73 results about "Amino functionalized" patented technology

The invention discloses a fruit and vegetable exosome extraction method based on ligand fishing. The fruit and vegetable exosome extraction method comprises the following steps: suspending amino-functionalized Fe3O4 (at) SiO2 nanoparticles in a glutaraldehyde solution, and adding activated agglutinin to obtain Fe3O4 (at) SiO2-agglutinin nanoparticles; adding a glutaraldehyde solution into agarose gel to obtain a size exclusion chromatographic column filler; the method comprises the following steps: dispersing Fe3O4 (at) SiO2-lectin nanoparticles in a PBS buffer solution to obtain a uniform suspension, adding the uniform suspension into a size exclusion chromatographic column filler to obtain a uniform slurry, filling the size exclusion chromatographic column with the uniform slurry, and flushing with the buffer solution to form a magnetic bead stationary phase; and loading fruit and vegetable supernatant into a size exclusion chromatographic column, passing through the magnetic bead stationary phase, cleaning residual impurities combined on the exosome-magnetic bead compound by using a buffer solution, and dissociating the exosome from the magnetic beads by using a competitive eluent of the exosome to obtain the high-purity fruit and vegetable exosome. The problem that an existing exosome extraction method is difficult to meet the requirements of high efficiency, simplicity, high purity and high activity at the same time is solved.

The invention provides an intelligent antibacterial konjac glucomannan composite film and a preparation method thereof. The intelligent antibacterial konjac glucomannan composite film is prepared by carrying out graft copolymerization on oxidized konjac glucomannan OKGM and amino-functionalized poly (N-isopropylacrylamide) PNIPAM-NH2 and then crosslinking with an antibacterial agent, the tail end of a molecular chain of the amino-functionalized poly (N-isopropylacrylamide) is provided with an amino group. The intelligent antibacterial konjac glucomannan composite film disclosed by the invention has temperature responsiveness, can control the release of an antibacterial agent according to environmental changes, ensures that the antibacterial agent is accurately released as required, and effectively prolongs the food preservation time and the food shelf life. The film is good in biocompatibility, has no obvious toxic reaction on human tissues and cells, and provides possibility for application in the field of biomedicine. Besides, the film has degradability, and the OKGM and the chitosan are natural high polymer materials and can be decomposed into harmless substances by microorganisms in the natural environment, so that the film meets the requirements of environmental protection and is beneficial to reducing environmental pollution.

The invention relates to an anti-icing super-hydrophobic coating for an aluminum conductor as well as a preparation method and application of the anti-icing super-hydrophobic coating. Single-ended epoxy fluorosilicone oil is grafted to the surface of an amino-functionalized metal organic framework material through an epoxy-amino ring-opening reaction to obtain a hydrophobically modified metal organic framework material, the hydrophobically modified metal organic framework material has a flexible fluorocarbon chain shell, and according to the design, the mechanical strength of a coating is enhanced through a rigid framework of MOFs; the stress concentration is relieved by utilizing the flexibility of a molecular chain of the fluorosilicone oil. The modified metal organic framework material is further dispersed in a matrix composed of fluorine-containing epoxy resin and an amino fluorosilicone oil curing agent, a multi-layer micro-nano structure is formed through ultrasonic dispersion and spraying curing processes, and the super-hydrophobic coating is obtained. According to the coating, through the synergistic effect of fluorosilane grafting modification and a micro-nano structure, the excellent performance that the static water contact angle is larger than or equal to 155 degrees, the rolling angle is smaller than or equal to 4 degrees, the ice adhesion strength is smaller than or equal to 40 kPa, and the wear resistance is excellent is achieved.

