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

Disclosed are a polyethylene nm antibacterial biological couple degradable plastic film and its preparing method. It is comprised of the following components with the mass ratio: starch: photo sensitizer: plasticizer: coupling agent: polyethylene: modifier =10~100:0.1~30:0.5~30:0.3~35:0.1~10:0.5~25:130~26:0.1~53. With antibacterial effect and can be broken down faster by the effects of both light and biologic, the invention has replaced the conventional product with much loss of plastic, it can solve environment pollution existing in the usual plastic film, benefiting for environmental protection. It has the advantaged not existing in the present plastic film, simplified productive technique and low cost.

The invention discloses a UV (ultraviolet) offset printing gloss oil and a preparation method thereof. The UV offset printing gloss oil comprises the following components in parts by mass: 50-70 parts of UV curing resin oligomer, 2-10 parts of UV photopolymerization initiator, 3-20 parts of thermoplastic resin, 5-20 parts of acrylate monomer, 0.1-10 parts of antimicrobial assistant and 1-10 parts of filler 1. The antimicrobial assistant added to the UV offset printing gloss oil can greatly enhance the antimicrobial and bactericidal capacities. Besides, the added thermoplastic resin lowers the shrinkage in the UV curing process, and enhances the adhesive force of the printed matter.

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 discloses a lobster feed capable of purifying water and improving immunity. The lobster feed is prepared from the following raw materials in parts by weight: 3-5 parts of garlic, 1-3 parts of calcium dihydrogen phoshate, 2-3 parts of tender leaves of fennel, 4-6 parts of banana skin, 2-4 parts of villous amomrum fruit, 3-5 parts of cluster mallow fruit, 3-4 parts of sargassum thunbergii, 4-6 parts of dehydrated spinach, 2-4 parts of cinnamon, 6-8 parts of cuttleflsh bone, 5-8 parts of wheat middling, 20-30 parts of rapeseed dregs, 15-20 parts of meat and bone meal, 4-6 parts of stevioside and 6-10 parts of an assistant. The lobster feed disclosed by the invention is balanced in nutrient; due to addition of the rapeseed dregs, the meat and bone meal and the like, most of basic nutrients required by the lobster can be supplemented; the added stevioside is high in sweetness, and long in duration, and can play a good attractant effect; due to addition of villous amomrum fruit, the cluster mallow fruit and the like, the disease resistance of the lobster is further enhanced; and the survival rate of the lobster is increased.

The invention discloses an air-cooled refrigerator antibacterial device, comprising a housing. Opposite side walls of the housing are respectively provided with air inlets and air outlets. The air inlet side of the housing is provided with a fan. The air outlet side of the housing is provided with a sterilizing apparatus. The sterilizing apparatus comprises a titanium dioxide structure. The place of the titanium oxide structure is provided with a UV ozone lamp and a negative ion generator. The invention also discloses an antibacterial control method by using the air-cooled refrigerator antibacterial device. When the sterilizing apparatus works, hydroxyl, negative ions and ozone are produced to form a gaseous antibacterial agent with much stronger antibacterial and bactericidal effects than any one or the combination of any two of the above three. So the antibacterial and bactericidal effects are enhanced. The method of the present invention includes sending ozone, negative ions and hydroxyl of low concentration generated by the antibacterial device to every corner of upper, middle and lower shelves of the refrigerator by controlling a ventilation door switch. The ozone, negative ions and hydroxyl are continuously circulated under the action of the ventilation door to kill the bacteria in air and on the surface of foods in the refrigerator. Antibacterial test results show that the sterilization rate is greater than 90%.

