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32results about How to "Raise the isoelectric point" patented technology

Preparation method of efficient calcium-based sepiolite phosphorus adsorbent and application thereof

The invention relates to a preparation method of an efficient calcium-based sepiolite phosphorus adsorbent. The preparation method comprises the following steps of mechanically pulverizing natural calcium-enriched sepiolite ore into powder, drying the powder at constant temperature, and then directly heating and modifying the powder to obtain the calcium-based sepiolite phosphorus adsorbent. According to the preparation method provided by the invention, inertia calcium in the natural calcium-enriched sepiolite is activated through a heating and modification method, a part of active calcium enters into a sepiolite lattice system, and the alcium-based sepiolite adsorbent having high absorption capacity to phosphorus is generated by the original ore through recombination and reaction. The calcium-based sepiolite phosphorus adsorbent provided by the invention is used for eliminating phosphorus in polluted water or bottom sediment, and is capable of efficiently and rapidly eliminating phosphate in the water and efficiently translating labile phosphorus in the polluted bottom sediment into inert calcium phosphorus, thereby achieving the aim of controlling nutrition enrichment of lakes. The calcium-based sepiolite phosphorus adsorbent prepared by the preparation method has the advantages of wide raw material distribution, low cost, simple preparation process, obvious phosphorus fixation effect, and wide application prospect and use value.
Owner:NANJING INST OF GEOGRAPHY & LIMNOLOGY

Guided tissue regeneration membrane and preparation method thereof

The invention relates to a guided tissue regeneration membrane and a preparation method thereof. The method comprises: a pretreatment step, i.e. collecting a mammalian peritoneum, conducting flowing water washing, hair removal and preliminary degreasing for standby use; an antigen removal treatment step, i.e. carrying out further degreasing on the standby peritoneum by means of an enzyme treatment process, an alkali treatment process, an acid treatment process and a hypertonic treatment process, and removing immunogenicity; a collagen fiber contraction treatment step, i.e. carrying out dehydration, non-hydrophilic substance removal and washing treatment on the peritoneum subjected to the antigen removal treatment so as to contract the collagen fibers of the peritoneum; and a drying step, spreading the contracted peritoneum on a culture dish surface to make the compact layer of the peritoneum contact the culture dish, rapidly transferring the peritoneum into a refrigerator at a temperature ranging from -60 to -80DEG C to undergo pre-freezing for 1-8h, then freeze-drying the peritoneums in a freeze dryer for 24-36h, thus obtaining a collagen membrane able to guide tissue regeneration. The guided membrane provided by the invention has a compact layer and a loose layer, also has good biocompatibility, hydrophilicity and bone induction ability, and has a long in-vivo degradation time.
Owner:SHENZHEN LANDO BIOMATERIALS

Titanium dioxide for decorative paper and preparation method

The invention discloses titanium dioxide for decorative paper and a preparation method. The titanium dioxide comprises a titanium dioxide base material and a coating layer located on the surface of the titanium dioxide base material, and the coating layer sequentially comprises a titanium phosphate and aluminum phosphate mixed coating layer and a magnesium oxide and aluminum oxide mixed coating layer from the inside out. According to the titanium dioxide for decorative paper provided by the invention, a titanium phosphate and aluminum phosphate mixed film layer is coated on the surface of titanium dioxide, the hue of the titanium dioxide can be improved, the coating process of the titanium dioxide can be reduced, and the cost is reduced, and then an aluminum oxide and magnesium oxide mixedfilm layer is coated to improve the isoelectric point of the titanium dioxide, so that the titanium dioxide is positively charged in a papermaking system and can be better combined with negatively charged cellulose, the retention rate of the titanium dioxide in paper is improved, and then the covering power of the titanium dioxide is further improved. The invention further provides a preparationmethod of the titanium dioxide by taking the technical scheme as a starting point.
Owner:HENAN BILLIONS NEW MATERIAL CO LTD

Layered double-metal-based nano lanthanum material as well as preparation method and application thereof

