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135 results about "Polystyrenesulfonic acid" patented technology

Single-ion conductor polymer, ternary composite binder solution, high-solid-content sulfide electrolyte slurry and wet film forming method and application of high-solid-content sulfide electrolyte slurry

The invention discloses a single-ion conductor polymer, a ternary composite binder solution, high-solid-content sulfide electrolyte slurry and a wet film forming method and application thereof, and belongs to the technical field of all-solid-state lithium batteries. The key technical problems in the wet membrane preparation of the sulfide electrolyte are solved through an innovative solvent-binder synergistic system, and the method specifically comprises the steps that 1, through the synergistic effect of a non-polar solvent and a weak-polar solvent, low-viscosity coating of high-solid-content slurry is achieved while the chemical stability of the sulfide electrolyte is guaranteed; 2, a poly (lithium styrenesulfonate-butyl acrylate), styrene butadiene rubber and polyisobutene ternary composite binder is designed, a lithium ion transmission channel is provided through a lithium sulfonate group, a benzene ring structure in the styrene butadiene rubber enhances the mechanical strength, long-chain alkane in the polyisobutene improves the interface adhesive force, and the mechanical strength is improved; the three components cooperate to realize balance of mechanical and electrochemical properties of the electrolyte membrane, so that the prepared electrolyte membrane has low porosity, high ionic conductivity and mechanical strength.
Owner:SHANGHAI FIRM LITHIUM NEW ENERGY TECH CO LTD

Nano-porous aerogel based on carboxymethyl chitosan as well as preparation method and application of nano-porous aerogel

The invention discloses nano-porous aerogel based on carboxymethyl chitosan as well as a preparation method and application of the nano-porous aerogel, and belongs to the technical field of biomass-based aerogel. The aerogel is prepared from the following raw materials in parts by weight: 2.5 parts of deionized water, 0.075 part of carboxymethyl chitosan (CMC), 0.0075 to 0.0225 part of carboxylated multi-walled carbon nanotubes (C-CNT), 0.01125 part of glutaraldehyde (GA), 0.01 part of poly (3, 4-ethylenedioxythiophene)-poly (styrene sulfonic acid) (PEDOT: PSS) and 10 parts of dimethyl sulfoxide (DMSO). According to the preparation method, CM C is used as a matrix, C-CNT is used as an internal conductive material and a strength enhancing material, hydrogel is formed under the action of a cross-linking agent GA, and CMC / C-CNT aerogel is prepared through directional freeze drying; cMC / C-CNT is taken as a substrate, then PEDOT: PSS is dip-coated to obtain CMC / C-CNT / PEDOT: PSS, the CMC / C-CNT / PEDOT: PSS is taken as an external conductive substance, the CMC / C-CNT / PEDOT: PSS and internal C-CNT form a double-conductive network, aerogel with excellent conductive performance and mechanical performance is prepared, the prepared aerogel is used for preparing an aerogel sensor, and the prepared sensor has high mechanical performance and high electrical performance.
Owner:XIAN UNIV OF TECH

Application of additive for coarsening electrolytic raw foil in coarsening of electrolytic raw foil, coarsening solution and preparation method of electrolytic copper foil

The invention belongs to the technical field of electrolytic copper foils, and particularly relates to application of an additive for coarsening an electrolytic raw foil in coarsening the electrolytic raw foil, a coarsening solution and a preparation method of an electrolytic copper foil. The additive for coarsening the electrolytic raw foil, which is provided by the invention, is selected from one or more of 1-hydroxyethyl-3-methylimidazole polystyrene sulfonate, 1-butyl-3-methylimidazole polystyrene sulfonate, poly (1-butyl (3-hydroxyl)-3-methylimidazole chloride salt and guar gum. By introducing the polyion liquid, a large amount of uniform and fine nano-scale copper teeth can be generated on the rough surface of the copper foil, so that the specific surface area of the surface of the copper foil is increased, the high peel strength between the copper foil and a resin substrate is realized while the low profile tolerance is ensured, and the obtained copper foil has the properties of low surface roughness and high peel strength; and the performance requirements of high PCB transmission frequency, high speed and low loss under 5G communication can be met.
Owner:HENAN UNIV OF SCI & TECH

