1421 results about "Fatty amine" patented technology

The invention provides a novel method for preparing a latent nonionic self-emulsifying epoxy curing agent. The method comprises the following steps of: reacting long alkyl chain fatty amine with diglycidyl ether to prepare an addition product of which the middle part is connected with a long hydrophobic side chain and two ends are provided with epoxy groups; and reacting polyamine with a carbonyl compound to prepare an imine compound which contains secondary amine, and sealing the end to prepare the latent nonionic self-emulsifying epoxy curing agent. Under water environment, the imine structure in the curing agent hydrolyzes hydrophilic amino, and the curing agent contains the long hydrophobic alkyl chain, so the curing agent has the functions of emulsifying and curing an epoxy resin. The curing agent can be used for water-based epoxy emulsion coatings, water-based epoxy resin modified emulsified asphalt and cement and the like, and has excellent adhesion performance of ketimine on a wet surface. Due to the introduction of hydrophobic chains, the stability of the imine curing agent is improved in the water environment, and the performance of the curing agent in the aspect of wet surface or underwater adhesion can also be improved.

The invention discloses a composition containing HFC-161 and a stabilizer, wherein the stabilizer is selected from one or more of epoxy compound, nitro-compound, hindered amines, hindered phenols, secondary arylamines, beta-diketones, phosphite esters, salicylic acid esters, cinnamic acid esters, hydroxybenzophenones, hydroxybenzoic acids, hydroxylphenyl benzotriazoles, hydroxylphenyl triazines, oxanilides, formamidines, polyhydric alcohols, ortho-formates, organosulfur compounds, olefins, ethanol amines and fatty amines. The composition provided by the invention is capable of keeping a stable state in a long time under the coexistence of air or oxygen, and capable of being used as a heat transfer composition in the form of a liquid or a gas, a refrigerant, an aerosol propellant and the like.

The invention discloses a Gemini quaternary ammonium salt cationic surfactant with sterilization effect. The preparation method of the Gemini quaternary ammonium salt cationic surfactant disclosed by the invention relates to that a dihalide and a fatty amine are reacted in an organic solvent, i.e. a dibromo-matter and an alkyl tertiary amine perform chemical reaction in an ethanol (or acetone or ethyl acetate) solution at the room temperature or at a low temperature and normal pressure condition, so as to synthesize a series of Gemini quaternary ammonium salt cationic surfactants. The method for synthesizing the Gemini quaternary ammonium salt cationic surfactant is simple and convenient, stable in reaction process, easy for operating and controlling with a higher product purity and yield; besides, compared with the novel geramine, the method has better sterilization effect and has important application in the aspect of oil field germicide at the same time.

The invention discloses a graphene oxide modifying method and application thereof in engine lubricating oil. The method comprises the following steps: firstly preparing graphene oxide (GO) by adopting an improved Hummers process, and modifying the graphene oxide with long-chain fatty amine and organic silicon to obtain modified graphene derivative; and secondly, taking the modified graphene oxide as A), and compounding a friction modifier with a metal cleaning agent B), a metal corrosion inhibitor C), a complex antioxidant, an anti-foaming agent, a viscosity index improver, synthetic ester base oil and base oil, so that the engine lubricating oil added with the graphene oxide modifying agent is obtained. The method disclosed by the invention has the advantages that abrasion of an engine is greatly reduced by adding the graphene oxide modifying agent, so that oil draining period of automobile engine oil is prolonged to 50000 kilometers from 5000 kilometers, and fuel oil can be saved by 7-10% in the aspect of fuel economy.

The invention relates to the technical field of preparation of epoxy adhesives, particularly a high-strength high-toughness epoxy resin adhesive and a preparation method thereof. The epoxy resin adhesive comprises epoxy resin, diluter, coupling agent, fiber, filler, flame retardant, pigment, polyetheramine, fatty amine, aromatic amine curing agent, coupling agent and accelerator. Compared with the prior art, the high-strength high-toughness epoxy adhesive provided by the invention has the advantages of excellent adhesiveness, excellent thixotropy and excellent flowing resistance, and has high strength and favorable toughness after curing. The preparation method is simple to operate and suitable for industrial production. The epoxy adhesive can be used under harsh technological conditions, and has favorable effect on binding large-size components and devices.

The invention discloses a room temperature curing high-temperature-resistant high-tenacity epoxy adhesive and a preparation method thereof. The room temperature curing high-temperature-resistant high-tenacity epoxy adhesive is prepared from raw materials comprising a component A and a component B based on weight percent, wherein the component A comprises the following raw materials in weight percent: epoxy resin, a flexibilizer, a thinner, a coupling agent, fumed silica, a packing and a defoaming agent; the component B comprises the following raw materials in weight percent: alicyclic amine, polyamide, modified fatty amine, a coupling agent, fumed silica, a packing and a defoaming agent; the flexibilizer in the component A adopts epoxy resin modified by nanometer core-shell particles. According to the room temperature curing high-temperature-resistant high-tenacity epoxy adhesive disclosed by the invention, the excellent tenacity is achieved by using the common epoxy resin, the epoxy flexibilizer modified by the nanometer core-shell particles and the polyamide curing agent; the epoxy resin is cheap in price, accessible and capable of retaining higher shear strength at the high temperature; when alicyclic amine and modified fatty amine are selected and used as curing agents, the Tg can be higher, and the shear strength at the high temperature can be kept excellent.

