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459 results about "Ion release" patented technology

Positive pole piece, preparation method thereof and battery

The invention provides a positive pole piece, a preparation method thereof and a battery, and aims to solve the technical problem of poor cycle performance of the battery caused by gas production of a lithium supplement agent. The positive pole piece comprises a current collector and a first active material layer arranged on the current collector, the first active material layer comprises a first positive active material, a lithium supplement agent and a first conductive agent, and the first conductive agent comprises porous carbon. The lithium supplement agent and the porous carbon are added into the first active material layer of the positive pole piece, and the porous carbon can promote the lithium supplement agent to be dispersed in the first active material layer and improve the porosity of the positive pole piece, so that a large number of lithium ions released by the lithium supplement agent can be conducted through pore channels in the porous carbon; moreover, gas generated by the lithium supplement agent can be led out and released through the pore channels in the porous carbon, so that the damage of the gas generated by the lithium supplement agent to the interface of the positive pole piece is relieved, the transmission efficiency of lithium ions in the positive pole piece is improved, and the cycle performance of the battery is improved.
Owner:EVE POWER CO LTD

Bamboo composite rubber for shoe soles and preparation method of bamboo composite rubber

The invention discloses bamboo composite rubber for shoe soles and a preparation method thereof, and relates to the technical field of rubber products, the bamboo composite rubber comprises the following specific components: natural rubber, bamboo powder, polyurethane, a silane coupling agent, a plasticizer, an anti-ultraviolet agent and an antibacterial agent, and a rubber matrix is formed; the bamboo composite rubber for the shoe sole further comprises additives, and the additives comprise hyperelastic nanoparticles, an environment-friendly water-based coating, a wear-resistant reinforcing agent, a heat-conducting polymer, a negative ion release material, bamboo charcoal fibers and odor-resistant molecules. According to the bamboo composite rubber for the shoe sole and the preparation method of the bamboo composite rubber, through dual surface modification of the silane coupling agent and the negative ion release material, the bonding force of the bamboo powder and a rubber matrix is remarkably improved, and the composite material has higher mechanical strength and durability. Meanwhile, due to the synergistic effect of the hyperelastic nanoparticles, the heat-conducting polymer and the wear-resistant enhancer, the sole material not only has excellent elasticity and wear resistance, but also has heat-conducting and comfort-adjusting functions.
Owner:QUANZHOU BINQI ENERGY TECH CO LTD

Ferrocobalt bimetal hydroxide / BCN composite material and preparation method and application thereof

The invention relates to the technical field of composite catalyst materials, in particular to a ferrocobalt bimetal hydroxide / BCN composite material and a preparation method and application thereof.The preparation method comprises the steps that cobalt nitrate and ferric nitrate are used for preparing a metal salt solution, sodium carbonate and sodium hydroxide are used for preparing a precipitant solution, a B-doped carbon nitride BCN material is added into the metal salt solution to form a uniform suspension, and the suspension is dried to obtain the ferrocobalt bimetal hydroxide / BCN composite material; dropwise adding the precipitant solution into the suspension to obtain a precursor solution, performing hydrothermal reaction on the precursor solution, and performing centrifugal impurity removal and drying to construct a heterostructure between layered double hydroxide and BCN in situ to obtain the Co-Fe LDH-coated BCN composite material. Through boron doping and heterostructure construction, the charge separation capacity of graphite carbon nitride is enhanced, the electron migration efficiency is improved through a heterointerface structure, the metal ion release amount and the cycle stability are controlled, and the catalytic performance is remarkably improved.
Owner:RES & DEV INST OF NORTHWESTERN POLYTECHNICAL UNIV IN SHENZHEN +1

