121 results about "Aminoethylpiperazine" patented technology

The invention relates to wear-resistant epoxy glue and a preparation method thereof. The epoxy glue is prepared by mixing a component A and a component B based on a weight ratio of (100:11.1)-(100:13.3), wherein the component A comprises the following raw materials in parts by weight: 10-20 parts of liquid epoxy resin, 10-20 parts of bisphenol F epoxy resin with modified nano rubber particles, 2.5-5 parts of epoxy resin activity diluent, 0.5-1.0 part of coupling agent, 53-61 parts of aluminum oxide ceramic microsphere, 4-6 parts of white alundum powder, 3-5 parts of glass fiber powder, 0.5-1.2 parts of chopped nylon fiber and 1-2 parts of gas-phase silicon dioxide; and the component B comprises the following raw materials in percentage by weight: 55-65 parts of polyamide, 12-18 parts of isophorone diamine, 4-7.5 parts of AEPHP (N-Aminoethylpiperazine), 1-2 parts of solidification accelerating agent, 8-10 parts of kaolin, 3-6 parts of glass fiber powder and 3-5 parts of gas-phase silicon dioxide. The preparation method comprises the following steps: preparing the bisphenol F epoxy resin with modified nano rubber particles; respectively preparing the component A and the component B;and mixing the component A and the component B in proportion when the epoxy glue is used.

A composition including triethylenetetramine and aminoethylpiperazine is used as a clay inhibitor in water-based drilling fluids and in hydraulic fracturing fluids for drilling wells and for fracturing subterranean formations, and is also used as a clay inhibitor in other treatment fluids for treating wells or subterranean formations.

The invention discloses a method for preparing ethylene diamine from ethanolamine and ammonia serving as raw materials under a hydrogen condition. A reaction system consists of the ethanolamine, the ammonia, hydrogen and a catalyst, wherein the reaction temperature is 100 to 190 DEG C, the reaction pressure is 6.0 to 25.0MPa, the molar ratio of the ammonia to the ethanolamine is 1-20 and the molar ratio of the H2 to the ethanolamine is 0.008-0.05, and the air speed of the ethanolamine liquid is 0.1 to 1.5h-1; the catalyst takes Al2O3 or SiO2 as a carrier and one or more of Ru, Ni, Pd, B, Fe, Co, Re and Cu as carried active components; and the ethanolamine and the liquid ammonia can be transformed into the ethylene diamine (EDA) in high activity and high selectivity, along with by products such as diethylenetriamine (DETA), a piperazine (PIP), an aminoethylpipe (AEP), a hydroxyethylpiperazine (HEP), a hydroxyethyl ethylene diamine (AEEA) and the like under the hydrogen condition and the action of the catalyst.

The present invention relates to an environmentally friendly shell powder functional coating, a preparation method therefor and uses thereof. The coating comprises: bisphenol A-epon, modified shell powder, vegetable extract, propyl silicone emulsion, a nano additive, a modified organic micro powder agent, a surfactant, dioctylphthalate, 3, 3'-(4-trifluoromethyl methyl)-bi-4-hydroxy coumarin, 2,2,4-amino trimethyl-1,3-isoprene glycol mono iso-butyl methacrylate, butyl acetate, ethanol, trimethylol propane triacrylate, N-ammonia amino ethyl piperazine, polydimethylsiloxane and deionized water. In the present invention, by modification of a variety of components and materials, selection and collocation of specific components and a specific preparation method, the variety of components exert a synergistic effect, so as to make the prepared coating have significant antimicrobial, environmental-cleaning and wear-resisting properties. The coating has a huge application potential and extensive value in industrial production.

