132 results about "Aliphatic amine" patented technology

The invention discloses a low-temperature fast-curing two-component resin adhesive and a preparation method thereof, and belongs to the technical field of high polymer materials. The resin adhesive is formed by mixing a component A and a component B, the component A comprises epoxy-acrylate hybrid resin, a reactive diluent, a nano reinforcing filler and the like, and the component B comprises a modified aliphatic amine curing agent, a microcapsule low-temperature efficient accelerant, a Mannich base curing agent and the like. Through the synergistic effect of a quaternary curing system and in combination with the rigid-flexible balance design of the hybrid resin, rapid curing at low temperature is achieved, and high strength, high toughness and good storage stability are achieved. The resin adhesive is suitable for the fields of bonding of automobile parts, packaging of electronic elements, repairing of wind power blades, sealing of building structures and the like, and particularly solves the problems that a traditional resin adhesive is slow in low-temperature curing and insufficient in performance.

The invention relates to the field of benzoxazine, in particular to modified benzoxazine resin and a preparation method and application thereof.The preparation method of the modified benzoxazine resin comprises the following steps that S1, first-stage reaction is conducted, specifically, an alkane amine compound, formaldehyde and an organic solvent are stirred to be uniform and heated to react; the alkane amine type compound is one or more of short aliphatic chain amine, alicyclic polyamine and a monoamine type compound; s2, second-stage reaction: adding a phenolic compound containing unsaturated alkyl, and heating for reaction; s3, heating, and removing small molecular impurities and by-products under negative pressure to obtain the modified benzoxazine resin, the modified benzoxazine resin and the preparation method and application thereof solve the problem that the existing benzoxazine resin is insufficient in storage stability and processing performance while improving the dielectric property.

The invention relates to a preparation method of an aliphatic amine polyester ether surfactant and a compound ionic oil-displacing agent thereof, and relates to the technical field of oil field chemicals, the preparation method comprises the following steps: taking aliphatic amine as a raw material, and carrying out ring opening polymerization on the aliphatic amine and ethylene carbonate at a certain temperature under the action of a catalyst to prepare an aliphatic amine polyester ether nonionic surfactant; and compounding the fatty amine polyester ether nonionic surfactant with an anionic surfactant, a cationic surfactant, a phase solvent and water according to a certain proportion to prepare the composite ionic oil displacement agent. The fatty amine polyester ether and the composite ionic oil-displacing agent thereof are superior to a single naphthenic acid amide polyether ester sulfonate anionic oil-displacing agent in the aspects of synergistic effect, stability, salt resistance, hard water resistance, adsorption resistance, interfacial tension stability and binary system oil-displacing performance.

Provided are a novel organic compound and a light-emitting device using the same. In general formula (G1-1), Z1 represents carbon or nitrogen, and if Z1 is carbon, hydrogen (including deuterium) is contained. R1 to R9 each independently represent any one of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a silicon group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms, a cyano group, and an aliphatic amine group represented by general formula (g1); at least one of R1 to R3 and at least one of R4 to R6 represent a group represented by general formula (g2).

To provide a fiber-reinforced composite material that possesses excellent impact resistance and tensile properties, and a molding material for obtaining the same. [Solution] A molding material comprising an epoxy resin composition containing the following components [A] and [B], and carbon fibers satisfying the following condition [a]. [A]: Bifunctional aniline epoxy resin [B]: Aliphatic amine curing agent [a]: Surface specific oxygen concentration O / C is 0.02 or higher and less than 0.08.

The invention relates to injectable cross-linked collagen gel and a preparation method thereof. Two crosslinking strategies of self-crosslinking and crosslinking agent crosslinking are fused together for the first time, and two types of amido bonds, namely amido bonds of a collagen-collagen structure (A) and amido bonds of a collagen-fatty amine-collagen structure (B), are respectively constructed through two crosslinking paths, namely catalysis of collagen polypeptide self-crosslinking and catalysis of fatty amine crosslinking, so that a hard / soft dual crosslinking network is obtained. The relative proportion of the structure A and the structure B in the final product is adjusted through a proper cross-linking process, so that the strength and the stability of the final product are adjusted and controlled, and the use requirements of different injection parts can be met.

