2456results about How to "Good emulsifying effect" patented technology

The invention provides a reaction bonding type node sealant and a preparation method thereof. The sealant comprises asphalt, modifiers, an emulsifier, a crosslinking agent, thickeners, a reinforcing agent and water. In the formula system, more appropriate modifiers are adopted compared with the prior art, so that a rubber asphalt mixture can achieve good emulsification effect, elasticity and strength of a sealing layer after drying are greatly improved, and the sealing effect can be good and lasting; the chemical linkage effect with concrete is formed by using the crosslinking agent, and bonding force with the concrete is improved; and a lot of thickeners are used for adjusting the stickness of the sealant system, so that the reaction bonding type node sealant can better adhere to the surface of a pentatricopeptide repeats (PPR) or polyvinyl chloride (PVC) pipe, and good sealing at positions where PPR or PVC water supply and drainage pipes are connected with base surfaces of concrete.

The invention aims to provide a modified emulsified asphalt waterproof sealant and a preparation method thereof. The modified emulsified asphalt waterproof sealant comprises asphalt, a modifying agent, an emulsifying agent, a thickening agent and water. In a formula system of the modified emulsified asphalt waterproof sealant, more modifying agent in an appropriate amount is adopted than that of the prior art, so that a rubber-asphalt mixture can achieve a good emulsifying effect, the elasticity and strength of a dried sealing layer are greatly improved, and the sealing effect can be better and lasting; and a large amount of the thickening agent is used to adjust the appropriate viscosity of a modified emulsified asphalt waterproof sealant system, so that the modified emulsified asphalt waterproof sealant can be well adhered to the surface of a relatively smooth polypropylene random copolymer (PPR) or polyvinyl chloride (PVC) pipe to well seal the connection part of a PPR or PVC water supply and drainage pipe and a concrete base.

The invention aims to provide a reaction bonding modified emulsified asphalt waterproof paint and a preparation method thereof. The reaction bonding modified emulsified asphalt waterproof paint comprises asphalt, a modifying agent, an emulsifying agent, a cross-linking agent and water. In the formula system of the reaction bonding modified emulsified asphalt waterproof paint, more modifying agents in an appropriate amount are adopted compared with the prior art, so that a rubber-asphalt mixture can achieve a good emulsifying effect, the elasticity and strength of a dried sealing layer are greatly improved, and the sealing effect can be better and lasting; and by using the cross-linking agent, a chemical coupling effect is achieved between the paint and concrete, so that the cohesive force of the concrete is promoted. The reaction bonding modified emulsified asphalt waterproof paint can be applied to waterproof construction of wall surfaces, roofs, roads, bridges and the like, and has a very high practical value.

The invention relates to the field of synthetic leather material polyurethane, in particular to a preparation method of high-solid-content aqueous polyurethane for leather. The method comprises the process steps of: prepolymerization reaction: reacting polyol, a hydrophilic chain extender and isocyanate monomer; monomer modification: adding polyhydroxy monomer to be modified together with polyurethane prepolymer; salt formation by neutralization: adding a neutralizing agent so that an emulsion forms salt ion groups; and chain extension subsequent to emulsification: dissolving an external emulsifying agent and a sulfonic acid chain extender in water to obtain a solution and adding the solution to the system for performing emulsification. In the invention, the emulsification property of theemulsion is improved by using carboxylic acid type and sulfonic acid type chain extenders, so that polyurethane and water are fully emulsified; simultaneously, due to the employment of the method in which self emulsification and external emulsification are combined, not only the stable emulsion can be synthesized, but also the solid content can be increased; in addition, the use of water as the solvent in emulsification is consistent with the requirement of clean production process; and the finally-synthesized emulsion has good film forming performance, high drying speed, no yellowing, excellent mechanical properties and short process flow, is suitable for the synthesis of leather substrates or surface materials, and can take the place of solvent-type products.

The invention discloses a preparation method for a polysiloxanes-amidopolyether block copolymer, comprising the steps of preparation of an intermediate of alpha, omega-hydrosiloxane, preparation of an intermediate of alpha, omega-polysiloxanes diepoxide, and preparation of the polysiloxanes-amidopolyether block copolymer. The polysiloxanes-amidopolyether block copolymer provided in the invention enables a textile finishing agent to be stable under condition of high temperature, a polyelectrolyte, a high pH value or a high shear force without breaking emulsion, sticking to a roller or a cylinder and producing oil marks, allows textiles finished to be returned for repairing, and is widely used in fields like chemical fiber, natural fiber and blended products thereof, etc.

