81 results about "Alkyl phenols" patented technology

The invention relates to the field of fire-resistant oil, in particular to phosphate-based fire-resistant oil with synergistically optimized flame resistance and stability and a preparation method of the phosphate-based fire-resistant oil. The fire-resistant oil comprises base oil and an additive, the base oil is a mixture obtained by esterification of mixed alkylphenol and phosphorus oxychloride; the molar percentage of the mixed alkylphenol is as follows: 4-6% of phenol; 11 to 14 percent of p-methylphenol; 22 to 26 percent of 2, 5-position dimethyl phenol; 0.8 to 1.5 percent of 2, 4-position dimethyl phenol; 2.5 to 4 percent of 2, 3-position dimethyl phenol; 0.4 to 0.6 percent of 4-ethyl phenol; 40 to 48 percent of 3, 5-position dimethyl phenol; 8 to 11% of 3-ethyl phenol; 3 to 5 percent of 3, 4-position dimethyl phenol; the additives comprise an antioxidant, a corrosion inhibitor, an anti-foaming agent and an anti-hydrolysis agent; the addition amount of the antioxidant is 0.05-5% of the total mass of the base oil; the addition amount of the corrosion inhibitor is 0.001%-0.08% of the total mass of the base oil; the addition amount of the anti-foaming agent is 0.001%-0.009% of the total mass of the base oil; the addition amount of the anti-hydrolysis agent is 0.001%-0.005% of the total mass of the base oil. The fire-resistant oil provided by the invention can be safely used under the working conditions of high temperature and extreme pressure.

The invention relates to the field of sealing materials, in particular to a butyl rubber sealing material and a preparation method thereof. Comprising the following components in parts by weight: 50-70 parts of butyl rubber, 30-50 parts of a brominated isobutylene-p-methylstyrene copolymer, 30-50 parts of carbon black, 8-12 parts of an alkyl phenolic resin vulcanizing agent, 3-5 parts of zinc oxide, 1-3 parts of stearic acid, 1-3 parts of an anti-aging agent and 5-10 parts of a plasticizer. The butyl rubber provides ideal air tightness and heat aging resistance, bromine atoms are introduced into the brominated isobutylene-p-methylstyrene copolymer, co-vulcanization with the butyl rubber is achieved, it is ensured that a uniform and stable co-crosslinking network can be formed between the two rubber molecules, and the service life of the rubber is prolonged. The alkyl phenolic resin vulcanizing agent can form a C-C bond with high bond energy with two rubber molecules, so that the thermal aging resistance of the butyl rubber sealing material is effectively improved, the compression set is reduced, and the butyl rubber sealing material with excellent performance is prepared.

The invention discloses a synthetic method of a lubricating oil detergent. The synthesis method is characterized by comprising the following steps: mixing sulfurized alkylphenate with a solvent to form a uniform mixture; a peroxide is added to the uniform mixture, and the addition amount of the peroxide is 0.005-0.20 parts by mass relative to 1 part by mass of the sulfurized alkylphenate; reacting for 3-8 hours at the temperature of 50-200 DEG C; and after the reaction is finished, filtering and distilling to remove the solvent to obtain the sulfurized alkylphenol salt with reduced content of free alkylphenol. The lubricating oil detergent obtained by the synthetic method of the lubricating oil detergent is low in free alkylphenol content, and the product performance is improved.

The application provides a hybrid vehicle engine lubricating oil composition and a preparation method thereof.The hybrid vehicle engine lubricating oil composition comprises the following components: (A) a benzotriazole derivative; (B) a composite antioxidant comprising an alkylated diphenylamine antioxidant and a sulfide phenolic antioxidant; (C) a polyisobutylene succinimide ashless dispersant; (D) a sulfonate and / or a sulfated alkyl phenate; (E) a zinc dialkyldithiophosphate; (F) a composite friction modifier comprising an oil-soluble organic molybdenum friction modifier and an ashless friction modifier; (G) a phosphite type extreme pressure antiwear agent; and (H) a major amount of a lubricating oil base oil; wherein the structure of the benzotriazole derivative is shown in formula (I): wherein the definitions of the groups are shown in the specification.The hybrid vehicle engine lubricating oil composition has excellent antioxidant performance, corrosion resistance and rust resistance, and good emulsion retention performance and wear resistance.

