565 results about "Polyhexamethylene guanidine" patented technology

The invention discloses polyhexamethylene guanidine propionic acid and preparing method thereof. The preparing method employs stepwise synthesis, which includes steps of: sufficiently mixing dicyandiamide and alanine under high temperature to synthesize aminoguanidine propionic acid, mixing the aminoguanidine propionic acid, triethylidenepropyldiamine and initiator under high temperature to synthesize the polyhexamethylene guanidine propionic acid. Advantages of the invention are: sterilization effect is excellent, toxity is actually nontoxic level, effect of sterilization is better than existent technique, due to overcoming strong hygroscopicity in existence, the polyhexamethylene guanidine propionic acid can be produced to stable powder, thereby being widely used in fields such as weave, plastic, daily chemicals and water treatment.

The invention discloses an antimicrobial polycarbonate plastic and a preparation method thereof. The antimicrobial polycarbonate plastic comprises the following components in parts by weight: 100 parts of polycarbonate, 0.3-0.5 part of antimicrobial agent and 0.2-0.4 part of dispersant. The antimicrobial agent is one or mixture of nano titanium dioxide, nano silver oxide, polyhexamethyleneguanidine phosphate and N-(trichloromethylthio)phthalimide. The antimicrobial polycarbonate plastic disclosed by the invention can be easily processed into various shapes of interior ornaments of automobiles by an injection molding technique. The antimicrobial polycarbonate plastic disclosed by the invention has strong effects of bacterium control and killing and mold resistance.

The invention discloses an antibacterial polypropylene plastic and a preparation method of the antibacterial polypropylene plastic. The antibacterial polypropylene plastic comprises the following components by weight: 100 parts of polypropylene, 0.2-0.6 parts of antibacterial agent and 0.1-0.5 parts of dispersant, wherein the antibacterial agent is one or a mixture of nanometer zinc oxide, nanometer silver oxide, polyhexamethyleneguanidine phosphate and N-(trichloromethylthio) phthalimide. The antibacterial polypropylene plastic still has good effects of inhibiting and killing bacteria and preventing mould after being used for a long time, and is not influenced by factors such as illumination and temperature. The antibacterial polypropylene plastic can be easily processed by an injection process into automotive upholsteries in various shapes, such as an inner cover plate for a glove box, a glove box hopper, an auxiliary instrument board body, a storage box gasket and a panel storage box.

The invention relates to a composite antibiotic finishing agent for textiles. The composite antibiotic finishing agent for textiles comprises the following raw materials, by weight, 1-5% of polyhexamethylene guanidine, 5-10% of betaine, 1-5% of nano-zinc oxide, 1-5% of chitosan, 0.5-2% of a surfactant, 5-10% of an organic solvent and 0.1-0.5% of essence. With the application of various antibiotic agents for a synergetic antibiotic effect, the composite antibiotic finishing agent for textiles has high heat resistance and strong antibiotic property, is safe and reliable, is green and environmentally friendly, and can be used in antibiotic finish of various textiles.

The invention provides a polyhexamethylene guanidine propionate disinfectant and a preparation method thereof. The polyhexamethylene guanidine propionate disinfectant is a hydrophilic solution prepared by the following steps: adding polyhexamethylene guanidine propionate, citric acid and surfactant to water and uniformly stirring the mixture at normal temperature. The polyhexamethylene guanidine propionate disinfectant has the advantages of broad spectrum of disinfection, quick results, long-time disinfection capability, high safety, non-toxicity, environmental protection, high stability, easy application, quick infiltration and volatilization, no coloration, easy cleaning, and the like. The polyhexamethylene guanidine propionate disinfectant has strong sterilization functions for colon bacillus, staphylococcus aureus, candida albicans, and the like with two-year effective periods. The polyhexamethylene guanidine propionate disinfectant can be used for disinfection of skins, wound surfaces, hands, air, departments of gynecology and urology, drinking water, and the like, thereby being a novel and ideal disinfectant.

