248 results about "Alkyl amine" patented technology

The invention discloses a synthesis method of amphiphilic quantum dots and application of the amphiphilic quantum dots in nano oil displacement, and belongs to the field of nano oil displacement. The synthesis method comprises the following steps: heating a mixture containing a carbon source and a nitrogen source in an air atmosphere for reaction, and centrifuging, filtering and drying a reaction product to obtain the amphiphilic quantum dots, the carbon source is selected from at least one of glucose, mannose, citric acid, lignin, chitosan and starch; the nitrogen source is selected from at least one of alkylamine, and the carbon chain length of the alkylamine is C6 to C12. The synthesis method is simple, heating of a high-pressure reaction kettle is not needed, the technological process is simple, and the method is suitable for large-scale industrial production; the series of amphiphilic carbon quantum dots show better solubility and higher absolute fluorescence quantum yield in water and various organic solvents.

The disclosure relates to compositions, including ready-to-use spray or wipe compositions, that are non-toxic, non-corrosive, biodegradable acidic antimicrobial compositions that exhibit broad-spectrum antimicrobial efficacy, wherein the compositions comprise an amine oxide, such as an alkyl amine oxide, in combination with an acidulant. Beneficially, the acidic antimicrobial compositions are capable of achieving at least a 3-log microbial reduction within 5 minutes under relatively mild pH conditions. The compositions provide cleaning and sanitizing.

The invention belongs to the field of biological refining of grease, and particularly relates to a grease degumming method based on a phospholipase micromotor reactor. The invention discloses an enzymatic degumming method of edible vegetable oil, algal oil and animal fat, which aims at the pain points of low degumming efficiency, long time consumption, easy enzyme inactivation and difficult recovery of the traditional enzymatic degumming, designs core-shell mesoporous silica microspheres, adopts an emulsion method to respectively graft alkyl and alkylamine on two sides of the microspheres, constructs a Janus carrier with asymmetric chemical environment, and improves the degumming efficiency of the edible vegetable oil, the algal oil and the animal fat. And immobilizing phospholipase A1, A2, B or C through physical adsorption to prepare the phospholipase micromotor reactor. In the degumming process, a micromotor cooperates with an interface activation-enhanced mass transfer-dynamic self-cleaning mechanism, self-driven movement in an interface micro-scale range is realized by virtue of a substrate concentration gradient, the enzyme activity and stability of phospholipase are remarkably improved, and efficient degumming of grease is realized. The method is high in oil yield, green in process and suitable for industrial popularization.

The present disclosure provides cellulose based adsorbents and their use in removing impurities from liquids, including water. The celluloses are alkylamine functionalized celluloses which may be contacted with a liquid, including water, to remove impurities therefrom.

The invention discloses an acceptor material containing a part of fluorinated side chain aza fused ring as well as a preparation method and application of the acceptor material. The structural general formula of the acceptor material containing the part of fluorinated side chain aza fused ring is as shown in formula I, wherein R1 and R2 are selected from C1-C30 part of fluorinated alkyl; and EG1 and EG2 are any one of cyano indanone compounds. The preparation method comprises the following steps: carrying out Schpeller coupling reaction on a compound 1 and a compound 2 to obtain a coupling compound 3; the compound 3 and alkylamine R2NH2 are subjected to a Buchwald-Hartwig ring closing reaction, and a fused ring compound 4 is obtained; the compound 4 is subjected to a vilchmidt-hauck hydroformylation reaction to obtain a compound 5; the compound 5 and a terminal group EG are subjected to a Knoevenagel condensation reaction to obtain a final acceptor material. The acceptor material with the near-infrared absorption function is prepared, the spectrum capture range of an organic solar cell is widened, and the performance of a laminated device and a semitransparent device can be improved. Formula I.

The invention discloses a flotation collecting agent formula based on quartz, a preparation method and an extraction method. The flotation collecting agent formula comprises a cation collecting agent and an anion collecting agent which are used in cooperation. Wherein the cation collecting agent is prepared from the following components in parts by weight: 10 to 40 parts of dodecyl amine, 10 to 40 parts of coconut oil alkylamine, 2 to 8 parts of dodecyl trimethyl ammonium chloride, 1 to 4 parts of a nonionic surfactant, 2 to 8 parts of ethanol and 5 to 10 parts of hydrochloric acid; the anion collecting agent comprises a sulfonate surfactant; the use of hydrofluoric acid is greatly reduced, fluorine pollution is reduced, the anionic collector and the cationic collector are compounded to play a synergistic role, implementation can be carried out under the weak acid condition, agent preparation and process control are simple and convenient, the agent dispersity is good, temperature and ore property fluctuation can be adapted, the flotation selectivity and recovery rate of quartz and feldspar can be remarkably improved, and the flotation efficiency is improved. The resource utilization value of the tailings is improved.

