54results about How to "Non-toxic and non-irritating" patented technology

The invention discloses a flexible and transparent electrode film based on silk fibroin which comprises a flexible supporting layer and a conducting layer and is characterized in that the conducting layer is a silver nanowire film formed by silver nanowire interwoven networks. The flexible supporting layer is a silk fibroin film, wherein silk fibroin solution is dried and solidified to adhere to the silver nanowire film through Van der Waals force to form the silk fibroin film. The electrode film has good light transmittance and conductivity at the same time and is high in flatness and binding force and good in affinity with the human body. Particularly, the silk fibroin is adopted as the supporting layer, so that the supporting layer is good in biocompatibility, biological degradability and optical performance and free of poison and irritation, the degradation process is also controllable, and the electrode film can be used in the aspects of electronic products, conductive film substrates, screens and others making intimate contact with the human body. The invention further provides a manufacturing method and application of the electrode film.

The invention relates to a sustained-release oral ulcer film having biological adhesion and a preparation method of the sustained-release oral ulcer film. According to the formula, the sustained-release oral ulcer film having the biological adhesion consists of the following components in percentage by weight: 5-50% of a bio-adhesion material, 5-80% of a sustained-release film forming material, 0.5-10% of a medicine, 1-50% of a supporting agent, 1-20% of a plasticizer, 0.1-0.5% of a bacteriostatic agent and 0.5-1% of a flavoring agent. The film provided by the invention, which is prepared in a specific production mode, is good in stability, and excellent biological adhesion and sustained-release performance of the film can be kept for a long time; a soluble sustained-release gel can be gradually formed as the film is adhered to an ulcer surface and absorbs water, so that contact of the ulcer surface with external side is prevented; the oral ulcer film provided by the invention has the characteristics of diminishing inflammation, alleviating pain, achieving an antibacterial effect and being free from toxins, irritation, mutagenic action and the like; and the oral ulcer film can promote growth of blood vessel endothelium and proliferation of fibroblasts and keratinocytes, and subsequently, the oral ulcer film can promote regeneration, repair of healing of the ulcer surface.

The present invention relates to a breast cancer early warning chip for measuring I type theymine deoxyriboside kinase gene protein (hTK1) easily and rapidly. The invention is characterized in that the breast cancer early warning chip is composed of the following components: a strip fiber chromatography solid phase carrier NC film which is encapsulated with an anti-hTK1 monoclone antibody (number for 2A6-McAb) that is expressed and prepared by eukaryon at one end and is encapsulated with rabbit anti-mouse IgG monoclone antibody at the other end, a filtering sample paper, a water-absorbing glass fiber paper, and a polyester diaphragm which is marked with colloidal gold and secondary antibody hTK1 monoclone antibody (number for 3E8-McAb) bonder and the like components which are adhibited on a white PVC plastic piece. The invention has the characteristics and advantages of trace quantity, high speed, sensibility, accuracy, easiness, good stability, high repeatability, strong specificity, without special equipment or device, low detecting cost, measurement to single share or a plurality shares of specimen respectively, convenient carrying and convenience for site or field general investigation or physical examination.

The invention relates to a nanoporous gold electrochemical preparation method, comprising the following steps: (1) heating the pure aluminum and gold to liquid state, stirring and mixing the mixture evenly, freezing the mixture in a certain cooling speed to form Al-Au precursor alloy; (2) placing the precursor alloy in neutral electrolyte solution to perform electrochemical dealloying process; and (3) washing the treated nanoporous gold in the distilled water until being neutral, airing to obtain the nanoporous gold. The beneficial effects of the invention are that the cost of the production of nanoporous gold is largely reduced; the adopted electrolyte solution is neutral sodium chloride or potassium chloride solution with non-toxic, non-polluting, non-irritating and environmental friendliness; the structure and size of the nanoporous gold can be adjusted and controlled according to the components of the precursor, working voltage and working temperature.