Artificial SEI material and preparation method thereof, artificial SEI membrane and artificial SEI membrane modified negative electrode

The invention discloses an artificial SEI material and a preparation method thereof, an artificial SEI film and an artificial SEI film modified negative electrode. The artificial SEI material is an organic polymer brush (CNF-g-PSSX) prepared by grafting cellulose nanofibers with polystyrene sulfonate. The polymer brush is of a crystal structure and has a firm framework; and the side chain of polystyrene sulfonate has rich-SO3 functional groups which are matched with cations in sulfonate, so that a rapid ion transmission channel is provided, high-current-density circulation can be realized, and good interface contact is ensured. Due to a special molecular topological structure and a multi-component synergistic effect, when the organic polymer brush forms an artificial SEI film, high mechanical strength, high ionic conductivity and low interface impedance can be obtained at the same time, and through strong electrostatic repulsion between a negatively charged-SO3 group and the surface of a negatively charged lithium dendrite tip, the electrochemical performance of the artificial SEI film is improved. An obvious inhibition effect is shown on the continuous growth of dendritic crystals.
Owner:ZHEJIANG LIWINON ENERGY TECHNOLOGY CO LTD

Diaphragm, preparation method thereof and lithium ion battery

The invention provides a diaphragm and a preparation method thereof and a lithium ion battery, the diaphragm comprises a base membrane layer and a composite functional layer, the composite functional layer comprises hydrophobic SiO2 aerogel modified by a hydrophobic agent, a conductive ion polymer and a solid electrolyte, and the composite functional layer respectively accounts for 3-12wt%, 0.5-1.0 wt% and 0.5-1.5 wt% of the total mass of the diaphragm; the hydrophobic agent comprises trimethylchlorosilane, hexamethyldisilazane, perfluorooctyltriethoxysilane, polyvinylidene fluoride, polydimethylsiloxane and the like, the conductive ionic polymer comprises polyvinylpyrrolidone, lithium polymethacrylate, lithium polystyrene sulfonate, polyacrylamide and the like, and the solid electrolyte comprises lithium lanthanum titanium oxide, lithium lanthanum zirconium oxide, lithium lanthanum zirconium tantalum oxide and the like. The wettability is improved by the high porosity of the hydrophobic SiO2 aerogel, the stability and strong conductivity of a physical conductive network of the solid electrolyte and the ion affinity and amphoteric binding capacity of the conductive ion polymer are optimized, the electrochemical performance and thermal stability of the interface are optimized, and comprehensive optimization of the thermal-electric-interface performance of the diaphragm is realized through combination.
Owner:JIANGSU RELIANCE ENERGY TECHNOLOGY CO LTD

Mobile or stationary biocidal and virucidal air filters and room fans, as well as methods for the production and environmentally friendly disposal of their air filter materials.

Mobile or stationary air filter (L) or room fan (RL) according to Figure 1, comprising an outer wall (5), a (2) for generating an airflow (3) which is guided through an air filter material (1.1), an air inlet (2.1) and an air outlet (2.2), wherein the air filter material (1.1) contains poly(styrenesulfonic acid) (sulfonic acid biocide) (1.3) cross-linked with divinylbenzene and / or an acidic salt (1.3.1) (sulfonic acid biocide salt) of the sulfonic acid biocide (1.3) with biocidal cations, wherein the sulfonic acid biocide (1.3) and / or sulfonic acid biocide salt (1.3.1)(i) are positively and / or materially bonded to and / or in inert carriers and, in the fixed state, are in direct contact with carrier materials (1.1.7) on and / or in which biocidal Metal microparticles of a mean particle size d50 of 0.1 µm to <1,000 µm are fixed, and / or (ii) with carrier materials (1.1.7) on and / or in which biocidal metal microparticles of a mean particle size d50 of 0.1 µm to <1.000 µm are fixed, are mixed; its use and methods for the production and environmentally friendly disposal of air filter materials (1.1).
Owner:MUNCH ELKE