A compound having formula I that is useful for preparing an anabaenopeptin or derivatives thereof is provided:or a salt thereof and / or stereoisomers thereof and / or isotopic variations thereof, wherein: X1, X2, X3, and X4 are alkyl, aryl, hydroxyl, alkyl phenyl, alkyl phenol, and benzyl groups; and R1, R2, R3, R4, and R5 are H or C1-10 alkyl, wherein at least one of X1, X2, X3, and X4 is alkyl phenol, with the proviso that at least one of X1, X2, X3, and X4 are alkyl phenol.

The invention provides a cylinder oil composition suitable for a methanol fuel ship and a preparation method of the cylinder oil composition, and particularly relates to the technical field of lubricating oil. The cylinder oil composition suitable for the methanol fuel ship comprises the following components in percentage by mass: 5.0%-20% of a clearing agent, 1.0%-8.0% of an ashless dispersant, 0.5%-1.5% of a composite antioxidant, 0.5%-3% of an anti-wear agent, 0.01%-1% of a metal deactivator and the balance of base oil, the detergent is composed of high-base-number synthetic calcium sulfonate, low-base-number synthetic calcium sulfonate, high-base-number calcium boride sulfonate and high-base-number sulfurized calcium alkyl phenolate. According to the cylinder oil composition for the methanol fuel ship, the scheme of the purification dispersant is optimized, and a plurality of components such as the metal deactivator are introduced for combination, so that the obtained cylinder oil composition for the methanol fuel ship improves the wear resistance and the corrosion resistance of an oil product when the oil product is polluted by methanol and formic acid, and can meet the performance requirements when a marine two-stroke engine uses methanol fuel.

The invention provides an ardealite reverse flotation collecting agent and a preparation method and application thereof, and belongs to the field of phosphorus chemical solid waste treatment, the ardealite reverse flotation collecting agent comprises the following components by weight: 40-60 parts of alkyl ammonium bromide, 10-20 parts of alkylphenol polyoxyethylene ether, 10-20 parts of non-polar hydrocarbon oil, 10-15 parts of vinyl trimethoxy silane, and 10-20 parts of a polysaccharide agent. Through the reasonable proportion of the components, the separation effect of CaSO4. 2H2O, silicon dioxide, black organic carbon and other impurities is remarkably improved, the whiteness and purity of CaSO4. 2H2O are improved, the collecting agent has the advantages of being high in flotation efficiency, low in dosage, high in collecting capacity and the like, and meanwhile the collecting agent is simple and feasible in preparation method, low in cost and high in industrial application value.

The subject of the present invention is the use, for reducing the emissions of nitrogen oxides and at least one type of polluting agent chosen from carbon monoxide and unburned hydrocarbons during the combustion of a liquid fuel in a compression-ignition internal combustion engine, of an additive composition comprising: (i) one or more additives chosen from compounds having in their structure at least one alkyl-phenol group; and (ii) one or more cetane index-improving additives; in which the mass ratio of the quantity of additive(s) (i) to the quantity of additive(s) (ii) is in the range from 1:3 to 3:1.The present invention also relates to a method for reducing emissions of nitrogen oxides and at least one type of polluting agent chosen from carbon monoxide and unburned hydrocarbons during the combustion of a liquid fuel in a compression-ignition internal combustion engine, using this additive composition.

The invention discloses a method for synthesizing biphenol in a water phase, belongs to the technical field of fine chemical engineering, and aims to solve the explosion safety risk caused by the use of an organic solvent in the conventional alkylphenol oxidative coupling process. According to the method, a phase transfer catalysis system composed of boric acid, Tween-80, dodecylphenol polyoxyethylene ether and copper chloride is adopted, water serves as a solvent, oxygen or air is introduced at the temperature of 60-90 DEG C, alkyl phenol is subjected to an oxidative coupling reaction to generate alkyl biquinone, and then biphenol is prepared through hydrogenation reduction. The method thoroughly avoids the use of an organic solvent, eliminates the hidden danger of explosion from the source, and has the advantages of high intrinsic safety, environmental friendliness and low cost.