The invention discloses a viscosity-reducing oil displacement agent for heavy oil reservoirs, wherein the components comprise, by weight, 20-60% of an emulsifier, 1-5% of an ester-based compound, 0.2-2% of a wetting agent, and the balance of water. The invention further discloses a viscosity-reducing oil displacement agent-polymer system for heavy oil reservoirs, wherein the viscosity-reducing oil displacement agent-polymer system comprises 0.1-1% of the oil displacement agent, 0.05-0.3% of a polymer and the balance of water, and the polymer is polyacrylamide with a molecular weight of 8000000-20000000. According to the present invention, the viscosity-reducing oil displacement agent and the viscosity-reducing oil displacement agent-polymer system can provide good effects of viscosity reducing and emulsifying for heavy oil, can substantially reduce the viscous force of heavy oil in rock pores, can provide good profile control and water blocking effect, can effectively improve oil displacement efficiency, can improve heavy oil recovery, and are suitable for heavy oil reservoirs with a stratum viscosity of more than 200 mPa.s.

The present invention relates to a low-lactose, partially hydrolyzed infant formula. The carbohydrate component of the infant formula comprises between 0% and 60% lactose and the protein component of the infant formula comprises partially hydrolyzed whey protein and casein, the protein component having a particular molecular weight.

The invention discloses a soyabean protein glycosylation graft modification method which comprises the following steps: (1) adding the soyabean protein and sugar with the mass ratio of the soyabean protein and the sugar being 1:1-1:5 into water, adjusting pH value to 6-8 to obtain mixed solution of the soyabean protein and the sugar with the mass percentage of of the soyabean protein and the sugarbeing 0.1%-10%; (2) heating the mixed solution in a sealed container for 0.5-4h under the pressure of 3-13MPa and at the temperature of 80-140 DEG C to obtain reaction liquid; and (3) cooling the reaction liquid to 10-40 DEG C, purifying or not purifying, and drying the reaction liquid to obtain the glycosylation soyabean protein. The method has rapid reaction speed and even reaction, good functional character of reaction products, and industrialized and scaled application value. The functionality of the obtained glycosylation soyabean protein, such as water-solubility, emulsification and antibacterial property is greatly improved, the reaction speed is faster, and the color of the appearance of the products is good.

The invention provides a stainless steel degreasing agent, which comprises the following components in percentage by weight: 5 to 25 percent of organic solvent, 2 to 5 percent of corrosion inhibitor, 10 to 25 percent of surfactant, 5 to 10 percent of inorganic salt, 1 to 3 percent of defoaming agent and the balance of deionized water, wherein the organic solvent is bromohydrocarbon; the corrosion inhibitor is sodium benzoate, ammonium benzoate, triethanolamine, ethanolamine or benzotriazole; the surfactant is one or more of alkylphenol polyoxyethylene ether and fatty alcohol-polyoxyethylene ether; the inorganic salt is alkaline salt; and the defoaming agent is tributyl phosphate, organic silicon, oleic acid or sodium oleate. The stainless steel degreasing agent can replace the currently used ODS cleaning agents, can achieve the cleaning effect of the ODS cleaning agents, does not damage the surface of the stainless steel, has obvious cleaning effect, can clean a large number of products, and does not harm a human body; and the preparation method is simple, safe, and environment-friendly.

The present invention discloses a multi-positive-ion amide-type asphalt emulsifier and a preparation method thereof, and the asphalt emulsifier is prepared from raw materials of N-hydrogenated tallow-1,3-propylene diamine, an alcohol solvent, acrylamide, a low-carbon tertiary amine, industrial hydrochloride and epichlorohydrin in the molar ratio of N-hydrogenated tallow-1,3-propylene diamine to alcohol solvent to acrylamide to low-carbon tertiary amine to industrial hydrochloride to epichlorohydrin of 1mol: (5.00-11.00) mol: (3.00-3.10) mol: (2.02-2.10) mol: (2.02-2.10) mol: (2.02-2.08) mol. The alcohol solvent is ethanol, methanol or isopropanol. The low-carbon tertiary amine is a trimethylamine aqueous solution, triethylamine or triethanolamine. The asphalt emulsifier synthetic raw materials are readily available, production cost is low, a process is simple, and a high temperature reaction is not required. The asphalt emulsifier can emulsify a variety of different types of asphalt, the prepared emulsified asphalt is fine, uniform, and good in storage stability, and positive-ion-type emulsified asphalt can be prepared.

