64 results about "Polyaminopropyl biguanide" patented technology

The invention relates to the field of daily life, in particular to a wet tissue and a preparation method of the wet tissue. The wet tissue comprises a wet tissue body and wet tissue liquid sprayed on the wet tissue body, and the weight of the wet tissue liquid is 2 times-3 times that of the wet tissue body. The wet tissue liquid comprises, by weight, 0.1-1.0% of limonene, 0.6-6.0% of alkyl glycoside, 0.1-0.3% of polyaminopropyl biguanide, 0.05-0.1% of benzalkonium chloride, 0.05-0.3% of vitamin E, 0.1-1.0% of an aloe extracting solution, 0.005-0.15% of citric acid and 91.45-98.995% of deionized water. According to the wet tissue, the formula of the wet tissue liquid is improved, so that potential safety hazards (such as irritation, corrosivity and carcinogenicity) existing in the prior art are eliminated, and the really safe and nontoxic wet tissue is supplied to people for daily cleanness.

The present invention relates to mucomimetic and ophthalmic solutions comprising a cationic multimeric antimicrobial agent such as polyaminopropyl biguanide and a magnesium, calcium or magnesium / calcium complex of an anionic polymer such as hyaluronate, alginate, carboxymethyl cellulose, chondroitin sulfate or mixtures thereof. In specific embodiments, the solutions include additional components such as a surfactant, preferably polysorbate 20, a viscosity-modifying agent, preferably hydroxypropylmethyl cellulose, carboxymethyl cellulose or hydroxyethyl cellulose, a tonicity agent and a buffer. The solutions are biocompatible with and are highly comfortable when administered to mucous membranes, including those of the eye, as well as are effective disinfectants.

The invention relates to a polyaminopropyl-biguanide-containing preservative used for control of orange stem-end rot, and preparation and applications of the preservative. The preservative comprises following components by weight: 10-45% of polyaminopropyl biguanide, 5-15% of an aseptic, 2-10% of a bioactivator and 10-20% of an emulsifier, with the balance being water. The preservative significantly reduces the generation of disease postharvest of the oranges and tangerines, controls the stem-end rot, has significant preservative and fresh-keeping effects, delays fruit senescence and prolongs the storage period and the shelf lifetime of the fruits. The preservative has characteristics of safety, environmental protection, no pollution to the environment, simple preparation method, low comprehensive cost, flexible and convenient using method, and easy popularization and application.

The invention relates to an environment-friendly and ecological orange preservation method and a preservative and belongs to the field of picked fruit and vegetable preservation. According to the method, firstly, fruits for storage are screened; the fruits are soaked in a solution containing polyaminopropyl biguanide for 1-2 minutes to be sterilized; the sterilized oranges are soaked in biological fresh-keeping liquor containing bacillus subtilis R31to be processed for 1-2 minutes; individual packing is conducted on the fruits through polyethylene bags. After oranges are preserved through the method, the purpose of environment-friendly and ecological preservation of oranges can be achieved, the effect equivalent to that of a chemical disinfectant is guaranteed, that is, the rotting rate of oranges is lowered, orange quality is maintained, the length for preservation is prolonged, the orange commodity value is guaranteed, and the market competitiveness of preserved commodities is improved while preservation through the chemical sterilization agent is avoided, residues are reduced, the food safety risk is lowered, consumption of the chemical disinfectant is reduced, influences on the ecology and the environment are reduced, and the method and the preservative are environmentally friendly, ecological and capable of protecting the environment. The method is suitable for industrial production and application and popularization and has good market popularization prospects.

The invention relates to a pet deodorizing and odor removing wet tissue and a method for manufacturing the same. The pet deodorizing and odor removing wet tissue comprises a non-woven fabric. The non-woven fabric is used as a carrier for pet deodorizing and odor removing cleaning liquid, the weight ratio of the pet deodorizing and odor removing cleaning liquid to the carrier is 3-3.5:1, the pet deodorizing and odor removing cleaning liquid comprises, by weight, 1%-3% of sodium dodecyl sulfate or sodium cocoamphoacetate or polysorbates 20, 1%-5% of propylene glycol or polyether triols-26 or dipropylene glycol, 0.1%-3% of plant extract liquid, 0.1%-3% of PEG (polyethylene glycol)-75 lanolin or silicone quaternium-17 or dimethyl siloxane, 0.2% of daily use chemical essence, 0.3%-0.6% of phenoxyethanol or polyaminopropyl biguanide or benzalkonium chloride, 0.1% of disodium EDTA (ethylene diamine tetraacetic acid), 0.1%-1% of citric acid and 84.1%-97.1% of deionized water. The pet deodorizing and odor removing wet tissue and the method have the advantages that the method is simple and safe and is free of pollution; the pet deodorizing and odor removing wet tissue is mild, has light fragrance and is free of irritation, and the hair of pets can be conditioned and protected and has certain gloss.

