24 results about "Dual response" patented technology

The invention is suitable for the technical field of electrochemical energy storage, and provides an integrated structure solid-state battery module constructed based on SiO2 aerogel powder and a preparation method of the integrated structure solid-state battery module. And a stress buffering-ion conduction-thermal triggering self-repairing collaborative interface system is constructed. According to the Janus powder, a ZrO2 nanocluster and a SiO2 network form a rigid core, a dynamic shell containing a Diels-Alder dynamic covalent bond is grafted on the outer surface and the inner wall of a pore channel, and a lithium salt-ionic liquid compound is loaded in pores; a vertical columnar stress supporting framework is formed through a transient liquid phase auxiliary cold sintering process, and two-step thermal triggering self-repairing treatment is combined, so that stress buffering of electrode volume change in the charging and discharging process and interface self-repairing in the early stage of thermal abuse are achieved. The interface stability, the cycle life and the thermal safety of the solid-state battery are remarkably improved, and the solid-state battery is suitable for power batteries, high-capacity energy storage batteries and other scenes.

The invention provides a method for preparing a large-area side-chain cholesteric liquid crystal elastomer thin film based on a blade coating method and application of the large-area side-chain cholesteric liquid crystal elastomer thin film. By controlling the content of sulfydryl functional groups in a system and accurately controlling key process parameters such as the blade coating rate and the blade coating temperature in the blade coating process, simple and controllable preparation of a one-pot method is achieved, and the prepared large-area side-chain cholesteric liquid crystal elastomer film has the force-induced discoloration and thermochromism dual response characteristics and is suitable for large-scale production. Wide application prospects are shown in the fields of color-changing materials, strain sensing, intelligent anti-counterfeiting, soft robots and the like, a new thought is provided for controllable preparation of high-performance intelligent response materials, and a new technical route is opened up for manufacturing of large-area customizable functional films.

The invention discloses a preparation method of a non-Newtonian fluid-based temperature-shear dual response type ophthalmic sustained-release drug carrier, and belongs to the technical field of ophthalmic medicines. The preparation is composed of a dispersed phase (a temperature response type targeting nano-drug carrier) and a continuous phase (a non-Newtonian fluid matrix), wherein the mass fraction of the dispersed phase in the continuous phase is 0.5-2%. The temperature response type targeted nano-drug carrier is of a core-shell two-layer structure, the core is composed of a PLGA-PEG copolymer and an active drug, the shell is formed by grafting poly N-isopropylacrylamide (PNIPAM) and hyaluronic acid, and the lowest critical solution temperature (LCST) of the PNIPAM is 35-37 DEG C; the non-Newtonian fluid matrix is a pseudoplastic fluid, is composed of Carbomer 940 and triethanolamine, and has a shear thinning characteristic. The preparation method comprises the following three steps: preparation of the temperature response type targeting nano-drug carrier, preparation of the non-Newtonian fluid matrix and low-speed dispersion and compounding of the two. According to the invention, shear-response convenient administration, temperature-response precise drug release and long-acting retention synergism are realized, the bioavailability of the drug and the compliance of a patient are remarkably improved, the stability is excellent, the preparation process is simple and controllable, and the preparation method is suitable for long-acting targeted therapy of chronic eye diseases such as allergic conjunctivitis, chronic xerophthalmia, glaucoma and the like.

The invention belongs to the technical field of catalytic degradation, and particularly relates to a Z-type catalyst ZnCo2O4 / FeCo2O4 which is synthesized on the basis of a sol-gel method and has microwave-ultrasonic double response activity as well as a preparation method and application of the Z-type catalyst ZnCo2O4 / FeCo2O4. The ZnCo2O4 / FeCo2O4 nanoparticle catalyst is obtained by adopting a sol-gel method, and antibiotics are degraded by combining a microwave-ultrasonic synergistic effect. As a new method for treating the antibiotic wastewater, the method has the advantages of high degradation efficiency, high speed, low cost, no secondary pollution and the like, is suitable for large-scale treatment of the antibiotic wastewater, and can quickly and thoroughly degrade the antibiotic wastewater in a short time.

