70 results about "Nonylphenol" patented technology

The application discloses a thickened oil viscosity reducer for a main viscosity contribution component of colloid and a preparation method thereof. The thickened oil viscosity reducer comprises the following components in percentage by weight: diethylene glycol methyl ether 25-35%, propylene glycol formate 15-25%, dispersant 5-8%, chelating agent 2-4%, anti-coking agent 0.5-1%, anti-swelling agent 1-2% and corrosion inhibitor 1-2%; and the balance is water. The application is a polar + non-aromatic hydrocarbon solvent system; completely avoids high-risk substances such as nonylphenol polyoxyethylene ether, petroleum sulfonate sodium and organic chlorine; is designed in pertinence and can effectively inhibit metal-induced asphaltene bridging; can withstand working conditions from normal temperature to 250 DEG C and up to 300 DEG C; thermal stability is significantly enhanced, and residual carbon after aging is lower than 8%; viscosity reduction efficiency is higher; the system is more stable, flexible in compounding and suitable for field construction.

A nonwoven, a method for making such a nonwoven, and the use of waste carbon to make such a nonwoven. The nonwoven has a total carbon content (TCC) from which 10% to 100% of the TCC of the nonwoven are derived from waste carbon. The nonwoven meets one or more of the criteria a) to e) by comprising less thana) 5000 μg / kg of iso-Nonylphenolhexaethoxylate;b) 500 μg / kg of iso-Nonylphenol;c) 4.0 ng / kg of Octachlorodibenzodioxin;d) 500 μg / kg of Di-2-ethylhexyl phthalate; and / ore) 25 μg / kg of Napthalene.

The application discloses an aluminum alloy cleaning agent and a preparation method and application thereof, and belongs to the technical field of cleaning agents. The aluminum alloy cleaning agent comprises the following raw materials in parts by weight: 7-12 parts of ionic surfactant A, 3.5-6 parts of non-ionic surfactant B, 0.2-3 parts of a dispersing solubilizing agent, 0.8-1.5 parts of a penetrating agent, 3-6 parts of a chelating agent, 0.2-2 parts of an inhibitor, 0.01-0.05 parts of a defoaming agent and 67-83 parts of deionized water. The non-ionic surfactant A comprises at least one of a fatty alcohol polyoxyethylene ether and a nonylphenol polyoxyethylene ether. The non-ionic surfactant B comprises a sorbitan fatty acid ester. The dispersing solubilizing agent comprises a polyhydric alcohol. The aluminum alloy cleaning agent can effectively improve cleaning power, avoid aluminum alloy tarnishing, and is environmentally friendly. The application further provides a preparation method and application of the aluminum alloy cleaning agent.

The application discloses a marine-derived cholesterol oxidase and a preparation method and application thereof, and relates to the technical field of biology. The amino acid sequence of the marine-derived cholesterol oxidase (SkChOx) is shown in SEQ ID NO. 1 or 3, the specific enzyme activity of the marine-derived cholesterol oxidase can reach 31.9 U / mg, the marine-derived cholesterol oxidase has excellent anti-reverse performance, maintains high stability in the pH range of 5.0-10.0, has good temperature tolerance, organic solvent tolerance and metal ion tolerance, and exhibits unique salt activation effect and salt tolerance. The enzyme is compounded with dithiothreitol (DTT) and nonylphenol polyoxyethylene ether (NP-40) to form a liquid enzyme preparation, and after incubation at 37 DEG C for 7 days under accelerated conditions, the catalytic activity of the liquid enzyme preparation still remains about 87%, the liquid enzyme preparation has excellent long-acting storage stability, and has wide application prospects in the fields of clinical diagnosis, food physical and chemical inspection, biosensor development and industrial preparation of steroid drugs.

This invention provides an environmentally friendly, high-performance waterborne acrylic pressure-sensitive adhesive and its preparation method. The raw materials, by weight, include: 75-105 parts monomer, 1-5 parts functional monomer, 0.3-0.8 parts initiator, 0.05-0.2 parts buffer, 0.01-0.1 parts molecular weight regulator, 0.3-3 parts emulsifier, 0.05-0.5 parts defoamer, 0.05-0.2 parts pH adjuster, and 80-100 parts deionized water. The prepared pressure-sensitive adhesive is nonylphenol-free and meets RoHS and REACH standards. It exhibits high bonding strength and transparency, and can be used to prepare various transparent, printed, and colored BOPP packaging tapes, various double-sided tapes, and various labels.

