3629 results about "Cyclohexanone" patented technology

The invention described herein is directed towards spin-on carbon materials comprising polyamic acid compositions and a crosslinker in a solvent system. The materials are useful in trilayer photolithography processes. Films made with the inventive compositions are not soluble in solvents commonly used in lithographic materials, such as, but not limited to PGME, PGMEA, and cyclohexanone. However, the films can be dissolved in developers commonly used in photolithography. In one embodiment, the films can be heated at high temperatures to improve the thermal stability for high temperature processing. Regardless of the embodiment, the material can be applied to a flat / planar or patterned surface. Advantageously, the material exhibits a wiggling resistance during pattern transfer to silicon substrate using fluorocarbon etch.

An aspect of the present invention relates to a carbon black composition, which comprises carbon black; an organic tertiary amine selected from the group consisting of an aliphatic tertiary monoamine and an alicyclic tertiary amine; and at least one organic solvent selected from the group consisting of methyl ethyl ketone, cyclohexanone, isophorone, and ethanol.

The invention discloses a micro-crack self-repairing microcapsule, which comprises a capsule core and a capsule wall, wherein the capsule core comprises the following ingredients in part by weight: 10 to 60 parts of isocyanate derivative, 0.1 to 10 parts of capsule core diluent and 2 to 40 parts of cosolvent; and the capsule wall comprises ingredients with the following mol ratio: urea: formaldehyde solution, prepolymer=1: (1.0-4.0): (2.0-6.0), wherein the prepolymer is formed from the ingredients with the mol ratio: isocyanate derivative: cyclohexanone: chain extender=1: (2.0-5.0): (0.3-3.0). The invention also discloses a micro-crack self-repairing anti-corrosion coating utilizing the capsule. The micro-crack self-repairing microcapsule is free from additionally adding a repairing catalyst or an initiator, can realize completely automatic repairing function, can be widely applied to the protection field of a metal surface coating in a wet environment, and solves the problems that the contact probability between functional filling material flowing into cracks in the intelligent anticorrosion coating and the catalyst or the initiator is small.

The invention relates to a method for preparing caprolactone through cyclohexanone catalytic oxidation. The method comprises the following steps that: raw materials, namely cyclohexanone, oxidant, solvent and catalyst, are respectively added to a reaction vessel; the reaction vessel is heated to at a temperature between 40 and 100 DEG C; constant temperature reaction is carried out for 1-15 hours; after the reaction is finished, the raw materials are cooled and separated, and then a finished product of caprolactone can be obtained, wherein the catalyst contains 50-100 percent of zinc oxide and 50-0 percent of other metallic oxide in weight percentage; the solvent is nitrile; the oxidant is hydrogen peroxide or peracetic acid. High caprolactone yield and selectivity can be obtained by adopting the method provided by the invention; meanwhile, the catalyst used in the method is low in price, easy to get and simple to prepare, contains no halogen element, has high stability, and can be used repeatedly.

The invention provides a method for preparing a small-crystallite titanium-silicon molecular sieve in a cheap system by changing the adding mode of seed crystals and by a hydrothermal process. The titanium-silicon molecular sieve is prepared by using silicon sol as a silicon source, titanium tetrachloride or tetrabutyl titanate as a titanium source, tetrapropylammonium bromide ( TPABr) as a template agent, organic amine as an alkali source and unseparated nanoscale TS-1 mother liquor as seed crystals directly and by the hydrothermal process. The grain size of the titanium-silicon molecular sieve is less than 1 micrometer, and the titanium-silicon molecular sieve has high activity for selective oxidization reactions using hydrogen peroxide as an oxidant, such as epoxidation of olefins, hydroxylation of phenol, ammoxidation of cyclohexanone and the like. The method simplifies the synthesis process of small crystallite TS-1 in the cheap system and reduces synthesis time and cost.

The invention provides a carbon nano material / metal nano material composite nano ink which comprises solvent, an additive, a carbon nano material and a metal nano material. The carbon nano material / metal nano material composite nano ink is characterized in that the solvent can comprise water, alcohol organic solvent (ethanol(alcohol), isopropanol, n-butanol and the like), ester organic solvent (ethyl acetate, butyl acetate, ethylene-propylene acetate and the like), benzene organic solvent (methylbenzene, dimethylbenzene and the like) and ketone organic solvent (cyclohexanone, acetone, methylethylketone, butanone and the like); the additive comprises surfactant, pH value stabilizer, defoaming agent, diluter, reinforcer and the like; the carbon nano material comprises a single-layer carbon nanotube, a double-layer carbon nanotube, a multi-layer carbon nanotube and graphene; the metal (copper, silver, gold, platinum, nickel and the like, also including an alloy nano material, an ITO metal composite nano material and the like) nano material further comprises a metal nanoparticle, a metal nanowire or a metal nanotube; the components of the nano ink must include one carbon nano component and one metal nano component, such as a single-layer carbon nanotube and copper nanowire composite ink, a double-layer carbon nanotube and silver nanowire composite ink, a single-layer carbon nanotube and silver nanoparticle composite ink or any other possible combination; the components can be regulated according to specific applications; and a composite nano conductive film can be formed on different bases through different electronic printing processes. The ink can be used in the printing of a flexible base material and can be conveniently prepared into a flexible conductive film.