The invention relates to an air conditioner self-cleaning method and system and air conditioner. The method comprises the steps of detecting the temperature of an inner unit coil in the frosting state, wherein the inner unit coiler is provided with a frost layer; judging whether the temperature of the inner unit coil meets the preset defrosting condition or not; rising the temperature of the innerunit coil to make the frost layer become high temperature water vapor if the temperature of the inner unit coil meets the preset defrosting condition; judging whether an inner fan meets the preset inner fan reversal condition or not; controlling the inner fan to reverse according to the preset first rotation speed if the inner fan meets the preset inner fan reversal condition; judging whether theinner fan meets the preset reversal ending condition or not; and controlling the inner fan to be switched from reverse rotation to forward rotation if the inner fan meets the preset reversal ending condition. According to the technical scheme, the manners of reverse rotation and forward rotation of the inner fan are used, a reverse flow field or a turbulent flow field enables more water vapor/steam generated in an indoor unit in the defrosting stage to be stayed in a unit body of the indoor unit for a certain time, all-round cleaning is carried out, and the effect is better.

The invention relates to a thermoplastic polymer melt spun fiber with anti-mite and antibacterial functions and a preparation method thereof. The preparation method comprises the following steps: preparing a silver-loaded soda borosilicate ceramic powder which serves as an anti-mite and antibacterial component through a sol-gel method, performing surface modification on superfine ceramic powder through a coupling agent, granulating to prepare a high-concentration anti-mite and antibacterial master batch which takes a thermoplastic polymer as a matrix in a double-screw extruder, and finally, blending the anti-mite and antibacterial master batch with the thermoplastic polymer according to a certain ratio, and performing melt spinning to obtain the anti-mite and antibacterial fiber. The anti-mite and antibacterial fiber prepared by the method has obvious effects, is high in durability, high in washing resistance and high in safety.

The invention provides multifunctional vegetable regenerated cellulose fibers and a preparation method thereof, belongs to the technical field of functional regenerated cellulose fibers, and can solvethe problems that an existing functional regenerated cellulose fiber is single in function or multifunctional, is poor in functionality, complex in preparation process, difficult in industrial production and the like. The multifunctional vegetable regenerated cellulose fibers comprise the following components in percentages by weight: 3.0-8.0wt% of a sweet basil extract and 1.72-5.22wt% of complex plant essential oil, wherein the complex plant essential oil comprises 0.69-2.09wt% of mint oil, 0.69-2.09wt% of folium artemisiae argyi essential oil and 0.34-1.04wt% of lavender essential oil. Thepreparation method disclosed by the invention can be applied to preparation of multifunctional vegetable regenerated cellulose fibers integrating functions of antibiosis, mosquito repelling, skin protection and the like, and is further applied to textiles prepared from the multifunctional vegetable regenerated cellulose fibers.

The invention discloses a graphene-nano-silver composite material which comprises the following components in parts by weight: 1-16 parts of graphene mixed powder and 1-9 parts of nano-silver anti-microbial powder; the graphene mixed powder comprises the following components in parts by weight: 0.3-65 parts of graphene, 0.2-25 parts of graphite carbon and 0.02-10 parts of graphite; and the nano-silver anti-microbial powder comprises the following components in parts by weight: 2-5 parts of silver nitrate, 90-95 parts of zirconium phosphate and 1-5 parts of zinc oxide. The composite material has excellent anti-microbial sterilizing effects and stable properties. The invention also discloses a preparation method for the composite material, the steps are few and the process is simple. Besides, the invention also discloses an antibacterial fiber adopting the composite material and the preparation method thereof, and meanwhile, the antibacterial fiber is applied to a blended yarn. The inhibition ratios of the antibacterial fiber to escherichia coli, staphylococcus aureus and Candida albicans all exceed national standard.

The present invention relates to the technical field of materials, and discloses a novel air refreshing agent, which is characterized by comprising the following raw materials by weight: 1-10% of a grapefruit seed extract, 1-10% of eucalyptus essential oil, 1-10% of a hedera nepalensis var. sinensis (tobl.) rehd extract, 5-15% of a pericarpium citri reticulatae extract, 2-7% of a nicotine decomposition agent, 1-10% of polyacrylate, 6-12% of ethanol, 3-6% of sorbic acid, 1-5% of essence, 10-15% of carrageenan, and the balance of deionized water. Compared with the air refreshing agent in the prior art, the air refreshing agent of the present invention has the following advantages that: the formula is rational, the active ingredient maintaining time is long, the natural plant extraction solution is adopted as the main raw material, the cost is low, the nicotine decomposition agent is added, the air can be effectively purified, and bacterial inhibition and sterilization can be provided.

