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167 results about "Composite polymer" patented technology

Cosmetic delivery system based on natural wall material, preparation method and application

The invention belongs to the technical field of cosmetics, and particularly relates to a cosmetic delivery system based on a natural wall material, a preparation method and application. The cosmetic delivery system is of a core-shell structure, a core is a cosmetic active component, and a shell layer is a composite polymer gel network of sodium alginate, sophorolipid and cellulose. The natural polysaccharide composite wall material is green and safe, has good biocompatibility and strong compatibility with cosmetic formulas, and does not irritate the skin. The delivery system can effectively protect cosmetic active ingredients from being damaged by illumination and oxygen, and the storage stability of the active ingredients is remarkably improved; meanwhile, slow release and targeted transdermal absorption of active ingredients are realized, and the bioavailability is improved.
Owner:GUANGZHOU SHIFEI BIO-TECH CO LTD

A method for preparing a full-organic small-molecule composite polymer thin film and a product thereof

The present application belongs to the technical field of polymer dielectric energy storage material, and discloses a preparation method of a full-organic small-molecule composite polymer film and a product. The preparation method comprises the following steps: mixing a mixed solution of PVDF and PMMA with a PE EU solution to form a pre-preparation solution; casting the pre-preparation solution on a substrate and heating and drying, and then heat treating in a vacuum environment to obtain the required composite polymer film. The present application also discloses the product prepared by the above preparation method. Through the present application, the problems of low discharge energy density and charge-discharge efficiency of ferroelectric-based polymer films are solved.
Owner:HUAZHONG UNIV OF SCI & TECH

Solid-state battery positive pole piece with composite structure as well as preparation method and application of solid-state battery positive pole piece

The invention relates to a solid-state battery positive pole piece with a composite structure as well as a preparation method and application thereof. The solid-state battery positive pole piece comprises a current collector, a composite positive pole coating attached to the surface of one side of the current collector, and a composite polymer coating attached to the composite positive pole coating, the composite positive electrode coating comprises a positive electrode active material, a first oxyfluoride solid electrolyte, a binder and a conductive agent; the composite polymer coating comprises an in-situ polymerized polymer of a three-dimensional network structure, and a lithium salt and a second oxyfluoride solid electrolyte which are filled in gaps of the three-dimensional network structure; the polymer is formed by initiating in-situ polymerization of a polymer monomer through a thermal initiator; and a composite polymer coating is immersed in a gap of the composite positive electrode coating. The positive pole piece of the solid-state battery has high ionic conductivity, high interface stability and high mechanical reliability, and the cycle performance of the solid-state lithium battery can be improved when the positive pole piece is applied to the solid-state lithium battery.
Owner:LIYANG TIANMU PILOT BATTERY MATERIAL TECH CO LTD

Method for removing phosphorus from cobalt sulfate solution

The invention provides a method for removing phosphorus from a cobalt sulfate solution. The method comprises the following steps: providing a cobaltous sulfate solution to be treated; the method comprises the following steps: mixing a to-be-treated cobaltous sulfate solution, a composite polymer soluble ferric salt and a coagulant aid, carrying out precipitation reaction, and separating to obtain phosphorus-containing slag and cobaltous sulfate primary purified liquid; a deep phosphorus removal adsorbent is adopted to adsorb trace phosphorus in the cobalt sulfate primary purification liquid, then trace iron in the cobalt sulfate primary purification liquid generates precipitates in an oxygen-containing atmosphere, and after separation, a cobalt sulfate secondary purification liquid is obtained. According to the method, firstly, the synergistic effect of the composite polymer soluble ferric salt and the coagulant aid is adopted, and primary efficient removal of phosphorus is achieved; then, a deep phosphorus removal adsorbent is used for directionally adsorbing trace phosphorus in the cobalt sulfate primary purification liquid, so that deep removal of phosphorus is further realized; and finally, the residual trace iron is precipitated and separated in the oxygen-containing atmosphere, so that the purity of the secondary purified cobalt sulfate liquid is further guaranteed.
Owner:JINGMEN GEM NEW MATERIAL CO LTD

Copper tailing-based ecological soil and conjugate improvement method adopted by same