The invention discloses a process and a plant for preparing adipic acid by catalytically aerobically oxidizing cyclohexane. The process comprises the following steps: dissolving 1 to 50 PPM of a catalyst including single metalloporphyrin or mu-oxo bimetallic porphyrin or a mixture of single metalloporphyrin, mu-oxo bimetallic porphyrin and transition metal salt or oxide in cyclohexane; introducing 5 to 12 atm of air or oxygen-rich or oxygen-poor air into a multi-stage oxidation reactor with a gas distributor; controlling the reaction temperature at 140 to 160 DEG C; oxidizing cyclohexane for 45 to 120 min; feeding the mixture of the oxidation reaction into a flash separator to carry out flash evaporation at the temperature of 78 to 155 DEG C and under the pressure of 0.1 to 1.0 atm, so that the low-boiling-point products such as cyclohexane, cyclohexanol and cyclohexanone change to gas and are separated from adipic acid with the content above 80%; continuously circularly oxidizing the low-boiling-point products to separate and purify the high-boiling-point oxidation product; and purifying and separating by the existing technique to obtain fine adipic acid product. The process can directly prepare adipic acid by aerobically oxidizing cyclohexane, wherein the conversion rate of cyclohexane is up to 95%, and the yield of adipic acid is up to 70%.

A fluoride POSS acrylic resin block copolymer resin and its synthesis are disclosed. The molecular-weight of copolymer Mn is 20000-60000, Mn / Mw is 1.1-1.5, contact angle between coating and water is 85-120degree. The process is carried out by adding components into reactor to obtain methyl acrylate performed polymer with Br end capping, reacting with CuBr, PMDETA and F-POSS, removing catalyst from reactant, depositing while filtering by methanol, vacuum drying to constant weight to obtain the final product. The polymer powders can be dissolved into acetic ether, acetone, 1,2-dichloroethane, dioxane and cyclohexanone or their mixtures, then it can be used for coating or filming.

This invention relates to curcumin analogs and their applications. Curcumin is an excellent precursor compound, and has multiple pharmaceutical activities. The curcumin analogs in this invention have more stable monocarbonyl intermediate connection chain structure. The connection chain can be acetone, cyclopentanone or cyclohexanone. The substituent on benzene ring can be separately selected from H, hydroxyl, halogen, alkoxyl, alkyl, halogenated alkyl, amino, and alkyl amino. This invention also discloses pharmaceutically acceptable salts of the curcumin analogs, preparations containing them, and their pharmaceutical applications. Experiments show that the curcumin analogs can be used to treat inflammation and tumor.

The invention relates to a new process in which under the catalytic action of metal porphyrin the cyclohexane can be selectively oxdated by air and made into cyclohexanol and cyclohexanone. Under the condition of 2-10 atm air, reaction temp. is 125-150 deg.C, it selects and uses micro-oxo double metal porphyrin and single metal porphyrin or their solid carrier as main catalyst, and uses transition metal salt or oxide as co-catalyst, the metal porphyrin can high-effectively and high-selectively catalyze oxidation of cyclohexane by using air in the biological concentratino as biological enzyme. The dose of metal porphyrin is small and said metal porphyrin can be repeatedly used, and said catalyst dose also is small, its catalystic effect is good, said catalyst can be used for making homogeneous catalysis, and after it is solid-carried, it also can be used for making heterogeneous catalysis.

The invention relates to a one-step molding method of a titanium silicalite molecular sieve. The method comprises the following steps of crystallizing the titanium silicalite molecular sieve subjected to hydro-thermal synthesis; directly adding a matrix substance, a binder, a peptizing agent and a pore-enlarging agent without separating, washing and calcining; pulping; performing spray forming; and calcining the formed microspheres to remove a template agent to obtain large formed titanium silicalite molecular sieve particles which can be applied to ammoximation of cyclohexanone and epoxidation of olefin.

