2910 results about "Cyclohexanes" patented technology

The present invention provides, in one aspect, a physiological cooling composition comprising at least one cyclohexane carboxamide, at least one acyclic carboxamide, and at least one stereoisomer of menthyl lactate. In another aspect, disclosed is a method for producing such composition. In still another aspect, disclosed are various consumer products comprising a physiological cooling composition comprising at least one cyclohexane carboxamide, at least one acyclic carboxamide, and at least one stereoisomer of menthyl lactate.

Compositions of matter including articles derived from (a) from 5 to 99.99 wt % of a modified polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate and (2) contains a at least one residue derived from polyethylene terephthalate selected from the group consisting of antimony, germanium, diethylene glycol groups, isophthalic acid groups, cis isomer of cyclohexane dimethanol, trans isomer of cyclohexane dimethanol, sodium benzoate, alkali salts, napthalane dicarboxylic acids, 1,3-propane diols, cobalt, cobalt-containing compounds, and combinations thereof, and (b) from 0.01 to 95 wt. % of a member selected from the group consisting of (1) fillers, (2) a carboxy reactive component, (3) polyethyelene terephthalate, (4) a component including a polycarbonate and an impact modifier. The articles may be derived from various conversion processes, e.g., injection molding processes, extrusion processes, thermoforming processes, melt-blown process.

A polyamide characterized in that the polyamide is obtained by thermal polycondensation of (a) dicarboxylic acid components comprising 10 to 80% by mole in total carboxylic acid components of 1,4-cyclohexanedicarboxylic acid having a trans / cis molar ratio of 50 / 50 to 97 / 3 and (b) an aliphatic diamine component is disclosed. The alicyclic polyamide having 1,4-cyclohexanedicarboxylic acid in a backbone thereof as a dicarboxylic acid unit, which is suitable as materials for various uses such as automotive parts, electric / electronics parts, industrial materials, engineering materials and daily household goods, and superior in heat resistance, low water absorption, light resistance, moldability and light weight, as well as superior in toughness, chemical resistance and appearance, and molded articles thereof.

The present invention relates to molded polyurethane / urea elastomers, and specifically to improved polyurethane / urea elastomers having high temperature stability to about 140–150° C. and low temperature flexibility at about −35–(−40)° C., for use in dynamic applications. These elastomers are particularly useful for application in belts, specifically in automotive timing or synchronous belts, V-belts, multi V-ribbed or micro-ribbed belts, flat belting and the like. The polyurethane / urea elastomers of the present invention are prepared by reacting polyisocyanate prepolymers with symmetric primary diamine chain extenders, mixtures of symmetric primary diamine chain extenders and secondary diamine chain extenders, or mixtures of symmetric primary diamine chain extenders and non-oxidative polyols, which are all chosen to eliminate the need for catalysts via standard molding processes, and to improve phase separation. The polyisocyanate prepolymers are reaction products of polyols which are nonoxidative at high temperatures, such as polycarbonate polyols, polyester polyols, or mixtures thereof, with organic polyisocyanates which are either compact, symmetric and aromatic, such as para-phenylene diisocyanate, 1,5-naphthalene diisocyanate, and 2,6-toluene diisocyanate, or are aliphatic and possess trans or trans,trans geometric structure, such as trans-1,4-cyclohexane diisocyanate and trans,trans-4,4′-dicyclohexylmethyl diisocyanate.

A liquid crystal compound represented by formula (1), a liquid crystal composition comprising the compound, and a liquid crystal display device comprising the composition:For example, R1 is alkyl having 1 to 20; ring A1, ring A2, ring A3, ring A4, ring A5, and ring A6 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3, Z4, Z5, and Z6 is a single bond; X1 is hydrogen or halogen; l, m, n, o, p, and q are 0 or 1, and l+m+n+o+p+q is 3.

Provided are mixtures of 1) compounds of the formula:wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and / or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl; and 2) one or more second plasticizers selected from the group consisting of alkyl terephthalates, alkyl phthalates, alkyl benzoate esters, di-benzoate esters, esters of cyclohexane polycarboxylic acids, and dialkyl adipates. Also provided are plasticized polymer compositions containing said mixtures.

Compounds represented by the following general formula (I) wherein ring A is benzene, cyclohexane, pyridine, piperidine, a derivative thereof, imidazole, a derivative thereof, etc.; the ring B represents benzene, cyclohexane, pyrrole or a derivative thereof, furan, thiophene, etc.; R1, R2 and R3 represent each hydrogen, alkyl, halogen, hydroxyl, alkoxy, etc.; W represents hydrogen, alkyl or hydroxycarbonylalkyl; X represents halogen, cyano, nitro, etc.; X′ represents hydrogen, halogen, etc.; and Y represents alkyl, hydroxyalkyl, hydroxycarbonylalkyl, aminoalkyl, etc.; salt thereof, and drugs comprising these compounds. Because of having an exellent effect of inhibiting activated lymphocyte proliferation, these compounds are usefull as preventives or remedies for various autoimmune diseases.