This invention belongs to the field of packaging and printing materials, specifically relating to a high-temperature resistant water-based micro-crosslinked transfer coating. The raw materials for this high-temperature resistant water-based micro-crosslinked transfer coating consist of the following components: methacrylic acid, N-hydroxymethylacrylamide, butyl acrylate, methyl methacrylate, diallyl phthalate, 1,6-hexanediol diacrylate, tricyclodecanedimethylol diacrylate, trimethylolpropane triacrylate, di(trimethylolpropane)tetraacrylate, potassium persulfate, sodium bicarbonate, alkylphenol polyoxyethylene ether ammonium sulfate, nonylphenol polyoxyethylene ether, deionized water, ethanol, ammonia, wetting agent, defoamer, and film-forming agent. Its beneficial effects include a stable reaction process during the preparation of this high-temperature resistant water-based micro-crosslinked transfer coating, reducing the likelihood of slag formation or explosive polymerization; high gloss in the coating film; good adhesion to vacuum metallization; minimal fogging or whitening; high-temperature molding resistance up to 180℃; and easy peeling of PET film with a high yield.

The application relates to a grinding aid and a preparation method and application thereof, the grinding aid comprising a to-be-treated solution and a surfactant; the to-be-treated solution contains sodium acrylate, sodium hydroxide and sodium p-toluenesulfonate; and the surfactant comprises at least one of sodium dodecyl benzene sulfonate, sodium lignosulfonate, allyl polyether, fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether and nonyl phenol polyoxyethylene ether. The specific surfactant in the grinding aid cooperates with the to-be-treated solution, synergistically improves the interface wetting performance of the material, weakens the powder aggregation phenomenon, reduces the surface energy, and further improves the dispersibility of the material and the gradation and fluidity of the material.

The application relates to the field of immunohistochemical staining, in particular to a DAB buffer and a DAB staining solution kit for DAB color development. The application discloses a DAB buffer for DAB color development, and the main components are hydrogen peroxide, nonylphenol polyoxyethylene ether, magnesium sulfate and trisodium citrate. The metal ions in the DAB buffer can enhance the electron transfer speed between DAB and hydrogen peroxide, and improve the color development sensitivity. The nonylphenol polyoxyethylene ether can stabilize the hydrogen peroxide, so that the hydrogen peroxide can be stored for a longer time and the cost is saved. The application further discloses a DAB staining solution kit, which comprises a blocking agent, a reaction enhancer, an enzyme-labeled polymer IgG, a DAB concentrated solution, a DAB buffer and hematoxylin, and the above-mentioned DAB buffer for DAB color development. The DAB staining solution kit of the application can improve the detection sensitivity of immunohistochemical staining, and can also improve the storage stability of the DAB color development solution and reduce the cost.

The invention discloses modified impact-resistant ACR for polyvinyl chloride and a preparation method of the modified impact-resistant ACR, and relates to the field of impact-resistant modifiers. The modified impact-resistant ACR is prepared from the following raw materials: methyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glycidyl methacrylate, acrylamide, divinyl benzene, maleic anhydride grafted nitrile rubber, methacrylic acid, an initiator, an emulsifier and a catalyst; the maleic anhydride grafted nitrile rubber is obtained by graft polymerization of maleic anhydride and nitrile rubber; the emulsifier is obtained by mixing lauryl sodium sulfate and nonylphenol polyoxyethylene ether. The preparation method of the modified impact-resistant ACR comprises the following steps: preparing maleic anhydride grafted nitrile rubber, preparing a pre-emulsion, carrying out emulsion polymerization, and preparing the modified impact-resistant ACR. The modified impact-resistant ACR prepared by the invention can effectively enhance the low-temperature notch impact strength and ultraviolet aging resistance of polyvinyl chloride.

The present invention relates to systems and methods for catalytic removal of oxidized contaminants (for example, nitrite, chromate, chlorate, trichloroethene, CFC-11, 4-nonylphenol, RDX, and perfluorooctanoate) from water and wastewater. In some aspects, the catalytic method of removing oxidized contaminants comprises using precious metal nanoparticles as catalysts to reduce the oxidized contaminants.