A process for preparing cyclohexanol, cyclohexanone and adipic acid by catalytic oxidization of cyclohexane under existance of metallic porphyrin catalyst and a certain temp and pressure through combination of different reactors is disclosed. Its advantages are high single-pass conversion rate of cyclohexane and total output rate, low energy consumption and cost, and no need of cyclohexanol or acetone solvent and cocatalyst.

The present invention relates to a new process for preparing adipic acid by air oxidating cyclohexane, cyclohexanol, cyclohexanone and cyclohexene or mixture of cyclohexanol and cyclohexanone under the catalysis of metal porphyrin. Under the condition of 1-20 atm air and reaction temp. is 50-200 deg.C it can select and use mu-oxidized metal porphyrin and monometal porphyrin or their fixed carrier material as catalyst independently, also can select and use metal porphyrin or their fixed carrier material as main catalyst, and use transition metal salt or oxide as co-catalyst. The metal porphyrin like biological-enzyme can high-effectively and high-selectivity catalyze air under the biologicae concentration to directly oxidate the cyclohexane into adipic acid. Said invented dose of metal porphyrin is less, and its catalytic effect is good, it can make homogeneous catalysis, also can make heterogeneous catalysis after the carrier is fixed.

Disclosed herein are substituted cyclohexanone-based NMDA receptor modulators of Formula I, process of preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.

A non-naturally occurring microbial organism has cyclohexanone pathways that include at least one exogenous nucleic acid encoding a cyclohexanone pathway enzyme. A pathway includes a 2-ketocyclohexane-1-carboxyl-CoA hydrolase (acting on C—C bond), a 2-ketocyclohexane-1-carboxylate decarboxylase and an enzyme selected from a 2-ketocyclohexane-1-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-1-carboxyl-CoA transferase, and a 2-ketocyclohexane-1-carboxyl-CoA synthetase. A pathway includes an enzyme selected from a 6-ketocyclohex-1-ene-1-carboxyl-CoA hydrolase (acting on C—C bond), a 6-ketocyclohex-1-ene-1-carboxyl-CoA synthetase, a 6-ketocyclohex-1-ene-1-carboxyl-CoA hydrolase (acting on thioester), a 6-ketocyclohex-1-ene-1-carboxyl-CoA transferase, a 6-ketocyclohex-1-ene-1-carboxyl-CoA reductase, a 6-ketocyclohex-1-ene-1-carboxylate decarboxylase, a 6-ketocyclohex-1-ene-1-carboxylate reductase, a 2-ketocyclohexane-1-carboxyl-CoA synthetase, a 2-ketocyclohexane-1-carboxyl-CoA transferase, a 2-ketocyclohexane-1-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-1-carboxylate decarboxylase, and a cyclohexanone dehydrogenase. A pathway includes an adipate semialdehyde dehydratase, a cyclohexane-1,2-diol dehydrogenase, and a cyclohexane-1,2-diol dehydratase. A pathway includes a 3-oxopimelate decarboxylase, a 4-acetylbutyrate dehydratase, a 3-hydroxycyclohexanone dehydrogenase, a 2-cyclohexenone hydratase, a cyclohexanone dehydrogenase and an enzyme selected from a 3-oxopimeloyl-CoA synthetase, a 3-oxopimeloyl-CoA hydrolase (acting on thioester), and a 3-oxopimeloyl-coA transferase. Each these pathways can include a PEP carboxykinase. A method for producing cyclohexanone includes culturing these non-naturally occurring microbial organisms.

The invention discloses a method and a special catalyst for preparing cyclohexanone in one step by phenol hydrogenation. The catalyst for preparing the cyclohexanone in one step by phenol hydrogenation comprises Lewis acid and a loading type metal catalyst, wherein the mole ratio of the Lewis acid to the loading type metal catalyst is 10:1 to 1:10. The method for preparing the cyclohexanone comprises the steps of: using dichloromethane or CO2 as a reaction solvent; and reacting the phenol with hydrogen to generate the cyclohexanone in the presence of the catalyst. The method for preparing the cyclohexanone in one step by phenol hydrogenation has the advantages of simple preparing process, high activity and selectivity, moderate reaction condition, good stability, and the like; in addition, after the reaction is completed, reaction liquid and the catalyst can be separated through filtering and repeatedly used, and catalyzing activity and selectivity are not reduced. Experiments prove that the method for preparing the cyclohexanone can achieve the percent conversion of the phenol more than 99.9 percent and the selectivity of the cyclohexanone more than 95 percent.

