129 results about "Dibutyl phosphate" patented technology

The invention discloses antibacterial and mothproof silk composite fibers. The antibacterial and mothproof silk composite fibers are characterized by comprising the following materials in parts by weight: 17-20 parts of mulberry silk, 10-13 parts of tencel, 12-15 parts of chicken feather down fibers, 4-7 parts of acrylic fibers, 6-9 parts of aloe fiber, 7-10 parts of kawo kawo fiber, 1.2-3.2 parts of chitin fibers, 2-3 parts of epoxidized soybean oil, 0.3-0.5 part of calcium carbonate, 0.1-0.3 part of sodium sec-alkyl sulfonate, 1-3 parts of mica powder, 100-110 parts of 1-butyl-3-methylimidazole dibutyl phosphate, 120-125 parts of 1-ethyl-3-methylimidazole diethyl phosphate, 1.2-3.2 parts of folium cortex eucommiae, 1-3 parts of rhizoma corydalis, 2-4 parts of radix rubiae, 2-5 parts of additives and a proper amount of water. Due to addition of the multiple plant fibers and Chinese herbal medicines, the silk composite fibers have good antibacterial, mothproof, breathable, moisture-absorbing and heat-preserving functions, and the prepared silk composite fibers are also high in elasticity, strength and washing durability.

Provided is a environmentally friendly cutting fluid containing graphene. The cutting fluid is prepared from the following raw materials, by weight, 2-3 parts of graphene, 1-2 parts of silane coupling agent KH-550, 3-4 parts of vinyl acetate, 4-5 parts of dibutyl phosphate, 10-12 parts of drainage oil, 13-15 parts of propylene glycol, 2-3 parts of zirconium fluoride, 3-4 parts of ricinoleic acid, 1-2 parts of polyoxyethylene octylphenol ether, 1-2 parts of sodium butylnaphthalenesulfonate, 6-8 parts of auxiliary agents and 200 parts of water. Through application of graphene and zirconium fluoride, the lubricating property and abrasion resistance of the cutting fluid are enhanced greatly, and the service life of the cutting fluid is prolonged. Through application of drainage oil, the lubricating property is raised, and the cutting fluid is beneficial for environmental protection. Through application of surfactants, high-molecular monomers, solvents and coupling agents, the cutting fluid is advantaged by stable emulsification and no sedimentation.

Disclosed moisture-absorbing air-permeable silk composite fiber is characterized by being prepared from the following raw materials in parts by weight: 16-19 parts of silk, 13-15 parts of camel hair, 7-9 parts of coral fleece, 10-12 parts of ramie fiber, 8-11 parts of PTT short fiber, 5-7 parts of soybean fiber, 2.3-4.7 parts of milk protein fiber, 0.4-0.8 parts of tea polyphenol, 1.2-3.2 parts of plastic starch, 0.3-0.6 parts of sodium pyrophosphate, 1.2-2.4 parts of cocounut oil essence, 100-110 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 110-120 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 1-2 parts of frankincense, 0.5-0.9 parts of sediment of human urine, 0.6-0.8 part of flos lonicerae, 2-4 parts of an auxiliary agent, and proper amount of water. By adding ramie fiber, the silk composite fiber has functions of resisting bacteria, inhibiting bacteria, eliminating and adsorbing odor, absorbing moisture and breathing, and the like, and by adding tea polyphenol, the improved silk composite fiber also has effects of resisting radiation, being smooth and light, keeping warm and resisting static electricity.

The invention discloses a mothproof down feather composite fiber. The mothproof down feather composite fiber is characterized by being prepared from the following raw materials in parts by weight: 16-18 parts of duck's down, 15-19 parts of chicken feather, 11-13 parts of mercerized wool fibers, 12-14 parts of mercerization cotton fibers, 4-7 parts of copper ammonia fibers, 15-19 parts of straw stalk, 4-6 parts of closed cell perlite powder, 1-3 parts of angelica sinensis, 2-4 parts of gastrodia elata, 2-3 parts of ligusticum wallichii, 0.2-0.4 part of zinc gluconate, 0.3-0.6 part of aluminium silicate, 100-105 parts of 1-butyl-3-methyl imidazole acetate, 110-115 parts of 1-butyl-3-methyl imidazole dibutyl phosphate, 2-4 parts of additives and a proper amount of water. The down feather composite fiber prepared by the invention has the advantages of sterilization, moth prevention, light weight, high intensity, thermal preservation, flame retardance and the like.

