150results about How to "Efficient antibacterial" patented technology

The invention discloses a nano silver antibacterial latex pillow or mattress and a preparation method thereof. Tiny air holes are fully distributed on the surface of the nano silver antibacterial latex pillow or mattress, and air is filled into the tiny air holes; and the silver antibacterial latex pillow or mattress has bacterial resistance on aspergillus niger, aspergillus flavus, discolored aspergillus, penicillium citrinum, paecilomyces varioti, herbarium cladosporium, trichoderma viride and chaetomium globasum. The preparation method comprises the following steps of: uniformly mixing nano sliver with natural latex; then respectively adding sulphur, bi(triethoxy propylsilane)tetrasulfide and 2,6-butylethylene-4-methylphenol; uniformly stirring; adding soap and air to generate foams; then adding gelatin; and compressing for moulding. The nano silver antibacterial latex pillow or mattress of the invention combines air permeability, high elasticity and soft touch feeling of the latex with efficient bacterial resistance and broad spectrum sterilizing performance of nano silver and can effectively overcome the defects of easy bacterial generation, difficult air permeation, and the like of a common pillow on the market.

The invention discloses antibacterial nanofibers or master batches and a preparation method thereof, including components of an antibacterial polymer resin solution and the preparation method of the antibacterial nanofibers or master batches. The antibacterial nanofibers or master batches are characterized by being formed through electrostatic spinning, melt-blowing, fibrillation and two-component compound methods on antibacterial polymer resin solution. Photosensitive molecules in the antibacterial nanofibers or the antibacterial master batches are antibacterial, do not generate a dissolution phenomenon, and are high in efficiency, wide in spectrum and antibacterial; the high temperature resistance of an organic antibacterial agent material is effectively provided; and the application range of an antibacterial agent is further expanded.

The invention discloses a preparation method of a long-acting anti-microbial textile. The preparation method concretely comprises the following processes: firstly a desizing or refining process is carried out for the textile, and pretreatment is carried out for the textile by using low temperature plasma; textile which is pretreated is dipped at a room temperature for 10-30 minutes in a mixed finishing solution which comprises a chitosan solution and a silver nitrate solution, the textile is taken out and superfluous finishing solution is rolled out, liquor retention is 100-150%, the textile which is dipped in the finishing solution is transferred into a piece of microwave equipment for carrying out treatment for a certain period of time, after the reaction ends, the textile is taken out and washed with water, and after drying, the anti-microbial textile is obtained. The anti-microbial textile has the advantages of excellent anti-microbial properties, washing resistance, lasting anti-microbial effects, simple preparation technology, and low chemical pollution; the method overcomes the problems of complex processes, bad stability of nanometer silver, bad anti-microbial durability and the like existed in the prior art.

The invention discloses an antibacterial-type nanofiber-based preservative film and a preparation method thereof. The novel antibacterial-type nanofiber-based preservative film which has the excellent mechanical property, can be completely degraded and completely meets the physical performance requirements of preservative films is prepared by taking micro-fibrillated nanocellulose (MFC) and chitosan as raw materials; the preservative film is prepared mainly through the step that ultrasonic blending is performed on the micro-fibrillated nanocellulose (MFC) and an aqueous acetic acid solution of chitosan under the appropriate proportion condition. Compared with a food preservation material on the market, the antibacterial-type nanofiber-based preservative film has the advantages that the production technology is simple, and the preparation cost is low; the preservative film also has the advantages of being efficient, antibacterial, high in air permeability, transparency, bonding property, skin film flexibility and wear resistance and the like, is a new-generation green and environment-friendly type preservative film for replacing an existing plastic preservative film, can serve as a material for packaging food and has the wide application prospect in the field of food packaging films.

The invention relates to the field of medical chemistry, in particular to a method for preparing medicine-carrying polylactic acid surgical sutures. The method for preparing the medicine-carrying polylactic acid surgical sutures includes the steps that polylactic acid medicine-carrying microspheres are firstly prepared, then the polylactic acid medicine-carrying microspheres are loaded onto polylactic acid surgical sutures through a padding method, and the antisepsis and anti-inflammation absorbable surgical sutures with the slow-release function are manufactured. The surgical sutures have the excellent medicine slow-release effect, a medicine sudden-release phenomenon is avoided, and the effective medicine concentration can last for 38 days; in addition, the knot strength and the surface friction coefficient of the polylactic acid surgical sutures obtained after medicine carrying processing are hardly influenced, and original mechanical properties of the surgical sutures are not damaged.