The invention discloses a polytetrafluoroethylene composition and a preparation process thereof, and relates to the technical field of high polymer materials, and the preparation process comprises the following steps: mixing plasma activated amido functionalized polytetrafluoroethylene powder with hydrophobic enhanced functionalized boron nitride microspheres under the protection of nitrogen to obtain an interface reactive compound premix; and placing the interface reactive composite premix in a mold, performing hot pressing to initiate an interface chemical bonding reaction between the plasma activated amino functionalized polytetrafluoroethylene powder and the hydrophobic enhanced functionalized boron nitride microspheres and realize surface passivation of the polytetrafluoroethylene powder, and then performing cooling demolding to obtain the polytetrafluoroethylene composition. The polytetrafluoroethylene composition obtained by the invention has high interface bonding strength, ultralow dielectric loss and excellent long-term hygrothermal environment stability, and effectively solves the contradiction between mechanical enhancement and dielectric property degradation and insufficient long-term reliability in the traditional modification technology.

The present disclosure provides a preparation method of a porous hydrogel adsorbent based on Radix astragali residues, including the following steps: subjecting residues of Chinese herbal medicine Radix astragali as a precursor to bleaching with NaClO2, alkaline washing with KOH, and high power ultrasonic treatment, thereby obtaining a precursor solution of uniformly dispersed cellulose nanofibers (CNFs); adding the precursor solution of CNFs to a mixed solution of N,N′-methylene bisacrylamide (MBA), acrylic acid (AA) and ammonium persulfate (APS), shaking evenly, and initiating a polymerization reaction at a predetermined temperature to form a monolithic gel; and cleaning the monolithic gel, putting the cleaned monolithic gel into a dimethyl sulfoxide (DMSO) solution containing epichlorohydrin to allow reaction, and transferring the product of the reaction to an aqueous sodium hydroxide solution containing triethylene tetramine to allow reaction, thereby finally obtaining an amino-functionalized porous hydrogel adsorbent.

The application discloses a modified polyurethane water-based functional coating and a preparation process thereof, and belongs to the technical field of water-based functional coatings. In the application, N,N-dimethylethanolamine is used as a blocking agent to block the isocyanate prepolymer, so that a latent type blocked isocyanate water-based polyurethane emulsion is prepared; lactide monomers, epoxy group grafted modified nano silicon dioxide and amino functionalized light stabilizer microcapsules are added into the emulsion; curing is carried out by using a two-stage process, that is, after preheating and water removal and film formation, 130-150 DEG C baking is carried out to trigger the deblocking of the DMEA blocked isocyanate, and the tertiary amine groups in the deblocked DMEA molecules immediately initiate the ring-opening polymerization of the premixed lactide monomers in the system in situ to generate polylactic acid segments which are chemically grafted to the crosslinked network. The application realizes the synchronous linkage of crosslinking and curing and polymer toughening, and the obtained coating has the characteristics of high crosslinking density, excellent flexibility and low internal stress.

The application provides a carbon nanotube grafted polymer nano plugging agent, a preparation method thereof and a prepared drilling fluid, and the preparation method comprises the following steps: S1, reacting acrylic acid and amino functionalized multi-walled carbon nanotubes in a mass ratio of 1:0.1-0.2 to generate acrylic acid modified carbon nanotubes; and S2, performing a copolymerization reaction on acrylamide, the acrylic acid modified carbon nanotubes and octadecyl dimethyl allyl ammonium chloride in a mass ratio of 25:0.2-0.8:1.2-2.0 to obtain the carbon nanotube grafted polymer nano plugging agent. The carbon nanotube grafted polymer nano plugging agent comprises an amide group, a quaternary ammonium salt structure and an amino group, enhances the micro-nano plugging capacity of the plugging agent, enhances the inhibition capacity of the plugging agent to the hydration expansion and dispersion of formation mud shale, and has good temperature resistance, salt resistance and dispersion stability.