The invention discloses a preparation method and application of degradable hyperbranched polyamidoamine. Degradable hyperbranched polyamidoamine is prepared by taking a bifunctional monomer containing a disulfide bond or a ketal bond and an amino-containing trifunctional monomer N-aminoethylpiperazine (AEPZ) or diethylenetriamine (DETA) as main raw materials and employing a one-pot method to perform Michael addition polymerization reaction. By coupling polyethylene glycol (PEG) and folic acid (FA) with degradable hyperbranched polyamidoamine, folic-acid-targeted PEGylated degradable hyperbranched polyamidoamine is obtained. The raw materials are easily available, the preparation method is simple, and the prepared polymer medicine carrier has the advantages of hyperbranched polyamidoamine, such as three-dimension branching structure, a lot of cavities at the interior of molecules, low viscosity, a lot of functional groups, simple preparation method, biodegradability, and the like. Additionally, the water solubility and the stability of the carrier material are improved by grafting a PEG chain segment to the terminal, and the carrier is endowed with active targeting property on tumor cells through coupling of FA.

The invention discloses a super-hydrophobic oleophobic fluorocarbon coating which comprises a component A and a component B. The component A comprises epoxy resin, graphite fluoride, ammonium carbonate, polyoxyethylene ether and an organic solvent a, and the mass ratio of the epoxy resin, the graphite fluoride, the ammonium carbonate to the polyoxyethylene ether is 1:(0.5-3):(0.25-0.5):(0.25-0.5). The component B comprises a curing agent and an organic solvent b, wherein the curing agent is aminoethyl piperazine, and the mass ratio of the epoxy resin to the curing agent is 10:(2-4). The invention further discloses a preparation method and a use method of the super-hydrophobic oleophobic fluorocarbon coating. The super-hydrophobic oleophobic fluorocarbon coating has excellent super-hydrophobic oleophobic performances, good wear resistance, water flow impact resistance, corrosion resistance and adhesion performance and can be widely used.

The invention discloses a metal wear resistant repairing composite coating material and a preparation method of the metal wear resistant repairing composite coating material, wherein the metal wear resistant repairing composite coating material comprises a main agent which is prepared by mixing a silane coupling agent, epoxy resin, diisoamyl naphthalene, silicon carbide particles, aluminium oxide powder and fumed silica, and a curing agent which is prepared by mixing a silane coupling agent, triethylenetetramine, N-aminoethyl piperazine, aluminium oxide powder and fumed silica. A two-component room temperature curing composite coating with good anti-corrosion performance and abrasive resistance is prepared by optimizing the performance of epoxy coating inorganic powder filled and modified with inorganic powder, the prepared wear-resistant coating has good bonding effect to the metal, the cured coating has excellent abrasive resistance and can be applied for building and repairing the inner layer of a liquid slurry delivery pump, and an anti-corrosion wear-resistant coating of blades, and building an anti-corrosion wear-resistant coating of the inner surface of a gas transmission pipeline, a powder transmission pipeline and a liquid transmission pipeline.

The invention which relates to a wear-resistant and weather-resistant epoxy resin coating adhesive and its preparation method belongs to the technical field of adhesives. The adhesive comprises a component A and a component B, wherein the component A comprises 6-16 parts of an alicyclic glycidyl ether epoxy resin, 15-25 parts of a novolac epoxy resin, 4-6 parts of an epoxy active diluent, 4-6 parts of a responsive flexibilizer, 0.5-1.2 parts of a coupling agent, 0.4-0.8 parts of organic bentonite, 0.3-0.5 parts of an antioxidant, 0.4-0.8 parts of an ultraviolet ray absorbent, 40-45 parts of white corundum powder, 3-5 parts of filler powder, 4-6 parts of a short glass fiber, 5 parts of a yellow color paste, and 1-2 parts of white carbon black; and the component B comprises 15-25 parts of an alicyclic amine, 10-15 parts of isophorone diamine, 6-9 parts of aminoethylpiperazine, 2-3 parts of a curing accelerator, 40-45 parts of the white corundum powder, 4-6 parts of the short glass fiber, 4-6 parts of the filler powder and 3-5 parts of the white carbon black. The preparation method comprises the steps of yellow color paste preparation, component A preparation and component B preparation. Compared with adhesives obtained through the prior art, the mechanical strength and the wear resistance of the adhesive of the invention are obviously improved.

