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215results about How to "Wide operating temperature" patented technology

Impact modification of thermoplastics with ethylene/alpha-olefin interpolymers

ActiveUS20070010616A1Improve and maintain and impact performanceImprove and maintain modulusThermoplasticPolymer science
Compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and an ethylene multi-block copolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
Owner:DOW GLOBAL TECH LLC

Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene / α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
Owner:DOW GLOBAL TECH LLC

Bearing lubricating grease and preparation method thereof

ActiveCN102977978AHigh dropping point temperatureNot collapseLubricant compositionLithium hydroxideAntioxidant
The invention relates to bearing lubricating grease comprising the following components of: (a) a compound thickening agent formed by lithium 12-hydroxystearate soap, lithium binary acid soap and lithium borate, (b) an additive, and (c) base oil, wherein the compound thickening agent is formed by soapnifying 12-hydroxystearic acid, binary acid and boric acid with lithium hydroxide; and the additive amount of the boric acid is 1-5 parts by weight while the weight of the base oil is 100 parts by weight, wherein the additive is one or combination of at least two of an antioxidant, an antirusting agent, an anti-wear reagent at extreme pressure and a metal passivator. The dropping point temperature of the bearing lubricating grease provided by the invention is more than or equal to 300 DEG C, and the bearing lubricating grease provided by the invention does not collapse or fade and has the characteristics of long service life, silence and high temperature resistance.
Owner:安徽意博润滑科技有限公司

Impact modification of thermoplastics with ethylene/alpha-olefin interpolymers

Compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and an ethylene multi-block copolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
Owner:DOW GLOBAL TECH LLC

Impact modification of thermoplastics with ethylene/α-olefin interpolymers

Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene / α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
Owner:DOW GLOBAL TECH LLC

Unitary or polybasic aerogel thermal insulation material and preparation method thereof

ActiveCN102584162AGood application effectApplicability is differentThermal insulationSingle component
The invention discloses a unitary or polybasic aerogel thermal insulation material and a preparation method of the material. The method comprises the steps of preparing sol, solidifying sol to form gel, aging and drying, or comprises the steps of preparing sol, preparing a prefabricated body, infiltrating, coagulating sol, aging and drying. The aerogel component in the thermal insulation materialdisclosed by the invention is formed in a unitary or polybasic way, and can be formed by flexibly adjusting a single component, so that the characteristic of aerogel can be given a full play to the greatest extent, the material can be used in different temperature resisting fields, and aerogel formed by different components can be used aiming at the different temperature resisting fields, so thatthe heat insulation effect of the aerogel thermal insulation material can be more high-efficiency. The production and forming method of the unitary or polybasic aerogel thermal insulation material, disclosed by the invention, is a set of technology which is complete, continuous, and low in cost, and can be used in industrial method production, the produced aerogel thermal insulation material withhigh performance is wide in application field, is wide in using temperature, can meet different using requirements of war industry fields, civil fields, heat-protection fields with special requirements, and the like.
Owner:GUANGDONG ALISON HI TECH

Enzymatic cleaner having high pH stability

The present invention is directed to a cleaning composition comprising: (a) an enzyme in an amount effective to promote cleaning; (b) viable microorganisms in an amount effective to degrade and promote the degradation of organic materials; (c) a surfactant; and (d) an aqueous carrier; said cleaning composition maintaining at least 95% enzymatic activity at a pH range of from about 5.5 to about 13.5.
Owner:TREYCO SUPPLY

Infrared camera and infrared camera system having temperature selecting switch

An infrared camera with lower dissipation power, a wide range of operating environment temperature, and a shorter warmup is provided. The infrared camera includes a plurality of device operating-temperature setting circuits setting respective device operating temperatures different from one another, a device operating-temperature setting switch for selecting one of the output of the device operating-temperature setting circuits, and a temperature sensor, and performs imaging by switching the connection target of the device operating-temperature setting switch according to a measurement by the temperature sensor, that is to say, according to the temperature inside an enclosure and selecting an operating temperature for an imaging device among a plurality of device operating-temperature settings.
Owner:MITSUBISHI ELECTRIC CORP