The application discloses a FRET fluorescent probe with dual response to acetylcholinesterase and viscosity, a preparation method and application thereof, wherein the structure of the FRET fluorescent probe is shown in the following formula: The fluorescent probe is based on a fluorescence resonance energy transfer (FRET) mechanism, responds to acetylcholinesterase (AChE) at a short wave of 520 nm, and the detection limit is as low as 0.104 U / L, and responds to viscosity at a long wave of 680 nm, and the wavelength difference is as high as 160 nm, and the dual-channel response has no crosstalk. Cell toxicity test shows that the probe has good biocompatibility, and confocal fluorescence microscopic imaging experiment shows that the probe has good light stability for cells, has the ability of simultaneously monitoring the concentration change of AChE in cells and the viscosity fluctuation of cells, and is suitable for confocal fluorescence imaging for tracing the concentration change of AChE in cells and the viscosity fluctuation.

The invention discloses a dual response type intelligent micro-capsule, an anti-icing insulator coating and a preparation process of the anti-icing insulator coating. The micro-capsule adopts a PDMAEMA / ZIF-8 hybrid composite material as a capsule wall, and hydrophobic small molecules and a repairing agent are encapsulated in the micro-capsule. The capsule wall has hierarchical response characteristics: hydrophobic molecules are slowly released daily to maintain super-hydrophobicity; the early warning protection effect is achieved through accelerated release in a weak acid environment; and when strong acid or mechanical damage occurs, the repair agent is broken and released to realize rapid self-healing repair. The microcapsule is used as a functional filler to be compounded with matrixes such as epoxy modified organic silicon resin and the like, and is coated on the surface of an insulator by adopting a spraying and stepped curing process. The problems that the hydrophobic performance of a traditional coating is irreversibly attenuated and the repairing mechanism is single are effectively solved, integrated cooperation of long-acting dynamic maintenance, environment early warning and active repairing is achieved, the anti-icing capacity of an insulator in a severe environment is remarkably improved, and the service life of the insulator in the severe environment is remarkably prolonged.

The application provides a gold nano drug delivery system with pH / NIR-II dual response characteristics and a preparation method thereof, and is prepared by sequentially preparing a gold nanocage (AuNC), a mesoporous silica coated AuNC (AuNC@mSiO2), an amino modified AuNC@mSiO2 (AuNC@mSiO2-NH2), a drug or dye loaded AuNC@mSiO2-NH2 (AuNC@mSiO2-NH2 intersection drug / dye), a PAA coated AuNC@mSiO2-NH2 intersection drug / dye (AuNC@mSiO2@PAA), and finally modifying with PEG and iRGD to obtain the gold nano drug delivery system ASPPR with a core-shell-membrane sandwich structure; the gold nano drug delivery system can realize precise cooperation of photothermal effect and mTOR inhibition in time and space, targets tumor to deliver an mTOR inhibitor first, restores antigen presentation, and then carries out photothermal therapy, so that better treatment conditions are provided for the photothermal therapy, and a combined treatment strategy is optimized.

This invention discloses a dual-response phase change hydrogel material for battery thermal management and its preparation method. The material is composed of water, N-isopropylacrylamide, polyvinyl alcohol, polyethylene glycol, graphene, a crosslinking agent, and an initiator in specific mass percentages. Its core feature is its dual-response characteristics of temperature and pressure: in terms of temperature response, the material undergoes a reversible solid-liquid phase change at approximately 35.2℃ for daily temperature control, and suppresses thermal runaway through a strong endothermic phase change in the 60-80℃ range; in terms of pressure response, the material possesses a piezoresistive effect, which can sensitively detect changes in internal battery pressure and provide early warning. This material also exhibits high thermal conductivity (≥3.7 W / (m·K)), excellent structural stability, and mechanical properties. Its preparation method mainly includes mixing the components, heating and dissolving, mold casting, and ultraviolet curing. This material is particularly suitable for intelligent battery thermal management in electric vehicles, energy storage systems, and other fields, and can significantly improve the safety and reliability of the system.