The invention relates to a plant extract composition, a preparation method thereof and application of the plant extract composition in preparing the antifungal products. The composition comprises one or more components of matrine extract, scutelloside extract, berberine hydrochloride extract, agrimophol extract, caffeic acid extract and asiaticosid extract. The antifungal products comprise antidandruff shampoo, mouth cleaning products, female sanitary products, itching-relieving shower bath and antifungal medicaments. The invention also relates to an antifungal product using the composition.

The invention relates to a filter material for water treatment, in particular discloses a hemp fibre filter wire and a preparation method thereof. The hemp fibre filter wire is characterized by being prepared by using hemp fibres as raw materials, spinning the hemp fibres into yarns through hemp spinning equipment and then degumming, bleaching, drying and forming. The invention is mainly used for the purification and the filtering of various liquids; a wire-wound filter core prepared by the hemp fibre filter wire is used for the precise filtering of the liquids in a petroleum industry, a chemical industry, an electron industry, a pharmaceuticals industry, a food industry, a domestic water industry, and the like; and in addition, the invention can bring new vitality for the water treatment industry due to excellent performance and complete green environmentally-friendly quality.

The invention discloses a waterless washing method and a waterless washing device, wherein, the waterless washing method is that: clothes are put into a vessel with photocatalyst; under the light source, the hydroxyl radical and active oxygen generated in the light catalytic reaction of the photocatalyst can decompose the organic and inorganic dirt. The waterless washing device comprises a housing, at least a vessel in the housing to accommodate the clothes and a light emitting device; wherein the vessel accommodates the photocatalyst and light catalytic reaction of the photocatalyst occurs lighted by the light emitting device.

The invention discloses a bactericidal acaricidal laundry detergent which is composed of the following components in percentage by weight: 20-24% of 60% LAS solution, 8-12% of laurylamidopropyl betaine, 10-15% of 6501 alkylolamide, 5-8% of potassium coconut oil fatty acid glycinate, 4-8% of cocinic acid acetal, 2-6% of polystyrene latex, 0.2-0.5% of essence. 6-10% of Chinese soapberry peel, 0.1-0.3% of citric acid, 0.2-0.3% of sodium chloride, 0.1-0.3% of pigment, 5-8% of bactericide and 20-30% of rice washing water. The bactericidal acaricidal laundry detergent has the advantages of mild formula, high detergent power, abundant foam, high rinsability, favorable bactericidal and acaricidal effects, no side effect, no fading of clothing, no irritation to skin and no pollution.

The invention belongs to the field of macromolecular nano biological medicine materials, and in particular relates to a high-efficiency and antibacterial polymeric micelle with high pH sensibility and biocompatibility and a preparation method thereof. An amphipathic block polymer is subjected to self-assembly by a direct dissolution method to form the micelle; and the surface of the micelle has a large number of positive charges, so that the micelle has the effects of sterilizing and inhibiting bacteria in high efficiency under the condition that other antibiotics are not added. Simultaneously, the micelle has high biocompatibility and biodegradability. The polymeric micelle has high pH sensibility, and a structure of the polymeric micelle is changed with the change of the outside pH value, and multiple medicines can be wrapped by a core-shell structure of the micelle, so the polymeric micelle has a bright application prospect.