Thermoplastic olefin composition with improved heat distortion temperature

Compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and an ethylene multi-block copolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles.
Owner:DOW GLOBAL TECH LLC

Molten nano-carbonate heat transfer and accumulation medium, and preparation method and application thereof

ActiveCN103923619AHigh safe use upper limit temperatureReduce volume shrinkage ratioHeat-exchange elementsHeat stabilityNanoparticles dispersion
The invention provides a molten nano-carbonate heat transfer and accumulation medium, and a preparation method and an application thereof, and belongs to the technical field of heat storage and transmission. The molten nano-carbonate heat transfer and accumulation medium contains a molten carbonate system formed by potassium carbonate, sodium carbonate, lithium carbonate and sodium chloride, nanoparticles are added into the molten carbonate system, and the nanoparticles are metal oxide and / or nonmetal oxide; and the nanoparticles are dispersed into the molten carbonate system, and the molten nano-carbonate heat transfer and accumulation medium is formed through compounding. The melting point of molten nano-carbonate is low, so the molten nano-carbonate heat transfer and accumulation medium has an upper limit use temperature of 800DEG C, has a good heat stability and a high heat conductivity, and is very suitable for the heat accumulation and transfer systems of industrial energy accumulation and solar photo-thermal power generation.
Owner:QINGHAI ENESOON NEW MATERIAL TECH & SCI CO LTD

Lithium secondary battery additive, preparation method thereof, and application thereof

The invention relates to the technical field of lithium secondary battery additives and particularly relates to a lithium secondary battery additive, a preparation method thereof and application thereof. The additive is LibMaXc, M is B, Al, Ga, In, Y, Sc, Sb, Bi, Nb, Ta, Ti, Zr, V, Cr, Mo, W, Mn, Tc, Re, Fe, Co, Ni, Cu, Ag, Zn, Cd, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, X isF, Cl, Br or I, b is larger than or equal to 0.2 and smaller than or equal to 6, a is larger than or equal to 0.1 and smaller than or equal to 3, and c is larger than or equal to 1 and smaller than or equal to 9. The lithium secondary battery additive has the advantages of high ionic conductivity and air stability, the rapid transmission of electrode ions can be improved, the electrode loading capacity and thickness are improved, and the energy density of the battery is improved.
Owner:CHINA AUTOMOTIVE BATTERY RES INST CO LTD +1

Thermal pellet incorporated thermal fuse and method of producing thermal pellet

A thermal fuse incorporating a thermal pellet has its operating temperature, or heat distortion temperature, adjusted and the thermosensitive material of the pellet avoids deformation, modification or similar deficiency if it is exposed to a severe external environment. The inexpensive thermal fuse provides a wider range from which an operating temperature can be selected, improved insulation resistance after operation, faster response speed in operation, and enhanced strength of the thermal pellet. The thermosensitive material is formed of a thermoplastic resin corresponding to a high molecular weight substance. The thermal pellet's heat distortion temperature is adjusted by a temperature setting method. An enclosure of the fuse has a metal casing with a spring member's strong and weak compression springs both accommodated therein and hermetically sealed.
Owner:SCHOTT JAPAN CORP

Thermal pellet incorporated thermal fuse and method of producing thermal pellet

There is provided a thermosensitive material allowing a thermal pellet incorporated thermal fuse's operating temperature, or heat distortion temperature, to be adjusted and preventing deformation, modification or similar deficiency if it is exposed to severe external environment, and there is provided an inexpensive thermal fuse that provides a wider range from which an operating temperature is selected, improved insulation resistance after operation, faster response speed in operation, and enhanced strength of the thermal pellet. To do so, the thermosensitive material is formed of thermoplastic resin corresponding to a high molecular substance, the thermal pellet's heat distortion temperature is adjusted by a temperature setting method, and an enclosure has a metal casing with a spring member's strong and weak compression springs and both accommodated therein and hermetically sealed.
Owner:SCHOTT JAPAN CORP

