401 results about "Amidogen" patented technology

The invention relates to the technical field of oil exploitation, and discloses a compound containing an amide group as well as a preparation method and application thereof. The compound containing the amide group has a structure as shown in a formula (1). The polymer obtained by polymerizing the compound can improve the water-drive recovery efficiency of conventional oil reservoirs and common heavy oil reservoirs. # imgabs0 #

The invention relates to the technical field of low-carbon olefin hydration, and discloses a modified hydrated filler as well as a preparation method and application thereof. The modified hydrated filler comprises a filler matrix, and a silane layer, a modified layer A and a modified layer B which are sequentially coated on the outer surface of the filler matrix from inside to outside, the modified layer A contains a pyrrolyl group, an amido group and a furyl group; the modified layer B contains phenoxy, pyrrolyl, furyl, sulfonic acid group, phosphate group and acylamino. The modified hydrated filler provided by the invention can obviously improve the mixing effect of water and alkene and promote the improvement of the yield of low-carbon alcohol.

The invention belongs to the technical field of organic matter preparation, and discloses an amide-containing isoxazoline derivative as well as a preparation method and application thereof. According to the invention, chemical modification and molecular design are carried out on the compound with an isoxazoline structure, and a substituent group is introduced to N of an amide group, so that a series of efficient compounds which can be used for killing insects or mites in agriculture or forestry and have excellent activity are obtained, and particularly, the compounds have very good biological activity on lepidoptera, hemiptera and other pests. When being used at an extremely low concentration, the compound disclosed by the invention also shows an excellent control effect on various pests or pest mites, has insecticidal or acaricidal activity in each stage (such as eggs, larvae (nymphs), pupae and adults) of the life cycle of the pests or pest mites, and has an excellent control effect on the pests or pest mites which have drug resistance to traditional insecticides or acaricides. And the composition also shows excellent control activity.

A photobase generator includes a compound including: first skeletons represented by the following formula (a); and a second skeleton including nitrogen atoms bonding to bonding positions of the first skeletons to form amide groups, wherein, in a molecule, a number of the first skeletons is two or more, a number of the nitrogen atoms, configuring the amide groups, in the second skeleton is the same as the number of the first skeletons, and at least one of the nitrogen atoms configuring the amide groups is converted into a nitrogen atom configuring a secondary amine or a tertiary amine by light irradiation. In the formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.

The present disclosure relates to a preparation method for a composite quaternary ammonium salt cationic collector and a use of the preparation method. The method comprises: adding halogenated alkyl into alkyl tertiary amine containing amide groups for a quaternization reaction to obtain an intermediate; and adding a catalyst into the intermediate for a catalytic reaction to obtain a first mixture, adding alkyl benzylamine into the first mixture for an amidation reaction to obtain a second mixture, and carrying out desalination treatment on the second mixture to obtain a composite quaternary ammonium salt cationic collector, wherein a molar ratio of the alkyl tertiary amine to the halogenated alkyl to the alkyl benzylamine is (1-1.4):(0.8-1.2):(1-1.4).

The invention relates to an epoxy hardener as well as a preparation method and application thereof. The epoxy hardener is prepared from ring-containing anhydride A, diamine B with a long polyether chain and active diamine D through reaction. The epoxy curing agent is endowed with relatively high rigidity by the annular structure of the epoxy curing agent; two amide groups are close to each other and are located on a V-shaped tooth-shaped structure, two close chains contain active hydrogen and nitrogen atoms which can react with the same epoxy resin molecule to form a new cross-linked ring structure, and a filler in the epoxy resin composition can be embedded into the new ring structure to improve the rigidity of the epoxy resin composition; the long polyether chain endows the epoxy curing agent with relatively high viscosity and toughness, and the impact strength of a cured product is improved; the active diaminobutyl improves the reaction rate of the epoxy curing agent, so that the epoxy resin composition has shorter surface drying time.

