351results about How to "Good antibacterial and bactericidal effect" patented technology

The invention provides an antibiotic PET fiber with silver nanometer zinc oxide, relative preparation method and application. The invention uses the method of composite spinning to add the silver nanometer zinc oxide into the layer of terylene, while prepared modified terylene has higher antibiotic sterilize ability. The invention can apply the mass continuous production of fusion spinning modified terylene.

The invention relates to a nano-silver antibacterial liquid soap used for the daily cleaning function, which is made from 0.0003-0.0050% of nano-silver solution, 2.0-10.0% of dodecyl polyoxyethylene ether sodium sulfate (AES), 12.0-18.0% of dodecyl sodium sulfonate (LAS), 8% of coconut oil alkyl diethanolamide (6501), 1-3% of glycerol, 1% of pearling agent, 0.6% of essence, 0.01% of apple green and deionized water. The nano-silver antibacterial liquid soap is capable of effectively inhibiting staphylococcus aureus, escherichia coli and Candida albicans, can mildly remove dirt, and is rich in foam and easy to wash; and the nano-silver antibacterial liquid soap has the anti-bacteria ingredient of nano-silver, thus having the characteristics of being broad-spectrum in antibacterial effect and sterilization, high in the effect of sterilization, strong in permeability and lasting in antibacterial effect, promoting healing, etc.

The invention relates to a fiber, and in particular relates to a bamboo leaf flavonoid mint core-sheath compound fiber. The bamboo leaf flavonoid mint core-sheath compound fiber is prepared by the following steps: treating tourmaline; treating a core layer material to form a non-woven needle-punched hemp palm fiber aerogel core layer material; treating a sheath layer material, namely, preparing first slurry from 0.1-0.3 part by weight of treated tourmaline, 0.6-0.8 part by weight ethylene glycol, 0.01-0.04 part by weight of bamboo leaf flavonoid and 0.02-0.05 part by weight of beta-cyclodextrin mint oil micro-powder, wherein the preparation method of the beta-cyclodextrin mint oil micro-powder comprises the step of mixing beta-cyclodextrin and mint oil according to the mass ratio of (8-15) to (40-65) at the temperature of 20-30 DEG C to form the beta-cyclodextrin mint oil micro-powder with morphology of a clathrate compound; carrying out an esterification reaction on phthalic acid and glycerol; after the reaction, feeding the first slurry, magnesium oxide and calcium hydroxide, and carrying out a polycondensation reaction; casting a belt and carrying out grain-sized dicing to obtain a polyester chip sheath layer material; carrying out composite melt spinning to prepare the bamboo leaf flavonoid mint core-sheath compound fiber. The bamboo leaf flavonoid mint core-sheath compound fiber has the functions of antibiosis and health protection, and is comfortable and environment-friendly.

The invention relates to a biological lysozyme compound preparation and a preparation method thereof. The preparation method comprises the following steps: dissolving lysozyme, amino acid, proteolytic enzyme, lysostaphin and peroxidase in water according to a certain proportion, transferring the mixed solution into a mixing tank, adding sorbitol, hydrated silica, aluminium hydroxide, glycerol, sodium lauroyl sarcosine, edible essence, cellulose gum, carrageenan, hydroxyethyl cellulose, sodium phytate, saccharin sodium, strontium chloride, trisodium phosphate, borneols, sodium borate, cinnabar, natrii sulfas exsiccatus and allantoin according to corresponding proportion, reacting for 47-49 h under a constant temperature condition of 38-42 DEG C to prepare the activated biological lysozyme compound preparation finished product. The biological lysozyme compound preparation belongs to a novel non-hormonic and non-antibiotic protein function preparation, has extremely great capacities of bacteriolyzing, reducing inflammation and enhancing immunity, and various effects of resisting various infections and promoting rehabilitation.

The invention provides a plastic floor substrate and a making method thereof. The plastic floor substrate comprises, by weight, 80-90 parts of polyvinyl chloride, 20-30 parts of dioctyl phthalate, 60-80 parts of calcium carbonate, 6-12 parts of titanium dioxide, 2-6 parts of epoxy soybean oil, 1-5 parts of magnesium stearate, 2-5 parts of phosphate, 12-18 parts of a plasticizer DPO, 0.5-2 parts of polyvinyl alcohol, 0.3-0.7 parts of chitin, 0.5-1 part of nano-ZnO powder, and 0.5-1 part of nano-Ag powder. The plastic floor substrate has good performances in antibiotic tests, and has an Escherichia coli inhibition rate of above 99.7% during the 24th month in long-term tests, and a Staphylococcus aureus inhibition rate of above 99.6%.

