24 results about "Oleic acid amide" patented technology

The invention discloses a lubricating grease composition I and a lubricating grease composition II, wherein the lubricating grease composition I is used as a raw material of the lubricating grease composition II. The lubricating grease composition I comprises 60-90 parts of base oil, 5-20 parts of a fatty acid composition, 2-5 parts of lithium hydroxide, 2-6 parts of modified nano boron nitride and 5-15 parts of an additive; wherein the viscosity of the base oil at 40 DEG C is 30-60 mm < 2 > / s, and the base oil is prepared by compounding and mixing 60%-90% w / w of poly-alpha-olefin synthetic oil (PAO) and the balance of synthetic ester (POE) belonging to V-type synthetic oil; the fatty acid composition is prepared from 12-hydroxystearic acid and unsubstituted C14-C20 saturated long-chain fatty acid, wherein the mass of the 12-hydroxystearic acid is 1 to 10 times that of the unsubstituted C14-C20 saturated long-chain fatty acid; the modified nano boron nitride is oleamide modified nano boron nitride; the additive is selected from at least one of an antioxidant, an anti-rust agent and an extrusion anti-wear agent. The invention also discloses application of the lubricating grease composition II as lubricating oil in lubrication of axle box bearings of high-speed railway trains with the speed of not less than 400km / h.

The application discloses a manufacturing process of a stamping processing protective film, which comprises the following steps: step one, stirring and mixing zinc oxide, polysebacic acid-decanediol diol and dicyclohexyl carbodiimide at 50-60 DEG C to obtain material A; step two, putting 100 parts of low-density polyethylene with a melt index of 0.5-5 g / 10 min, metallocene linear low-density polyethylene with a melt index of 1.8-2 g / 10 min, oleic acid amide, zinc stearate, stearate and an antioxidant into a mixer, uniformly mixing and then extruding and granulating in a double-screw extruder to obtain material B; step three, putting material A, material B and terpolymer polypropylene into a banbury mixer, discharging after banburying for 10-30 min to obtain a master batch; and step four, blow molding the master batch to obtain a polyethylene base material layer. The protective film improves the elongation at break of the film and also improves the puncture resistance of the protective film.

The application provides an oleic acid amide compound, a preparation method and a method for improving propellant performance, and the method for improving propellant performance comprises the following steps: adding the oleic acid amide compound into a solid propellant with a solid content greater than or equal to 90% as an additive for reducing the viscosity of a solid propellant slurry and improving the flow leveling property of the solid propellant slurry. The oleic acid amide compound of the application can significantly improve the wetting state of solid particles and a binder system of the propellant, so that the solid particles are easily dispersed, the structural strength hindering the flow in the slurry is reduced, the yield value and the viscosity of the slurry are reduced, and the flow leveling index of the slurry is improved. The application effect of the oleic acid amide compound in the solid propellant with a solid content greater than or equal to 90% is good.

The invention discloses a PET base film and a PET base film plate preparation method, and relates to the technical field of plates, the PET base film comprises PET resin, oleamide, silicon dioxide, an antioxidant and a flake mica sheet, the antioxidant is formed by mixing a hindered phenol antioxidant and a phosphite ester antioxidant, and the aspect ratio of the flake mica sheet is 80-150; the PET film is adopted to replace a traditional LVT plate bottom film, the characteristic that the intermolecular structure of the PET material is tighter is fully utilized, the barrier property of the material is remarkably improved, and therefore migration and precipitation of a plasticizer are effectively inhibited.

The application discloses an environment-friendly anti-freezing reinforcing agent for fly ash autoclaved aerated concrete and a preparation method thereof. The anti-freezing reinforcing agent comprises the following components in percentage by weight: 10-20% of oleic acid amide, 5-10% of triethanolamine, 5-10% of lignosulfonate, and the rest is water. The anti-freezing reinforcing agent for fly ash autoclaved aerated concrete is obtained by compounding oleic acid amide, triethanolamine and lignosulfonate. The anti-freezing reinforcing agent is compatible with the raw material system and autoclaving process of the fly ash autoclaved aerated concrete. Through multiple synergistic effects, the anti-freezing and thawing durability of the fly ash autoclaved aerated concrete is significantly improved, meanwhile, the dry density, compressive strength and other basic performances of the fly ash autoclaved aerated concrete are not negatively affected, and the anti-freezing reinforcing agent is environment-friendly.