The invention provides special make-up remover for eyes and lips. The special make-up remover is characterized by being prepared from raw materials in percentage by weight as follows: 2%-10% of poloxamer 184, 2%-5% of cyclopentasiloxane, 0.2%-0.4% of polyaminopropyl biguanide, 1%-4% of isohexadecane, 2%-8% of a soothing agent, 1%-6% of propylene glycol, 2%-8% of hexanediol, 0.01%-1% of phenoxyethanol and the balance of deionized water. The special make-up remover can remove eyeliners, various cosmetics on the lips, BB cream and other cosmetic and skin-care products, is mild and non-irritant, keeps great stability and transparency when the temperature is as low as about 4 DEG C or as high as 48 DEG C and is not layered or flocculated, and the face does not feel dry or tight after the cosmetics are removed. The invention further provides a preparation method of the make-up remover.

The invention discloses a chitosan quaternary ammonium salt multi-sterilization-system contact lens care solution, which is prepared from sterilization agents, moisture preservation agents, cleaning agents, buffer agents, osmotic pressure regulating agents and chelating agents, wherein the sterilization agents comprise chitosan quaternary ammonium salt and one or a mixture of several kinds of materials selected from poly-quaternary ammonium salt, polyhexamethylene biguanidine hydrochloride, polyaminopropyl biguanide and myristoyl propyl dimethylamine. The chitosan quaternary ammonium salt multi-sterilization-system contact lens care solution has the advantages that the content of each sterilization agent can be reduced through a multi-sterilization-agent system; the cooperated and matching effect between the sterilization agents can be sufficiently utilized; good sterilization performance and biocompatibility can be ensured; the duplex effects of sterilization and moisture preservation are achieved.

The invention discloses a mild washing product for infants and a preparation method thereof. The wash product is composed of the following components in percentage by weight: a group A: 1-15% of glycerol; 1 to 10% of C12-14 hydroxyalkyl hydroxyethyl sarcosine; 1 to 10% of sodium lauryl polyether-4-carboxylate; 1 to 10% of disodium cocoamphodiacetate; a group B: 1.1-25% of a surfactant; 0.1 to 1% of disodium EDTA; 0.1 to 1% of allantoin; a group C: 1-3% of a thickening agent; a group D: 0.1-5% of a first skin feeling regulator; 0.1-1% of a second skin feeling regulator; 0.1 to 1% of polyquaternium-52; a group E: 0.01 to 0.1% of a pH regulator; a group F: 0.21 to 6.1% of a skin conditioner; 0.01 to 0.3% of polyaminopropyl biguanide; 0.08 to 0.7% of inulin; 0.02 to 0.3% of fructo-oligosaccharide; 0.1 to 5% of a pseudoalteromonas fermentation product extract; 0.1-5% of a lactobacillus fermentation lysate; and the balance being water. The wash product can be used for infant washing and nursing, and has the functions of repairing and enhancing skin barrier and promoting water-oil balance.

The invention provides spraying cleansing water without irritating to eyes. According to the formula of the spraying cleansing water, the spraying cleansing water comprises, by weight, the components of 2%-10% of poloxamer 184, 3%-10% of glycerinum, 1%-5% of relieving agents, 0.1%-0.3% of polyaminopropyl biguanide, 0.001%-0.05% of essence, and the balance water. The spraying cleansing water has no irritating to the eyes, and face makeup can be removed safely and effectively.

The invention discloses a bacteriostatic preservative composition and a cosmetic composition comprising same. The bacteriostatic preservative composition includes oil of eucalyptus citriodora leaves and at least one additive selected from the following components: 1,2-alkylglycol being 3-10 in carbon number, phenoxyethanol, benzyl alcohol, chlorphenesin, ethylhexyl glycerin, p-hydroxybenzoic acid and salts and esters thereof, benzoic acid and salts and esters thereof, sorbic acid and salts thereof, iodopropynyl butylcarbamate, imidazolidinyl urea and bis(hydroxymethyl)imidazolidinyl urea, polyaminopropyl biguanide, DMDM hydantoin, 2-bromo-2-nitropropane-1,3-diol, methyl isothiazolinone, methyl chloroisothiazolinone or a mixture of the components. The bacteriostatic preservative composition significantly improves mildew-proof and anti-bacterial performance.