The invention belongs to the technical field of high polymer materials and coatings, and relates to an amino POSS (Polyhedral Oligomeric Silsesquioxane) crosslinking system for a water-based coating. The system takes water as a continuous phase, and comprises a water-soluble amino functionalized polyhedral oligomeric silsesquioxane (NPOSS) and an epoxy functionalized polyacrylate polymer microsphere aqueous dispersion, additives belonging to volatile organic compounds (VOC), such as organic solvents and coalescing agents, are not additionally added into the system. When in use, NPOSS as a multifunctional cross-linking agent is subjected to amine-epoxy addition reaction with an epoxy functionalized polymer in a water phase, and a cross-linked thermosetting coating can be formed on the surface of a base material such as an aluminum material, glass and the like. Compared with an existing water-based paint technology, the technology has the advantage that VOC emission in the film forming process of the water-based paint is remarkably reduced. Meanwhile, the NPOSS endows the coating with excellent thermal stability, mechanical strength and chemical resistance. The curing strategy is completely water-based, simple and convenient in process, environment-friendly and suitable for various fields with environmental protection requirements such as home furnishing, automobiles, aerospace and the like.

The present invention relates to a sulfur crosslinkable rubber compound, a vulcanized rubber, a component, and a corresponding vehicle tire, the sulfur crosslinkable rubber compound comprising at least one polyisoprene at 40 to 80 phr, at least one amino-functionalized butadiene rubber at 10 to 40 phr and having a cis content of less than 80%, and at least one functionalized SBR rubber at 10 to 50 phr.

The present invention relates to an oil-based composition containing an oil-based solvent selected from hydrocarbon oils and an alkyl-terminated amino-functionalized silicone dissolved or dispersed in the oil-based solvent, as well as a process for its preparation. The invention also relates to a hair conditioning formulation containing the oil-based composition and a method of conditioning hair using the formulation.

The application discloses a kind of multistage filtration systems for ultrapure water production process, multistage filtration system includes primary filter device and secondary filter device, RO concentrated water stock solution is sequentially transported to primary filter device, secondary filter device;The inside of primary filter device is equipped with colloidal silica filter material, the inside of secondary filter device is equipped with colloidal iron filter material;Colloidal silica filter material is amino functionalized MOFs nanofiber composite membrane, colloidal iron filter material is nanofiber membrane with surface grafted hydroxamic acid group.The multistage filtration system for ultrapure water production process provided by the application has excellent colloidal silica removal effect and excellent colloidal iron removal effect.

Various embodiments of the present invention provide sizing compositions, fiber glass strands, cement boards, and other products incorporating fiber glass. In some embodiments, a sizing composition of the present invention comprises a starch, a nonionic lubricant, a silane comprising at least one amine and at least one aryl or arylene group, and an aminofunctional oligomeric siloxane.

The application relates to the technical field of packaging materials, and discloses an antistatic aluminum plastic film, a preparation method and application in lithium battery packaging, wherein the antistatic aluminum plastic film is prepared by dry compounding of an outer nylon film, an intermediate aluminum foil layer and an inner polyethylene composite film; the polyethylene composite film is composed of 60-80 wt% of metallocene linear low-density polyethylene resin and 20-40 wt% of carbon black-graphene polyethylene composite masterbatch; the carbon black-graphene hybrid particle contains an alkenyl functional group on the surface, and a free radical addition grafting reaction occurs between the linear low-density polyethylene resin and the carbon black-graphene polyethylene composite masterbatch through the action of an initiator; and the carbon black-graphene hybrid particle is prepared by Schiff base reaction of a dialdehyde alkenyl functional modifier and amino-functionalized carbon black and amino-functionalized reduced graphene oxide. The aluminum plastic film prepared by the application has excellent antistatic performance, heat sealing performance and barrier performance, and is used for packaging of lithium iron phosphate powder which is a positive electrode material of a lithium battery.

