66results about How to "Strong sterilization function" patented technology

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 invention relates to a preparation method of a chemical surface modification easily-dyed polyimide fabric. The method includes the preparation steps of firstly, processing the polyimide fabric in an alkali solution; secondly, washing the polyimide fabric. The polyimide fabric is changed into a fabric capable of being dyed from a fabric not capable of being dyed on the basis of not damaging physical and chemical performance of the polyimide fabric, and the problem that polyimide is difficult to dye is solved; in addition, due to the effect of the alkali solution, a large number of active groups can be formed in the surface of the fabric, amino groups can be combined with dye molecules, a strong sterilization function is achieved, the antibacterial and sterilization functions of the polyimide fabric can be improved, and the application field of the polyimide fabric within the spinning range is widened while the added value of the fabric is increased.

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 intelligent air purifying robot. The intelligent air purifying robot comprises an intelligent robot, an air filtering device, an ultraviolet decomposition chamber, a plasmadecomposition chamber, a catalysis reaction chamber, an absorbing chamber and a plasma generator; the intelligent robot can actively detect air pollutants and control an electric wheel according to aset threshold or a measured threshold exceeding percentage, and advances to a pollutant concentration area to determine a pollution source and to purify air in areas near the pollution source in an emphasized mode; real-time data is stored and sent through a control main board; through interaction with other intelligent equipment, indoor different areas and purified air data can be known in real time; more importantly, when the robot is in a first mode, the air can be dynamically purified; through multilayer structural design, solid and liquid pollutants and bacteria in the air are effectivelycleaned; and meanwhile, negative ions are added in the cleaned air, so that the air becomes ecologically fresh and comfortable.

The invention discloses a multifunctional wet tissue containing orange essence. The wet tissue is characterized by being prepared by pouring the orange essence and auxiliary materials into reverse osmosis (RO) purified water, mixing, uniformly stirring, standing, uniformly spraying the obtained mixed liquid to a spunlaced non-woven fabric, and hermetically packaging. According to a formula, the wet tissue comprises the following components in percentage by weight: 0.05 to 5 percent of orange essence, 0 to 10 percent of auxiliary materials and 85 to 99.95 percent of RO purified water. The wet tissue is safe and non-toxic, has a strong sterilization function and multiple functions, and is widely applied, and wet tissues suitable for various consumer groups can be prepared by adjusting the formula.

The invention discloses indoor antibacterial and environment-friendly water paint for removing formaldehyde and a preparation method thereof, the indoor antibacterial and environment-friendly water paint is prepared by proportioning of water-based self-crosslinking polyacrylic acid resin emulsion, deionized water, a silver ion solution, rutile titanium dioxide, Maya blue, nano silica, a thickening agent, 2,2,4-Trimethyl-1,3-pentanediolmono(2-methylpropanoate) film-forming additive and other raw materials according to a certain weight ratio, grinding, dissolving, stirring, mixing and other a series of operations, the indoor antibacterial and environment-friendly water paint is environment-friendly water paint which has a very strong sterilization function, is safe and pollution-free, can easily adsorb the formaldehyde and other harmful gases, can minimize the reduction of damage of natural environment pollution to human health, and is suitable for decoration of hospitals, places of entertainment, theaters and other public places and family indoor decoration.

The invention relates to the field of disinfectants, in particular to a botanical disinfection composition. The botanical disinfection composition comprises the following raw materials in parts by weight: 0.5-1.0 part of tea tree essential oil, 0.5-1.0 part of niaouli essential oil, 0.5-1.0 part of palmarosa essential oil, 0.5-1.0 part of lemon mint essential oil, and 0.3-0.8 part of lemon myrtle essential oil and/or litsea cubeba essential oil. The invention further provides a method for preparing the botanical disinfection composition, comprising uniformly mixing tea tree essential oil, niaouli essential oil, palmarosa essential oil, lemon mint essential oil, and lemon myrtle essential oil and/or litsea cubeba essential oil according to predetermined parts by weight. The botanical disinfection composition provided by the invention is low in usage amount of ethanol, small in toxic and side effects, good in sterilization effect and short in action time.