The invention provides a heat-conducting adhesive, a heat-conducting bonding layer and a new energy automobile power battery comprising the heat-conducting bonding layer. The thermally conductive adhesive comprises: 40-55 wt% of an epoxy resin; 5-12 wt% of a curing agent, wherein the curing agent is one or more of an aliphatic amine curing agent and an imidazole curing agent; 10-25 wt% of a thermally conductive filler; 3-8 wt% of a toughening agent; 2-6 wt% of a flame retardant; 1-3 wt% of a coupling agent; 0.5 to 2 wt% of an anti-aging agent; and an organic solvent. An adhesive layer formed by curing the heat-conducting adhesive has good mechanical strength and flexibility, can bear loads such as impact and vibration, resists thermal cycling and damp-heat aging, is good in heat conductivity and good in insulating property, is suitable for a new energy automobile power battery, and is particularly suitable for a CTP structure.

The application discloses a kind of preparation of thin-layer Ti-MWW titanium silicalite and its application in epoxidation reaction, belong to inorganic chemical synthesis technical field.The application adds polycyclic aliphatic amine in the synthesis process of Ti-MWW molecular sieve, and reduces the crystallization temperature in the early stage of molecular sieve crystallization to delay the growth rate of molecular sieve C axis, obtain shorter C axis thin-layer Ti-MWW, greatly improve the diffusion performance of Ti-MWW molecular sieve by this method, increase the diffusion rate of reactant molecules in channel, so that the catalytic performance of molecular sieve is greatly improved, suitable for catalyzing propylene, butylene, hexene, cyclohexene, octene liquid phase epoxidation and the like.

The invention relates to a two-component thermally conductive composition comprising: a composition (A) comprising: a silylated polymer, and a rheology agent (r1) selected from amide waxes and / or a rheology agent (r2) comprising: from 1% to 40% by weight of a bis-urea (a) obtained by reacting a primary aliphatic amine with a diisocyanate of molar mass less than 500 g / mol, relative to the total weight of the rheology agent (r2), and from 60% to 99% by weight of a specific plasticizer (b), relative to the total weight of the rheology agent (r2), said rheology agent (r2) being in the form of a suspension of solid particles of the bis-urea (a) in a continuous phase of plasticizer (b), and a composition (B) comprising: at least 1% by weight of a filler (C) relative to the total weight of the composition (B), the filler (C) contributing at least 0.0025% by weight of moisture relative to the total weight of the composition (B),Composition (A) and / or composition (B) further comprising at least one thermally conductive filler. The invention also relates to the use of a filler (C) having a specific moisture content for crosslinking, without the addition of free water, a two-component composition, the two-component composition comprising a composition (A) comprising a silylated polymer, and a composition (B) comprising said filler (C). Figure for the abstract: none.

The invention relates to the technical field of composite materials, in particular to a synergistic flame-retardant epoxy resin-based porous sound insulation composite material and application thereof. The raw materials comprise 100 parts of bisphenol A epoxy resin, 15 parts of an aliphatic amine curing agent, 12 parts of ammonium dihydrogen phosphate, 6 parts of melamine, 4 parts of nano silicon dioxide, 5 parts of sodium chloride, 2 parts of ammonium bicarbonate, 0.8 part of carbon nanotubes and 0.5 part of a silane coupling agent. The synergistic flame-retardant epoxy resin-based porous sound-insulation composite material provided by the invention effectively solves the technical bottleneck that the flame-retardant, sound-insulation and mechanical properties of an epoxy resin-based material in the prior art are difficult to synergistically improve, and has remarkable beneficial effects in multiple aspects.

The invention discloses a waste textile / plastic-based water-based wood adhesive and a preparation method thereof. Aliphatic amine is adopted to chemically degrade waste textiles / plastics in a solvent-free manner, and all components are prepared into the water-based wood adhesive by using aminolysis products. The waste textile / plastic-based wood adhesive prepared by the invention is environment-friendly, and has good bonding performance, weather resistance and chemical resistance.