The invention mainly provides a sanitizer formulation and a preparation method thereof. The sanitizer formulation comprises 6-12 parts of honeysuckle, 8-12 parts of fructus forsythiae, 6-12 parts of onion, 6-10 parts of houttuynia cordata, 8-12 parts of dandelion, 6-10 parts of radix bupleuri, 5-7 parts of hickory oil, 5-8 parts of radix isatidis, 15-22 parts of activated carbon, 6-8 parts of ginger, 5-9 parts of folium artemisiae argyi, 5-8 parts of eucalyptus leaf, 5-8 parts of radix sophorae flavescentis, 5-8 parts of glycerin, 6-10 parts of aloe, 10-15 parts of hydrogen peroxide, 3-5 partsof potassium permanganate, 8-15 parts of anhydrous alcohol, 5-15 parts of dimethyl formamide and 30-150 parts of distilled water. Honeysuckle, fructus forsythia, onion, houttuynia cordata, dandelion,radix bupleuri, radix isatidis, ginger, folium artemisiae argyi, the eucalyptus leaf, radix sophorae flavescentis and aloe which have sterilization and disinfection effect and are low in cost, easy to obtain and obvious in disinfection and sterilization effect are used as main raw materials, potassium permanganate, hydrogen peroxide and the hickory oil are used as auxiliary materials, and glycerin and dimethyl formamide are compounded, so that the prepared sanitizer formulation is higher in sterilization speed, stronger in sterilization effect, lower in sterilization concentration, nontoxic and pollution-free.

The invention relates to an efficient environment-friendly concrete preservative, which comprises the following components in portion by weight: 10 to 18 portions of various benzoic acids and boric acids, 20 to 40 portions of silica fume, 20 to 35 portions of alkalis; 35 to 50 portions of ethanolamine, and 15 to 20 portions of active components. The preservative can be widely applied to various building materials, especially to concrete and cement, and is reliable in rust prevention and corrosion resistance and good in environmental indexes. The preservative has the advantages of containing no mineral oil, containing no nitrite, chromate and the like harmful to human body, adapting to compressive strength (50 MPa in general) of actual requirements, improving strength, durability and heat resistance and meeting the requirements for high-performance concrete, along with no toxicity, no stimulation, no pollution, good construction performance, high dimensional stability, less shrinkage and no cracking in the hardening process.

The invention relates to a thin-layer composite tissue repair material with stable mechanical property and a preparation method thereof. The composite material is formed by compounding a nonwoven material or a porous synthetic membrane as a mechanical stability layer, and three-dimensional network structure diaphragm materials as upper and lower surface layers. The thin-layer composite tissue repair material is capable of significantly improving the mechanical strength of the three-dimensional network structure diaphragm material on the premise of not obviously improving the overall thickness of the composite tissue repair material, has long-term mechanical stability, and is free of a dead space, free of a colonization space for bacteria, good in biosecurity and wide in clinical application prospect.

The invention relates to a composite low-temperature disinfectant and a preparation method thereof. The invention belongs to the technical field of disinfection materials, and particularly relates tothe composite low-temperature disinfectant which is simple in process, wide in application range, efficient at low temperature, broad-spectrum in sterilization and lasting in bacteriostasis and the preparation method of the disinfectant. According to the technical scheme, an organic low-temperature material and an inorganic low-temperature material are compounded into a low-temperature component,an inorganic material and a polymer are compounded into a disinfection component, and a corrosion inhibitor and a stabilizer are compounded, so that the disinfectant capable of remarkably killing bacteria at -20 DEG C is prepared. The invention predicts that the problem that a normal-temperature disinfectant cannot be used in low-temperature environments, refrigeration houses and cold chain linksin winter can be effectively solved.

The present invention discloses one kind of extreme pressure emulsified oil for metal cutting and its preparation process. The extreme pressure emulsified oil consists of No. engine oil 52-56 wt%, zinc naphthenate 6-9 wt%, petroleum sodium sulfonate 12-16 wt%, oleic acid 2-3 wt%, triethanolamine 4-6 wt% and high viscosity paraffin chloride 12-16 wt%. It is prepared through heating and mixing. Before being used, the extreme pressure emulsified oil is diluted. The present invention has excellent antirust property, lubricating property, cooling property and cleaning property, and may be used in turning, milling, planing, grinding and other machining process. It has no toxicity, no irritation and low cost.

The invention relates to the technical field of computer numerical control machine tool base surface protective covers and discloses a computer numerical control machine tool base semi-closed surfaceprotective cover which comprises a workbench, wherein mounting seats are fixedly connected with the upper surface of the workbench; mounting grooves are formed inside the mounting seats; sliding grooves are formed inside the two side walls of each mounting seat; pulleys are slidably connected into the sliding grooves; moving rods are fixedly connected with the centers of the pulleys; a supportingrod is fixedly connected with one end of each moving rod; a connecting rod is fixedly connected with one end of each supporting rod; and a connecting joint is fixedly connected with one end of each connecting rod. According to the computer numerical control machine tool base semi-closed surface protective cover, electric push rods are arranged and telescopic protective covers are utilized for theelectric push rods, so that the electric push rods can retract when not in use; the computer numerical control machine tool base semi-closed surface protective cover is light in weight, quick to move,convenient to use and good in protective effect; and the practicability of the computer numerical control machine tool base semi-closed surface protective cover is greatly improved.

