38results about How to "Good antibacterial rate" patented technology

The invention provides antibacterial anti-static polyacrylonitrile fibers and a manufacture method thereof. The manufacture method comprises the following steps: performing wet spinning on a hybrid material aqueous solution loaded with nano-silver, which is taken as an additive, and polyacrylonitrile. Meanwhile, the invention also provides a method for preparing the hybrid material aqueous solution loaded with nano-silver, and the method comprises the following steps: stirring and mixing an aqueous solution of carrier molecule A and an aqueous solution of stabilizer molecule B, regulating the pH value of the mixed solution, sequentially dropwise adding a silver ion salt solution and a reducing agent solution into the mixed solution, and stirring, thereby obtaining the hybrid material aqueous solution. The polyacrylonitrile fibers provided by the invention have the characteristics of high antibacterial capacity, lasting antibacterial property and the like, and the inhibition rates of staphylococcus aureus and Escherichia coli are higher than 90%. Meanwhile, the prepared polyacrylonitrile fibers have high anti-static ability and long anti-static time and have long service life.

The invention discloses a preparation method of N-lauroyl-L-alanine. The preparation method comprises the following steps: preparing L-alanine salt, preparing pasty N-lauroyl-L-alanine salt, and preparing an N-lauroyl-L-alanine crude product and the like. The invention further provides application of amino acid in the daily chemical field and industries such as agriculture and medicines. The aminoacid provided by the invention has high performance, and has an obvious effect in the aspects of bacterium inhibition, pesticide removal, peculiar smell elimination and the like.

The invention discloses a compound. The compound is N-lauroyl-L-alanyl-L-alanine or salts of N-lauroyl-L-alanyl-L-alanine, wherein the salts include N-lauroyl-L-alanyl-L-sodium alanine and N-lauroyl-L-alanyl-L-potassium alanine. The compound discloses by the invention has effective effects of bacteriostasis, pesticide removal and the like, and can be widely applied to daily use chemical, agriculture and medicine industry. The invention also discloses three methods for preparing the compound. The product obtained by the method has high yield and is suitable for industrial production.

The invention relates to a durable antibacterial polypropylene composite material and a preparation method thereof. The durable antibacterial polypropylene composite material comprises homo-polypropylene and functional particles in a mass ratio of 100:2-5; the functional particles comprise porous silicate, and an antibacterial agent and a nucleating agent which are loaded in holes of the porous silicate; in the functional particles, the mass ratio of the porous silicate to the antibacterial agent to the nucleating agent is 100:5-15:5-15; the preparation method comprises the following steps of: dispersing the antibacterial agent and the nucleating agent in a solvent, then adding the porous silicate, uniformly stirring the substances, and performing filtering and drying to obtain the functional particles; and putting the homo-polypropylene and the functional particles into a double-screw extruder, and conducting extruding and granulating to obtain the durable antibacterial polypropylene composite material. The prepared product is smooth in surface, has the flame-retardant effect and the antibacterial effect at the same time, does not turn yellow after being used for a long time, does not attenuate the antibacterial property, and is attractive in appearance and low in cost.

The invention relates to a natural antimycotic textile containing tarragon extracts. The textile comprises a base cloth and a microcapsule attached to the base cloth, wherein the microcapsule is prepared from the tarragon extracts, polyvinyl alcohol, glutaraldehyde and an emulsifier. The textile obtained in the invention, which has a strong antimycotic activity, has the characteristics of safety, environmental protection and washing resistance and has a simple preparation technology, is suitable for the industrialized production.

The invention relates to an antibacterial ultraviolet fabric. The antibacterial ultraviolet fabric comprises a base fabric layer, a moisture absorption layer, a mesh ventilating layer and a surface layer; the moisture absorption layer is arranged on the base fabric layer; the mesh ventilating layer is arranged on the moisture absorption layer; a sunscreen layer is arranged on the mesh ventilatinglayer; the base fabric layer is formed by interweaving warp threads and weft threads which are perpendicular to each other; the wrap threads are antibacterial fibres; the antibacterial fibres are modified cellulose acetate with antibacterial monomers grafted on the side chains of cellulose acetate; the surface layer is formed by blending natural fibres which are soaked with modified nano-emulsionand synthetic fibres. According to the antibacterial ultraviolet fabric provided by the invention, excellent performance of ultraviolet resistance and antibacterial property still can be maintained after being washed with water for 50 times.