The application relates to a high-salt-resistant and shear-resistant double-network fracturing fluid thickening agent and a preparation method thereof, relates to the technical field of oilfield chemistry and fine chemistry, and comprises the following steps: crosslinking and polymerizing non-ionic monomers and a crosslinking agent under the action of an initiator to form a first network structure, and utilizing a flexible polymer filled in the first network structure to form a second network structure. The flexible polymer is alkyl phenol polyoxyethylene ether. The flexible chain in the alkyl phenol polyoxyethylene ether structure still retains the function of a "sacrificial bond", can absorb the damage of high shear and high temperature to the rigid network structure, and enables the system to still have good resistance performance under the condition of no metal crosslinking. Meanwhile, due to the existence of benzene rings in the alkyl phenol polyoxyethylene ether structure, the pi-pi stacking effect can be increased on the basis, the intermolecular force is strengthened, and the resistance of the double-network structure is further improved. The double-network fracturing fluid thickening agent is simple in preparation, excellent in performance and high in practical value.

Thermally conductive compositions may include an isocyanate component, an isocyanate-reactive component and one or more thermally conductive fillers present in one or more of the isocyanate component and the isocyanate-reactive component. The isocyanate component includes a blocked isocyanate prepolymer formed from a reaction of a first prepolymer, prepared from the reaction of one or more polyols comprising an amine-initiated polyol and a polyisocyanate, and an alkyl phenol. The isocyanate-reactive component includes one or more polyetheramine.

The application discloses a hydrogen fuel engine oil composite additive composition, which comprises 3.0-5.0% high-alkali-value magnesium sulfonate, 12.0-20.0% low-alkali-value calcium sulfonate, 3.0-4.0% high-alkali-value calcium sulfide alkyl phenol, 2.0-5.0% amine type antioxidant, 2.0-5.0% phenol type antioxidant, 2.0-5.0% alpha-naphthylamine, 1.5-3.0% dibutyl dithiocarbamic acid ester, 1.5-3.0% anti-wear agent, 0.2-0.5% fatty amide, and the rest is ashless dispersant. The application further discloses a hydrogen fuel engine oil composition, which comprises 14.4-15.5% composite additive composition, 7.0-9.0% tackifier, 0.2-0.5% pour point depressant, and the rest is base oil. The composite additive improves the demulsification performance of the hydrogen fuel engine oil under high-temperature and high-pressure conditions, and further improves the water separation property and other comprehensive use performances of the oil product.

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 invention provides lubricating grease and a preparation method thereof. The lubricating grease comprises an alkyl phosphonate compound, an antirust agent, a thickening agent and a main amount of lubricating base oil, and the preparation method of the alkyl phosphonate compound comprises the following steps: reacting alkyl phosphonate with alkyl alcohol and / or alkylphenol in the presence of an imine catalyst, and collecting the product. The lubricating grease provided by the invention has excellent extreme pressure property, wear resistance, mechanical stability and corrosion resistance, and is suitable for servo systems of various mechanical equipment.

The present application belongs to the field of activators, and particularly relates to an activator for improving the adhesion of yarn and rubber and the use thereof. The activator is composed of 38-68wt% component A: alkyl silane, 24.2-41.2wt% component B: fatty acid polyoxyethylene ester, 5.5-13wt% component C: triethylene glycol dimethyl ether and 0.6-4.7wt% component D: alkyl phenol polyoxyethylene ether. The activator of the present application can improve the adhesion of yarn and rubber.

The application discloses a kind of effectively prevent and control Gang Mei branch blight of nuisance pesticide and prevention and control method and application, specifically including the following components: methyl jasmonate 100-150mg / L, table 24-rape sprout lactone 0.01-0.5mg / L, 6-benzyl adenine 20-50mg / L, triacontanol 0.5-1mg / L, chitosan 300-600mg / L, organic silicon 100-400mg / L, phenylalanine 5-50mg / L, mannitol 5-30mg / L, betaine 50-300mg / L, 2 hydrated calcium chloride 150mg / L, eugenol 250mg / L, isopropenyl-5-chlorobenzimidazolone 0.02-0.05mg / L, alkyl phenol formaldehyde resin polyvinyl ether 800-1000mg / L, ethanol 10000-30000mg / L.The application is compounded by plant growth regulator, inorganic matter, amino acid and other components, induces Gang Mei planting seedling, so that it systematically obtains resistance, enhances defense, inhibits Gang Mei branch blight, stabilizes cell membrane and improves the ability of anti-abiotic adversity, and also helps to improve the content of Gang Mei medicinal component secondary metabolite.The pesticide prepared by the application does not contain pesticide chemical component, is safe, non-polluting, simple in use method, and can effectively prevent and control Gang Mei branch blight, improve Gang Mei yield, quality and medicinal value.