Hydrogel patch with piezoelectric and conductive characteristics and high adhesion as well as preparation method and application of hydrogel patch

The invention belongs to the field of biomedical materials, and discloses a hydrogel patch with piezoelectricity, conductivity and high adhesion and a preparation method and application of the hydrogel patch. Polyvinyl alcohol (PVA) and acrylic acid (AA) serve as polymer frameworks of the hydrogel patch; the invention relates to a nano-zinc oxide / poly (3, 4-ethylenedioxythiophene) / poly (styrenesulfonic acid) (PEDOT: PSS) composite conductive adhesive, which comprises nano-zinc oxide (ZnO) as a piezoelectric material, poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonic acid) (PEDOT: PSS) as a conductive material, and N-hydroxysuccinimide acrylate (NHS-AA) as an adhesive functional monomer. According to the invention, active ester groups in the N-hydroxysuccinimide acrylate are utilized, so that the patch can quickly form covalent amido bonds with amino groups on the surface of a tissue in a dry state, firm adhesion is realized, local nerve repair can be effectively promoted through a piezoelectric effect, a novel ideal material is provided for disease treatment, and the patch has wide application prospects. Wide clinical application prospects are realized in the field of biological medicines.
Owner:SOUTHEAST UNIV

Aluminum ion battery positive pole piece, aluminum ion battery and preparation method

The invention discloses an aluminum ion battery positive pole piece, an aluminum ion battery and a preparation method, and belongs to the field of batteries. The positive pole piece of the aluminum ion battery comprises an active substance and a binder, the binder is a mixture of 3, 4-ethylenedioxythiophene: polystyrene sulfonate and a functional agent; the active substance is one of graphite, polytriphenylamine, polydiphenylamine, polythiophene, polypyrrole, polyaniline and graphene; the functional agent is one of tannic acid, polyethylene oxide, sorbitol, polyethyleneimine, glycerol and xylitol. Anions of polystyrolsulfon acid and positive ions of 3, 4-ethylenedioxythiophene molecules form positive and negative electron pairs, so that the adhesive has conductivity; the binder enables the active substances to be mutually connected to form conductive chains through intermolecular acting force, and the conductive chains are mutually contacted to form a conductive network. The positive pole piece adopting the binder has good conductivity, temperature resistance and cohesiveness, and does not react with electrolyte, so that the performance of the aluminum ion battery is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Yttrium [90y] microsphere and preparation method therefor and use thereof

The present application relates to the technical field of radiopharmaceutical preparation, specifically relates to an yttrium [90Y] microsphere and preparation method therefor and use thereof. The yttrium [90Y] microsphere comprises a polystyrene sulfonic acid type resin microsphere and yttrium-90 adsorbed within the polystyrene sulfonic acid type resin microsphere. The use of polystyrene sulfonic acid type resin microsphere to adsorb yttrium-90 has significantly improved adsorption strength, significantly improved safety during preparation and use, and has a good killing effect on tumor cells.
Owner:JIANGSU MEDNOVO MEDICAL GRP CO LTD

Bio-gel electrode based on dual-network crosslinking and preparation method and application thereof