The invention discloses efficient mould-proof, antibacterial, insect-prevention and deodorization functional microcapsules and application thereof. The functional microcapsules are prepared from the following raw materials in parts by weight: 40-50 parts of a normal-temperature sublimation agent, 10-15 parts of an antibacterial agent, 10-15 parts of a deodorization agent, 10-15 parts of an insect-prevention agent, 10-15 parts of a mould-proof gent, 100 parts of a solvent, 600-1000 parts of a slow-release agent, 6000-10000 parts of a diluent, and 0.2-0.25 part of an emulsifier. The functional microcapsules can be prepared according to the formula disclosed by the invention, and shoe packing boxes manufactured by the functional microcapsules has efficient mould-proof, antibacterial, deodorization and insect-prevention functions, and can be used for protecting and packaging shoes leaving the factory and used by consumers to perform sanitary maintenance on the shoes in the future as the period of validity of the shoe packing boxes is long.

A feed additive for promoting the empathena of sow and improving the sexual function and reproduction power of sow is proportionally prepared from 13 raw materials including VE, VA, sodium selenite, biotin, Chinese angelica root, epimedium, motherwort, the chelate (3D) of amino acid and trace elements, etc.

Ceramic products possessing antisepsis and water mineralization and activation functions, and its preparation method and uses, wherein the ceramic product is prepared from the following ingredients (by weight ratio): montmorillonite 25-60 parts, diatomite 10-30 parts, aluminum oxide 5-20 parts, silicon oxide 3-15 parts, calcium carbonate 15-45 parts, multifunctional health ceramic material 5-20 parts, adhesive 9-15 parts through proportioning, disintegrating, mixing, blank making and sintering.

The invention relates to a skin antibacterial foam without washing the hands and a preparation method thereof. The skin antibacterial foam without washing hands is prepared from, by weight, 0.01-2.0%of benzalkonium chloride, 0.01-1.0 % of polyhexamethylene guanidine, 0.05-1.0% of triethyl citrate, 0.05-2.0% of cocamidopropyl betaine, 0.01-2.0% of alkyl polyglycoside, 0.5-10.0% of humectant, and the balance water. The skin antibacterial foam without washing the hands is obvious in sterilization effect, can reduce the adhesive force of bacteria on the skin surface, and efficiently carries out sterilization and long-acting bacteriostasis; the skin antibacterial foam without washing the hands is nonirritating, good in moisture retention effect, not sticky, high in sense organ comfort, small in component variety, convenient to prepare, relatively low in cost, high in safety, free of toxic and side effect and convenient to use without washing, and can meet people's increasing demands on sanitary safety day by day.

The invention relates to a preservative compounded by a lotus leaf extract and an eleochairis toberosa peel extract and a preparation method of the preservative. The method comprises the following steps: respectively extracting the lotus leaf extract and the eleochairis toberosa peel extract by adopting an ethanol method; respectively purifying the lotus leaf extract and the eleochairis toberosa peel extract by adopting resin; carrying out freeze drying after purifying, so as to obtain extract powder; and mixing the lotus leaf extract powder with the eleochairis toberosa peel extract powder at a certain ratio, so as to obtain the compound preservative. The compound preservative is capable of prolonging the shelf life of fresh meat, cakes and soft cans, and has the advantages of low toxicity, high efficiency, broad-spectrum bacteriostasis and the like.

The invention provides antibacterial paint, anticorrosive paint, an antibacterial and anticorrosive coating and an oil transportation pipeline. The antibacterial and anticorrosive coating comprises a slow-release antibacterial layer and a heavy anticorrosive layer, wherein the thickness of the heavy anticorrosive layer is 50-200 micrometers, and the thickness of the slow-release antibacterial layer is 20-80 micrometers. The inner wall of the oil transportation pipeline is coated with the heavy anticorrosive layer, and the surface of the heavy anticorrosive layer is coated with the slow-release antibacterial layer. Compared with the prior art, the slow-release antibacterial and anticorrosive oil transportation pipeline has the advantages that the defects that an oil transportation pipeline on the market is poor in antibacterial effect and high in cost, and an existing oil transportation pipeline with the antibacterial effect is short in antibacterial life and poor in anticorrosive property are overcome.

The invention provides a wall paint which comprises water, titanium pigment, a natural inorganic material which can adsorb oxymethylene, a combining sodium silicoaluminate and a polymer emulsion of functionality group with a molecular structure which is H2N-CO-NH2. The wall paint provided by the invention comprises the following steps of: firstly carrying out rapid physical adsorption on the oxymethylene through the natural inorganic material and the combining sodium silicoaluminate, then, utilizing the functionality group with the molecular structure which is H2N-CO-NH2 and the oxymethylene to generate a chemical reaction to degrade the oxymethylene, generating an innocuous substance and water, achieving the effect of fully eliminating aldehyde and protection decoration. In addition, polarity which is negative ion nature mineral and an accessory ingredient is also utilized, hydroxy negative ion can realize permanence release, the action of high efficiency antibiosis and eliminating peculiar smell is achieved, and finally, the novel wall paint is formed and has the advantages of fully eliminating aldehyde, protecting wall face, and has a good decorative effect.