The invention relates to the technical field of gas adsorption separation, in particular to a method for improving stability of an IL-coated MOF composite material and preparation and application of the material. The method comprises the following steps: synthesizing multi-amino functionalized IL; carrying out cross-linking on the multi-amino functionalized IL by adopting a double epoxy group cross-linking agent to obtain cross-linked IL; and compounding the cross-linked IL and the MOF material through impregnation to prepare the IL-coated MOF composite material. The method belongs to a material post-modification strategy, the basic synthesis process of MOF or IL does not need to be changed, only one-step crosslinking is added before compounding, the crystalline structure of MOF is not damaged, dispersed IL molecules are locked into a whole through crosslinking, migration and loss of IL in MOF are limited, and the prepared IL-MOF composite material has excellent stability, adsorption performance and cycle performance and is suitable for industrial production. And the application requirements of industrial COS trapping and separation are completely met.

The application discloses a kind of composite flame retardant, epoxy resin composite material and preparation method thereof, the amino functionalized MOF nanoparticles of the present application is synthesized by DMF aqueous solution system one-step solvothermal reaction, then it is prepared MOF@APP flame retardant by the way of in-situ composite mediated by silane coupling agent, ultrasonic auxiliary, overall process is simple, condition is mild, controllability is strong, can stably synthesize the MOF nanoparticles of amino functional group abundance, particle size is uniform, and realize the stable composite of MOF and ammonium polyphosphate, avoid the phase separation, uneven dispersion problem brought by simple physical mixing, finally the flame retardant obtained has the carbon catalysis of MOF, smoke adsorption function and APP's intumescent flame retardant function, and the two form significant flame-retardant synergistic effect, fundamentally solve the problem that traditional APP flame retardant adds large amount, and the compatibility of epoxy resin is poor, easily leading to the serious loss of matrix mechanical property.

The invention relates to the technical field of industrial solid waste recycling and road engineering materials, and discloses a multi-solid-waste composite roadbed material and a preparation method thereof.The preparation method specifically comprises the steps that on the basis of the Schiff base condensation reaction mechanism, aldehyde group functionalized light-stable montmorillonite and octa-phenylamino-POSS functionalized asphalt which are researched and developed independently are subjected to chemical bonding type compounding, and the composite roadbed material is obtained; the high-performance asphalt is prepared; high-performance asphalt is emulsified to obtain high-performance emulsified asphalt, the high-performance emulsified asphalt and cement are used as organic-inorganic composite gelling components, an industrial solid waste system composed of ardealite, titanium gypsum and yellow phosphorus slag is immobilized, and the multi-solid-waste composite roadbed material is prepared and shows excellent ultraviolet aging resistance. And the compressive strength can meet the technical requirements of cement stabilizing materials for heavy traffic load grade bases of expressways and first-grade highways in JTG D50-2017 on 7d unconfined compressive strength of 4.0-6.0 MPa.

The invention discloses a preparation method of a mesoporous silica nanosphere composite material and application of the mesoporous silica nanosphere composite material as a lithium ion battery negative electrode material, and belongs to the field of material synthesis. The preparation method comprises the following steps: 1) dropwise adding a certain amount of a silane coupling agent and a silicon source into an aqueous solution containing a cationic surfactant to obtain a reaction solution, and after the reaction is completed, carrying out suction filtration, pickling and drying to obtain amino-functionalized mesoporous SiO2 nanospheres; 2) ultrasonically dispersing the obtained mesoporous SiO2 nanospheres in an aqueous solution containing carboxylic acid to obtain a dispersion liquid A; 3) dissolving an organic compound containing a nitrogen heterocyclic ring in water to obtain a solution B; 4) mixing the dispersion liquid A and the solution B, and after the reaction is completed, carrying out suction filtration to obtain a precipitate; and 5) carrying out carbonization reaction on the precipitate in an inert atmosphere to obtain the nitrogen-doped SiO2 (at) C composite material. The micron-sized two-dimensional sheet-shaped carbon structure is constructed through amidation reaction, and nano SiO2 is anchored in the micron-sized two-dimensional sheet-shaped carbon structure, so that the preparation method is ingenious and efficient, and has expandability and flexibility required by commercialization. The one-step amino functionalized mesoporous SiO2 nanosphere is uniform in particle and ordered in pore channel, and can be applied to the fields of catalysis, energy, adsorption, medicine and the like.

