53results about How to "Hydrophilic" patented technology

The utility model relates to a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The battery monomer comprises a shell, an electrode terminal and a pressure relief mechanism, the shell is provided with a first wall, the outer surface of the first wall comprises a first area and a second area, and the contact angle between the first area and electrolyte is larger than the contact angle between the second area and the electrolyte; at least one of the electrode terminal and the pressure relief mechanism is disposed in the first region. The first area and the second area with different contact angles are arranged on the first wall, so that the flow characteristics of the electrolyte on the first wall are different, and the electrode terminal and / or the pressure relief mechanism which are / is easy to corrode and difficult to clean are / is arranged in the first area, so that the electrolyte is more difficult to enrich in the first area; the electrolyte on the first wall can be effectively prevented from flowing to the position where the electrode terminal and / or the pressure relief mechanism is located, and important parts on the first area are effectively protected.

The invention relates to the technical field of medical materials, in particular to a tissue-adhesion-resistant polypropylene biomedical monofilament and a preparation method and application thereof, and the tissue-adhesion-resistant polypropylene biomedical monofilament is composed of a polypropylene monofilament and a tissue-adhesion-resistant functional polymer coating; the tissue adhesion resistant functional polymer coating is formed by carrying out free radical copolymerization on N-acryloyloxy succinimide and a zwitterionic monomer. According to the invention, the polymer with the anti-tissue adhesion function is fixed to the surface of the polypropylene monofilament, and chemical bonding is formed on the surface of the monofilament, so that the problem of coating shedding is solved, and the long-term anti-tissue adhesion effect is maintained. After the monofilaments are woven into the patch, the biomedical patch capable of inhibiting tissue adhesion and inflammatory reaction can be obtained without secondary treatment. Compared with the existing patch modification technology, the method is more suitable for industrialization.

The present application discloses an outdoor double-spray cloth coated with ultra-light water-based paint and a manufacturing process thereof, belonging to the field of advertising cloth. The outdoor double-sprayed cloth coated with ultra-light water-based paint comprises a base cloth layer, a waterproof and fireproof adhesive bottom layer and an ink receiving layer, wherein the waterproof and fireproof adhesive bottom layer is coated on two opposite sides of the base cloth layer, and the waterproof and fireproof adhesive bottom layer on one side is coated with an ink receiving layer; the base cloth is made of black and white high-strength silk; the coating for the waterproof and fireproof adhesive bottom layer comprises the following components in parts by weight: 23-30 parts of water-based thermoplastic adhesive, 6-12 parts of shading powder, 8-15 parts of fire retardant and 0.05-0.15 parts of waterproofing agent; the coating for the ink receiving layer comprises the following components in parts by weight: 8-12 parts of water-based thermoplastic adhesive, 0.5-1.5 parts of anti-ultraviolet finishing agent, 12-17 parts of hot melt powder and 1-3 parts of silicon powder; the advertising cloth has the characteristics of lightness, softness, high covering, high tensile strength, PVC-free, waterproof, fireproof, anti-ultraviolet, weldable and sprayable, and is particularly suitable for outdoor sunshade, rainproof and storefront building advertising.

The invention discloses a preparation method of a sweat-releasing and warm-keeping composite fiber blended knitted fabric, belongs to the technical field of fabric processing, and is used for solving the technical problem that the sweat-releasing and warm-keeping performance and the antibacterial performance of a cotton-containing warm-keeping knitted fabric in the prior art need to be further improved. The method comprises the following steps that pure cotton hollow yarn serves as a raw material, hydrophobic modification is conducted on the pure cotton hollow yarn, modified hollow cotton yarn is prepared, modified polyester fiber serves as a raw material, blending is conducted, and the modified polyester yarn with the linear density of 18-19 Tex is prepared. The moisture absorption performance and the quick-drying performance of the knitted fabric are effectively improved, the knitted fabric shows good perspiration and heat preservation performance, and the antibacterial performance of the knitted fabric is effectively improved.