The invention discloses a pH / temperature dual response type core-shell structure charcoal composite slow-release carbon source as well as a preparation method and application thereof, and belongs to the technical field of functional materials and water body remediation. The method comprises the following steps: dispersing biochar and activated carbon felt fragments in deoxidized water, adding a FeCl2 solution, and slowly dropwise adding a NaBH4 solution for reaction to obtain a composite material; dipping the composite material in a carbon source solution prepared by dissolving starch and sodium acetate in hot water, oscillating and adsorbing at constant temperature, and drying to obtain a core precursor; the preparation method comprises the following steps: dissolving gelatin and sodium alginate in water, sequentially adding N-isopropylacrylamide, N, N '-methylene bisacrylamide and ammonium persulfate, introducing N2 to remove oxygen, and performing prepolymerization to prepare a prepolymerization solution; dispersing the core precursor in the pre-polymerization solution, and dropwise adding the slurry into a CaCl2 cross-linking bath; and reacting and collecting particles to obtain a final product. The system can respond to changes of pH and temperature of a water body environment, intelligently regulate and control a carbon source release behavior, and synergistically remove nitrate, heavy metals and organic pollutants.

This invention discloses three methods for reacting with Fe 3+ and Cr 3+ This invention relates to thiophene-containing probes with dual responses and their applications, belonging to the field of organic small molecule fluorescent probes. The probes are labeled FS-1, FS-2, and FS-3. Specifically, probe FS-1, under an excitation spectrum of 555 nm in acetonitrile solution, reacts with Fe... 3+ and Cr 3+ The binding caused a dramatic increase in fluorescence intensity at 584 nm; the FS-2 probe pair, in acetonitrile solution, under an excitation spectrum of 530 nm, reacted with Fe... 3+ and Cr 3+ The binding caused a sharp increase in fluorescence intensity at 555 nm; the FS-3 probe, in acetonitrile solution, under an excitation spectrum of 560 nm, reacted with Fe... 3+ and Cr 3+ The binding caused a sharp increase in fluorescence intensity at 584 nm in the fluorescence spectrum. All three probes were effective against Fe. 3+ and Cr 3+ It has high sensitivity, which is beneficial for detecting food containing these heavy metal ions and for playing a role in environmental monitoring.

The application discloses a photothermal dual-driven logic device based on ferroelectric materials and a preparation method thereof. The photothermal dual-driven logic device comprises a hemispherical substrate and a plurality of detection units arranged in the hemispherical substrate. The photothermal detection unit is composed of a first detector ferroelectric material A and a second detector ferroelectric material B in series. The first detector and the second detector are used to receive a thermal signal and a light signal respectively. The dual response of the ferroelectric material to the thermal signal and the light signal is used to realize logic operation. Compared with a traditional logic device, the device successfully utilizes the light and thermal signals in the natural environment to realize the XOR operation, has lower energy consumption, is simple, has the characteristics of collecting light and thermal signals in different directions, and has better application prospects in the light field and the thermal radiation field.

The application discloses a kind of water power and pollutant dual response type nano repair materials and its application;Nano repair material has core-shell-outer layer structure, core provides repair function;Inner shell layer can perceive and respond target pollutant concentration, regulate active release;Outer shell layer can respond groundwater flow rate (shear force), regulate particle migration behavior.Nano repair material of the application can realize "low pollution area stable migration, high pollution area efficient activation", solve the problem of short migration distance of traditional nano repair material, non-target consumption fast, especially suitable for repairing complex groundwater flow affected organic pollution plume.The simultaneously provided repair method and repair system realize the controllability and intelligentization of repair process.

The invention belongs to the technical field of pipeline repair materials, and particularly relates to photocuring-moisture curing dual-response type pipeline lining repair resin and a synthesis method thereof, a lining hose and a preparation method and a construction method thereof. The repair resin comprises the following components in parts by weight: 40-60 parts of matrix resin A; 20 to 35 parts of matrix resin B; 10 to 20 parts of a reactive diluent; 1.5 to 3.0 parts of a photoinitiator A; 0.5 to 1.5 parts of a photoinitiator B; 0.05 to 0.2 part of a moisture sensitive accelerant; 0.5 to 2.0 parts of a coupling agent; 1.0 to 3.0 parts of a thixotropic agent; 0.2 to 0.5 part of an antioxidant; wherein the matrix resin A is an aliphatic polyurethane acrylate prepolymer; the matrix resin B is an isocyanate terminated polyether prepolymer; the photoinitiator A is 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide; and the photoinitiator B is 1-hydroxycyclohexyl phenyl ketone. The invention provides photocuring-moisture curing dual-response type pipeline lining repairing resin and a synthesis method thereof, a lining hose and a preparation method and a construction method thereof.