The invention relates to the technical field of pavement materials, in particular to a pavement modifier and a preparation method thereof. The weight ratio of a component A to a component B in the modifier is 1: (0.75-0.9); the component A comprises the following components in parts by weight: 100 parts of polyurethane modified epoxy resin and 4-7 parts of an epoxy active diluent, and the component B comprises the following components in parts by weight: 6-10 parts of an accelerant, 80-90 parts of a composite curing agent and 5-8 parts of a diluent; in the composite curing agent, the weight ratio of the organic silicon amine curing agent to the aliphatic amine curing agent is (1-2): 1; the organic silicon amine curing agent is obtained by taking tris (2-aminoethyl) amine, hexamethylene diisocyanate and 1, 3-bis (3-aminopropyl)-1, 1, 3, 3-tetramethyldisiloxane as raw materials and reacting according to a molar ratio of 1: 3: 3. The modifier disclosed by the invention is good in toughness and high in strength, can effectively improve the low-temperature performance, flame retardance and stability of asphalt, and meets specific construction requirements.

The application relates to the technical field of paint, in particular to a two-component epoxy strong-acid-and-strong-base-resistant heavy-duty paint and a preparation method thereof, which comprises a main paint and a curing agent, the main paint contains a compounded system of bisphenol A epoxy resin and bisphenol F epoxy resin, a composite diluent, a functional filler synergized by flaky glass flake and spherical filler, a silane coupling agent and a special anti-rust pigment; the curing agent is compounded by polyamide, phenolic amine, modified alicyclic amine and modified aliphatic amine, the paint has high solid content and low VOC, has strong adhesion to various substrates, has a bottom-surface-combined function in a single coating layer, is resistant to strong acid, strong base and extreme corrosive environment, is simple to construct, is fast to cure and has a long service life.

The invention discloses a method for preparing fatty tertiary amine with large steric hindrance without an external hydrogen source, and the specific implementation process is as follows: taking a compound A and a compound B as raw materials, and efficiently synthesizing a compound C through a hydrogen borrowing and reducing process of a copper-manganese bimetallic catalyst in a nitrogen atmosphere. The catalyst is prepared by adopting a step-by-step impregnation method: firstly, loading a manganese precursor on a carrier, and drying and roasting to form a manganese species which has the function of pre-adsorbing and fixing large-steric-hindrance amine molecules so as to effectively reduce steric hindrance; and then a copper precursor is loaded, and a manganese auxiliary agent promotes high dispersion of a copper active center, so that a C-OH bond of alcohol is efficiently activated. The method is mild in reaction condition, only water serves as a byproduct, the defects that high-risk reagents and high-temperature and high-pressure hydrogen sources are used and waste is generated in a traditional method are overcome, and the method has the advantages of being high in selectivity, good in atom economy, environmentally friendly, safe and the like and is suitable for large-scale production of drug intermediates and functional chemicals.

This invention relates to a modified fatty amine curing agent soluble in acrylic adhesives and its preparation method. The preparation method is as follows: polyetheramine and bismaleimide are added to a flask, a first mixed solvent is added to dissolve them, and the mixture is stirred in a water bath at a certain temperature for a period of time. Then, dodecylamine is added, and the mixture is stirred and reacted again at the above temperature for another period of time. Then, a second mixed solvent is added to achieve a certain solid content, and the mixture is stirred evenly to obtain the modified fatty amine curing agent. The mixture is then bottled, sealed, and refrigerated. The modified fatty amine curing agent soluble in acrylic adhesives of this invention has good high-temperature resistance, low polarity, and flexibility, and also exhibits good compatibility with acrylic adhesives.

A method for preparing an organic solvent nanofiltration membrane with a rigid-flexible dual-network IPN belongs to the field of membrane separation technology. The method includes: 1) dissolving aminated carbon quantum dots or triterpenoid amines containing a twisted structure and aromatic diacyl chlorides to obtain aqueous and oil-phase monomer solutions; using an ultrafiltration membrane as a support, the support is sequentially impregnated with the aqueous and oil-phase monomer solutions to construct a molecular layer with a porous rigid network I structure; 2) preparing organic solutions using an aliphatic amine as the first monomer and an aliphatic acyl chloride as the second monomer; immersing the support containing the porous rigid network I in the first monomer solution, then removing and washing it; then immersing the substrate in the second monomer solution, then removing and washing it, repeating this cycle a certain number of times, followed by heat treatment of the substrate to finally obtain the organic solvent nanofiltration membrane. The above preparation method produces a solvent-resistant nanofiltration membrane with high solvent flux, high separation accuracy, and strong long-term service stability.