The invention discloses a multi-layer special infiltrated MOF (Metal Organic Framework) derivative composite membrane as well as a preparation method and dual-function application thereof.The preparation method comprises the following steps: forming a compact and continuous MOF membrane on an inorganic substrate by adopting an in-situ growth method, and introducing metal activity on the surface of the MOF membrane and in a pore channel by adopting vapor deposition and heat treatment means, so as to obtain the multi-layer special infiltrated MOF derivative composite membrane. The multi-layer hydrophilic directional permeation multifunctional surface composite metal film material consisting of hydrophilic active bulges and a super-hydrophobic separation layer is formed; the material is simple and practical in preparation method, has a dual-function application value, can realize oil-water separation and catalytic degradation of soluble organic pollutants, and has a good application prospect.

The invention discloses a water collecting structure and a water chilling unit, and relates to the technical field of compression refrigeration, the water collecting structure comprises a condensation fan, a condenser and a collecting device which are arranged in sequence, and the condenser has hydrophilicity; the condensation fan and the condenser are communicated to form a water inlet channel of the water collection structure, the condenser and the collection device are communicated to form a water drainage channel of the water collection structure, and the water inlet channel is communicated with the water drainage channel. The water collecting structure effectively collects rainwater entering the draught fan and guides the rainwater to the collecting device, the rainwater is prevented from invading devices in the water chilling unit, and therefore the waterproof performance and reliability of equipment are improved.

The invention provides a composite binder and a preparation method thereof, positive electrode slurry and a preparation method thereof, and a positive electrode plate. The composite binder comprises a phenolic hydroxyl group and an anilino group. Wherein the phenolic hydroxyl group has hydrophilicity, and the anilino group also has certain hydrophilicity and can interact with hydrogen bonds in water molecules, so that the composite binder can form a stable dispersion system in water and is suitable for a water-based positive electrode formula.

The utility model discloses a washable quilt cover with a quilt core convenient to disassemble and assemble, which comprises a quilt cover body, a zipper is sewn on the surface of the quilt cover body, the zipper surrounds the surface of the quilt cover body in a C shape, two groups of pullers are connected onto the zipper in a sliding manner, the quilt cover body comprises an upper quilt cover and a lower quilt cover, the upper quilt cover is provided with a washable layer which is washable, and the lower quilt cover is provided with a washable layer which is washable. An anti-skid structure is arranged in the upper quilt cover, a skin-friendly layer is arranged on the lower surface of the lower quilt cover, and a positioning structure used for preventing the quilt core from moving in the quilt cover is installed in the lower quilt cover. According to the washable quilt cover, through the C-shaped arrangement of the zipper, the three faces of the quilt cover body are surrounded, the zipper is opened by pulling the puller, the upper quilt cover and the lower quilt cover are completely opened, a quilt core can be directly taken out, when the quilt core is installed, the four corners of the quilt core are plugged into the positioning structures to be positioned, then the zipper is closed by pulling the puller, and installation is completed. Therefore, the quilt core can be quickly dismounted and mounted, and convenience is provided for dismounting and mounting of the quilt core.

The invention discloses a production method of a high-transparency low-haze BOPET anti-fog film, the BOPET anti-fog film comprises a BOPET base film and an anti-fog coating coated on the surface of the BOPET base film, and the BOPET base film is composed of PET, PCTG, silicon dioxide and silicone oil. The antifogging coating is sprayed on the surface of the BOPET base film, so that the film has good antifogging performance.

The present invention provides a preparation method and application of composite particles for extracting cesium and uranium. The preparation method comprises the following steps: (1) preparing a large hollow ferroferric oxide core: using FeCl 3 6H 2 O, NaAc and sodium dodecyl sulfate were mixed and hydrothermally reacted to obtain large hollow FeO core particles; (2) Synthesis of AMP@PDA@Fe 3 O 4 Composite material: hollow ferroferric oxide core, ammonium phosphomolybdate particles and dopamine hydrochloride are mixed, separated, washed and dried to obtain AMP@PDA@Fe 3 O 4 Composite material (APF). The composite material prepared by the present invention retains the AMP property and can efficiently adsorb Cs(I) in seawater under the interference of high impurity ions; in addition, the composite material also has the PDA property and can efficiently adsorb U(VI) in seawater under the interference of high impurity ions.