The invention discloses a layered double-metal-based nano lanthanum adsorbing material as well as a preparation method and application thereof, and belongs to the field of environmental functional materials. The preparation method comprises the following steps: calcining prepared LDHs at a certain temperature to obtain LDOs, adding the LDOs into an alcoholic solution of lanthanum salt with a certain concentration, carrying out a stirring reaction, filtering out an obtained product, carrying out alcohol washing, drying, adding a precipitant, carrying out a precipitation reaction, filtering outa precipitation reaction product, carrying out washing with distilled water to a neutral state, and carrying out drying to obtain the LDHs-based nano lanthanum adsorption material. According to the invention, LDHs with excellent anion exchange capability are used as a carrier, and different from carrier bentonite (cation exchange clay), the higher isoelectric point (to 12.0) of LDHs enables the material to be more easily electrostatically attracted with PO4 so as to be beneficial to phosphorus removal.
Owner:NANJING UNIV

Light modified filtering material, preparation method and application of light modified filtering material

The invention provides a light modified filtering material, a preparation method and application of the light modified filtering material. The light modified filtering material is prepared from the following components in parts by weight: 75-100 parts of waste glass, 5-20 parts of a metal oxide modifier and 1-10 parts of a foaming agent. The light modified filtering material has the advantages oflight weight, large surface area, high isoelectric point, porosity, and the like, the isoelectric point of the filtering material is added and the service life of the filtering material is prolonged.According to the preparation method, the metal oxide is added for combining with SiO2 in the glass and forming Si-O-Me (Me metal ion) which enters a glass network so as to increase the degree of polymerization of the structure, so that the glass isoelectric point is added while the toughness and hardness of the glass are promoted, the service life of the foam glass filtering material is prolongedand the practicability and economical benefit are promoted.
Owner:吉林梅基特环保科技有限公司

High-effective defluorination purification method for drinking water

The invention discloses a purifying method of removing overproof fluorine of groundwater or surface water in drinking water disposal technical domain, which comprises the following steps: filling modified pure water into adsorb filtering column with grandular activated carbon; forming modified activated char filtrated layer; setting filtrated layer in electric field; leading raw water through this filtrated layer; defluorinationing; purifying. The density of water outlet fluorine <1.0mg / L and all the other index point reach national drinking water standard.
Owner:HARBIN INST OF TECH

Composite particle with coated core-shell structure as well as preparation method and application of composite particle

The invention discloses a composite particle with a coated core-shell structure as well as a preparation method and application of the composite particle. The composite particle with the coated core-shell structure comprises an inner core structure as well as a shell layer I, a shell layer II and a shell layer III sequentially coating the inner core structure; the inner core structure is made of titanium dioxide; the shell layer I is made of aluminum oxide; the shell layer II is made of poly(styrene-divinylbenzene); and the shell layer III is made of poly(methyl methacrylate). The composite particle with the coated core-shell structure is prepared by multi-step emulsion polymerization, and the self-assembly of the particle can be realized under the induction of an ultralow voltage. Due tocoating modification of organic and inorganic materials, the prepared composite particle has excellent electrical response properties and has a relatively good application prospect in the photoelectric field.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Fusion protein and method for preparing semeglutide intermediate polypeptide from fusion protein

The invention discloses a fusion protein and a method for preparing a semeglutide intermediate polypeptide from the fusion protein, and belongs to the technical field of gene engineering and polypeptide preparation. The fusion protein comprises a segment of fusion peptide, a protease restriction enzyme cutting site and a target main molecule sequence. By optimizing the sequence of the fusion peptide and changing the isoelectric point, hydrophilicity and other properties of the protein, the expression quantity of the fusion protein is effectively improved, and the highest expression quantity can reach 13.1 g / L; meanwhile, the character of the fusion protein is also improved, the development of subsequent extraction, enzyme digestion and purification processes is facilitated, and the amount of the intermediate polypeptide after enzyme digestion is 3.62 g / L. The production cost of the semeglutide intermediate polypeptide Arg34GLP-1 (9-37) is reduced from the source, and the method is beneficial to industrial amplification and suitable for industrial production.
Owner:NANJING HANXIN PHARMA TECH CO LTD

