33results about How to "Long duration of sterilization" patented technology

The invention relates to a disinfectant for animals and use thereof. The disinfectant for animals comprises a mother liquor and water, wherein the mother liquor comprises: by weight, 2.5 to 3 parts of chlorhexidine acetate, 2 to 2.5 parts of benzalkonium bromide, 1.2 to 1.7 parts of triton and 1.2 to 1.7 parts of glutaraldehyde. The preparation method comprises the following steps of mixing chlorhexidine acetate, benzalkonium bromide and glutaraldehyde of the mother liquor at a normal temperature, adding water into the mother liquor to obtain a mixed solution, wherein the weight of the water is 3 times of the total weight of chlorhexidine acetate, benzalkonium bromide and glutaraldehyde, cooling the mixed solution to a temperature of -5 DEG C, keeping the temperature for 8 hours, gradually heating the mixed solution to a temperature more than 50 DEG C, adding triton into the mixed solution while heating the mixed solution to a temperature of 90 to 100 DEG C so that triton is completely dissolved in the mixed solution, then adding water into the mixed solution containing triton, and cooling to a normal temperature to obtain the disinfectant for animals. The disinfectant for animals can be used for fed animals and aquatic products and has strong bactericidal power, a wide antimicrobial spectrum, wide purposes, stable performances, high use safety, short onset time and long sterilization lasting time.

A dialkyl quaternary ammonium salt as disinfecting algicide is prepared from alamine, bromohydrocarbon (or halohydrocarbon) and water through thermal reaction, and features high disinfecting and algiciding power. It can be used for treating the circulated cooling water.

The invention relates to a circulation method of cooling water. The method comprises steps: part of circulating cooling water flowing out from a water collection tank (1) as cooling water is conveyed into a heat exchanger (2), heat exchange is carried out, and the cooling water after heat exchange is cooled through a cooling device (3) and backs to the water collection tank (1). The circulating cooling water system also comprises a bypass tank (4) communicated with the water collection tank (1). The bypass tank (4) is loaded with water insoluble bactericides. The method also comprises steps: the other part of circulating cooling water flowing out from the water collection tank (1) through the bypass tank (4) goes through the bypass tank (4) and contacts the water insoluble bactericides in the bypass tank (4) and backs to the water collection tank (1). Through the method, most microorganisms are removed without affecting normal running of the cooling water system and the filtration function can be achieved at the same time.

The invention discloses an air filter type bacterial cellulose mask and a production method thereof. The mask is made of dried bacterial cellulose which is used as a mask frame material. The preparation method comprises the following steps: selecting acetobacter xylinum as a type strain, and culturing the acetobacter xylinum to obtain a bacterial cellulose membrane; and after soaking the membranein acid liquor and alkali liquor, washing the soaked membrane till the rate of impurities is less than 0.5 percent, soaking the membrane in nano-silver solution, then drying the membrane by adopting a freeze drying mode, and obtaining the air filter type bacterial cellulose mask through compound preparation. The preparation process is simple, the filter performance of the mask can be effectively improved by using the bacterial cellulose as a material, and the bactericidal and antitoxic capacities of the mask are enhanced by soaking in the nano-silver solution; and the mask has the characteristics of low production cost, strong adsorption capacity, high bactericidal activity, long durative bactericidal time and the like, and can effectively reduce resource consumption and protect ecological environment.

The invention provides a foam dressing containing a composite silver-zinc antibacterial material and a preparation method of the foam dressing. The foam dressing containing the composite silver-zinc antibacterial material comprises polyurethane foaming plastic and the composite silver-zinc antibacterial material, wherein the composite silver-zinc antibacterial material is adhered to the inside of the polyurethane foaming plastic, comprises the following raw materials in content: nano silver, nano zinc and a nano inorganic carrier; and the composite silver-zinc antibacterial material contains the following raw materials in percentage by mass: 10%-20% of silver and 20%-40% of zinc. The composite silver-zinc antibacterial material is dispersed into the foam dressing in a manner of foam molding or ultrasonic dipping together with foam. The foam dressing containing the composite silver-zinc antibacterial material is capable of effectively absorbing diffusate of the wound surface, and effectively inhibiting growth and breeding of staphylococcus aureus, pseudomonas aeruginosa and candida albicans.