The application discloses a kind of hard carbon negative electrode material and its preparation method, application and sodium ion battery.The preparation method of the hard carbon negative electrode material includes the following steps: (1) the mixture of phenolic compound, aldehyde compound and amine compound is heat treated, and resin solution is prepared;Among them, amine compound is aliphatic amine;The molar ratio of phenolic compound and aldehyde compound is 1:(1-3);The molar ratio of phenolic compound and amine compound is 1:(0.2-3);(2) the resin solution is spray dried, carbonized, and the hard carbon negative electrode material is prepared;Carbonization includes first carbonization and second carbonization.The hard carbon negative electrode material prepared by the application has a regular microstructure, is rich in nitrogen elements, has a suitable pore size distribution and specific surface area, and has excellent electrochemical performance when applied to batteries;Meanwhile, the process preparation method can realize in-situ doping of nitrogen elements, the preparation process is simple, can realize large-scale production, and has good industrial application prospect.

Disclosed is a novel room-temperature curable bio-based epoxy vitrimer with a simple design of the chemical structure. A hempseed oil-derived glycidyl ester type epoxy (HOEP) was synthesized and then blended with a bisphenol A epoxy (DER331) to manipulate the properties of the resulting vitrimer s. An aliphatic amine hardener, diethylenetriamine (DETA), was selected as hardener to realize the room temperature curing in presence of triethanolamine (TEOA) as the catalyst. Unlike the traditional glycidyl ether epoxy-amine the thermosets which are based on sable C—N and ether linkages, the epoxy vitrimer herein includes ester bonds with HOEP and hydroxyls formed from the reaction of amine and epoxy in its cross-linked network. Dynamic transesterification (DTER) between the ester bonds and hydroxyls take place at elevated temperatures, imparting the vitrimer significant stress relaxation behavior and repairability. This provided a viable method to produce room temperature curable epoxy vitrimer s.

The application discloses a latent aliphatic amide curing agent, a preparation method thereof and application thereof. The latent aliphatic amide curing agent is obtained through an amidation reaction of an aliphatic amine compound and a formyl carboxylic acid compound. The secondary amine group in the latent curing agent obtained by the application does not react with an epoxy resin at a low temperature due to the influence of steric hindrance, and has latency. The latent modified aliphatic amine curing agent prepared by the application is a flowable liquid at normal temperature, and can be used in combination with a traditional solid powder type latent curing agent, thereby improving the poor miscibility of the solid powder type latent curing agent with the epoxy resin.

The invention discloses a synthesis method of pyrido [3, 2-c] coumarin compounds, and belongs to the technical field of organic synthesis. According to the technical scheme, the method is characterized by comprising the following steps: dissolving an aromatic aldehyde compound, a 4-amino coumarin compound and a tertiary aliphatic amine compound in a solvent, adding an oxidant, and reacting at 120-140 DEG C to obtain the target product pyridino [3, 2-c] coumarin compound. The synthesis process is simple and efficient, the pyrido [3, 2-c] coumarin compound is directly prepared in one step through one-pot cascade reaction, no catalyst or additive is needed in the synthesis process, heating is only needed under the air condition, operation is convenient, raw materials are simple, the reaction condition is mild, and the substrate application range is wide.

