48results about How to "Has antibacterial and antibacterial function" patented technology

The invention relates to a bacterial-cellulose dressing with antibacterial and bacteriostatic functions and a preparation method as well as application thereof, and belongs to the field of biomedical materials. The dressing comprises bacterial cellulose and nano zinc oxide, wherein the nano zinc oxide is loaded onto the bacterial cellulose in the manner of a reaction in-situ. The preparation method comprises the following steps of after the bacterial cellulose is subjected to swelling treatment to some extent, reacting the bacterial cellulose with an acid anhydride in an anhydrous solvent for modification, and then, loading the nano zinc oxide inside the bacterial cellulose through the reaction in-situ, and sufficiently cleaning and drying a product to obtain the bacterial-cellulose dressing with the antibacterial and bacteriostatic functions. In the procedures of the method, the modification extent of the bacterial cellulose can be effectively controlled; the effective and stable loading of the nano zinc oxide is realized; the obtained product is stable in performances, and can be stored for a long time. The obtained bacterial-cellulose dressing with the antibacterial and bacteriostatic functions has favorable biocompatibility, and can be applied to a body-surface wound surface with certain adaptation diseases.

The invention relates to the technical field of natural latex, and in particular, relates to a natural latex preserving method and a prepared latex product. The natural latex preserving method comprises that bamboo charcoal is added in natural latex for preservation. The natural latex preserving method provided by the invention adopts the bamboo charcoal for preserving the natural latex, so that an ammonia stabilizer cannot be added in the natural latex or can be added with a little amount, no ammonia or low ammonia preservation is implemented, the preserved natural latex has relatively small pungent odor or even has no pungent odor, and moreover, the preservation shelf life is not affected. The latex product provided by the invention has antibacterial and bacteriostasis functions, and has small pungent odor and long preservation shelf life. In addition, the latex product provided by the invention also has a far infrared function, and can promote microcirculation of a human body; and moreover, the latex product has excellent mechanical properties, adsorption function and moisture absorption and sweat releasing functions, has excellent application performance, and is beneficial for wide application of the natural latex.

The invention discloses a preparation method of a bacterial cellulose dressing with antibiosis and bacteriostasis functions. The dressing comprises bacterial cellulose, chitosan and 3-aminopropyltriethoxysilane, and the bacterial cellulose is biologically modified by chitosan and then grafted with 3-aminopropyltriethoxysilane, and the material is washed and dried to obtain the bacterial cellulosedressing having antibiosis and bacteriostasis functions. The method adopts the biological modification and a chemical grafting method to impart excellent antibiosis and bacteriostasis functions to thebacterial cellulose dressing, and avoids the use of a nano silver material with latent risk, and the use of chitosan and 3-aminopropyltriethoxysilane with certain healing and auxiliary treatment as antibiosis and bacteriostasis materials provides a good effect on the field of wound dressing. The dressing obtained by the invention has the advantages of long antibacterial time, simple process, easyindustrialization, and is suitable for popularization and use.

The invention discloses a lightweight antibacterial sportswear fabric. The lightweight antibacterial sportswear fabric is weaved by warps and wefts. The warps are 40-60% of the fabric in weight; the wefts are 40-60% of the fabric in weight; the warps and the wefts are blended yarns of tencel fibers and linen fibers, wherein the tencel fibers are 40-50% of the blended yarns in weight, and the linen fibers are 50-60% of the blended yarns in weight. Therefore, the fabric has the advantages of excellent hygroscopicity, flexicity and elegant property, light weight, comfort, good toughness, antibacterial property and environmental protection and cannot pill easily.

The invention discloses a novel anti-yellowing agent and a preparation method thereof, wherein the novel anti-yellowing agent comprises, in parts by mass, 13-45 parts of an adamantane formylhydrazinederivative, 3-12 parts of alkylol amine, 2-8 parts of 1,2-aminoazophenylene, 3-15 parts of o-acetylsalicylic acid, 1-10 parts of lauryl alcohol polyoxyethylene ether, 10-40 parts of urea and 30-60 parts of distilled water; the adamantane formylhydrazine derivative is N-(chloroacetyl)-adamantane formylhydrazine or N-(2-phenylamino-acetyl)-adamantane formylhydrazine. The novel anti-yellowing agent has the advantages of low cost, no containing of harmful by-products (especially ADH), lasting anti-yellowing effect and no formaldehyde adsorption risk, and meets the environmental-protection requirements.