The present application relates to a kind of self-repairing solvent-free epoxy heavy-duty coating and its preparation and use method, belong to epoxy resin coating technical field.The coating is composed of A, B component;A component includes epoxy resin matrix, first microcapsule dispersed therein, inhibitor microcapsule and amino functionalized graphene nanosheet, the first microcapsule core is low viscosity epoxy healing agent, and the wall is polyurea, the core of inhibitor microcapsule is volatile inhibitor, and the wall is polylactic acid;B component includes modified amine curing agent and the second microcapsule dispersed therein, and the core of second microcapsule is latent curing agent, and the wall is polymethyl methacrylate.The coating of the present application has self-repairing and heavy-duty function, is suitable for the harsh corrosion environment of ship, aircraft, high-speed rail, ocean engineering and other fields, can significantly prolong the service life of component.

This invention relates to the field of air pollutant control and environmental protection materials technology, and discloses a low-temperature oxidation adsorbent and its application in flue gas NO. X The deep denitrification process utilizes a low-temperature oxidation adsorbent comprising an amino-functionalized micron-sized diatomite core layer and an aldehyde-functionalized nano-manganese-cerium composite oxide active shell layer. The core layer and the active shell layer are bonded by Schiff base covalent bonds formed by the condensation of amino and aldehyde groups, and C=N covalent bonds are formed at the interface between the two phases, constructing a micro-nano hierarchical composite material with integrated adsorption and catalysis functions. The micro-nano dual-scale rough structure on the surface of this material, along with the synergistic effect of low surface energy phenylsiloxane and diundecyl long-chain hydrophobic groups, endows the catalyst with excellent hydrophobic properties. Under harsh high humidity conditions of 100℃ and 10-20 vol% H2O, the catalyst can still maintain a denitrification rate of over 81%, and the activity loss rate is significantly lower than that of traditional physical mixed catalysts, effectively coping with fluctuations in industrial high-humidity desulfurization flue gas.

The invention provides a bowl-shaped Janus mesoporous silica nano motor and a preparation method and application thereof, and belongs to the technical field of novel biomedical materials and eye disease treatment. The preparation method comprises the following steps: preparing ZIF-8 amp by taking a ZIF-8 nanocube as a seed and taking tetraethoxysilane as a silicon source; the preparation method comprises the following steps: preparing an mSiO2 anisotropic nano hybrid, performing amino functional modification, etching to remove a ZIF-8 core to obtain amino functional bowl-shaped mesoporous silicon dioxide, and passing through B-mSiO2amp; and asymmetrically and covalently grafting catalase on the outer surface of the Janus mesoporous silica nano-motor through amino active sites on the surface of NH2 to obtain the bowl-shaped Janus mesoporous silica nano-motor. The nano-motor prepared by the invention can realize directional autonomous movement in the presence of H2O2 at an infected part, effectively enhances the penetrating ability of a drug across a corneal barrier, goes deep into corneal stroma and a bacterial biofilm, and solves the problem of low delivery efficiency of a traditional drug.

Amino-functionalized linear and cyclic oligosiloxanes, which have at least two silicon and two oxygen atoms as well as an organoamino group and methods for making the oligosiloxanes are disclosed. Methods for depositing silicon and oxygen containing films using the organoamino-functionalized linear and cyclic oligosiloxanes are also disclosed.

A composition or a contraceptive composition comprising a mucoadhesive polymer in a physiologically acceptable carrier, wherein the mucoadhesive polymer consists of 4 to 20 monomers units linked to each other via ether, ester or amide bonds, which monomer units are selected from the list consisting of amino functionalised C6 sugars, C6 sugars, amino functionalised C5 sugars, C5 sugars, amino acids, fatty acid derivatised C6 sugars and fatty acid derivatised C5 sugars and its uses thereof.