The invention discloses waterborne cutting liquid suitable for various metals. The cutting liquid is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of erucic acid, 5-7 parts of white oil, 4-6 parts of dodecyl dimethyl betaine, 2-3 parts of magnesium stearate, 3-4 parts of polyethylene glycol, 2-3 parts of sodium alginate, 0.7-1.5 parts of paraphthaloyl chloride, 4-6 parts of dibutyl phosphate, 5-7 parts of an assistant and 200 parts of de-ionized water. The cutting liquid has good wear resistance, dispersity, lubricity and film-forming property due to the addition of the assistant; a layer of protection film can be formed on the metal surface to prevent the metal surface from being corroded by air; a surfactant used in the lubricating cutting liquid has excellent lubricating, cleaning and anti-rust performances; after processing, the surface smoothness of a workpiece is improved and the wear of a cutter is reduced; the cutting liquid is suitable for processing the various metals.

The invention relates to an energy-saving environmental-friendly curing agent for diesel oil. The energy-saving environmental-friendly curing agent comprises following effective raw materials, by weight: 3 to 8 portions of ethylhexylnitrate, 1 to 4 portions of dibutyl phosphate, 5 to 13 portions of ethyl lactate, 5 to 13 portions of ethyl acetate, 25 to 45 portions of dimethyl carbonate, 25 to 45 portions of a purification dispersant and 2 to 6 portions of dimethyl oxalate. The energy-saving environmental-friendly curing agent is capable of improving combustion conditions of fuel oil, increasing the power of engines, reducing diesel oil consumption and harmful gas emission load. The fuel oil containing the curing agent is capable of lubricating parts which can contact with the fuel oil in the engines, and lubricating gaps which can be permeated with the fuel oil; a thin protection film is formed; the protection film is capable of preventing rust, resisting abrasion, and reducing noise, so that the inner parts of the engines are protected, service life of the engines is prolonged. In addition the preparation technology of the curing agent is simple; the intermiscibility of the curing agent and diesel oil is excellent; and the curing agent is simple and convenient to use, and is safe and stable.

The invention discloses a process for separating an acetonitrile-water azeotrope system by adopting ionic liquid extraction distillation. According to the process, an ionic liquid azeotropic agent is adopted, so that the relative volatility of acetonitrile in the acetonitrile-water system can be enhanced, the solvent ratio can be reduced, and the concentration of acetonitrile in a vapor phase is increased along with the increment of the mass percent of ionic liquid; ionic liquid cations are imidazolium cations or pyridine cations, and ionic liquid anions are halogen anions, acetic acid anions, bistrifluoromethylsulfimide anions, hexafluorophosphoric acid anions, dibutyl phosphate anions or trifluoromethanesulfonic acid anions. When the mass percent of the ionic liquid is 15%-60%, an acetonitrile-water azeotropy point can be disappeared. When the mass ratio of the ionic liquid to acetonitrile-water binary azeotrope is 1 : 4, the extraction distillation can be well carried out to obtain more than 99% of acetonitrile, and the ionic liquid is environment-friendly and recyclable.

The invention discloses an aqueous cutting fluid, which is prepared from the following raw materials in parts by weight: 10-12 parts of polyethylene glycol, 2-3 parts of triethanolamine, 6-9 parts of dibutyl phosphate, 19-22 parts of castor oil, 1-2 parts of calcium sulfide alkylphenol, 1-2 parts of sorbic monostearate, 6-8 parts of assistant and 200 parts of water. The aqueous cutting fluid disclosed by the invention has excellent viscosity-temperature performance, lubricity, extreme pressure property and biodegradability, fast cooling speed, and good corrosion inhibition property, is long in service cycle in comparison with the traditional cutting fluid, small in abrasion on a tool, and high in yield, and has good protection roles on nonferrous metals and black metal, and the processed work-piece is bright.