The invention discloses a preservative, a preparation method thereof and an application of the preservative, and belongs to the technical field of preservation. The preservative comprises a biologicalpreservative component, a chemical preservative component and a solvent; the biological preservative component comprises a lactobacillus fermentation product; the chemical preservative component comprises optional one or more of phenoxyethanol, 1, 2-hexanediol, caprylyl glycol, polyaminopropyl biguanide and glycerol caprylate. The biological preservative component and the chemical preservative component are combined to obtain the preservative with synergistic interaction of biological preservation and chemical preservation, the dosage of the preservative is reduced, the irritating effect of achemical preservative with a large dosage on skins is reduced, and the problem of large toxic and side effects of an existing chemical preservative is solved. Besides, the prepared preservative is good in preservation capacity, wide in antibacterial spectrum and antibacterial range and long in preservative effect duration. In addition, the invention further relates to the preparation method and the application of the preservative.

The invention provides nose mucus-cleaning soft wet wipes for babies; an original liquid comprises 0.33% normal saline, a chamomile extract liquid, a preservative, glycerin, vitamin E, a stabilizer, and the balance RO pure water or deionized water, wherein the preservative is at least one of bronopol and polyaminopropyl biguanide; the stabilizer is at least one of EDTA-2Na and EDTA-4Na. The nose mucus-cleaning soft wet wipes for babies provided by the invention have the advantages of mild nature, simple preparation process, no damage to baby skin when in use, disinfection and sterilization effects, and no toxic or side effects.

The invention relates to the technical field of disinfection spray, in particular to benzalkonium chloride composite disinfection spray and a preparation method thereof. The benzalkonium chloride compound sterilization and disinfection spray is prepared from the following components in parts by mass: 5 to 25 parts of benzalkonium chloride, 5 to 25 parts of polyaminopropyl biguanide, 15 to 40 parts of natural herbal extract, 10 to 20 parts of ethanol, 2 to 6 parts of humectant, 0.1 to 2 parts of pH regulator, 1 to 5 parts of lubricant and 15 to 20 parts of deionized water. Compared with the prior art, the benzalkonium chloride composite sterilization and disinfection spray is good in disinfection effect, high in use safety and good in comfort.

The invention relates to the field of daily life, in particular to a wet tissue and a preparation method of the wet tissue. The wet tissue comprises a wet tissue body and wet tissue liquid sprayed on the wet tissue body, and the weight of the wet tissue liquid is 2 times-3 times that of the wet tissue body. The wet tissue liquid comprises, by weight, 0.1-1.0% of limonene, 0.6-6.0% of alkyl glycoside, 0.1-0.3% of polyaminopropyl biguanide, 0.05-0.1% of benzalkonium chloride, 0.05-0.3% of vitamin E, 0.1-1.0% of an aloe extracting solution, 0.005-0.15% of citric acid and 91.45-98.995% of deionized water. According to the wet tissue, the formula of the wet tissue liquid is improved, so that potential safety hazards (such as irritation, corrosivity and carcinogenicity) existing in the prior art are eliminated, and the really safe and nontoxic wet tissue is supplied to people for daily cleanness.

The invention discloses bare concrete. The bare concrete is characterized by being prepared from, by weight, 5-10 parts of surface modified nano-boron fiber, 5-10 parts of kaolin, 10-15 parts of illite powder, 20-30 parts of gravel, 5-10 parts of vermiculite sand, 20-30 parts of silver sand, 40-50 parts of Portland cement, 1-5 parts of a compound additive and 20-30 parts of water. The compound additive comprises, by weight, 20-25 parts of a phosphate borate copolymer, 2-5 parts of zinc citrate, 1-3 parts of pyrophyllite powder, 1-3 parts of wollastonite powder, 2-4 parts of porous magnesium silicate, 0.5-1 part of a defoaming agent, 0.8-1.5 parts of polyaminopropyl biguanide, 0.5-2 parts of hydroxypropyl cyclodextrin, 1-3 parts of an activator and 80-100 parts of water. The invention further discloses a preparation method of the bare concrete. The bare concrete is high in compressive strength, good in corrosion resistance, impermeability and crack resistance and excellent in comprehensive performance, and production and application are safe and environmentally friendly.