Heart valve

The invention relates to the field of medical instruments, in particular to a heart valve. The invention provides a heart valve. The heart valve comprises a stent body, a skirt edge and developing points. The skirt edge is connected to the bracket body; the skirt edge comprises an inner skirt edge and an outer skirt edge; the inner skirt edge and the outer skirt edge form an interlayer; the developing points are arranged in the interlayer; the number of the developing points is at least two; at least two developing points are in the same or different annular cross sections. Developing points are arranged in an interlayer; the setting mode can physically isolate the developing point, and the direct contact between the bracket and the developing point is eliminated through physical isolation; the galvanic corrosion risk can be effectively avoided, and the service life of instruments is prolonged; the metal ion release risk is reduced, and the biological safety is improved. And the developing points are arranged in the interlayer between the inner skirt edge and the outer skirt edge, so that the overall position of the valve can be reflected more accurately.
Owner:ハンチョウ カーディオリジン メディカル デバイシーズ カンパニー リミテッド

Multifunctional ecological anion environment-friendly wallpaper and preparation process thereof

InactiveCN119265998AIncrease the release of negative ionsfacilitated releaseCovering/liningsPaper coatingUltraviolet lightsAnti bacteria
The invention relates to multifunctional ecological negative ion environment-friendly wallpaper and a preparation process thereof, and belongs to the technical field of wallpaper, and the preparation process comprises the following steps: coating the surface of a base paper layer with a polyurethane copolymer with negative ion powder, and performing extrusion compounding in an isothermal static pressure manner to form a middle layer; an antibacterial wear-resistant component is sprayed on the surface of the middle layer, and is cured by ultraviolet irradiation to form an outer layer, so that the multifunctional ecological anion environment-friendly wallpaper consisting of the base paper layer, the middle layer and the outer layer is formed; zinc oxide and tourmaline are mixed and subjected to ball milling, and negative ion powder is obtained; grafting the negative ion powder with a silane coupling agent and then combining the negative ion powder with polyurethane to obtain a polyurethane copolymer with the negative ion powder; graphene oxide and an antibacterial substance are combined to prepare an antibacterial wear-resistant component; according to the technical scheme, the polyurethane copolymer with the negative ion powder improves the negative ion release performance of the wallpaper, the antibacterial and wear-resistant components enhance the antibacterial property and wear resistance of the wallpaper, and the overall comprehensive performance of the negative ion wallpaper is improved.
Owner:HEBEI LUFA TECHNOLOGY CO LTD

Positive lithium supplement agent, positive pole piece, secondary battery and electric device

The invention discloses a positive electrode lithium supplementing agent, a positive electrode plate, a secondary battery and a power utilization device, and belongs to the technical field of batteries, the positive electrode lithium supplementing agent comprises lithium phytate and a lithium supplementing agent, and the lithium supplementing agent comprises at least one of Li5FeO4, Li6CoO4 and Li2NiO2. The lithium phytate and the lithium supplementing agent are combined to serve as the positive electrode lithium supplementing agent, the lithium phytate and the lithium supplementing agent act together, active oxygen and metal ions released by the lithium supplementing agent are adsorbed, side reactions of the electrolyte are reduced, the electrochemical stability of a system is maintained under high voltage, meanwhile, lithium can be completely released under a high-voltage lithium cobalt oxide system, and the service life of the lithium battery is prolonged. The release amount of a lithium source is effectively increased, the lithium consumption of a negative electrode SEI film forming reaction is fully supplemented, the embedding and separating process of lithium ions in a positive electrode material is promoted, the gas expansion of the secondary battery is improved, and the cycle life of the secondary battery is effectively prolonged.
Owner:ZHEJIANG LIWINON ENERGY TECHNOLOGY CO LTD

Floating type copper-loaded sodium alginate hydrogel ball as well as preparation method and application thereof

The invention relates to a floating type copper-loaded sodium alginate hydrogel ball as well as a preparation method and application thereof, and belongs to the technical field of water ecological restoration. The technical problem to be solved by the invention is to provide the preparation method of the floating type copper-loaded sodium alginate hydrogel ball. The method comprises the following steps: preparing a solution A and a solution B, wherein the solution A is prepared from sodium alginate, citrate, an acidic pH regulator, hydrogen peroxide and water; the solution B consists of copper sulfate pentahydrate, citrate, a pH regulator and water; dropwise adding the solution A into the solution B to obtain hydrogel balls; and filtering and washing. The hydrogel ball can float on the water surface and release copper ions in a low dosage for a long time, blue-green algae on the water surface are continuously killed, the influence on the water body is small, and the risk of water body pollution caused by excessive copper ion release can be greatly reduced; the algicide feeding device can effectively reduce the feeding frequency of the algicide, also reduces the labor cost caused by long-period feeding of the algicide, can float on the water surface, is easy to recycle, and does not cause secondary pollution to the water body.
Owner:SICHUAN QINGHE TECH