The invention relates to a simulated low-emission organic waste liquid pyrolysis incineration suspending liquid formula and a preparation method thereof and relates to the field of low-emission waste liquid treatment. The formula comprises a component A, a component B and a component C, wherein the component A is simulated low-emission organic waste liquid and comprises, according to volume ratio, 20-30% of tributyl phosphate, 70-78% of aviation hydrogenated kerosene and 0-2% of dibutyl phosphate; the component B is calcium hydroxide suspending liquid and comprises, according to mass ratio, 25-30% of phosphorus fixation agent calcium hydroxide, 32-40% of active agent and 30-40% of deionized water; and the component C is an additive which is analytical pure magnesium carbonate. According to the formula, the shortcomings in the prior art are overcome, the suspending liquid prepared according to the formula is good in stability, small in precipitation capacity, low in viscosity and easy to convey; the active agent and the phosphorus fixation agent in the formula are domestic, and the barrier problem of introducing a foreign technology is solved.

The invention discloses novel extreme-pressure (EP) gear oil, which comprises the following components in parts by weight: 30 to 45 parts of 100# mechanical oil, 40 to 50 parts of 38# cylinder oil, 0.1 to 1.0 part of BHT (butylated hydroxytoluene) antioxidant, 0.1 to 0.7 part of dibutyl phosphate, 1.0 to 2.0 parts of sulfur-phosphorous butyl octanol zinc salt, 0.2 to 0.8 part of alkenyl dibutyric acid, 0.2 to 0.9 part of demulsifying agent, 1.5 to 3.5 parts of dibenzyl disulphide, 10*10 to 6 parts of methyl silicone oil and 0.5 to 1.0 part of alkyl naphthalene. The EP gear oil has the advantages of the energy-conservation effect superior to the conventional product can be reached by fully reducing the friction; the EP gear oil has no toxin or harm to a human body and can reach the safety and environment protection requirements at high standards; the EP gear oil has good thermal oxidative stability and excellent rust protection and corrosion protection action; the service life of gears can be effectively prolonged; strong load or large load impact can be stood; the abrasion or the sintering of the gears can be prevented; and the EP gear oil is used for various industrial equipment working under the severe conditions of the heavy load or the impact load and high temperature.

The invention discloses a methanol gasoline. The methanol gasoline comprises the following elements in percentage by weight: 50-70% of gasoline, 10-30% of methanol and 12-25% of additive, wherein the additive comprises the following elements in percentage by weight: 15-30% of dimethoxymethane, 4-20% of ethyl acetate, 5-10% of 200# solvent oil, 15-30% of isopropyl alcohol, 3-15% of fatty acid methyl ester, 5-15% of dimethylbenzene, 0.02-0.04% of ferrocene, 1-5% of dibutyl phosphate, and 0.2-0.6% of caster oil. The methanol gasoline disclosed by the invention is not layered and emulsified when being naturally arranged, can still keep stable at low temperature of below 40 DEG C, and has excellent corrosion resistance and ultrastrong waterproof performance.

The invention belongs to the technical field of preparation and application of biocompatibility carrier materials and specifically discloses a preparation method and application of a modified hydroxyapatite microcapsule biological material carrier. The preparation method of the modified hydroxyapatite microcapsule biological material carrier comprises the following steps: adding hydroxyapatite nano-particles and dibutyl phosphate in acetone, modifying the surfaces of the nano-particles by using n-butyl, simultaneously generating hydroxyl groups and n-butyl groups on the surfaces of the nano-particles so as to obtain nano-particles with hydrophilcity/hydrophobicity and the modified surfaces; adding the nano-particles in a water phase or an oil phase, then adding the oil phase or the water phase to be used as a core material, violently shaking and carrying out self-assembling to obtain the microcapsule material which takes the nano-particles with modified surfaces as membrane materials and has water/oil interface stability. The microcapsule material has a relatively large loading rate, the function of isolating effective components and has the specific release capability and the like; by dissolving single water-soluble or fat-soluble biological material in the core material, the microcapsule carrier material can be conveniently taken as an efficient carrier of the biological material for practical application.