Aminated modified glycosyl aldehyde tanning agent and preparation method thereof

The invention discloses an amino modified glycosyl aldehyde tanning agent, which is prepared from the following raw materials in parts by weight: 100 parts of a glycosyl aldehyde tanning agent and 4-10 parts of an amino compound; according to the preparation method of the amino modified glycosyl aldehyde tanning agent, after first-step reaction is finished, direct filtration and separation can be carried out to respectively obtain the high-concentration glycosyl aldehyde tanning agent and an iodate precipitate, the preparation process is simplified, and the preparation cost of the amino modified glycosyl aldehyde tanning agent is obviously reduced.
Owner:四川亭江新材料股份有限公司 +1

Method for reducing selenite through liquid-phase catalytic hydrogenation

The invention discloses a method for reducing selenite through liquid-phase catalytic hydrogenation, which comprises the following steps: (A) preparation of a catalyst: taking a multi-walled carbon nanotube as a carrier, firstly loading noble metal Pt or Pd through an impregnation method, and then forming a polyaniline coating layer on the surface of the carrier through in-situ oxidative polymerization; roasting to obtain a supported noble metal catalyst with a nitrogen-doped carbon coating layer; and (B) Se (IV) liquid phase hydrogenation reduction: under the action of the catalyst prepared in the step (A), removing Se (IV) in the water body through liquid phase catalytic hydrogenation. The catalyst with a wrapping structure is applied to liquid-phase catalytic hydrogenation reduction to remove selenite in a water body, the catalyst has high activity, and meanwhile the technical problems of loss of active components, poisoning and the like of the catalyst are solved; and the catalyst is easy to synthesize and mild in reaction condition, and has a wide application prospect in the field of water treatment.
Owner:NANJING UNIV

Packaged noble metal catalyst for liquid-phase catalytic hydrogenation reduction of Cr (VI) under neutral condition and preparation method and application thereof

The invention discloses a packaged noble metal catalyst for liquid-phase catalytic hydrogenation reduction of Cr (VI) under a neutral condition and a preparation method of the packaged noble metal catalyst. The preparation method comprises the following steps: by taking mesoporous silica SBA-15 as a template, synchronously filling pores of SBA-15 with a carbon source aniline and a Pt source chloroplatinic acid, roasting, carbonizing and reducing noble metal platinum, carbonizing aniline to obtain a nitrogen-doped carbon skeleton, and removing the SBA-15 template to obtain the encapsulated noble metal catalyst. According to the catalyst, precious metal platinum is encapsulated in the nitrogen-doped ordered mesoporous carbon skeleton, the activity can be improved through nitrogen doping, small Pt particles and large-area catalytic active sites, the stability can be improved through an encapsulation type structure, and the catalyst has high activity and stability in Cr (VI) liquid-phase catalytic hydrogenation reduction reaction under the neutral condition.
Owner:NANJING UNIV

Preparation method of magnetic flocculant and application of magnetic flocculant in removal of microcystis aeruginosa

The invention relates to a preparation method of a magnetic flocculant and application of the magnetic flocculant in removal of microcystis aeruginosa, the magnetic flocculant is prepared by the steps of setting environment temperature, regulating and controlling a Fe < 2 + > / Fe < 3 + > mixed solution, magnetically stirring and homogenizing and the like, and the magnetic flocculant is used for flocculation and magnetic separation of the microcystis aeruginosa. The magnetic flocculant is easy to prepare, high in flocculation efficiency and reusable, and can efficiently remove microcystis aeruginosa in water within 5 minutes.
Owner:GUIZHOU ACADEMY OF TESTING & ANALYSIS

Nitrogen-doped carbon-coated noble metal liquid phase hydrogenation catalyst, and preparation method and application thereof