The invention provides a toner for electrostatic image development having a binder resin containing a amorphous polyester resin and a crystalline polyester resin, and a coloring agent, and satisfying the following relationship (1):SP(L)>SP(H)>SP(C)   (1)wherein SP(H) is the solubility parameter of a resin contained in an elution fraction F (0-10) from the beginning of elution of W1 until 10% of elution of W1 when W1 is the whole area of an elution curve on a gel permeation chromatograph measured for an acetone-soluble fraction; SP(L) is the solubility parameter of a resin contained in an elution fraction F (80-100) from 80% to 100% of the elution of W1; and SP(C) is the solubility parameter of the crystalline polyester resin.

The invention discloses a preparation method of high dispersed white carbon black. According to a new method and technology, a synthesis reaction of liquid soluble glass and concentrated sulfuric acid is carried out in two steps by first preparing fine seeds, and then carrying out a synthesis reaction, wherein the synthesis reaction is a precipitation reaction carried out under effects of an organic surfactant SDS and a composite silane coupling agent. The high dispersed precipitated white carbon black specially used in high-performance tyres is obtained through particle surface cladding, modification treatment, press filtration, washing, pulping and pressure drying. The method improves a traditional white carbon black production technology of a precipitation method by optimizing technological parameters and using an optimized auxiliary agent to meet a requirement of enhanced product dispersiveness; besides the method overcomes defects of an ordinary precipitation method, such as crude particles, wide distribution, strong hydrophilism and weak mixing dispersion. A prepared product has characteristics of fine primary particles, low surface hydroxyl content, increased lipophilicity,high bonding force with rubber high molecules and high wettability, and is an ideal reinforcing filling material specially used in high-performance tyres.

The invention relates to a preparation method of a silicon dioxide flatting agent used for coating flatting with a large pore volume gelatin method, which comprises the following steps of: adding a sodium silicate water solution in a reaction kettle; at the temperature of 26 DEG C and under stirring, adding 30% sulphuric acid until forming gelatin in the kettle; then stirring for 15min, raising the temperature to 50 DEG C and continually adding the sulphuric acid until pH value being up to 3; when no gelatin block by stirring, slowly adding 30% sodium hydroxide into the reaction kettle, regulating the pH value to be 5-6, and then regulating the pH value to be 9-10 by using ammonia water; and raising the temperature to 98 DEG C, ageing for 1 hour, adding water for cooling to the temperature of 75 DEG C, filtration washing, slurrying, sponging drying and crashing classifying to obtain the finished product. The product has the characteristics of large pore volume, large specific surface area, high purity, moderate DBP absorption value, good dispersion performance, high transparency and the like as well as the advantages of reasonable technology and high production efficiency. The product can be added with wax for carrying out surface treatment, thus leading the surface paint film of the coating to be smooth, and improving scratch resistance and precipitate resistance.

The invention relates to a compound finishing agent and a preparation method thereof. The method comprises a step of compounding chitosan and waterborne polyurethane: dissolving chitosan with an HAc or HCl solution, and adding into a polyurethane aqueous solution with certain concentration. The application is as follows: natural fiber and synthetic fiber fabric and the blended or interlaced fabric thereof are processed to obtain anti-wrinkle / anti-felting / anti-bacterial functions, and the biodegradability of the fabric is improved at the same time. The fabric is soaked and rolled twice in the compound finishing agent, the liquid carry rate is 60-90%, and then the fabric is pre-dried in a heat settling machine before curing. The finished wool textile reaches the machine-washable anti-felting standard of ISO6330 and IWSTM No.31 of International Wool Secretariat; the longitude-latitude wrinkle recovery angel of the finished cotton fabric is 200-210 degrees, the retention rate of the fabric strength is at least 110%, and antibacterial property is obtained; and meanwhile, the hand feeling and biodegradability of the finished fabric are improved, and remarkable economic and environmental benefits are realized.

The invention relates to a multi-effect biological pesticide aqueous solution agent and a preparation method thereof. The multi-effect biological pesticide aqueous solution agent is characterized in that the agent contains 5-50 percent of pesticide active ingredient plant essence oil, 5-50 percent of simple organic carboxylic acid with a synergistic effect, 5-50 percent of pesticide assistant and 10-85 percent of water, wherein the plant essence oil is one or a mixture of wintergreen oil, camphor tree oil, clove oil, peppermint oil, eucalyptus oil, citionella oil, tea tree oil, lemongrass oil and cinnamon oil, the simple organic carboxylic acid with the synergistic effect is one or a mixture of formic acid, acetic acid and propionic acid, and the pesticide assistant is one or a mixture of dodecylbenzene sulfonic acid, Tween-80, Span-80 and OP-10. The agent can be used for insect killing, insect expelling, sterilization and antivirus in mosquito repelling, family agriculture, family flowering, organic agriculture and green agriculture.