The present invention provides functionalized molybdenum disulfide nanosheets and a preparation method and application thereof. The preparation method comprises the following steps: mixing a solvent, 1 part by weight of thioctic acid, and 5 to 10 parts by weight of a first compound for 2 to 4 hours to obtain a mixture; adding 0.05 to 0.1 parts by weight of 1-hydroxybenzotriazole to the mixture, mixing for 24 to 48 hours, and drying to obtain an intermediate product; and ultrasonically treating or heat-treating the raw material-solution system to obtain the functionalized nanosheets, wherein the raw material-solution system comprises 5 to 10 parts by weight of molybdenum disulfide nanosheets, 1 part by weight of the intermediate product, and brine; and the first compound comprises an oxirane group and an alkylamine chain, wherein the alkylamine chain has 12 to 18 carbon atoms and the oxirane group has 2 to 15 carbon atoms. A nanofluid prepared from the functionalized molybdenum disulfide nanosheets can reduce oil / water interfacial tension, has good stability, significantly improves the recovery rate of low-permeability oil reservoirs, and reduces costs.

The present invention provides a substrate processing liquid for etching silicon oxide on a substrate, the substrate processing liquid containing (a) hydrogen fluoride and (b) a monoalkylamine or a monoalkylamine salt. The amount of the hydrogen fluoride is 10 wt% or less, the amount of the monoalkylamine or monoalkylamine salt is 0.0001 wt% to 0.1 wt%, and the monoalkylamine or monoalkylamine salt has a linear alkyl group having 12 to 14 carbon atoms. The substrate processing liquid can efficiently form a narrow space by etching.

The invention belongs to the technical field of antirust agents, and particularly relates to an imidazoline derivative as well as a preparation method and application thereof. The structural general formula of the imidazoline derivative is shown in the specification, and in the structural general formula, R1 is C10-C21 straight-chain alkyl, R2 is-C2H4NHCH2-, and R3 is C12-C18 straight-chain alkyl. The preparation method comprises the following steps: adding fatty primary amine into beta-ketoglutaric acid, and reacting to obtain an intermediate; adding alkyl amine ethyl imidazoline into the intermediate, simultaneously adding an aldehyde compound and a solvent, reacting at 120-140 DEG C for 3-5 hours, and carrying out reduced pressure distillation and filtration to obtain a target product. The imidazoline derivative disclosed by the invention has excellent oil solubility, anti-rust performance and antifriction performance.

The invention relates to a co-production preparation method of dialkyl phosphate and tetraalkyl ammonium sulfate, which comprises the following steps: trialkyl phosphate and trialkylamine are subjected to a first reaction at a first temperature, then a reaction system and excessive sulfuric acid are subjected to a second reaction at a second temperature in the presence of water, and the first temperature is higher than the second temperature; after the reaction is finished, adding an extracting agent to extract the system, and separating to obtain an organic phase and a water phase; removing the extracting agent in the organic phase to obtain dialkyl phosphate; adding tetraalkyl ammonium hydroxide into the water phase until the water phase is neutral or nearly neutral to obtain a water solution containing tetraalkyl ammonium sulfate. According to the method, the dialkyl phosphate can be obtained, the tetraalkyl ammonium sulfate salt with high added value can be obtained, the raw materials are easy to obtain, the process route is simple, the atom economy is high, the method is environment-friendly, the operation is simple, and the cost is low.

The present invention relates to an isoindoline compound containing a phenylethoxyalkyleneamine structure, a conjugate thereof, and use thereof. The isoindoline compound containing a phenylethoxyalkyleneamine structure has a structure represented by formula (I). The conjugate thereof has a structure represented by formula (B). The compound of the present invention exhibits increased proliferation inhibition activity for cancer cells and a degradation effect on proteins such as GSPT1, demonstrating practical values.