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 is to provide liquid crystalline compounds having a negative and extremely large dielectric anisotropy value and a small optical anisotropy value at the same time; liquid crystal compositions comprising the compound; and liquid crystal display devices fabricated by using the liquid crystal composition; the liquid crystalline compounds have 2,3-dihalogenophenylene moiety and are expressed by formula (1)wherein Ra and Rb each independently represents a linear or branched alkyl having 1 to 10 carbon, any methylene in the alkyl may be replaced by -O-, -S-, -CH=CH-, or -C=C-, but -O- is not successive, and any hydrogen in the alkyl may be replaced by halogen; rings A1 to A4 each independently represents trans-1,4-cyclohexylene, cyclohexene-1,4-diyl, pyridine-1,4-diyl, pyrimidine-2,5-diyl, or 1,4-phenylene, wherein at least one hydrogen in these rings may be replaced by halogen, and any nonadjacent methylene in cyclohexane ring may be replaced by -O-; Y1 and Y2 each independently represents F or Cl; Z1, Z2 and Z3 each independently represents a single bond, -CH2CH2-, -(CH2)4-, -COO-, -OCO-, -CH2O-, -OCH2-, -CF2O-, or -OCF2-; and l, m and n each independently is 0, 1 or 2, and the sum of l+m+n is 3 and less.

The invention relates to a benzene hydrogenation catalyst as well as a preparation method and application of the benzene hydrogenation catalyst. The catalyst consists of an active component Ru and adjuvants, wherein the active component Ru is loaded on the catalyst by a carrier; the adjuvants are one or two of La, Ce, Fe, Zn, Cu and B, and the carrier is a mesoporous molecular sieve MCM-41 modified by one or two of ZrO2, ZnO and CuO. The invention also provides a method for preparing cyclohexene and cyclohexane by benzene hydrogenation catalyzed by the catalyst. The catalyst provided by the invention can be prepared by a dipping sedimentation method or a chemical reduction method and has a higher catalytic activity and cyclohexene selectivity.

The present invention relates to aqueous polyurethane dispersions that are free from N-methylpyrrolidone and other solvents and wherein the polyurethanes are the reaction products of A) a mixture of 25% to 90% by weight of 1-isocyanate-3,3,5,-trimethyl-5-isocyanatomethylcyclohexane (IPDI) and 10% to 75% by weight of 4,4′-diisocyanatodicyclohexylmethane, wherein the preceding percentages are based on the weight of component A), with B) one or more polyols having average molarcular weights (Mn) of 500 to 6000, C) one or more compounds which have at least one OH— or NH-functional group and contain a carboxyl and / or carboxylate group, wherein at least 50 mol % of the acid groups, based on the total moles of acid incorporated into the polyurethane, are incorporated by dimethylolpropionic acid, D) one or more polyols and / or polyamines having average molecular weights (Mn) of below 500, and E) optionally one or more monoalcohols and / or monoamines. The present invention also relates to a process for preparing the aqueous polyurethane dispersions and to the use of the polyurethane dispersions for preparing coatings or adhesives.

The invention discloses a colorless and transparent polyimide resin material. 1,2,3,4-cyclohexanetetracarboxylic dianhydride is chosen as dianhydride monomer or comonomer to carry out polycondensation reaction with primary diamine, so that the polyimide resin material is prepared. Because the 1,2,3,4-cyclohexanetetracarboxylic dianhydride comonomer has a distorted molecular structure, a large free volume exists between polymer molecular chains, and thereby the formation of charge transfer complex (CTC) in and between polyimide molecules is inhibited; and meanwhile, because of the introductionof a lipid structure, the electron-stimulated transition mode in the polyimide molecular chains is changed, the absorption of the aromatic polyimide in the visible light region is remarkably weakened, and thereby the transparency of the polymer is greatly increased. The ultraviolet light transmission cutoff wavelength of a produced polyimide film is 280nm to 380nm, the light transmissivity at 450nm is 86 to 94 percent, moreover, the glass-transition temperature is 250 DEG C to 400 DEG C, and the polyimide resin material has a good application prospect in the fields of flexible substrate materials for solar cells, flexible transparent conducting film substrate materials, liquid crystal display materials and the like.