The invention discloses a high-light-transmittance hydrophilic modified polypropylene composite material for vehicles and a preparation method of the high-light-transmittance hydrophilic modified polypropylene composite material. The high-light-transmittance hydrophilic modified polypropylene composite material comprises the following components in parts by weight: 70-95 parts of hydrophilic polypropylene, 5-25 parts of a toughening agent, 0.5-2 parts of an antistatic agent, 0.1-1 part of an epoxy resin aid, 0.1-1 part of an antioxidant and 0-2 parts of other aids. Homo-polypropylene is grafted with the ethylene-vinyl acetate copolymer through melting, so that polar groups are obtained, and the hydrophilic performance of the prepared composite material is improved. The high-rigidity polypropylene resin is adopted as a matrix and is compounded with the toughening body SEBS, so that the prepared composite material has low density, high rigidity and impact resistance.

This invention discloses a quaternary ammonium salt-modified lignin-based epoxy resin emulsion and its preparation and application methods. It is prepared by reacting quaternary ammonium salt, epoxidized lignin, polyamine compounds, reactive diluents, organic solvents, and water. The quaternary ammonium salt and polyamines are uniformly mixed and reacted in an organic solvent under stirring. Then, epoxidized lignin is added to continue the reaction, yielding the quaternary ammonium salt-modified lignin-based epoxy resin. Water is added to reduce the viscosity, resulting in the quaternary ammonium salt-modified lignin-based epoxy resin emulsion. After adding a curing agent and stirring evenly, it can be used to treat wood and bamboo materials by surface coating, immersion, vacuum impregnation, or pressure impregnation. The quaternary ammonium salt-modified lignin-based epoxy resin emulsion prepared by this invention exhibits good antibacterial, antifungal, and UV-resistant effects after curing, and its application to wood and bamboo materials can effectively improve their dimensional stability and durability.

A semiconductor structure, a method for forming the semiconductor structure, and an integrated circuit structure are disclosed. The method includes: providing a first substrate on which an electrode structure is formed, wherein the electrode structure is hydrophobic and the first substrate exposed by the electrode structure is hydrophilic; providing a polymer solution for forming a specific structure on the first substrate; providing a second substrate including a first surface and a plurality of spaced-apart walls protruding from the first surface, wherein the top surface of the walls is hydrophilic and the sidewalls and the exposed first surface of the walls are hydrophobic; dropping the polymer solution onto the top surface of the walls and placing the first substrate onto the second substrate to obtain an initial semiconductor structure; wherein the side of the first substrate with the electrode structure faces the second substrate, and the extension direction of the electrode structure is perpendicular to the extension direction of the walls; curing the polymer solution; and removing the second substrate from the initial semiconductor structure to obtain a target semiconductor structure. Embodiments of this disclosure improve device performance.

The invention relates to an electrolyte additive, an electrolyte, a lithium ion battery and an electric device. Wherein the electrolyte additive comprises a compound with a structural general formula as shown in a formula (I): # imgabs0 #, and m, n and p are independently selected from integers from 1 to 5. According to the electrolyte additive provided by the invention, a fluorocarbon side chain and a tertiary amine group in the compound with the structural general formula as shown in the formula (I) have a synergistic effect. On one hand, a fluorocarbon side chain has strong hydrophobicity, and a tertiary amine group has hydrophilicity, so that in a non-water environment, trace water is easily captured by the tertiary amine group, the contact between the trace water and an electrolyte salt is reduced, the electrolyte salt is prevented from being further decomposed to damage an interface and a positive electrode active material, and the cycle and storage performance of the battery under high voltage is improved; and on the other hand, H atoms on alkyl in a fluorocarbon side chain are all substituted by F atoms, so that the oxidation resistance of the electrolyte additive can be improved, and the electrolyte additive is prevented from being decomposed under high voltage.

The present invention provides a synergist for solid waste-based cementitious materials and a preparation method thereof, which belongs to the technical field of solid waste recycling, and includes: an organic liquid phase component, an inorganic liquid phase component and an inorganic solid phase component. The organic liquid phase component is prepared by mixing triethanolamine and triisopropanolamine with maleic anhydride and ferric chloride hexahydrate respectively, and then heating the mixture, and then mixing the intermediate obtained by the reaction with sodium methacrylate and concentrated sulfuric acid respectively, and then heating the mixture, and finally mixing the mixture in a certain proportion to obtain the synergist; the inorganic liquid phase component is prepared by filtering the filtrate obtained by alkali melting and hydrothermal reaction of red mud and coal gangue powder; and the inorganic solid phase component is prepared by grinding the filter residue obtained by filtering the filter residue obtained by alkali melting and hydrothermal reaction of red mud and coal gangue powder. The present invention exerts a synergistic effect through the three components, which is beneficial to the generation of AFt and C-S-H, so that the strength is formed quickly, and the strength is continuously increased in the later stage of hydration, so as to achieve the effect of early strength and high strength of solid waste-based cementitious materials.

