248 results about "Heterocyclic amine" patented technology

The invention is directed to a method of polishing a silicon-containing dielectric layer involving the use of a chemical-mechanical polishing system comprising (a) an inorganic abrasive, (b) a polishing additive, and (c) a liquid carrier, wherein the polishing composition has a pH of about 4 to about 6. The polishing additive comprises a functional group having a pKa of about 4 to about 9 and is selected from the group consisting of arylamines, aminoalcohols, aliphatic amines, heterocyclic amines, hydroxamic acids, aminocarboxylic acids, cyclic monocarboxylic acids, unsaturated monocarboxylic acids, substituted phenols, sulfonamides, thiols, salts thereof, and combinations thereof. The invention is further directed to the chemical-mechanical polishing system, wherein the inorganic abrasive is ceria.

The invention relates to a food processing method, in particular to a non-fried production method for grilled chicken. Different heating modes are adopted in the non-fried new process, then fragrant color increasing liquid is applied to the surface of a poultry carcass by selecting a proper method, Maillard reaction is further performed under certain condition, the poultry carcass generates the color similar to that of the traditional grilled chicken, meanwhile, multiple natural flavor substances can be produced, and the fragrance of the product is increased. By adopting the technology, the method realizes modernized technical reformation of the traditional special grilled chicken product processing technique, furthest reduces carcinogenic benzopyrene and heterocyclic amine in the traditional special fried grilled chicken products, avoids illegal colorants, and develops a novel grilled chicken product with good taste, good flavor, good color and high safety.

The invention is directed to a method of polishing a silicon-containing dielectric layer involving the use of a chemical-mechanical polishing system comprising (a) an inorganic abrasive, (b) a polishing additive, and (c) a liquid carrier, wherein the polishing composition has a pH of about 4 to about 6. The polishing additive comprises a functional group having a pKa of about 4 to about 9 and is selected from the group consisting of arylamines, aminoalcohols, aliphatic amines, heterocyclic amines, hydroxamic acids, aminocarboxylic acids, cyclic monocarboxylic acids, unsaturated monocarboxylic acids, substituted phenols, sulfonamides, thiols, salts thereof, and combinations thereof. The invention is further directed to the chemical-mechanical polishing system, wherein the inorganic abrasive is ceria.

Polymeric ionic gels of ionic liquids having melting points below about 100° C. that are formed by the reaction of a heterocyclic amine with about 2.8 and about 3.2 moles of anhydrous hydrogen fluoride per mole of amine nitrogen. Electrochemical devices having non-aqueous electrolytes containing the ionic liquids and polymeric ionic gels are also disclosed.

Ionic liquids having melting points below about 100 C formed by reaction of a heterocyclic amine with about 2.8 and about 3.2 moles of anhydrous hydrogen fluoride per mole of amine nitrogen. Electrochemical devices having non-aqueous electrolytes containing the ionic liquids are also disclosed, as well as silicon oxide etching compositions containing the ionic liquids and etching methods in which silicon oxides are selectively removed by the etching compositions in the presence of aluminum.

A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a substituted diphenylamine and / or a heterocyclic amine and the second antioxidant being a substituted phenol. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a substituted diphenylamine and / or a heterocyclic amine and the second antioxidant being a substituted phenol.

The present invention relates to a composition comprising: (i) an anti-microbial agent comprising a polymeric biguanide, alone or in combination with at least one other microbiologically active component selected from the group consisting of quaternary ammonium compounds, monoquaternary heterocyclic amine salts, urea derivatives, amino compounds, imidazole derivatives, nitrile compounds, tin compounds or complexes, isothiazolin-3-ones, thiazole derivatives, nitro compounds, iodine compounds, aldehyde release agents, thiones, triazine derivatives, oxazolidine and derivatives thereof, furan and derivatives thereof, carboxylic acids and the salts and esters thereof, phenol and derivatives thereof, sulphone derivatives, imides, thioamides, 2-mercapto-pyridine-N-oxide, azole fungicides, strobilurins, amides, carbamates, pyridine derivatives, compounds with active halogen groups, and organometallic compounds; and (ii) an amphoteric co-polymer of the Formula (1): wherein:[A] is of Formula (9), [B] is of Formula (10), [C] is of Formula (12), [D] is of Formula (13), and X is of Formula (11), wherein [A], [B], [C] and [D] may occur in any order; T is an optionally substituted substituent; L, G and Z each independently is an optionally substituted linking group; R1, R2 and R3 are each independently H, optionally substituted C1-20-alkyl or optionally substituted C3-20-cycloalkyl; R4 and R5 are each independently H or C1-4-alkyl; q is 15 to 1000; p is 3 to 50; J is an optionally substituted hydrocarbyl group; F is an acidic substituent; E is a basic substituent; m is 0 to 350; n is 1 to 75; v is 0 to 100; y is 1 to 100; b is 0, 1 or 2; s is 0 or 1; w is 1 to 4; and provided that at least one of R4 and R5 is H.

