60results about How to "Good 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 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 relates to rubber composition and discloses novel butyl rubber. The novel butyl rubber comprises components in parts by mass as follows: 100 parts of halogenated diene rubber, 3-10 parts of stearic acid, 1-20 parts of nanoscale titanium dioxide, 2-10 parts of phenolic resin, 1-10 parts of zinc oxide, 0.5-2 parts of a vulcanizing agent and 0.5-1 part of nanoscale silver powder. The vulcanization performance, the mechanical property, the wear resistance, the crosslinking density, the strength, the glossiness and the like of the novel butyl rubber are all improved; meanwhile, the novel butyl rubber has anti-bacterial performance, ultraviolet resistance, ageing resistance and pulverization resistance, has good airtightness and is suitable for being used as a food container.

The invention relates to a chitin/modal/wood fiber multi-fiber blending knitted fabric. The knitted fabric is characterized in that adopted fabric weave is tabby, and the transverse density is 41.7 columns/10 cm; the longitudinal density is 58 rows/10 cm, and the needle size is 12G; yarn is 36S/2 and formed by 50% of modal fiber siro-spinning yarn, 46% of wood fiber siro-spinning yarn and 4% of chitin fiber siro-spinning yarn, and the gram weight is 245 grams/square meter. The chitin/modal/wood fiber multi-fiber blending knitted fabric can form a gorgeous color effect on the fabric surface, and meanwhile good comfort and great crease resistance are maintained. The knitted fabric has the style and hand feeling of common fabric and further has the softness, comfort, superhigh moisture absorption performance, warm keeping performance, bacteria resistance and bacteriostasis. Therefore, the knitted fabric integrates comfort, bacteria resistance and warm keeping and has wide market prospect.

The invention discloses a fruit fresh-keeping film. The fresh-keeping film is prepared from the following components: 50-70 parts by weight of starch, 15-30 parts by weight of polyvinyl alcohol, 5-8 parts by weight of bio-based resin, 1-3 parts by weight of sodium alginate, 1-3 parts by weight of fatty acid, 1.5-4.5 parts by weight of butanediol, 0.4-1 part by weight of sorbitol, 1-5 parts by weight of titanium dioxide, 1-5 parts by weight of zinc oxide, and 2-6 parts by weight of ultra-fine calcium carbonate. The method provided by the invention adopts the starch, the polyvinyl alcohol, the bio-based resin, the sodium alginate, the fatty acid, the butanediol, the sorbitol, the titanium dioxide, the zinc oxide and the ultra-fine calcium carbonate as raw materials, and each component is acted and affected with each other, so that the prepared fresh-keeping film not only has good antibacterial and bacteriostatic functions, but also can be completely degraded, and has no pollution to theenvironment and no residues.

The invention relates to an antibacterial collagen-based medical material and a preparation method thereof, and belongs to the field of biomedical materials. According to the antibacterial collagen-based medical material, beta-cyclodextrin is used as a raw material, and an aldehyde group derivative of beta-cyclodextrin and a plant essential oil antibacterial agent are simultaneously applied to crosslinking modification of a collagen-based material. The preparation method can improve the structural stability of materials; and on the other hand, the loaded plant essential oil antibacterial agent can endow the material with a good and lasting antibacterial function, and the preparation method is a novel preparation method of the antibacterial collagen-based medical material. The collagen-based medical material has good degradability, mechanical property and biocompatibility, further has a lasting antibacterial function, and has important clinical application value.