The invention relates to the bactericide technical field, in particular to a method for producing and making polyhexamethylene guanidine hydrochloride. The method comprises the following steps that: a. the raw material is matched; the mass ratio of guanidine hydrochloride to 1,6-diaminohexane is 1:1; b. the matched raw materials are put into a reaction kettle and are heated to the complete dissolution as well as are mixed sufficiently, the temperature is raised to between 120 and 200 DEG C, a catalyst is added in the temperature-rise period; 2. the reaction lasts 2 to 3 hours to the extent that no NH3 discharges from the reaction kettle, the reaction is over, and the product of polyhexamethylene guanidine hydrochloride is obtained. The method solves the problems of the prior polyhexamethylene guanidine hydrochloride that the polymerization degree is low, the sterilization period is short, and the pH range is not wide.

The invention provides a disinfectant wet tissue, and relates to the field of daily necessities. The disinfectant wet tissue contains 0.02-5.0 percent by weight of a disinfecting ingredient, namely polyhexamethylene guanidine, as well as a carrier namely wood pulp tissue or non-woven fabric. A method for manufacturing the disinfectant wet tissue comprises the following steps: preparing a disinfectant solution from each ingredient of a disinfectant according to a corresponding proportion; putting the carrier, namely the wood pulp tissue or non-woven fabric, into the disinfectant solution; and sealing and packaging after the carrier soaks enough disinfectant solution. The weight ratio of the disinfectant solution to the carrier, namely the wood pulp tissue or non-woven fabric, is (2-7):1. The disinfectant wet tissue can be used for disinfecting surfaces of hands and objects to kill bacteria, viruses and other harmful microorganisms, belongs to efficient disinfection, is environment-friendly, non-toxic, non-irritant and non-corrosive, and is convenient to use.

The invention relates to a composite antibacterial polyurethane block polymer and preparation and application thereof. A double-component solvent-free synthesis method is mainly adopted, and polyisocyanates, a mixed hydroxyl polymer, a liquid diamine chain extender, hyamine and guanidinium composite reaction type antibacterial functional monomers and s-triazine are subjected to copolycondensationto synthesize the composite antibacterial polyurethane block polymer. According to the preparation method, di-hydroxyl hyamine and polyhexamethylene guanidine are grafted into a polyurethane main chain, the two types of antibacterial agents are compounded in use, and the advantages of the two antibacterial agents are given full play to respectively. While the polyurethane material modified throughthe complex of the hyamine and the guanidinium reserves the original advantages of polyurethane, the antibacterial property and the lasting antibacterial performance of the polyurethane are improved,but the mechanical property is slightly reduced; in order to solve the problem that the mechanical property is reduced, the antibacterial agent s-triazine is added, the s-triazine contains three hydroxy groups which can react with -NCO, the mechanical property of the PU can be improved, and safe, nontoxic and long-acting antibacterial effects are achieved.

The invention provides a synthetic method for polyhexamethylene guanidine phosphate and poly hexamethylene guanidine phosphate synthesized by the method. The polyhexamethylene guanidine phosphate is obtained by the steps of reacting dicyandiamide and ammonium dihydrogen phosphate to synthesize an aminoguanidine dihydrogen phosphate salt, and then reacting the aminoguanidine dihydrogen phosphate salt with 1, 6-hexamethylene diamine. The method for synthesizing the polyhexamethylene guanidine phosphate is proper in selection of raw materials and technical process, simple in preparation method and low in cost, and is suitable for industrialized production. The prepared polyhexamethylene guanidine phosphate has the characteristics of no toxicity, no stimulation and no corrosion, and has very good killing effect for mildew.

The invention relates to a composite bactericide of nano-silver and polyhexamethylene guanidine and a processing technology of the composite bactericide. The composite bactericide comprises the nano-silver, the polyhexamethylene guanidine, dispersing agents, stabilizers, complexing agents and water. The composite bactericide is a water solution, the mass ratio of the nano-silver to the polyhexamethylene guanidine is (1:100)-(1:10000), the total mass of the nano-silver and the polyhexamethylene guanidine accounts for 1%-50% of the total solution mass, the mass of the dispersing agents accounts for 0.1%-10% of the total solution mass, the mass of the stabilizers accounts for 0.1%-10% of the total solution mass, the mass of the complexing agents accounts for 1%-30% of the total solution mass, and the balance is the water. The composite bactericide is high in sterilization efficiency and low in cost.