The invention discloses copper tailings-based ecological soil and an adopted conjugate improvement method, the copper tailings-based ecological soil comprises lime modified copper tailings and a tailings modifier, and the tailings modifier comprises a soil structure building agent, clay and water; the soil structure building agent comprises a composite high polymer material, an organic fertilizer and an anti-reflection fertilizer-retaining mineral material; the composite high polymer material contains xanthan gum and polyacrylamide, and the organic fertilizer contains humic acid. According to the method, the copper tailings serve as matrix soil, a good ecological environment suitable for plant growth is built by conducting in-situ modification on the tailings, the problems that soil is difficult to take through a soil dressing method and the like are effectively solved, and the ecological management time cost and the economic cost are saved; besides, the improved copper tailings are expected to achieve effective consideration of the characteristics of water retention / water permeability, agglomeration / loosening, air permeability / fertilizer retention and the like, high-added-value resource utilization of the copper tailings is achieved, a large-area copper tailings covering area is improved to form a good carbon sink area, and important economic and environmental benefits are achieved.
Owner:NANCHANG UNIV

Wear-resistant impermeable recycled asphalt and method for preparing same

This invention belongs to the field of road engineering materials technology and discloses a wear-resistant and impermeable recycled asphalt and its preparation method. Addressing the problems of poor wear resistance, insufficient impermeability, and unsatisfactory high and low temperature performance of traditional recycled asphalt, this invention uses recycled asphalt and base asphalt as base materials, and combines them with a composite nano-modifier, a composite polymer modifier, basalt fiber, an organosilicon waterproofing agent, a compatibilizer, and an anti-aging agent to prepare recycled asphalt. In the preparation process, the recycled asphalt is first melted and mixed with the base asphalt, and then each modifying component is added sequentially. The mixture is then subjected to high-speed shearing, stirring, and heat preservation development processes to obtain the finished product. This invention, through the synergistic effect of multiple components, significantly improves the wear resistance, impermeability, low-temperature crack resistance, and high-temperature stability of recycled asphalt, effectively extending the service life of recycled asphalt pavements. Furthermore, the preparation process is simple, easy to industrialize, and offers both good economic and environmental benefits.
Owner:GUANGDONG BAOLUWEI ENVIRONMENTAL PROTECTION MATERIAL CO LTD

In-situ construction method of polymer salt / inorganic filler heterogeneous interface in composite solid electrolyte and application thereof

This invention belongs to the field of solid-state electrolyte technology, specifically providing a method for in-situ construction of polymer salt / inorganic filler heterogeneous interfaces in composite solid-state electrolytes and its application. This invention utilizes single-ion polymer side-chain anionic groups to simultaneously achieve in-situ sol-gel catalysis and lithium salt anion anchoring, generating a molecularly uniform composite polymer salt / inorganic filler heterogeneous interface in the electrolyte matrix. This solves key problems such as filler agglomeration, high interfacial impedance, and significant space charge layer in traditional mechanical blending, significantly improving lithium-ion transport efficiency and overall electrolyte performance. This method is simple, environmentally friendly, and suitable for the preparation of high-performance composite solid-state electrolytes.
Owner:WUHAN TEXTILE UNIV

Composite polymer material, method for producing same, and optical material

The present invention provides a novel composite polymer material with excellent mechanical properties, a method for producing the composite polymer material, and an optical material containing the composite polymer material. The composite polymer material of the present invention contains a crosslinked polymer formed by crosslinking a silicone-based polymer S having a polysiloxane backbone as a main chain with a polymer P having a backbone other than a polysiloxane backbone as a main chain, wherein host-guest interaction based on a host group and a guest group is formed between the silicone-based polymer S and the polymer P, and the host group is a monovalent group formed by removing one hydrogen atom or one hydroxy group from a cyclodextrin or a cyclodextrin derivative.
Owner:OSAKA UNIVERSITY +1

SAP functional aggregate for concrete, preparation method of SAP functional aggregate and preparation method of concrete