The invention provides a heat-conducting electronic packaging composite and a preparation method thereof. The preparation method comprises the following steps: mixing nano-alumina, nano-silica, a silane coupling agent KH-551, a gamma-aminopropyltriethoxysilane and water at first, and stirring; drying after filtering; mixing with N-methyl pyrrolidone, pyridine and triphenyl phosphate for reaction; adding lithium chloride and methyl alcohol for further reaction; filtering, flushing with N-dimethyl formamide and drying; re-adding acetone for ultrasonic dispersion; mixing bisphenol A epoxy resin, Neodymium(III) 2,4-pentanedionate and water, heating, and stirring for dissolution; mixing the two mixtures, and stirring while performing ultrasonic treatment; performing water bathing, adding 3,5-diaminobenzoic acid, N-aminoethylpiperazine and trimethyl hexamethylene diamine, stirring, and then conducting vacuum degassing; finally, pouring the mixture into a die for curing to obtain the heat-conducting electronic packaging composite. The heat-conducting electronic packaging composite has excellent heat stability, and meanwhile, has very good heat conductivity and a good heat dissipation effect.

A process for synthesizing the trivinyldiamine from the by-product of piperazine, which is the mixture of N-beta-hydroxyethyl piperazine, N-beta-hydroxyethyl ethanediamine, N-beta-aminoethyl piperazine, and pinerazine, includes primary catalytic reaction, hydroxyethylating reaction, and secondary catalytic reaction. Its advantages are long service life of catalyst, high output rate, and high purity.

The invention discloses a lignin cyclamine cationic-type asphalt emulsifier and a preparation method and application thereof. The molecular structure general formula of the emulsifier is as shown in the description, wherein R is a methyl group (-CH3) or an ethyl group (-C2H5) or a hydroxyethyl group (-C2H4OH), and LIGNIN represents a lignin molecular chain. The lignin cyclamine cationic-type asphalt emulsifier is prepared from, by mass, 100 parts of lignin, 159-230 parts of water, 19-27 parts of sodium hydroxide, 42-50 parts of N-aminoethylpiperazine, 23-29 parts of acrylic acid, 30-36 parts of formaldehyde (37%), 35-82 parts of tertiary amine with a low carbon number, 42-50 parts of industrial hydrochloric acid (30%) and 31-37 parts of epoxy chloropropane. According to the lignin cyclamine cationic-type asphalt emulsifier, the synthesis raw materials are easy to obtain, the production cost is low, the technology is simple, and high-temperature reacting is not needed; the emulsifier can emulsify different types of asphalt, the prepared emulsified asphalt is fine and uniform, the storage stability is good, and rapid-cracking cationic-type emulsified asphalt can be prepared.

The invention discloses a combined preparation process of ethane diamine and aminoethyl piperazine, aiming to solve the problem low yield when prepared associated ethane diamine and aminoethyl piperazine. The invention comprises the steps as flowed that firstly mixing ethane diamine and ammonia to react under the conditions of the exist of mordenite of condensed amination catalyst phosphorous modification, 2.0MPa-5.0MPa pressure, 300-350 DEG C temperature, 6-12:1 of ammonia and aminoethyl alcohol weight ratio, 20-30 seconds of reaction contact time, distilling and separating product liquid toobtain aminoethyl alcohol product, secondly reacting piperazine which is obtained in first step and aminoethyl alcohol under the conditions of the exist of ZSM-5 zeolite of condensed amination catalyst silicon modification, 4.0MPa-8.0MPa pressure, 350-400 DEG C temperature, 0.5-1.5:1 of piperazine and aminoethyl alcohol weight ratio, and 10-20 seconds of reaction contact time, distilling and separating product liquid to obtain aminoethyl piperazine product. The invention is mainly combined to be used to prepare ethane diamine and aminoethyl piperazine.