The invention discloses a nitrogen-doped carbon-coated noble metal liquid phase hydrogenation catalyst, and a preparation method and application thereof. The preparation method is implemented according to the following steps: (1) carrying out acid pickling on an activated carbon material; (2) adding the activated carbon material into a pre-prepared noble metal precursor solution for dipping treatment; (3) performing hydrogen reduction to obtain a noble metal catalyst; (4) carrying out carbon coating on the noble metal catalyst obtained in the step (3); and (5) roasting in an inert atmosphere to obtain the nitrogen-doped carbon-coated noble metal liquid phase hydrogenation catalyst. The invention provides the application of the nitrogen-doped carbon-coated noble metal liquid phase hydrogenation catalyst in synthesis of aniline from nitrobenzene, synthesis of CLT acid from 2-nitro-4-methyl-5-chlorobenzenesulfonic acid through reduction and synthesis of p-aminobenzene sulfonic acid from p-nitrobenzenesulfonic acid through reduction, and the catalyst has high conversion rate, high selectivity and high stability.
Owner:ZHEJIANG UNIV OF TECH

Chrome-free tanning process for ecological fur

ActiveCN114410853AWill not be untannedGood dispersionTanning treatmentSulfonateFiber
The invention discloses a chrome-free tanning process for ecological furs. The chrome-free tanning process is characterized in that a'TWS + sodium lignin sulfonate + TWLZ 'ternary combined tanning process system is adopted. Sodium lignin sulfonate has a fixing effect on the TWS tanning agent, so that the TWS tanning agent cannot be subjected to detanning under a low pH condition, and the dispersion effect of the TWS tanning agent on collagenous fibers is enhanced, so that the TWLZ tanning agent can more uniformly permeate and be stably combined in a leather plate, and the defects of low isoelectric point and poor fullness of tanned furs of an existing TWS tanning system are effectively overcome; the fur which is full and uniform in tanning, high in isoelectric point and good in fullness is obtained, the application range of the chromium-free ecological fur is greatly widened, and development of the chromium-free tanning technology of the ecological fur is promoted.
Owner:SICHUAN UNIV

Preparation method of double-protein co-emulsified Pickering emulsion

InactiveCN111772171AExcellent anti-aggregationGood surface active propertiesVegetable proteins working-upAnimal proteins working-upBiotechnologyBiological macromolecule
The invention discloses a preparation method of a double-protein co-emulsified Pickering emulsion, and belongs to the technical field of food processing. The food-grade Pickering emulsion is preparedfrom soybean protein isolate nanoparticles and lactoferrin nanoparticles, so that the food-grade Pickering emulsion is more stable in the day and has excellent anti-aggregation stability. The preparation method provided by the invention is of great significance to design and manufacture of a formula of the protein-stabilized Pickering emulsion and even development of soybean protein products withcertain unique functions. In addition, 7s and 11s proteins in the soybean protein used in the method have good surface activity characteristics, so that the Pickering emulsion prepared by the method has good stability. The bovine lactoferrin is high in isoelectric point and is positively charged under a neutral condition, so that the bovine lactoferrin can interact with other biological macromolecules to improve the stability of the Pickering emulsion.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

A kind of positively charged nanometer yttrium oxide and preparation method thereof

ActiveCN105858708BRaise the isoelectric pointHigh-temperature thermal decomposition to obtain a strong isoelectric pointRare earth metal oxides/hydroxidesNanotechnologyZeta potentialSolubility
The invention discloses positively charged nano yttrium oxide and a preparation method thereof. The isoelectric point of nano Y2O3 with positive charges on the surface is 8-10, the Zeta potential of the surface is 20-30mV when the pH is 7, and the average size of the nano Y2O3 particles is 20-80nm. In the invention, an alcohol-water mixture is used as a reaction solvent, homogeneous nucleation of a yttrium-containing precursor is promoted by use of the solubility difference of the reactant in two solvents, and nano Y2O3 with relatively strong electropositivity and relatively high isoelectric point is obtained through high-temperature thermal decomposition. The method comprises the following specific steps: preparing an alcohol-water mixture according to a certain ratio as a solvent; separately adding a yttrium-containing compound and a precipitator; heating for reacting for homogeneous nucleation to obtain a yttrium-containing precursor; filtering the yttrium-containing precursor, washing and drying; and performing high-temperature thermal decomposition under the protection of a nitrogen atmosphere in a tube furnace to obtain surface positively-charged nano Y2O3. The invention is simple in technology, low in cost and suitable for industrial production.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA

An anti-human PD-1 monoclonal antibody preparation, combined drug and use thereof