The invention discloses a material preparation process suitable for utilizing unbleached wood pulp to prepare dissolving pulp in a modified mode. The process comprises procedures of raw material preparation, dispersion, slicing, impregnation and the like. Specific to unbleached wood pulp raw materials, special process steps and process control parameters are utilized so that the purposes of improving quality of end products, energy saving and emission reduction can be achieved, armour fiber content, yield and whiteness of the end products can be improved, ash content of the end products is reduced, cost control of chemical liquid drug is facilitated, the curve of temperature rising in the follow-up cooking process is stable, poly reduction is even, prepared semi-finished products are suitable for various cooking modes, and the material preparation process has a wide application range.

The invention provides regenerated cellulose fibers and a preparation method thereof. The regenerated cellulose fibers are characterized in that the dry fracture strength is more than or equal to 1.85CN/dtex; the wet fracture strength is more than or equal to 0.90CN/dtex; the residual sulfur content is less than or equal to 25.0mg/100mg; and the whiteness is 20-60%. The preparation method comprises the following process flows: cooking, adjusting the degree of polymerization, performing acid treatment, performing papermaking, impregnating, squeezing, crushing, ageing, yellowing, dissolving, filtering, defoaming, spinning, cutting, refining, drying and packaging. The regenerated cellulose fibers are also characterized in that the natural ingredients of plant raw materials are kept, the fibers show natural khaki without any dyeing treatment, and the whiteness is 20-60%. The fibers are soft in hand feeling, natural in luster and color, have good skin affinity, completely meet 'technical requirements on ecological textiles' (articles in direct contact with skins), and are significant in bacteriostatic and antibacterial effects, so that a novel type of fiber is provided for the textile field.

The invention discloses a pair of graphene far-infrared intelligent temperature-control insoles and a pair of shoes, and belongs to the field of intelligent shoes. Each insole comprises an electric heating layer which is arranged in layered spiral structures and a specially prepared graphene polyamide fiber material, wherein the graphene polyamide fiber material is prepared from the following rawmaterials in parts by weight: 1-3 parts of graphene, 2-4 parts of tourmaline powder, 5-8 parts of sericite, 25-50 parts of aminocaproic acid, 5-10 parts of polyoxyethylene alkyl ether and 75-150 partsof caprolactam. The graphene heating insoles and the shoes provided by the invention, due to the adoption of intelligent temperature-control systems, can achieve heating as required, and meanwhile, the shoes and the insoles, which adopt graphene polyamide fiber fabrics, have functions of resisting and inhibiting bacteria, achieving a far-infrared performance and the like; and the functionality cannot be attenuated in a using process.

The invention discloses a material preparation process for preparing dissolving pulp by modifying bleached needle leave wood and broadleaf wood composite pulp. The process comprises the steps of preparing raw materials, dispersing, splicing, soaking and the like, specific process steps and process control parameters are adopted for composite pulp material of the bleached needle leave wood and the bleached broadleaf wood, so that the quality of a final product is improved, the energy is saved, the emission is reduced, the content, the yield and the whiteness of alpha cellulose in the finished product are improved, the ash content of the alpha cellulose is reduced, and a cost control of chemical liquid medicine is facilitated, a subsequent cooking heating curve is stable, degree of polymerization is uniformly decreased, the obtained semi-finished product is suitable for all kinds of cooking manners, and the application range is wide.

The invention discloses a material preparation technology applied in preparation of dissolving pulp by modifying bleached wood pulp. The technology comprises the procedures of raw material preparation, dispersion, slicing, dipping and the like. Specific process steps and process control parameters thereof are adopted for a bleached wood pulp raw material, so that the aims of improving the quality of the finished product, saving energy and reducing emission can be fulfilled, the alpha cellulose content, the yield and the whiteness of the finished product are improved, the ash content is reduced, cost control of chemical agents is facilitated, and the subsequent digestion temperature rise curve is stable and uniform in sharp drop; the prepared semi-finished product can be applied to various digestion modes; and the technology is wide in application range.

The invention discloses antibacterial flame-retardant ultraviolet curing matte finish paint, which comprises the following raw materials: 10-20 parts by weight of epoxy acrylic resin, 10-20 parts by weight of flame-retardant acrylic resin, 30-50 parts by weight of an acrylate monomer, 3-5 parts by weight of a photoinitiator, 0.5-3 parts by weight of an antibacterial agent, 10-20 parts by weight of matting powder, and 1-2 parts by weight of an auxiliary agent. The preparation method comprises the steps of adding 10-20 parts by weight of epoxy acrylic resin, 10-20 parts by weight of flame-retardant acrylate, 15-25 parts by weight of an acrylate monomer and 1-2 parts by weight of an auxiliary agent, uniformly stirring, adding 3-5 parts by weight of a photoinitiator, 10-20 parts by weight of matting powder and 0.5-3 parts by weight of an antibacterial agent, and dispersing at a high speed, finally, adding the residual acrylate monomer, continuously stirring until the materials are completely and uniformly mixed, and keeping in a dark place. According to the embodiment of the invention, the finish paint can be instantly cured under ultraviolet rays, is used on a floor roller coating assembly line, meets the requirements of combustion performance grades of decoration materials on hardness, adhesive force, scratch resistance and wear resistance, and has antibacterial and bacteriostatic functions.