The invention discloses a quaternary ammonium salt disinfection solution, and a preparation method and application thereof. The quaternary ammonium salt disinfection solution comprises the following components: hexamethylenetetramine, benzalkonium bromide, benzalkonium chloride, polyhexamethylene guanidine, Tween 80, octadecyldimethylbenzyl chloride, isopropanol and sterile water. The invention further discloses a method for preparing the disinfection solution. According to the invention, hexamethylenetetramine, benzalkonium bromide, benzalkonium chloride, polyhexamethylene guanidine, octadecyldimethylbenzyl chloride and Tween 80 are combined together according to a specific mixing proportion, and the components have synergistic effects, so a variety of disadvantages of a single disinfectant variety or a simply-mixed disinfectant are overcome, and a variety of bacteria, fungi, spores and viruses can be thoroughly killed; meanwhile, the disinfection solution is safe to human body, is free of toxicity and stimulation, is convenient to use, can be directly used by being diluted with water, realizes one-step completion of disinfection and cleaning, has no corrosion to equipment and no harm on the environment, and is biodegradable.

The invention discloses a method for producing adipic acid, hexamethylenediamine hydrochloride and polyhexamethylene (di)guanidine chloride from waste nylon-66 serving as a raw amerial through depolymerization, which is characterized by comprising the following steps of: depolymerizing the waste nylon-66 by using hydrochloric acid to obtain refined adipic acid and hexamethylenediamine hydrochloride; polymerizing the hexamethylenediamine hydrochloride and dicyandiamide (in a molar ratio of 1:1) at the temperature of between 170 and 190DEG C for 1 to 3 hours to obtain a white or pale yellow solid polyhexamethylene diguanidine chloride; and adding dicyandiamide and ammonium chloride powder in a molar ratio of 1:2 into a reactor, performing reaction at high temperature for 1 to 3 hours, slowly adding hexamethylenediamine hydrochloride powder, continuously reacting for 3 to 7 hours to obtain a white or pale yellow solid polyhexamethylene guanidine chloride. The method improves production efficiency, reduces production cost, and solves the problems of difficult separation of the product hexamethylenediamine due to depolymerization, low yield and poor benefit; and the technological process is environment-friendly, simple and convenient, and is suitable for industrial production.

The invention discloses a multifunctional environment-friendly infant wet tissue and a preparation method thereof. The wet tissue comprises a high-grade moisture-proof facial tissue and wet tissue liquid, wherein the wet tissue liquid consists of the following raw materials: deionized water, a preservative, chamomile essential oil, perilla frutescens extract liquid, polyhexamethylene guanidine, a folium artemisiae argyi extract, anhydrous ethanol, xylitol, lavender extract liquid, geranium extract liquid, menthol, eucalyptus oil, olive extract liquid, vitamin E, an aloe extract and glycerol. In the invention, the prepared infant wet tissue has the functions of cleaning and disinfecting, repelling mosquitoes and relieving itching and preserving moisture and protecting skin, emits a fresh smell and is non-irritant and safe and environment-friendly.

The invention belongs to the technical field of disinfectants, in particular to a citric acid decalcified disinfectant applied to dialysis machinery and water treatment and a preparation method of the citric acid decalcified disinfectant. The citric acid decalcified disinfectant comprises the following raw materials: 0.001 to 5.0 percent of poly-hexamethylene guanidine, 10 to 50 percent of citric acid, 20.0 to 40 percent of lactic acid, 10 to 30 percent of malic acid and the balance of deionized water, wherein citric acid, poly-hexamethylene guanidine, lactic acid and malic acid serve as main raw materials; poly-hexamethylene guanidine has a fast powerful bactericidal effect, is free from organic materials, pH value and temperature, and is colorless, smell-less, non-combustible, non-explosible, safe, environment-friendly, and convenient to use. The disinfectant is especially used for cleaning and disinfecting various hemodialysis machineries, and is high in disinfecting and organic material removing capabilities.