Sponge capable of increasing negative ion release amount

The invention relates to a sponge capable of increasing the negative ion release amount, which comprises a sponge base material and a negative ion generating material, and the negative ion generating material is obtained by attaching a negative ion generating coating to a sponge base material body, the negative ion generation coating comprises the following components in parts by mass: 200-400 parts of waterborne polyurethane, 19-29 parts of tourmaline composite powder, 4-12 parts of rare earth mineral powder and 20-36 parts of a hydrophobic finishing agent, the tourmaline composite powder comprises chitosan, modified titanium dioxide, tourmaline powder and activated carbon. The sponge has the effect of improving the negative ion release effect of the sponge.
Owner:WEIJIANYE (SUZHOU) CO LTD

Unpowered air purification device based on electrostatic adsorption and negative ion effects

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.
Owner:SHANGHAI FLORY ENVIRONMENT TECH CO LTD

Sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as preparation method and application thereof

The invention belongs to the technical field of preparation of biological materials, and particularly discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application of the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The preparation method comprises the following steps: dissolving freeze-dried sea cucumber flower powder in deionized water, adjusting the pH value to be alkaline, heating and stirring, centrifuging, discarding the precipitate, adjusting the pH value to be acidic, centrifuging, collecting the precipitate, and freeze-drying to obtain sea cucumber flower protein powder; preparing a reaction solution, adding simulated gastric juice and simulated intestinal juice, stirring for reaction, inactivating protease, centrifuging, taking supernatant, and freeze-drying to obtain sea cucumber flower self-assembled polypeptide; the preparation method comprises the following steps: preparing a solution from sea cucumber, adding FeCl2. 4H2O and ascorbic acid, adjusting the pH value to be acidic, carrying out heating reaction, centrifuging, discarding the supernatant, and freeze-drying to obtain the sea cucumber flower self-assembled polypeptide-iron nano-carrier. The invention discloses a sea cucumber flower self-assembled polypeptide-iron nano-carrier as well as a preparation method and application thereof. The carrier can promote absorption of an organism to iron, a relatively high iron ion release rate is maintained in an intestinal environment, and the in-vivo bioavailability of iron ions is improved.
Owner:ZHEJIANG UNIV OF TECH +1

Negative ion polyester fiber and preparation method thereof

The invention relates to the technical field of polyester fibers, in particular to a negative ion polyester fiber which is prepared from the following raw materials in percentage by mass: 85-92% of polyethylene glycol terephthalate, 3-8% of nano tourmaline composite powder, 2-5% of a titanium dioxide / graphene composite carrier, 0.5-1.5% of a coupling agent and 0.3-0.8% of an antioxidant. The invention also discloses a preparation method of the composition. According to the invention, the core-shell structure optimization design is adopted, the core layer ensures the high loading capacity of the tourmaline composite powder, the shell layer has the synergistic effect of the titanium dioxide / graphene composite carrier, the negative ion release efficiency is obviously enhanced, the particle size of the nanoscale tourmaline is controlled to be 50-100nm, the nanoscale tourmaline is uniformly dispersed, the nanoscale tourmaline and graphene form a heterojunction structure, and the electron transmission capability is greatly improved; the negative ion release amount meets the JIS standard, a chemical bonding interface is formed through transesterification, the structural stability is enhanced, and the retention rate of the negative ion release performance is still high even after multiple times of washing.
Owner:XINFENGMING GRP CO LTD +2