The invention relates to chemical technical field, in particular to a method for using magnesia catalyst to catalyze and oxidize cyclone to synthesize lactone. The invention uses some nanometer sheet magnesia compound as catalyst, uses mixture of cyanobenzene and 1, 4-dioxane at a certain proportion as solvent, at a special reaction temperature, to catalyze and oxidize cyclone to synthesize lactone compound. The invention uses commercial cyclopentanone, cyclohexanone and adamantaneketone as raw materials, at mild condition, to reach the total yield of lactone compound more than 90%. The invention uses hydrogen dioxide water solution as oxidant, to eliminate the environment pollution of traditional oxidation process as peroxyacid, to realize environment-friend catalysis conversion. The invention has low cost, which can be used for industrialized lactone compound production.

The invention discloses a method for synthesizing fluorine-containing antiform alkyl cyclohexyl biphenyl single liquid crystal; in the method, bromobenzene and magnesium are selected to carry out Grignard reaction; then the reactants are coupled and hydrolyzed with alkyl cyclohexanone; dehydration, hydrogenation, transformation and iodization are carried out to synthesize alkyl cyclohexyl iodide; the Grignard reaction is carried out on fluorobromobenzene and magnesium, then low temperature coupling is carried out to synthesize p-fluoropheyl boric acid; finally, coupling reaction is carried out to synthesize the target compound; the method of the invention has the characteristics of use of highly active load catalyst, high yield, low production cost, little discharge of three wastes, reduction of generation of isomers and improvement of selectivity and yield of the target compound.

The present invention discloses a loaded type amorphous alloy catalyst for preparing cyclohexanone by means of phenol catalytic hydrogenation and its preparation method. Said invention utilizes isochoric impregnation KBH4 reduction method to prepare amorphous alloy catalyst, said preparation method includes the following steps: preparing hydrotalcite carrier; making metal salt precursor solution and hydrotalcite carrier undergo the process of isochoric impregnation treatment; drying; roasting; drop-adding reductant KBH4 solution to make reduction; successively using deionized water and absolute ethyl alcohol to wash black solid precipitate obtained by above-mentioned solution reaction to neutrality so as to obtain the invented amorphous alloy catalyst.

The invention relates to a micro-needle patch containing a biodegradable polymer and a preparation method thereof. The biodegradable polymer is a poly(p-dioxanone) having the molecular weight of 1,000 to 1,000,000 Daltons or copolymer containing a p-dioxanone, such as copolymer of the p-dioxanone and a lactide, copolymer of the p-dioxanone and a glycolide, and the like. The micro-needle patch has no limitation on hydrophilic and hydrophobic property and molecular weight of the medicine, and does not cause any pain and stimulation, thereby improving the medicine bioavailability and the adaptability to the patient.

The present invention relates to the field of catalyst molding, and particularly provides a titanium-silicon molecular sieve molding method, which comprises: mixing a titanium-silicon molecular sieve and a water-containing mixture, carrying out hydrothermal treatment under a sealed condition, molding the slurry obtained from the hydrothermal treatment to obtain a molding body, and calcining the molding body, wherein the water-containing mixture contains a silicon element, a titanium element and a nitrogen element, and is at least partially derived from the crystallization mother liquor of the titanium silicon molecular sieve. The present invention provides a molding catalyst prepared according to the preparation method, and applications thereof. The invention further provides a cyclohexanone oxidation method. According to the present invention, with the titanium-silicon molecular sieve molding method, the industrial waste liquid is effectively utilized, and the problems of complex process, corrosion on equipment, harmful emission and the like of the traditional process are overcome; and the molding catalyst has characteristics of high titanium-silicon molecular sieve content, high pore volume, high crushing resistance, and high selectivity to the target product.

The invention provides a transparent hydrophobic and oleophobic functional coating material. The transparent hydrophobic and oleophobic functional coating material is prepared from fluorine-containing resin, silicon dioxide particles and a solvent, wherein the mass concentration of the fluorine-containing resin is 5 to 15%; the mass of the silicon dioxide particles accounts for 1 to 5% of the mass of the fluorine-containing resin; the fluorine-containing resin contains at least one of fluorine-containing acrylic resin, fluorocarbon resin, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin; the fluorine content of the fluorine-containing resin is 10 to 50wt%, the particle size of the silicon dioxide particles is 10 to 40 nanometers, and a modifying solvent uses a fluoroalkyl silane coupling agent to modify; the solvent is prepared from ethyl acetate, butyl acetate, isoamyl acetate, ethyl butyrate, acetone, butanone, cyclohexanone, methylbenzene, xylene or nonafluorobutyl ether. The invention also provides a transparent hydrophobic and oleophobic functional coating layer which is made of the transparent hydrophobic and oleophobic functional material.