The present invention discloses new use of orange essence in sterilizing. The orange essence emulsion includes orange essence in 74.8% and glycerin in 25.2%, and is prepared through the following steps: 1. washing orange and crushing in mill to form emulsion; 2. centrifuging concentration to reach 1/8 of original weight; 3. adding glycerin in 30 %, mixing, stilling for 72 hr and shaking for 10 min; 4. 120-mesh centrifugal filtering to eliminate dregs; and 5. adding sufficient lactic acid to regulate pH value to 2.2-3.2.

The invention provides a high-quality squid fresh-keeping and freezing process. Fresh-keeping materials are prepared; the fresh-keeping materials are fully and uniformly dissolved in a solvent and then separately packed into a fresh-keeping agent I and a fresh-keeping agent II; the fresh-keeping agent I is crystallized or dried to produce fresh-keeping agent solid; the fresh-keeping agent solid iscrushed into fresh-keeping agent powder; fresh squid are washed, killed, then washed with water, and then blanched with boiled water; the squid are placed in the fresh-keeping agent II for soaking; the squid are taken out and evenly mixed with the fresh-keeping agent powder to enable the fresh-keeping agent powder to completely cover the surface of the squid; and the squid are put into packagingbags, and the packaging bags are filled with nitrogen gas to bulge the bags for sealing packaging. The shelf life can be up to about half a month. Before use, the he fresh-keeping agents on the surface of the squid can be washed by operations such as water-washing. The squid is complete, good in elasticity and delicious in taste. Therefore, the freshness of the squid can be efficiently kept, and damages such as physical collision and rubbing are avoided, so that the quality and taste of the squid are improved.

The invention discloses a polyolefin film with an anti-bacterial function. The sterilizing polyolefin film comprises the following raw materials by weight percentage of: 100 % of polyolefin, 1%-10% of a functional monomer containing double bonds and an amine structure, and 0.1%-4% of a radical initiator, the raw materials are subjected to reactive extrusion through a double-screw extruder so as to prepare modified polyolefin raw granules, the modified polyolefin raw granules are subjected to a blow molding and casting film forming process, and a functionality film the surface of which is provided with a chloramine structure is prepared. The polyolefin film with the anti-bacterial function, provided by the invention, has the advantages of strong sterilizing function, good mechanical property and the like, and the abuse that the conventional anti-bacterial film utilizes a rear processing method of a finishing agent is overcome. The polyolefin film with the sterilizing function, provided by the invention, can kill bacteria for one time, and a functional group containing the amine structure is changed into a functional group with a chloramine antibiosis structure through the amine chloration, so that a film material has a circulating anti-bacterial function.

The invention relates to a preparation method of easy-to-dye polyimide fabric employing a chemical reduction method. The method comprises the following steps: (1) processing the polyimide fabric with an alkaline reducing liquid, to be specific, putting the polyimide fabric into a compressive container containing the alkaline reducing liquid, wherein the pressure is 0.1-0.2MPa, the temperature is 100-110 DEG C and the processing time is 10-60 minutes; and (2) washing the polyimide fabric: taking out and washing the polyimide fabric processed by the alkaline reducing solution for 6-10 times, and drying in an oven at 70-100 DEG C for 1-2 hours, wherein the alkaline reducing liquid is a mixed solution of sodium hydroxide or sodium carbonate and a reducing agent; the molar ratio of the sodium hydroxide or sodium carbonate to the reducing agent is 2 to 1; the molar percent concentration of the sodium hydroxide or sodium carbonate is 0.1%-10%; and the molar percent concentration of the reducing agent is 0.05%-5%. The polyimide fabric is changed into dyeable fabric from un-dyed fabric on the basis of not damaging the physical and chemical properties of the polyimide fabric; and the problem that polyimide is difficult to dye is solved.

The invention discloses a bath pool which is characterized in that the bath pool comprises a water tank, an oil and floating foam removing device, a stain collection device, an automatic water circulation purification system, a bath oxygen increasing device and a main controller, wherein the oil and floating foam removing device, the stain collection device, the automatic water circulation purification system, the bath oxygen increasing device and the main controller are arranged on the water tank, and the main controller is connected with the automatic water circulation purification system and the bath oxygen increasing device in a controlling mode; the water tank is provided with a water inlet pipeline and a sewage discharging pipeline; the oil and floating foam removing device is arranged in the water tank; the automatic water circulation purification system is provided with a water return pipeline connected with a water outlet channel and comprises a water pump, an over-flow type light-sodium dual-source water disinfection device, a combined filter bottle, a filter core device, a magnetization heating device, a first solenoid valve and a second solenoid valve; and the main controller is connected with the water pump, the over-flow type light-sodium dual-source water disinfection device, the magnetization heating device, the first solenoid valve and the second solenoid valve in a controlling mode. The bath pool is simple in structure, safe and healthy, and environmental friendliness and energy saving are achieved.