The invention relates to the field of building materials, in particular to SAP functional aggregate for concrete, a preparation method of the SAP functional aggregate and a preparation method of the concrete. The SAP functional aggregate for concrete comprises coal gangue ceramsite, the coal gangue ceramsite comprises a ceramsite core with a porous structure, SAP particles are adsorbed on the ceramsite core, the periphery of the coal gangue ceramsite is coated with a packaging film, and a composite polymer is formed by mixing polyvinyl alcohol and epoxy resin. The coal gangue ceramsite with a porous structure is used as a core for absorbing SAP particles, and then the water absorption rate is limited through a packaging film; when the functional aggregate is used in concrete, the packaging film realizes slow and controllable release of water, the hydration process is physically regulated and controlled, and a heat release curve is slowed down; the problems that in the prior art, the SAP is directly added into the concrete, so that the SAP rapidly absorbs a large amount of water, and consequently the workability of the concrete is lost, and the mechanical property is degraded are solved.
Owner:SHANGHAI CONSTR BUILDING MATERIALS TECH GRP CO LTD

A method for preparing a composite polymer electrolyte membrane

This invention provides a method for preparing a composite polymer electrolyte membrane, mainly comprising the following steps: mixing lignin derivatives, a polymer matrix, lithium salts, and an organic solvent in a certain proportion to obtain a uniform slurry with a certain viscosity; dripping the uniform slurry onto a glass plate, coating it to a certain thickness, and then placing it in a vacuum drying oven for drying at a specific temperature and vacuum level to obtain the composite polymer electrolyte membrane. Studies have found that the composite polymer electrolyte membrane obtained by this invention has excellent film-forming properties, stable structure, and exhibits high lithium-ion transference number and high room-temperature ionic conductivity.
Owner:OCEAN UNIV OF CHINA +1

Disposable transfer nursing drawsheet

ActiveCN224056193UBlanketBed linenPolymer scienceFluff pulp
The utility model relates to a disposable transfer nursing drawsheet which comprises a composite polymer drawsheet assembly and a handle assembly. The composite polymer drawsheet assembly and the handle assemblies are rectangular, the handle assemblies are connected to the edge openings of the long edges of the two sides of the composite polymer drawsheet assembly, a plurality of handle holes are formed in the handle assemblies at equal intervals, and the handle holes are 8-shaped; the composite polymer drawsheet assembly comprises a surface skin-friendly non-woven fabric layer, a hot melt adhesive layer, an upper tissue layer, a polymer water-absorbent resin layer, a fluff pulp layer, a lower tissue layer and a bottom lamination non-woven fabric layer. The surface skin-friendly non-woven fabric layer, the upper paper towel layer, the high-molecular water-absorbent resin layer, the fluff pulp layer, the lower paper towel layer and the bottom laminated non-woven fabric layer are sequentially connected in a laminated manner; a hot melt adhesive layer is arranged between the surface skin-friendly non-woven fabric layer and the upper tissue layer, and a hot melt adhesive layer is arranged between the lower tissue layer and the bottom lamination non-woven fabric layer.
Owner:YIHUBAO (JIAXING) MEDICAL PRODUCTS CO LTD

A high-voltage resistant composite polymer solid electrolyte, its preparation method and application

This invention belongs to the field of solid-state electrolyte technology, specifically relating to a high-pressure resistant composite polymer solid-state electrolyte, its preparation method, and its application. The solid-state electrolyte comprises: a high-pressure resistant terpolymer, a PVDF-based polymer, mullite filler, and a lithium salt; the high-pressure resistant terpolymer is prepared from a high-pressure resistant additive, a crosslinking agent, ethylene ethylene carbonate monomer, and an initiator; the high-pressure resistant additive is selected from at least one of propylene-1,3-sulfonyl lactone, cyclobutene sulfone, and 3-methyl-3-cyclobutene sulfone. The preparation method is as follows: the high-pressure resistant additive, crosslinking agent, initiator, lithium salt, and ethylene ethylene carbonate monomer are mixed to obtain a precursor solution; the PVDF-based polymer and mullite filler are stirred and mixed in a solvent, coated into a film, and vacuum dried to obtain a base film; the base film is immersed in the precursor solution, and after immersion, it is cured to obtain the high-pressure resistant composite polymer solid-state electrolyte.
Owner:SHANGHAI UNIV

In-situ polymerized dioxolane polymer solid-state electrolyte, fluorine-containing magnesium interface layer, battery, and preparation method

