154results about How to "Strong antibacterial function" patented technology

The present invention provides peppermint composite cellulose fibers, which contain 1-12 wt% of a peppermint extract component and 0.5-3 wt% of peppermint odor essential oil slow-release microcapsules, wherein the dry breaking strength of the fibers is 1.0-3.0 cN/dtex, the wet breaking strength of the fibers is 0.8-1.6 cN/dtex, the dry elongation at break is 16-24%, the residual sulfur content is less than or equal to 18 mg/100 g, the antibacterial activity logarithm value is more than 2.0, and the bactericidal activity logarithm value is more than 0. The peppermint composite cellulose fiber preparation method comprises: peppermint extract adding liquid preparation, degenerated viscose glue preparing, peppermint blending viscose glue preparing, spinning and post-treating, and filament drafting and post-treating so as to obtain the peppermint composite cellulose fibers. The peppermint composite cellulose fibers of the present invention have characteristics of good wearability, textile processability, antibacterial function, bacterial inhibition function, lasting and fresh peppermint aroma, lasting odor, good textile processing performance, and significant antibacterial function.

The present invention relates to one kind of protocyanidin oligomer and its production process and application in food, health article, feed additive and animal medicine. The protocyanidin oligomer is dimer, trimer and tetramer, and is produced with condensated tannin as material and through oxidizing degradation with hydrogen peroxide or potassium chlorate as oxidant to obtain yellow or brown semi-transparent liquid and subsequent separation and purification. The protocyanidin oligomer of the present invention has powerful antioxidant function and antibiotic function, and my be used in food owing to no astringent taste and no negative effect on the activity of amylase in digestive tract, as feed additive to reduce coccidiosis infection of fowls and low cholesterol content in egg.

The invention provides bacillus velezensis and application of the bacillus velezensis as an aquatic pathogenic bacteria inhibitor. The bacillus velezensis is separated from the intestinal canal of healthy tilapia, and the preservation number of the bacterial strain is GDMCC No. 60344. The bacillus velezensis has a broad-spectrum antagonistic aquatic common pathogenic bacteria function, and has theadvantages that the growth of the pathogenic bacteria, such as streptococcus agalactiae, streptococcus iniae,nocardia seriolea, aeromonas hydrophila, aeromonas schubertii and edwardsiella tarda, canbe effectively inhibited, the use is safe, no residue is generated, reducing the usage amount and the residual amount of chemical drugs in aquaculture is facilitated, the production cost is reduced, and the practicality is strong.

A nano-class antibacterial non-woven fabric as filter material is prepared from polypropylene fibre and antibacterial silver nanoparticles through proportionally mixing, smelting, and melt spraying. Its advantages are high filtering effect and durable strong power to kill bacteria.

The invention provides a nano-silver antibacterial shirt fabric. Warp of the fabric is compact spinning cotton yarns CF 14.8 tex; weft yarns are blended yarns 14.8 tex of 48%modal fibers/48%bamboo pulp fibers/4%nano-silver fibers; and the warp density is 512yarns/10cm, and the weft density is 512yarns/10cm. The invention further provides a preparation method for the nano-silver antibacterial shirt fabric. The method comprises the following steps: a, spinning; b, warp and cheese dyeing: cone loosening, caging filling, feeding into a cylinder, pretreatment, dyeing, aftertreatment, dehydration, drying and cone fastening, wherein the pretreatment is performed at a temperature of 120 DEG C for 30min to 60min, the NaOH utilization amount is 1.4g/L to 1.6g/L, the utilization amount of H2O2 in a concentration of 27.5% is in a range of 4.3g/L to 4.7g/L, the bath ratio during dyeing is 1:10, reactive dyes containing two active groups of vinyl sulfone and monochlorotriazine, the utilization amount of the dyes is in a range of 3g/L to 5g/L, the utilization amount of Na2SO4 is in a range of 10g/L to 60g/L, and the utilization amount of Na2CO3 is in a range of 5g/L to 20g/L; c, weaving: warping, sizing, drafting and weaving the fabric, wherein K-5000 size is used during sizing; and d, after treatment.