The application provides a perovskite photoelectric device interface modification method based on a halogenated benzene alkyl amine molecule. After an interface modification layer based on a halogenated benzene ethylamine molecule is introduced between a perovskite light-absorbing layer and a hole transport layer in a perovskite solar cell, interface defects are effectively passivated, defect state induced non-radiative recombination is weakened, radiative recombination is enhanced, the open circuit voltage and photoelectric conversion efficiency of the perovskite solar cell device are significantly improved, and the stability of the device is also significantly improved.

The invention belongs to the technical field of lubricating materials, and particularly relates to a triazole type metal deactivator as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing 1, 2, 4-triazole, formaldehyde and dialkylamine, heating, adding a catalyst and layered double hydroxide, and reacting to obtain a mixture 1; and (2) fractionating and dehydrating the mixture 1, stirring and reacting, cooling and washing to obtain the triazole type metal deactivator. The triazole type metal deactivator provided by the invention has the advantages of simple preparation process, small catalyst dosage, low cost, environment-friendly reaction system and mild reaction conditions.

Provided is a method for efficiently producing a fluorinated alkyl compound by directly converting an aliphatic alkylamine widely existing in nature into a fluorine substituent, the method being characterized in that an alkylamine compound in which at least one amino group is bonded to an alkyl carbon is reacted with a deamination-fluorination agent to produce the fluorinated alkyl compound.

The application discloses a kind of corrosion and scale inhibitor sulfur removal agent and preparation method thereof, belong to sulfur removal agent technical field, by weight parts including following components: hydroxyl alkyl amine modified triazine compound 30~60 parts, polyaspartic acid scale inhibitor 10~25 parts, sodium gluconate 5~15 parts, ethylenediamine tetramethylene phosphonic acid sodium 3~10 parts, organic phosphonic acid corrosion inhibitor 2~8 parts and water 20~40 parts;The hydroxyl alkyl amine modified triazine compound is prepared by triazine sulfur removal agent and N-methyl diethanolamine or diethanolamine under 50~80 ℃ for 2~4 hours, wherein the molar ratio of triazine sulfur removal agent and hydroxyl alkyl amine is 1:0.3~0.8.The application is prepared by using hydroxyl alkyl amine modified triazine compound as core sulfur removal component, triazine sulfur removal agent and N-methyl diethanolamine or diethanolamine are reacted under specific temperature and time, which greatly improves the capture activity and reaction rate of hydrogen sulfide, and improves water solubility and dispersibility, realizes efficient sulfur removal.

A high-performance gas adsorbing material includes a monolithic bi-continuous material formed without joints or seams from a sorbent formed predominantly of amine functional groups exclusive of hydrophilic tethers positioned therebetween. For instance, the high-performance gas adsorbing material monolith includes:a. a bi-continuous structure consisting of a sorbent;b. a mixture of at least two different amine-containing input molecules providing porous surfaces inside the structure multiplicity of uniform gas pathways therethrough;c. beta-hydroxy alkyl functional groups accessorizing the sorbent; and,d. different hydrophilic tethers connecting different ones of the beta-hydroxy alkyl functional groupse. wherein the bi-continuous structure is predominantly alkyl amine functional groups exclusive of the different hydrophilic tethers.

A high molecular weight polymeric dispersant composition is described. The dispersant is represented by the general structure: wherein A is an olefin copolymer, B is an alkylimide or alkylamide, C is a polyamine, alkylamine, alkylether amine or alkylhydroxylamine, and D is 1-(arene-2-yloxy) propan-2-ol; and n is 1 to 15.

The present invention addresses the problem of providing: a surface treatment agent capable of sufficiently enhancing the coatability of a resin composition on both a metal surface and a resin surface when forming a film of the resin composition on a substrate surface; a method for producing the film-forming substrate; and a film-forming substrate.　The present invention is a surface treatment agent or the like for treating a substrate surface including a metal surface and a resin surface, the surface treatment agent comprising 0.001 to 1.2 mass% of an amine compound that is at least one selected from the group consisting of an alkylamine having an alkyl group having 19-24 carbon atoms, an alkenyl amine having an alkenyl group having 18-22 carbon atoms, and a salt thereof.