The invention discloses a disinfectant special for an inspection instrument in the inspection department and a preparation method of the disinfectant. The disinfectant is prepared mainly by the following steps of crushing pawpaw, fructus aurantii immaturus, schisandra chinensis, pericarpium citri reticulatae, smoked plum, chinese holly, pomegranate bark, exocarpium, eucalyptus robusta smith, dogwood, folium eriobotryae, selfheal, myrobalan, corn silk, ligusticum wallichii, glossy privet fruits and pericarpium citri reticulatae viride, soaking, heating and reflowing, wherein an auxiliary material is a filter liquor which is prepared by heating poinsettia, radix angelicae, hemp fimble stem-fibre, subprostrate sophora and fungus-infected rice spike with ethanol and extracting, wherein an additive of polyhexamethylene guanidine is added. The disinfectant is faintly acid, and the environmental acidity can be changed, so that most bacteria which grow best within a PH range of 6.0 to 8.0, have the strongest enzymatic activity and strongly grow and breed cannot exist, and the bacterial growth is effectively inhibited; the disinfectant is easily dissolved in water, and the disinfectant is easily washed out without residues after being used; the disinfectant has the advantages of being small in corrosivity, good in stability and simple in preparation process, can be widely applied to disinfecting the inspection instrument in the inspection department and is suitable for mass production.

The invention relates to a disinfectant, in particular to the rapid skin disinfectant and a preparation method thereof. The alcohol-containing PHMG iodine disinfectant comprises components with the following percentages by weight: 0.05 to 2 percent of PHMG; 0.1 to 5 percent of iodine; 30 to 80 percent of alcohols; 0.1 to 2 percent of stabilizer; 0.1 to 1 percent of penetrating agent; 0.1 to 2 percent of skin care agent; 0.1 to 0.8 percent of phosphoric acid with the concentration of 10 percent and the rest of water. The preparation method of the alcohol-containing PHMG iodine disinfectant is that: the PHMG and the iodine are added in the alcohol according to the components and the contents of the disinfectant, the mixture is heated and mixed for 0.5 to 2 hours at the temperature of 30 to 70 DEG C, the stabilizer, the penetrating agent, the skin protective agent and the phosphoric acid of 10 percent are then respectively added, the water is finally added to 100 percent to be evenly mixed, and the disinfectant is obtained. The disinfectant has strong sterilization ability and very high stability, and the effective period is as long as two years, thus being the ideal rapid skin disinfectant.

The invention provides a composite bactericide for paper making white water. The bactericide comprises the following components in percentage by weight: 0.9 to 2.7 percent of 5-chloro-2-methyl isothiazolizone-3-ketone, 0.5 to 1.5 percent of 2-methyl isothiazolizone-3-ketone and 5 to 20 percent of polyhexamethylene guanidine. After the bactericide is added into a white water system, various microorganisms in paper pulp and the white water system can be killed quickly, the formation of biological fouling in a circulating system can be restrained for a long time, slime pulp defects such as spots, pores, broken ends and the like caused by microorganisms on a paper sheet are effectively overcome, and machine halt vehicle brushing frequencies are lowered.

The invention discloses a nonwoven fabric composite antibacterial agent and a preparation method thereof, and relates to the technical fields of disinfectants and bactericides. The composite antibacterial agent comprises following components in percentage by weight: 15 to 40% of polyhexamethylene biguanidine hydrochloride antibacterial agent or polyhexamethylene guanidine antibacterial agent; 1 to10% of cation quaternary ammonium salt antibacterial agent; 1 to 2.5% of fatty alcohol polyoxyethylene ether; 0.4 to 2% of polyethylene glycol, 0.5 to 1.5% of dioctadecyl dimethyl ammonium chloride;and the balance being pure water, wherein the total percentage by weight is 100%. By compounding a polyhexamethylene guanidine antibacterial agent and a cation quaternary ammonium salt antibacterial agent, the bactericidal effect is enhanced, the bactericidal performance is improved, the bactericidal spectrum is enlarged, moreover, the antibacterial agent can be firmly adsorbed on nonwoven fabricsand is difficult to fall off, and the washing fastness of the antibacterial agent is increased.