An in-situ polymerization dioxolane polymer solid electrolyte, a fluorinated magnesium interface layer, a battery and a preparation method thereof, 1,3-dioxolane, lithium salt and magnesium-containing montmorillonite are uniformly mixed to obtain a mixed solution, then the mixed solution is immersed into a support, matched with a lithium metal negative electrode and a positive electrode to assemble a full battery, and placed for a period of time, and a polymerized dioxolane composite polymer solid electrolyte is prepared through an in-situ polymerization reaction. The magnesium ions spontaneously aggregated on the surface of the montmorillonite compete with the lithium salt anions for coordination, regulate the coordination environment of lithium ions in the electrolyte, increase the number of free lithium ions, and thus improve the ionic conductivity of the electrolyte. In addition, the magnesium ions and the lithium salt anion ligands decompose at the positive and negative electrode interface to participate in the formation of the interface layer, producing an inorganic component-rich interface layer (CEI and SEI) containing fluorinated magnesium, which has a high Young's modulus and fast lithium ion transport kinetics, is beneficial to the rapid transport of lithium ions and improves the stability of the electrolyte and the positive and negative electrode interface, and thus has a good application prospect.
Owner:TSINGHUA SHENZHEN INTERNATIONAL GRADUATE SCHOOL

Polymeric compounds for films with improved photosynthetic irradiation (PAR) potential.

Page 1 of 1 Summary of the invention. The current invention involves a composite polymer element. a) Bi- or multimodal LLDPE b) Compounds according to the following formula (I): chemical formula where Each group of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 was selected independently from... Hydrogen and C1 to C10 groups, hydrocarbil; In this way, two groups from R3 to R10, located on adjacent carbon atoms, can be fused together. To form a cyclic hydrocarbilization structure; M was selected from a group consisting of calcium, strontium, lithium, zinc, magnesium, and... Monobasic aluminum; n is 1 or 2; z is 1 or 2; The sum of n+z is 3. Films made from such materials utilize polymer components that are bi- or multi-molecule. LLDPE, which is crystallized for agricultural film applications and the use of the compounds mentioned. The above is for increasing the spherical PAR transmittance of the film and / or reducing the F-scatter value. For use on films and / or for reducing film turbidity.
Owner:ABU DHABI POLYMERS CO LTD BOROUGE +1

Organic composite polymeric titanium coagulant and preparation method thereof

The invention belongs to the technical field of water treatment, and particularly relates to an organic composite polymeric titanium coagulant and a preparation method thereof.The preparation method comprises the following steps that hydroxyl on sodium carboxymethylcellulose is activated and then compounded with dopamine, and a composite precursor is obtained; compounding the composite precursor with an organic coagulation material to obtain a polymer coagulation material; and compounding the polymer coagulation material with a titanium compound to obtain the organic composite polymeric titanium coagulant. According to the coagulant prepared by the method, the organic coagulation material, the sodium carboxymethyl cellulose and the dopamine are compounded with the titanium material, multiple groups cooperate with one another, the coagulation effect is good, the hydrolysis rate of titanium tetrachloride can be stabilized, and the problem that the pH is too low is solved.
Owner:JIANGSU UNIV OF TECH

Siloxane modified composite high polymer material and preparation method thereof

The invention provides a siloxane modified composite polymer material and a preparation method thereof, and belongs to the field of polymer chemical synthesis. According to the invention, siloxane is utilized to modify an organic monomer into a silicon monomer prepolymer, so that siloxane molecules exist on side chains of organic monomer molecules, and when the modified prepolymer is subjected to thermal initiation auto-polymerization, a functional monomer is added into a system, so that the water solubility and molecular weight of a final product are improved; the problems that a common organic silicon high-molecular polymer is low in molecular weight, curing can be caused by forced expansion of the molecular weight, and emulsification and use in water are not easy are solved. The siloxane modified composite polymer material has very high molecular weight and excellent hydrophilicity, can be directly used after being diluted with pure water, is not layered after being placed at a high temperature for a long time, has excellent stability, and shows great application potential.
Owner:ZHEJIANG SATO TECH CO LTD