The present application relates to a kind of waste phosphoric acid tributylamine / kerosene pyrolysis incineration emulsification method, comprising: phosphorus solid agent, emulsifier, water are mixed uniformly to obtain lime milk, then TBP / OK waste liquid is added into lime milk and mixed uniformly, to obtain TBP / OK emulsified suspension;Wherein emulsifier is nonylphenol polyoxyethylene ether.Compared with prior art, the present application improves the processing efficiency of waste organic phase, reduces the input of time cost and labor cost, has greater economic benefit and environmental benefit.

The invention discloses a high performance liquid chromatography detection method for ethinylestradiol and nonyl phenol in soil. The method comprises the steps of S1, sample pretreatment, S2, sample extraction, S3, solid phase extraction and purification, S4, high performance liquid chromatography detection and S5, quantitative analysis. The detection method overcomes the defects of a method for synchronously and quantitatively detecting two typical endocrine disruptors in different types of farmland soil in the prior art by aiming at the industrial technical pain points of complex soil matrix, large polarity difference between ethinylestradiol and nonyl phenol and high trace enrichment difficulty; and a stable and reliable technical support is provided for pollution characteristic research, environment fate analysis and ecological risk assessment of ethinylestradiol and nonyl phenol in soil.

This application provides a preparation process for an ultra-high water-reducing polycarboxylate superplasticizer, belonging to the field of concrete admixture technology. An ultra-high water-reducing polycarboxylate superplasticizer comprises the following components: a polyether macromonomer, an unsaturated carboxylic acid, a hyperbranched wetting-anti-mud functional monomer, a pH-responsive slow-release crosslinking monomer, an oxidant, a reducing agent, a chain transfer agent, and deionized water. This application achieves anti-mud function through the coordination complexation of the phosphate ester groups of WSP-1 with clay, and the nonylphenol chain improves the wettability of manufactured sand; SREM-2 achieves long-term slump retention through the gradient release of dicarboxyl groups under alkaline conditions, realizing a synergistic effect of front-end anti-mud wetting, mid-stage strong anchoring, and rear-stage slow-release compensation relay.

The invention discloses a synthesis method of polyether polyol, and belongs to the technical field of chemical synthesis of fine chemicals. The method comprises the following steps: mixing 4-n-hexylresorcinol and a small molecular alcohol compound, adding an inorganic base catalyst for reaction, and then carrying out reduced pressure distillation treatment; adding a mixture of epoxypropane and ethylene oxide into the system for reaction; after the reaction is finished, introducing epoxypropane for reaction, and then introducing ethylene oxide for reaction; and after the reaction is finished, adding acid to adjust the pH value, and then carrying out filtration and reduced pressure distillation treatment to obtain the polyether polyol. The synthesis of the 4-n-hexylresorcinol-based special polyether polyol is realized under mild conditions, the viscosity, the hydroxyl value, the average molecular weight and the HLB value of the 4-n-hexylresorcinol-based special polyether polyol can be regulated and controlled, the 4-n-hexylresorcinol-based special polyether polyol can be used instead of environmental hormone chemical substances such as nonyl phenol and octylphenol polyoxyethylene ether, and the 4-n-hexylresorcinol-based special polyether polyol has remarkable environmental protection and application values.

The invention discloses fipronil missible oil and a preparation method thereof. Relates to the technical field of pesticide preparations. Comprising the following steps: stirring odorless kerosene and tributyl phosphate; adding nonylphenol polyoxyethylene ether, and stirring; adding dodecylbenzene sulfonic acid calcium salt, and stirring; adding polyoxyethylene nonylphenol phosphate, and stirring; and finally, adding fipronil, and continuously stirring to obtain the fipronil missible oil. The finished product is low in odor, clear, stable and good in water dilution and emulsification; through sand-based bioassay, under the same soil target concentration (g / g), the LC50 of the missible oil for 12 hours and 24 hours is obviously lower than that of the missible oil sold in the market, and the missible oil has a better lethal effect.