The present invention relates to a cylinder lubricant having a BN determined according to standard ASTM D-2896 greater than or equal to 15, preferably greater than 20, preferably greater than 30, advantageously greater than 40 milligrams of potash per gram of lubricant, comprising:

• • one or more lubricating base oils for marine engines,
  • at least one detergent based on alkali or alkaline-earth metals, overbased with metallic carbonate salts, optionally in combination with one or more neutral detergents,
  • one or more fatty amines and/or derivatives of oil-soluble fatty amines having a BN determined according to standard ASTM D-2896 comprised between 150 and 600 milligrams of potash per gram, preferably comprised between 200 and 500 milligrams of potash per gram.

This lubricant has sufficient neutralization power vis-à-vis the sulphuric acid formed during the combustion of high-sulphur fuel oils, whilst limiting the formation of deposits during the use of low-sulphur fuel oils.

The invention relates to a manufacturing method of the vegetable oil polyalcohol which can be used to make various polyurethane rigid foam materials. It uses vegetable oil and low-substituted fatty amine and/or polyalcohol to act with alkali. The hydroxyl value of the formed polyalcohol is 200-700 mgKOH/g. It has the advantage of simple technology and convenient post processing. And it is fit for industrialized large scale production.

The invention relates to a foam sealing channeling composition, a preparation method thereof and applications thereof, mainly solving a gas channeling problem in gas-drive oil recovery processes at present. According to the technical scheme, the foam sealing channeling composition, the preparation method thereof and the applications thereof are adopted, wherein the foam sealing channeling composition comprises a cationic foaming agent, an anion-nonionic foaming agent and gas; the cationic foaming agent, the anion-nonionic foaming agent and the gas are mixed to form foams; the cationic foaming agent is any one of a quaternary ammonium salt and a quaternary amine alkali; the anion-nonionic foaming agent is any one of fatty alcohol polyoxyethylene/polypropylene ether carboxylate or fatty alcohol polyoxyethylene ether/polypropylene ether sulfonate; the gas is any one that has an inert relationship with the foaming agents; the molar ratio of the cationic foaming agent to the anion-nonionic foaming agent is 1:0.01-100; and the volume ratio of the gas to the liquid is 0.1-10:1. By the technical scheme, the problem is solved well and the foam sealing channeling composition can be used in enhanced oil recovery processes of an oil field.

Quaternary ammonium, betaine, or sulfobetaine compositions derived from fatty amines, wherein the fatty amine is made by reducing the amide reaction product of a metathesis-derived C₁₀-C₁₇ monounsaturated acid, octadecene-1,18-dioic acid, or their ester derivatives and a secondary amine, are disclosed. Quaternary ammonium, betaine, or sulfobetaine compositions derived from fatty amidoamines, wherein the amidoamine is made by reacting of a metathesis-derived C₁₀-C₁₇ monounsaturated acid, octadecene-1,18-dioic acid, or their ester derivatives and an aminoalkyl-substituted tertiary amine, are also disclosed. The quaternized compositions are advantageously sulfonated or sulfated. In one aspect, the ester derivative of the C₁₀-C₁₇ monoun-saturated acid or octadecene-1,18-dioic acid is a lower alkyl ester. In other aspects, the ester derivative is a modified triglyceride made by self-metathesis of a natural oil or an unsaturated triglyceride made by cross-metathesis of a natural oil with an olefin. The quaternary ammonium, betaine, and sulfobetaine compositions and their sulfonated or sulfated derivatives are valuable for a wide variety of end uses, including cleaners, fabric treatment, hair conditioning, personal care (liquid cleansing products, conditioning bars, oral care products), antimicrobial compositions, agricultural uses, and oil field applications.

The present invention relates to a fatty amine polyoxyethylene ether carboxylate and a preparation method thereof, wherein problems that the foaming agent has poor thermal stability, produces precipitate after contacting divalent ions, and can not meet requirements of high temperature and high salinity stratum foam flooding in the existing foam flooding enhanced oil extraction technology are mainly solved with the present invention. The technical scheme comprises that: a fatty amine polyoxyethylene ether carboxylate having a molecule general formula (I) and a preparation method thereof are adopted, wherein M is one selected from an alkali metal, an alkaline earth metal or an ammonium group, R is a C8-C40 alkyl, and the sum of m and n is an integer of 1-40. With the technical scheme, the problems in the prior art are well solved, and the fatty amine polyoxyethylene ether carboxylate can be used for foam flooding enhanced oil extraction. The formula (I) is as the follow.