The invention provides a polyurethane matt varnish for benzene-free odor-less furniture, which is composed of a main agent, a curing agent and a diluent. The main agent comprises 66.5-75.5% of hydroxyacrylic resin, 16.0-25.0% of solvent, 0.1-0.3% of defoarming agent, 0.05-0.1% of flatting agent, 0.1-0.5% of anti-settling agent, 0.1-0.5% of dispersing agent, and 4-8% of delustering agent; the curing agent comprises40.0-50.0% of toluene diisocyanate tripolymer, 20.0-30.0% of toluene diisocyanate-trimethylolpropane affixture, and 20.0-30.0% of butyl acetate; the diluent comprises 60.0-70.0% of butyl acetate, 15.0-20.0% of cyclohexanone, and 15.0-25.0% of propylene glycol methyl ether acetate. The product of the invention is favorable for construction, and no odor exists after the construction of the previous night.

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, the metallic nanofibers are between about 10 microns to about 100 microns in length, are between about 10 nm to about 120 nm in diameter, and are typically functionalized with a coating or partial coating of polyvinyl pyrrolidone or a similar compound. An exemplary metallic nanofiber ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanofibers; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, or mixtures thereof; and a viscosity modifier, resin, or binder such as polyvinyl pyrrolidone or a polyimide, for example.

An exemplary printable composition comprises a liquid or gel suspension of a plurality of metallic nanofibers or nanowires; a first solvent; and a viscosity modifier, resin, or binder. In various embodiments, an exemplary metallic nanowire ink which can be printed to produce a substantially transparent conductor comprises a plurality of metallic nanowires at least partially coated with a first polymer comprising polyvinyl pyrrolidone having a molecular weight less than about 50,000; one or more solvents such as 1-butanol, ethanol, 1-pentanol, n-methylpyrrolidone, cyclohexanone, cyclopentanone, 1-hexanol, acetic acid, cyclohexanol, and mixtures thereof; and a second polymer or polymeric precursor such as polyvinyl pyrrolidone or a polyimide, having a molecular weight greater than about 500,000.

A method of producing 6,6-dimethyl-3-oxabicyclo[3.1.0]hexan-2-one comprising subjecting a cyclopropane compound of the formula (1):(wherein, R1 represents an alkyl group, R2 represents an alkyl group having carbon atom(s) of 1 to 10, a haloalkyl group having carbon atom(s) of 1 to 10, or an aryl group having carbon atoms of 6 to 10 optionally substituted by an alkyl group having carbon atom(s) of 1 to 10, and when R2 represents the alkyl group, R1 and R2 are optionally the same or different each other.) to any of the following reactions a), b) and c):a) an acid treatment reaction after an alkali hydrolysis reactionb) an acid hydrolysis reactionc) an enzyme hydrolysis reaction , then, removing an aqueous layer.

The invention relates to a nitrocyclohexane hydrogenation catalyst and a preparation method thereof, and relates to a method for nitrocyclohexane hydrogenation by using the catalyst. Carbon nano tubes are used as a carrier in the catalyst and carry the following components: at least one VIII family metal and at least one alkali metal in the element periodic table. The catalyst can be used for preparing cyclohexane oxime by nitrocyclohexane hydrogenation; and according to the method, the preparation flow is short, the yield is high, comprehensive cost is low, resources are saved and no waste slag, waste gas or waste liquid is discharged; and the method is a pollution-free production process.

The invention relates to a method for high resource treatment of cyclohexanone waste saponification lye. The method is improvement on a method for performing zero emission treatment on waste saponification lye produced by producing cyclohexanone through cyclohexane oxidation technology. By using the method, a process is set that sodium sulfate and pulverized coal are calcined to obtain sodium sulfide and carbon dioxide flue gas on the basis of the prior art, carbon dioxide in flue gas reacts with sodium hydroxide and sodium carbonate in initial waste lye to generate sodium hydrogencarbonate, and partial moisture is evaporated in the waste lye by high-temperature heat in the flue gas. The method utilizes the joint production of the cyclohexanone waste saponification lye to obtain chemical resources with higher level such as sodium carbonate, sodium sulfide, monoprotic organic acid, clean fuel oil and the like, and has more remarkable economic benefit; the method achieves the zero emission through the treatment of a waste with another waste, completely roots up the pollution of the waste lye on the environment, and has remarkable social benefit; and waste resources are circularly utilized, so the method has low energy consumption and mature process, is suitable for the large-scale treatment on the cyclohexanone waste saponification lye, and is also used for industrialized production of the chemical resources in the waste lye.

The invention described herein provides ketone-aldehyde resins, especially cyclohexanone-formaldehyde resins, with low water content and high thermal stability and yellowing resistance, and to a process for preparing them and their use.