The invention discloses an industrial production method of hydrolyzed wheat protein for feeding, belonging to the technical field of feed additive production. In the method, through the method of synergy of multiple enzymes and combined treatment of multiple steps, the hydrolyzed wheat protein for feeding is prepared by taking wheat gluten meal and water with weight ratio of 1:10-1:2 and adding compound enzyme, ensuring the mass percent concentration of the compound enzyme in the solution is 0.2-1.4%, hydrolyzing the mixture for 1-13h under the conditions that the temperature is 30-70 DEG C and pH value is 5.0-10.0, then carrying out such processes as filtering, decoloring and drying, etc. Compared with the traditional methods, the method of the invention features mild hydrolysis conditions, sanitation and safety and maintains the original nutritive composition of amino acid free of loss; the hydrolysate is low in salt content, mellow in mouth feel and high in yield which is up to 98%. The tests that the hydrolyzed wheat protein is added in the feed for suckling pigs, chicks, calves, aquaculture and the like to be used show that the hydrolyzed wheat protein has the advantages and evident effects of improving daily feed intake, reducing diarrhea rate, enhancing immunity, slowing weanling stress, improving growth performance and the like.

The invention discloses a preparation method and application of polyphenol-protein / polypeptide-carbohydrate covalent complexes, and belongs to the technical field of food ingredients and food processing. The method comprises the steps that polyphenol, protein / polypeptide are used as raw materials, an alkaline method is used for inducing a reaction, and polyphenol-protein / polypeptide covalent complexes are prepared; then, a carbohydrate and the prepared polyphenol-protein / polypeptide covalent complexes are used as raw materials, and a maillard reaction is utilized for preparing the polyphenol-protein / polypeptide-carbohydrate covalent complexes. According to the preparation method, the natural raw materials are adopted, no any organic reagent is adopted, the polyphenol-protein / polypeptide-carbohydrate covalent complexes with the good performance can be obtained through two steps, the preparation method is simple, efficient and safe, and production is easy. The polyphenol-protein / polypeptide-carbohydrate covalent complexes have the high oxidation resistance and emulsibility, and the beta-carotene emulsion stabilized by means of the polyphenol-protein / polypeptide-carbohydrate covalent complexes has the good physical and chemical stability.

The invention relates to a method capable of improving the instant dissolving performance of soybean milk powder and belongs to the technical field of soybean product processing. The method comprises the following steps: (1) adding weak alkali water into soaked soybeans according to a certain proportion for pulping and after pulping, carrying out pulp and residue separation to obtain raw soybean milk; (2) after pulsed electric field processing is performed on the raw soybean milk, adding a proper amount of emulsifier, then carrying out high-pressure steam pulp boiling to obtain cooked soybean milk, adding a proper amount of citric acid into the cooked soybean milk, then adding protease for enzymolysis, carrying out enzyme deactivation and filtering after enzymolysis, adding a certain amount of a reducing agent into the filtered soybean milk to carry out blending and uniform mixing, carrying out vacuum concentration after the blended soybean milk is homogenized, and after concentration, carrying out spray-drying and spraying of soybean phospholipid oil to obtain the instant soybean milk powder. The method has the advantages that the requires process equipment is simple, and is safe to operate; according to the method, the pulsed electric field technology and the enzymolysis technology are utilized; by the synergistic effect of the added reducing agent and emulsifier, the instant dissolving performance of the prepared soybean milk powder is improved; meanwhile, the prepared soybean milk powder has no beany flavor and bitter taste.

The invention relates to a long-acting emulsion-type antirust fluid used for metal rust prevention. Every 100 parts of the antirust fluid include the following components according to parts by weight: 3-15 oil soluble surfactant, 1-10 alcohol ether type couplant, 1-10 oily-type rust preventive and the balance base oil, wherein the oil soluble surfactant is any one of petroleum sodium sulfonate with molecular weight ranging from 300 to 800, sodium heavy alkylbenzene sulfonate and sodium sulfanilate, the alcohol ether type couplant is any one of ethyl alcohol, ethyl ether, butyl ether, diethylene glycol monobutyl ether, diethylene glycol propyl ether, butyl glycol ether and ethylene glycol propyl ether, the oily-type rust preventive is any one of barium petroleum sulfonate, dinonyl naphthalenesulfonic acid barium salt and barium soap of petroleum ester oxide, and the base oil is any one of cycloalkyl base oil and paraffin base oil. The long-acting emulsion-type antirust fluid has the advantages of meeting the demands of short-term rust prevention of metal and having lower using cost.