The invention discloses a method for preparing biocontrol active liquid seaweed fertilizers, and belongs to the technical field of agricultural bio-fertilizers. The method includes the steps that degummed seaweed dregs are subjected to ultrasonic treatment to obtain a first sample, and then compound enzymes are added into the first sample to carry out reacting; solid-liquid separation is carried out on enzymolysis reactants, and enzymatic hydrolysate is collected; finally, water-soluble chitosan with the degree of deacetylation larger than 90% and water-soluble chitosan oligosaccharide with the molecular weight ranging from 2,000 to 3,000 are added into the enzymatic hydrolysate, and the composite liquid fertilizers are prepared. As the degummed seaweed dregs are subjected to ultrasonic treatment, the structures of fibers can be changed under the acoustic cavitation effect of ultrasonic waves, amorphous regions of the fibers are enlarged accordingly, following enzymatic hydrolysis can be efficiently carried out easily, and the reaction speed and the reaction yield are increased. The oligomerization chitosan and seaweed dreg extract are compounded, the advantages of the two kinds of raw materials are complemented, the fertilizers are more complete in function and higher in fertilizer effect, and the fertilizers prepared with the method are novel seaweed biocontrol fertilizers having the treatment function, the disease preventing function and the nursing function at the same time.

The invention relates to a preparation method of a high-efficiency antimicrobial thermoplastic elastomer, which comprises the following steps: A. sufficiently mixing SEBS (styrene-ethylene-butadiene-styrene) and white oil according to the formula, and uniformly stirring to obtain an expansion mixture; B. sequentially adding PP (polypropylene), ZnSt2, filler and zinc pyrithione into a high-speed stirrer according to the formula, and sufficiently stirring and mixing to obtain a solid mixture; C. in the high-speed stirring state, adding the liquid mixture obtained in the step A into the solid mixture obtained in the step B, sufficiently stirring and mixing, and stopping stirring when the temperature rises to 50 DEG C, thereby obtaining a preplasticized powder mixture; and D. banburying, plasticizing and extruding the preplasticized powder mixture in the step C in a double screw extruder to obtain the product, wherein the technological conditions of the extruder are as follows: the temperature of the first region is 185 DEG C, the temperature of the second region is 195 DEG C, the temperature of the third region is 200 DEG C, the temperature of the fourth region is 205 DEG C, the temperature of the fifth region is 210 DEG C, the temperature of the sixth region is 210 DEG C, the temperature of the seventh region is 200 DEG C, the temperature of the eighth region is 190 DEG C, and the temperature of the head is 195 DEG C.

The invention discloses an anti-aging and wear-resistant rubber material for a tire. The anti-aging and wear-resistant rubber material for the tire is prepared from, by weight, 15-35 parts of natural rubber, 25-35 parts of 320 type chloroprene rubber, 25-35 parts of neoprene, 20-50 parts of modified kaolinite, 0.5-1.5 parts of 616 antiager, 0.2-0.8 part of phosphite, 0.5-1.2 parts of tetramethyl thiuram disulfide, 0.5-1.5 parts of zinc oxide, 1-3 parts of magnesium oxide, 5-15 parts of pumice, 10-18 parts of zinc borate, 1-2 parts of aluminum borate whiskers, 12-18 parts of sodium antimonite, 5-15 parts of aluminum phosphate, 10-20 parts of carbon black, 0.2-0.8 part of polyepoxy soybean oil, 0.1-0.9 part of hydroxyl silicone oil, 1-2 parts of white oil, 1-3 parts of pine tar, 0.2-0.8 part of fatty acid, 0.5-1.5 part of stearic acid and 1-2 parts of 3-aminopropyltrimethoxysilane. The anti-aging and wear-resistant rubber material for the tire is good in wear-resistant and anti-tear performance and excellent in anti-aging performance.

The invention provides a multifunctional antibacterial haze-prevention self-cleaning macromolecule nano composite material and application thereof. The multifunctional antibacterial haze-prevention self-cleaning macromolecule nano composite material comprises 1) a 0.1mg/m<2>-200mg/m<2> organic photocatalysis additive and a 0.1mg/m<2>-20g/m<2> cold catalyst metal oxide so as to provide a macromolecule material with the antibacterial and self-cleaning efficacies, and with the function of framework support; and 2) a 0.1g/m<2>-50g/m<2> nano fiber layer so as to provide the functions of filtering and self-cleaning. The multifunctional macromolecule nano composite material can effectively kill pathogenic bacteria, can filter PM2.5 particulate matter, can remove peculiar smell and has a self-cleaning function simultaneously, can be cleaned, and is applicable to domestic appliances with relevant need, air purification, water purification and industrial filtering application.