The invention belongs to the technical field of disinfection materials, and particularly relates to a low-temperature disinfectant which is simple in process and wide in application range and a preparation method thereof. The low-temperature material, the disinfection material, a corrosion inhibitor, a stabilizer and the like are compounded, and the prepared low-temperature disinfectant can achieve efficient sterilization performance at the temperature of -20 DEG C; and the corresponding disinfection problem under the low-temperature condition (cold storage and all links of a cold chain) can be effectively solved.

The present invention relates to a breast cancer early warning chip for measuring I type theymine deoxyriboside kinase gene protein (hTK1) easily and rapidly. The invention is characterized in that the breast cancer early warning chip is composed of the following components: a strip fiber chromatography solid phase carrier NC film which is encapsulated with an anti-hTK1 monoclone antibody (numberfor 2A6-McAb) that is expressed and prepared by eukaryon at one end and is encapsulated with rabbit anti-mouse IgG monoclone antibody at the other end, a filtering sample paper, a water-absorbing glass fiber paper, and a polyester diaphragm which is marked with colloidal gold and secondary antibody hTK1 monoclone antibody (number for 3E8-McAb) bonder and the like components which are adhibited ona white PVC plastic piece. The invention has the characteristics and advantages of trace quantity, high speed, sensibility, accuracy, easiness, good stability, high repeatability, strong specificity,without special equipment or device, low detecting cost, measurement to single share or a plurality shares of specimen respectively, convenient carrying and convenience for site or field general investigation or physical examination.

The invention discloses a method for preparing an environment-friendly polylactic-acid composite material with high tensile strength and belongs to the technical field of preparation of macromolecularcomposite materials. According to the method, firstly, polylactic acid is modified with dimerized salicylide crystals, a benzene ring is introduced into a principal chain after modification, the principal chain of the polylactic acid is hardened due to the benzene ring, and thus, mechanical properties of the polylactic acid are improved; then, starch is modified, and the dependence between the modified starch and the modified polylactic acid in an entire compound system is enhanced, so that the cohesive force between two phases of the starch and polylactic acid composite material is increased; then, glass fibers are added into polylactic acid, staggered polylactic acid particle chains are connected among the glass fibers, the glass fibers and the polylactic acid jointly bear a load and are used for modifying a composite material as filler, and the tensile strength of the composite material is further improved; zinc oxide has biological affinity and has a composite material skeleton regenerating promoting effect as a zinc supplement, so that the composite material is economical and environmentally friendly and can have a broad application prospect.

The invention relates to external traditional Chinese medicine oil for treating haemorrhoids. The traditional Chinese medicine oil comprises the following raw materials: gallnut, scutellaria, houttuynia cordata, carpet bugle, red flowers, ligusticum wallichii, garden burnet, radix angelicae, polygonum cuspidatum, borneol and sesame oil. The external traditional Chinese medicine oil has functions of clearing heat and removing toxicity, eliminating stagnation and reducing swelling, dispelling wind-evil and killing insects, activating blood and dissolving stasis, cooling the blood, stopping bleeding, eliminating haemorrhoids and the like and is used for treating various diseases such as internal and external haemorrhoids, mixed hemorrhoid, anal fissure, and anal itch. The external traditional Chinese medicine oil is simple in formula, convenient to produce and non-toxic without side effects. At present, the observation of a curative effect is performed by 1280 patients using the external traditional Chinese medicine oil; 1230 patients heal after using the medicine oil for 4-6 days; the cure rate reaches up 96%; the effective rate is up to 100%; the undesirable phenomenon is not generated during treating; the clinical safety is good, so that the external traditional Chinese medicine oil for treating the haemorrhoids is wide in popularization and application value.