The invention relates to a compound polyhexamethylene guanidine complexing iodine disinfector and a preparation method thereof. The compound polyhexamethylene guanidine complexing iodine disinfector comprises the following components in percentage by mass: 0.1-0.5 percent of polyhexamethylene guanidine, 0.5-5 percent of PVP-I (polyvinylpyrrolidone iodine), 30-70 percent of ethanol, 0.1-1 percent of non-ionic surface active agent, 0.5-3 percent of skin-protecting agent, 0.05-0.2 percent of citric acid and the balance of water. The preparation method of the compound polyhexamethylene guanidine complexing iodine disinfector comprises the following steps of: adding polyvinylpyrrolidone iodine into the water according to the content and the components, and stirring the mixture to dissolve; sequentially adding the non-ionic surface active agent, the skin-protecting agent and the citric acid, and stirring the mixture to dissolve; adding and stirring ethanol to the mixture uniformly; and adding and stirring polyhexamethylene guanidine to the mixture uniformly to obtain the compound polyhexamethylene guanidine complexing iodine disinfector. The compound polyhexamethylene guanidine complexing iodine disinfector has the characteristics of stable characteristics, quick and lasting sterilization function, low simulation to skins, quick drying and convenient use.

The invention discloses antibacterial HDPE plastic comprising the components of, by weight, 100 parts of HDPE and 0.3-0.5 parts of a composite antibacterial agent. The composite antibacterial agent is composed of the components of, by weight: 2-6 parts of cedar oil, 4-8 parts of chitosan, 10-20 parts of nano-grade copper oxide, 15-25 parts of nano-grade silver oxide, 30-50 parts of polyhexamethylene guanidine phosphate, and 2-4 parts of trichlorocarbanilide. The antibacterial HDPE plastic provided by the invention has high bacterium inhibition, bacterium killing, and anti-mildew effects. The antibacterial HDPE plastic can be used in packaging.

The invention provides a structural antibacterial acrylic emulsion, and a preparation method and an application thereof. The structural antibacterial acrylic emulsion is prepared from an emulsifier, an initiator, sodium bicarbonate and a polymerizable antibacterial monomer polyhexamethylene guanidine hydrochloride modified with butyl acrylate, methylmethacrylate and allyl glycidyl ether in a semi-continuous seed emulsion polymerization manner. The preparation method is simple and environmentally-friendly, and is suitable for industrial production; the polyhexamethylene guanidine hydrochloride used as an antibacterial functional group makes the prepared emulsion reserve the self antibacterial capability of the polyhexamethylene guanidine hydrochloride, makes the emulsion and a film formed by the emulsion have excellent antibacterial properties, has no influences on the other performances of the emulsion, and is very safe to human bodies.

The invention discloses a papermaking additive composition and a preparation method thereof. The papermaking additive composition is prepared from the following components in parts by weight: 30-35 parts of polyoxypropyl glyceryl ether, 20-30 parts of stearin, 20-30 parts of glass fibers, 10-15 parts of calcium carbonate whisker, 10-15 parts of polyhexamethylene guanidine hydrochloride, 3-5 parts of 4,4'-diphenylmethane-diisocyanate and 2-5 parts of sodium hydrogen disulfate. According to the papermaking additive composition, bad bubbles in the paper pulp preparation process can be eliminated, and pulp can be well dispersed, so that the paper has the excellent water-retaining property, antibacterial property and mechanical strength and can be preserved for a long time.