The present invention relates to a pharmaceutical preparation of a stable anti-human PD‑1 antibody, a combined drug and its application. The pharmaceutical preparation contains an anti-human PD‑1 monoclonal antibody, a stabilizer, a buffer and a surfactant. The pharmaceutical preparation of the anti-human PD‑1 antibody of the present invention can effectively inhibit the aggregation and deamidation of the antibody, thereby preventing the degradation of the antibody protein and obtaining a stable pharmaceutical preparation. The combined drug of the present invention is the combined use of the pharmaceutical preparation of the anti-human PD-1 antibody and other additional therapeutic agents, and the use of the pharmaceutical preparation or the combined drug in the preparation of anti-tumor drugs.
Owner:SHANGHAI QILU PHARM RES & DEV CENT LTD

Tissue regeneration guiding membrane and preparation method thereof

The invention relates to a guided tissue regeneration membrane and a preparation method thereof. The method comprises: a pretreatment step, i.e. collecting a mammalian peritoneum, conducting flowing water washing, hair removal and preliminary degreasing for standby use; an antigen removal treatment step, i.e. carrying out further degreasing on the standby peritoneum by means of an enzyme treatment process, an alkali treatment process, an acid treatment process and a hypertonic treatment process, and removing immunogenicity; a collagen fiber contraction treatment step, i.e. carrying out dehydration, non-hydrophilic substance removal and washing treatment on the peritoneum subjected to the antigen removal treatment so as to contract the collagen fibers of the peritoneum; and a drying step, spreading the contracted peritoneum on a culture dish surface to make the compact layer of the peritoneum contact the culture dish, rapidly transferring the peritoneum into a refrigerator at a temperature ranging from -60 to -80DEG C to undergo pre-freezing for 1-8h, then freeze-drying the peritoneums in a freeze dryer for 24-36h, thus obtaining a collagen membrane able to guide tissue regeneration. The guided membrane provided by the invention has a compact layer and a loose layer, also has good biocompatibility, hydrophilicity and bone induction ability, and has a long in-vivo degradation time.
Owner:SHENZHEN LANDO BIOMATERIALS

Preparation method of diatomite sludge high-efficiency adsorption dephosphorization filter material

The intention relates to a preparation method of a diatomite sludge high-efficiency adsorption dephosphorization filter material. The method comprises the following steps: preparing first diatomite sludge from diatomite; mixing the first diatomite sludge with a sodium hydroxide solution to obtain second diatomite sludge; and washing the second diatomite sludge, drying, and crushing to obtain the filter material.
Owner:HARBIN UNIV OF SCI & TECH

Chrome-free tanning process for ecological leather

The invention belongs to the technical field of leather processing, and discloses an ecological leather chrome-free tanning process which is characterized in that a'TWS + sodium lignin sulfonate + TWLZ 'ternary tanning process system is adopted. By adding the sodium lignin sulfonate, a fixing effect is formed on the TWS tanning agent, so that the TWS tanning leather cannot be subjected to detanning under the condition of low pH, the distribution uniformity of the TWLZ tanning agent in the leather can be remarkably improved, the TWLZ tanning agent is promoted to form a stable cross-linked network structure in leather collagenous fibers, the defects of the tanning performance of an existing tanning system are effectively overcome, and the tanning performance of the tanning system is improved. And the leather which is uniform and sufficient in tanning, high in isoelectric point, strong in positive electricity, good in dyeing and finishing material absorption and soft in leather body is obtained, and the leather is endowed with wider application range and better quality.
Owner:SICHUAN UNIV

Hydrophobic decorative base paper and preparation method thereof

The invention provides hydrophobic decorative base paper and a preparation method thereof, and belongs to the field of decorative paper, and the hydrophobic decorative base paper is prepared by using softwood pulp and hardwood pulp as main materials, using straw pulp and hemp pulp to replace a small part of wood pulp, and using chitosan and titanium dioxide as fillers. The hydrophobic decorative base paper is prepared through the procedures of repulping, pulping, pulp mixing, net part forming, squeezing, drying, surface sizing, secondary drying, calendaring, reeling, slitting, inspecting and warehousing, and the obtained hydrophobic decorative base paper is few in flaws, high in opaqueness, good in absorption performance, excellent in tensile strength, antibacterial and mildew-proof.
Owner:ZHEJIANG GRANDRICH PAPER