The invention relates to low-moisture active isocyanate and a preparation method thereof, and belongs to the technical field of isocyanate synthesis. The preparation method comprises the following steps: firstly, blocking isocyanate ends of isocyanate propyl triethoxy silane and 3-isocyanate propyl trimethoxy silane by using a pyrazole blocking agent, and then converting the blocked isocyanate ends of the isocyanate propyl triethoxy silane and the 3-isocyanate propyl trimethoxy silane with gamma-methacryloyloxy propyl triisopropoxy silane to form a multi-branched diisocyanate-terminated intermediate; high steric hindrance of the multi-branched chain significantly reduces the water vapor transmittance, the sealing agent can prevent the isocyanate end from reacting with water vapor during storage and processing, and the active isocyanate end released by heating participates in crosslinking during subsequent application; the low-moisture active isocyanate is obtained by blending, compounding and modifying with oleamide and a photoinitiator, and is subjected to UV curing in subsequent application, so that the surface energy is further reduced, and the contact with water is reduced. The isocyanate prepared by the method disclosed by the invention has the effect of low moisture.

The invention discloses a rhamnolipid composite oil displacement agent as well as a preparation method and application thereof, and relates to the technical field of oil field oil extraction agents. The main active component of the composite oil displacement agent is rhamnolipid produced by fermentation of pseudomonas aeruginosa CCTCC NO. M 2025023, and the composite oil displacement agent further comprises coconut oil fatty acid diacetamide, sodium dodecyl benzene sulfonate, sodium cocoyl glycinate, coco-dimethyl betaine and oleamide propyl betaine. The invention also provides a preparation method of the rhamnolipid composite oil-displacing agent, which comprises the following steps: (1) fermenting strains to produce rhamnolipid, (2) preparing rhamnolipid fermentation supernate, or extracting a rhamnolipid product, and (3) preparing the rhamnolipid composite oil-displacing agent. And (3) adding five additives into the rhamnolipid fermentation supernatant, or adding the rhamnolipid extract and the five additives into water to prepare the rhamnolipid composite oil-displacing agent. The rhamnolipid composite oil-displacing agent disclosed by the invention is simple and convenient to prepare, economical, environment-friendly and high in oil-displacing activity, and can be applied to improving the oil recovery ratio.

The invention discloses a skin-sourced streptococcus infantis CCSM002 capable of improving skin health and a metagen of the streptococcus infantis CCSM002, and belongs to the field of microbial technologies and medicines. The streptococcus infantis CCSM002 provided by the invention has the capability of generating oleamide, D-erythrodisphingosine and (2-oxo-2, 3-dihydro-1H-indole-3-yl)-acetic acid, and the strain has a good effect of repairing a barrier function in the aspect of external use and a good application prospect, specifically, the activity of damaged HaCaT cells is improved in vitro, the activity of the damaged HaCaT cells is improved, the activity of the damaged HaCaT cells is improved, and the activity of the damaged HaCaT cells is improved. The expression of tissue kininolase is reduced, and the gene level expression of FLG, IVL, AQP3, ZO-1 and Occludin can be improved at the same time in the aspect of improving functional protein and structural protein after damage. Therefore, the streptococcus infantis CCSM002 has a huge application prospect in preparation of external daily chemical products or medicines for repairing the skin barrier.

The application relates to the packaging box processing field and particularly discloses a packaging box printing process. The packaging box printing process comprises the following steps: S1: a pretreatment liquid is brushed on the surface of a packaging box to be printed for 10-15 minutes and then heated and dried, wherein the pretreatment liquid is prepared by mixing the following raw materials in parts by weight: 80-100 parts of water and 5-7 parts of water-soluble chitosan; S2: 50-70 parts of a connecting agent, 8-12 parts of pigment, 40-55 parts of water, 1-3 parts of polyether modified silicon defoaming agent, 1-3 parts of oleic acid amide and 10-15 parts of nano titanium dioxide are uniformly mixed to prepare water-based ink; and S3: the water-based ink is sprayed on a paper packaging box to be printed and dried. In addition, the printing process has the advantages that the water-based ink printed has good adhesion.

The invention relates to the technical field of sealing strips, and provides a rubber sealing strip and a preparation method thereof.The rubber sealing strip is prepared from, by weight, 55-65 parts of nitrile rubber, 5-7 parts of natural rubber, 40-50 parts of filler, 15-20 parts of plasticizer, 0.5-1.5 parts of anti-aging agent, 0.4-0.8 part of vulcanizing agent, 0.8-2 parts of accelerant, 0.5-1 part of stearic acid and 2-4 parts of zinc oxide. The filler is prepared from the following raw material components in parts by weight: 80 to 100 parts of carbon black, 2 to 5 parts of oleamide and 1 to 3 parts of methyl 2-chloro-4-aminobenzoate. Through the technical scheme, the problem of low mechanical strength of the rubber sealing strip in the related technology is solved.