The invention relates to the field of water treatment, in particular to a composite material with polyfunctional groups and a preparation method and application thereof.The composite material with the polyfunctional groups contains at least two groups including carboxyl, amino, amido and hydroxyl and at least one group including sulfo and nitro; the composite material contains a cross-linked compound of a polymer I and a polymer II, and the polymer I is a carbon chain polymer and contains at least one group including a sulfonic acid group and a nitro group; and the polymer II is at least one of chitosan and a derivative thereof, and chitin and a derivative thereof. The composite material with multiple functional groups is preferably a composite fiber, has a synergistic adsorption effect of multiple functional groups, can effectively adsorb a complex heavy metal ion system in a water body, and is a heavy metal ion adsorbent which is high in adsorption efficiency, large in adsorption quantity and wide in applicable temperature range.

The invention relates to a core-shell type chromatographic stationary phase material. The core-shell type chromatographic stationary phase material comprises spherical silicon dioxide and a covalent organic framework which coats the spherical silicon dioxide and contains an amide group. The preparation method comprises the following steps: firstly preparing modified silicon dioxide microspheres, then coating the surfaces of the silicon dioxide microspheres with a covalent organic framework through surface in-situ growth, and finally modifying the self-polycondensation covalent organic framework through oxidation reaction to obtain the self-polycondensation covalent organic framework material containing amide groups. The pore diameter of the material is 5-15 nanometers of mesopores, hydrophilic oligosaccharide substances can be separated, radix morindae officinalis oligosaccharide can be separated, and the material has good separation performance. The preparation steps are simple, the reaction conditions are mild, the method is simple and convenient, and good preparation reproducibility and stability are achieved.

A resist underlayer film, which, while exhibiting excellent resistance to a resist developer which is a resist solvent or an alkaline aqueous solution, exhibits removability, and preferably solubility, only in wet etching chemicals. This composition for forming a resist underlayer film contains a solvent, a heterocyclic compound having a dicyanostyryl group, a cyclic compound including an amide group, for example, and the reaction product of a heterocyclic compound precursor having an epoxy group and an active proton compound, for example.

The invention relates to a chiral pyridinium salt carbonyl catalyst as well as a preparation method and application thereof, the structural general formula of the catalyst is # imgabs0 #, in the formula, R1 is # imgabs1 #, X1-6 comprises N or C-R6-11; r2, R4 and R6-11 comprise hydrogen, alkyl of C1-24, alkyloxy, # imgabs2 # CO2Rd, halogen, nitryl, cyano or trifluoromethyl; r3 comprises substituted or unsubstituted C1-24 alkyl groups, substituent groups comprise halogen, C1-10 alkyl groups, C3-10 cycloalkyl or aryl groups, C1-8 carbonyl groups, C1-8 sulfonyl or phosphoryl groups, and C1-10 alkoxy or amido groups, and carbonyl groups comprise aldehyde groups, ketone carbonyl groups, ester carbonyl groups, carboxyl groups or amido groups; and R5 has the structural formula of # imgabs3 # X <-> which is an anion. Compared with the prior art, the catalyst disclosed by the invention is used for a bionic aldol reaction of amino acid derivatives to synthesize a series of beta-hydroxyl-alpha-amino acid compounds with extremely high enantioselectivity.

To provide a metal separation method that can efficiently separate and / or recover a metal which is desired to be separated and / or recovered, from an aqueous solution containing the metal.SOLUTION: The metal separation method is provided that includes a process of bringing the aqueous solution containing the metal into contact with a metal separation agent which contains a salt represented by the following formula (I) (component A), thiocyanic acid (component B) and a water-insoluble organic solvent (component C), and separating the metal from an aqueous phase to an organic phase. In the formula (I), R1 is a hydrocarbon group which has 6 or more and 22 or less carbon atoms, and may have an ester group, an amide group and / or an ether group; R2 and R3 are each independently a hydrocarbon group which has 6 or more and 22 or less carbon atoms and may have an ester group, an amide group and / or an ether group, or an alkyl group which has 1 or more and 4 or less carbon atoms and may have a hydroxyl group; R4 is an alkyl group having 1 or more and 6 or less carbon atoms, or a hydrogen atom; and X- is an anion.SELECTED DRAWING: None