The application discloses an intelligent active composite film with fresh-keeping and monitoring functions and a preparation method and application thereof. The preparation method comprises the following steps: limiting and intercepting thymol by spirulina to obtain spirulina loaded with thymol; coating the spirulina loaded with thymol by carboxymethyl chitosan to prepare an intelligent fragrance micro-reactor with pH / humidity dual response characteristics; and performing film forming treatment on a film forming liquid containing konjac glucomannan, blueberry anthocyanin, the intelligent fragrance micro-reactor and water to prepare the intelligent active composite film with the fresh-keeping and monitoring functions. The intelligent active composite film can realize fresh-keeping through active anti-corrosion intervention, has the in-situ freshness real-time diagnosis function and has a good application prospect in novel green food packaging materials.

The invention relates to a real-time detection method of an oral dental plaque biofilm based on a Dual-response self-driven micromotor, which starts from real-time detection of pBF, and utilizes particle self-assembly according to the basic principles of self-driven MMS, quantum dot fluorescence'on / off 'sensing, molecular imprinting specific recognition, aptamer specific recognition capability and the like to detect the oral dental plaque biofilm in real time. The method comprises the following steps of: designing and preparing a Janus structure MMS which respectively has fluorescence / speed dual response to quorum sensing signal molecules AI-2 and pathogenic bacteria by means of ion sputtering, chemical surface modification and the like in allusion to the detection of pBF, and modifying a quantum dot-molecularly imprinted polymer on the surface of the MMS, so that the rapid, high-sensitivity and high-specificity detection of the quorum sensing signal molecules AI-2 is realized, and the detection sensitivity of the quorum sensing signal molecules AI-2 is improved. The method comprises the following steps: performing aptamer functional modification on a micromotor and platinum nanoparticles, establishing a positive correlation relationship between the movement speed of MMS and the concentration of pathogenic bacteria, and combining with a portable microscopic device, thereby realizing real-time detection of pBF.

The invention belongs to the technical field of energy conservation and environmental protection, and particularly relates to a pH / ORP (oxidation-reduction potential) double-response type microbial remediation microsphere as well as a preparation method and application thereof. The microbial remediation microspheres disclosed by the invention are prepared by mixing a mixed bacteria suspension and a composite gel solution, and carrying out ionic crosslinking and oxidative crosslinking on the mixed bacteria suspension and the composite gel solution. Wherein the mixed bacteria suspension comprises desulfurization vibrio and citrobacter; the effective components of the composite gel solution comprise xanthan gum, low-fat pectin and rice hull ash. According to the microbial remediation microsphere, the remediation process is automatically and rapidly triggered through the pH and ORP double-response slow release function design, heavy metal is fixed through the biochemical process of functional bacteria, and long-term stabilization and harmlessness of the heavy metal are achieved.

The application discloses modified graphite felt with electric heating and photothermal dual response characteristics, a preparation method and application, and comprises a graphite felt matrix, a graphitized multi-walled carbon nanotube conductive photothermal layer loaded on the surface of the graphite felt matrix, and a hydrophobic layer wrapped on the outer surface of the conductive photothermal layer. The composite material has high efficient electric heating conversion and photothermal conversion capacity, can rapidly heat up under power supply and / or illumination to reduce the viscosity of high-viscosity oil, has stable super-hydrophobic characteristics, can realize efficient and selective separation of an oil-water mixture, and is suitable for oil spill recovery in a complex environment, especially in weak light or no light conditions.

The application discloses a photocuring ink with initiation inhibition dual response, and relates to the technical field of photocuring materials, and comprises the following components: a photopolymerizable monomer or prepolymer; a photoinitiator which is sensitive to a first waveband of light and generates active free radicals under light; a photo-inhibitor which is sensitive to a second waveband of light and generates active inhibitor substances to quench free radicals under light; wherein the first waveband and the second waveband are orthogonal in the spectrum; and an electron donor adjuvant or an oxygen scavenger for regulating the influence of environmental factors on printing accuracy. The photocuring ink with initiation inhibition dual response realizes digital two-way control of photochemical reaction, builds intelligent photocuring materials with specific triplet photosensitive agents as core switches, and through input of digital light signals with different wavelengths, can trigger two opposite chemical processes of 'polymerization' and 'inhibition', thereby providing an effective material tool for photon-driven precision manufacturing.