The invention belongs to the technical field of polyamide preparation, and particularly relates to a preparation method for reducing the freezing point of bio-based polyamide. A bio-based polyamide prepolymer is prepared from raw materials including dimer acid, isostearic acid, ethanediamine, hexamethylenediamine, a polyether crosslinking monomer, a branched chain alkylamine monomer, an antioxidant dispersant and a high-temperature stabilizer, and then the bio-based polyamide prepolymer is mixed with alcohol-soluble polyester and a compatilizer to obtain bio-based polyamide which has a low freezing point, good anti-gel performance and environmental friendliness and can be used for preparing the bio-based polyamide. And the printing quality in a low-temperature environment can be obviously improved.

The invention discloses a TS-1 molecular sieve catalyst, a preparation method and application of the TS-1 molecular sieve catalyst in preparation of an epoxy compound through epoxidation of hydrogen peroxide and alkene, the preparation method comprises the following steps: mixing a template agent with water, and then adding a silicon source to obtain a first solution; mixing a titanium source, soluble vanadium salt and isopropanol to obtain a second solution; stirring and mixing the first solution and the second solution, then adding octadecylamine polyoxyethylene ether biquaternary ammonium salt to obtain a reaction system, and then performing crystallization, separation and heat treatment to obtain the TS-1 molecular sieve catalyst. Through doping of vanadium heteroatoms and adjustment of octadecylamine polyoxyethylene ether biquaternary ammonium salt on a crystallization process, a hierarchical pore system is successfully constructed while high-activity titanium species are retained, and collaborative optimization of a pore structure and active sites is realized. The TS-1 molecular sieve catalyst obtained through optimization shows significantly enhanced catalytic activity and selectivity in an olefin epoxidation reaction system.

The invention relates to the field of animal winter skin care, and discloses a dairy cow and sheep nipple anti-freezing medicated bath liquid which comprises the following components in parts by mass: 50-60 parts of deionized water, 15-18 parts of a softening agent, 10-12 parts of an emollient, 8-12 parts of a humectant, 10-15 parts of an anti-freezing agent, 5-7 parts of essential oil, 4-5 parts of a traditional Chinese medicine extract, 3-5 parts of an antioxidant liquid and 5 parts of an antibacterial agent. The antifreezing agent is one of acidic phosphate amine salt, alkylamine, fatty acid amide, organic acid ester or alkyl succinimide, the antioxidant liquid is one of hindered phenol antioxidant, phosphite ester antioxidant or sulfur-containing antioxidant, and the antibacterial agent is povidone iodine. By adding the softening agent, the emollient and the humectant, the protective bath lotion can extend into the skin to improve the moistening degree of the skin, and meanwhile, the traditional Chinese medicine extract is added, so that the protective bath lotion has a very good immune regulation function, improves the resistance of an organism, nourishes dry and rough skin and further improves the anti-freezing effect.

The invention provides a precursor for depositing a metal-containing film as well as a preparation method and application of the precursor. The precursor comprises a compound with a structure as shown in a formula I, wherein R1, R2 and R3 are independently selected from one of H, C1-C6 linear alkyl, C3-C6 branched alkyl, C3-C6 cyclic alkyl, C1-C6 alkoxy and halogen; r < 4 > and R < 5 > are respectively and independently selected from one of straight chain alkyl of C < 1-6 >, branched chain alkyl of C < 3-6 >, cyclic alkyl of C < 3-6 >, alkoxy of C < 1-6 > and halogen; r < 6 > to R < 10 > are independently selected from one of H, straight chain alkyl of C < 1 > to C < 6 >, branched chain alkyl of C < 3 > to C < 6 >, cyclic alkyl of C < 3 > to C < 6 > and alkoxy of C < 1 > to C < 6 >; n is 1, 2 or 3, and M is a metal element. The precursor provided by the invention can solve the problem of insufficient thermal stability of the existing alkylamine precursor.

This invention discloses a superhydrophobic polyimide-based anti-corrosion, anti-fouling, and self-cleaning coating and its preparation method, belonging to the field of organic anti-corrosion coating technology. The preparation method first prepares at least one modified GO selected from POSS, silane coupling agent, chain alkylamine, and chain alkyl isocyanate; then, a composite underlayer slurry is applied to the substrate surface, followed by thermal imidization treatment to obtain a composite underlayer; finally, a SiO2 modified with alkane siloxane or perfluorosiloxane and a binder are coated on the surface of the composite underlayer to obtain the superhydrophobic polyimide-based anti-corrosion, anti-fouling, and self-cleaning coating. The composite coating preparation process of this invention is simple, highly operable, and possesses excellent superhydrophobic, anti-corrosion, and mechanical properties.