Preparation method of polymer weak gel deep profile control agent

The invention relates to a preparation method of a polymer weak gel deep profile control agent. The preparation method comprises the following steps of preparing sodium carboxymethyl cellulose and distilled water into sodium carboxymethyl cellulose water solution of which the mass percentage is 1%-2%; adding acrylamide of which the mass is 2-8 times as great as that of the sodium carboxymethyl cellulose into the sodium carboxymethyl cellulose water solution, and then adding a cross-linking agent which accounts for 0.01%-2% of the total weight of the sodium carboxymethyl cellulose and the acrylamide; enabling nitrogen to enter into a closed system and isolating the air, and adding an initiating agent which accounts for 1%-2% of the total mass of the sodium carboxymethyl cellulose and the acrylamide; and discharging after carrying out constant-temperature reaction for 4-12 hours under the temperature of 30-60 DEG C. According to the preparation method disclosed by the invention, the acrylamide is grafted to the sodium carboxymethyl cellulose, polymer weal gel with a mesh structure is formed under the action of the initiating agent and the cross-linking agent, and a polymer weak gel system integrates the advantages of the sodium carboxymethyl cellulose and the acrylamide.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Building ecological heat-insulation mortar and preparation method thereof

The invention relates to a building ecological heat-insulation mortar and a preparation method of the heat-insulation mortar, belonging to the technical field of buildings heat-insulation mortar materials. The preparation method mainly comprises the steps of organically combining phase change material, material for regulating environment humidity and adsorbing harmful gas, and foaming heat-insulation inorganic cementing material, and fully building an ecological environment of human and buildings. The raw materials are cheap and easily available, thus being conducive to waste recovery, environment friendliness and energy conservation. The product is convenient to produce, package, store, transport and construct. Heat-insulation inner wall mortar, heat-insulation outer wall mortar, heat-insulation building mortar, heat-insulation floor heating mortar and heat-insulation wall pouring mortar can be prepared by regulating different formulas. The construction modes include manual scraping, pouring and mechanical spraying.
Owner:武汉优特斯节能建材研究所

Electric double-layer capacitor

Present invention relates to an electric double-layer capacitor having positive and negative electrodes containing nonporous carbon as an electrode active material. In the nonporous carbon, multiple layers of graphene having an average interplanar spacing d002 of 0.350 to 0.380 nm have been grown well. The positive and negative electrodes are impregnated with an electrolyte solution. The nonporous carbon is obtained by activating easily graphitizable carbon, which in turn is obtained by calcining needle coke or pitch made infusible. The elctrolyte solution is either a liquid electrolyte having a planar molecular structure or an electrolyte solution consisting of a liquid electrolyte dissolved in an organic solvent.
Owner:NANTONG JIANGHAI CAPACITOR CO LTD

Novel nickel-based LPG water vapor reforming catalyst and preparation method thereof

The invention relates to a novel nickel-based liquefied petroleum gas (LPG) water vapor reforming catalyst and a preparation method thereof, and belongs to the technical field of catalyst preparation processes. The LPG water vapor reforming catalyst consists of oxides of nickel, magnesium and aluminum. The LPG water vapor reforming catalyst is characterized in that: the nickel content is 5 to 20 weight percent, and the molar ratio of the magnesium to the aluminum is 0.5-2:1. The preparation method comprises the following steps of: titrating soluble magnesium nitrate and aluminum nitrate to obtain sediment by using alkali liquor; performing suction-filtration, washing, drying and baking the sediment to obtain a magnesium aluminum composite oxide carrier; and loading a certain amount of nickel on the obtained carrier by an immersion method, and drying and baking the carrier again to obtain a finished catalyst product. The prepared catalyst has the advantages of high catalytic activity, wide usage temperature, good catalytic stability, high mechanical strength, low production cost and the like. The life experiment results show that the preferable 15 weight percent Ni / Mg1.25 (Al) catalyst is a potential LPG water vapor reforming catalyst.
Owner:SHANGHAI UNIV