The invention relates to an acridine sulfonamide carboxylic acid derivative as well as a preparation method and application thereof, and the preparation method comprises the following steps: in an alkaline environment, acridine sulfonamide and amino acid or an amino acid derivative are subjected to amidation reaction in an organic solvent, and the acridine sulfonamide carboxylic acid derivative is obtained after purification; wherein the acridine sulfonamide carboxylic acid derivative has two acridine sulfonamide-like groups, and the two acridine sulfonamide-like groups are connected through the amino acid or the amino acid derivative. The yield of the preparation method exceeds 70%, and the luminous efficiency of the prepared acridine sulfonamide carboxylic acid derivative is higher and is about two times that of acridine sulfonamide NSP-SA-NHS.

The invention relates to self-nucleation modified polylactic acid, which has the characteristics of a hydrogen bond induction effect of an amide group, an intramolecular plasticizing effect of a hydrocarbon chain, local eutectic of PDLA-PLLA and the like, so that rapid crystallization can be realized through a multiple synergistic nucleation mechanism. Therefore, rapid crystallization of polylactic acid can be realized under the condition that a nucleating agent does not need to be added. The invention further relates to a preparation method of the self-nucleation modified polylactic acid, the method can directly utilize an existing production line, a nucleating agent does not need to be added in the process through secondary processing modes such as screws and internal mixing, and the method is suitable for industrial large-scale production.

The present invention provides a degradable crosslinking agent that has high solubility in a solvent and is not susceptible to poor curing. The present invention is a crosslinking agent comprising a compound represented by formula (1) (In formula (1): n ≥ 0, k ≥ 0, and m ≥ 0; R1, R2, and R3 independently include, at a terminal end, one or more reactive functional groups selected from the group consisting of a hydroxyl group, an amino group, a hydrazide group, a thiol group, an isoprenyl group, a crotonamide group, a crotonate group, a carboxylic acid, an acid anhydride group, a vinyl group, an allyl group, an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a hydroxysilyl group, an epoxy group, an oxetane group, an oxazoline group, an isocyanate group, a carbodiimide group, a methylol group, a silanol group, and an alkoxysilyl group, and includes a single bond, a group including a siloxane structure, or a hydrocarbon group which may have a substituent or a hetero atom; A1 to A8 are independently a carbonyl group or a single bond, and at least one of A1 and A2 is a carbonyl group, at least one of A3 and A4 is a carbonyl group, at least one of A5 and A6 is a carbonyl group, and at least one of A7 and A8 is a carbonyl group; and each Z is independently a group containing a siloxane structure or a hydrocarbon group which may have a hetero atom.) (a) When n = 0, R1 and R2 are different; (b) when n ≥ 1 and k = 0, (b-1) R1 and R2 are different, and / or (b-2) at least one Z having an asymmetric structure is included; and (c) when n ≥ 1 and k ≥ 1, at least one of (c-1) R1, R2, and R3 is different, and / or (c-2) at least one Z having an asymmetric structure Z is included.

The invention relates to the technical field of oilfield exploitation, and discloses a preparation method of a drag reducer for a high-salt-resistance fracturing fluid. According to the preparation method, methacrylamide, acrylic acid, N-allyl imidazole, naphthyl modified sulfo modified morpholine derivatives and quaternary ammonium salt modified triazinyl pyrrolidone are polymerized in water, washed and dried, and the drag reducer for the high-salt-resistance fracturing fluid is obtained. The sulfonate radical enhances the solubility of the polymer, and enables the molecular chain skeleton of the polymer to carry more negative charges, so that the molecular chain is not easy to curl, and the salt resistance and shear resistance are improved; a hydrophobic association structure formed by introducing a long carbon chain and naphthyl on a polymer molecular chain is beneficial to association among molecules under the action of external salt, so that the salt-resistant and shear-resistant effects are enhanced; a steric effect generated by a pyrrole group, a morpholine group and a triazine group can limit hydrolysis of a primary amide group of a main chain, so that the salt resistance is improved; the quaternary ammonium salt group can increase the rigidity of a molecular chain, so that the anti-shearing performance is improved.