The invention discloses acrylate emulsion used for water-based metallic paint and a preparation method thereof. The emulsion comprises the following substances in parts by weight: 33-45 parts of vinyl monomers or vinyl aromatic compounds excluding carboxyl or hydroxy, 1-7 parts of vinyl monomer containing hydroxy, 0.5-1 part of vinyl monomer containing carboxyl, 1-3 parts of functional monomer, 1-3 parts of organosilicone monomer, 0.15-0.4 part of initiator, 1-4 parts of compound emulsifier, 0.1-0.5 part of neutralizer, 0.05-0.1 part of pH buffer agent and 45-50 parts of deionized water. The emulsion is obtained through core / shell emulsion polymerization. Varnish is prepared by using the emulsion and amino resin. A film is formed on tinplate by wiping. Through tests, the grade of the adhesion of the film is 0 (cross cut test) and the film is not whitened after the film is soaked in water for seven days under the room temperature.

The present invention relates to emulsified asphalt, and is especially one kind of semi-solid emulsified asphalt with high asphalt concentration and in jelly state. The semi-solid emulsified asphalt consists of asphalt, surfactant, water, etc. The present invention features that the re-compounding of cationic surfactant and non-ionic surfactant increases the micelle concentration of emulsifier in the oil-water interface, and raises the emulsifying capacity of surfactant and the stability of emulsion. The product has high stability, high asphalt concentration and semi-solid state, and may be packed in plastic bag for easy storage and transportation in low cost. Before use, it may be diluted at will without needing demulcification. The product of the present invention may be used widely.

The invention relates to the field of processing of agricultural products, in particular to short fiber food waste residue-based nano cellulose and a preparation method thereof. The preparation method comprises three parts of pretreatment of short fiber food waste residues, acid hydrolysis of food residue fibers and homogenization. The nano cellulose prepared by the method has the granularity of 50-300nm, is short bar-shaped or microsphere-shaped and can be widely used for preparing a food additive or medicament excipient, and the like. In the method, acid hydrolysis is combined with high-pressure homogenization, thus the acid consumption and hydrolysis time are reduced, the granularity uniformity of the nano cellulose is improved; and the invention is suitable for mass production.

This present invention discloses a waterborne polymer modified emulsified asphalt mixture and the preparation method thereof, and particularly relates to a waterborne polyurethane emulsified asphalt concrete, a waterborne acrylic resin emulsified asphalt concrete, and a waterborne epoxy resin emulsified asphalt micro-surfacing mixture, and preparation methods thereof. A mixture containing a waterborne polymer modified emulsified asphalt forms a high-performance composite system having a spatial network structure, and has good performance and simple preparation process.

The invention discloses an emulsion gel in which fat-soluble vitamins are embedded and a production method based on a pulse electric field. The production method includes the following steps: dissolving octenyl succinic acid modified starch in water, heating in a water bath, stirring until the material is completely gelatinized and dissolved, and cooling to room temperature; adding edible oil in which fat-soluble vitamins are dissolved to obtain a mixed solution; using a high-speed shearing machine and a high-pressure homogenizer to shear and homogenize the obtained mixed solution so as to a coarse emulsion; adding starch into the coarse emulsion, and uniformly stirring to obtain an emulsion; adding a methylcellulose solution to the emulsion, uniformly mixing and performing pulse electricfield treatment, heating in a water bath, degassing, and cooling to obtain an emulsion gel. The pulsed electric field of the invention promotes the interaction between methylcellulose and starch molecules, has a higher elastic modulus, and is easier to form a network structure that is more favorable for embedding fat-soluble vitamins. Thereby, fat-soluble vitamins are effectively embedded, and thepurpose of slowly releasing fat-soluble vitamins is achieved.