The invention relates to an amur corktree bark extract-containing natural antibacterial textile. The amur corktree bark extract-containing natural antibacterial textile comprises a base cloth and microcapsules attached to base cloth fibers, wherein the microcapsules are prepared from amur corktree bark extract, polyvinyl alcohol, glutaraldehyde and an emulsifier. The amur corktree bark extract-containing natural antibacterial textile has the advantages of strong antibacterial activity, safety, environmentally friendly characteristic, washing resistance, simple preparation processes and good adaptability for industrialized large-scale production.

The invention relates to a metal ion-enhanced antibacterial polymer and a preparation method thereof. The metal ion-enhanced antibacterial polymer is mainly prepared from, by weight, 0.1-28 parts of ametal ion-enhanced antibacterial composition, 0-30 parts of a functional assistant, 0-5 parts of a dispersant and 100 parts of a polymer material; and the metal ion-enhanced antibacterial compositionis composed of 100 parts of at least one metal inorganic compound, 0.1-50000 parts of an antibacterial and mildew-proof agent and 0-4000 parts of a carrier. The metal ion-enhanced antibacterial composition is introduced into the antibacterial polymer of metal ion-enhanced antibacterial polymer, and metal ions are combined with an antibacterial and mildew-proof agent, so the amount of the antibacterial agent added to the polymer is reduced, the antibacterial polymer has a broad antibacterial effect, is safe, and achieves good balance between fast sterilization and long-lasting slow release, and the raw material cost of the antibacterial polymer is reduced.

The invention relates to a natural anti-microbial fabric containing wrinkled giant hyssop extractive and a preparation method thereof. The fabric comprises base cloth and microcapsules attached to base cloth fibers. The microcapsules are made of wrinkled giant hyssop extractive, polyvinyl alcohol, glutaraldehyde and emulsifying agents. The fabric is strong in anti-microbial activity, has the advantages of being safe, environment-friendly and washing-resistant, and is simple in preparation technology and suitable for industrial production.

The invention discloses regenerable antibacterial protective fabric and a preparation method thereof and belongs to the technical field of medical textile materials. The regenerable antibacterial protective fabric comprises a base cloth layer, an elastic transition layer and a composite protective layer are arranged sequentially above the base cloth layer, the composite protective layer is superfine fiber formed by compositing modified polyolefin elastomer and polyurethane elastomer; the modified polyolefin elastomer is prepared by subjecting polyolefin elastomer to N-(3-dimethylaminopropyl)methylacrylamide grafting modification and chloramination; the elastic transition layer is made with polyurethane elastomer by: applying the pre-prepared elastic polyurethane superfine fiber suspensionand a superfine fiber suspension sequentially to the surface of the base cloth layer and performing chloramination. The chloramination prepared herein is applicable to the field of medical protections, such as preparation of protective garments, protective gloves or protective shoe covers.

The invention relates to a natural antifungal textile containing a tangerine peel extract and a manufacturing method thereof. The natural antifungal textile comprises base cloth and microcapsules which are attached to the fibers of the base cloth, wherein the microcapsules are prepared from the tangerine peel extract, polyvinyl alcohol, glutaraldehyde and an emulsifier. The textile manufactured with the method has high antibacterial activity, has the characteristics of safety, environmental friendliness and laundering durability, has a simple manufacturing process, and is suitable for industrial mass production.

The invention discloses preparation and application of a novel amino acid self-assembled supermolecular polymer. The self-assembled supermolecular compound is N-lauroyl-L-alanyl-L-alanine or salts thereof, and the salts of the N-lauroyl-L-alanyl-L-alanine comprise sodium N-lauroyl-L-alanyl-L-alaninate and potassium N-lauroyl-L-alanyl-L-alaninate. The polymer disclosed by the invention has more effective antibacterial and pesticide removing effects and the like, and can be widely applied to industries such as daily chemistry, agriculture and medicine. The invention further discloses three preparation methods of the compound. The methods are high in product yield and applicable to industrial production.

The invention relates to an in-situ preparation method of an antibacterial cellulose film, the antibacterial cellulose film prepared with the method and an application of the antibacterial cellulose film. The method comprises steps as follows: cellulose pulp boards are crushed, and cellulose powder is obtained; the cellulose powder is dissolved in a compound solvent formed by an ionic liquid and zinc chloride, and a cellulose solution is obtained; the cellulose solution is left to stand for defoaming and applied to a substrate material to form a cellulose solution layer, and the cellulose solution layer is levelled; the substrate material coated with the cellulose solution layer is put in a sodium hydroxide solution, so that cellulose is solidified and regenerated; a coagulating bath is subjected to ultrasonic treatment, and nano zinc oxide modified wet cellulose film is obtained and cleaned; the cleaned wet film is aired at the room temperature, and nano zinc oxide modified dry cellulose film is obtained; the dry cellulose film is put in an oven to be heated, and the antibacterial cellulose film is obtained. The antibacterial cellulose film overcomes the defects of long manufacturing time and poor antibacterial performance of zinc oxide modified dry cellulose films in the prior art and is more practical.