The use of an aromatic compound substituted with at least one heterocyclic amine and possibly additional substituents, such as medetomidine and clonidine, or a functionally analogous derivative thereof, as an agent for the inhibition of marine biofouling on a surface, by application thereon of said compound, is disclosed. Also a method for inhibition of marine biofouling on a surface by application of said compound is disclosed.

Disclosed is a slurry composition for final polishing of silicon wafers to achieve mirror surfaces of the wafers. The slurry composition can include deionized water, abrasive particles, a pH-adjusting agent, a water-soluble thickener, an acetylene surfactant, and a heterocyclic amine. The particle diameter of the abrasive particles and the contents of the components can be selected so that the slurry composition can markedly reduce the number of LLS defects having a size larger than about 50 nm formed on the surface of wafers, and greatly reduce the haze and microroughness of wafer surfaces.

Ionic gel polymer electrolytes for rechargeable polymer batteries preferably are formed by dissolving a gelling agent into organic liquid electrolytes, and then gelling the precursor in situ at elevated temperature after pouring it into a battery case that contains a cathode, an anode and a separator. The gel polymer electrolytes exhibit excellent ionic conductivity of up to about 10−2 S / cm and voltage stability for lithium rechargeable batteries. Most preferably, the gel polymer electrolyte is the reaction product of (A) a heterocyclic amine-group containing material (preferably a vinvlpyridine), and (B) halide or epoxy-group containing polymers, copolymers, oligomers or monomers that are capable of reacting with nitrogen-containing compounds, such as polymers, copolymers, oligomers or monomers containing alkylene halides or halomethyl group substituted aromatic units or at least one epoxy unit.

The invention relates to a fireproof flame-retardant polyurethane external wall thermal-insulation system material, which is characterized by comprising a moistureproof primer paint, a flame-retardant rigid polyurethane foam material, an interface agent, anti-crack mortar, a fireproof coating and a decorating coating which are arranged sequentially from inside to outside, wherein the flame-retardant rigid polyurethane foam material consists of an component A and a component B; the component A is prepared by mixing 80 to 50 parts by weight of phosphorous flame-retardant polyether polyol, 20 to 50 parts by weight of heterocyclic amine polyether polyol, 2 parts by weight of organic silicon foam stabilizer, 2 parts by weight of dimethylethanolamine catalyst, 1 part by weight of dibutyltin dilaurate catalyst, 20 to 50 parts by weight of flame retardant and 20 to 40 parts by weight of fluoro dichloroethane; the component B is a flame-retardant polyisocyanates curing agent; in the using process, the component A and the component B are mixed and foamed and an isocyanate index is between 1.05 and 1.10. The fireproof flame-retardant polyurethane external wall thermal-insulation system material of the invention has the advantage of having higher fireproof flame-retardant property.

The invention discloses a high-efficiency composite desulphurization solvent and a system and method for removing acidic gas and organic sulfur. The high-efficiency composite desulphurization solvent comprises, by mass, 70-85% of compound amine, 10-20% of a desulfurization enhancer, 10-30% of a physical solvent, 0.01-0.1% of an antifoaming agent, 0.5-2% of a benzylamine anti-oxidant and 0.5-2% of a heterocyclic amine antiseptic. The high-efficiency composite desulphurization solvent has the advantages of large acidic gas load, low sulfur content of purified gas, stable solvent performances and no corrosion on equipment, and can remove most of H2S and a large part of organic mercaptan from mixed gas. The high-efficiency composite desulphurization solvent and the system and method can greatly reduce a gas purification cost and reduce total sulfur content of the purified gas. The high-efficiency composite desulphurization solvent and the system and method can be used for removing H2S, CO2 and organic mercaptan in natural gas, petroleum refinery gas and synthetic gas.

The invention provides 4,5-disubstituted-1,8-naphthoyl imines fluorescent compound with same or different 4,5-position aromatic amine( heterocyclic aromatic amine) substituent as acceptor and naphthoyl imine as chromophore matrix. In organic solvent, 4,5-position is replaced separately by aromatic amine or heterocyclic aromatic amine to produce symmetrical or asymmetric compound with 4-bromo-5-nitro-1,8-anhydride naphthalene as raw materials. The fluorescent compound is used as rate fluorescent probe which can detect the copper ion in buffer solution and has high sensitivity and high selectivity.