Glasses frame with negative ion release function

The invention provides a spectacle frame with a negative ion release function. The spectacle frame is sequentially compounded with a metal matrix layer, a transition barrier layer and a function release layer from inside to outside, the transition barrier layer is in direct contact with the metal matrix layer, and the transition barrier layer is made of a chelating modified nano composite barrier material; the function release layer covers the transition barrier layer, and the function release layer is made of a plasma activated rare earth doped mineral composite material. Through the synergistic effect of the three layers of functional materials, sweat corrosive ions are effectively prevented from permeating into a metal matrix, negative ions are stably released to neutralize acidic substances on the contact surface, metal ion precipitation is remarkably inhibited, the wearing microenvironment is improved, and meanwhile the light weight and durability of the glasses frame are guaranteed.
Owner:浙江亮彩眼镜有限公司

Precipitation load type coated slow-release carbon-based iron fertilizer and preparation method thereof

The invention discloses a precipitation-supported coated slow-release carbon-based iron fertilizer and a preparation method thereof.The preparation method specifically comprises the steps that a biological crustacean heavy metal adsorbent is soaked in a ferrous sulfate solution and then soaked in a calcium hydroxide solution again after low-temperature drying, finally, dried particles are granulated and subjected to coating treatment, and the coated slow-release carbon-based iron fertilizer is obtained. The coated slow-release iron fertilizer is loaded in a precipitation mode, a mixture of precipitated ferric hydroxide and ferrous hydroxide is uniformly dispersed and attached to the interiors of pore channels of the porous adsorbent, and the precipitated ferric hydroxide and the ferrous hydroxide are wrapped by a byproduct calcium sulfate in the porous adsorbent, so that long-acting slow release of iron ions can be realized; the rice cadmium arsenic antagonistic iron fertilizer has the advantages that the rice cadmium arsenic antagonistic effect can be achieved, the oxygen content of soil can be reduced, fine quantitative use of the coated iron fertilizer in the seedling raising period is matched, iron ion antagonism and a precipitation type adsorption load mode are carried out in the whole rice growth process, the iron ion release period is greatly prolonged, and the iron fertilizer has the excellent rice cadmium arsenic antagonism effect and has the excellent application prospect.
Owner:INST OF SOIL FERTILIZER & RESOURCE ENVIRONMENT JIANGXI ACAD OF AGRI SCI +1

Negative oxygen ion dynamic air purification strategy and system

The invention relates to the technical field of air purification, in particular to a negative oxygen ion dynamic air purification strategy and system.The negative oxygen ion dynamic air purification strategy comprises the following steps that on the basis of linkage of particulate matter concentration and multiple environmental parameters, influences of airflow, pressure, temperature and humidity and personnel flow on particulate matter distribution are analyzed, and formaldehyde and harmful gas parameter fluctuation trends are combined; pollution changes and equipment response grades are judged, the release path, frequency and power of the negative oxygen ion generator are adjusted, and ion release adjustment parameters are output. Data such as multi-element particulate matter concentration, airflow state, environmental pressure, temperature and humidity, personnel flow and the like cooperatively participate in monitoring and judgment, particulate matter grading characteristics are linked in real time through environmental dynamic factors, fluctuation trends of multiple pollutants in air are jointly calculated, high-risk change stages are actively recognized, purification response grades are dynamically output, and the purification effect is improved. The ion release direction and power are adjusted in an automatic linkage mode, the purification response changes along with space pollution hot spots, and diversified pollution distribution scenes are effectively covered.
Owner:GUANGDONG YIFEI PURIFICATION TECH CO LTD

Metal-doped biomimetic mineralized dECM crystal gel as well as preparation method and application thereof

The invention relates to the technical field of bone tissue materials, and discloses a metal-doped biomimetic mineralized dECM cryogel and a preparation method and application thereof.The preparation method of the cryogel comprises the steps that firstly, hyaluronic acid and methacrylic anhydride are mixed in a solvent, the pH value is adjusted, a reaction is conducted, and methacrylic acid hyaluronic acid is obtained; then under the condition of a photoinitiator, mixing the methacrylic acid hyaluronic acid with an acellular extracellular matrix, and performing freezing and crosslinking treatment to obtain the cryogel, and finally, soaking the cryogel in a mineralization solution containing Ca < 2 + > and / or Mg < 2 + >, adding a buffer solution containing phosphite ions, incubating, and washing to obtain the crystal gel. The biomimetic mineralized dECM cryogel prepared by the method disclosed by the invention is good in ion release stability, can significantly improve the migration ability of HUVECs, contributes to promoting proliferation of rMSCs and improving the osteogenic differentiation potential of the rMSCs, and can be used for regeneration and repair of bone defects.
Owner:SUN YAT SEN UNIVERSITY SHENZHEN +1