The invention discloses redispersible graphene powder, a preparation method and application of the redispersible graphene powder in anticorrosive paint, and belongs to the technical field of nano material dispersion and anticorrosive paint modification. The modified graphene powder comprises the following raw materials: 40%-90% of a solvent, 8%-50% of a modifier and 0.5%-10% of graphene powder; the modifier is one of fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, octylphenol polyoxyethylene ether, polysorbate and isomeric alcohol polyoxyethylene ether. According to the preparation method, specific nonionic surfactant modification and drying processes are carried out on graphene, so that the functionalized powder which can be directly added into a coating matrix is obtained. The graphene powder greatly reduces the packaging and transportation cost, keeps the excellent redispersibility of graphene after long-term storage (6 months), and can be used for preparing water-based and oil-based anticorrosive coatings. The invention provides a ready-to-use and high-durability anti-corrosion solution for harsh corrosion environments such as ocean engineering equipment, oil and gas field equipment pipelines, chemical equipment and the like.

The application discloses a cleaning agent composition and a preparation method and application thereof. The cleaning agent composition comprises the following components in parts by weight: nonylphenol polyoxyethylene ether phosphate 8-20 parts; octylphenol polyoxyethylene ether 3-8 parts; amino acid derivative chelating agent 1-3 parts; pH buffer in proper amount; urea 1-3 parts; propylene glycol 20-30 parts; and water 50-60 parts. The pH of the cleaning agent composition is 5.7-6.5. In the cleaning agent composition, nonylphenol polyoxyethylene phosphate and octylphenol polyoxyethylene ether are compounded, an amino acid derivative chelating agent is used in a slightly acidic environment, and the cleaning agent is prepared by simultaneously interacting with urea and propylene glycol. The prepared cleaning agent has good decontamination performance, has less negative influence on glass and metal, and has good low-temperature solubility and decontamination capacity.

The invention discloses a high and low temperature resistant acrylate emulsion, a preparation method thereof and application of the acrylate emulsion as a high and low temperature resistant film-forming agent in a fabric coating finishing agent. The acrylate emulsion is prepared from the following raw materials in percentage by mass: 30%-35% of butyl acrylate, 3%-6% of styrene, 1%-2% of acrylic acid, 5%-10% of acrylonitrile, 5%-10% of 2-ethylhexyl acrylate, 4%-6% of epoxy resin E51, 1.9%-2.1% of vinyl silicone oil, 0.5%-1% of sodium bicarbonate, 2.2%-2.4% of 1-allyloxy-3-(4-nonylphenol)-2-propanol polyoxyethylene (10) ether ammonium sulfate, 0.14%-0.16% of succinic acid alkyl ester sodium disulfonate, 0.37%-0.39% of ammonium persulfate and the balance of water. The theoretical glass transition temperature of the acrylate emulsion is-35 to-40 DEG C. The preparation method adopts semi-continuous seed emulsion polymerization.

Method of forming alcohol ethoxylate polymers using a catalyst. The method comprising reacting an ethylene oxide; and an alcohol which can be selected from butanol, octanol, decanol, docosanol and non

The application relates to the technical field of epoxy mortar, and particularly discloses high-strength epoxy mortar suitable for construction in a low-temperature environment and a preparation method thereof. Technical points of the high-strength epoxy mortar suitable for construction in a low-temperature environment are as follows: the high-strength epoxy mortar suitable for construction in a low-temperature environment comprises A and B components which are separately stored and mixed according to a weight ratio of 12-14:1 during use, the A component comprises the following components in parts by weight: 100-150 parts of epoxy resin, 5-10 parts of a silane coupling agent, 5-10 parts of titanium white, 5-10 parts of a depositions inhibitor, 150-200 parts of quartz sand and 150-200 parts of talcum powder; the B component comprises thiourea modified polyether amine and nonyl phenol, and the weight ratio of the thiourea modified polyether amine to the nonyl phenol is 1:(1.5-3.5). The preparation method is as follows: the A and B components are mixed uniformly and independently packaged. The epoxy mortar provided by the application has the characteristics of good construction performance in a low-temperature environment, and the obtained curing system has excellent mechanical properties.

The invention discloses a samarium monatomic and strontium-doped neodymium oxide composite catalyst and a preparation method thereof, a nonylphenol electrochemical sensor and application thereof. The preparation method of the composite catalyst comprises the following steps: adding resorcinol, a formaldehyde solution and Sm (NO3) 3.6 H2O into an absolute ethyl alcohol-based colloidal suspension to carry out sol-gel treatment, and carrying out carbonization and etching to obtain Sm-SAC; the preparation method comprises the following steps: dropwise adding a first solution containing strontium hydroxide and neodymium nitrate hexahydrate into a second solution containing 1, 2, 3-triazole, trimesic acid and polyvinylpyrrolidone to prepare a Sr-Nd bimetallic precursor, annealing to obtain strontium-doped neodymium oxide, adding the Sm-SAC and the strontium-doped neodymium oxide into water, and carrying out ultrasonic dispersion, centrifugation, washing and drying to obtain the composite catalyst. The composite catalyst provided by the invention has strong adsorption capacity, efficient electrocatalytic oxidation activity, excellent anti-interference capability and structural stability, and the sensor has high recovery rate, low signal attenuation and excellent reusability.