The invention discloses a polyester powder furniture coating, which is composed of the following raw materials (by weight): 0.4-14 parts of lecithin, 0.1-0.2 part of 1,2-epoxy-4-vinylcyclohexane, 1-2 parts of polybenzimidazole, 0.7-1 part of triethanolamine oleate, 2-3 parts of diacetone alcohol, 10-12 parts of tung oil, 0.06-0.07 part of sodium hydroxide, 3-4 parts of methanol, 0.1-0.2 part of perfluorosulfonate resin, 6-8 parts of acetic acid, 10-15 parts of 26-30% hydrogen peroxide, 10-17 parts of tetraethyl orthosilicate, 0.1-0.2 parts of Y-chloropropyltrimethoxysilane, 70-80 parts of unsaturated polyester resin, 0.6-1 part of methylethyl ketone peroxide, 0.1-0.2 part of aminoethylpiperazine, 10-14 parts of calsite powder, 0.6-1 part of formamide, 2-4 parts of tetrabutyl titanate and 3-4 parts of calcium aluminate.

The invention discloses a rhodamine-oxadiazole derivative and a preparation method and an application thereof. The specific preparation method comprises the following step: with N-aminoethylpiperazine, rhodamine B, DIPEA (Diisopropyl Ethyl Amine), 4-chloro-7-nitro-2, 1, 3-benzoxepin oxadiazole and K2CO3 with a mol ratio of (1-10): 1: (1-20): (1-1.5): 1 as reactants, preparing a product by a two-step-one-pot method, wherein the product can be used for H<+> ion colorimetry and used as a fluorescent probe. The structure designed and synthesized by the invention is short in synthesis route and mild in reaction conditions, an intermediate is unnecessary to be separated to obtain a target probe with a high yield, and no obvious FRET (fluorescence resonance energy transfer) exists between the oxadiazole and rhodamine fluorophores with matched spectrums in the structure, so that the H<+> can be detected through three channels, and the rhodamine-oxadiazole derivative has high selectivity, high sensitivity and large application potential.

The invention discloses anacardol glycidyl ether modified mixed amine hardener which is synthesized by anacardol glycidyl ether and mixed amine, wherein the weight ratio of the anacardol glycidyl ether to the mixed amine is 80:60-20:40. The mixed amine is composed of N-amino ethyl group piperazidine, 2-aminoethanol, polyethylene polyamine, and triethylene tetramine. The invention further provides a preparation method of the anacardol glycidyl ether modified mixed amine hardener. According to the preparation method of the anacardol glycidyl ether modified mixed amine hardener, the anacardol glycidyl ether and the mixed amine are obtained according to the weight percentage, and then the mixed amine is put into a reaction still, the reaction still is heated to the temperature of 50-70 DEG C, the anacardol glycidyl ether is added into the reaction still for 1-3 hours under the stirring condition of 600-800 circles / minute, and stirring and reaction are carried out for 3-4 hours, and finally the anacardol glycidyl ether modified mixed amine hardener is obtained. Due to the fact that the modified mixed amine hardener is hardener with middle and normal temperature, toxicity and volatility of the mixed amine can be effectively reduced, cost is reduced, and various film panting diseases which easily occur in a construction process can be avoided at the same time.

The invention belongs to the technical field of an epoxy resin toughening agent, and discloses epoxidized SBS, a blocked macromolecular active amine toughening agent, preparation and application thereof to epoxy resin. A preparation method of the epoxidized SBS comprises the following steps of (1) performing heating reaction on hydrogen peroxide and tungstic acid; then, mixing the materials with phosphoric acid; dripping chloridized quaternary ammonium salt; obtaining a catalyst; (2) using hydrogen peroxide as an oxygen source; performing catalytic oxidation on the SBS under the catalyst effect to obtain the epoxidized SBS. The preparation method of the toughening agent comprises the step of performing ring opening reaction on the epoxidized SBS and aminoethylpiperazine under the catalysteffect in the organic solvent to obtain a product. The catalysis activity of the catalyst is high; no side reaction exists; during the SBS epoxidation, the method is simple; the conditions are mild; the control is easy; the yield is high; the epoxidation product cannot easily gel; the product can be easily purified; the catalyst can be easily recovered. The toughening agent has the obvious toughening effect on the epoxy resin; in addition, the transparency of the epoxy resin cannot be influenced.