The invention discloses a nonionic aqueous epoxy hardener and its preparation method. The preparation method comprises the following steps: 1, preparing a prepolymer A; and 2, preparing the nonionic aqueous epoxy hardener: (1) adding a mixture comprising the prepolymer A, epoxy resin and a solvent into a mixed solution comprising basic amine and the solvent at 40-80DEG C in a dropwise manner, and carrying out a constant temperature reaction for 3h; (2) adding a monoepoxy compound at 40-80DEG C in a dropwise manner for termination, and carrying out a constant temperature reaction for 2h; (3) carrying out reduced pressure distillation after the reaction to remove the solvent; and (4) cooling to 50DEG C, and adding deionized water for dilution in a dropwise manner until the solid content is 40-70%. In the invention, a hydrophobic side chain is introduced into a long molecular chain, so the prepared nonionic aqueous epoxy hardener has the effects of a surfactant, has a good emulsification effect and improves the water resistance a hardened film; a reaction of an epoxy group and an amino group is carried out at a low temperature without a catalyst, so the production controllability and the production safety are increased; and the process flow of the method is simple.

The invention discloses DHA microcapsules. Crosslinking protein and carbohydrate are taken as the microcapsule wall materials, wherein the weight of carbohydrate accounts for 80-99% of the total weight of the wall materials; DHA grease is taken as the microcapsule core materials, wherein the weight of DHA grease accounts for 10-40% of the total weight of the microcapsules. The invention discloses a preparation technology of the above DHA microcapsules. The DHA microcapsules in the invention take edible protein as the main wall material, wherein an enzymatic crosslinking technology is utilized to establish the emulsion matrix skeleton structure to form a protein embedding network system, thus reducing the grease not embedded to the minimum limit, also reducing the impact of external factors on the grease in the process of forming the microcapsules; and simultaneously, edible carbohydrate is added to serve as the filling agent, and the filling agent is easy to exist in the glass state between capsules and on the surface of the capsule walls after the microcapsules are formed, thus inhibiting the entrance of oxygen, preventing the generation of fishy abnormal flavor of the grease, and the shelf life of the formed DHA microcapsules is over 24 months.

The invention discloses detergent containing tea saponin and belongs to the technical field of daily chemical detergents. The detergent is a liquid product produced with ammonium ethoxylated alkyl sulfate, sodium lauroyl sarcosinate, ethylenedinitrilo-tetraacetic acid disodium, tea saponin, coco-glucoside, citric acid, coco amidopropyl betaine, sweet orange oil, sodium benzoate, refined salt and water according to a certain proportion by the conventional production method. The content of surfactant in the detergent reaches 18.5% which is 3.5% higher than that in national standard of China, and detergency of the detergent is increased by 50%. The ethylenedinitrilo-tetraacetic acid disodium and the tea saponin replace sodium tripolyphosphate, and accordingly the detergent is phosphorus-free, and water can be saved by more than 30%. The detergent is fine in detergency, foaming power, wetting ability, dispersibility and emulsification.

The invention relates to a method for preparing vitamin A microcapsule flour nourishment reinforcer, wherein it uses vitamin A oil as corn, uses HI-CAP100 as wall material, uses O / W high-pressure to emulsify and eccentric atomization technique, to prepare the microcapsule with stable property and flow property. The efficiency of said microcapsule is 99.06%, the yield is 97.81%; with high-pressure liquid test, the vitamin A content is higher than 3.5*105IU / g, the average particle diameter is 85.6 mum; and its bulk specific gravity is not significant different from the bulk specific gravity of flour (P>0.05, stop angle (phi)<=30degree).

The invention belongs to the production field of microbial fermentation, and in particular relates to an efficient grease degrading bacterium and an application thereof. The efficient grease degrading bacterium is of acinetobacter UC13, wherein the acinetobacter UC13 is preserved in CGMCC (China General Microbiological Culture Collection Center) on June 24th, 2013; the preservation number of the acinetobacter UC13 is CGMCC No:7818. The invention further relates to applications of the efficient grease degrading bacterium in treatment of kitchen wastes or petroleum hydrocarbon contaminants containing greases and in industrial refining relevant to the greases. A biological surfactant is a fermentation product obtained by fermenting the acinetobacter UC13. The biological surfactant is used for eliminating industrial greases and contaminants in the kitchen wastes containing the greases. The invention provides an extraction method of the biological surfactant. The extraction method is simple to operate and can be used for ensuring the high activity of the biological surfactant.

The invention discloses a summer type windscreen cleaning agent, which is characterized by the following: allocating fatty alcohol polyoxyethylene ether, polyether, inhibitor, ethylene glycol monobutyl ether, alcohol and water; producing the cleaning agent. This invention possesses good penetrability, emulsibility and dewatering and lean dust behavior, which can drop the tensile force of each phase interface.