Disclosed long-acting slow-release fragrant silk composite fiber is characterized by being prepared from the following raw materials in parts by weight: 16-23 parts of silk, 5-8 parts of white eider, 8-10 parts of acrylic fiber, 4-7 parts of basalt fiber, 6-8 parts of pearl fiber, 9-12 parts of kendir fiber, 7-9 parts of aloe viscose fiber, 1.2-2.5 parts of matricaria chamomilla extraction liquid, 1.1-2.3 parts of lemon juice, 0.4-0.7 parts of zinc acetate, 1-2 parts of talcum powder, 0.7-0.9 parts of stearic acid, 100-110 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 105-110 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 2-4 parts of wild chrysanthemum flower, 1-3 parts of scutellaria baicalensis, 3-5 parts of an auxiliary agent, and proper amount of water. The original taste of conventional silk is changed, and the prepared silk composite fiber has the characteristics of durable refreshing fragrance, resistance to worm damaging, good handfeel, high elasticity and the like, gives people refreshing feeling and does not generate yellowing phenomenon.

The invention discloses down feather composite fibers with a jasmine fragrance, and is characterized in that the down feather composite fibers comprise the following raw materials in parts by weight: 13-16 parts of goose down, 16-21 parts of ox hair, 8-10 parts of glass fibers, 5-8 parts of polynosic, 3-6 parts of conductive fibers, 3-6 parts of jasmine, 1-3 parts of fructus toosendan, 2-4 parts of radix paeoniae rubra, 6-9 parts of mineral wool fibers, 18-22 parts of tobacco straws, 1.2-3.1 parts of triethyl acetyl citrate, 2.1-3.2 parts of propyl acetate, 0.2-0.5 parts of triethyl citrate, 0.6-1.4 parts of a nano pearl powder, 100-110 parts of 1-butyl-3-methylimidazolium acetate, 110-130 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 3-5 parts of an auxiliary agent, and a proper amount of water. With addition of jasmine, fructus toosendan, radix paeoniae rubra and other components, the down feather composite fibers not only have the jasmine fragrance, but also can effectively remove dirt on the feather composite fibers, and have better conditioning and nursing effects on down feather; and the prepared down feather composite fibers have the advantages of static electricity resistance, large elasticity, good filling power, bacteria resistance, bacteriostasis, wash durability and the like.

Disclosed silk composite fiber with the anticancer function is characterized by being prepared from the following raw materials in parts by weight: 17-21 parts of tussah silk, 10-13 parts of waste eider down, 7-9 parts of cashmere fiber, 11-13 parts of rose fiber, 8-10 parts of alga fiber, 5-8 parts of taxus chinensis fiber, 4-7 parts of far-infrared ceramic fiber, 5.3-6.8 parts of nylon yarn fiber, 20-30 parts of rice washing water, 2-4 parts of dimethyl siloxane, 0.2-0.4 part of soda ash, 3-5 parts of acetyl tributyl citrate, 1.2-3.5 parts of kaolin, 95-105 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 100-120 parts of 1-ethyl-3-methylimidazolium diethylphosphate, and 3-6 parts of an auxiliary agent. By adding taxus chinensis fiber, once the inside-contained paclitaxel smell forms microcirculation in human body capillary micropores, cancer cell division is effectively inhibiting and cance cell propagation is prevented. Additionally, a plurality of other beneficial compositions are added, and the prepared silk composite fiber is rich in elasticity, bulkiness and flexibility, and the added Chinese herbal medicines are pleasant in smell, are capable of promoting sleep and are free of toxic and side effects.

The invention discloses silk composite fibers applicable to allergic constitution. The silk composite fibers are characterized by comprising the following materials in parts by weight: 15-20 parts of mulberry silk, 12-14 parts of down feather, 9-11 parts of camel wool, 5-8 parts of aloe fiber, 7-9 parts of banana stem fiber, 6-8 parts of Lycra fibers, 5.6-7.8 parts of coconut-carbon fibers, 1.2-3.1 parts of fatty acid methyl ester ethoxylate, 0.6-1.2 parts of cinnamomum camphora essential oil, 0.8-1.4 parts of calcium alginate, 100-110 parts of 1-butyl-3-methylimidazole dibutyl phosphate, 110-120 parts of 1-ethyl-3-methylimidazole diethyl phosphate, 2-4 parts of liquorice, 1-3 parts of bitter almond kernel, 0.5-0.8 part of sophora alopecuroides, 2-3 parts of folium artemisiae argyi, 3-5 parts of additives and a proper amount of water. Due to addition of the coconut-carbon fibers, the silk composite fibers contain coconut-carbon particles and achieve health effects of activating cells, purifying blood, eliminating fatigue, changing allergic constitution and the like to a human body, and simultaneously, due to addition of other plant fibers, Chinese herbal medicines and other animal protein fibers, the prepared silk composite fibers have health functions of adsorbing odor, resisting moisture, removing odor, resisting ultraviolet rays and the like.