The invention discloses a multifunctional combination wallet, which is formed by combining an outer box and an inner wallet, wherein the outer box comprises a box bottom and a box cover, and is made of an antimagnetic and antibacterial metal material; the inner wallet is a three-folded structure, is made of a leather material, and is subjected to antibacterial processing by leather antibacterial before being processed; the outer box is provided with an anti-theft chain rope, and the wallet can be hung on chests, wrists, leather belts or in clothes pockets according to different lengths, widthsand textures of the chain ropes; and in addition, the outer box is designed and changed in structure, and is combined with jewels, disinfectant, perfume and Chinese medicinal herbs so as to form conventional type, jewel type, disinfecting type, flavor type, student type, driver type and anti-cold type series products. Compared with the marketed wallets, the multifunctional combination wallet hasvarious advantages of diversified function, small volume, convenient carrying, losing and theft prevention, antibiosis, bacteriostasis, magnet prevention, durability, energy conservation, environmental protection and the like.

The invention discloses a fluoride-free self-cleaning coating as well as a preparation method and application thereof. The super-hydrophobicity of the coating disclosed by the invention is synergistically generated by a graphene wrinkle structure, a microstructure of nano-scale silicon dioxide and chemical modification of chlorosilane. The preparation method of the super-hydrophobic self-cleaning coating has the advantages of being environmentally friendly, simple in process, low in cost, wide in applicability and the like, and is suitable for industrial production. The coating provided by the invention has self-cleaning, antistatic, anticorrosive and antibacterial functions, and has wide application prospects in the fields of aviation, electric power, energy and the like.

The invention discloses a multifunctional glasses cloth. The multifunctional glasses cloth comprises base cloth, wherein a microcapsule nanometer silver antibacterial agent is adhered to the cleaned base cloth through a rolled suction method, a mint essence is sprayed on a reverse side layer of the base cloth after antibiotic treatment, the microcapsule nanometer silver antibacterial agent takes xylitol as a core material, and takes arabic gum and gelatin as a wall material. The multifunctional glasses cloth provided by the invention has the advantages that the process is reasonable, and the nanometer silver antibacterial agent is adhered to the glasses cloth, so that the glasses cloth has an antibiotic bacteriostasis function and can be used for effectively cleaning germs on eyeglasses, meanwhile, the mint essence is sprayed on the reverse side layer of the base cloth, and the glasses cloth also has an energizing refreshment action.

The invention discloses a paint formula. The paint formula comprises the following components in percentage by weight: 25-75% of lacquer, 5%-20% of a curing agent, 15%-55% of ink thinner and 2%-50% ofsilver ion powder. The invention further discloses a spraying method based on the paint formula. The paint disclosed by the invention has good antibacterial and bacteriostatic properties, a workpiecesprayed by adopting the paint with the antibacterial and bacteriostatic properties also has the good antibacterial and bacteriostatic properties, the antibacterial and bacteriostatic effects are goodand lasting, and the antibacterial requirements of various workpiece products can be met.

The invention provides an antibacterial and bacteriostatic ceramic coating, and belongs to the technical field of the ceramic industry. The ceramic coating is prepared from, by mass, 55-75 parts of fumed silica, 40-45 parts of magnesium oxide, 28-35 parts of carbon hexoxide, 16-20 parts of copper oxide, 8-12 parts of ammonium dihydrogen phosphate, 5-10 parts of lithium carbonate, 13-19 parts of imidazole, 9-15 parts of thiazoles, 20-60 parts of polyolefin particles, 20-60 parts of caesium auride, 18-22 parts of cyclodextrin, 6-13 parts of cinnamyl aldehyde, 8-14 parts of kieselguhr, 2-6 partsof n-butyllithium, 5-10 parts of cesium hydroxide, 9-18 parts of a surface active agent, 10-18 parts of an anti-aging agent, 26-30 parts of melamine, 16-22 parts of succinic anhydride, 30-39 parts ofpolyacrylic acid and 80-105 parts of deionized water. The ceramic coating has the advantages that the ceramic coating smeared on the surface of ceramic achieves a mould-proof effect on ceramic, and the service life is prolonged.