The invention discloses an antibacterial PVC wood plastic plate. The antibacterial PVC wood plastic plate is prepared from, by weight, 100 parts of PVC-1300, 20-30 parts of PVC-1000, 10-20 parts of C 9 petroleum resin, 40-50 parts of modified nano calcium carbonate, 6-8 parts of corn straw powder, 0.5-1 part of AC foaming agents, 0.3-0.6 part of sodium bicarbonate, 1-3 parts of calcium and zinc stabilizers, 2-3 parts of silane coupling agents KH550, 2-3 parts of ACR, 0.2-0.5 part of microcrystalline wax, 0.2-0.5 part of stearic acid, 3-4 parts of PVC foaming regulators ZB-530, 4-5 parts of molybdenum oxide, 0.5-1.0 part of ammonium polyphosphate, 1-1.5 parts of zinc borate, 0.2-0.4 part of nanometer titanium dioxide and 3-4 parts of polyhexamethyleneguanidine phosphate. Extrusion shaping is performed through a conventional extruding machine. The PVC plate has good antibacterial performance, meanwhile has good impact resistance and tensile strength and has the advantages of being resistant to chemical corrosion and low in cost.

The invention relates to an antibacterial hand sanitizer containing polyhexamethylene guanidine, in particular to a compound polyhexamethylene guanidine antibacterial hand sanitizer. The compound polyhexamethylene guanidine antibacterial hand sanitizer is characterized in that: the antibacterial hand sanitizer comprises the following ingredients by weight percentage: 0.1-1.0 of PHMB (polyhexamethylene biguanidine), 0.1-0.5 of cationic surface active agent, 0.5-1.0 of cellulose, 4.0-7.0 of non-ionic surface active agent, 1.0-3.0 of lipotropic agent, 4.0-8.0 of amphoteric surfactant, 1.0-2.0 of glycerol, 0.5-1.5 of citric acid and the balance water. The preparation method of the antibacterial hand sanitizer comprises the following steps: enough water is added in an agitated reactor, and the temperature is heated to 60-80 DEG C, cellulose is added in water under stirring, after the cellulose is completely swelled, the non-ionic surface active agent, the lipotropic agent, the amphoteric surfactant and the glycerol are sequentially added, after the mixture is mixed evenly, bromogeramine and the PHMB are added and are stirred for five minutes, when the temperature of a feed liquid in the agitated reactor is reduced to room temperature, a proper amount of citric acid is added to adjust the pH value of the feed liquid to be neutral, and filling can be carried out on the mixture subjected to standing and defoaming. In the antibacterial hand sanitizer provided by the invention, a cationic surface active agent is compounded as a sterilization ingredient and has synergy function, and the antibacterial hand sanitizer is used for washing easily without irritation.

The invention relates to an antibacterial and bacteria-isolation SMMS composite non-woven fabric. The SMMS composite nonwoven fabric is formed by compounding a first spunbond non-woven fabric layer, afirst meltblown layer, a second meltblown layer, and a second spunbond non-woven fabric layer, wherein the first spunbond non-woven fabric layer and the second spunbond non-woven fabric layer are respectively an upper surface layer and a lower surface layer, the first meltblown layer and the second meltblown layer are intermediate layers, the spunbond non-woven fabric layers and the meltblown layers are all obtained by using polypropylene as a raw material and adding an antibacterial agent for processing, and the antibacterial agent is a chemical and biological compound antibacterial agent ofpolyhexamethyleneguanidine and gamma-polyglutamic acid. The SMMS composite non-woven fabric has the antibacterial and bacteria-isolation functions, the use of the spunbond non-woven fabric layers asthe upper and lower surfaces can ensure that the non-woven fabric has certain strength, good tear resistance, and good wear resistance, the intermediate layers adopt double-layer meltblown, permeability resistance is ensured while the air-permeability and bacteria-isolation performance are good, the resistance to bacteria is not produced, and the use is safe and reliable.