A stationary phase for chromatography, which is obtained by supporting a polymer having an amine-based side chain on a support, the polymer having one or more repeating units selected from the group consisting of a repeating unit represented by formula (1) and a repeating unit represented by formula (2) (in the formulae, R 11 and R 21 represent a hydrogen atom or a methyl group; R 12 , R 13 , R 22 , and R 23 represent a saturated aliphatic hydrocarbon group; Y 1 and Y 2 represent an oxygen atom, NH, or NCH3; and n1 and n2 represent an integer of 1 or more and 8 or less).

The invention provides a preparation method of a PLA porous foam material. Comprising the following steps: crushing agricultural straws, extracting lignocellulose in the agricultural straws, and performing acetylation modification on the lignocellulose; the modified lignocellulose is subjected to micro-jet nanometer homogenization, and modified nanometer lignocellulose is obtained; polylactic acid particles and the modified nano lignocellulose are pretreated and then mixed, and mixed master batches are obtained; and extruding and foaming the mixed master batch to obtain the biodegradable PLA porous foam material. According to the invention, agricultural waste resources are fully utilized, so that the problem of treatment of agricultural wastes is solved, and the production cost of the porous foam material is also reduced.

The invention discloses a terpolymer, a terpolymer scale inhibitor and a preparation method and application thereof, and belongs to the technical field of water treatment. The invention provides a terpolymer, the structural formula of which is # imgabs0 #, and m, n and p are respectively any integer from 1 to 10. In addition, the invention also provides a preparation method of the terpolymer, which comprises the following steps: S1, mixing itaconic acid and water, heating to 60-70 DEG C, and adding aconitic acid; raising the temperature to 80-90 DEG C, and dropwise adding a 4-acryloylmorpholine aqueous solution and an initiator to obtain a mixture; and S2, continuously reacting the mixture at 80-90 DEG C to obtain the terpolymer. In addition, the invention also provides a terpolymer scale inhibitor which comprises the terpolymer or the terpolymer prepared by the preparation method. The terpolymer provided by the invention has the advantages of easily available raw materials, simple preparation method, low cost and excellent scale inhibition performance.

The application refers to Fe-Ni / polysulfone inorganic-organic hollow fiber hybrid membrane and a preparation method thereof, including a preparation process: step 1: dissolving polysulfone in an organic solvent and adding an additive, stirring to form a uniform solution; then adding 0.5% to 30% of Fe and Ni metal powder by mass ratio under stirring to obtain a spinning solution; step 2: mixing pure water and a polar solvent according to a certain ratio to form a uniform solution, obtaining an inner coagulation bath; step 3: transferring the spinning solution to a liquid supply tank after vacuum degassing, quantitatively and constantly conveying to a spinneret, at the same time, quantitatively and constantly conveying the inner coagulation bath into the spinneret, the spinning solution passing through an air gap and entering an outer coagulation bath, the hollow fiber membrane being coagulated and formed under the action of the inner / outer coagulation bath, being washed by pure water and dried to obtain the Fe-Ni / polysulfone hollow fiber membrane, which has a typical asymmetric structure, high mechanical strength and good biocompatibility, can significantly improve the hydrophilicity of the membrane and can also enhance the protein contamination resistance of the membrane.

The present invention discloses a proton exchange membrane and a preparation method and application thereof. The proton exchange membrane comprises a coating layer, wherein the coating layer contains hydrated nano-cerium oxide. The present invention adopts hydrated nano-cerium oxide as a free radical quencher, which is added to a coating liquid in the form of hydrated nano-cerium oxide sol and can be well and evenly dispersed; its surface is rich in hydroxyl groups, which can have the effect of water retention and humidification on the proton exchange membrane; the smaller particle size will not bring additional defects to the proton exchange membrane; the prepared proton exchange membrane has excellent durability.