The invention provides a method for spinning pineapple-leaf yarn. The method comprises: step 1, opening and combing pineapple-leaf fiber; and step 2, drawing, roving and spinning the pineapple-leaf fiber obtained through the step 1. The method is characterized in that the pineapple-leaf fiber is sprayed with an auxiliary agent and maintained for 12 to 24 hours before the step 1, and the weight ratio of the pineapple-leaf fiber to the auxiliary agent is 98:2-93:7. The method has the advantages that the pineapple-leaf fiber can meet the requirements of spinning process, and can be spun into 40-Ne pure pineapple-leaf fiber yarn.

The invention provides a negative air ion deodorizing device for an electric refrigerator. The negative air ion deodorizing device comprises a half-wave rectifying circuit, a 12 V direct-current voltage stabilizing power supply, a light-sensitive circuit, a monostability delay circuit and a negative ion generator circuit, and is characterized in that the selected type of a time base circuit IC1 in the monostability delay circuit is NE555. According to the negative air ion deodorizing device, air is ionized by high-voltage corona discharge to generate a large amount of negative air ions and a small amount of ozone, the negative air ions and the ozone are diffused and can be used for quickly removing odor in the electric refrigerator so as to keep original flavor of food in the electric refrigerator and prevent the food from being tainted by other odor; meanwhile, the ozone is a strong oxidant with very powerful functions of sterilization and disinfection, while negative oxygen ions can be also used for inhibiting biochemical process in vegetables and fruits so as to keep the vegetables and the fruits fresh to a certain extent; the original circuit layout of the electric refrigerator does not need to be changed when the negative air ion deodorizing device is mounted; and the circuits have the advantages of simplicity, convenience for use, very low power consumption and the like.

The purpose of the present invention is to provide a preparation method of a water purification material with good electron transport performance, uniform film layer and high mechanical strength. The chitosan in the preparation method of the present invention has good adsorption performance, is environmentally friendly, and has stable performance in preparing composite materials with titanium dioxide and graphene, and can increase the tensile performance, tear resistance and adsorption performance of the composite materials , It is also convenient for the recycling of water purification materials.

The present invention discloses an environmentally friendly air purifier, comprises an air filter device, a plasma decomposition chamber, a catalytic reaction chamber, an adsorption chamber and a plasma generator; through multi-level structure design, the air purifier effectively cleans solid and liquid contaminants and bacteria in the air, meanwhile also adds anion to the cleaned air to bring theair to an ecological level of freshness and comfort.

The invention discloses a sewage treatment system and treatment method based on a boron-doped diamond film. The sewage treatment system comprises a coarse and fine grid tank, an aeration tank, a primary sedimentation tank and a boron-doped diamond film pretreatment tank, an acid-base regulating tank, a secondary sedimentation tank, a membrane bioreactor, a hollow fiber ultrafiltration tank and a boron-doped diamond film deep treatment tank which are all connected in series through a pipeline, wherein the boron-doped diamond film is adopted as an anode by the boron-doped diamond film pretreatment tank and the boron-doped diamond film deep treatment tank. By means of the sewage treatment system and treatment method, hydroxy radicals, ozone and other oxidants are generated through an electrochemical advanced oxidation method to effectively degrade sewage with high concentration, high toxicity and high COD and rapidly degrade sewage with low concentration and low COD in an environmentallyfriendly way separately.

The invention aims to provide a preparation method of a composite material with high air pollutant degradation efficiency, and a titanium dioxide attached thin film of the composite material is uniform and is not prone to falling off. According to the prepared titanium dioxide and chitosan polymerized composite material, titanium dioxide has excellent catalytic oxidation performance, can efficiently treat organic compounds and part of inorganic matter in water and has quite strong antifouling, sterilizing and deodorizing functions, and the composite material saves cost, protects environment and has higher economic benefits.