This invention discloses a fast edge response method and system based on adaptive short-window sampling. The method includes: acquiring and analyzing audio data during the startup phase, establishing a noise model and setting initial monitoring parameters to obtain a noise baseline; based on the noise baseline, continuously monitoring changes in ambient sound of the input signal, and dynamically adjusting the sampling window to adapt to different acoustic scenarios by combining a decision threshold; comprehensively evaluating the input signal using multiple audio features to identify valid voice events; and based on the voice events, employing a fast feedback link and a background main recognition model for a dual response of real-time interaction and deep semantic understanding. By implementing the method of this invention, a fast response, effective handling of noisy environments, and adaptation to low-computing-power edge devices can be achieved, thereby improving the voice interaction experience of smart toys.

The invention provides a core-shell network structure temperature-magnetic field dual response shape memory particle and a preparation method and application thereof, and relates to the technical field of oil and gas field development. The memory particle comprises a magnetic shape memory core and a shape memory shell, the glass transition temperature Tg2 of the magnetic shape memory core is higher than the target oil reservoir temperature; the glass transition temperature of the shape memory shell is not higher than the target oil reservoir temperature, and the surface functionalized magnetic nanoparticles are connected with the polymer network of the magnetic shape memory core through covalent bonds. By constructing a core-shell hierarchical structure, a hierarchical response mechanism cooperatively triggered by the temperature and the magnetic field is achieved, the shell is recovered in advance at the oil reservoir temperature to promote deep migration of particles, the core triggers secondary recovery at a fixed point through the magnetothermal effect under the action of the alternating magnetic field, and accurate plugging of cracks is achieved; and the method is suitable for the development of low-permeability, ultra-low-permeability and unconventional fractured oil and gas reservoirs.

The invention belongs to the technical field of functional application materials and coal chemical industry, and discloses an intelligent response type coal tar viscosity reducer and a preparation method and application thereof.The viscosity reducer serves as a novel intelligent material, the temperature and pH dual response mechanism is integrated into one molecule for the first time, the leap from a static material to a dynamic intelligent material is achieved, and the application prospect is wide. The viscosity reduction behavior of the viscosity reducer can be adaptively adjusted according to environmental conditions, the intelligent effects of strong viscosity reduction at low temperature / unfavorable pH and moderate viscosity reduction at high temperature / neutral pH are achieved, the dynamic requirements of a coal tar whole-flow process are perfectly matched, and the viscosity reducer has essential leap with a traditional viscosity reducer with fixed functions.

The invention relates to a polymer nanoparticle with GSH / ROS dual response as well as a preparation method and application of the polymer nanoparticle. The GSH / ROS double-response type polymer nanoparticle is used for a drug loading system, can have the characteristics of high drug loading capacity, high responsiveness, high tumor targeting, high tumor cell inhibition and stability without a stabilizer, can be rapidly disintegrated in an environment similar to a tumor microenvironment, rapidly releases an entrapped drug, and has a good application prospect. The toxicity of chemotherapeutic drugs to normal tissues is reduced, and the composition is green and safe. The invention provides a preparation method of polymer nanoparticles which are good in stability and have GSH / ROS double responses. In addition, the invention further provides a freeze-drying method of the drug loading system, and the stability of the preparation is improved. The technology solves the problems of complex synthesis and high cost of the existing nano-drug carrier, and has wide application prospects.

The present application relates to a kind of temperature-pH dual-response hydrogel, preparation method and extinguishing agent thereof, belong to hydrogel extinguishing agent technical field, solve the problems such as poor environmental adaptability, single response and high reburning rate of hydrogel extinguishing agent in prior art.The temperature-pH dual-response hydrogel disclosed in the present application uses ammonium persulfate as initiator, pure water as solvent, by controlling the molar ratio of N-isopropyl acrylamide (NIPAM) and maleic anhydride (MAH), so that the intermediate product is generated;Again, using pure water as solvent, by the reaction of intermediate product and melamine, then after separation and purification, the final product obtained not only has higher yield, but also has temperature and pH dual response.