The invention discloses a preparation method, an intermediate and application of menochromone. The preparation method comprises the following steps: reacting 4-bromopyrrole-2-carboxylic acid with propargylamine to generate 4-bromo-N-propynyl pyrrole-2-formamide; the preparation method comprises the following steps: reacting 4-bromo-N-propinyl pyrrole-2-formamide with pinacol borane to generate a mixture; reacting the mixture with 2-(t-butyloxycarboryl amino)-5-iodo-1H-imidazole to generate (E)-(5-(3-(4-bromo-1H-pyrrole-2-formamido) prop-1-ene-1-yl)-1H-imidazole-2-yl) tert-butyl carbamate, and reacting the (E)-(5-(3-(4-bromo-1H-pyrrole-2-formamido) prop-1-ene-1-yl)-1H-imidazole-2-yl) tert-butyl carbamate with the tert-butyl carbamate; and reacting the (E)-(5-(3-(4-bromo-1H-pyrrole-2-formamido) prop-1-ene-1-yl)-1H-imidazole-2-yl) tert-butyl carbamate with a dioxane hydrochloride solution, so as to generate the menochromone. The invention provides a preparation method of menosin, which is short in synthetic route, simple and convenient to operate, high in product yield and suitable for industrial production.

The invention discloses amino-terminated hyperbranched polyamide acid as well as a preparation method and application thereof. The amino-terminated hyperbranched polyamide acid is formed by polymerizing an aromatic anhydride monomer, an aromatic triamine monomer and an aromatic diamine monomer; the mole numbers of the aromatic anhydride monomer, the aromatic triamine monomer and the aromatic diamine monomer are a, b and c respectively, a: (b + c) = 1: 1-1: 1.5, and the proportion of b to c is any proportion. The amino-terminated hyperbranched polyamide acid disclosed by the invention not only has abundant terminal amino groups, but also contains a large number of polar groups such as ether bonds, imidazole rings, amide groups and carboxyl groups in molecular chains. Therefore, a stable water-based colloid emulsion can be formed in the presence of water and a small amount of organic solvent, other auxiliaries are not needed, and the interface performance and the mechanical performance of the composite material can be greatly improved.

The invention discloses polyhedral oligomeric silsesquioxane containing an amido bond and a hindered phenol functional group as well as a preparation method and application of the polyhedral oligomeric silsesquioxane. The structural formula of the polyhedral oligomeric silsesquioxane is one or more of the following formulas I-III, r1 and R2 are independently selected from at least one of hydrogen, alkyl, alkoxy, hydroxyalkyl, cycloalkyl, cycloalkyl alkyl, aryl, aralkyl, heterocyclic radical, heterocyclic radical alkyl, carboxyl, ester group, acylamino, amino, amido, halogen, nitro, cyano, oxycarbonyl and aminocarbonyl; and R3 and R4 are independently selected from alkylene with 0 to 20 carbons. The polyhedral oligomeric silsesquioxane containing the amido bond and the hindered phenol functional group prepared by the preparation method disclosed by the invention is high in hindered phenol functional group content and small in size, long-term and efficient protection can be realized under a low addition amount, and the thermo-oxidative aging resistance of a polymer is effectively improved.

In one embodiment there is provided a metal separation method that can efficiently separate and / or recover, from a metal-containing aqueous solution, a metal for which separation and / or recovery is desired.　In one embodiment, the present disclosure relates to a metal separation method for separating, or separating and recovering, a metal from a metal-containing aqueous solution, wherein the metal separation method comprises a step for bringing a metal-containing aqueous solution into contact with a metal separation agent containing a salt (component A) represented by formula (I), thiocyanic acid (component B), and a water-insoluble organic solvent (component C), and separating a metal from the aqueous phase into the organic phase. In formula (I), R1 is a C6-C22 hydrocarbon group which may have an ester group, an amide group, and / or an ether group; R2 and R3 are each independently a C6-C22 hydrocarbon group which may have an ester group, an amide group, and / or an ether group, or a C1-C4 alkyl group which may have a hydroxyl group; R4 is a C1-C6 alkyl group or a hydrogen atom; and X- is an anion.