This application belongs to the field of biomedical materials and tissue engineering technology, and discloses an antibacterial coating based on MDI-cured resin osteogenic scaffold and its preparation method. It innovatively uses diphenylmethane diisocyanate (MDI) as a curing crosslinking agent. With the help of its excellent reactivity and chemical properties, a variety of antibacterial agents (including tannic acid, ornidazole and minocycline hydrochloride) are firmly bound to the surface of a 3D printed blank resin scaffold, and a coating with hydrophilicity, high efficiency antibacterial properties and low cytotoxicity is successfully constructed, which has good antibacterial effect against both Gram-positive and Gram-negative bacteria.

This invention belongs to the field of imprinted sensor fabrication and application technology, and discloses a temperature-responsive yeast cell imprinted modified electrode, its fabrication method, and its application. This invention utilizes chronoamperometry and drop casting to modify gold electrodes, obtaining Au / AuNPs / Ti3C2T. x Au / AuNPs modified electrode. Using fluorescently labeled yeast cells as catalyst and template molecules, N-isopropylacrylamide as the temperature-responsive functional monomer and α-methacrylic acid as the auxiliary functional monomer, the electrode surface was modified using the MVL ATRP method. After removing the yeast cells, Au / AuNPs / Ti3C2T electrode was obtained. x / AuNPs / CIPs modified electrode. This modified electrode can be used as an electrochemical sensor for detecting yeast cells. This sensor has advantages such as fast detection speed and high sensitivity, with a linear response range of 1.0 × 10⁻⁶ for detecting yeast cells. 2 ~1.0×10 9 cells / mL.

The invention relates to the field of steel preparation, in particular to high-cleanliness steel and a preparation method thereof. The method comprises the following steps: firstly, carrying out steelmaking by adopting a converter-LF-RH-continuous casting process flow; then, the reaction product of triphenylmethane triisocyanate and glycidyl is further reacted with the reaction product of tetrafluorobutanediol and 2-methyl-2-acrylic acid-2-isocyanate ethyl ester, and an epoxy group modified fluorine-containing monomer is obtained; then dispersing the epoxy group modified fluorine-containing monomer in epoxy resin, adding butyl acrylate and methyl methacrylate, and polymerizing to obtain fluorine-containing acrylate polymer modified epoxy resin; and finally, mixing the fluorine-containing acrylate polymer modified epoxy resin, an epoxy diluent, nano silicon dioxide and a curing agent, coating the surface of the steel with the mixture, and curing to obtain the high-cleanliness steel. The steel prepared through the method is low in C, P, S and N element content and high in cleanliness, and the corrosion resistance of a surface coating is high.

The invention discloses a method for delaying aging of triticale steamed buns and a compound modifier, and belongs to the technical field of food processing. The compound modifier is prepared from the following components in percentage by mass: 40 to 60 percent of sodium alginate, 20 to 30 percent of cyclodextrin, 10 to 15 percent of monoglyceride and 10 to 15 percent of guar gum. The invention also relates to triticale steamed buns containing the compound modifier. The triticale steamed buns are prepared by adding the compound emulsifier into raw materials of the triticale steamed buns. The compound modifier is simple and convenient to use, and can effectively delay the aging phenomenon of the triticale steamed buns, increase elasticity, improve the structure and texture of the triticale steamed buns, improve sensory acceptability and prolong the shelf life of the triticale steamed buns. The method is suitable for solving the aging problem of the triticale steamed buns in food processing, and efficient production of triticale products and flour products is promoted.

This invention provides a foam modifier, its preparation method, and its application. The foam modifier comprises a surfactant, nanoparticles, and water; the surfactant includes anionic gemini surfactants and anionic nonionic surfactants; the nanoparticles are catecholamine polymer particles. The structural formula of the anionic gemini surfactant is [insert structural formula here], and the structural formula of the anionic nonionic surfactant is R6-O-(R8-O). n -R7; The foaming agent described has good foaming properties and good stability under high-salt and high-calcium-magnesium conditions, and can be applied in high-salt reservoirs.