The invention provides natural gas engine oil and a composite additive composition thereof, and the composite additive composition comprises: a detergent comprising magnesium sulfonate, calcium sulfonate and sulfurized calcium alkyl phenolate; the antioxidant comprises an amine type antioxidant and a phenol type antioxidant; the anti-wear agent is prepared from carbamic acid ester, phosphoric acid lauryl amine salt and tricresyl ester; a dispersant; the base number of the magnesium sulfonate is 395 to 420 mgKOH / g, the base number of the calcium sulfonate is 20 to 35 mgKOH / g, and the base number of the sulfurized calcium alkyl phenolate is 130 to 160 mgKOH / g. According to the natural gas engine oil, the sulfate ash content of the natural gas engine oil can be reduced, and the natural gas engine oil has relatively good oxidation resistance, detergency, dispersity, wear resistance and the like.

The application discloses a transfer adhesive composition for aluminum layer transfer and a preparation process, relates to the field of adhesives, and comprises the following steps: dispersing 200-500 parts of acrylic modified water-based epoxy resin and OP-10 (alkyl phenol polyoxyethylene ether) for the first time at 10-30 DEG C, then adding 100-500 parts of imidazole blocked water-based polyurethane dispersion and a defoaming agent for the second time for dispersion; and finally adding an auxiliary agent, and obtaining a finished product after uniform dispersion. The application controls the dispersion process and pre-treats the imidazole blocked water-based polyurethane dispersion, and the imidazole blocked water-based polyurethane dispersion does not separate for 12 months at 40 DEG C, so that the stability of the adhesive is greatly improved, the adhesive has excellent properties such as high bonding force, folding resistance and high gloss, the transfer pattern has improved tensile resistance, and the adhesive has anti-glare ability.

The application discloses a modification method of mesoporous SiO2 material. The specific steps are as follows: the terminal hydroxyl group of alkyl phenol polyoxyethylene ether is oxidized into a carboxyl group by KMnO4, and then the carboxyl group is chlorinated into an acyl chloride by SOCl2; the surface hydroxyl group of the mesoporous SiO2 material is hydrophobically modified by using gamma-aminopropyl triethoxysilane to obtain an amino structure at the gamma position; an amide bond is constructed, and oil-water amphiphilic modification is completed. The alkyl phenol polyoxyethylene ether is octyl phenol polyoxyethylene ether, nonyl phenol polyoxyethylene ether or dodecyl polyoxyethylene ether, and the polymerization degree of the polyoxyethylene chain is 8-20. The modification method is suitable for nano fumed silica, monodisperse mesoporous SiO2 microspheres, mesoporous SiO2 molecular sieves and the like. Compared with unmodified or conventionally hydrophobically modified mesoporous SiO2 materials, the mesoporous SiO2 material modified according to the above method has hydrophilicity and lipophilicity, and can be well dispersed in water and organic solvents; when used as a drug carrier material, the mesoporous SiO2 material can simultaneously realize the loading and effective release of water-soluble and fat-soluble drugs.

The invention provides a novel lubricating oil detergent, a preparation method thereof and a lubricating oil composition. The preparation method comprises the following steps: mixing alkylphenol, base oil, a vulcanizing agent and a first part of calcium source, adding a first part of accelerant, and carrying out vulcanization reaction; then adding cyclic anhydride to carry out esterification reaction; and adding a second part of accelerant and a second part of calcium source, then carrying out carbonation reaction, and purifying the product after the reaction is finished to obtain the novel lubricating oil detergent. Wherein the cyclic anhydride is selected from one or a combination of more than two of maleic anhydride, succinic anhydride, adipic anhydride and phthalic anhydride; the addition amount of the cyclic anhydride is 0.01-0.25 part by weight based on 1 part by weight of alkylphenol. The cyclic anhydride participates in the reaction, so that the content of free phenol in the product can be reduced, and the wear resistance of the product can be improved. The novel lubricating oil detergent provided by the invention has no free phenol residue, and has more excellent detergency, oxidation resistance, wear resistance and the like.