A method for inhibiting microbial growth comprises administering an effective amount of a silver complex of a N-heterocyclic amine. A method for treating cancer cells or a method for imaging one or more tissues of a patient includes administering an effective amount of a complex of a N-heterocyclic amine and a radioactive metal. A method for treating urinary tract infections utilizing silver complexes of N-heterocyclic carbenes. N-heterocyclic carbenes of the present invention may be represented by the formula wherein Z is a heterocyclic group, and R1 and R2 are, independently or in combination, hydrogen or a C1-C12 organic group selected from the group consisting of alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, aryl, arylalkyl, alkylaryl, heterocyclic, and alkoxy groups and substituted derivatives thereof.

A curable composition including (a) at least one cyclic diamine, (b) at least one non-heterocyclic amine that has a pKa value of approximately 9.5 to about 12 at 25° C. for the most basic amine group in the non-heterocyclic amine molecule, (c) at least one epoxy resin, and (d) at least one alkylated phenol; (i) wherein the equivalents of the amine hydrogens from the cyclic diamine compared to the total amine hydrogens from both the cyclic diamine and the non-heterocyclic amine in the composition are greater than about 5%; (ii) wherein the ratio of the equivalents of the total amine hydrogens in the composition to the equivalents of the total epoxies in the composition is greater than or equal to about 1; and (iii) wherein the alkylated phenol is in an amount greater than about 10 wt % of the curable composition.

The invention relates application of low-viscosity light-cured resin in 3D (three-dimensional) printing materials. The low-viscosity light-cured resin is (branched) polyether acrylate or heterocyclic amine modified (branched) polyether acrylate. A 3D printing material prepared from the low-viscosity light-cured resin is of low viscosity and high curing speed, is low in curing shrinkage, low in yellowing property, moderate in rigidity and flexibility, high in forming speed and high in product dimensional precision, is free of curing incompleteness, edge warping and the like, and is very suitable for being applied to 3D printing materials based on the SLA (stereolithography) or 3DP (three-dimensional printing) technology.

The invention relates to the field of biological medicine, and concretely relates to bicyclic heterocyclic amine compounds, and the compounds are a new Hedgehog inhibitor and pharmaceutically acceptable salts shown as a general formula (I). The compounds can be used as a Hedgehog signal conduction inhibitor applied to multiple medical applications.

The invention relates to a covalent organic framework membrane with high rejection rate as well as raw material composition and preparation method thereof. The raw material composition comprises a water-phase monomer solution, an organic-phase monomer solution and a modified solution, the water-phase monomer solution comprises 0.01-2% by mass of a water-phase monomer, an acid regulator and the balance of water, wherein the water-phase monomer is selected from one or more of diamine or polyamine; the organic phase monomer solution comprises 0.01-2% by mass of an organic phase monomer and the balance of an organic solvent, and the organic phase monomer is selected from one or more of dialdehyde or polyaldehyde; the modifying solution comprises a modifying agent with the mass fraction of 0.01-5%, an oxidizing agent with the mass fraction of 0.01-3%, an acid-base regulator and the balance of water, wherein the modifying agent is selected from one or more of arylamine, heterocyclic amine or polyphenol. The covalent organic framework membrane provided by the invention improves the interception performance on small molecules, and has large permeation flux and good long-term operation stability.

A process for forming neutral late transition metal chelates useful as polymerization catalysts comprising contacting a bidentate ligand forming compound that is free of electron-withdrawing groups with a di(tertiary amine) late transition metal reagent in the presence of an inert liquid, an olefinic monomer or a polar liquid selected from nitrites, ethers, aromatic heterocyclic amines, alcohols, nitroalkanes, nitroaromatics or mixtures thereof. The process provides a solid product or a solution of a storage stable transition metal bidentate ligand containing catalyst product which remains active for an extended storage period. Alternately, the present process can be conducted in situ in a polymerization zone of olefinic polymerization.

The invention relates to a method for analyzing heterocyclic amine compounds in mainstream cigarette smoke. The method is characterized in that the analytic method utilizes a cambridge filter to trap the heterocyclic amine compounds in the mainstream cigarette smoke; the heterocyclic amine compounds are extracted by a HCL / methanol solution, are purified through an MCX ion exchange column, condensed and detected by liquid chromatography-tandem mass spectrometry (HPLC-MS / MS); and the contents of the main heterocyclic amine compounds in the mainstream cigarette smoke are mensurated. Compared with the prior method for analyzing the heterocyclic amine compounds in the mainstream cigarette smoke, the analytic mensuration method does not need a complicated sample treatment step, does not need to derive a sample, has high sensitivity, good repeatability and reclaiming rate, and is suitable for analyzing the samples with large batches.