The invention relates to a method for preparing a gydroxysulfobetaine amphoteric surface active agent including a polyether chain segment, belonging to the technical field of preparation of surface active agents. The gydroxysulfobetaine amphoteric surface active agent including the polyether chain segment is prepared by taking fatty amine polyoxyethylene ether and 3-chlorine-2-hydroxyl propane sodium sulfonate as raw materials. The gydroxysulfobetaine amphoteric surface active agent including the polyether chain segment is shown as a chemical structural formula in the specification. According to the gydroxysulfobetaine amphoteric surface active agent including the polyether chain segment synthesized by using the method disclosed by the invention, three hydrophilic groups consisting of polyoxyethenyl, quaternary ammonium salt and sulfonyl and hydrophobic alkyl are included; the gydroxysulfobetaine amphoteric surface active agent including the polyether chain segment has the two good surface activities of the non-ionic and amphoteric surface active agent; in addition, besides the good performance of the traditional gydroxysulfobetaine amphoteric surface active agent, the performances, such as water solubility, detergency, emulsifiability, dispersibility, solubilising power and the like, are improved obviously.

The invention discloses a leveling agent for wool and real silk and a preparation method thereof. The leveling agent for the wool and the real silk comprises the following raw materials in parts by mass: 8-10 parts of fatty amine polyoxyethylene ether, 5-8 parts of benzyl sulphonic acid sodium salt, 2-4 parts of polyvinylpyrrolidone, 4-7 parts of stearic acid, 6-8 parts of urea, 15-18 parts of water and 30-35 parts of glycol. The leveling agent enables the wool and the real silk to be uniformly coloured during dying and have good uniform dying performance, improves the dying ratio of a dye, meanwhile is reasonable in formula, relatively mild for the wool and the real silk, and enables the wool to retain the original fiber strength after uniform dying.

The invention relates to a polyurea lubricating grease composition. The lubricating grease composition contains 72 to 95 weight percent of base oil and 5 to 28 weight percent, preferably 7 to 20 weight percent of diurea thickening agent; and the diurea thickening agent is prepared by reaction of monoamine and diisocyanate, the monoamine is a mixture of fatty amine and aromatic amine, and the molar ratio of the fatty amine to the aromatic amine is 5:1-1:5. The lubricating grease composition is polyurea lubricating grease, and has excellent high temperature resistance; and the lubricating grease composition has the characteristics that: the penetration value of the composition after being baked at a high temperature for long time is changed little compared with the composition baked at room temperature, namely the consistency of the composition is changed little, and the composition does not obviously become hard to affect the lubricating effect or become soft to cause high-temperature loss. The room-temperature and high-temperature penetration changes of the lubricating grease composition and the common high-temperature lubricating grease are shown as a table 1, and the constant temperature time of the lubricating grease composition at the high temperature is 24 hours.

The invention discloses a high-temperature resistance carbon fiber/epoxy resin composite material, a preparation method and use. The method comprises the steps of preimpregnation material preparation and composite material curing forming. Through introducing a kind of latent accelerating agents of fatty amine hydrofluoride, the method reduces the forming time of the composite materials in a mold, effectively improves the production efficiency, reduces the production cost, and can not shorten the storage period of the preimpregnation materials. Through the high-temperature heat treatment, the invention further improves the crosslink density of the resin, and is favorable for improving the vitrification conversion temperature of the composite materials, and at the same time, the high-temperature heat treatment can effectively eliminate the inner stress produced by fast curing. The prepared composite material has good mechanical property and abrasion resistance performance, the vitrification conversion temperature of the composite material is between 190 and 210 DEG C, and the 180 DEG C high-temperature environment resistance requirements can be met.

The invention discloses a preparation method of a naturally-degradable compound fertilizer anti-blocking agent and an application thereof. The naturally-degradable compound fertilizer anti-blocking agent comprises the following components in percentage by mass: 10-20 percent of fatty amine or salt thereof, 20-25 percent of stearic acid, 15-20 percent of oleic acid, 5-15 percent of refined glycerin and 20-50 percent of waste edible oil and fat, and the sum of all the components is 100 percent according to the percentage. The preparation method comprises the following steps of: mixing all the components according to the proportion, heating to be 70 DEG C -85 DEG C, and stirring and reacting for 15 minutes-30 minutes. The used amount of the compound fertilizer anti-blocking agent is 05-2.0kg/t (compound fertilizer), and a granulation mode of a high air-cooling crystallization tower of an all-molten compound fertilizer is adopted to mix the naturally-degradable compound fertilizer anti-blocking agent with the compound fertilizer. In the preparation method and the application thereof, the processing is simple, the use cost is low, the anti-blocking performance is good, the purely natural and environmentally-friendly performances are achieved, the absorption of crops is convenient, the fertilizer effect is enhanced, and the soil is protected.

A method for enhancing the solderability of a metallic surface is disclosed where the metallic surface is plated with an immersion silver plate prior to soldering, which immersion silver plate is treated with an additive selected from the group consisting of fatty amines, fatty amides, quaternary salts, amphateric salts, resinous amines, resinous amides, fatty acids, resinous acids, ethoxylated derivatives of any of the foregoing, and mixtures of any of the foregoing. The immersion silver deposits created are resistant to electromigration.