Ampullaria gigas egg wrapped inactivator and preparation method thereof

The invention discloses a pomacea canaliculata egg wrapping type inactivator and a preparation method thereof, and belongs to the technical field of biopesticides, the pomacea canaliculata egg wrapping type inactivator comprises a component A, a component B and a component C which are physically isolated and independently packaged, the component A is biopolymer matrix liquid and comprises a film-forming framework polymer; the film-forming skeleton polymer is alginate, a composite polymer, weak acid, an endogenous slow-release calcium source and water, and the composite polymer is chitosan; the component B is a gel activating solution and comprises a cross-linking activating agent, water and a modifying agent; the modifier is one of sodium citrate, cellulose nanocrystal or nanoclay; when the component A and the component B are in contact on the surface of an ampullaria gigas egg mass, the component A and the component B are subjected to an in-situ gel reaction to generate a layer of physical barrier gel film; the defects that an existing dehydrating agent scheme is not resistant to rain wash and poor in persistence are overcome, and the core component is derived from biomass and is environmentally friendly.
Owner:SUZHOU HIGHER VOCATIONAL & TECH SCHOOL OF TOURISM & FINANCE

Weather-resistant ultralight composite high polymer material and preparation method thereof

PendingCN121873491AFiberGlass fiber
The invention relates to the technical field of polymer composite materials, in particular to a weather-resistant ultralight composite polymer material and a preparation method thereof, and the weather-resistant ultralight composite polymer material is prepared from the following raw materials in parts by weight: 65-85 parts of weather-resistant alloy matrix resin, 15-35 parts of a continuous glass fiber reinforced material, 1-6 parts of a lightweight functional system and 1.5-3 parts of a weather-resistant stable system. By designing an ASA / PC alloy matrix-continuous glass fiber reinforcement-structural micro-foaming / microbead filling three-in-one composite system, perfect unification of extreme light weight, high strength, high modulus and excellent weather resistance is realized in the polymer matrix composite material, the density of the embodiment is as low as 1.22-1.38 g / cm < 3 >, the bending strength is as high as 210-265 MPa, and the composite material has excellent weather resistance and excellent weather resistance. The bending modulus reaches 10.8-13.5 GPa, and the industrial problems that traditional materials such as aluminum plates are heavy, common plastics are weak, short fiber reinforced plastics are low in performance and obvious in anisotropy, and the requirements for light weight, high strength and outdoor long-term service cannot be met are successfully solved.
Owner:SUZHOU SHANHENG NEW MATERIAL TECHNOLOGY CO LTD

A cerium-doped modified MOFs-based composite solid electrolyte, a preparation method and application thereof

The application belongs to the technical field of solid-state batteries, and relates to a solid-state electrolyte of a solid-state battery, in particular to a cerium doped MOFs based composite solid-state electrolyte and a preparation method and application thereof. 4+ / Ce 3+ / Ce 4+ The application induces the rich Zr 4+ / Ce 3+ / Ce 4+ Multi-valence active centers, combined with the regulation effect of the interface ion flow of the graphite phase carbon nitride (g-C3N4) two-dimensional layered material, significantly improve the comprehensive performance of the composite polymer solid-state electrolyte, such as ion conductivity, electrochemical window, electrochemical stability and the like.
Owner:SHANDONG UNIV OF SCI & TECH

Composite polymer solid-state battery cell coiling device

The invention discloses a composite polymer solid-state battery cell coiling device, which relates to the technical field of solid-state battery cell coiling, and comprises a base, a rack fixedly connected to the outer wall of the top of the base, and a frame fixedly connected to the side wall of the base, an unwinding mechanism, a tension adjusting mechanism, a deviation rectifying and guiding mechanism, a pre-pressing and smoothing mechanism and a winding mechanism are sequentially arranged on the base. The pre-pressing and smoothing mechanism and the belleville spring provide elastic pressure, so that the upper pressing roller can float up and down within a certain range to adapt to laminated materials with different thicknesses and automatically compensate pressure fluctuation caused by thickness changes, and a stepping motor drives a gear to rotate forwards and backwards to promote a rack to reciprocate, so that the thickness of the laminated materials is adjusted. And the rack drives the reciprocating moving frame to do small-amplitude reciprocating motion along the linear guide rail, and the upper pressing roller performs reciprocating flattening on the coiled material, air between layers is removed, wrinkles are flattened, and therefore the production quality of the composite polymer solid-state battery cell is guaranteed.
Owner:SHENZHEN XIEYI TECHNOLOGY CO LTD