The invention relates to a natural antibacterial textile containing fructus forsythiae extractive. The textile comprises a base cloth and a microcapsule attached to the base cloth fiber, wherein the microcapsule is prepared from fructus forsythiae extractive, polyvinyl alcohol, glutaraldehyde and emulsifier. The textile prepared by the invention has strong antibacterial activity and characteristics of safety, environmental friendliness and washing resistance; besides the preparation technology is simple and suitable for large scale industrialized production.

The invention discloses an antibacterial coating for a mouse. The antibacterial coating for the mouse comprises the following raw materials in parts by weight: 42-48 parts of polylactic acid, 28-34 parts of dispersible glue powder, 14-20 parts of silver-loaded nanocellulose, 8-12 parts of an antibacterial improving agent, 12-18 parts of an adhesion promoting agent, 8-12 parts of alumina silicate fiber, 5-9 parts of clay level mica powder, 4-8 parts of erionite powder, 5-9 parts of jack fruit grease, 3-5 parts of sodium pyrophosphate, and 12-16 parts of deionized water. The antibacterial coating for the mouse is high in antibacterial performance and is suitable for the mouse and is high in use value and has a good application prospect.

The invention provides a durable antibacterial antistatic woolen sweater finishing agent. The finishing agent is prepared by compounding the following raw materials: ester-based quaternary ammonium salt, copper omadine, N-alkyl betaine, polyvinyl alcohol, alkyl polyglycoside, citric acid, isothiazolinone, white carbon black, ADK ABDO-200, bentonite, hydroxypropyl methylcellulose, sodium polyacrylate and deionized water. Woolen sweater fabric treated by the finishing agent has excellent durable antibacterial antistatic properties, and a finished woolen sweater is soft and comfortable. The woolen sweater further has an anti-yellowing property, the formula of the finishing agent is optimized, the raw material amount is less, and the cost is low.

The invention relates to a coptis extract-containing natural antibacterial textile and a preparation method thereof. The coptis extract-containing natural antibacterial textile comprises a base cloth and microcapsules attached to base cloth fibers, wherein the microcapsules are prepared from coptis extract, polyvinyl alcohol, glutaraldehyde and an emulsifier. The coptis extract-containing natural antibacterial textile has the advantages of strong antibacterial activity, safety, environmentally friendly characteristic, washing resistance, simple preparation processes and good adaptability for industrialized large-scale production.

Belonging to the field of textile technology, the invention provides a fabric with antibacterial and rapid moisture conduction functions. The fabric with antibacterial and rapid moisture conduction functions includes a base cloth layer and a moisture conduction layer and an antibacterial layer that are arranged on the base cloth layer in order, the base cloth layer utilizes different blending of rib stitches to form a smooth surface on one side and a concave-convex surface on the other side, the smooth surface is interwoven to the moisture conduction layer, the moisture conduction layer is formed by interweaving of warps and wefts, and uniformly distributed air holes can be formed during interweaving of warps and wefts, both the warps and wefts adopt multiple blended yarn, which is formedby blending of soybean fibre and bamboo carbon polyester fiber, the antibacterial layer is made of ultra-fine fiber formed by compounding of a modified polyolefin elastomer and a polyurethane elastomer, and the modified polyolefin elastomer is composed of a product obtained by graft modification of N-(3-dimethylaminopropyl)methacrylamide to a polyolefin elastomer and chloroamination treatment. According to the invention, by means of the structure and materials, the fabric has good moisture conduction and antibacterial effects.

The invention discloses a traditional Chinese medicine antibacterial PU foaming shoe material with good moisture absorption performance and a preparation method thereof. The material is prepared fromthe following raw materials in parts by weight: 80-90 parts of polyurethane, 10-14 parts of styrene-ethylene-butadiene-styrene block copolymer, 4-6 parts of polyethylene oxide, 4-6 parts of epoxidizedsoybean oil, 2-2.6 parts of fructus cnidii, 1.4-1.8 parts of dandelion, 2.4-3.6 parts of carboxymethyl cellulose, 1.8-2.2 parts of 4-methylbenzenesulfonyl hydrazine, 0.6-0.75 part of triethylene diamine, 0.08-0.1 part of triallyl isocyanurate, 5-9 parts of a filling material, 1.2-1.6 parts of zinc oxide, 2.5-4 parts of stearic acid and 1.5-2.7 parts of zinc stearate. The traditional Chinese medicine antibacterial PU foaming shoe material with the good moisture absorption performance is small in density and light in weight; the antibacterial rate is high, and the antibacterial performance is good; the tensile strength is high and the mechanical property is good; the resilience rate is high, the compression set rate is low, and the elasticity is good; the comprehensive performance is excellent, and durability and antibiosis are achieved.