The present invention provides compounds of structural formula I: TIFF2026500301000012.tif40159 or a pharmaceutically acceptable salt thereof; where W is selected from the group consisting of substituted saturated / unsaturated branched / straight chain aliphatic amines, substituted aromatic amines, unsubstituted saturated / unsaturated branched / straight chain aliphatic amines, unsubstituted aromatic amines; X is selected from the group consisting of H, a substituted / unsubstituted saturated / unsaturated branched / straight-chain aliphatic alkyl group having at least one carbon atom, a substituted / unsubstituted saturated / unsaturated branched / straight-chain aliphatic alkoxy group having at least one carbon atom, a substituted / unsubstituted aryl group, a substituted / unsubstituted aryloxy group; Y is selected from the group consisting of H, substituted / unsubstituted saturated / unsaturated branched / straight chain aliphatic alkyl groups bonded to a carbonyl group, substituted / unsubstituted aryl groups bonded to a carbonyl group; Z is selected from groups including H and OH.

The invention discloses a combined collecting agent and method for reverse flotation desiliconization of iron ore, and belongs to the technical field of ore dressing. The combined collecting agent comprises long-carbon-chain aliphatic amine and small-molecule polyamine. The long carbon chain fatty amine comprises a long carbon chain with the carbon atom number of C10-C20 and at least one active group of a primary amine group, a secondary amine group, a tertiary amine group and a quaternary ammonium group; the total number of carbon atoms of the micromolecule polyamine is C2-C8, and the micromolecule polyamine at least comprises a primary amine group and a secondary amine group. The combined collecting agent is used for reverse flotation desilicication of refractory iron ore, has good selectivity and foamability on siliceous minerals, overcomes the defects that a traditional long-carbon-chain fatty amine collecting agent is poor in selectivity and needs to be additionally added with a foaming agent, improves the iron recovery rate and the iron grade of iron ore concentrate in the actual ore flotation process, effectively reduces the dosage of agents, and reduces the cost. And the combined collecting agent is wide in component source, convenient to commercially obtain, low in cost and beneficial to industrial application and popularization.

The invention discloses an aliphatic beta-keto-enamine bond covalent organic framework material based on pyrrolidine catalytic synthesis, the skeleton structure of the covalent organic framework material comprises a beta-keto-enamine bond formed by condensation reaction of 1, 3, 5-trialdehyde phloroglucinol and an aliphatic ammonia monomer, and the preparation method comprises the following steps: adding 1, 3, 5-trialdehyde phloroglucinol and an aliphatic amine monomer into a reaction kettle, and reacting to obtain the covalent organic framework material. The preparation method comprises the following steps: mixing 1, 3, 5-trialdehyde phloroglucinol, an aliphatic ammonia monomer, a solvent and a catalyst for reaction, washing and drying to obtain the covalent organic framework material containing the beta keto-enamine bond. According to the invention, pyrrolidine is adopted as a high-efficiency catalyst and is matched with a green mixed solvent system with specific composition, so that ordered connection of flexible aliphatic ammonia monomers is effectively guided, the problem that low polymers are easy to generate under the catalysis of traditional acetic acid is overcome, and the crystallization quality of the material is remarkably improved.

A preparation method of the lithium battery flame-retardant adhesive comprises the following steps: firstly, dissolving aliphatic amine and a carboxylic acid compound in an alcohol solvent, and carrying out step-by-step heating reaction to obtain a mixed solution; wherein the molar ratio of amino introduced by the fatty amine to carboxyl introduced by the acid compound is controlled to be not equal to 1: 1; and then adding a phosphorus-containing compound into the obtained mixed solution, carrying out heating and stirring reaction, and drying to obtain the lithium battery flame-retardant adhesive. The lithium battery flame-retardant adhesive provided by the invention has a hyperbranched oligomer structure, can give full play to the effects of strong polarity, high mechanical toughness, self-repairing performance, rigid and flexible chain segment complementation and the like, and can significantly improve the safety and electrochemical performance of a Li-S battery; the related preparation method is simple, the raw materials are wide in source, and meanwhile the method has good practical application value and environmental friendliness and is suitable for application and popularization.

Provided are a novel organic compound and light-emitting device. Specifically provided is an organic compound represented by general formula (G1). In general formula (G1): X1, X2, and X3 each independently represent one of carbon, nitrogen, oxygen, silicon, and sulfur; at least one of X1, X2, and X3 is carbon or silicon; if representing nitrogen or silicon, X1, X2, and X3 may have a substituent group; said substituent group is one of hydrogen (including deuterium), an alkyl group, an alkoxy group, a silyl group, an aryl group, a heteroaryl group, a cyano group, and an aliphatic amine; if X1, X2, or X3 represents carbon or silicon, a spirocycle having said X1, X2, or X3 as a spiro atom may be formed; and R1 to R9 represent one of hydrogen (including deuterium), an alkyl group, an alkoxy group, a silyl group, an aryl group, a heteroaryl group, a cyano group, and an aliphatic amine.