A curable composition including (a) at least one cyclic diamine, (b) at least one non-heterocyclic amine that has a pKa value of approximately 9.5 to about 12 at 25° C. for the most basic amine group in the non-heterocyclic amine molecule, (c) at least one epoxy resin, and (d) at least one alkylated phenol; (i) wherein the equivalents of the amine hydrogens from the cyclic diamine compared to the total amine hydrogens from both the cyclic diamine and the non-heterocyclic amine in the composition are greater than about 5%; (ii) wherein the ratio of the equivalents of the total amine hydrogens in the composition to the equivalents of the total epoxies in the composition is greater than or equal to about 1; and (iii) wherein the alkylated phenol is in an amount greater than about 10 wt % of the curable composition.

An ethyl dispersion pigment containing cyanoxethyl is made from diazocomposition of benzene ring or heterocyclic ring amine, -H-CH3 and -CH-C2H5. The process for preparing the pigment includes diazotizing diazomposition, reacting on diazotized material with coupling composition to produce dispersion pigment. The produced pigment can be single structure and also can be synthetized directly to be mixed structure or reprepared to be mixed structure when it is sold as commodity with colours from red orange to blue.

The present invention relates to a process for preparing 2α-methyl-2β-substituted methyl penam derivatives from cepham derivatives, more particularly the present invention provides a novel process for preparing 2β-heterocyclyl methyl penam derivatives of the formula (I) by reacting a cepham compound with a heterocylic amine to form an intermediate compound, and oxidizing the intermediate compound to produce the 2β-heterocyclyl methyl penam derivatives of the formula (I), wherein R1 represents carboxylic acid protecting group; R2 and R3 may be same or different and independently represent hydrogen, halogen, NH2, acylamino, phthalimido with a proviso that both R2 and R3 are not NH2, acylamino, phthalimido; Het represents a 5 or 6 membered nitrogen containing heterocycle ring system having one or more heteroatoms selected from O, S, or N.

The invention discloses a method for simultaneously detecting acrylamide and heterocyclic amine in food. The method comprises the following steps of: carrying out pre-treatment on a sample by adopting an accelerated solvent extraction technology; and carrying out qualitative and quantitative detection by adopting the combination of an ultra-high performance liquid chromatography and an ion trap-flight time tandem mass spectrum. According to the method disclosed by the invention, the acrylamide and the heterocyclic amine in the food can be simultaneously detected and the detection effect can be improved by optimizing conditions of an extraction temperature for extracting an accelerated solvent, an extracting solvent and the like, and optimizing the conditions of the ultra-high performance liquid chromatography and the ion trap-flight time tandem mass spectrum; and a detected result is accurate.

The invention relates to a preparation method of roast beef, belonging to the field of processing of animal products. The preparation method comprises the following steps: firstly, preparing a roast liquid; then, salting beef; injecting saline and kneading; then, preparing roast beef; and finally packaging. According to the preparation method, components such as sugar and amino acids permeate into the beef by injecting saline to the beef and kneading the beef, so that the flavor of the product is improved. Meanwhile, compared with conventional products, the contents of harmful substances heterocyclic amine and 3, 4-benzopyrene are extremely reduced, and the environmental pollution is reduced.

The invention discloses a non-smoked, non-fried, non-carbonado and non-salt-boiled meat product processing method, which comprises the following steps of: curing salted fresh meat for 15 to 45 minutes through hot air under the temperature of 90 to 100 DEG C, spraying a flavor intensifier on the surface of the cured meat product, and then increasing the temperature to 120 to 130 DEG C to be maintained for 20 to 40 minutes, wherein the fresh meat is poultry meat, livestock meat or fish meat. By utilizing the flavor intensifier based on a Maillard reaction oriented control technology, the meat product has unique color and flavor. According to the method, harmful substances such as benzo[alpha]pyrene and heterocyclic amine in the meat product can be obviously reduced.

The invention relates to a preparation method for roast pork, and belongs to the field of animal product processing. The preparation method comprises the following steps: a roasting liquid and ingredients for pickling are prepared firstly; pork is pickled; the roast pork is prepared; the roast pork is packaged finally. According to the invention, compared with the conventional products, the preparation method greatly reduce the content of harmful substances such as benzopyrene and heterocyclic amine, the emission of roasting fumes and PM 2.5, and pollution to environment.

The invention discloses a magnetic heterocyclic amine molecularly imprinted polymer and a preparation method thereof. The magnetic heterocyclic amine molecularly imprinted polymer which takes heterocyclic amine as a template molecule and methacrylic acid (MAA) as a functional monomer is prepared by the method; the characteristics of the molecularly imprinted polymer are fully combined with those of the magnetic material; the magnetic heterocyclic amine molecularly imprinted polymer has the advantages of high selectivity, large adsorption capacity, rapid separation speed, high anti-interference capability and the like, and is suitable for analyzing heterocyclic amine in food and environment.

A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a substituted diphenylamine and / or a heterocyclic amine and the second antioxidant being a substituted phenol. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a substituted diphenylamine and / or a heterocyclic amine and the second antioxidant being a substituted phenol.