The crystal extraction device comprises a water chilling unit, the top end of the side wall of the water chilling unit is electrically connected with a power line, the side wall of the water chilling unit is fixedly connected with a plurality of laying assemblies side by side at equal intervals, and the bottom end of the water chilling unit is fixedly connected with a plurality of moving assemblies in a rectangular array mode. And one side of the top end in the moving assembly is fixedly connected with an emergency braking assembly. According to the scheme, the crystal extraction device is provided with the emergency braking assembly, when the water chilling unit is moved, the water chilling unit needs to be braked emergently, at the moment, a worker steps on a mounting plate in the emergency braking assembly downwards, and then one end of the mounting plate moves downwards; the emergency brake pads are made of rubber components, so that friction force between the emergency brake pads and the moving wheels can be increased, the moving wheels stop working, and the phenomenon that the water chilling unit collides with other objects during transferring is avoided.

The application discloses an easy-to-process salt-fog-resistant electromagnetic shielding rubber material and a preparation method and application thereof, and relates to the technical field of electromagnetic shielding materials.The application comprises the following components by weight: 100 parts of silicone rubber kneaded glue or fluorosilicone rubber kneaded glue, 1-5 parts of a structure control agent, 200-500 parts of conductive metal powder, 5-20 parts of a conductive reinforcing agent, 4-10 parts of an internal lubricant, 3-8 parts of a composite coupling agent, 1-4 parts of a vulcanizing agent and 1-2 parts of an auxiliary crosslinking agent.The internal lubricant such as oleic acid amide is used to modify the electromagnetic shielding rubber, so that the electromagnetic shielding rubber has the properties of easy processing and salt-fog resistance, and has great significance for improving the electromagnetic protection capacity and optimizing the production process.

The application discloses a water-soluble core material cigarette explosion bead and a preparation method thereof. The explosion bead is composed of an outer layer wall material, an inner layer wall material and a core material. The outer layer wall material is gelatin, and the inner layer wall material is a blend containing a hydrophobic material, a wax material, a long-chain lipid and an interfacial adhesive. The interfacial adhesive is at least one selected from nano-mica sheet, nano-calcium carbonate and oleic acid amide. The core material is selected from a mixed solution or a solvent composed of a flavor and / or a natural extract and a solvent. The explosion bead of the application uses gelatin as the outer layer wall material to provide strength and ensure the roundness of the explosion bead. The inner layer wall material provides hydrophobicity. Meanwhile, the interfacial adhesive is used to improve the melt index of the blend and increase the bonding force between the outer layer wall material and the inner layer wall material. The three-layer structure ensures the water content, solves the problems of the strength and the roundness of the explosion bead, and improves the qualified rate of product preparation. The preparation method of the application adopts three-layer drop heads for one-time solidification forming, and is simple and controllable.

This invention belongs to the field of pharmaceutical technology. This invention provides the application of a three-component combination of hexadecanoic acid, stearonitrile, and oleamide in the preparation of a drug for the treatment of eczema; this invention demonstrates that the three-component combination of hexadecanoic acid, stearonitrile, and oleamide can treat eczema safely and without side effects; at the same time, it can improve the speed of onset and duration of efficacy in eczema treatment.

The application discloses a temperature-responsive essential oil liposome based on conformation transition of amide molecules and a preparation method thereof, and belongs to the technical field of liposome embedding essential oils. In the application, oleic acid amide is introduced into a lipid bilayer, an embedded structure construction method based on pH-induced conformation transition is adopted, the oleic acid amide is made to form a relatively loose conformation and is dispersed in an interface area of the lipid bilayer under weak alkaline conditions, then the pH of the system is slowly adjusted to a weak acid interval, hydrogen bonds between the amide molecules are re-established and conformation contraction occurs, and therefore, the 'conformation locking type embedding' of the amide molecules in the hydrophobic area of the lipid bilayer is realized. The application is not simple physical mixing, but pH-driven molecular rearrangement, so that the oleic acid amide is stably positioned in the interior of the lipid membrane, the hydrogen bond network of the oleic acid amide is broken and the conformation of the oleic acid amide is unfolded in a specific temperature interval, so that local space occupation mutation and structure defect formation in the membrane are caused, and rapid release is realized.