The invention relates to a weaving auxiliary agent, and especially relates to a softening agent film preparation technology. The preparation technology comprises the following steps: 1) an acylation reaction: placing an organic solvent in a container, adding industrial stearic acid in a container for preheating, and preheating the material until the industrial stearic acid is dissolved, adding diethylenetriamine, heating the material to the temperature of 125-140 DEG C and performing insulation for a reaction, during an insulation reaction process, collecting steam by a condensation apparatus,and obtaining an intermediate I after the reaction is completed; 2) a quaternization reaction: cooling the intermediate I after the reaction is completed in the step 1) to the temperature of 75-85 DEG C, dropping chloropropylene oxide, after dropping, heating the temperature to 125-140 DEG C, performing a secondary insulation reaction, and after the reaction is completed, cooling the material tothe temperature of 75-85 DEG C to obtain an intermediate II; and 3) slicing: slowly dropping glacial acetic acid in the intermediate II, adjusting a pH value to weak acid, and performing refrigerationand slicing to obtain the softening agent film.

The invention relates to preparation of fiber materials, in particular to a preparation method of jute fiber mattress materials. The method sequentially includes: opening, to be more specific, performing degumming treatments on jute fibers, carding and cutting into short jute fibers, and opening the short jute fibers in an opening machine; performing air flow carding to form nets, to be more specific, allowing the opened short jute fibers to feed evenly through a roller groove by the aid of air flows, and evenly arranging the short jute fibers to form net-shaped semi-products with S-shaped sections; non-woven needling, to be more specific, subjecting the net-shaped semi-products to spunlace reinforced by water needles at least twice, and forming non-woven needled jute fiber semi-products through composite intertwining; baking at high temperature, to be more specific, baking the non-woven needled jute fiber semi-products in up-down hot air at 180-200 DEG C in a circulating and penetration manner to make the jute fiber mattress materials. The jute fiber mattress materials prepared by the method are comfortable, environmental friendly, antibacterial, breathable and long in service life.

The invention relates to the technical field of pet excrement treatment, particularly to an odor removing agent special for pet excrement treatment, a preparation method and application thereof, and aims to solve the problems that cat litter has poor deodorization effect during use and cannot effectively remove harmful microorganisms in excrement. According to the invention, a complex microbial inoculant, montmorillonite powder, activated carbon powder, citric acid, fermented lentinus edodes powder, bran powder and corn flour are reasonably collocated to prepare the odor removing agent, and the odor removing agent is added as an addition material of cat litter into cat litter for use. Deodorization performance tests find that the odor removing agent can greatly lower the concentration of ammonia gas, and the deodorization and odor removing effects are significant, and bacteriostatic and bactericidal tests find that the odor removing agent can effectively inhibit the growth and propagation of Escherichia coli, salmonella and other harmful microorganisms in pet excrement, and has good bacteriostatic and bactericidal effects, therefore the odor removing agent can effectively improve the use effect of cat litter, and has significant deodorizing, sterilizing and bacteriostatic effects.

The invention relates to the technical field of photocatalyst materials, in particular to a titanium dioxide photocatalyst coating and a film and a preparation method thereof. The titanium dioxide photocatalyst coating is characterized in that rare earth elements and boron element are doped in titanium dioxide photocatalyst, preferably the rare earth elements are selected from at least one of lanthanum, cerium, praseodymium or neodymium, preferably cerium. The doped titanium dioxide photocatalyst coating disclosed by the invention has good response to ultraviolet light, also has excellent response to visible light within a broad range of 460-510 nm, is capable of effectively decomposing formaldehyde, benzene series, chlorides, nitric oxides and has good antibacterial and bactericidal effects.

The invention provides settleability water base grinding fluid and a preparation method thereof. The settleability water base grinding fluid comprises, by weight, the following ingredients: 5-20% of settling agents, 25-60% of antirust agents, 15-40% of lubricating agents, 1-3% of sterilizing agents and the balance water. The settling agents are selected from one or more mixtures of polyethylene dichloro ethyl ether tetramethyl ethylenediamine, polyglycerol and ethylene glycol butyl ether (EGBE). The settleability composite grinding fluid has the advantages of being good in settleability, rapid in defoaming, good in antirust effect, long in service life and high in comprehensive performance cost ratio.