Composite polymer material and its use in a damping panel of a vehicle

This invention belongs to the field of polymer composite materials technology, specifically relating to a composite polymer material and its application in vehicle damping panels. The composite polymer material provided by this invention comprises SBS modified asphalt, fillers, petroleum resin, EVA, silica, silane coupling agent, SBS styrene-butadiene rubber, and plasticizers. The fillers include magnetic powder and KF. The composite polymer material provided by this invention significantly improves the consistency of the material's damping factor, thermal stability, and high and low temperature adhesion performance, ensuring strong and long-lasting magnetic force, thereby meeting the stringent requirements of the automotive industry for lightweight, high reliability, and excellent NVH performance.
Owner:AIHUA (ZHEJIANG) NEW MATERIAL CO LTD

Jet plasma assisted method for preparing sodion composite polymer solid electrolyte

The invention belongs to the field of high polymer materials and new energy materials, and discloses a jet plasma assisted method for preparing a sodium ion composite polymer solid electrolyte, which comprises the following steps: treating mixed powder of a polymer, a sodium salt and an active filler according to a certain proportion by using atmospheric pressure jet plasma, rapidly melting the mixed powder at a high temperature generated by the jet plasma, and uniformly stirring the melted mixture to obtain a precursor; and carrying out hot pressing on the precursor at a certain temperature, for a certain time and under a certain pressure to form a film, and cooling to room temperature to obtain the composite polymer solid electrolyte film. According to the method, the raw material mixing time is shortened, the preparation process flow of the solid electrolyte is greatly simplified, and the method has the advantages of short production period, low production cost, environmental friendliness and the like; meanwhile, active free radicals in the polymer are effectively increased, sodium dendrite growth is inhibited, and a negative electrode interface is stabilized, so that the cycling stability of the solid electrolyte is improved, and the solid electrolyte is suitable for large-scale production.
Owner:KUNMING UNIV OF SCI & TECH

Liquid cooling microchannel powder metallurgy fabrication method

This invention discloses a liquid-cooled microchannel powder metallurgy fabrication method, belonging to the field of radiator manufacturing technology. The invention employs a pre-stamping process to prepare copper heat dissipation fins, combined with customized spherical high-purity copper powder and composite polymer bonding particles. A uniform mixture is prepared through segmented high and low temperature and high and low speed stirring. This is then combined with metal powder injection molding, oxalic acid degreasing, nitrogen atmosphere constant temperature anti-oxidation pretreatment, and high-vacuum sintering processes, along with controllable molding and sintering parameters, to fabricate a copper liquid-cooled microchannel radiator. This invention effectively solves the problems of difficult molding of thin-walled pure copper microchannel structures, poor dimensional consistency, and susceptibility to defects and springback. It significantly improves the extrusion of copper materials in microchannel structures, the smoothness of the inner wall, and the overall density, strengthens the bond strength between the fins and the substrate, and eliminates leakage, corrosion, and heat dissipation attenuation under long-term liquid cooling cycles. The product yield is high, and the stability is excellent.
Owner:INHERE DONGGUAN TECH CO LTD

A composite polymer solid electrolyte membrane, and a preparation method and application thereof

The application provides a composite polymer solid electrolyte membrane and a preparation method and application thereof, wherein lithium salt, a cyclic ether compound and a non-ether polymer soluble in or insoluble in the cyclic ether compound are mixed, a polymerizable system is uniformly coated on one side or both sides of a porous membrane through a method such as drop coating, blade coating, spray coating, gravure coating and the like, the non-ether polymer soluble in or insoluble in the cyclic ether compound in the mixture is intercepted on one side of the porous membrane, part of the lithium salt and the cyclic ether compound penetrate into the inside of the porous membrane and the other side under the action of gravity and capillary force, and a polymer electrolyte layer different from the inside of the porous membrane is formed on both sides of the porous membrane through ring-opening polymerization, so that the composite polymer solid electrolyte membrane is obtained.
Owner:BEIJING NORMAL UNIVERSITY

Low-cost solid electrolyte of molecular sieve composite polymer binder as well as preparation method and application of low-cost solid electrolyte