The invention provides an NH2-MIL-88B derived iron-based nano enzyme as well as a preparation method and application of the NH2-MIL-88B derived iron-based nano enzyme. The preparation method comprises the following steps: dissolving 2-aminoterephthalic acid and ferric trichloride hexahydrate in N, N-dimethylformamide, stirring, carrying out a hydrothermal reaction, centrifuging, washing, and drying to obtain NH2-MIL-88B precursor powder; and placing the NH2-MIL-88B precursor powder in a tubular furnace filled with hydrogen, calcining the NH2-MIL-88B precursor powder, and then cooling the NH2-MIL-88B precursor powder to obtain the NH2-MIL-88B derived iron-based nano-enzyme. According to the preparation method, a specific amino-functionalized MOF precursor is directly converted into an active body through a one-step hydrogen calcination method instead of being used as an inert carrier for loading other drugs, and the prepared iron-based nano-enzyme is rich in oxygen vacancy defects with specific concentration and can be used for preparing the nano-enzyme. The multi-enzyme catalytic activity similar to peroxidase, superoxide dismutase and catalase is excellent, and the multi-enzyme catalytic activity similar to peroxidase, superoxide dismutase and catalase and the characteristics of resisting bacteria and promoting wound healing are achieved.

An aqueous dispersion includes precrosslinked organopolysiloxanes, emulsifiers, and water. The precrosslinked organopolysiloxanes include units of the formula R2SiO2 / 2 (I), and on average at least one structural unit of the formula SiR1O2 / 2—Y—SiR1O2 / 2 (III) where Y is a divalent radical of the formula —R2—[NR3—R4—]nNR3—C(O)—C(O)—NR3—Z—NR3—C(O)—C(O)—NR3—[R4—NR3—]nR2—.

The present invention belongs to the technical field of epoxy resin composite materials, and provides a chloride-freeze-thaw-resistant glass fiber reinforced plastic composite material, a preparation method, and an application in preparing a water intake head. The composite material includes the following raw materials: 100 parts of epoxy resin, 20-30 parts of curing agent, 400-500 parts of alkali-free glass fiber cloth, 30-40 parts of polyimide composite fiber, 10-15 parts of epoxidized polybutadiene, 3-5 parts of silane coupling agent, and 5-10 parts of diluent. The preparation steps of the polyimide composite fiber include: immersing nanoparticles in an alcoholysis solution of an aminosilane coupling agent to amino-functionalize to obtain amino-modified nanoparticles; treating the polyimide fiber with nitric acid to obtain functionalized fiber; dispersing the amino-modified nanoparticles in an aprotic organic solvent to obtain a dispersion, immersing the functionalized fiber in the dispersion, and reacting to obtain a composite fiber. The composite fiber has the functions of adsorbing chloride ions, enhancing interfacial bonding, and improving chloride-freeze-thaw cycle resistance.

The invention relates to the technical field of rubber product manufacturing, and discloses an ethylene propylene diene monomer modified multilayer silicone tube and a preparation method thereof.The specific technical scheme includes that self-made hepta-epoxy type hydrogen-containing POSS and vinyl-terminated fluorosilicone oil are subjected to a hydrosilylation reaction to prepare epoxy functionalized POSS type fluorosilicone oil, and the epoxy functionalized POSS type fluorosilicone oil is subjected to a hydrosilylation reaction to prepare the ethylene propylene diene monomer modified multilayer silicone tube. Homemade amino-functionalized SiO2-EPDM is utilized to realize covalent bond interaction with the epoxy-functionalized POSS type fluorosilicone oil through an epoxy-amino ring-opening reaction, and the ethylene propylene diene monomer modified silicone rubber is prepared. The ethylene propylene diene monomer modified silicone rubber prepared by the invention realizes the effect of synchronously improving the strength and the toughness on the basis of excellent fuel medium corrosion resistance; on the basis, the silicone tube used as the cold shrinkage type cable accessory is designed and manufactured by adopting a multi-layer composite structure, and the durability of the silicone tube used in specific harsh environments such as underground coal mines, chemical plants and ocean platforms is effectively improved.