The invention discloses a preparation method of a composite antibacterial fiber, which belongs to the field of antibacterial fibers. In the present invention, waste silk and chitosan are mixed, acidified after treatment to obtain acidified silk powder, and then expanded vermiculite is calcined as carrier particles, acidified silk powder is loaded on the carrier particles, and soaked in sodium alginate solution to obtain coating Carrier particles, mixed with cattle feed, fed cattle, modified by the rich microorganisms inside the cattle, collected carrier particles from cow dung, mixed with chitosan, etc., passed through the modified silk, under microwave and ultraviolet irradiation , at the same time supplemented with vermiculite catalysis, it is easier to modify the grafted antibacterial substance, and finally the powder can be obtained by ultrasonic vibration and sieving. The composite antibacterial fiber prepared by the present invention belongs to the natural antibacterial agent, which has high antibacterial effect and is safe for the human body without side effects. Bacteria do not produce drug resistance, the antibacterial performance is stable and long-lasting, and the source of raw materials is abundant, the preparation process is simple, and the cost is low.

The invention discloses a high-efficiency soft PVC antibacterial plastic, comprising, based on the weight part, 100 parts of PVC resin, 0.4 to 0.8 part of zinc pyrithione, 40 to 60 parts of DOP, 0.1 to 0.3 part of Hst, 0.5 to 1.0 part of CaSt, 1.0 to 1.5 parts of calcium-zinc compound stabilizing agent, 0.6 to 0.8 part of methyl tin181 and 5 to 15 parts of filling. The invention also discloses a preparation method for the high-efficiency soft PVC antibacterial plastic. The invention has the advantages: the antibacterial property is high, the antibacterial plastic can effectively inhibit the growth of gram positive and negative bacteria and the mould, the zinc pyrithione is taken as the antiseptic, the production is simple, the cost is lower and the performance is steady.

The invention discloses a multifunctional ES fiber spinning oil. The spinning oil is composed of an antistatic agent, an emulsifier, polyether silicone oil, a bacterial depressant, a bacteriostatic synergist, an acid regulating agent and deionized water. An ES fiber and a non-woven fabric prepared by using the spinning oil have a plurality of functions like repeated hydrophilicity, rapid water seepage and high-efficiency bacteriostasis, are weakly acidic, soft and slippery, are mainly applicable to paper diapers for babies, and can effectively reduce the occurrence probability of diaper rash.

The invention discloses a nano silver collosol preparing method and belongs to the technical field of nano materials. According to the technical scheme, the method includes mixing silver nitrate solution or silver ammonia solution with the mass molar concentration ranging from 0.01 to 1mol/L with poly lysine aqueous with the mass percentage ranging from 0.1% to 1%, at the volume ratio ranging from 1: 10 to 1: 50; stirring and reacting for 30 to 180 min on the condition of temperature of 50 to 100 DEG C, and obtaining the nano silver collosol with the grain diameter ranging from 10 to 100 nm. The preparation process meets the rules that safer reaction reagents and reaction conditions advocated by 'green chemistry', the poly lysine free of harm and toxic services as reducing agent and stabilizer for preparing nano silver, the water services as reaction medium, the preparation process is simple, and the method is safe and environment-friendly.

The present invention provides an antimycotic, antibiotic, antiviral, and preservative-free non-woven fabric product, a diaper, a wet tissue, and a method for manufacturing the antimycotic, antibiotic, antiviral, and preservative-free non-woven fabric product. The antimycotic, antibiotic, antiviral, and preservative-free non-woven fabric product according to the present invention comprises: water; a nano zinc zeolite aqueous solution comprising a zinc zeolite catalyst mixed in the water and having a size of 1 nm to 990 nm; and a non-woven fabric containing the nano zinc zeolite aqueous solution and not containing a preservative.

The invention relates to the technical field of bactericides, in particular to an ultrahigh-efficiency nano-copper antibacterial agent and a preparation method thereof, and aims to provide the ultrahigh-efficiency nano-copper antibacterial agent and the preparation method thereof. The ultrahigh-efficiency nano-copper antibacterial agent has the properties of high antibacterial property, high washability, low cost, environmental friendliness, extremely low consumption of antibacterial raw materials and the like. The ultrahigh-efficiency nano-copper antibacterial agent is composed of core-shelltype copper nanoparticles and a phosphate buffer solution, wherein the weight parts of the core-shell type copper nanoparticles and the phosphate buffer solution are 1*10 <-7> to 2*10 <-5> parts of the core-shell type copper nanoparticles, and 5-95 parts of the phosphate buffer solution; The ultrahigh-efficiency nano-copper antibacterial agent has the beneficial effects that the ultrahigh-efficiency nano-copper antibacterial agent is efficient in antibiosis, and the antibacterial rate can reach 99% or above under the condition that the addition amount of copper is extremely low. The antibacterial textile is efficient and washable, the maximum washing frequency range is 10 times to 100 times, and different application fields are met.