The invention relates to a medical fabric with gaps between warps and wefts. The fabric comprises a fabric body (1); a polyurethane film (2) covers the front surface of the fabric body; a linen fiber layer (3) covers the front surface of the polyurethane film; a bamboo carbon fiber layer (4) covers the surface of the linen fiber layer; a moisture absorption and sweat releasing fiber layer (5) covers the surface of the bamboo carbon fiber layer; a waterproof layer (6) covers the surface of the moisture absorption and sweat releasing fiber layer (5); a polyurethane coating layer covers the surface of the waterproof layer, wherein the polyurethane coating layer is prepared from fluorine monomer waterborne polyurethane; the fabric body is prepared from fabric; the fabric is formed by interweaving weft fiber yarns and weft fiber yarns; the weft fiber yarns are partially regularly arranged in across warp direction and while the other parts of the weft fiber yarns are irregularly arranged in the across warp direction. The fabric is difficult to pollute and has the waterproofing and breathing effects; the weft fiber yarns are irregularly arranged, so that the gaps are formed while adhering with the warp fiber yarns, and as a result, the fabric is high in breathing performance.

The invention relates to medical flame-retardation fabric. The medical flame-retardation fabric comprises a fabric body (1), wherein a polyurethane membrane (2) covers the front surface of the fabric body, a flax fiber layer (3) covers the front surface of the polyurethane membrane, a bamboo charcoal fiber layer (4) covers the surface of the flax fiber layer, a layer of moisture absorption and perspiration fibers (5) covers the surface of the bamboo charcoal fiber layer, a waterproof layer (6) covers the surfaces of the moisture absorption and perspiration fibers (5), and a polyurethane coating layer covers the surface of the waterproof layer; and the polyurethane coating layer is fluorine monomer aqueous polyurethane. The fabric body is made of fabric. The fabric is woven by warp yarn and weft yarn. The warp yarn is composed of cotton yarn. The weft yarn is composed of inflaming retarding polyester filament yarn. The fabric is not liable to stain, and besides, the fabric has the effects of being waterproof and air permeable. The fabric disclosed by the invention is soft, comfortable, air permeable, moisture permeable and free from pungent smell, and has good flame resistance.

The invention discloses medical nonwoven cloth which is made of a bamboo fiber, a hemp fiber and a cotton fiber by using a spunlace process, wherein the mass percentages of the three components are that the bamboo fiber accounts for 20-50%, the hemp fiber accounts for 15-35% and the cotton fiber accounts for 15-40%; the sum of the mass percentages of the three components is 100%; the gram weight of the bamboo-hemp-cotton nonwoven cloth is 20-300g/m<2>. The medical nonwoven cloth disclosed by the invention has excellent antibacterial and bacteriostatic functions and excellent wet absorption andair permeability.

The invention provides health-care shorts. The health-care shorts comprise a shorts waist, shorts legs and a shorts crotch, wherein the shorts waist, the shorts legs and the shorts crotch are made ofa bamboo, hemp and cotton blended fabric, wherein the mixing ratios of the yarns are as follows: 20-60 % of bamboo fibers, 10-30 % of hemp fibers, and 30-60 % of cotton, and meanwhile, a spandex yarnis added for each 1-3 paths. The health-care shorts provided by the invention have the antibacterial and bacteriostatic functions, and meanwhile, the fabric is soft and comfortable and has good elasticity.

The invention discloses a strontium-rich two-stage activated water system capable of continuously supplying water for backwashing. The system comprises a primary activation tank and a secondary activation tank, wherein an activation rod with a hollow structure is arranged in the primary activation tank; the upper end of the activation rod is fixed through a tube plate; a molecular sieve filter material is arranged below the tube plate; a water inlet pipe head is arranged on the side wall of the primary activation tank; the water inlet pipe head is arranged below the pipe plate; a water outletpipe head is arranged at the upper end of the primary activation tank; an activation layer is arranged in the secondary activation tank; an upper drainage pipe head is arranged at the upper end of thesecondary activation tank; a lower drainage pipe head is arranged at the lower end of the secondary activation tank; the upper drainage pipe head is connected with an upper drainage pipe; the lower drainage pipe head is connected with a lower drainage pipe, the upper drainage pipe head is connected with the water outlet pipe head through a communicating pipe, the communicating pipe is connected with the lower drainage pipe head through a backwashing pipe; normally-opened electric valves are evenly arranged on the communicating pipe and the lower drainage pipe; and normally-closed electric valves are arranged on the upper drainage pipe and the backwashing pipe.