The invention relates to paint, and particularly relates to high temperature-resistant acid-resistant anti-corrosion priming paint. The high temperature-resistant acid-resistant anti-corrosion priming paint is prepared from the following raw materials in parts by weight: 12-14 parts of E-12 epoxide resin, 20-24 parts of organic silicon resin, 10-12 parts of amine resin, 3-5 parts of mica powder, 1-2 parts of polyhexamethylene guanidine hydrochloride, 25-30 parts of epoxy acrylate, 2-3 parts of hydroxyethyl methacrylate phosphate, 5-8 parts of isobornyl acrylate, 1-2 parts of triethanolamine, 3-4 parts of p-tert-pentylphenol, 3-4 parts of methyl acrylate, 1-2 parts of cross-linking agents TAIC (Triallyl Isocyanurate), 8-10 parts of isoamyl butyrate, 24-28 parts of nanometer diatomite powder, 7-9 parts of linseed alkyd resin, 1-2 parts of anti-aging agents NBC, 2-3 parts of isocyanate, 2-3 parts of zinc naphthenate, 5-6 parts of auxiliary agents, 10-12 parts of dimethylbenzene and 10-12 parts of butyl acetate. The high temperature-resistant acid-resistant anti-corrosion priming paint disclosed by the invention has the advantages of high paint adhesive force, brightness in paint film colour and lustre, fast drying, high-temperature damage endurance, acid resistance, anti-corrosion and long service life and is priming paint with excellent comprehensive property.

The invention discloses antibacterial PBT plastic comprising the components of, by weight, 100 parts of PBT and 0.3-0.5 parts of a composite antibacterial agent. The composite antibacterial agent is composed of the components of, by weight: 2-6 parts of cedar oil, 4-8 parts of chitosan, 10-20 parts of nano-grade titanium dioxide, 15-25 parts of nano-grade silver oxide, 30-50 parts of polyhexamethylene guanidine phosphate, and 2-4 parts of trichlorocarbanilide. The antibacterial PBT plastic provided by the invention has high bacterium inhibition, bacterium killing, and anti-mildew effects. The plastic can be used for preparing household devices such as food processing blades, vacuum cleaner components, electric fans, hair dryer shells, coffee containers, and the like; electrical components such as switches, motor shells, fuse boxes, computer keyboard buttons, and the like; and automotive industry parts such as radiator frame windows, vehicle body panels, wheel covers, door and window parts, and the like.

A hydrophilic liquid disinfectant for surgical operation, trauma, burn, perineal mucosa, oral mucosa, vaginal mucosa, etc is prepared through adding iodine, chlorhexidine and polyhexamthylene guanidine to non-ionic surfactant, heating, stirring, adding penetrant, phosphoric acid and water, and stirring.

The invention discloses nutrient fluid for culturing broadleaf bracket-plant without soil, belonging to the field of chemical fertilizer. The formula of the nutrient fluid comprises the following components in g / l: 7-8 g / l of ammonium sulphate, 6-7 g / l of magnesium sulfate, 18-20 g / l of calcium sulphate, 9-10 g / l of monopotassium phosphate, 18-20 g / l of potassium nitrate, 0.08-0.09 g / l of potassium iodide, 0.16-0.18 g / l of boric acid, 0.04-0.06 g / l of manganous sulfate, 0.015-0.018 g / l of zinc sulfate, 0.07-0.08 g / l of ferrous sulfate, 5-6 g / l of sucrose, 0.05-0.06 g / l of nicotinic acid, 0.02-0.03 g / l of glycine, 0.08-0.09 g / l of polyhexamethylene guanidine and 0.05-0.07 g / l of pyridoxine hydrochloride. The nutrient fluid has the following beneficial effects that the concentration and the proportion of the nutrient substance are proper, so that the growing and the multiplying of the broadleaf bracket-plant and the accumulating of metabolite can be prompted; macromolecular polymerized antibiont is added in the nutrient fluid of the broadleaf bracket-plant, so that the cleaning and adsorption effects of the broadleaf bracket-plant on harmful substances in the air and the sterilizing effect on pathogenic bacteria are strengthened.