Efficient denitrified integral catalyst of stationary source

The invention discloses an efficient denitrified integral catalyst of a stationary source, which relates to a control technique of catalytic selective reducing nitric oxides (NOx) in the fields of catalyzation, environmental protection and energy saving and is characterized in that honeycomb cordierite ceramics are used as matrixes; gamma-Al2O3 is used as a first carrier; anatase crystal TiO2 is used as a second carrier; and a manganese oxide molecular sieve (V-OMS) of framework vanadium ions (V<5+>) is used as an active component, wherein contents of the gamma-Al2O3 and the TiO2 are respectively 5wt% to 15wt% and 5wt% to 15wt%; the content of the V-OMS is 5wt% to 20wt%; and the molar ratio of V to Mn is between 0 and 0.20. On a window with wide temperature of 80 DEG C to 450 DEG C, the conversion ratio of the NOx of the integral catalyst of the invention by using NH3 as a reducing agent is not less than 85%; and the selectivity of N2 is larger than 90%. The integral catalyst is suitable for controlling the discharge of nitrogen oxides of the stationary source (boiler).
Owner:唐幸福 +1

Optical image capturing system

InactiveUS20180106979A1Reduce the overall heightAvoid undesired generationMountingsInfraredOptical axis
An optical image capturing system including an imaging lens assembly having at least three lens elements for capturing image is provided. The optical image capturing system includes at least three pieces of lens elements; a first image plane for visible ray; a second image plane for infrared ray; and an image sensing device located between the first image plane the second image plane. The distance on the optical axis can be minimized by the design of said optical lens elements to improve the imaging quality of both visible ray and infrared ray in compact cameras.
Owner:ABILITY OPTO ELECTRONICS TECH

High-efficient denitration monolithic catalyst for titanium oxide carried vanadium-molybdenum composite oxide

The invention relates to a high-efficient denitration monolithic catalyst for titanium oxide carried vanadium-molybdenum composite oxide and a preparation method thereof, and relates to a technology for controlling selective catalytic reduction of nitrogen oxide (NOx) in the fields of catalysis, environmental protection and energy saving. The preparation method provided by the invention is characterized in that a honeycomb cordierite ceramic material is used as a matrix, gamma-Al2O3 is used as a first carrier, Anatase crystalline TiO2 is used as a second carrier, and active components containing V2O5-MoO3 composite oxide are used as the active components, wherein the contents of gamma-Al2O3 and TiO2 are respectively 5-15 wt% and 5-10 wt%, the content of V205-MoO3 is 1-10 wt%, and the mol ratio of V / Mo ranges from 0 to 0.20. The monolithic catalyst provided by the invention has a broad temperature window of 80-450 DEG C; with NH3 as a reducing agent, the transformation rate of NOx is not less than 85%; and the selectivity on N2 is greater than 90%.
Owner:上海复翼环保科技有限公司

High-voltage lithium ion battery electrolyte

The invention discloses high-voltage lithium ion battery electrolyte which comprises the following five components: (A) fluorine-containing lithium sulfimide, (B) other lithium salts, (C) a fluorinated organic solvent, (D) carbonate and / or ether type organic solvents and (E) other functional additives. The electrolyte disclosed by the invention has wide service temperature and excellent film-forming performance, can prolong the cycle life and improve high / low-temperature bearing capacity of electric automobiles and is particularly suitable for high-voltage lithium ion batteries of 4.35v or above.
Owner:ZHEJIANG RES INST OF CHEM IND CO LTD +2

Compound calcium sulfonate base lubricating grease and preparation method thereof

The invention discloses compound calcium sulfonate base lubricating grease and a preparation method thereof. The key points of the technical scheme of the invention lie in that the compound calcium sulfonate base lubricating grease is prepared by adding calcium sulfonate in an inorganic substance and an organic substance compound calcium soap and thickening base oil, and an arylamine antioxidant is added in a thickening procedure. The high-performance compound calcium sulfonate base lubricating grease is prepared and acquired in a certain raw material ratio and operation condition. By using the compound calcium sulfonate base lubricating grease and the preparation method, the cost of a user is reduced; a product has favorable water resistance, lubricating property and high temperature resistance, cannot be emulsified and degreased, and is not easy to run off; the service life of mechanical equipment is prolonged; the maintenance time of the equipment is decreased; the production efficiency of the equipment is improved; a raw material formula is reasonable; the cost is low; the emission of three wastes does not exist in a production procedure; the compound calcium sulfonate base lubricating grease and the preparation method are environment-friendly while an industrial requirement is met; and the preparation method is a green production process.
Owner:XINXIANG HENGXING TECH CO LTD

Composite alloy inert anode for aluminum electrolysis and aluminum electrolysis method utilizing same