The present invention relates to the technical field of waterproof materials, and particularly to a high-strength wind-resistant skid-resistant waterproof underlayment. The high-strength wind-resistant skid-resistant waterproof underlayment comprises a first non-woven fabric layer, a first film layer, a first asphalt layer, a gridding cloth layer, a second asphalt layer, a second non-woven fabric layer, a second film layer and a third non-woven fabric layer laminated successively; the first film layer and the second film layer are waterproof elastic films respectively. The object of the present invention is to provide a high-strength wind-resistant skid-resistant waterproof underlayment. The waterproof underlayment formed by structures such as a first film layer and a second film layer and the like can be fixed through nails on a roof made of a wood structure, etc., and the construction is quick, convenient, and labor-saving, and the waterproofness is good.

The invention relates to the technical field of filtering material preparation, in particular to a preparation method of a biodegradable high-dust-holding-capacity air filtering material. Acetic anhydride and pyridine are utilized to acetylate polylactic acid, so that formation of polylactic fiber is facilitated, and the polylactic acid itself has excellent biodegradability, no toxicity and no irritation. Glass fiber is modified through amber, so that binding performance of the glass fiber and the polylactic fiber is promoted, and dust tolerance of the air purifying material is improved. Cotton, dichloromethane, dimethyl formamide and sodium phosphate are added, so that improving of biodegradability and dust holding capacity of the polylactic fiber and the glass fiber is promoted. Modified activated carbon is sprayed onto the surface of an air filtering material fusion blank, so that dust holding capacity of the air filtering material is improved. As environment protection in China is enhanced, the air filtering material has become a part with fastest growth in filtering market, thereby having wide application prospect.

The invention provides formaldehyde-free glue synthesized from chemical materials for automotive trims and a preparation method of the formaldehyde-free glue. The formaldehyde-free glue is prepared from polyvinyl acetate, ethylene glycol monoethyl ether, dibutyl acetate, a water retention agent, a food defoamer, a flame retardant, a food preservative, a thickener and water in a certain proportion. The preparation method comprises the steps of controlling the temperature of a solution reaction system at 30-40 DEG C, and uniformly stirring by virtue of a stirring machine. According to the formaldehyde-free glue, the problem that common glue contains toxic substances such as formaldehyde is solved; and the formaldehyde-free glue has the excellent characteristics of environment friendliness, safety in operation, relatively high curing speed, low processing cost and the like.

The invention discloses an acidic texture surface making additive used for surface treatment of a diamond wire sawn polycrystalline silicon wafer, which includes, by weight, 0.5-5% of oxalic acid, 1-10% of N-methylpyrrolidone, 0.1-3% of a nitrogen-containing polymer and the balanced being water. The invention also discloses an acidic texture surface making agent used for surface treatment of the diamond wire sawn polycrystalline silicon wafer, which includes the acidic texture surface making additive and an acid solution being a deionized water solution of hydrofluoric acid and nitric acid, wherein the weight percentage of the hydrofluoric acid is 5-10% and the weight percentage of the nitric acid is 20-60%. The invention also includes a method for surface treatment of the diamond wire sawn polycrystalline silicon wafer. The additive is toxic-free and non-irritation, has no corrosion, is reduced in usage amount of inorganic acid, and can reduce environment load. The diamond wire sawn polycrystalline silicon wafer treated by the additive and through the use method has good uniformity, has fine and uniform texture size and is low in reflectivity.

The invention relates to the technical field of antibacterial fabrics, and particularly discloses a herbal nano antibacterial fabric. The herbal nano antibacterial fabric is prepared from the following components in percentage by weight: 25%-35% of acetone, 30%-50% of dimethylformamide, 7%-15% of polyvinylidene fluoride and 5%-12% of a herbal extract. A manufacturing process for manufacturing theantibacterial fabric comprises the following steps: step 1, preparing a base material fabric, the acetone, the dimethylformamide, the polyvinylidene fluoride and the herbal extract; step 2, completelydissolving the polyvinylidene fluoride by using the acetone and the dimethylformamide to prepare a polymer solution; step 3, adding the herbal extract into the polymer solution, and performing uniform stirring to obtain a spinning precursor solution; and step 4, spraying the spinning precursor solution onto the base material fabric to form a coating film. The antibacterial fabric has good air permeability and waterproofness, besides, the herbal extract is adopted as an antibacterial component, the cost is low, the long-acting antibacterial and bactericidal effects are achieved, and the requirements of users can be met.