An amido group-containing monomer composition contains 80.00 to 99.99 mass % of an amido group-containing monomer (a) of the following formula (1) and 0.01 to 20.00 mass % of a metal chelate complex (b) having carbonyl group as a ligand:wherein R1 represents a hydrogen atom or a methyl group, R2 represents a hydrocarbon group having a carbon number of 1 to 6, R3 represents a hydrocarbon group having a carbon number of 1 to 23, and R4 represents hydrogen or a methyl group.

The purpose of the present invention is to provide an industrially preferred method for producing a p-toluenesulfonate of 7-(2,3-difluoro-4-(2-((2-methoxyethyl)(methyl)amino)ethoxy)benzyl)-10-hydroxy-6-methyl-N-(4-methyl-2-(6-methylpyrimidin-4-yl)phenyl)-8-oxo-6,7-diazaspiro[4,5]dec-9-ene-9-carboxamide, which enables a target product to be obtained more inexpensively and easily as compared to conventional methods.The present invention has attained a method which enables a target product to be efficiently obtained by a step of preparing wet powder of a p-toluenesulfonate of 7-(2,3-difluoro-4-(2-((2-methoxyethyl)(methyl)amino)ethoxy)benzyl)-10-hydroxy-6-methyl-N-(4-methyl-2-(6-methylpyrimidin-4-yl)phenyl)-8-oxo-6,7- diazaspiro[4,5]dec-9-ene-9-carboxamide, and a step of drying the wet powder.

The invention discloses a compound and application thereof, and belongs to the technical field of medicinal chemistry. The structure of the compound is shown as a formula I. In the formula I, A ring is selected from C6-C12 aryl or C5-C6 cycloalkyl; r1 and R2 are independently selected from one or more of hydrogen, C1-C10 straight chain or branched chain alkyl, C3-C6 naphthenic base, C1-C10 alkoxy, substituted C1-C10 straight chain or branched chain alkyl, substituted C3-C6 naphthenic base, substituted C1-C10 alkoxy, amino, halogen, nitrile group and nitryl; m and n respectively represent the numbers of R1 and R2, m + n = 5, and m > = 1; l is selected from a thioformamido group, a formamido group, a sulfonyl group, a sulfonamido group, a sulfonylurea group, an ester group or a carbonyl group. The compound is unique and novel in structure, and has relatively strong inhibitory activity and excellent analgesic effect as a TRPV1 inhibitor. # imgabs0 #

To provide a coating composition and a coating film having simultaneously long-term corrosion resistance and long-term hydrophilicity, and a microchannel type heat exchanger using the same.SOLUTION: A coating composition contains 10 to 40 wt.% of a hydrophilic resin, 1 to 10 wt.% of a metal compound, 0.5 to 5 wt.% of an amide-based crosslinking agent, 1 to 5 wt.% of a phosphoric acid-based compound, 0.1 to 3 wt.% of a preservative, and the balance water.SELECTED DRAWING: Figure 1

The invention deals with a composition comprising a liquid carrier, which is liquid at a temperature of 23 °C, a block co-polymer comprising at least one block (A) wherein block (A) comprises at least one amide group and at least one block (B) having no amide groups, dissolved in the liquid carrier, wherein block (A) does not contain aromatic groups, and an ionic compound, wherein the ionic compound comprises at least one of CaCl2, MgCl2, SrCl2, ZnCl2, carbamimidoylazanium chloride, NaSCN, NaBr, dissolved in the liquid carrier.