The present invention discloses a water treatment agent composition, which contains an amino acid having a scale inhibiting and corrosion inhibiting effect, a macrolide antibiotic having a sterilization effect, and an enzyme cooperating with the amino acid and the antibiotic and providing a synergy effect. The present invention further discloses applications of the water treatment agent in water treatment. According to the present invention, the performance evaluation results of the water treatment agent show that the calcium carbonate scale inhibiting rate is more than 99%, the corrosion rate of the dynamic simulation test is 0.023 mm / a, and the number of the 72 h heterotrophic bacteria can minimally achieve 1.5*10<2> / ml; and the composite agent has characteristics of low use amount, no phosphorus, strong scale inhibiting capacity, good corrosion inhibiting performance, excellent sterilizing effect, and long lasting time.

The invention relates to a high-stability compound chlorhexidine iodohydrin solution. The high-stability compound chlorhexidine iodohydrin solution comprises the following components in parts by weight: 0.2-1 part of 10% of PVPI (Polyvinylpyrrolidone Iodine), 0.1-1 part of chlorhexidine acetate, 0.01-0.23 part of iodine, 50-70 parts of ethanol, 0.01-0.3 part of KI (Potassium Iodide), 0.1-2 parts of surfactant, 0.1-2 parts of humectants and 29.36-42.69 parts of water, wherein the pH value of the solution is regulated to 2-4 by phosphoric acid. The invention further relates to a preparation method of the high-stability compound chlorhexidine iodohydrin solution. The high-stability compound chlorhexidine iodohydrin solution disclosed by the invention is delicate in design, broad-spectrum in sterilizing effect, quick to become effective, capable of preventing drug-resistance bacteria from generating, quick to dry, more stable and longer in continuous sterilizing time, so that not only can effective content of sterilizing agent iodine in the product be satisfied, but also the iodine loss is reduced and the cost is lowered. Meanwhile, the high-stability compound chlorhexidine iodohydrin solution is capable of enabling the product to be more stable without stained yellow and capable of forming a protective film at the periphery of the wound without causing local infection, easy to clean and suitable for large-scale popularization and application.

The invention discloses a phosphorus-free water treatment agent composition. The composition contains a benzamide bactericide, a sulfonic group-containing phosphorus-free copolymer and a corrosion inhibitor, and the corrosion inhibitor can be one or more of borate, gluconate and silicate. The invention also discloses an application of the phosphorus-free water treatment agent composition in water treatment. A result of evaluation of the scale inhibition, corrosion inhibition and sterilization performances of the phosphorus-free water treatment agent composition in water treatment shows that the phosphorus-free water treatment agent composition has high calcium carbonate scale inhibition rate, high zinc scale inhibition rate, high sterilization rate and low carbon steel sheet corrosion rate on the premise that no phosphorus treatment agents are contained. The phosphorus-free water treatment agent has the advantages of environmental protection and excellent water treatment effect.

The invention discloses antibacterial domestic ceramics, and relates to the technical field of ceramics. The antibacterial domestic ceramics contains zirconium phosphate / sodium alginate modified attapulgite compound silver-carrying antibacterial agent of which the mass is 6-8%. The prepared antibacterial domestic ceramics not only has excellent thermal shock resistance and impact resistance strength, but also has a significant antibacterial effect and long germicidal duration time.

The present invention discloses a water treatment agent composition, which contains an amino acid having a scale inhibiting and corrosion inhibiting effect, a beta-lactam antibiotic having a sterilization effect, and an enzyme cooperating with the amino acid and the antibiotic and providing a synergy effect. The present invention further discloses applications of the water treatment agent in water treatment. According to the present invention, the performance evaluation results of the water treatment agent show that the calcium carbonate scale inhibiting rate is more than 99%, the corrosion rate of the dynamic simulation test is 0.022 mm / a, and the number of the 72 h heterotrophic bacteria can minimally achieve 1.5*10<2> / ml; and the composite agent has characteristics of low use amount, no phosphorus, strong scale inhibiting capacity, good corrosion inhibiting performance, excellent sterilizing effect, and long lasting time.