The application provides a rock asphalt modified asphalt based on a wet activation process and a preparation method thereof, and relates to the field of asphalt.The rock asphalt modified asphalt comprises the following raw materials in parts by weight: 82-90 parts of base asphalt, 9-17 parts of pretreated buton rock asphalt and 0.3-1.2 parts of a composite activation additive; the composite activation additive is composed of oleic acid amide and terpene resin in a mass ratio of 2.5-3.5:0.8-1.2; the modified asphalt is prepared by using the wet activation process.The modified asphalt prepared by the application has low cost and high performance, can be better applied in road engineering, can realize high-temperature anti-rutting and low-temperature anti-cracking high-quality road performance, and can also achieve a low cost.

The invention belongs to the technical field of nitrocotton processing, and particularly relates to nitrocotton for fireworks and a preparation method of the nitrocotton. In order to overcome the defects that an existing stabilizing agent is toxic and low in safety and environment-friendly index, nontoxic oleamide or acrylamide serves as the stabilizing agent, a desensitizer is not used, nitrocotton, a solvent and the stabilizing agent are added into a kneading machine according to the mass ratio of 100: (70-120): (0.7-1.5) to be plasticized, water is added for granulation after plasticization, and then wet smashing and dehydration are conducted to prepare the nitrocotton for fireworks. The nitrocotton is composed of two kinds of nitrocotton with different nitrogen contents, the nitrogen content of one kind of nitrocotton is 11.5-12.2%, the mass ratio of the other kind of nitrocotton is 40-60%, and the nitrogen content of the other kind of nitrocotton is 13.2-13.4%. The nitrocotton for fireworks prepared by the invention has the same performance as the existing product, and is high in stability and more environment-friendly.

The invention discloses a method for resource utilization of polyamide 6 residues. The method comprises the following steps: weighing nylon 6 residues, washing, dehydrating and drying; uniformly mixing the nylon 6 slag powder with calcium chloride and zinc stearate; mixing the materials with ethylene bis oleamide and polyolefin grafted maleic anhydride, and uniformly stirring the materials, the ethylene bis oleamide and the polyolefin grafted maleic anhydride; and adding the uniformly mixed materials into a double-screw extruder, carrying out extrusion molding by using double screws, carrying out water cooling by using a cooling water tank, carrying out air cooling by using a fan, carrying out pelletizing, discharging from a discharge port of a pelletizer, screening by using a vibrating screen, and transferring qualified materials to a cooling bin. The nylon 6 chips are prepared from the nylon 6 residues and the modification additive, so that the product performance is improved; the nylon 6 chips are prepared from the nylon 6 residues, caprolactam monomers and oligomers generated in the process of preparing the nylon 6 chips from the nylon 6 residues are recycled, and resource utilization of the nylon 6 residues is achieved.

The application discloses a photovoltaic cable for a sea surface wind power system, which comprises copper conductors twisted by a plurality of copper wires, a surface of the copper conductors is coated with an insulating layer, and a sheath layer is coated on the outer surface of the insulating layer; the sheath layer is composed of the following components in parts by weight: ethylene-octene copolymer 50 parts, ethylene-vinyl acetate copolymer 20-40 parts, LLDPE resin 15-30 parts, organic flame retardant 8-20 parts, anti-UV agent 0.3-1 part, irradiation sensitizer 0.5-1.2 parts, lubricant 1-2 parts, antioxidant 0.5-1.5 parts, maleic anhydride 1-3 parts, and oleic acid amide 0.7-2 parts; the irradiation sensitizer is at least one of triallyl isocyanurate, triallyl isocyanurate, and diallyl phthalate. The photovoltaic cable for the sea surface wind power system improves the color stability of the sheath layer of the cable in day-night seasonal changes and improves the weather resistance of the cable according to the harsh use environment of the offshore photovoltaic cable.

The application belongs to the technical field of oil and gas field chemistry, and particularly discloses a demulsifier for super-heavy crude oil. The demulsifier comprises the following components: deionized water 17%-21%, sulfonated asphalt powder 3%-4%, diethylene glycol monobutyl ether 26%-28%, L-64 type propylene glycol block polyether 40%-44%, oleic acid amide polyoxyethylene ether 7%-8%, and sodium octadecyl benzene sulfonate 1%, and the total amount of the above components is 100%. The demulsifier can reach a dehydration rate of more than 80% for super-heavy crude oil, effectively reduces the difficulty of oil-water separation of super-heavy crude oil, and has a low oil content of separated water.