The invention discloses a modified epoxy resin coating. The coating comprises a component A and a component B in a weight ratio of (80-100):(10-18), wherein the component A is prepared from the following raw materials in parts by weight: 30-46 parts of aliphatic glycidyl ether epoxy resin, 20-30 parts of acrylic acid emulsion, 10-16 parts of modified alkyd resin, 5-10 parts of polyurethane, 2-10 parts of allyl glycidyl ether, 10-30 parts of polypyrrole hollow spheres, 10-20 parts of titanium dioxide microspheres, 3-8 parts of quartz sands, 3-6 parts of mica iron oxide, 1-3 parts of cotton linter, 1-10 parts of macroporous type-II strong base anion resin, 5-10 parts of kaolin, 1-3 parts of zinc oxide, 2-6 parts of sodium polyacrylate, 20-30 parts of polyvinyl alcohol, 0.5-2.5 parts of polyorganosiloxane, 0.2-0.9 part of caster oil, 0.5-1.8 parts of a wetting agent and 20-60 parts of deionized water; and the component B is prepared from the following raw materials in parts by weight: 5-10 parts of propylene glycol monomethyl ether acetate, 15-30 parts of aminoethylpiperazine, 10-20 parts of m-xylylenediamine, 10-30 parts of propanediol butyl ether and 20-40 parts of deionized water. The modified epoxy resin coating has good adhesion and excellent corrosion resistance.

The invention provides an active amino cross-linked phosphazene derivative and a preparation method and an application thereof, and a flame-retardant epoxy resin. The active amino cross-linked phosphazene derivative is prepared through the following steps: dropwise adding a hexachlorocyclotriphosphazene solution into a mixed solution of triethylamine and nitrogen-aminoethylpiperazine, and after areaction is completed, carrying out solid-liquid separation, washing and drying. The flame-retardant epoxy resin is prepared through the following steps: adding the active amino cross-linked phosphazene derivative into epoxy resin, and carrying out curing. The preparation method provided by the invention has simple process and mild reaction conditions; the active amino cross-linked phosphazene derivative prepared by using the preparation method provided by the invention can be applied as a flame retardant, has good compatibility with substrates like the epoxy resin, and has high carbon-formingproperties, strong thermal stability, good heat-insulating performance and prominent flame retardancy; and the flame-retardant epoxy resin prepared by adding the active amino cross-linked phosphazenederivative into the epoxy resin has good flame retardancy and comprehensive mechanical properties and extensive industrial application prospects.

The invention discloses concrete with the excellent flexural property and tensile property. The concrete is prepared from a component A, a component B and water, wherein the mass ratio of the component A to the component B to water is (2-4):(20-50):(3-6); the component A is prepared from epoxy resin, modified polypropylene fibers, acrylonitrile-butadiene-styrene copolymer, polydimethylsiloxane, N-aminoethylpiperazine, resorcinol and a silane coupling agent KH-560; the component B is prepared from ordinary Portland 42.5 cement, fly ash, medium sand, scoria, ceramsite, expanded perlite, mineral slag, kaolin and additives. The invention further provides a preparation method of the concrete with the excellent flexural property and tensile property. The prepared concrete has the excellent flexural property and tensile property.