A nonwoven, a method for making such a nonwoven and the use of waste carbon to make such a nonwoven. The nonwoven has a total carbon content (TCC) from which 10% to 100% of the TCC of the nonwoven are derived from waste carbon. The nonwoven meets one or more of the criteria a) to e) by comprising less than a) 5000 µg / kg of iso-Nonylphenolhexaethoxylate; b) 500 µg / kg of iso-Nonylphenol; c) 4.0 ng / kg of Octachlorodibenzodioxin; d) 500 µg / kg of Di-2-ethylhexyl phthalate; and / or e) 25 µg / kg of Napthalene.

The application discloses a recycled aggregate concrete with carbon absorption and carbon fixation capacity and a preparation method thereof, and comprises the following components in mass percentage: pretreated recycled coarse aggregate 1031-1244 parts, fine aggregate 708-854 parts, cement 168-212 parts, mineral powder 89-125 parts, composite micro powder 198-264 parts, water 132-158 parts, water reducing agent 7.7-10.4 parts and carbon fixation material 42-64 parts. The application can fill and close micropores on the recycled aggregate, further enhance the mechanical properties of the recycled aggregate, reduce the influence of the large water absorption of the recycled aggregate on the concrete mix design, mixing and later performance, utilize the carbon dioxide absorption capacity of nonylphenol polyoxyethylene ether and the porous characteristics of the recycled aggregate, and further improve the carbon dioxide absorption capacity in structure.

The invention relates to the technical field of cleaning agents, in particular to a cleaning agent for cloth mopping ash and a preparation method of the cleaning agent. The invention relates to a cleaning agent for cloth mopping ash. The cleaning agent comprises an active agent A and a scale inhibitor B, wherein the active agent A comprises iso-tridecanol polyoxyethylene ether, fatty alcohol polyoxyethylene ether sodium sulfate, nonylphenol polyoxyethylene ether, a chelating agent, water, a plant soap base, sodium hydroxide and citric acid; wherein the scale inhibitor B comprises 1-hydroxyethylidene-1, 1-diphosphonic acid, a bleaching agent, sodium polyacrylate, water, iso-tridecanol polyoxyethylene ether and a plant soap base. The method solves the problems of limited stain decomposition capability and insufficient sterilization and bacteriostasis effects.

The application discloses a kind of electroplating copper solution for ceramic packaging substrate and its use method, it is related to circuit board electroplating technical field.The electroplating copper solution for ceramic packaging substrate includes the following mass concentration components: sulfuric acid 100-200g / L, copper sulfate pentahydrate 100-200g / L, chloride ion 50-80mg / L, accelerator 10-25mg / L, inhibitor 200-2000mg / L and leveling agent 10-20mg / L;The accelerator is 3-sulfur-isothiuron propyl sulfonate sodium compound.The application provides a kind of electroplating copper solution for ceramic packaging substrate and its use method, 3-sulfur-isothiuron propyl sulfonate sodium compound in electroplating copper solution can maintain better accelerator function when large current density electroplating, anode exists oxygen evolution case, octylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether can be uniformly dispersed power line in relatively high temperature solution when large current density.

This invention discloses a method for purifying reducing agent coal used in industrial silicon production, belonging to the field of chemical raw material purification technology. The invention provides a purifying agent that enters the interior of the reducing agent coal through the pores to carry out an iron removal reaction. Nonylphenol polyoxyethylene ether promotes the dissolution of oxalic acid in water and inhibits foam formation. Iron in reducing agent coal used in industrial silicon production mainly exists in two modes: Fe2O3 accounts for 40%-50%, and FeS accounts for 50%-60%. Since Fe2O3 can react with oxalic acid (H2C2O4) to form a precipitate that is insoluble in water, washing with water after soaking achieves the purpose of iron removal. The method of purifying reducing agent coal used in industrial silicon production using a purifying agent can significantly remove trace impurities such as Fe, Al, and Ca that affect the quality of industrial silicon products.