Compositions of matter including articles derived from (a) from 5 to 99.99 wt % of a modified polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate and (2) contains a at least one residue derived from polyethylene terephthalate selected from the group consisting of antimony, germanium, diethylene glycol groups, isophthalic acid groups, cis isomer of cyclohexane dimethanol, trans isomer of cyclohexane dimethanol, sodium benzoate, alkali salts, napthalane dicarboxylic acids, 1,3-propane diols, cobalt, cobalt-containing compounds, and combinations thereof, and (b) from 0.01 to 95 wt. % of a member selected from the group consisting of (1) fillers, (2) a carboxy reactive component, (3) polyethyelene terephthalate, (4) a component including a polycarbonate and an impact modifier. The articles may be derived from various conversion processes, e.g., injection molding processes, extrusion processes, thermoforming processes, melt-blown process.

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.

Solid forms comprising 4-[9-(tetrahydro-furan-3-yl)-8-(2,4,6-trifluoro-phenylamino)-9H-purin-2-ylamino]-cyclohexan-1-ol, compositions comprising the solid forms, methods of making the solid forms and methods of their use for the treatment of various diseases and / or disorders are disclosed.

The invention belongs to the field of environmental protection and catalyst, disclosing a bifunctional catalyst and a preparation method and an application thereof. The catalyst is prepared in a manner that substance containing rare earth metal element cerium, substance containing alkali metal element potassium and substance containing transition metal elements are loaded on a carrier under the action of adhesive to be baked; wherein transition metal elements are 1-3 elements of Cu, Mn, Fe, V, Co. The catalyst has low cost and high catalytic activity, does not cause secondary pollution, is suitable for preparation of chlorine by oxidation of hydrogen chloride to realize the recycling of chlorine resource, and is also suitable for deep oxidation combustion of organic impurities such as cyclohexane, benzene, toluene and the like in industrial waste gas.

An alignment film (100) according to the present invention includes: a first alignment layer (102) containing a first polyimide (p1); and a second alignment layer (104) containing a polymerization product (po) resulting from polymerization of a polyfunctional monomer and a second polyimide (p2). The polyfunctional monomer is represented by general formula (1) P1-A1-(Z1-A2)n-P2 (in general formula (1), P1 and P2 each independently of the other are an acrylate, methacrylate, acrylamide, methacrylamide, vinyl, vinyloxy, or epoxy group; A1 and A2 each independently of the other represent a 1,4-phenylene, 1,4-cyclohexane, 2,5-thiophene, or naphthalene-2,6-diyl group; Z1 is a —COO— group, a —OCO— group, a —O— group, a —CONH— group or a single bond, where n is 0, 1, or 2).

The invention discloses a nanometer material with controllable particle sizes and silicon dioxide hollow spheres and a method for preparing nanometer material. TEOS (tetraethyl orthosilicate) is used as an organic silicon source, CTAB (cetyl trimethyl ammonium bromide) is used as a structure directing agent, water, ethyl alcohol and cyclohexane are used as solvents, and PVP (polyvinyl pyrrolidone) is used as a stabilizer. The method includes carrying out heat reaction by the aid of the solvents to form precursors of the SiO2 hollow spheres; calcining the precursors and removing organic matters so as to obtain the SiO2 hollow spheres. The nanometer material and the method have the advantages that the silicon dioxide hollow spheres prepared by the aid of the method are excellent in dispersibility and have the adjustable particle sizes (of 220-430 nm), large pore diameters (of 10-12 nm) and uniform shell thicknesses, and cavities are large and can be used for storing large quantities of guest molecules; the nanometer material is high in chemical stability and packaging capacity and can be widely applied to the fields of enzymatic catalysis, substance adsorptive separation and the like; the method includes simple synthesis processes, is clean and is free of pollution and low in cost, and preparation procedures are good in repeatability.

Epoxy resins comprising a cis, trans-1,3- and -1,4-cyclohexanedimethylether moiety and processes for preparing the epoxy resins. The process of preparation of the epoxy resins comprises reacting (a) a mixture of a cis-1,3-cyclohexanedimethanol, a trans-1,3-cyclohexanedimethanol, a cis-1,4-cyclohexanedimethanol, and a trans-1,4-cyclohexanedimethanol, (b) an epihalohydrin, (c) a basic acting substance, (d) optionally, a solvent, (e) optionally, a catalyst, and / or (f) optionally, a dehydrating agent. The process may be a slurry epoxidation process, an anhydrous epoxidation process, or a Lewis acid catalyzed coupling and epoxidation process.

Production of cationic micro-sphere with cross-linking swelling function is carried out by taking persulfate and sulfite or persulfate and azo-diisobutyl nitrile binary composite or persulfate, sulfite and 2,2'-azo-(2-(2-imidazoline-2-radical)propane)dihydrochloride(VA-044)ternary composite as initiating agent, adding into dispersant and cross-linking agent, initiating DMC monomer and AM monomer in mixed medium of cyclohexane-water or industrial white oil-water or 120#solvent oil-water and reverse suspension polymerizing to obtain the final product. The grain size is 1-50 mu m, it has controllable swelling speed ratio and can be used for third oil-extraction plugging materials.