The present invention provides a polishing composition that effectively polishes dielectric or barrier components on Co-containing surfaces without causing metal corrosion. [Solution] The polishing composition comprises at least one abrasive, at least one organic acid, at least one anionic surfactant containing at least a phosphate, at least one phosphonic acid compound with a molecular weight of less than 500 g / mol, at least one azole-containing compound, at least one alkylamine compound having an alkyl chain of 6 to 24 carbon atoms, an aqueous solvent, and optionally a pH adjuster.

Described are the compounds, compositions and methods of treating a disease or disorder characterized by aberrant B-cell lymphoma 6 (BCL6) activity.

Disclosed is a method for manufacturing an aluminum precursor formed by mixing 1 to 3 moles of a compound represented by the following Chemical Formula 1 or following Chemical Formula 2 and 1 to 3 moles of a compound represented by the following Chemical Formula 3,wherein X is O or S, and R1 or R2 is each independently selected from an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms,wherein X is O or S, n is 1 to 5, and R1 to R4 are each independently selected from a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms,wherein R1, R2 and R3 are different from each other, and each independently selected from a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a dialkylamine having 1 to 6 carbon atoms, a cycloamine group having 1 to 6 carbon atoms, or a halogen atom.

The present invention provides: a method for producing Fe2C nanoparticles, by which Fe2C nanoparticles are produced by a simple process by a one-step reaction; and a reduction catalyst which comprises Fe2C nanoparticles. The present invention relates to a method for producing Fe2C nanoparticles, the method including heating and mixing an iron carbonyl compound, a halide, a boron compound, and an alkylamine under an inert gas atmosphere, wherein the iron carbonyl compound comprises Fe3(CO)12 or Fe2(CO)9, the boron compound comprises a diboron compound that contains a heterocyclic ring represented by general formula (I) (wherein the description of the symbols is omitted), and 1-octadecene is not used. The temperature during the heating and mixing is preferably 80°C or higher and lower than 350°C. The time of the heating and mixing is preferably 2.5-50 hours.

A multicomponent composition, which is especially suitable for a floor coating, includes a curing component comprising at least one amine functional adduct, which is a reaction product of (a) at least one polyether amine, (b) at least one polyalkylene amine, (c) at least one arylaliphatic or cycloaliphatic amine, (d) at least one polyether epoxy resin, and (e) at least one aromatic liquid epoxy resin. The composition allows an aesthetically pleasing appearance (visual appearance, surface characteristics), good processability and levelling.

The present invention relates to biodegradable cross-linked alkyl polysaccharide dispersion materials for coating on lignocellulose sheets as a promising alternative to traditional plastic mulch in sustainable agricultural practices and process for preparation thereof. More particularly, the present invention relates to biodegradable cross-linked alkyl polysaccharide dispersion coating material coated on lignocellulose sheets having tensile strength 15‒20 MPa, tensile index of 25‒30 N.m / g wherein the coating dispersion material is obtained from the Michael addition reaction of polysaccharide (chitosan), acrylic crosslinker and further alkylation in presence of alkylamine in 93%‒95%yield. The aim of the invention is to mitigate environmental pollution and reduce dependence on non-renewable resources. The present invention provides a method of coating to prepare water repellent lignocellulose sheet / paper with a stability of 50‒70 days in outdoor environmental conditions and biodegradation in soil within 30‒45 days.

The invention relates to the technical field of sulfur treatment, in particular to a sulfur dissolving agent and a sulfur paste refining method. On one hand, the invention discloses a sulfur dissolving agent. The sulfur dissolving agent comprises a main solvent and a cosolvent, the main solvent is polycyclic aromatic hydrocarbon, and the cosolvent is C9-C20 alkyl amine. On the other hand, the invention discloses a sulfur paste refining method which comprises the following steps: 1) mixing sulfur paste with the sulfur dissolving agent provided in the first aspect of the invention to obtain a mixture; 2) standing and layering the mixture to obtain upper-layer liquid and lower-layer liquid; and 3) cooling, crystallizing and filtering the supernatant liquid to obtain sulfur. By means of the sulfur dissolving agent and the sulfur paste refining method, the purity of sulfur can be improved, and meanwhile the amount of generated waste water is reduced.