The invention provides an anti-inflammatory, antalgic and antibacterial extract which is extracted from rape bee-pollen according to lots of process researches. Strict tests prove that the extract has anti-inflammatory, antalgic and antibacterial functions and inhibition effect on human leukocyte elastase, excellent antalgic effect on visceral pain caused by ethylic acid and external pain caused by a hot plate in mice and excellent inhibition effect on Escherichia coli, staphylococcus aureus, pseudomonas aeruginosa, bacillus subtilis and other bacterial. The extract can be used in the development of plant-source anti-inflammatory agents, antalgics and bacteriostatic agents. In addition, China's rape pollen productivity is huge, so the rape pollen can be used as the raw material for the plant-source anti-inflammatory agents, antalgics and bacteriostatic agents; and the extract has the advantages of low cost and simple process flow.

The invention provides a high polymer quaternary ammonium salt antibacterial agent preparation method and application, and belongs to the technical field of antibacterial agents. The antibacterial agent is prepared by conducting a quaterization reaction on large molecular weight polyethyleneimine (b-PEI) and short-chain haloalkane. The high polymer quaternary ammonium salt antibacterial agent prepared through the method has an efficient, lasting and broad-spectrum antibacterial property, has the advantages of being high in safety, simple in preparation process and the like, can serve as an antibacterial additive and has a potential commercial application prospect in the fields of medical treatment, sanitation and environmental protection.

The invention provides rare earth added antibacterial ceramic glaze and a preparation method thereof and relates to the field of ceramic preparation. The ceramic glaze mainly comprises the following raw materials in parts by weight: 25-45 parts of silicon dioxide, 5-13 parts of aluminum oxide, 3-5 parts of deep sea mineral mud, 3-6 parts of magnesium oxide, 2-6 parts of copper oxide, 1-5 parts of zinc oxide, 4-8 parts of zirconium silicate, 1-3 parts of titanium dioxide, 3-9 parts of opal shale, 0.2-0.5 part of polyethylene glycol, 2-7 parts of sodium metaphosphate, 2-12 parts of rare-earth metal oxide and 67-95 parts of organic solvents; and the raw materials also comprise 2-6 parts of silver nitrate. The rare earth added antibacterial ceramic glaze provided by the invention is lasting in antibacterial time and high in efficiency, and other performances of ceramic products are not influenced.

The invention provides a collagen / chitosan composite sponge biological dressing, and belongs to the field of medical polymer materials. The biological dressing is compounded by collagen, chitosan and nano-titanium dioxide; the nano-titanium dioxide accounts for 1-5% of the total weight of the collagen and the chitosan; and weight percentage of the collagen is 50-70%, and the weight percentage of the chitosan is 30-50%. The wound dressing has good mechanical property; toxin residues caused by utilization of cross-linking agents and structure collapse caused by secondary freeze-drying are avoided; the problem of bacterial infection in a wound healing process can be solved effectively; and a sterile environment can be provided in a wound healing process.

The invention provides a continuous reproduction technology using biomass wastes and a waste liquid. The technology comprises the following steps: crushing the biomass wastes, drying, molding, sending the obtained biomass wastes to a dry distillation furnace, and carrying out dry distillation to obtain charcoal and crude dry distillation gas; cooling charcoal, packaging to obtain a finished product, condensing the crude dry distillation gas to obtain a gas phase which is biogas, carrying out alkaline washing, separating, conveying to make the biogas enter a gas storage cabinet, and allowing the biogas to enter users through a pipe network; standing a refluxing waste liquid obtained after condensation of the crude dry distillation gas to realize layering and obtain an upper layer which is wood vinegar and a lower layer which is wood tar, collecting the wood tar, and packaging the collected wood tar to obtain a finished product; and determining organic matter components of the wood vinegar through gas chromatography-mass spectrometry, and respectively preparing a bacteriostasis and deodorization agent and an environmentally friendly botanical snow melting agent according to the content of acetic acid. The technology has the characteristics of continuousness, no emission of the waste liquid, and environmental protection, and solves the high value utilization problem of the waste liquid generated in the preparation of gas through biomass pyrolysis; and the bacteriostasis and deodorization agent has strong bacteriostasis, the ammonia odor removal rate can reach 100%, and the snow melting agent has the advantages of no corrosion, low snow melting temperature, chlorine harm eradication and excellent environmental protection performance.