The invention relates to a novel two-component mold producing material and a preparation method thereof. The novel two-component mold producing material comprises a component A and a component B, wherein the component A is a resin component and comprises ingredients as follows: bisphenol A epoxy resin, aluminium hydroxide, silicon dioxide, polyethylene wax, ethylene bis stearamide and an organic silicon defoaming agent; the component B is a curing component and comprises ingredients as follows: polyamide resin, N-aminoethylpiperazine, nonyl phenol, the aluminium hydroxide, the silicon dioxide, the polyethylene wax, the ethylene bis stearamide and the organic silicon defoaming agent. The two-component mold producing material and the preparation method thereof have the benefits as follows: the two-component mold producing material has good plasticity, malleability and reactivity, when the material is used for producing a mold, the producing time is greatly shortened, and the producing flow is simplified; the material has good flame retardance and high safety; the prepared mold is high in mechanical strength, not easy to abrade and durable and has a smooth surface.

The invention provides a lithium-sulfur battery positive electrode material and a cationic lithium-sulfur battery binding agent. The lithium-sulfur battery positive electrode material is characterizedby comprising a current collector metal foil and electrode paste, wherein the electrode paste is coated on a surface of the current collector metal foil and contains a carbon-sulfur compound and thelithium-sulfur battery binding agent, and the lithium-sulfur battery binding agent comprises a polymer obtained by polymerization reaction of N, N-methylene-bisacrylamide and aminoethyl piperazine. The lithium-sulfur battery assembled by taking the prepared cationic binding agent as the lithium-sulfur battery binding agent can be directly used in a hybrid electric vehicle.

A silicone rubber based thermal failure protection material and a preparation method and application thereof are provided. The material includes 100 parts of epoxidized silicone rubber, 0.5-10 parts of a vulcanizing agent, 0.1-8 parts of a vulcanization regulator, 2-40 parts of a flame retardant, 5-80 parts of a plasticizer and 5-100 parts of a reinforcing agent. The epoxidized silicone rubber isprepared by epoxidizing silicone rubber containing unsaturated double bonds with an epoxidizing agent. The vulcanizing agent is passivated N-aminoethyl piperazine and is prepared by adding N-aminoethyl piperazine into a kneading machine, feeding carbon dioxide and performing mechanical mixing. The vulcanization regulator is dialkyldithiophosphate. The material has excellent fireproofness, flame retardance, heat insulation performance, electric breakdown resistance, and the like, and is controllable in volume expansion so that the material is a thermal failure protection material with excellentcomprehensive performance, can be used for power batteries, modules thereof and other fields, and has a good application prospect.

The invention relates to organic lithium soap composite urea-based lubricating grease with excellent extreme-pressure wear resistance and a preparation method thereof, in particular to novel organic acid lithium soap composite urea-based lubricating grease containing an amino-containing saturated dinitrogen-containing heterocyclic compound and a preparation method of the novel organic acid lithiumsoap composite urea-based lubricating grease. The product is prepared from the following specific raw materials, by weight: 65-90% of base oil, 5-20% of organic lithium soap, and 3-12wt% of a thickening agent. According to the novel organic lithium soap composite urea-based lubricating grease, by introducing the N-aminoethyl piperazine and the organic lithium compound, the extreme-pressure wear resistance and the mechanical stability of the grease are improved on the basis of keeping the original properties of the urea-based lubricating grease unchanged, so that the service life of the lubricating grease under a bearing condition is prolonged. And the lubricating requirements of bearings and equipment under the conditions of frequent shearing and heavy load can be met.

The invention discloses a modified polyacrylonitrile which comprises polyacrylonitrile, a filling agent, a curing agent, an accelerant, a coupling agent, a flexibilizer and a vulcanizing agent, wherein the filling agent is glass fiber, the curing agent is N-aminoethylpiperazine, the accelerant is zinc dimethyldithiocarbamate, the coupling agent is methacryloxy propyl trimethoxyl silane, the flexibilizer is an acrylonitrile-butadiene-styrene copolymer, and the vulcanizing agent is benzoyl peroxide. According to the modified polyacrylonitrile, the filling agent, the curing agent, the accelerant, the coupling agent, the flexibilizer and the vulcanizing agent are added into the polyacrylonitrile, so that the modified polyacrylonitrile has the characteristics of being high in strength, high in abrasion resistance, excellent in tear resistance, and good in fatigue resistance.