The invention relates to a porous arylamine polymer stabilizer (POP-EDA) suitable for nitrocotton, which is prepared from a node unit 1, 3, 5-tribromobenzene and a connecting unit ethylenediamine. As chain fatty amine, ethylenediamine not only can introduce NOX absorption active sites, but also can construct a non-conjugated spatial network arylamine polymer structure. Compared with a conventional stabilizing agent, the polymer has high thermal stability and a relatively high specific surface area, not only has efficient physical adsorption capacity on nitrogen oxides generated by decomposition of nitrocotton, but also can stably and chemically fix the nitrogen oxides, so that autocatalytic decomposition of the nitrocotton is inhibited, and the service life of the nitrocotton can be effectively prolonged. The problems of poor thermal stability, few reaction active sites, generation of by-product gas, poor stabilizing effect and the like of the existing small-molecule stabilizing agent are solved, and the stability of the nitrate-based energetic material can be widely enhanced.

This invention discloses an organic clay rheology modifier for oil-based drilling fluids, which is obtained by modifying attapulgite with aliphatic amine compounds and / or epoxy compounds. The specific steps include: adding attapulgite to water to form an attapulgite dispersion; adding a modifier to the attapulgite dispersion to obtain an organically modified (or altered) attapulgite dispersion; and post-processing the organically modified or altered attapulgite dispersion to obtain organic attapulgite. This invention uses aliphatic amine and epoxy compounds with excellent high-temperature resistance to organically modify attapulgite, acting as a rheology modifier to improve the rheological properties and thermal stability of oil-based drilling fluids, enabling them to meet increasingly complex drilling environments. This preparation method is simple, requires minimal equipment, and is used in oil and gas drilling processes to significantly improve the rheological properties and high-temperature resistance of oil-based drilling fluids.

The application discloses a synthesis method of an alkyl and aryl containing benzoquinoline compound and belongs to the technical field of organic synthesis. The technical scheme of the application is characterized by the following specific steps: aromatic aldehyde compound 1, beta-naphthylamine compound 2 and tertiary aliphatic amine compound 3 are dissolved in a solvent, iodine reagent and an oxidizing agent are then added, and the target product, the alkyl and aryl containing benzoquinoline compound, is prepared by reacting at 110-130 DEG C. The synthesis process is simple and efficient, the benzoquinoline compound is directly prepared by one-pot cascade reaction without transition metal catalysis, the raw material catalyst is cheap and easy to obtain, the reaction condition is mild, the operation is simple, the method is suitable for commercial and large-scale industrial production, the substrate is widely applicable, and the alkyl substituent group is ingeniously introduced by using the tertiary aliphatic amine compound as the raw material.

An aqueous wood preservative, according to the present invention, includes an aqueous wood preservative comprising a nano-sol solution containing: an inorganic biocide containing an insoluble copper compound having an average particle size of 1 to 1,000 nm; and a dispersant containing aliphatic amine.

The application discloses a high-performance paper wet strength agent as shown in structural formula (I) and application thereof in papermaking. The paper wet strength agent is prepared from a raw material including alicyclic polyamine, polybasic aliphatic amine, acrylate and epichlorohydrin, the content of hydroxyl groups in the molecular structure of the wet strength agent is high, the wet strength agent is more easily to form hydrogen bonds with hydroxyl groups of wood fibers, and the retention performance of the wet strength agent is greatly improved. Meanwhile, the presence of the hydrophobic alicyclic structure can effectively prevent the water absorption and expansion of the fibers, reduce the expansion and deformation performance of the paper sheet, and improve the wet strength of the paper. Compared with traditional wet strength agents, even at a lower dosage, the paper can still be endowed with good folding endurance, tensile strength and dry strength and other performances.