, particularly to a novel window type mask convenient for wearing of single hand disabled personnel. The novel window type mask comprises a frame which is shaped like a Chinese character hui; the frame is formed by an outer frame and an inner frame; the inner frame is provided with filtering materials; the inner side of the inner frame is provided with supporting strips which are used for supporting the filtering materials; the outer frame and the head of a human body are fixed through a fixing part; the contact surface of the outer frame and the human face is provided with silica gel strips or foam sponges. The novel window type mask convenient for the wearing of the single hand disabled personnel has the advantages of being convenient to use, comfortable in wear, easy to operate, attractive in appearance, small in ventilation resistance and the like.

The invention discloses a virus-killing non-woven fabric, a preparation process thereof and a protective garment using the non-woven fabric. The non-woven fabric is made of a virus-killing polypropylene composite and is prepared from the following components in percentage by weight: 95-99 percent of polypropylene and the balance of a nano-silver-copper alloy material, wherein the nano-silver-copper alloy material is formed by mixing nano-silver-copper alloy particles with a particle size being 15-50nm, an atom form of copper metal on the outer surface of the alloy material is copper oxide, andthe nano-silver-copper alloy material is prepared from the following components in percentage by weight: 40-80 percent of silver and the balance of copper. For the protective garment using the non-woven fabric, detected that the antibacterial rates to escherichia coli and staphylococcus aureus representing conventional strains as well as methicillin-resistant staphylococcus aureus representing super bacteria all reach 99 percent or above.

The invention discloses stone-like coating added with ginger nut sand. The stone-like coating is prepared from the following raw materials in parts by weight: 200-300 parts of pure acrylic emulsion-pure acrylic copolymer emulsion; 56-100 parts of an elastic emulsion; 3-7 parts of a coalescing agent; 3-7 parts of ethylene glycol monobutyl ether; 20-60 parts of steel slag powder; 550-780 parts of ginger nut sand; 30-60 parts of nano tourmaline powder; 5-10 parts of a carbomer dispersion liquid; 4-10 parts of lithospermum oil; 2-5 parts of a defoaming agent; 70-120 parts of 2% hydroxyethyl cellulose; 3-7 parts of a thickening agent; proper amount of purified water. The stone-like coating is attractive, environment-friendly and excellent in waterproof performance, and can effectively protect abuilding from being eroded by a severe environment, so that the service life of the building is prolonged; the stone-like coating not only has good weather resistance and is suitable for various regions, but also is simple and convenient to construct, time-saving and easy to dry, the flexibility of the coating is enhanced, and the stone-like coating has good stain resistance and antibacterial activity.

The invention discloses a poison-proof knitted fabric and a production method thereof. The production method of anti-virus knitted fabric includes the step of weaving carbon-doped yarn and covered silk into a knitted grey fabric; wherein, the carbon-doped yarn and covered silk are woven in a quantity ratio of 1-2:1; organizational structure It is a plain stitch structure, a changed plain stitch structure or a rib structure; the covered yarn is a wrap made by using spandex filament as the core yarn and covering the spandex filament with other chemical fiber filaments except spandex. Core yarn; the carbon-doped yarn is a single yarn prepared from acrylic vinyl chloride fiber and optional other fibers. The invention can form the anti-virus knitted fabric with better anti-virus performance, better air-permeability and higher value of bursting strength by forming the carbon-doped yarn with lower strength.

The invention discloses polyurethane-based environment-friendly flame-retardant anticorrosive paint and a preparation method of the paint. The polyurethane-based environment-friendly flame-retardant anticorrosive paint is prepared from the following raw materials in parts by weight: 60 to 70 parts of polyurethane, 30 to 40 parts of epoxy resin, 5 to 10 parts of pigment, 20 to 35 parts of solvent, 3 to 8 parts of mica powder, 4 to 7 parts of polyethylene polyamine, 3 to 8 parts of aliphatic dibasic acid ester, 20 to 30 parts of graphene and 2 to 4 parts of additive. Polyurethane has good stability, chemical resistance, rebound resilience and mechanical properties, has smaller compression deformation, and has good heat insulation and anti-poison properties, so that the flame retardance and corrosion resistance of the paint can be improved. The paint is environment-friendly, safe, good in flame retardant effect, capable of avoiding damage of a high-temperature environment, capable of protecting coated objects and avoiding corrosion of the coated objects, compact in coating layer and good in protection effect.

The invention relates to a thermal insulation and soundproof glass microfiber cotton for aviation and a preparation method thereof. The glass microfiber cotton includes ultrafine glass fiber cotton, a modified single-component water-based resin, a coupling agent and a water-based color paste. The fine glass fiber cotton is composed of glass microfibers with three kinds of rapping degrees SR°49±1, SR°34±1 and SR°24±1, and the modified single-component water-based resin includes Class A and Class B, wherein, Class A is modified water-based phenolic resin, and Class B is modified water-based polyurethane resin. The mixed solution B obtained by uniformly mixing Class B modified one-component water-based resin and coupling agent, and Class A modified one-component water-based resin The mixed solution A evenly mixed with the water-based color paste, the mixed solution B and the mixed solution A are coated on the surface of the glass microfiber in two steps and formed into a glass microfiber cotton, which has good softness, strong hydrophobicity, and mechanical properties. High-strength, heat-insulating and sound-insulating glass microfiber wool for aviation use.