Nano additive with core-shell structure as well as preparation method and application of nano additive

The invention belongs to the field of preparation of nano composite materials, and mainly relates to a nano additive with a'core-shell 'structure as well as preparation and application of the nano additive. And the core-shell structure nano additive comprises three kinds of core part materials and a shell layer coating material. For example, the material of the core part comprises nano natural tourmaline powder, nano selenium and nano silver, and the material of the shell part is silicon dioxide. Wherein the three core part materials respectively have the effects of generating and releasing negative ions, releasing selenium elements and resisting bacteria. In the ceramic sintering process, the coating'shell 'layer protects the chemical composition and the phase structure of the'core' material from being damaged; and the material coated with the'shell 'layer can be diffused into the ceramic material in the ceramic sintering process, so that the selenium element and the antibacterial metal element of the'core' part are controllably released. The core-shell structure nano additive is added into the pottery clay, and the multifunctional health-care ceramic material is obtained by sintering under the condition of medium and high temperature, so that the aim of controlling the release of selenium, antibacterial agent silver and negative ions is fulfilled.
Owner:NORTHWEST UNIV

Ceramic glaze water capable of continuously releasing negative ions based on rare earth material and preparation method of ceramic glaze water

The invention relates to the technical field of ceramic glaze water, in particular to ceramic glaze water capable of continuously releasing negative ions based on a rare earth material and a preparation method of the ceramic glaze water. Comprising a negative ion material, sodium polystyrenesulfonate, an immobilized bacterium preparation, carbon nanotube modified graphene oxide, turbo stone, modified sepiolite, nano-zinc oxide, sodium hexametasilicate, polyethylene glycol, a composite antioxidant, a coalescing agent, a slow-release carrier and deionized water. The negative ion material is formed by mixing low-radioactivity commercial rare earth powder, tourmaline and opal according to the mass ratio of (3-4): (4-5): 1. According to the invention, the preparation cost of the glaze water is reduced and the production efficiency is improved by optimizing the composition and compounding mode of the negative ion material, enhancing the stability of the bacterial preparation and simplifying the preparation process, meanwhile, the negative ion release durability, the ceramic surface adhesive force and the antibacterial property are remarkably enhanced, and the requirements of industrial production and practical application are met.
Owner:JINGDEZHEN SENZHIJIN ENVIRONMENTAL PROTECTION TECH CO LTD

Method for storing CO2 in mine goaf through mineralization grouting

The invention belongs to the technical field of carbon dioxide sequestration, and particularly discloses a method for sequestration of CO2 in a mine goaf through mineralization grouting, which comprises the following steps of: filling and mining by adopting a short-wall working surface strip to form a closed goaf; water swelling rubber slurry is injected into the filling body, and a sealing layer with the thickness larger than or equal to 0.5 m is formed after swelling; an impermeable layer is formed through a top plate reconstruction technology; cO2 is injected into the closed goaf, a calcium ion release source reacts with CO2 to generate calcium carbonate, and chemical sequestration is achieved. The coal mine goaf CO2 sealing device can achieve coal mine goaf CO2 sealing, CO2 leakage is effectively prevented, and the environment and safety are guaranteed.
Owner:HENAN POLYTECHNIC UNIV