The present invention relates to a sublingual membrane preparation containing naloxone hydrochloride. Said preparation composition includes medicinal effective component naloxone hydrochloride, ethylene homopolymer or water-soluble cellulose derivative membrane material and water-soluble plasticizer. Besides, said invention also provides its preparation method and concrete stops.

The invention discloses a cold-resistant water-based fire extinguishing agent suitable for -30 DEG C, and a preparation method thereof, relates to the field of firefighting engineering, and provides the cold-resistant water-based fire extinguishing agent suitable for -30 DEG C. 8-10% of ammonium dihydrogen phosphate, 8-10% of diammonium hydrogen phosphate, 15-20% of an anti-freezing agent and 4-8%of sodium bicarbonate are sequentially added into a synthesis reaction kettle in percentage by weight, and stirring synthesis is conducted for 30 min; the rotating speed of the reaction kettle is adjusted to be 45 r / min, then 2-5% of a surfactant and 8-10% of alkyl glycoside APG are continuously and sequentially added, and stirring synthesis is performed for 90 min; and the balance of water is added, stirring is performed for 4 h, central control detection is carried out, and standing is performed at normal temperature for 2 h to obtain the product; and settling is performed for 10 days (qualified according to GB15308-2006 detection), and the obtained product is sub-packaged and leave a factory. The preparation method is simple and easy to operate, and the prepared fire extinguishing agent is good in freezing resistance effect, high in fire extinguishing grade, high in fire extinguishing speed, high in efficiency and good in effect.

The invention provides non-formaldehyde glue for synthesizing automotive interiors by utilizing chemical materials. The non-formaldehyde glue is prepared from polyvinyl acetate, ethoxyethanol acetate, sec-butyl acetate, a water-retaining agent, an edible defoaming agent, a flame retardant, an edible preservative, a thickening agent and water according to a certain proportion. A preparation method for the non-formaldehyde glue comprises the steps of controlling the temperature of a solution reaction system to 30-40 DEG C, and stirring uniformly by using a stirring machine. The non-formaldehyde glue provided by the invention solves the problem of toxic substances such as formaldehyde contained in common glue and has the excellent characteristics of environment friendliness, safety in operation, higher curing speed, low processing cost and the like.

The invention discloses a nail washing liquid. The nail washing liquid comprises the following substances in parts by weight: 5-15 parts of lemon juice, 3-7 parts of organic solvent, 1-3 parts of glycerol, 10-20 parts of anhydrous ethanol, 1-2 parts of essence, 6-17 parts of wetting agent, 1-5 parts of chitin, 2-4 parts of vitamin substance, 3-6 parts of collagen, 20-40 parts of rice vinegar and the balance of deionized water. The nail washing liquid provided by the invention comprises multiple organic components, and is reasonable in composition; the product itself has the advantages of delicate smell, no toxicity, no side effect, high nail polish solubility, favorable stability, thorough and convenient cleaning and no irritation; after nail polish is washed off, nails have no dry sensation, and a favorable nourishing and moisturizing effect is achieved; and the product has a wide nail polish removal range. What is more important, the nail washing liquid is friendly to body and environment.

The invention relates to a sustained-release oral ulcer film having biological adhesion and a preparation method of the sustained-release oral ulcer film. According to the formula, the sustained-release oral ulcer film having the biological adhesion consists of the following components in percentage by weight: 5-50% of a bio-adhesion material, 5-80% of a sustained-release film forming material, 0.5-10% of a medicine, 1-50% of a supporting agent, 1-20% of a plasticizer, 0.1-0.5% of a bacteriostatic agent and 0.5-1% of a flavoring agent. The film provided by the invention, which is prepared in a specific production mode, is good in stability, and excellent biological adhesion and sustained-release performance of the film can be kept for a long time; a soluble sustained-release gel can be gradually formed as the film is adhered to an ulcer surface and absorbs water, so that contact of the ulcer surface with external side is prevented; the oral ulcer film provided by the invention has the characteristics of diminishing inflammation, alleviating pain, achieving an antibacterial effect and being free from toxins, irritation, mutagenic action and the like; and the oral ulcer film can promote growth of blood vessel endothelium and proliferation of fibroblasts and keratinocytes, and subsequently, the oral ulcer film can promote regeneration, repair of healing of the ulcer surface.