The application relates to a hindered phenolic antioxidant and a preparation method and application thereof, which comprises the following steps: obtaining a raw material mixed solution by drying alkyl phenol and cycloalkadiene, adding a catalyst to obtain a preliminary polymerization product, further carrying out alkylation reaction with isobutene, and obtaining a final product after alkali washing, decoloring and gas stripping of the reaction product. The antioxidant prepared by the application has high activity, long heat-resistant stable time, uniform molecular weight distribution and light color, can be widely applied to ABS glue, tires, plastics and other fields, and has a good application prospect.

The present application relates to the field of petroleum chemical industry, discloses a composition for treating iron sulfide and application thereof and a method for treating emulsified crude oil containing iron sulfide solid particles.The composition contains the following components which are independently stored or mixedly stored: a demulsifier, a bio-based wetting agent; wherein the demulsifier is a polyether imidazoline compound; the bio-based wetting agent is a sophorolipid ether; the content mass ratio of the demulsifier to the bio-based wetting agent is 1:0.5-5; and the polyether imidazoline compound is an alkyl phenol formaldehyde resin polyether imidazoline.The composition can effectively remove the iron sulfide solid particles in the emulsified crude oil, and the bio-based wetting agent has better biodegradability.

The present application relates to the technical field of rubber sealing material, in particular to a low-oil high-adhesion ultra-thin EPDM butt joint rubber sheet and a preparation method thereof.The low-oil high-adhesion ultra-thin EPDM butt joint rubber sheet is prepared from the following raw materials in parts by mass: 67-73 parts of low-Mooney-viscosity EPDM, 57-63 parts of high-Mooney-viscosity EPDM, 77-83 parts of carbon black, 10-20 parts of paraffin oil, 4-6 parts of active zinc oxide, 0.4-0.6 parts of stearic acid, 0.8-1.2 parts of flow aid, 4-6 parts of alkyl phenolic tackifying resin, 18-22 parts of thermoplastic elastomer alloy, 0.8-1.2 parts of vulcanizing agent, 3.5-4.5 parts of accelerator, 0.1-0.3 parts of scorch retarder, and 5-7 parts of calcium oxide.The low-oil high-adhesion ultra-thin EPDM butt joint rubber sheet provided by the present application has a joint bonding force of more than 500 N when the thickness is 0.2-0.3 mm, and realizes both ultra-thin molding and high bonding force.

The application discloses a polycarbonate composition and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polycarbonate composition has good resistance to gamma-ray irradiation, and is prepared from alkyl phenol-terminated polycarbonate with good resistance to gamma-ray irradiation as a base resin and polyphenylsulfone with good resistance to irradiation, and has better resistance to gamma-ray irradiation, and also has good mechanical properties, and is suitable for preparing medical devices.

The disclosure relates to an efficient process for the production of a furan derivative from C5 and / or C6 sugars. The process utilizes a water immiscible organic solvent system comprising at least one alkyl phenol and at least one alkylated naphthalene.

The invention discloses a titanium alloy ultrafine wire drawing lubricant and a preparation method thereof, and relates to the technical field of lubricants. The lubricating oil is prepared from the following raw materials in parts by weight: 8 to 12 parts of pentaerythritol ester, 3 to 5 parts of sulfurized fatty acid ester, 3 to 5 parts of phosphate amine salt, 4 to 6 parts of polyoxyethylene alkylphenol ether, 1 to 3 parts of benzotriazole derivative, 0.1 to 0.3 part of organic silicon defoaming agent, 0.2 to 0.4 part of isothiazolinone preservative, 0.8 to 1.2 parts of abrasive dust passivation dispersant, 0.8 to 1.2 parts of polytetrafluoroethylene powder and the balance of deionized water. By introducing the abrasive dust passivation dispersing agent and utilizing a preemptive adsorption mechanism, the problems of heterogeneous agglomeration and sedimentation failure of the solid lubricant caused by abrasive dust are solved, and the cycling stability of a lubricating system is remarkably improved. And by compounding the synergistic anchoring agent, the high-temperature stability of the passivation layer is improved, so that the passivation layer is suitable for ultra-high-speed drawing. According to the self-adaptive homogenizing preparation process, the batch consistency of industrial large-scale production is ensured through closed-loop control.