The invention provides a sizing method for carbon fibers with high interface bonding strength, which belongs to the technical field of carbon fibers and comprises the following steps: activating carbon fibers subjected to high-temperature carbonization; immersing the activated carbon fiber in the sizing liquid, and performing ultrasonic treatment to obtain the impregnated carbon fiber; wherein the sizing liquid is prepared from a sizing agent, and the sizing agent is prepared from diethanol amine modified novolac epoxy resin, a diepoxy terminated catechol-phenylboronic acid ester cross-linking agent, an amino-functionalized multi-walled carbon nanotube, amino-terminated polyether and water; and sequentially carrying out first high-temperature treatment and second high-temperature treatment on the impregnated carbon fiber to obtain the carbon fiber with high interface bonding strength. The sizing method provided by the invention effectively solves the problems of weak interface bonding force, easy debonding, brittle fracture and the like caused by chemical inertness of the surface of the carbon fiber, and obviously improves the interface shear strength, the interface stripping toughness and the overall cycle fatigue life of the carbon fiber composite material.

The invention relates to the technical field of knitted fabrics, and discloses a chinlon-spandex fabric with cool touch sense and a preparation process thereof.The preparation process of the chinlon-spandex fabric with the cool touch sense comprises the following steps that a modified biguanidyl compound reacts with a boron-containing compound, and a multifunctional modifier is obtained; the preparation method comprises the following steps: reacting an amino functionalized caprolactam monomer with 2-butyl-5-chloro-1H-imidazole-4-formaldehyde to obtain a modified caprolactam monomer; the modified caprolactam monomer is subjected to modification treatment by a multifunctional modifier and then is copolymerized with epsilon-caprolactam to obtain the high-performance PA6. Mixing the high-performance PA6 with the multifunctional cool-feeling filler to prepare cool-feeling polyamide fiber; the chinlon-spandex fabric with cool touch feeling is prepared by blending the cool chinlon fibers and the spandex fibers; the cool polyamide fiber contains the multifunctional cool filler and the high-performance PA6, so that the nylon / spandex fabric is endowed with cool touch feeling, the flame retardance, antibacterial property, sunscreen property and the like of the fabric are improved, and the wearing requirements of various occasions are met.

The invention discloses a high-wear-resistance charging cable sheath and a production method of a sheath material, and relates to the technical field of cables. Comprising a sheath layer, an arc-shaped groove structure and a nano silicon carbide coating which are sequentially arranged from inside to outside, and the sheath layer is prepared from 90-100 parts of polyurethane, 5-10 parts of a halogen-free flame retardant, 0.1-0.3 part of an antioxidant, 20-30 parts of filler, 0.1-0.3 part of a dispersing agent, 0.5-1 part of a lubricating agent and 0.2-2 parts of an anti-ultraviolet agent; the filler is silane modified acid etching carbon fiber, and is prepared by performing chemical etching on carbon fiber by using an acid etching medium and then performing silane functional modification by using amino functional polysiloxane. The charging cable sheath provided by the invention has excellent wear resistance and flame retardance, balances the relationship with mechanical properties, can adapt to frequent plugging and unplugging of a charging cable in use and friction between the cable and the ground, and prolongs the service life.

A process is provided for preparing an aqueous emulsion of an amino-functional polyorganosiloxane. The process includes mixing A) an amino-functional polyorganosiloxane, B) a non-ionic surfactant, and C) water; and thereafter mixing in additional starting materials including additional water, D) a water soluble salt, E) a pH adjusting agent, and F) a preservative. A phase inversion occurs during the process, such that the resulting emulsion has A) the amino-functional polyorganosiloxane in the internal, discontinuous phase and C) the water in an external, continuous phase.