The invention discloses a magnetic therapy mattress system, and relates to the technical field of magnetic therapy mattresses, the magnetic therapy mattress system comprises a mattress body, and the mattress body is provided with a tencel and aloe knitted fabric layer, a functional fiber layer, a permanent magnetic strip layer, a latex layer, an independent spring layer and a solid wood bed boardin sequence from top to bottom; the tencel and aloe knitted fabric layer is prepared from the following components in parts by weight: 30 to 40 parts of tencel, 15 to 20 parts of aloe and 30 to 40 parts of polyester; a plurality of flexible broadband permanent magnetic strips which are distributed at equal intervals in the length direction of the mattress body are arranged in the permanent magnetic strip layer; the independent spring layer is provided with a plurality of spring columns distributed in an array mode, and the spring columns are connected with independent spring sleeve bags in a sleeved mode. According to the magnetic therapy mattress system, the annular elastic cushions are wound on the outer sides of the independent spring sleeve bags, and the permanent magnet springs are annularly wound on the annular elastic cushions, so that the adjacent spring columns form a mutual extrusion effect and a supporting effect through the annular elastic cushions when being extruded by ahuman body, the use comfort of the magnetic therapy mattress is remarkably improved, and the magnetic therapy mattress has a good rebound resilience effect.

The invention belongs to the technical field of processing of plastic products and particularly relates to a processing method capable of prolonging the antibacterial effect of a plastic product. The method comprises the following steps: mixing raw materials of the plastic product at the weight ratio and carrying out banburying to obtain a banburyed product; adding polyvinyl alcohol impregnated fiber which is equivalent to 2.5-3.2% of total weight and carrying out heat-preservation stirring under the condition of 50-60 DEG C for 50min; and carrying out banburying at 105-115 DEG C for 5min, pelleting and putting the product into a mold for molding. According to the method, multiple layers of non-soluble antibacterial substances wrap the surface of polyvinyl alcohol fiber by using multiple crosslinking, the antibacterial substances reach the sterilization target under the action of electric field attraction and are good in persistence, the bacteriostatic rate reaches 99.99-100%, the antibacterial substances are used for the plastic products such as home appliances, and the bacteriostatic rate retentivity is relatively good after long-term use or repeated wiping for multiple times. The polyvinyl alcohol impregnated fiber basically does not affect the appearance and the mechanical property of a quality material, and is easy to popularize and use.

The invention discloses a preparation method of a medical titanium alloy. The preparation method comprises the following steps that 70%-75% by mass of titanium metal powder, 20%-23.6% by mass of tantalum metal powder, 1.5%-2.2% by mass of iron metal powder and 3.1%-5% by mass of silver metal powder are mixed and added into a vacuum ball-milling tank, ball milling is carried out for 3.5 h-5 hours, vacuumizing is conducted on the ball-milling tank, then argon is charged, and the operation is repeated for three times to ensure that no air exists in the vacuum ball-milling tank; and the mixed metal powder obtained in the step S1 is placed in a graphite crucible, sintering is conducted on a spark plasma sintering system, the sintering temperature ranges from 880 DEG C to 920 DEG C, the sintering time ranges from 25 min to 50 min, pulse current is turned on for 1.5 min to 2 min every 5 min in the sintering process, 32 MPa to 35 MPa axial pressure is continuously applied, the vacuum degree of the system is kept to be 5 Pa to 10 Pa, and furnace cooling is conducted after sintering is finished.

The invention relates to a biologic guanidine derivative organic silver bactericidal ball. Main components comprise nano silver ion colloid, silicon figuline, a polymerization guanidine derivative, protein coagulative enzymes and mortar; and the main components are calcined and refined into a ball by a multi-time compounding and adsorption technology according to proportions. The biologic guanidine derivative organic silver bactericidal ball is suitable for the disinfection of water and various domestic appliance products and is especially suitable for the disinfection of a water heater, a washing machine and a water fountain. The product performance index of the organic silver biologic bactericidal ball reaches an edible level, and the biologic guanidine derivative organic silver bactericidal ball has no color, no odor, no toxicity, no harm, no stimulation, no corrosiveness and high sterilization efficiency and is in an organic biologic level and a green environment-friendly type.