The invention discloses a biological gel electrode based on polyvinyl alcohol and gelatin double-network crosslinking as well as a preparation method and application of the biological gel electrode, and belongs to the technical field of conductive hydrogel. According to the method, polyvinyl alcohol, gelatin, liquid metal, poly (3, 4-ethylenedioxythiophene)-polystyrolsulfon acid (PEDOT: PSS) and the like are used as main raw materials. Wherein the liquid metal gallium indium alloy is a conductive filler, sodium tetraborate is used as a cross-linking agent, and the biological double-network structure gel electrode with excellent conductivity, relatively low skin impedance and relatively good self-healing is obtained. As a biological electrode patch, the hydrogel prepared by the invention can be used for long-time and high-fidelity electrophysiological electrical signal acquisition, such as electrocardiosignals, electromyographic signals, electroencephalogram signals and the like. In addition, the biogel electrode provided by the invention is simple in preparation process, low in cost and good in biocompatibility, and has huge potential in the aspects of large-scale production, popularization and application of electrode patches.
Owner:BEIJING INST OF TECH

Liquid complex coacervates, articles derived therefrom, and methods for the manufacture thereof

A cured product of a liquid complex coacervate includes a macroion phase of a polyanion, a polycation, and a salt; wherein the polyanion has repeating units including one or more of a carboxylate group, a sulfonate group, a phosphonate group, a sulfate group, or a phosphate group; and wherein the polycation has repeating units including one or more of a nitrogen-containing cationic group, a phosphorus-containing cationic group, or a sulfur-containing cationic group; provided that when the polycation is poly(diallyldimethyl ammonium), the poly anion is not polystyrene sulfonate, or when the polyanion is polystyrene sulfonate, the polycation is not poly(diallyldimethyl ammonium). Methods of forming coatings are also disclosed.
Owner:BASF SE +1

Acoustic sensor and preparation method thereof

The invention relates to the field of sensors, and discloses an acoustic sensor and a preparation method thereof. The acoustic sensor comprises an upper support body, an acoustic sensing layer and a lower support body; the acoustic sensing layer comprises a first electrode layer, a flexoelectric material layer and a second electrode layer which are stacked in sequence; the flexoelectric material layer contains a two-dimensional layered material and an ion regulator; the two-dimensional layered material is selected from at least one of graphene oxide, boron nitride, vermiculite, molybdenum disulfide, tungsten diselenide, tungsten disulfide, black phosphorus, Mxene, molybdenum ditelluride and tungsten trioxide; the ion regulator is selected from one or more than two of polystyrolsulfon acid, polyethylene glycol, poly (diallyldimethylammonium chloride), carboxyl ethylene copolymer, polyethylene sulfonic acid, polymethylacrylic acid, polyethylene phosphoric acid, polyvinylamine, sodium alginate, silk fibroin and carboxylated nanofiber. The acoustic sensor operates by using the flexoelectric effect, and has higher sensitivity and high Young modulus.
Owner:BEIJING INST OF NANOENERGY & NANOSYST

Organosilicon pesticide wetting agent and preparation process thereof

The invention discloses an organosilicon pesticide wetting agent and a preparation process thereof, and relates to the technical field of wetting agents, the organosilicon pesticide wetting agent comprises the following raw material components: 50-150 parts of hydrogen-containing silicone oil, 50-150 parts of allyl polyether, 0.1-3 parts of a catalyst, and 30-80 parts of a nonionic surfactant, the invention relates to a polystyrolsulfon acid composition which comprises the following components in parts by weight: 50-150 parts of polystyrolsulfon acid, 1-10 parts of a thickening agent, 100-250 parts of glycerol, 25-55 parts of a first additive substance, 20-50 parts of a second additive substance and 5-15 parts of trace elements. The allyl polyether and the hydrogen-containing silicone oil are subjected to an addition reaction to generate polyether modified organic silicon with small molecular weight, the wettability of the wetting agent is improved, the modified organic silicon wetting agent is combined with the nonionic surfactant, the wettability is further improved, and the wetting effect is improved. And by grafting the branched chain on the hydrophobic group of the organosilicon compound wetting agent, the wetting effect of the wetting agent can be effectively improved, and the effective components of the pesticide can wet the surfaces of crops.
Owner:JIANGSU SIXIN SURFACTANT TECH