The invention relates to the technical field of determination of contaminants in plasma, particularly to a method for determining the contents of phosphodiester metabolites of organophosphorus esters(OPEs) in the plasma. The method is characterized in that the high-performance liquid chromatography-ion trap-triple quadrupole mass spectrometry technology is combined with liquid-liquid extraction and extraction through a self-made solid-phase column for detection of the contents of diethyl phosphate, dibutyl phosphate and diphenyl phosphate in the plasma; and plasma samples are purified throughthe liquid-liquid extraction and the solid-phase extraction, analysis is carried out through an ion monitoring mode of a high-performance liquid chromatograph-mass spectrometer MRM, and quantification is carried out through the external standard method. The method provided by the invention has the advantages of low detection limit, high stability, high recovery rate and high detection sensitivity, is applicable to the determination of the contents of the diethyl phosphate, the dibutyl phosphate and the diphenyl phosphate in the human plasma, and can meet detection requirements for residues oftarget substances in the human plasma.

The invention discloses a high-performance extreme pressure antiwear emulsified cutting oil, and is characterized in that the emulsified cutting oil is prepared from the following raw materials in parts by weight: 19-24 parts of liquid paraffin, 30-40 parts of light oil, 13-15 parts of furfural extract oil, 8-10 parts of span-80, 2-3 parts of N,N'-bis(salicylidene)propanediamine, 2-4 parts of sebacic acid, 3-5 parts of dodecylene, 5-8 parts of sodium borate, 2-3 parts of dibutyl phosphite, 2.5-3.5 parts of a copper powder, 2-3 parts of petroleum sodium sulfonate, 2-2.5 parts of butyl carbitol, and 9-11 parts of modified waste engine oil. The sodium borate, dibutyl phosphate and other extreme pressure additives are added, and N,N'-bis(salicylidene)propanediamine and other metal surface passivation agents are added; with addition of the modified waste engine oil, resources are fully utilized, the cost is reduced, the lubricity is enhanced, the antirust passivation effect and the film-forming property are improved, and a metal section is prevented from being oxidized; and the cutting oil has good antiwear effect, can be used after being diluted by adding water, has extremely low oil mist, has no irritating smell, and is wide in use range and high in performance.

The invention discloses a washable light down feather composite fiber. The washable light down feather composite fiber is characterized by being prepared from the following raw materials in parts by weight: 12-14 parts of goose down, 15-20 parts of pig hair, 14-17 parts of camel hair, 6-8 parts of plumetis fibers, 10-12 parts of tencel fibers, 7-9 parts of cheviot fibers, 2.1-3.3 parts of sorbitol, 1.2-3.4 parts of glycerol monolaurate, 10-13 parts of grapevine, 1.2-3.1 parts of citric acid, 2-4 parts of phellodendron amurense, 1-3 parts of white atractylodes rhizome, 2-3 parts of the root bark of white mulberry, 0.3-0.5 part of magnesium chloride, 3-5 parts of oxidized castor oil, 100-120 parts of 1-butyl-3-methylimidazolium acetate, 110-130 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 1-3 parts of assistants and an appropriate amount of water. According to the washable light down feather composite fiber, the pig hairs and the camel hairs are added, and therefore, the feather utilization rate is increased and the cost is reduced; and the phellodendron amurense, the white atractylodes rhizome, the root bark of white mulberry and other Chinese herbal medicines are added, so that the washable light down feather composite fiber has the advantages of health keeping, sterilization, excellent breathability, washing durability and the like.