The invention discloses a corpse conserving agent and a preparation method thereof. The corpse conserving agent comprises the following raw materials with the following volume content: 150 to 400 parts of formaldehyde, 60 to 200 parts of benzoic acid-ethyl alcohol solution, 20 to 100 parts of sodium acetate solution, 10 to 120 parts of acetone, 3 to 80 parts of glacial acetic acid and 0.5 to 1.5 parts of perfume. The benzoic acid-ethyl alcohol solution is formed by benzoic acid dissolved in 95 percent ethyl alcohol, and the sodium acetate solution is formed by sodium acetate dissolved in distilled water. The preparation method comprises the following steps: (1) taking the benzoic acid to dissolve in the 95 percent ethyl alcohol so as to form the benzoic acid-ethyl alcohol solution and then shaking evenly; (2) taking the sodium acetate solution to dissolve in the distilled water so as to form the sodium acetate solution and then mixing uniformly; and (3) mixing and shaking the formaldehyde, the acetone, the benzoic acid-ethyl alcohol solution, the sodium acetate solution and the glacial acetic acid, and finally dropping the perfume. By using the corpse conserving agent of the invention, only individual positions of the corpse are required to be injected, without corpse immersion, therefore, the purposes of short-term corpse corrosion protection and preservation can be achieved,the toxic action of formaldehyde can be reduced, and the corpse conserving agent has the advantages of mold prevention, security and corrosion protection, stable performance and no pollution to the surrounding environment.

The invention discloses a degradable antiviral material and its preparation method and its application on a mask, comprising the following steps: S1, stirring and dissolving polyol surfactant, absorbable polymer and benign solvent in proportion to obtain A solution ; S2, adding nano-titanium dioxide to the A solution, and obtaining a suspension after stirring; S3, heating the suspension to remove the solvent, and after a certain period of heat preservation reaction, a degradable composite material is obtained; S4, combining the degradable composite material with the inhibitor The bacterial agent is ground into ultrafine powder; S5, adding the ultrafine powder into a solvent to form a composite colloid solution; S6, pouring the composite colloid solution into a mold, and forming it to obtain it. The invention uses the degradable polymer material as the matrix, utilizes its own degradability and the self-catalytic degradation performance of nano-titanium dioxide, and avoids the problem of secondary pollution caused by the refractory degradation of conventional protective mask materials.

The invention discloses a flame-retardant anti-virus anti-chemical fabric and a manufacturing method thereof. The fabric includes an outer layer, a middle layer and an inner layer from the outside to the inside, and the layers are connected in sequence; the outer layer is made of flame-retardant polyolefin film; the inner layer is made of ePTFE film, flame-retardant TPU film, flame-retardant Any one of TPEE film, flame retardant PVC film, flame retardant polyolefin film, flame retardant PU coating, flame retardant PVC coating, PVDC coating or PVDF coating; the middle layer is made of flame retardant fiber fabric and polyester Composed of halogenated olefin film; the fabric has excellent anti-hazardous chemical permeability, good anti-toxicity and flame retardancy, and is light and thin. The overall thickness of the fabric is 1.0‑2.5mm, and the weight is less than 550g / m 2 , Anti-mustard gas penetration time ≥ 72h, anti-chemical penetration time ≥ 8h, after-burning ≤ 10s, smoldering ≤ 10s, damage length ≤ 100mm. The process of the method is simple and easy.

The invention provides a high-temperature-resisting structural adhesive film capable of being stored for a long time at the room temperature and a preparation method thereof and relates to a structural adhesive film and a method for preparing the adhesive film. The structural adhesive film and the method for preparing the adhesive film aim to solve the problems that an existing structural adhesive film is short in room temperature storage life, and combusted smoke is high in toxin. The adhesive film is composed of polybenzoxazine resin, a toughening agent, modifier, a heat conduction material, a coupling agent, inorganic filler and a carrier. The preparation method includes the steps that firstly, process modifier and toughening modifier are subjected to prepolymerization in a reaction kettle, then the polybenzoxazine resin is added and stirred to be uniform, and modified polybenzoxazine resin is obtained; then, the modified polybenzoxazine resin is subjected to vacuum kneading with the silane coupling agent, the heat conduction material and the inorganic filler through a kneading machine, and an adhesive material is obtained; finally, the adhesive material is subjected to hot pressing with the carrier on an adhesive film calender to be made into the film, and the high-temperature-resisting structural adhesive film can be obtained. The high-temperature-resisting structural adhesive film has the advantages of being flame retardant, low in smoke, low in toxin, capable of achieving complete curing at the temperature of 185 DEG C, high in adhesion strength and good in high temperature resistance; the adhesive film is stored for 180 days at the room temperature, and process performance and adhesion performance maintain unchanged.

The invention relates to a brominated butyl / chlorinated butyl rubber composition for gas masks. The composition comprises the following components in parts by weight: 100 parts of rubber matrix, 50-60 parts of carbon black N220, 5 parts of zinc oxide, 0.1-0.5 part of sulfur, 1 part of stearic acid, 1-4 parts of plasticizer (paraffin oil: DOP (dioctyl phthalate): DBP (dibutyl phthalate) is 2: 1: 1), 2 parts of promoter, 1 part of anti-aging agent and 0.5 part of anti-scorching agent, wherein the rubber matrix is composed of brominated butyl rubber and chlorinated butyl rubber. As for vulcanized rubber prepared by using the brominated butyl / chlorinated butyl rubber composition, the tensile strength is 18.50MPa, the elongation at fracture is 539%, the 300% stretching strength is 9.30MPa, the tearing strength is 39.45kN.m<-1>, the Shore hardness is 54, the tension set is 10%, and the brittleness temperature is -50 DEG C; and after the vulcanized rubber is aged in hot air (70 DEG C * 72h), the tensile strength is 17.91MPa, the elongation at fracture is 569%, the aging coefficient achieves 100%, the sustainable time of resisting mustard gas of the vulcanized rubber is greater than 3600min, and the comprehensive performances of the vulcanized rubber can completely meet the performance requirements of cover body materials of the gas masks.