The application relates to a preparation method of a high-flow reverse osmosis composite membrane based on a finger-shaped structure base membrane and an alginate nanotube separation layer, which comprises the following steps: S1, preparation of a casting solution: the casting solution comprises 15-18 wt% of solid polysulfone, 75-82 wt% of N, N-dimethylformamide and 0.5-9 wt% of a pore former, the above raw materials are uniformly mixed and placed, defoaming and filtration are carried out to obtain the casting solution; S2, uniformly spraying the casting solution on a base membrane and placing, placing the film in a water coagulation liquid to obtain a finger-shaped porous support polysulfone base membrane; S3, coating a binary amine aqueous solution on the finger-shaped porous support polysulfone base membrane obtained in the step S2 and drying; and S4, coating a multi-component acyl halide oil phase solution on the finger-shaped porous support polysulfone base membrane in the step S3 to prepare a composite membrane. The reverse osmosis composite membrane in the application can long-term improve and maintain water flux under the condition of ensuring a relatively optimal desalination rate, so as to improve membrane separation efficiency and reduce operation cost.

The present application relates to the technical field of polymer micelles, and particularly relates to a pH and reduction dual-responsive star polymer cross-linked micelle and a preparation method thereof.The pH and reduction dual-responsive star polymer cross-linked micelle takes pentaerythritol as a core, and other block structures include polyethylene glycol monomethyl ether, a dynamic imine bond, gamma-amino-epsilon-caprolactone, epsilon-caprolactone and a disulfide bond.After loading an anticancer drug doxorubicin, the cross-linked micelle can stably exist under a neutral condition of a human body normal tissue, and can slowly release the drug under a micro-acidic and high glutathione environment of a tumor cell.Compared with a non-cross-linked micelle, the stability of the cross-linked micelle under a neutral condition is obviously improved, and the cross-linked micelle can slowly release the drug under a tumor environment.

The invention relates to the technical field of pesticide formulations, and provides a suspending agent containing D-limonene and sophocarpidine and a preparation method thereof.The suspending agent containing D-limonene and sophocarpidine is prepared from, by weight, 0.002%-0.1% of D-limonene, 0.002%-0.1% of sophocarpidine, 1%-5% of wetting agents, 0.5%-2% of defoaming agents, 0.05%-0.2% of thickening agents, 4%-8% of auxiliaries, 1%-5% of antifreeze agents, 1%-3% of stabilizers and the balance solvents, the auxiliary agent comprises an aminoanisole sulfonic acid compound and / or N-hydroxymethyl acetamide. According to the technical scheme, the problems of low stability and poor dispersibility of the suspending agent in the prior art are solved.

The invention belongs to the field of pulping and papermaking, and particularly relates to an efficient cotton pulp cooking method based on fiber wax coat pretreatment. According to the method, the cotton fiber raw material is effectively pretreated to remove a wax coat on the surface of the fiber, so that the hydrophilicity and the liquid medicine permeability of the fiber are improved. The method comprises the following steps: carrying out infiltration expansion treatment on a cotton fiber raw material to loosen a fiber structure; then, an alkaline solution and / or enzyme are / is adopted for removing a wax layer on the surface of the cotton fiber; and washing, neutralizing and then carrying out conventional alkaline cooking. Through the pretreatment process, the wax coat on the surface of the cotton fiber is effectively stripped, the surface energy of the fiber is obviously improved, the liquid medicine can quickly permeate into the fiber, and the cooking reaction is more uniform, so that the comprehensive effects of shortening the cooking time and improving the slurry yield are realized. The method is easy and convenient to operate, low in environmental load and suitable for the preparation process of high-quality cotton pulp and specialty paper raw materials.

This invention relates to an ionic covalent organic framework composite membrane, its preparation method, and its application in the separation of dyes and salts, belonging to the field of polymer materials and their preparation technology. The invention prepares an ionic covalent organic framework composite membrane using an improved casting-precipitation-evaporation method for separating dye and salt wastewater. The composite membrane can achieve the separation of salt and dye mixtures, exhibiting a high dye rejection rate (~97%) and a low salt retention rate (<5%), with a water permeability reaching 68 L / m². ‑2 h ‑1 bar ‑1 Furthermore, the obtained membrane exhibits good stability and antifouling properties, avoiding the problem of membrane performance degradation due to membrane layer separation. This invention solves the trade-off between selectivity and permeability in traditional polymer membranes, as well as the problem of poor mechanical properties and fragility of stand-alone membranes in practical applications. Therefore, it has certain application value in purifying dye wastewater and recovering salt from dye wastewater to supplement costs.