The application belongs to the field of fine chemicals, and particularly relates to a method for synthesizing hexa-long-chain alkyl polyoxyethylene ether cyclotriphosphazene without solvent. In a reaction container, alkyl (phenol) polyoxyethylene ether and hexachlorocyclotriphosphazene are used as raw materials to obtain hexa-long-chain alkyl polyoxyethylene ether cyclotriphosphazene under the condition of no solvent. The synthesis method is simple and convenient, and does not need to use organic solvent and acid binding agent, and does not need processes such as filtering and distilling. Moreover, the raw material conversion rate is high, and high-quality by-product hydrochloride can be obtained. The prepared hexa-long-chain alkyl polyoxyethylene ether cyclotriphosphazene has higher surface activity, lower critical micelle concentration, rich phosphorus and nitrogen elements, and better flame retardant effect, and can be used as an additive of fine chemicals such as emulsifier, dispersant, extinguishing agent and flame retardant.

The application discloses a tire tread rubber composition and a preparation method thereof, and belongs to the technical field of tires. The tire tread rubber composition comprises the following raw material components in parts by weight: 45-60 parts of first rubber, 55-75 parts of second rubber, 25-35 parts of carbon black, 8-12 parts of modified alkyl phenolic resin, 5-8 parts of adhesive RA, 3-5 parts of antioxidant, 1-3 parts of vulcanizing agent, and 0.5-2 parts of accelerator; the first rubber is natural rubber SPR10 or natural rubber SVR3L; the second rubber is one or two of solution polymerized styrene butadiene rubber, isoprene rubber and brominated butyl rubber; and the weight ratio of the first rubber to the second rubber is (0.8-1):1. The tire tread rubber composition and the preparation method thereof introduce the modified alkyl phenolic resin into the rubber composition, enhance the adhesion between the rubber and the steel wire cord, avoid the occurrence of the blooming phenomenon, and improve the tire durability.

Provided are a liquid ejecting head having a cured product of an adhesive and a two-liquid hybrid adhesive, the adhesive having a small environmental burden and having fast curability and acid resistance. A liquid ejecting head that ejects a liquid from a nozzle, the liquid ejecting head including a first member, a second member, and a cured product of a two-liquid hybrid adhesive that bonds the first member and the second member, the two-liquid hybrid adhesive including: a liquid A including a main agent including an epoxy resin that does not include bisphenol; the liquid B comprises at least one of 2, 5-bis (aminomethyl) bicyclo [2.2. 1] heptane and 2, 6-bis (aminomethyl) bicyclo [2.2. 1] heptane, and alkylphenol; and a polymer of an aromatic amine, the polymer of the aromatic amine being contained in the A solution or the B solution, the alkylphenol being: (a) an alkylphenol having at least one ethyl group; or (b) an alkylphenol in which the alkyl group has 1-3 carbon atoms and at least one methyl group and at least one isopropyl group.

The application relates to a compound collector and application thereof in zinc oxide ore flotation, and belongs to the technical field of mineral processing. The compound collector is composed of mixed amine, mixed alcohol, hydrocarbon oil and emulsifier, the mixed amine includes laurylamine and N-dodecyl ethanolamine, the mixed alcohol includes glycerol and n-octanol, the hydrocarbon oil includes kerosene and diesel, and the emulsifier includes sodium dodecyl sulfonate, sodium dodecyl benzene sulfonate and dodecyl phenol polyoxyethylene ether; the zinc oxide ore flotation process includes twice roughing, once scavenging, twice cleaning and once cleaning scavenging, the middlings are not returned to the roughing and cleaning operations, the ore is subjected to crushing, grinding, reagent adding and pulp conditioning, and then is subjected to flotation to obtain zinc concentrate and flotation tailings. The compound collector has high selectivity, high collecting capacity, small flotation foam amount, good fluidity, stable process flow, can avoid the influence of slime on the roughing and cleaning indexes, improves the stability and viscosity of the foam layer, and improves the flotation recovery indexes of the zinc oxide ore.