One embodiment of the nonlinear light-absorbing material disclosed herein comprises a compound represented by the following formula (1) as its main component. In formula (1), R 1 ~R 10 Each group can be a hydrogen atom, halogen atom, saturated hydrocarbon group, haloalkyl group, unsaturated hydrocarbon group, hydroxyl group, carboxyl group, alkoxycarbonyl group, aldehyde group, acyl group, amide group, nitrile group, alkoxy group, acyloxy group, thiol group, alkylthio group, sulfonic acid group, acylthio group, alkylsulfonyl group, sulfonamide group, primary amino group, secondary amino group, tertiary amino group, or nitro group.

The application discloses a platinum complex with controllable activity and a preparation method and application thereof, which is formed by coordination of vinyl siloxane, modified ligand and chloroplatinic acid; the modified ligand is prepared by reaction of maleic anhydride, allylamine and hydroxymethyl dimethyl phosphite. The application introduces amide groups and phosphite groups into the molecular chain of maleic anhydride, uses the groups as coordination compounds to coordinate with vinyl siloxane and platinum, and can improve the normal-temperature storage stability of the platinum catalyst while still keeping high catalytic activity of the platinum catalyst on the hydrosilylation reaction; when the platinum complex is used for catalyzing preparation of addition-type liquid silicone rubber, no inhibitor needs to be added, and the silicone rubber has good mechanical properties.

The present disclosure provides a production method for an amide group-containing monomer. With the present disclosure, an amide group-containing monomer in which the amount of impurities is low is efficiently produced, the production method including a transesterification reaction step for obtaining an amide group-containing monomer represented by a formula CH2═C(—R11)C(═O)O—Y1—NHC(═O)—R12 (in the formula, R11 is a hydrogen atom, a monovalent organic group, or a halogen atom, Y1 is a 2-4 valent hydrocarbon group having 1-6 carbon atoms, and R12 is a monovalent hydrocarbon group having 6-40 carbon atoms) from an amide group-containing alcohol represented by a formula HO—Y1—NHC(═O)—R12 (in the formula, Y1 is a 2-4 valent hydrocarbon group having 1-6 carbon atoms and R12 is a monovalent hydrocarbon group having 6-40 carbon atoms), wherein the total amount of Na, K, and Li present as impurities of the amide group-containing alcohol is equal to or less than 300 ppm.

The application discloses a kind of high selectivity nanofiltration composite membrane and preparation method thereof, belong to nanofiltration membrane related technical field.The application is in the form of in-situ polymerization with anhydride, ester group, amide group on membrane surface, the degree of hydrolysis of polyamide membrane is controlled by the cleaning of post-processing solution, to control the charge density of membrane surface, to improve or reduce the permeability of monovalent ion;By controlling the ratio of trimesoyl chloride and diacyl chloride monomer, the size of pore structure can be adjusted, further improving the permeability of monovalent salt;By adjusting the amount of hydrophilic pore-forming agent to improve the hydrophilic performance of ultrafiltration base film, the flux and monovalent salt permeability of nanofiltration composite membrane are improved.The high selectivity nanofiltration composite membrane prepared by the application has excellent divalent salt ion removal rate, lower monovalent salt removal rate, and higher water flux, suitable for industrial production.

The invention relates to the technical field of electrochemistry, in particular to a method for improving the charge-discharge performance of a tin-air battery. A trace amount of urea is added into the electrolyte and the carbon cloth substrate is pretreated, so that amide groups (C = O and-NH) in urea molecules can interact with the carbon cloth substrate, and two H atoms of urea tend to be oriented towards two O atoms of Sn (OH) 3-, so that adsorption of Sn (OH) 3-on the carbon substrate in the electrolyte is enhanced; the problems of tin death, hydrogen evolution and the like of a current tin-air battery charge-discharge anode are solved, the service life of the battery is prolonged, the reliability of the battery is improved, low-cost and high-performance development of the tin-air battery can be promoted, and the commercialized application process of the tin-air battery is greatly promoted.

A coated article comprises an article, and one or more amide based coatings on an outer surface of the proppant particle, the amide based coating include the reaction product of an isocyanate component that includes at least one isocyanate and a carboxylic acid component that includes one or more poly-carboxylic acids.