The invention provides a preparation method of blending liquid of Chinese herbal medicine facial mask powder. The preparation method comprises the following steps: step 1, weighing ingredients: sequentially weighing 30-65 parts of deionized water, 12-25 parts of butanediol, 1-6 parts of polyaminopropyl biguanide stearate, 3-12 parts of a chrysanthemum extract, 2-12 parts of a honeysuckle flower extract, 2-8 parts of 1,2-hexanediol, 1-9 parts of PEG-40 hydrogenated castor oil and 2-8 parts of borneol; and step 2, preparing the blending liquid of the Chinese herbal medicine facial mask powder, and stirring and thoroughly mixing the ingredients weighed in the step 1 to prepare the blending liquid of the Chinese herbal medicine facial mask powder. The prepared blending liquid of the Chinese herbal medicine facial mask powder can brighten and smooth skin, moisten skin and muscle, enable the skin and muscle to be compact and maintain appropriate moisture of the skin, and has notable effectson exertion of the efficacy of resisting oxidization. The Chinese herbal medicine facial mask powder can impregnate into the surface layer of skin, can well reserve effective components, and can achieve good effects of resisting wrinkles and preventing ageing.

The invention provides an antibacterial PVC pipe which is prepared from the following raw materials in parts by weight: 90-110 parts of polyvinyl chloride, 20-30 parts of an antibacterial functional copolymer, 10-15 parts of a surface modified biomass carbon fiber / sepiolite powder / silver oxide composite, 3-7 parts of chitosan fiber, 1-3 parts of polyaminopropyl biguanide, 1-3 parts of a stabilizerand 3-5 parts of a lubricant. The antibacterial functional copolymer comprises 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethanesulfonamide)-5-pyrimidine]-(3R)-tert-butyldimethylsiloxy-5-oxo-(6E)-methyl heptanoate, (E)-3-(2-(1H-tetrazole-5-yl) vinyl)-6-fluoro-1H-indole, 1-allyl hydantoin, 1-(4-pyridyl)-3-(2-quinolinyl)-2-propene-1-one, 3-(2,1,3-benzothiadiazole-5-yl)-3-hydroxy-2-ethyl acrylateby free radical copolymerization. The invention also discloses a preparation method of the antibacterial PVC pipe. The antibacterial PVC pipe has the advantages of excellent comprehensive performance, good high and low temperature resistance, high toughness and strength, and remarkable antibacterial effect.

The invention provides multi-functional disinfection and sterilization liquid. The multi-functional disinfection and sterilization liquid is prepared from the following raw materials: propylene glycol, ethanol, polysorbate-20, benzalkonium chloride, didecyl dimethyl ammonium chloride, polyaminopropyl biguanide, phenoxyethanol, essence, a herbal extract and deionized water. The multi-functional disinfection and sterilization liquid has the beneficial effects that the benzalkonium chloride, the didecyl dimethyl ammonium chloride and the polyaminopropyl biguanide are adopted as main bactericidal components and used together with the propylene glycol and the herbal extract, so that the bactericidal rate of staphylococcus aureus, escherichia coli and candida albicans is greater than 90%, and effective and quick sterilization can be achieved; and the multi-functional disinfection and sterilization liquid provided by the invention has the advantages of no irritation to skin, convenience and rapidness in use and no corrosion, and can rapidly sterilize the surface of an object in daily life.

The invention discloses a wound care spray. The spray is characterized by being prepared from the following raw materials in parts by weight: 6-12 parts of borneol modified hyperbranched polyglycerol,5-10 parts of a water-soluble chitosan quaternary ammonium salt, 1-4 parts of plant polysaccharides, 0.5-2.5 parts of vitamins, 0.1-0.4 part of polyaminopropyl biguanide amidated norfloxacin, 5-10 parts of traditional Chinese herbal medicine extract, and 90-110 parts of distilled water. The invention also discloses a preparation method of the wound care spray. The wound care spray disclosed in the invention can avoid wound infection, promote wound healing and new skin growth, can use a spraying manner to reach the deep part of an affected part, and has a good curative effect on wounds withoutany side effects, and no scars are left after healing.