A piezoelectric nanomaterial and its application

The invention discloses a piezoelectric nanomaterial and application thereof. A KNN-based nanomaterial is constructed on the surface of a 3D-printed BCP scaffold for treating drug-resistant bacterial biofilm infection: KNN is doped with Ag2O and CoO to construct a phase boundary KNN piezoelectric material to enhance the piezoelectric catalytic activity of KNN; the nano-platform is introduced to the surface of the 3D-printed BCP scaffold, the nano-material efficiently generates ROS under ultrasonic response, quickly destroys MRSA bacterial biofilm at an early stage, and the release of Ag ions synergistically resists bacteria; under the action of pressure, KNN-Ag2O-CoO self-polarization stimulates osteoblast proliferation and differentiation, and the release of Co ions promotes osteogenesis and angiogenesis, further enhancing the later bone repair ability of the material system, thereby realizing a dual synergistic system with both "antibacterial and osteogenesis integration", and solving the insufficient application of BCP scaffolds in infectious bone defects.
Owner:MIANYANG THIRD PEOPLES HOSPITAL

Carbon sequestration concrete and preparation method thereof

The invention provides carbon sequestration concrete and a preparation method thereof, and relates to the technical field of building materials. The carbon sequestration concrete provided by the invention is prepared from the following preparation raw materials in parts by mass: 280 to 320 parts of cement, 40 to 50 parts of mineral powder, 50 to 60 parts of fly ash, 650 to 700 parts of machine-made sand, 200 to 240 parts of natural sand, 750 to 850 parts of large stone, 150 to 170 parts of small stone, 3.8 to 4.5 parts of a water reducing agent, 0.15 to 0.85 part of a retarder, 4 to 20 parts of sodium carboxylate and 180 to 200 parts of water. Sodium carboxylate is introduced as a carbon sequestration aid, carboxylate radical groups of sodium carboxylate can efficiently complex calcium ions released by cement hydration to form a soluble calcium carboxylate complex, so that the chemical reaction that carbon dioxide is mineralized into calcium carbonate is accelerated, the carbon dioxide absorption capacity of concrete is remarkably improved, and the carbon sequestration efficiency is improved. The carbon sequestration concrete provided by the invention has high carbon sequestration performance and excellent mechanical properties.
Owner:ZHEJIANG UNIV

Organic phosphorus degradation and recovery system and method based on double-cathode electro-Fenton reaction

The invention relates to the technical field of wastewater treatment and resource recovery, and discloses an organophosphorus degradation and recovery system based on double-cathode electro-Fenton reaction, comprising: an electrolytic tank for accommodating organophosphorus wastewater to be treated; the anode is arranged in the electrolytic tank and is electrically connected with an anode of a power supply; the oxidizing agent generating cathode is arranged in the electrolytic tank and is used for generating hydrogen peroxide in situ under a power-on condition; the metal reduction cathode is arranged in the electrolytic tank and is used for adsorbing and reducing ferric ions; the metal source is composed of zero-valent iron or iron alloy, is not directly and electrically connected with the power source, and is arranged in an electric field acting area established by the anode and the at least one cathode. Through the design of inductive slow-release iron supply and double-cathode collaborative circulation, a series of problems of uncontrollable iron ion release, high iron sludge yield, low catalyst utilization efficiency, difficulty in resource recovery and the like in the traditional electro-Fenton technology are effectively solved.
Owner:EAST CHINA ENGINEERING SCIENCE AND TECHNOLOGY CO LTD

Titanium alloy implant surface bionic coating and preparation method thereof

The invention belongs to the technical field of biomimetic materials, and discloses a titanium alloy implant surface biomimetic coating and a preparation method thereof.The biomimetic coating comprises a porous titanium support layer, a micron-sized porous titanium layer is prepared through plasma spraying, and then nano-hydroxyapatite is doped to improve osteoinductivity; the graphene enhancement layer is modified, a graphene oxide film is electrochemically deposited, the graphene oxide film and the titanium substrate are covalently bonded through a silane coupling agent, and strontium ions are loaded to promote osteogenic differentiation; an antibacterial active layer and in-situ reduced graphene oxide form a three-dimensional network conductive structure, tantalum-doped carbon nitride quantum dots are loaded through ultrasonic dispersion and embedded between graphene layers to form an antibacterial phase, and then magnesium silicate nanowires are subjected to hydrothermal growth to form a bioactive phase. Through triple bionic design of porous titanium, ion release / photo-thermal response and PDA adhesion, the bone bonding strength, antibacterial property, wear resistance and corrosion resistance of a coating interface are improved.
Owner:ZHEJIANG ZHUOSHIYOU MEDICAL INSTR CO LTD