A fuel composition comprises at least a tetramethylcyclohexane having a quaternary carbon atom in the cyclohexane ring and optionally, a fuel component. The tetramethylcyclohexane can be used as a fuel component or as a fuel additive in the fuel composition. The fuel composition may further comprise a conventional fuel component selected from a diesel fuel, jet fuel, kerosene or gasoline. Methods of making and using the fuel composition are also disclosed.

A nonaqueous solvent for an electricity storage device according to the present invention comprises fluorine-containing cyclic saturated hydrocarbon having a structure which is represented by general formula (1) below and in which one or two substituents R are introduced into a cyclohexane ring (in general formula (1), R is represented by CnX2n+1, n is an integer of 1 or greater, at least one of (2n+1) pieces of X's is F, and the other X's are F or H).

Chlorogenic acid, i.e. 1, 3, 4, 5-tetrahydroxycyclohexanecarboxylic acid-(3, 4-dihydroxycinnamic acid ester), exists in a plurality of plants, and also, high purity chlorogenic acid can be prepared through synthesis. Chlorogenic acid has a lot of biological activity, such as antibacterium, antivirus, antioxidation, antitumor and the like. However, there exists no report and research on oral preparations prepared by high purity chlorogenic acid and application of the preparations in clinics. In the invention, high purity chlorogenic acid is extracted from plants or obtained through synthesis, and is then added with a proper amount of accessories, thus obtaining oral preparations like tablets, capsules, granules, oral solutions, etc. The preparations provided in the invention can be applied in clinics for treating cardio-cerebrovascular diseases, infections, hepatitis B, tumors and other diseases, and also can be used in health care medicines for heat clearing and detoxifying, face nursing and skin moistening, as well as hangover relieving, etc.

A cooling topical cosmetic or dermatological preparation which comprises (1R,2S,5R)-2-isopropyl-5-methyl-N-(2-(pyridin-2-yl)ethyl)cyclohexane carboxamide and / or (1R,2S,5R)-N-(4-cyanomethyl-phenyl)-2-isopropyl-5-methylcyclohexane carboxamide, in combination with menthoxypropanediol.

The invention discloses a spherical SiO2 material with a radial mesoporous structure and a preparation method of the spherical SiO2 material. The preparation method comprises the steps: with an oil-in-water type microemulsion system formed by CTAB, PVP, ethanol, cyclohexane and water as a template and TEOS as a silicon source, hydrolyzing, carrying out condensation polymerization and self-assembling to synthesize a mesoporous material, and calcining to remove organic matters to obtain the required spherical mesoporous SiO2 nanomaterial with the radial mesoporous structure. The mesoscopic orderliness of the material exists in the whole particle, the particle size ranges from 350nm to 650nm, the specific surface area is 975-1114m<2> / g, and the pore diameter is 3.9-4.1nm. The preparation method of the spherical mesoporous SiO2, disclosed by the invention, is relatively simple, simple and efficient in preparation process and good in repeatability; the used raw materials are cheap, easy to obtain and safe. The invention provides a new thought for preparing the spherical mesoporous SiO2.

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 discloses a method for preparing a metal ion adsorbent, and relates to a method for preparing resin with adsorption function on metal ions. The method uses beta-cyclodextrine as a raw material, and uses acrylic acid and acrylamide as copolymerization reactants. The method comprises the following steps of: adding alkali solution of the beta-cyclodextrine and cyclohexane into a reactor, heating the reactor in a water bath and introducing nitrogen into the reactor, and stirring the mixture; and then dropwise adding uniformly stirred solution of initiator, cross linker, acrylic acid and acrylamide into the reactor to perform polymerization reaction, and obtaining the resin with performance of adsorbing the metal ions by heat preservation, cooling, filtering and vacuum drying. The resin prepared by the method has good adsorption effect on heavy metal ions such as copper ions, lead ions, cadmium ions and the like, the metal ion adsorbing capacity of 80 mg / L Cu2+ solution is 107.37 mg / g, the metal ion adsorbing capacity of 80 mg / L Pb2+ solution is 80.04 mg / g, the metal ion adsorbing capacity of 80 mg / L Cd2+ solution is 78,94 mg / g, and the resin can be made into a heavy metal ion wastewater treating agent and has good application prospect in the aspects of removing and reclaiming heavy metal ions.

A topical cosmetic and dermatological preparation for reducing skin reddening which comprises (1R,2S,5R)-2-isopropyl-5-methyl-N-(2-(pyridin-2-yl)ethyl)-cyclohexane carboxamide and / or (1R,2S,5R)—N-(4-cyanomethyl-phenyl)-2-isopropyl-5-methylcyclohexane carboxamide.