The invention discloses a preparation method of an impregnation liquid for refreshing wet tissue. The refreshing wet tissue is obtained by: proportionally mixing ethyl alcohol, menthol, menthyl lactate, PEG-40 castor oil, polyaminopropyl biguanide, lauryl pyridinium chloride, 2-bromo-2-nitropropane-1,3-diol and caffeine to obtain the impregnation liquid of wet tissue and padding tissue nonwoven with the impregnation liquid. Compared with traditional wet tissues, the wet tissue produced using the impregnation liquid of the invention has health functions of refreshing and skin moisturizing, can be used daily to provide fatigue relief and meets the requirements of modern high-quality market.

The invention discloses a female private part nursing wet tissue containing a prebiotic ecological nutrient solution. The female private part nursing wet tissue comprises a wet tissue body, and is prepared by uniformly infiltrating the wet tissue body with nutrient liquid with the functions of inhibiting bacteria, disinfecting the body, cleaning and moistening the skin and keeping micro-ecologicalbalance, and then carrying out sealing and packaging. The nutrient liquid with the functions of inhibiting the bacteria, disinfecting the body, cleaning and moistening the skin and keeping the micro-ecological balance is prepared from the following components in percentage by weight of 0.1-0.5% of polyaminopropyl biguanide, 0.1-0.4% of benzalkonium chloride, 0.1-0.3% of phenoxyethanol, 0.05-0.1%of chlorphenesin, 0.01-0.05% of ethylhexylglycerin, 0.01-0.05% of menthol, 0.01-0.05% of borneol, 0.01-0.04% of sodium citrate, 0.01-0.04% of citric acid, 0.01-0.02 of vitamin E, 0.001-0.002% of roseessential oil, 1-2% of prebiotics and the balance of water. The wet tissue disclosed by the invention has a very strong killing effect on candida albicans which often causes gynecological diseases, effectively maintains the healthy environment of microorganisms at private parts, and has no side effect or irritation.

The invention relates to the technical field of indoor disinfection, in particular to a disinfection composition, application of the disinfection composition, a disinfectant prepared from the disinfection composition and a preparation method of the disinfectant. The disinfection composition is prepared from the following components in parts by weight: 0.1 to 1 part of fructus forsythiae extract, 0.1 to 1 part of honeysuckle flower extract, 0.05 to 0.15 part of didecyl dimethyl ammonium chloride, 0.1 to 0.5 part of polyaminopropyl biguanide and 0.05 to 0.5 part of benzalkonium chloride. The disinfection composition has an excellent sterilization effect, is mild in property, free of irritation to skin and free of corrosion to metal, and can be made into the disinfectant for daily household disinfection.

The invention discloses a mild anti-corrosion system as well as a preparation method and application thereof. The anti-corrosion system is prepared from 1 to 3 weight percent of polyaminopropyl biguanide, 0.5 to 2 weight percent of cetylpyridinium chloride, 0.3 to 0.8 weight percent of p-hydroxyacetophenone, 10 to 30 weight percent of dihydric alcohol and the balance of water. Aiming at the defects that an existing anti-corrosion system has a stimulation effect on eyes and a real tear-free formula cannot be realized, a mild anti-corrosion system is prepared by screening and compounding multiple preservatives with an anti-corrosion function and enabling the components to play a synergistic effect, so that the antibacterial spectrum is expanded, the anti-corrosion effect is remarkably improved, the mild moisture retention of the preservative is also effectively enhanced, and the system has good skin feeling, does not irritate eyes, hardly causes the problems of redness, dryness or pain of the eyes and the like, and realizes a real tear-free formula.

The invention belongs to the technical field of skin care products, and particularly discloses a production technology of dual-layer essence capable of protecting buttocks of babies. The scheme provided by the invention lies in that the production technology comprises the following technological steps of adding water, glycerine, sodium chloride and methyl hydroxybenzoate to a water phase pot, performing heating to 80-90 DEG C, performing heat preservation stirring for 15-25 minutes, and starting to reduce the temperature; then adding polyaminopropyl biguanide, a mangnolia extract, a peony rootbark extract, a cinnamon extract, a radix scutellariae extract, butanediol, and caramel color, performing stirring and dispersing uniformly, and performing discharging to obtain an aqueous agent; adding mineral oil, ethylhexyl palmitate, bisabolol and vitamin E to an oil phase pot, performing stirring and dispersing uniformly, and performing discharging to obtain an oil agent; and uniformly mixing the aqueous agent with the oil agent in the proportion being (2-4) to (1.5-2.5). The dual-layer essence capable of protecting buttocks disclosed by the invention has the dual-layer buttocks protecting functions of repairing and maintaining skin and preventing skin injury, and is reasonable in technology and reasonable in components; and the essence obtained by the technology is good in the effect of protecting the buttocks, and is suitable for popularization and use, and running off of components can be effectively avoided.