Polyaryletherketone composite implant material as well as preparation method and application thereof

The invention discloses a polyaryletherketone composite implant material and a preparation method and application thereof, and belongs to the technical field of medical materials.The preparation method of the polyaryletherketone composite implant material comprises the following steps that a carbon fiber reinforced polyaryletherketone substrate with the surface provided with a groove structure and conductivity is prepared; based on a precipitation method, a calcium compound, a magnesium compound and a phosphoric acid aqueous solution are used for preparing white calcium stone; the preparation method comprises the following steps: carrying out surface modification on the white calcium phosphate by utilizing polydopamine, so as to obtain modified white calcium phosphate; adding the modified white calcium phosphate and a degradable piezoelectric polymer into a solvent, and mixing to obtain a mixed solution; and coating a carbon fiber reinforced polyaryletherketone substrate with the mixed solution, and performing drying and annealing treatment to form a coating, thereby obtaining the polyaryletherketone composite implant material. According to the invention, the degradable piezoelectric composite coating doped with the white phosphorus calcium stone, which has piezoelectric characteristics and ion release capability, is constructed, so that double biomimetic effects of an electric signal and a chemical signal in a bone healing microenvironment are realized.
Owner:JILIN UNIVERSITY

Porous hollow glass bead capable of slowly releasing collagen and application of porous hollow glass bead

The invention relates to the technical field of medical cosmetology, in particular to a porous hollow glass bead capable of slowly releasing collagen and application of the porous hollow glass bead. The porous hollow glass bead capable of slowly releasing the collagen comprises a porous hollow glass bead body, the outer wall of the porous hollow glass bead body is provided with a pore channel structure penetrating through the exterior and an inner cavity of the hollow glass bead body, and the pore channel and the inner cavity of the porous hollow glass bead body are filled with collagen gel. The compressive strength of the hollow glass beads is utilized to improve the mechanical supporting effect, the collagen gel is subjected to catalytic decomposition under the action of collagenase in a body so as to achieve the slow-release effect, the outer walls of the hollow glass beads slow down the reaction time through physical isolation, and then the slow-release time is prolonged; meanwhile, ions such as Si and Ca released by the hollow glass beads can promote cells to secrete collagen, the biological activity is improved, and the three beneficial effects of physical support, collagen slow release and biological safety are achieved.
Owner:ZHENGZHOU HOLLOWLITE MATERIALS CO LTD

Process for producing preactivated lithium transition metal oxides for rechargeable batteries that cycle lithium ions

In a method for producing a preactivated lithium transition metal oxide (LiTMO) for a lithium ion cycling battery, the LiTMO is immersed in an electrolyte disposed in a reactor comprising a working electrode and a counter electrode ionically connected via the electrolyte. The LiTMO is subjected to an electrochemical delithiation and relithiation cycle comprising an electrochemical delithiation step followed by an electrochemical relithiation step. In the electrochemical delithiation step, an electric current is applied to the working electrode in such a way that the LiTMO is oxidized, lithium ions are released from the LiTMO to form a delithiated LiTMO, and the lithium ions released from the LiTMO dissolve in the electrolyte.In electrochemical relithiation, an electric current is applied to the counter electrode in such a way that the LiTMO is reduced and the lithium ions dissolved in the electrolyte are incorporated into the LiTMO to form a relithiated LiTMO.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Multi-mode physiotherapy system integrating ion release and electromagnetic stimulation

The invention relates to the technical field of physiotherapy, in particular to a multi-mode physiotherapy system integrating ion release and electromagnetic stimulation. The system comprises a biological feedback sensing module, an intelligent control module, a space-time cooperative control module, a multi-channel ion release module, a multi-band electromagnetic generation module and a self-adaptive optimization module. Firstly, skin impedance, blood flow and temperature parameters are collected by the system, and a collaborative strategy is generated through multi-parameter analysis of an intelligent control module; the time-space cooperative control module synchronously adjusts the ion release and electromagnetic field excitation time sequence; the multi-channel ion release module realizes quantitative release of multiple types of ions by utilizing microfluidics; the multi-band electromagnetic generation module outputs low-frequency, medium-frequency and high-frequency programmable electromagnetic fields; the adaptive optimization module dynamically corrects treatment parameters based on the electrophysiological feedback. According to the system, multi-modal fusion of iontophoresis and electromagnetic stimulation is realized, and the accuracy and individualization level of treatment are improved.
Owner:归益堂中医健康科技(深圳)有限公司