Electromagnetic shielding film and preparation method and application thereof

The invention discloses an electromagnetic shielding film as well as a preparation method and application thereof. The electromagnetic shielding film comprises the following components: InZnSeyC and a conductive polymer, the conductive polymer is prepared from poly (3, 4-ethylenedioxythiophene) and polystyrene sulfonate; the electromagnetic shielding film prepared by the invention has enough flexibility, bendability and self-supporting characteristic. The composite film can keep stable in structure without additional support, and has potential application prospects in the fields of 6G communication, high-frequency electromagnetic wave interference solving, health protection, flexible circuit boards and the like.
Owner:SHANGHAI INST OF TECH

Composite modification layer for negative electrode current collector and preparation method and application of composite modification layer

The invention relates to the technical field of negative-electrode-free lithium batteries, in particular to a composite modification layer for a negative electrode current collector and a preparation method and application of the composite modification layer. The composite modification layer for the negative electrode current collector is prepared by the following steps: carrying out pre-lithiation treatment on montmorillonite by utilizing lithium salt and oxalic acid to obtain a first solution; performing pre-lithiation treatment on polystyrolsulfon acid by using lithium hydroxide, and mixing with an alcohol solvent to obtain a second solution; uniformly mixing the first solution and the second solution to obtain a mixed solution; and performing planar two-dimensional spraying on the surface of the negative electrode substrate by using the mixed solution, and after drying, forming a composite modification layer on the surface of the negative electrode substrate. The preparation method solves the problems that solvent molecules of a traditional modification layer are gathered due to polar groups, the desolvation process is hindered, SEI rich in organic matter is formed, and transmission of lithium ions on the surface of the modification layer is hindered.
Owner:XI AN JIAOTONG UNIV

Conductive polymer hydrogel as well as preparation method and application thereof in biological tissues

The invention provides conductive polymer hydrogel, a preparation method thereof and application of the conductive polymer hydrogel in biological tissues. The conductive polymer hydrogel comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate and water, or the conductive polymer hydrogel comprises poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate, an additive component and water, the additive component comprises one or more of a non-conductive polymer and an ionic compound, and the additive component and / or poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate and / or poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate and / or poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate and / or poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate and / or poly (3, 4-ethylenedioxythiophene): polystyrene sulfonate. The polystyrenesulfonate is of a net structure, and the polystyrenesulfonate is of a polystyrenesulfonate structure. The conductive polymer hydrogel has a certain network structure and has better flexibility and conductivity. The conductive polymer hydrogel can meet the wide mechanical-electrical property requirements required by bioelectronic application, and can be effectively used as a biological electrode for epidermal and implantable electrophysiological signal recording by synergistically balancing mechanical compliance and conductivity, and stable and reliable high-signal-to-noise-ratio signals are provided.
Owner:TSINGHUA UNIVERSITY

Process for preparing ultra-high-purity rare earth oxide by ion exchange method

The invention relates to the technical field of rare earth hydrometallurgy, and discloses a process for preparing ultra-high-purity rare earth oxide by an ion exchange method, which comprises the following steps: loading monodisperse polystyrene sulfonic acid resin into a chromatographic column, and carrying out constant-temperature circulating pretreatment by using a pre-swelling solution containing urea and ammonium nitrate; preparing a rare earth feed liquid containing urea and with anions being nitrate radicals, introducing the rare earth feed liquid into the chromatographic column for adsorption saturation, and then connecting the rare earth feed liquid in series with the retardation column; carrying out displacement leaching by using a composite leaching solution in which ethylenediamine tetraacetic acid, 5-sulfosalicylic acid and urea are dissolved, and collecting target rare earth effluent in sections; and finally, adding a precipitant into the effluent for precipitation, and filtering, washing and firing to obtain the ultra-pure rare earth oxide. According to the invention, a urea swelling driven dynamic compensation system is constructed, and 10%-14% of monodisperse resin with high crosslinking degree is selected to cooperate with urea-ammonium nitrate pretreatment, so that low-pressure-drop operation at a high flow rate of 1.0 BV / h or above is realized.
Owner:JIANGXI XINRUI RESOURCES RECYCLING CO LTD