The invention relates to a composite alloy inert anode for aluminum electrolysis. The composition of the matrix of the composite alloy inert anode for aluminum electrolysis is (x)A(y)B, wherein X is the content of A in percentage by weight, y is the content of B in percentage by weight, X is 40-100%, and y is 0-60%; A consists of one or multiple elements of Cu, Ni, Fe, Co, Al, Mn, W, Cr, Ti, Sn and Zn; and B consists of one or multiple elements of Mo, Pd, Ag, Cd, Au, Pt, Sb, Mg, Ir, Bi, Pb, Si, N, C and rare-earth. A compact protective film is coated on the matrix, and is an oxide film and or a permeator. The composite alloy inert anode is adopted in the process of electrolysis, thus solving the problems of poor conductivity and thermal shock stability of ceramic anodes; the composite alloy inert anode has better corrosion resistance as compared with a single alloy anode; and in addition, the composite alloy inert anode is especially suitable for being applied in a low-temperature aluminum electrolysis system and can also be applied in the field of fusion-electrolysis metallurgy of rare earth, Mg and the like.
Owner:GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG

Multistage coupling heat accumulating type solar heat-power cogeneration system

The invention provides a multistage heat accumulating type solar heat-power cogeneration system which comprises a tower type heat absorption-accumulation-transfer subsystem, a tank type heat absorption-accumulation-transfer subsystem, a flat plate type heat absorption-accumulation-transfer subsystem and a heat-power cogeneration subsystem, wherein the tower type heat absorption-accumulation-transfer subsystem, the tank type heat absorption-accumulation-transfer subsystem and the flat plate type heat absorption-accumulation-transfer subsystem are coupled through a moderate temperature coupling heat accumulator and a low temperature coupling heat accumulator; and the heat-power cogeneration system comprises a power supply mode, a heat supply mode and a heat-power cogeneration mode, and operates together with the three heat absorption-accumulation-transfer subsystems. The invention organically combines the solar tower type, tank type and flat plate type heat collecting systems to form high temperature, moderate temperature and low temperature three-stage heat accumulators; and thus, the invention can meet the requirements for industrial large-scale solar moderate temperature and high temperature heat utilization, and is beneficial to the comprehensive cascading utilization of energies.
Owner:SUN YAT SEN UNIV +1

Industrial preparation process for 3,4-difluorobenzonitrile

The invention relates to an industrial preparation process for 3,4-difluorobenzonitrile. The method comprises the following steps of: reacting 3,4-dichlorobenzonitrile and anhydrous potassium fluoride under the protection of nitrogen by taking 1.3-dimethyl-2-imidazolone as a reaction solvent and N-bis(dimethylamino)methylene-1.3-dimethyl imidazoline-2-ammonium chloride salt as a catalyst at the temperature of between 200 and 230 DEG C for 20 hours, reacting with rectifying to obtain a 3,4-dichlorobenzonitrile crude product, rectifying the 3,4-dichlorobenzonitrile to obtain high-purity 3,4-dichlorobenzonitrile, and distilling the solvent and recycling. The method has the advantages of simplicity, mild reaction, short period, and high yield.
Owner:TAIXING YUANDONG CHEM

Multi-case-layer structure X8R capacitor dielectric ceramic and preparation method thereof

The invention relates to multi-case-layer structure X8R capacitor dielectric ceramic and a preparation method thereof. The multi-case-layer structure X8R capacitor dielectric ceramic is characterized by being prepared from BaTiO3-Nb2O5-Co2O3-Sm2O3-CeO2 powder and 0.5BaTiO3-0.5Bi(Mg1 / 2Ti1 / 2)O3 powder, wherein the molar ratio of the BaTiO3-Nb2O5-Co2O3-Sm2O3-CeO2 powder to the 0.5BaTiO3-0.5Bi(Mg1 / 2Ti1 / 2)O3 powder is x / 1, and x is greater than or equal to 4 but is smaller than or equal to 8. The capacitor dielectric ceramic prepared by the method has the characteristics of wide work temperature range and high stability.
Owner:WUHAN UNIV OF TECH