Rehabilitation physiotherapy device adopting electromagnetic pulse and ion release and control method

The invention discloses a rehabilitation physical therapy device adopting electromagnetic pulse and ion release and a control method, and relates to the technical field of physical therapy equipment, the rehabilitation physical therapy device is used in a control module of the rehabilitation physical therapy device, and the rehabilitation physical therapy device further comprises an electromagnetic pulse generator, an ion release unit and a physiological sensor module, the control method comprises the steps that real-time physiological data, collected by the physiological sensor module, of a user is acquired; preprocessing the physiological data of the user; analyzing the current physiological state of the user according to the physiological data of the user; according to the current physiological state of the user, the control module adjusts the working frequency, intensity and / or working time of the electromagnetic pulse generator and the ion concentration and / or release time released by the ion release unit in real time; generating a personalized treatment scheme based on the historical physiological data of the user and the feedback result; dynamic treatment is achieved by integrating multiple physiological data, and the rehabilitation effect and actual use experience of a patient can be effectively enhanced.
Owner:归益堂中医健康科技(深圳)有限公司

Automobile essence for removing formaldehyde and releasing negative ions and preparation method thereof

The invention relates to the technical field of automobile essence preparation, and particularly discloses automobile essence capable of removing formaldehyde and releasing anions and a preparation method of the automobile essence. Comprising the following raw materials in parts by weight: 500-600 parts of deionized water, 18-24 parts of a negative ion release enhancing component, 12-20 parts of an aldehyde removing component, 30-40 parts of absolute ethyl alcohol, 8-14 parts of a dispersing agent, 14-18 parts of phenoxyethanol, 22-26 parts of an initiator solution and 6-10 parts of citral. A negative ion release enhancing component and a formaldehyde removal component are added, the negative ion release enhancing component is prepared by modifying core-shell particles with a silane coupling agent, the outer layer of each core-shell particle is of a porous titanium dioxide structure, the inner core of each core-shell particle is modified electrical powder, and the formaldehyde removal component is prepared by carrying out a ring-opening esterification reaction on sodium alginate and allyl glycidyl ether, so that the formaldehyde removal effect is improved. And then carrying out chemical cross-linking with hydroxypropyl acrylate and methacrylic acid, thereby coordinating and enhancing the formaldehyde removal capability, the anion release capability and the antibacterial effect.
Owner:YUANYANGXING (CHONGQING) HEALTH TECHNOLOGY CO LTD

Coix seed bran polypeptide capable of chelating inorganic calcium, calcium chelate thereof, preparation method and application

The invention discloses coix seed bran polypeptide capable of chelating inorganic calcium, a calcium chelate thereof, a preparation method and application, and belongs to the technical field of food processing. The amino acid sequence of the coix seed bran polypeptide comprises KGITDLKPVL, MSAAV, RSGSGG, NGSSGR, TEAEPANLDKFVHHLSENHFFPNRV, KDIFVDTLC, GLDWARLLKL, GSHVL, LHHIGPQTHISL, IEYASSKEGSACKEGV or TIVGFQRHGLHF, and the coix seed bran polypeptide prepared by mixing the coix seed bran protein extract and trypsin is mixed with a calcium source to prepare the coix seed bran polypeptide-calcium chelate. The pearl barley bran is used as the raw material, the process is simple and convenient, the cost is low, the calcium ion release rate of the product chelate is high, the heat stability is high, the absorption efficiency of calcium can be improved, and the pearl barley bran chelate has good functional food and health care product application prospects.
Owner:THE KEY LAB OF CHEM FOR NATURAL PROD OF GUIZHOU PROVINCE & CHINESE ACADEMY OF SCI