A graphene composite film and its preparation method and application

The present invention relates to the technical field of graphene composite film preparation, and more particularly to a graphene composite film, its preparation method, and its applications. The present invention utilizes multiple modification processes, including amino lignin modification, carbon nanotube modification, polyimide modification, and glutaraldehyde-crosslinked polystyrene sulfonic acid modification, to prepare the graphene composite film. By optimizing the raw material ratio and preparation process, the graphene composite film significantly improves its tensile strength, elongation at break, electrical conductivity, and thermal stability, showing promising application prospects in molecular devices such as molecular sensors and molecular field-effect transistors.
Owner:LULIANG UNIV

Process for preparing acesulfame-k and recycling by-products

The application discloses a preparation and by-product recycling process of acesulfame potassium, and belongs to the technical field of food additive production and processing. Amino sulfonic acid is added into N-butyl pyridine hydrogen sulfate ionic liquid and triethylamine in batches to obtain a homogeneous mixed solution; secondly, the mixed solution and diketene are introduced into a micro-channel reactor to perform a condensation reaction; and the discharge liquid is introduced into a polystyrene sulfonic acid resin loaded SO3 fixed bed reactor to perform a cyclization reaction; subsequently, the cyclization product is subjected to hydrolysis, decolorization, potassium salt crystallization and drying to obtain the acesulfame potassium product; and the crystallization mother liquor is separated through a nanofiltration membrane, and the intercepted liquid is an ionic liquid and triethylamine mixture, which is directly reused. The application inhibits the self-polymerization of diketene through the micro-channel reactor, replaces concentrated sulfuric acid with solid acid to avoid waste acid pollution, and realizes efficient recycling of by-products by combining nanofiltration membrane separation and catalytic depolymerization technology, and has the characteristics of green environmental protection and economic efficiency.
Owner:ANHUI JINHE INDUSTRIAL CO LTD

Solid electrolytic capacitor and method for manufacturing solid electrolytic capacitor

This solid electrolytic capacitor (100) includes a capacitor element (170) provided with a first electrode layer (141), a dielectric layer (150), a solid electrolyte layer (163), and a second electrode layer (160) formed on the outer surface of the solid electrolyte layer (163). The solid electrolyte layer (163) is formed of a polymer film containing: a crosslinked polymer obtained through crosslinking of a polymer having a carbonyl group by means of a crosslinking agent including a dihydrazide compound; and a complex formed of polyethylene dioxythiophene and polystyrene sulfonate. The second electrode layer (160) has a conductive polymer film (165) formed in contact with the solid electrolyte layer (163). The solid electrolyte layer (163) is a precoat layer used when forming the conductive polymer film (165) through electrolytic polymerization.
Owner:TDK CORP

Calcium polystyrene sulfonate and preparation method thereof

ActiveCN120059239BMicrosphereCalcium polystyrene sulfonate
The present application relates to the field of pharmaceutical chemistry technology, and specifically discloses a calcium polystyrene sulfonate and a preparation method thereof. The preparation method of calcium polystyrene sulfonate comprises the following steps: S1: uniformly mixing sodium polystyrene sulfonate microspheres with an aqueous dispersion of zeolite, heating and mixing, solid-liquid separation, and washing to obtain primary sodium polystyrene sulfonate microspheres; S2: preparing the primary sodium polystyrene sulfonate microspheres into suspension one, passing suspension one and calcium chloride solution into a microchannel reactor at the same time, reacting, solid-liquid separation, washing, preparing suspension two, passing suspension two and calcium chloride solution into a microchannel reactor at the same time, reacting, solid-liquid separation, washing, preparing suspension three, passing suspension three and calcium chloride solution into a microchannel reactor at the same time, reacting, solid-liquid separation, washing, and drying to obtain calcium polystyrene sulfonate. The calcium polystyrene sulfonate prepared in the present application has a high calcium loading rate and potassium ion exchange capacity.
Owner:LUOYANG ZHENYANGJIA PHARM CO LTD +1