The invention provides a dishwashing detergent, which comprises the following components in parts by weight: 30-50 parts of sodium dodecylsulphonate, 1-3 parts of Sodium cumenesulfonate, 3-6 parts of dimethyl tetradecylamine oxide, 0.1-0.2 part of citric acid, 1-2 parts of magnesium chloride, 2-4 parts of ethanol, 6-12 parts of Glucose monodecanoate, 6-12 parts of Diglycolamide laurate, 1-3 parts of Ethanolamine, 4-8 parts of Coconut Monoethanolamide, and 60-80 parts of water. According to the dishwashing detergent, the formula is scientific and reasonable, all the components are non-toxic mild substances, and have no toxic or side effects on a human body, the dishwashing detergent has good antibacterial and bacteria-suppressant functions, and is strong in pollution removal capacity, free from polluting the environment, and safe to use. Furthermore, as the formula contains glycerin and vitamin E, so that the dishwashing detergent has skin care effect and has no harm to the skin.

The invention relates to a medical fabric having good sewing performance. The medical fabric comprises a fabric body (1), the front side of the fabric body is coated with a polyurethane film (2), the front side of the polyurethane film is coated with a flax fibrous layer (3), the surface of the flax fibrous layer is coated with a bamboo charcoal fibrous layer (4), the surface of the bamboo charcoal fibrous layer is coated with a moisture absorbable and breathable fiber layer (5), the surface of the moisture absorbable and breathable fiber layer (5) is coated with a waterproof layer (6), the surface of the waterproof layer is coated with a polyurethane coating layer, and the polyurethane coating layer is a fluorine-monomer waterborne polyurethane. The fabric body is made from a fabric which is composited by a metal fabric layer and a heat-insulation layer, the metal fabric layer is made from a metal film layer and a fabric, the metal film layer is directly coated on the fabric, the two layers form a single-layer composite structure or a multi-layer composite structure. The medical fabric having good sewing performance is hard to dirty, waterproof, good in ventilating effect, and good in sewing performance.

The invention relates to a medical moisture guiding and breathing fabric. The medical moisture guiding and breathing fabric comprises a fabric body (1); a polyurethane film (2) covers the front surface of the fabric body; a linen fiber layer (3) covers the front surface of the polyurethane film; a bamboo carbon fiber layer (4) covers the surface of the linen fiber layer; a moisture absorption and sweat releasing fiber layer (5) covers the surface of the bamboo carbon fiber layer; a waterproof layer (6) covers the surface of the moisture absorption and sweat releasing fiber layer (5); a polyurethane coating layer covers the surface of the waterproof layer, wherein the polyurethane coating layer is prepared from fluorine monomer waterborne polyurethane; the fabric body is prepared from fabric; the fabric comprises warp yarns and weft yarns, wherein the warp yarns are spun rayon yarns; the weft yarns are blended yarns of linen/ richcel fibers; the warp yarns and the weft yarns are vertical to each other during arranging. The medical moisture guiding and breathing fabric is difficult to pollute, has the waterproofing and breathing effects, is good in comfort, skin friendly, can guide moisture and breath, touches soft and smooth, and is high in draping performance and high in elasticity.

The invention relates to a medical fabric for forming fresh air. The fabric comprises a fabric body (1), the front side of the fabric body is covered with a polyurethane film (2), the front surface of the polyurethane film is covered with a flax fiber layer (3), the surface of the flax fiber layer is covered with a bamboo charcoal fiber layer (4), the surface of the bamboo charcoal fiber layer is covered with a moisture absorbing and sweat releasing fiber (5), the surface of the moisture absorbing and sweat releasing fiber (5) is covered with a waterproof layer (6), the surface of the waterproof layer is covered with a polyurethane coating layer, and the polyurethane coating layer is fluorine monomer aqueous polyurethane. The fabric body is made of textile, heating wires are arranged in the textile, the external of the textile is provided with a power supply controller and a switch which are electrically connected with the heating wires, and a negative oxygen ion generator is arranged in the power supply controller. The medical fabric has the advantages of difficulty in contamination, and waterproof and air-permeable effects. The negative oxygen ion generator can release negative oxygen ions, so fresh air is formed surrounding a user when the electrothermal fabric is used, thereby the body health of the user is facilitated.