The invention discloses a method for analyzing and determining 4-nonylphenol, bisphenol A and pentachlorophenol in water, which comprises the following steps of: eluting impurities in a solid-phase extraction column by using a reagent, adding a water sample into the solid-phase extraction column, leaving a compound to be detected in a filler of the solid-phase extraction column, discarding water, eluting the compound to be detected in the filler by using an organic reagent, and detecting the content of 4-nonylphenol, bisphenol A and pentachlorophenol in the solid-phase extraction column. The method comprises the following steps of: adding 4-nonylphenol and bisphenol A into an organic solvent, concentrating, separating through liquid chromatography, detecting pentachlorophenol through an ultraviolet detector, detecting 4-nonylphenol and bisphenol A through a fluorescence detector, and determining nature and quantifying peak area through retention time of an ultraviolet spectrogram and a fluorescence spectrogram. The method overcomes the defect that three traditional compounds need to be independently analyzed and determined, is simple and convenient to operate and easy to implement, does not need expensive materials, can be used for obtaining reagent consumables in situ, saves the manpower and material resource cost, and improves the efficiency of analysis and determination operation.

The invention discloses a copper electroplating solution for a ceramic packaging substrate and a use method of the copper electroplating solution, and relates to the technical field of circuit board electroplating. The electrocoppering solution for the ceramic packaging substrate comprises the following components in mass concentration: 100 to 200 g / L of sulfuric acid, 100 to 200 g / L of copper sulfate pentahydrate, 50 to 80 mg / L of chloride ions, 10 to 25 mg / L of an accelerator, 200 to 2000 mg / L of an inhibitor and 10 to 20 mg / L of a leveling agent, and the accelerator is a 3-sulfur-isothiourea sodium propanesulfonate compound. According to the electro-coppering solution for the ceramic packaging substrate and the using method of the electro-coppering solution, the 3-sulfur-isothiourea sodium propanesulfonate compound in the electro-coppering solution can still keep a good accelerator function under the condition that an anode has oxygen evolution during high-current-density electroplating; the octylphenol polyoxyethylene ether and the nonylphenol polyoxyethylene ether can be uniformly dispersed on a power line in a solution at a relatively high temperature when the current density is large.

The application discloses a modified impact-resistant ACR for polyvinyl chloride and a preparation method thereof, and relates to the field of impact-resistant modifiers. The raw material composition of the modified impact-resistant ACR comprises methyl methacrylate, butyl acrylate, isooctyl acrylate, glycidyl methacrylate, acrylamide, divinylbenzene, maleic anhydride grafted butyl nitrile rubber, methacrylic acid, an initiator, an emulsifier and a catalyst. The maleic anhydride grafted butyl nitrile rubber is obtained by graft polymerization of maleic anhydride and butyl nitrile rubber; and the emulsifier is obtained by mixing sodium dodecyl sulfate and nonylphenol polyoxyethylene ether. The preparation method of the modified impact-resistant ACR comprises the steps of preparing the maleic anhydride grafted butyl nitrile rubber, preparing a pre-emulsion, emulsion polymerization and obtaining the modified impact-resistant ACR. The modified impact-resistant ACR prepared by the application can effectively enhance the low-temperature notched impact strength and the ultraviolet aging resistance of the polyvinyl chloride.

The present application provides a kind of cleaning agent, the cleaning agent contains surfactant, glue remover and water;Wherein, the surfactant is sodium hexadecyl sulfonate and nonylphenol polyoxyethylene ether, the glue remover is D-limonene;The content of sodium hexadecyl sulfonate in the cleaning agent is 2.0-20.0wt%, such as 3-16wt% or 5-10wt%, the content of nonylphenol polyoxyethylene ether is 4-20wt%, such as 5-10wt% or 15-20wt%, the content of D-limonene is 1-25wt%, such as 10-20wt% or 5-15wt%, based on the total weight of cleaning agent.The cleaning agent of the present application is suitable for a variety of material surfaces, can replace terminal counter for metal special cleaning agent, glass special cleaning agent, rubber special cleaning agent and a variety of cleaning agents, only need to be sprayed simply, can quickly remove a variety of stubborn stains.