The invention discloses a spray for skin surface cooling and a preparation method thereof, and aims to provide a spray capable of making skin cool, reducing surface temperature of the skin, helping to pore shrinkage, implementing water supplementation and moisturizing and calming and soothing the skin. The spray mainly comprises the following components in percentage by weight: 0.5 to 6 percent of marine mud extract, 0.5 to 8 percent of a humectant, 0.1 to 0.2 percent of polyaminopropyl biguanide, 0.2 to 2 percent of mint extract, 0.1 to 2 percent of European linden extract, 0.1 to 5 percent of aloe extract and a proper amount of de-ionized water. The spray belongs to the technical field of cosmetics.

The invention discloses vaginal contraction liquid and a preparation method thereof. The vaginal contraction liquid is prepared from the following raw materials in parts by mass of 6-12 parts of water, 6-22 parts of glycerine, 2-8 parts of hydrolysis RNA, 2-8 parts of hydrolysis DNA, 5-12 parts of an embryo extract, 12-22 parts of hydrolysis serum albumin, 2-6 parts of oligopeptide-1, 6-14 parts of hydrolysis conchiolin, 1-5 parts of a desert roseleaf cell extract, 8-16 parts of hydrolysis intacellin, 2-6 parts of sodium RNA, and 3-7 parts of polyaminopropyl biguanide. According to the vaginalcontraction liquid and the preparation method thereof provided by the invention, under the action of the polyaminopropyl biguanide, local tissue at a vaginal orifice can generate necrosis and crust to be compact, and the vaginal orifice can be contracted; the sodium RNA can enable skin to regenerate; the oligopeptide-1 can promote cell proliferation and polarization, the regeneration rate is increased, new skin can be conditioned, humidification and skin moistening can be achieved, wettability of the skin can be maintained, and the vaginal contraction liquid can achieve effects of whitening skin and dispelling freckles, and can improve oxidation resistance and ageing resistance of the regenerated skin.

The invention discloses a lysozyme skin disinfectant with a skin protection function. The lysozyme skin disinfectant is prepared from lysozyme, polyaminopropyl biguanide, benzalkonium chloride, recombinant human-like collagen, trehalose, glycerol and citric acid. The invention further discloses a preparation method of the lysozyme skin disinfectant capable of preserving moisture and moistening skin. In the lysozyme skin disinfectant with the skin protection function, lysozyme, polyaminopropyl biguanide and benzalkonium chloride are bactericides, and the recombinant human-like collagen, trehalose and glycerin are used as skin protectants, so that the problems of water shortage, desquamation and the like of human skin after frequent use of disinfectants are avoided.

The invention discloses a soil conditioner for cultivation of high-quality lotus root. The soil conditioner is prepared from the following raw materials in parts by weight: 4-7 parts of bacillus subtilis, 5-9 parts of sodium lignosulfonate, 3-8 parts of paecilomyces lilacinus, 2-5 parts of bioactive enzyme, 6-9 parts of chitosan powder, 12-15 parts of decomposed sawdust, 6-9 parts of polyaminopropyl biguanide, 8-12 parts of food residue, 15-18 parts of plant ash, 8-15 parts of potassium sulfate composite fertilizer, 7-10 parts of inorganic accelerator, 20-30 parts of decomposed sludge and 1-4parts of traditional Chinese medicine additives. The soil conditioner has the characteristics of promoting soil aggregation, improving soil physical and chemical properties, improving soil fertility,and increasing crop yield and the like.

The invention discloses a preparation method of a guanidine-chitosan quaternary ammonium salt antibacterial agent. The chitosan quaternary ammonium salt is prepared by reacting chitosan and glycidyltrimethylammonium chloride, and then the chitosan is prepared The quaternary ammonium salt reacts with polyaminopropyl biguanide substituted dichloro-s-triazine, and ultrafiltration and concentration can obtain the guanidino chitosan quaternary ammonium antibacterial agent. The water solubility of the guanidino-chitosan quaternary ammonium salt antibacterial agent synthesized by the preparation method of the present invention is good, and the pH value and antibacterial activity are high, which are higher than chitosan chitosan and chitosan quaternary ammonium salt. The preparation method is simple, The source of raw materials is convenient, and it is easy for industrialized production.