System and method for vehicle-used battery thermal management

The invention discloses a system and method for vehicle-used battery thermal management. The system adopts the structure that the output end of a water tank is connected in series with a liquid circulating pump through a pipeline; a refrigerator is fixedly arranged at the upper part inside the water tank; a flat aluminum tube is wound among single batteries; one end of the flat aluminum tube is connected with the liquid circulating pump, and the other end of the flat aluminum tube is connected with the input end of the water tank; a silica gel heating sheet is embedded between the flat aluminum tube and the biggest surface of each single battery; a temperature sensor is arranged on a vehicle-used battery; a fan is arranged outside a battery box and faces an air inlet; a battery control unit is connected with the temperature sensor through a control wire, connected with the fan through a control switch S1, connected with the liquid circulating pump through a control switch S2, connected with the refrigerator through a control switch S3, and connected with the silica gel heating sheet through a control switch S4. The system for vehicle-used battery thermal management has the advantages that two cooling systems are adopted; when the two cooling systems work simultaneously under a high-temperature condition, the effect of heat dissipation can be improved, and the period of heat dissipation can be shortened; if one cooling system breaks down, the other cooling system can still work.
Owner:JIANGSU UNIV

Charge Storage Device

A supercapacitor capable of withstanding SMT manufacturing conditions comprising at least one pair of electrodes having a mixture of carbon particles preferably in a CMC binder on facing surfaces of the at least one pair of electrodes; a porous separator, preferably polyimide, positioned between the facing surfaces of the at least one pair of electrodes; and an electrolyte for wetting the separator wherein the electrolyte comprises an ionic liquid, such as EMITSFI, and optionally a solvent such as PC, GBL or glutaronitrile.
Owner:CAP XX LTD

High-temperature proton exchange membrane in porous hydrogel base as well as preparation method and application of membrane

The invention provides a high-temperature proton exchange membrane in a porous hydrogel base as well as a preparation method and an application of the membrane. The preparation method of the high-temperature proton exchange membrane comprises the following steps of: automatically-polymerizing a hydrophilic monomer or enabling the hydrophilic monomer and a hydrophilic macromolecule to form a (semi) interpenetrating network structure hydrogel film; swelling the (semi) interpenetrating network structure hydrogel film by adsorbing deionized water; and adsorbing a proton conductor aqueous solution through vacuum-freezing and drying to obtain the high-temperature proton exchange membrane in the porous hydrogel base, wherein the proton conductivity of the prepared proton exchange membrane in the porous hydrogel base can reach 0.1S.cm<-1> to 0.15S.cm<-1>. The preparation method disclosed by the invention is better than the conventional preparation method for the proton exchange membrane doped with a proton conductor, and capable of adsorbing the proton conductor to the three-dimensional network structure of the hydrogel film and firmly sealing the proton conductor by utilizing the porous structure, the swelling property, the unique adsorption and the retainability of the hydrogel film. The high-temperature proton exchange membrane in the porous hydrogel base is large in proton conductor adsorbing capacity, high in proton conductivity, wide in operation temperature range, simple and easy in preparation method, low in cost and large in improvement space.
Owner:OCEAN UNIV OF CHINA

Biodegradable water-based type metal cleaner, as well as preparation method and application thereof

The invention discloses a biodegradable water-based type metal cleaner which is prepared from the following components in parts by weight: 4 to 60 parts of surface active agent, 0.1 to 5 parts of rust-proof corrosion inhibitor, 0.1 to 5 parts of complexing agent, 0 to 10 parts of detergent assistant, 0 to 10 parts of cosolvent, and 30 to 85 parts of water. The surface active agent is prepared fromthe following components in parts by weight: 1 to 20 parts of fatty acid methyl ester ethoxylates, 1 to 20 parts of grease ethoxylate, 1 to 10 parts of natural fatty alcohol polyoxyethylene ether sodium sulfate, and 1 to 10 parts of alcohol alkoxylate. Compared with a conventional surface active agent, the biodegradable water-based type metal cleaner provided by the invention is easy to biodegradable, has high permeability and cleaning capacity, has an outstanding solubilization effect on oily dirt, has high degreasing efficiency on metal without corroding the metal surface, has excellent biodegradability, and is capable of effectively reducing the pollution of degreaser waste water on the environment.
Owner:中轻日化科技有限公司
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