The invention provides a durable antibacterial antistatic woolen sweater finishing agent. The finishing agent is prepared by compounding the following raw materials: ester-based quaternary ammonium salt, copper omadine, N-alkyl betaine, polyvinyl alcohol, alkyl polyglycoside, citric acid, isothiazolinone, white carbon black, ADK ABDO-200, bentonite, hydroxypropyl methylcellulose, sodium polyacrylate and deionized water. Woolen sweater fabric treated by the finishing agent has excellent durable antibacterial antistatic properties, and a finished woolen sweater is soft and comfortable. The woolen sweater further has an anti-yellowing property, the formula of the finishing agent is optimized, the raw material amount is less, and the cost is low.

The application discloses a magnetic therapy mattress system, which relates to the technical field of magnetic therapy mattresses, and includes a mattress body, which is sequentially provided with a Tencel aloe knitted fabric layer, a functional fiber layer, a permanent magnetic Strip layer, latex layer, independent spring layer and solid wood bed board; Described tencel aloe knitted fabric layer comprises the tencel that is 30-40 parts by weight, the aloe vera of 15-20 parts and the polyester of 30-40 parts; The permanent magnetic strip layer is provided with a plurality of flexible broadband permanent magnetic strips distributed at equal intervals along the length direction of the mattress body; the independent spring layer is provided with a plurality of spring columns distributed in an array, and the spring columns are sleeved with independent Spring bagging. In this application, the annular elastic pad is wound on the outside of the independent spring bag, and the permanent magnetic spring is annularly wound on the annular elastic pad, so that when the adjacent spring columns are squeezed by the human body, the effect of mutual extrusion and support is formed through the annular elastic pad. , thereby significantly improving the use comfort of the magnetic therapy mattress, which has the effect of good resilience.

The invention relates to a probiotic cat litter capable of deodorizing and inhibiting bacteria and a preparation method thereof, belonging to the technical field of cat litter preparation. In the present invention, compound probiotic powder with a specific ratio, combined with auxiliary materials such as calcium bicarbonate and sodium alginate, can automatically absorb water and agglomerate when encountering cat urine, and can automatically raise the temperature to keep cats warm and self-sterilize The deodorizing effect has broad application prospects.

The invention relates to the technical field of reverse osmosis membrane materials, in particular to a polyamide reverse osmosis membrane, a preparation method and application thereof, the polyamide reverse osmosis membrane comprises a polymer porous support membrane and a polyamide functional layer compounded on the surface of the polymer porous support membrane; wherein zinc-doped carbon quantumdots and gamm-polyglutamic acid / chitosan nano particles are uniformly distributed in the polyamide functional layer; the preparation method comprises the following steps: adding zinc-doped carbon quantum dot particles and gamma-polyglutamic acid / chitosan nano particles into an aromatic polyacyl chloride oil-phase solution and / or a polyamine water-phase solution, and uniformly dispersing; and dip-coating one side of the polymer porous support membrane with an aqueous phase solution, then dip-coating the same side with an oil phase solution, extruding with a rubber roller, carrying out heat treatment, and rinsing with deionized water. The polyamide reverse osmosis membrane has the advantages of being large in water flux, high in rejection rate, good in antibacterial rate, long in service life, resistant to ultraviolet rays and the like, and can be suitable for long-time and high-load work in a special working condition environment.

The invention relates to a natural antibacterial textile containing the extract of Baikal skullcap root and a preparation process thereof. The textile comprises a base cloth and microcapsule attached to fibers of the base cloth, wherein, the microcapsule is prepared from the extract of Baikal skullcap root, polyvinyl alcohol, glutaraldehyde and emulsifier. The textile prepared in the invention has high antibacterial activity and the characteristics of safety, environmental protection and laundering durability; a preparation process for the textile is simple and is suitable for industrial large scale production.

The invention discloses an environment-friendly woolen sweater antibacterial finishing agent and a preparation method thereof. The environment-friendly woolen sweater antibacterial finishing agent comprises the following components in percentage by weight: 3wt%-7wt% of a dandelion water extract, 60wt% of caesalpinia, 5wt%-9wt% of an ethanol extract, 3wt%-8wt% of a radish seed ethyl acetate extract, 2wt%-4wt% of chitosan, 8wt%-13wt% of sodium stearyl lactate, 3wt%-7wt% of normal butanol and the balance of water. The preparation method comprises the following steps: crushing, drying, extracting, mixing, stirring and the like. The woolen sweater finished by the antibacterial finishing agent prepared by the method has excellent antibacterial property.