The present invention relates to an infrared radiant ceramic glazed layer and its preparation method. The main composition of said glazed layer in includes potash feldspar, SiO2, CaCo3, ZnO, talcum, ZrSiO4, clay BaCO3, opaque frit, colouring agent and infrared radiannt ceramic powder. The invention adopts ceramic processing technique, and makes said materials into the invented infrared radiat ceramic glazed layer with the obvious bacteria-inhibiting action for mould, Gram-positive bacterium and Gram-negative bacteruim, and its bacteria-inhibiting rate is up to 91.87%-100%. It can be used in building ceramics, specially used in the places of kitchen, toilet, hospital, infant school and others, so that it possesses strong practicability.

The invention relates to a preparation method of halamine-containing antibacterial polyacrylonitrile fiber, belonging to the technical field of modification of fiber fabric. The preparation process comprises the steps of: firstly, using alkaline water solution to soak the polyacrylonitrile fiber, and causing the fiber to have hydrolysis reaction and the like; generating acylamino, carboxyl, imido groups and the like on the surface of the fiber; and using hypohalite to rinse the fiber, generating halamine on the surface of the fabric so as to endow the fiber with antibiosis. The prepared polyacrylonitrile fiber has a broad spectrum antibacterial function; and after being sterilized, the fiber is rinsed by the hypohalite water solution again in a halogenated way, so that the antibacterial function of the fabric can be regenerated.

The invention relates to a medical chitosan antiseptic dressing, which takes chitosan fiber as a raw materials and is prepared by the following steps of spraying silver-loaded nano titanium dioxide particles on the chitosan fiber to prepare a dressing product, wherein the silver-loaded nano titanium dioxide particles accounts for 0.1-2wt% of the dressing; and drying the dressing product, cutting,packaging, sterilizing to obtain the product. The spray technology is as follows: spinning the chitosan fiber, cutting into short fiber, spraying the silver-loaded nano titanium dioxide particles on the chitosan short fiber, and preparing into the chitosan product. The invention has the advantages of imbibing function, moisture function, hemostasis function and antibiosis capability, and is a good medical dressing.

The invention discloses a nano silver polyester biodegradable preservative film, which is prepared by steps of chain extension and modification of dihydric alcohol copolyester of diacid and fatty group by introducing aromatic group and fatty group, the nano silver polyester biodegradable preservative film has strong antibiosis, anticorrosion and fresh-keeping functions, greatly increases the storage and fresh-keeping period of the food, and has modified atmosphere function; in addition, the nano silver polyester biodegradable preservative film has the advantages of excellent performance, high molecular weight, high branching degree, high crystallization degree, less impurity, no toxicity, and biodegradable performance by burying in soil after discharging.

The invention provides a composite multifunctional health paint mate and a preparation method thereof, which relate to a paint mate and a preparation method thereof. According to the invention, the problems of complicated preparation process, single function and no environment protection of the traditional paint. The product comprises environment friendly functional material negative ion element, nano-zinc compound, nano-titanium dioxide, nano-silver solution, nanometer calcium carbonate and substrate emulsion paint. The method comprises the following steps of: 1) weighing raw materials; 2) mixing and stirring the nano-zinc compound, nano-titanium dioxide, nano-silver solution and nanometer calcium carbonate, and then adding the environment friendly functional material negative ion element to the mixed material, and continuing to stir the mixture so as to obtain a slurry; and 3) adding the substrate emulsion paint to the slurry and stirring the mixture so as to obtain the composite multifunctional health paint mate. The composite multifunctional health paint mate and the preparation method thereof, provided by the invention, have the advantages of simplicity and convenience in operation, multiple product functions, environment friendliness, health, capability of resisting disoperations from atmosphere and ultraviolet rays, durability, scrub resistance, alkali resistance, mildew resistance and good air permeability; and negative ions are continuously released into the air so that the paint mate can be mixed with the emulsion paint to improve the painting texture of the common emulsion paint and stop the penetrations of water and salt.