A method for determining ion concentration based on a double electrolytic cell ion selective electrode

The application relates to the field of electrochemistry, in particular to a method for determining ion concentration based on a double electrolytic cell ion selective electrode, which comprises the following steps: using a poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) modified glassy carbon electrode or a reduced graphene oxide modified glassy carbon electrode as a working electrode, using a full solid-state ion selective electrode as a reference electrode, and using a platinum wire electrode as a counter electrode; inserting the working electrode and the counter electrode into a test electrolytic cell, inserting the reference electrode into a sample electrolytic cell, connecting the test electrolytic cell and the sample electrolytic cell through Ag / AgCl as a salt bridge, and determining the ion concentration in a to-be-measured solution by adopting a constant potential coulomb analysis method. The technical scheme of the application can minimize the current response time while ensuring the accuracy of ion concentration determination, realizes rapid measurement of ion concentration, and can be applied to detection of ion concentration in human serum.
Owner:GUANGZHOU UNIVERSITY

Composite hydrogel based on biological template induction and dual-network synergistic enhancement, preparation method of composite hydrogel and application of composite hydrogel in flexible sensor

The invention discloses composite hydrogel based on biological template induction and dual-network synergistic enhancement, a preparation method of the composite hydrogel and application of the composite hydrogel in a flexible sensor, and the preparation method of the composite hydrogel comprises the following steps: dissolving hydroxyethyl cellulose in a solvent to obtain a homogeneous dissolving solution; 3, 4-ethylenedioxythiophene and polystyrolsulfon acid are added into the dissolving solution, an initiator and an oxidizing agent are added, the pH of the system is adjusted to be acidic with sulfuric acid, EDOT is fully polymerized till the reaction is complete, and HEC anchored composite conductive polymer dispersion liquid is obtained; the preparation method comprises the following steps: preparing a pre-polymerized solution of acrylamide, uniformly mixing the pre-polymerized solution of acrylamide and the dispersion solution containing the composite conductive polymer, and carrying out thermal-initiated free radical polymerization to obtain a target product. The composite hydrogel is excellent in mechanical property, and a packaged sensor is wide in detection range, high in sensitivity, rapid in response and good in stability and can provide real-time and efficient electrochemical signal change feedback for physiological activities of a human body.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

A flexible artificial olfactory synapse and preparation method thereof

The present invention relates to a flexible artificial olfactory synapse and a preparation method thereof. The flexible artificial olfactory synapse of the present invention comprises: a substrate, the substrate is formed by a polyethylene terephthalate film; an electrode, the electrode comprises a gate, a source and a drain, and the electrode is formed on the substrate; an organic channel, the organic channel is formed by poly (3,4-ethylenedioxythiophene)-poly (styrene sulfonic acid), and the organic channel is formed on the substrate; a porous solid electrolyte, the porous solid electrolyte is at least partially coated on the surface of the substrate. The flexible artificial olfactory synapse of the present invention has a lower response limit (0.2ppm) to H2S, a wider sensing range (0.2-100ppm) and excellent anti-interference performance, and has a memory capacity of cumulative effect, realizing the perception and memory function of imitating a neurobiological system.
Owner:TSINGHUA UNIVERSITY