The invention discloses special oil for an automatic gearbox of an AMT (automatic manual transmission), which is prepared from the following materials in parts by weight: 10-90 parts of base oil, 10-90 parts of polymerized alpha olefin, 1-8 parts of polyisobutene, 1-8 parts of ethylene propylene rubber, 0-2 parts of dibutyl phosphate, 0-2 parts of sulfur and phosphorus double-nitrogen derivative,0-2 parts of thio-phosphoric acid compound amine salt, 0.5-2 parts of sulfurized isobutylene and 0.1-0.5 parts of polymethylmethacrylate. The special oil for the automatic gearbox of the AMT disclosed by the invention has the following advantages of excellent extreme-pressure anti-wear property, small corrosion to copper, good low-temperature fluidity, good high-temperature antioxidant property, strong adhesive power and excellent oil film protection to a gear surface, and can resist the low temperature of 45 DEG C below zero. The special oil for the automatic gearbox of the AMT disclosed by the invention has small viscosity, good lubricating property and small flow resistance at the room temperature, and is energy-saving and environment-friendly special oil for the automatic gearbox of the AMT with quick instruction response to an electric actuator and excellent fuel economy.

The invention provides cleaning type copper-aluminum composite board cold-rolled rolling oil and a preparation method thereof and belongs to the technical field of technological lubrication. A lubricant is prepared from the following components in percentage by weight: 89.5 percent to 90.65 percent of basic oil containing mineral oil D85, D100 and D115, 0.3 percent to 0.8 percent of extreme-pressure agent containing dialkylphosphorodithiloate, fatty alcohol polyethylene glycol ester and acidic dibutyl phosphite, 9.0 percent to 9.6 percent of oily agent containing lauric acid, lauryl alcohol and butyl stearate and 0.05 percent to 0.1 percent of corrosion inhibitor dimercaptothiodiazole. According to the cleaning type copper-aluminum composite board cold-rolled rolling oil, common aluminum rolling oil is adopted, and phosphorus and alcohol ester type extreme-pressure anti-wearing agents are added, so that the strength of an oil film of the rolling oil can be effectively improved; the lauric acid, the lauryl alcohol and the butyl stearate are used as the compound oily agent, so that the stability of a friction reduction capability of the rolling oil is effectively ensured; meanwhile,less dimercaptothiodiazole is added and used as the corrosion inhibitor and is used for preventing the surface of a copper substrate from being oxidized. The prepared rolling oil has extreme-pressureanti-wearing performance, corrosion resistance and surface cleaning performance.

Disclosed warm-keeping air-permeable silk composite fiber is characterized by being prepared from the following raw materials in parts by weight: 15-20 parts of mulberry silk, 11-13 parts of rex rabbit hair, 5-7 parts of polypropylene fiber, 7-9 parts of soybean protein fiber, 6-8 parts of space cotton, 9-11 parts of silk floss, 4-7 parts of coffee carbon fiber, 0.2-0.4 parts of hemin, 1.2-3.2 parts of palm oil, 0.4-0.7 parts of alumina silicate, 100-110 parts of 1-butyl-3-methylimidazolium dibutyl phosphate, 105-110 parts of 1-ethyl-3-methylimidazolium diethylphosphate, 1-3 parts of spica prunellae, 2-4 parts of folium artemisiae argyi, 3-6 parts of an auxiliary agent, and proper amount of water. Coffee carbon fiber is subjected to modification processing and then is added into raw materials, and the prepared silk composite fiber has the effects of storing heat, keeping warm, making air through, retaining moisture, emitting negative ions, resisting ultraviolet and the like. A negative-oxygen-ion silk quilt prepared from the silk composite fiber is capable of adjusting the body state of a user in sleep to an optimum state, enabling the user to rapidly enter a deep sleep state, improving the self immunity of the user and realizing the efficacy of prolonging life span.

According to the first embodiment of the present invention, an oxide of a hydrocarbon compound can be produced with high yield and high productivity by oxidizing the hydrocarbon compound with molecular oxygen in the co-presence of an N-hydroxy compound, such as methyl ethyl ketone or N-hydroxysuccinimide, and a phosphate ester, such as dibutyl phosphate. According to another embodiment of the present invention, an oxide of a hydrocarbon compound can be produced with high yield by using an oxidation catalyst that comprises an oxime compound, such as methyl ethyl ketone. According to another embodiment of the present invention, an alcohol and/or a ketone can be produced with high yield by oxidizing the hydrocarbon compound at a temperature of 160° C. or less, and by decomposing the resulting hydroperoxide, for example, in a unit having an inner surface formed by a material from which no transition metal ion is generated.