The invention discloses a low-cost solid electrolyte of a molecular sieve composite polymer binder as well as a preparation method and application of the low-cost solid electrolyte, and belongs to the technical field of electrochemistry and solid-state batteries. A low-cost solid electrolyte of a molecular sieve composite polymer binder is composed of molecular sieve powder and an ionic conductive polymer binder, and the molecular sieve powder comprises at least one of transferable lithium ions, sodium ions or potassium ions. The slurry coating film-forming technology adopted by the invention is highly compatible with the electrode coating process of the existing liquid lithium ion battery, a high-temperature sintering step does not need to be introduced, the existing battery production line equipment can be used for transformation and upgrading, and the industrialization threshold and the equipment investment of the solid-state battery are greatly reduced.
Owner:SHENZHEN TECH UNIV

A method for preparing carbon nanoribbons

The present application relates to a kind of preparation methods of carbon nanometer strip, belong to carbon material technical field.The preparation method of the present application includes the following steps, S1, preparation has the dense carbon nanometer film of defect-rich structure;S2, on the dense carbon nanometer film of defect-rich structure of S1, build polymer film, obtain carbon nanometer composite polymer film;S3, carbon nanometer composite polymer film of S2 is uniaxially stretched, dense carbon nanometer film forms channel crack after stress training, remove polymer film, obtain the carbon nanometer strip of described.The preparation method of the present application has the advantages of convenient operation, preparation condition is mild controllable, suitable for large-scale preparation, especially with the advantage of strong universality, can be combined with various nanometer dense carbon nanometer film preparation technology.In addition, by the matching adjustment of the geometric size and ordered structure of dense carbon nanometer film, defect-rich structure, the thickness of polymer film, the geometric size, edge structure etc. of nanometer carbon strip can be flexibly adjusted.
Owner:FUQING BRANCH OF FUJIAN NORMAL UNIV +1

Lubricating oil additive, preparation method thereof and lubricating oil

The invention provides a lubricating oil additive, a preparation method thereof and lubricating oil. The lubricating oil additive comprises composite polymer nanoparticles, the composite polymer nanoparticles have a core-shell structure composed of a multi-component copolymer, and the multi-component copolymer comprises a polymer A and a polymer B; wherein the shell comprises a polymer A, the core comprises a polymer B, and the polymer B has a cross-linked structure; and the polymer A is connected with the polymer B through a covalent bond. The composite polymer nanoparticles in the lubricating oil additive are good in dispersity, the friction coefficient of lubricating oil can be effectively reduced, abrasion is reduced, and the lubricating performance is improved.
Owner:TSINGHUA UNIVERSITY

Composite polymer electrolyte and preparation method and application thereof

The application discloses a composite polymer electrolyte and a preparation method and application thereof, and comprises a polymer matrix, a lithium salt and a nano filler; the nano filler is a polymer-coated metal organic framework nanoparticle, and the polymer-coated metal organic framework nanoparticle is formed by in-situ polymerization of a polymer on a metal organic framework nanoparticle, and the application has the advantages that a uniform polymer layer can be formed by in-situ polymerization on the surface of the MOFs, the interface compatibility of the MOFs and the polymer matrix is significantly improved, the problems of easy agglomeration, weak interface combination and phase separation of traditional physical blending are solved, and the structural stability of the electrolyte is improved.
Owner:MINJIANG NORMAL COLLEGE

A bio-based flame-retardant coating based on pgl and a preparation method and application thereof

This invention discloses a PGL-based bio-based flame-retardant coating, using urea and formaldehyde as main raw materials, silane coupling agent KH550 as an additive, phytic acid-guanidazole-lignin composite polymer PGL as a bio-based flame retardant, and ammonium chloride as a curing agent. The decomposition temperature at 5% by mass is 231.9±5℃, and the temperature at which the maximum decomposition rate is reached is 284.5±5℃. The char residue at 800℃ is 35.3±2 wt.%. The preparation method includes the following steps: 1. Preparation of phytic acid-guanidazole-lignin composite polymer PGL; 2. Preparation of modified urea-formaldehyde resin emulsion (MUF); 3. Preparation of the PGL-based bio-based flame-retardant coating PGL / MUF. When used as a flame-retardant coating for wood, it exhibits flame-retardant properties and passes the UL-94 V-0 rating test; the char residue after combustion is continuous and dense; the limiting oxygen index is 36.5±1%; and the maximum heat release rate is 19.19±1.29kW / m³. 2 The total heat release is 1.20 ± 0.05 MJ / m³. 2 The fire growth index is 0.27 ± 0.05 kW / m². 2 / s.
Owner:GUILIN UNIV OF ELECTRONIC TECH