Silicon battery, battery passivation material and preparation method thereof

The present application relates to a silicon battery, a battery passivation material and a preparation method thereof, wherein the silicon battery is provided with a passivation layer, and the battery passivation material used in the passivation layer is a carboxylic acid / sulfonic acid / phosphorylated polystyrene compound. It is based on polystyrene sulfonic acid, a common passivation material for silicon batteries, and introduces silicon-based, titanium-based and other highly stable groups, thereby improving the overall stability of the compound, ensuring the stability of the passivation layer, thereby improving the stability of the silicon battery and extending the service life of the silicon battery.
Owner:HEBEI UNIVERSITY

Hybrid nanocarrier system

The invention relates to a hybrid nanocarrier system comprising engineered metal nanoparticles (MeNP), a flavonoid (Fl), a Raman-active molecule (RAM), poly(allylamine hydrochloride) (PAH), genetic material (GM), and poly(styrene sulfonate) (PSS), designed for use in fields such as gene therapy, cancer treatment, chemotherapy, treatment of genetic diseases, innovative vaccine technologies, the production of innovative antibiotics for antibacterial and antimicrobial therapies, drug delivery, the dietary supplement market, Raman imaging systems, biotechnological applications, and the agrochemical industry.
Owner:ERCİYES ÜNİVERSİTESİ STRATEJİ GELİŞTİRME DAİRE BAŞKANLIĞI

Lanthanum polystyrene sulfonate sheet and preparation method thereof

The present application belongs to the field of pharmaceutical preparation technology, and specifically discloses a lanthanum polystyrene sulfonate tablet and a preparation method thereof. Lanthanum polystyrene sulfonate tablet coating and powder, the powder comprising the following raw materials in parts by weight: 30-50 parts of lanthanum polystyrene sulfonate micropowder, 10-20 parts of filler, 15-25 parts of microcrystalline cellulose, 8-15 parts of hydroxypropyl methylcellulose, 0.1-0.6 parts of flavoring agent, 0.3-0.8 parts of lubricant and 0.5-0.9 parts of vitamin C. The lanthanum polystyrene sulfonate tablets prepared in this application can be dispersed in the oral cavity, and patients with chronic renal failure who have no chewing ability can swallow directly or take it with water, which is convenient for patients to take, so that the lanthanum polystyrene sulfonate micropowder can exert its medicinal effect.
Owner:QINGDAO RUNXINDE BIOMEDICINE CO LTD

Preparation method of composite water-soluble binder

The invention relates to the technical field of batteries, in particular to a preparation method of a composite water-soluble binder. The preparation method comprises the following steps: blending poly (3, 4-ethylenedioxythiophene) and poly (4-styrene sulfonate), and dissolving in deionized water to prepare a conductive polymer solution; the composite water-soluble binder is obtained by adding L-ascorbic acid and / or tannic acid into a conductive polymer solution. The composite water-soluble binder prepared by the invention can effectively improve the linear structure of a conductive polymer, form a stable three-dimensional conductive network and improve the binding performance, so that the composite water-soluble binder has a wide application prospect in the technical field of batteries.
Owner:YANGZHOU NANOPORE INNOVATIVE MATERIALS TECH LTD

A flexible high polymer material with glucose response, its preparation method and application in preparing biosensors

The application relates to the technical field of high polymer material preparation, and particularly discloses a flexible high polymer material with glucose response, a preparation method thereof and application of the flexible high polymer material in preparation of a biosensor. The preparation method of the flexible high polymer material with glucose response comprises the following steps: S1. reacting a prepolymer with a polyhydric alcohol to obtain a copolymer; S2. dissolving the copolymer with an organic solvent, then adding hydroxylated carbon nanotubes, poly(3,4-ethylenedioxythiophene) and polystyrene sulfonate, uniformly stirring, and then performing ultrasonic treatment; after the ultrasonic treatment is completed, the reaction product is poured into a mold, and the flexible high polymer material with glucose response is obtained after solidification. The flexible high polymer material with glucose response has good glucose, pH and temperature multi-response performance, and also has good mechanical properties.
Owner:JINAN UNIVERSITY