The invention relates to a medical elastic fabric. The medical elastic fabric comprises a fabric body (1); a polyurethane film (2) covers the front surface of the fabric body; a linen fiber layer (3) covers the front surface of the polyurethane film; a bamboo carbon fiber layer (4) covers the surface of the linen fiber layer; a moisture absorption and sweat releasing fiber layer (5) covers the surface of the bamboo carbon fiber layer; a waterproof layer (6) covers the surface of the moisture absorption and sweat releasing fiber layer (5); a polyurethane coating layer covers the surface of the waterproof layer, wherein the polyurethane coating layer is prepared from fluorine monomer waterborne polyurethane; the fabric body is prepared from fabric; the fabric is woven according to the rules of 1-0/5-6 double rib; FDY84D/36F polyester filament yarns and polyurethane filaments are used as the ground yarns; 75D/144F draw texturing yarn and polyurethane filaments are used as the surface yarns. The medical elastic fabric is difficult to pollute, has the waterproofing and breathing effects, and is sufficient in elasticity, high in telescoping strength, full in surface velvet feeling and graceful.

The invention discloses an efficient cleaning method of a garbage can, and the method comprises the following steps: diluting an efficient cleaning agent with water, soaking the garbage can in the diluted efficient cleaning agent, taking out the garbage can, and wiping the garbage can with cloth or other water absorbent matters. The efficient cleaning method is low in cost and simple, the adoptedefficient cleaning agent is high in detergency, rapid, efficient and free of residues, phosphate, carcinogen nitrite and harmful substances harmful to the atmospheric ozone layer are not contained, the efficient cleaning agent is specially used for cleaning oil stains, dirt, weathered dirt, water rust and the like on the surface of the garbage can, the cleaning effect is good, and the cleaning face is good; water resources and energy are effectively saved, the working efficiency and the cleaning quality are improved, the cleaning cost of the garbage can is reduced, and the garbage can has goodantibacterial and bacteriostatic functions and is non-toxic, non-irritating, environmentally friendly, degradable and free of residues after being used.

The invention provides a detergent which comprises the following components in parts by weight: 8-10 parts of alkyl sodium sulfate, 6-8 parts of sodium diethylhexyl sulfosuccinate, 8-10 parts of alkyl alcohol polyethenoxy ether sodium acetate, 5-9 parts of fatty alcohol polyethenoxy ether sodium acetate, 3-5 parts of ethanol, 1-3 parts of sodium xylenesulfonate, 1-3 parts of sodium chloride, 6-9 parts of cocoyl monoethanolamine, 5-7 parts of glycerol, 5-7 parts of vitamin E and 50-60 parts of water. The formula is scientific and reasonable; all the components are nontoxic mild substances and have no toxic or side effect on the human body; and thus, the detergent has favorable antimicrobial and antibacterial functions and high dirt-removing power, does not pollute the environment, and is safe to use. By fusing the glycerol and vitamin E, the detergent has the skin protection effect, and does not hurt the skin.

The invention relates to a medical fabric which is characterized by comprising a fabric body (1), wherein the fabric body (1) is coated with a polyurethane film (2); the polyurethane film (2) is coated with a linen fiber layer (3); the surface of the linen fiber layer (3) is coated with a bamboo carbon fiber layer (4); the surface of the bamboo carbon fiber layer (4) is coated with a moisture absorption and sweat removing fiber layer (5); the surface of the moisture absorption and sweat removing fiber layer (5) is coated with a waterproof layer (6); the surface of the waterproof layer (6) is coated with a polyurethane coating layer (7) which is made from fluorine monomer waterborne polyurethane. The medical fabric is capable of effectively preventing blood diffusion, has good bacteria resistance and bacteriostatic functions, is unlikely to be stained, and has water-proof and permeable effects.