The invention discloses a cloud rose disinfectant capable of treating dandruff and a preparation method thereof. The cloud rose disinfectant is prepared from the following components in percentage: polyhexamethylene guanidine hydrochloride, leonuri herba, portulacae herba, stemonae radix, phellodendri chinensis cortex, a citrus paradisi extract, a rosae rugosae flos extract, a honeysuckle flower extract, a herba houttuyniae extract, a rhizoma coptidis extract, a michelia alba root extract, anti-dandruff zinc salt, alkyl sulfate and a fatty acyl hydroxyl alkane sulfonate product. Meanwhile, the invention further comprises a preparation method. The preparation method comprises the steps 1-4. The cloud rose disinfectant contains various precious Chinese herbal medicine extracts and plant essences, the zinc salt with the effect of treating dandruff and some natural plant extracts with the effect of resisting dandruff are added into the disinfectant used by a human body, and the components of the shampoo are improved, so that a better dandruff treatment effect is achieved.

The invention relates to the technical fields of disinfectants and repellents, in particular to a preparation method of a polyhexamethylene biguanidine disinfectant and compound Chinese herbal mosquito and fly repellent integrating gel. The gel consists of 4-8 parts of polyhexamethylene biguanidine, 10-15 parts of a solvent, 15-25 parts of stems and leaves of artemisia scoparia, 15-25 parts of branches and leaves of cinnamomum camphora, 15-25 parts of branches and leaves of melia azedarach, 15-25 parts of bay branches and leaves, 5-15 parts of stems and leaves of lavender, 15-25 parts of garlic bulbs, 15-25 parts of onion bulbs, 15-25 parts of stems and leaves of artemisia argyi, 5-15 parts of pepper fruits, 15-25 parts of barks and leaves of pinus massoniana and 15-25 parts of adjuvants. The disinfecting and repelling agent has the advantages of being stable in performance, good in sterilizing and repelling effect, long in lasting time, green and environment-friendly, free from toxins and harm, safe and sanitary, free from pathogenesis, teratogenesis and carcinogenesis, free from permeation, irritation and allergy, and the like; and the preparation method is simple and easy.

The invention relates to full-frequency sound absorbing cotton which is provided with a double-layer structure or three-layer structure. The full-frequency sound absorbing cotton of the double-layer structure is composed of a melt-blow high polymer fiber layer and a varicosity polytetrafluoroethylene layer. The full-frequency sound absorbing cotton of the three-layer structure is composed of a melt-blow high polymer fiber layer with double faces compounded with the varicosity polytetrafluoroethylene layer or the varicosity polytetrafluoroethylene layer with double faces compounded with the melt-blow high polymer fiber layer. A high-performance composite micropore thin layer new material has better full-frequency sound absorbing capacity; is environment-friendly, non-toxic and free of peculiar smell, volatile gas, pollution or carcinogenic substances; and is free of stimulation caused by operating similar glass fiber on the skin, can be machined in punching mode, and does not generate dust or scraps and the like. The sound absorbing cotton made of the two materials of the melt-blow high polymer fiber layer and the varicosity polytetrafluoroethylene layer has good thermal resistance, and a sound absorbing effect cannot be affected by high-humidity climate and water.

The invention discloses a low-temperature disinfection material and a preparation method thereof. The invention belongs to the technical field of disinfection materials, and particularly relates to apreparation method of a low-temperature disinfection material, which is simple in process, low in cost and wide in application range.According to the technical scheme, low-temperature materials, solvents, disinfection materials, corrosion inhibitors, stabilizers, passivators and the like are compounded, so that the sterilization disinfectant can effectively solve the problem that sterilization isnot ideal in a low-temperature environment (cold storage and cold chain links), and can be widely applied to efficient sterilization and disinfection under normal-temperature conditions and low-temperature conditions (-20 DEG C and even -40 DEG C).

The invention discloses an improved disinfection cleaning agent. The improved disinfection cleaning agent comprises, by weight, 0.5-2 parts of hydrofluoric acid, 1-2 parts of polyoxyethylene benzylphenol ether, 1-3 parts of polyvinyl alcohol, 1-1.5 parts of chloral hydrate, 2-5 parts of sodium carbonate, 4-6 parts of essence and 15-25 parts of water. The improved disinfection cleaning agent has the advantages that of 1, antibacterial and decontamination effects are substantial, 2, toxicity, a color, a smell, irritation and corrosivity are avoided, 3, chemical properties are very stable, 4, odor and pathogens on the inner wall of a refrigerator and the surface of a refrigerator stand can be removed well, and 5, technical processes are simple and a cost is low.