The invention provides a microorganism ecology conditioner and application. The microorganism ecology conditioner is prepared by the following steps: placing a culture medium in a culture vessel, sterilizing, firstly inoculating bacillus megaterium weighing 4-10% of the culture medium at the culture temperature 26-35 DEG C, culturing for 36-48 hours, then inoculating bacillus subtilis weighing 3-8% of the culture medium, culturing for 48 hours again, then inoculating Trichoderma Vride G weighing 0.5-6% of the culture medium, finally culturing for 48-144 hours, afterwards adding calcium carbonate weighing 5-10% of the culture medium or clay weighing 5-15% of the culture medium as the carrier, adding adsorbent weighing 100-1000 times of the culture medium, mixing to be uniform, stacking and fermenting for 3-6 days, drying, and concentrating into solid or powdery finished product. The microorganism ecology conditioner can be taken as biological fertilizer having biological prevention and control functions, and can also be taken as soil conditioner and continuous cropping obstacle soil restoring agent.

The invention relates to food anticorrosion technical field, in particular to a natural food anticorrosion preservative prescription and the preparation method. The invention is characterized in that the prescription comprises pure bamboo vinegar of 1 to 5% total acid and chitosan of 80 to 99% deacetylation degree (weight percentage); pure bamboo vinegar: 92 to 99%, chitosan: 1 to 8%; the vinegar and chitosan of the proportion is added into the reator and is mixed well; the mixed solution in the reator is agitated in the normal temperature or the raised 100 DEG C; the agitating speed is 100 to 200 time/m; the preservative is formed after 5 to 30m dissolution. The natural food anticorrosion preservative has the advantages that no toxic side effect exist; the application scope is wide; the cost is low; the preservative can make sterilization, bacteriostasis and viral inactivation.

The invention discloses an antibacterial healthcare macromolecular (nano) composite floor which comprises a wear-resistant layer, a middle layer and a bottom layer. The composite floor is characterized in that a nano material layer is arranged between the wear-resistant layer and the middle layer and contains nano material particles capable of absorbing and reflecting far infrared rays with the wavelength of 8-15 micrometers, wherein the far infrared rays are most needed by human bodies. The composite floor has the advantages of antibacterial effect, capability of absorbing and reflecting the far infrared rays and the like, and has a remarkable healthcare function.

The invention discloses a natural plant preservative containing shampoo for children, which comprises sodium lauroamphoacetate, cocamidopropyl betaine, propylene glycol, glycol distearate, phenoxyethanol, caprylyl glycol and a preservative; and the shampoo is characterized in that the preservative is a plant preservative, and the plant preservative comprises the following components in parts by weight: 20-40 parts of a rhubarb extracting solution, 5-10 parts of a cassia bark extracting solution, 5-20 parts of a pericarpium granati extracting solution, 10-20 parts of a magnolia biloba extracting solution, 10-35 parts of a saxifraga stolonifera extracting solution, and 10-15 parts of a white ilicifolius extracting solution. The shampoo disclosed by the invention can be applied in the technical field of shampoos for children; and according to the invention, through the addition of the natural plant preservative, the effective reduction of the addition amount of the artificially synthesized preservative is realized, and then the safety of the shampoo for children can be further effectively guaranteed.

The invention relates to an antibacterial degradable polyester fibre. The invention is characterized in that firstly nano modified degradable polyester is obtained by adding 3-5% of nano silicon oxide and 3-6% of nano silver oxide in synthesis of polyester and then melt spinning is directly carried out, so as to obtain the antibacterial degradable polyester fibre.

The invention provides an acrylic fiber, ramie fiber and soybean protein fiber blended yarn which comprises the following components by weight parts: 55-65 parts of acrylic fibers, 20-30 parts of ramie fibers and 10-20 parts of soybean protein fibers. The blended yarn disclosed by the invention can be sued for complementing the features of the acrylic fibers, the ramie fibers and the soybean protein fibers, and has the advantages of the acrylic fibers, the ramie fibers and the soybean protein fibers.