The application discloses a kind of FFS packaging film and its preparation method, using LLDPE and low entanglement UHMWPE in-situ polymerization resin micro powder, nanometer montmorillonite and low melting point activated dispersion component to prepare pre-dispersion master batch;Low melting point activated component is using any one of erucic acid amide, oleic acid amide, stearic acid amide, ethylene stearic acid amide and aluminate coupling agent compound, and the compound ratio is 2 / 1, and after compounding, the use amount is 15-50wt% of the weight of montmorillonite;Pre-dispersion master batch is added in middle layer and outer layer resin in film production to blow FFS packaging film, and FFS packaging film is three-layer co-extruded film, and the basic formula is inner layer LDPE / mLLDPE 70 / 30, middle layer is HDPE / mLLDPE / LLDPE 60 / 20 / 20, and outer layer mLLDPE / LLDPE 40 / 60, and the application has the technical features of being capable of improving the comprehensive mechanical properties of film.

The invention discloses a high-density fermentation process of Paenarthrobacter nitroguajacolicus D8, wettable powder prepared by the high-density fermentation process, and application of the high-density fermentation process in degradation of petroleum wastewater. The invention further discloses a preparation method of the high-density fermentation process of the Paenarthrobacter nitroguajacolicus D8. The invention provides a high-density fermentation process based on optimal fermentation conditions, the viable count of the strain reaches 8.92 + / -0.31 * 10 < 10 > CFU / mL after the strain is fermented for 96 hours, and the total yield of a surfactant oleamide reaches 1.023 + / -0.014 mg / L; according to the wettable powder provided by the invention, the final viable count of the product is 1.22 + / -0.06 * 10 < 14 > CFU / g, the total yield of oleamide reaches 3.11 + / -0.15 mg / L, the water content of the wettable powder is 15.7%, and the viable count can still be kept at about 95% after the wettable powder is stored at the room temperature (20-25 DEG C) for one year; through the application in petroleum wastewater degradation, the petroleum degradation rate reaches 56.89%-86.13% after 48 h of treatment, and the lasting period is as long as 4 months. According to the technical scheme provided by the invention, a set of complete, efficient and environment-friendly in-situ bioremediation technical system for the petroleum-polluted water body is constructed.

The invention discloses a temperature response type essential oil liposome based on amide molecule conformation transformation and a preparation method thereof, and belongs to the technical field of liposome embedding essential oil. Oleamide is introduced into a lipid bilayer, an embedded structure construction method based on pH-induced conformation transformation is adopted, oleamide forms a relatively loose conformation and is dispersed in a lipid bilayer interface area under a weak alkaline condition, then the pH of a system is slowly adjusted to a weak acid interval, and the lipid bilayer is prepared. Hydrogen bonds among amide molecules are reestablished and conformational contraction occurs, so that'conformational locking type embedding 'of the amide molecules in a lipid double-layer hydrophobic region is realized. According to the invention, not simple physical mixing is adopted, but pH is adopted to drive molecular rearrangement, so that oleamide is stably positioned in a lipid membrane, hydrogen bond network rupture and conformation expansion occur in a specific temperature interval, local space occupation mutation and structural defect formation in the membrane are triggered, and rapid release is realized.

The application belongs to the technical field of high-voltage cross-linked polyethylene composition, and particularly relates to a water-tree-resistant cross-linked polyethylene insulation composition for high-voltage direct-current submarine cable and a preparation method and application thereof. The insulation composition comprises, in terms of weight parts, 80-120 parts of low-density polyethylene resin with a melt index of 1.9-2.1 g / 10 min; 0.2-0.3 parts of composite antioxidant; 1.25-1.85 parts of composite cross-linking agent; 0.2-0.3 parts of scorch inhibitor; 8-12 parts of water-inhibiting master batch; wherein the water-inhibiting master batch comprises 80-120 parts of composite polyolefin resin, 6-9 parts of composite water-inhibiting agent, 3.6-5.4 parts of maleic anhydride graft, and 0.15-0.25 parts of antioxidant; and the composite water-inhibiting agent comprises polyethylene glycol and oleic acid amide with a mass ratio of 8-12:1. The insulation composition can inhibit insulation scorching, resist water tree growth, has high gel content, fast extrusion cable forming speed, and stable production process.