Silicone oil-free shampoo composition with softening and repairing effects as well as preparation method and application thereof

The invention belongs to the field of cosmetics, and particularly relates to a silicone oil-free shampoo composition with softening and repairing effects as well as a preparation method and application thereof. The silicone oil-free shampoo composition is prepared from the following components in parts by mass: 0.1-0.5 part of acrylamide propyl trimethyl ammonium chloride / acrylamide copolymer, 0.1-0.5 part of polyquaternium-10, 1-5 parts of PEG-75 shea butter glyceride, 1-5 parts of keratin and hydrolyzed keratin, and 0.5-2 parts of myristyl amide propane dimethyl ammonium chloride phosphate.According to the invention, the cationic surfactant is used to drive more polymers / oil flocculants to be adsorbed to damaged parts of hair, meanwhile, protein is tightly combined with the polyquaternium substance, the attachment strength of the protein on the hair is improved, so that as many beneficial components as possible are attached to the hair, and then the purpose of wetting, softening andbrightening the hair is achieved.
Owner:TIANJIN YU MEI JING GRP

Positively charged nano yttrium oxide and preparation method thereof

ActiveCN105858708ARaise the isoelectric pointHigh-temperature thermal decomposition to obtain a strong isoelectric pointRare earth metal oxides/hydroxidesNanotechnologySolventTube furnace
The invention discloses positively charged nano yttrium oxide and a preparation method thereof. The isoelectric point of nano Y2O3 with positive charges on the surface is 8-10, the Zeta potential of the surface is 20-30mV when the pH is 7, and the average size of the nano Y2O3 particles is 20-80nm. In the invention, an alcohol-water mixture is used as a reaction solvent, homogeneous nucleation of a yttrium-containing precursor is promoted by use of the solubility difference of the reactant in two solvents, and nano Y2O3 with relatively strong electropositivity and relatively high isoelectric point is obtained through high-temperature thermal decomposition. The method comprises the following specific steps: preparing an alcohol-water mixture according to a certain ratio as a solvent; separately adding a yttrium-containing compound and a precipitator; heating for reacting for homogeneous nucleation to obtain a yttrium-containing precursor; filtering the yttrium-containing precursor, washing and drying; and performing high-temperature thermal decomposition under the protection of a nitrogen atmosphere in a tube furnace to obtain surface positively-charged nano Y2O3. The invention is simple in technology, low in cost and suitable for industrial production.
Owner:SANITARY EQUIP INST ACAD OF MILITARY MEDICAL SCI PLA

A preparation method of titanium-doped birnessite for efficient treatment of antimony wastewater

The invention discloses a preparation method of titanium-doped birnessite capable of being used to efficiently treat antimony wastewater, and belongs to the technical direction of water treatment adsorption in the field of environmental protection. The method comprises the following specific steps: 1) placing a potassium permanganate solution into a conical flask, and carrying out stirring and heating to boiling by using an oil bath on a constant-temperature magnetic heating stirrer; 2) dropwise adding a mixed solution of hydrochloric acid and a certain amount of titanium sulfate by using a constant-flow pump; 3) continuing reacting for 30min after the dropwise addition is finished; 4) aging the product at 60-80 DEG C; and 5) washing and drying the aged mineral. The material prepared by the method has a high isoelectric point and a large specific surface area, and shows excellent performance of oxidizing and adsorbing Sb (V) and Sb (III), wherein the maximum adsorption amounts can reach 560 mg / g and 473 mg / g respectively. The method disclosed by the invention is simple and reliable, has low cost, and can be used for treating high-concentration mine wastewater or events that a waterbody is suddenly polluted by heavy metals.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI

A high-temperature-resistant ferroelectric polymer-based dielectric energy storage composite film and its preparation method and application

The present invention proposes a high-temperature-resistant ferroelectric polymer-based dielectric energy storage composite film and its preparation method and application. Aiming at the easy seepage effect of SiC whiskers, the present invention prepares SiC@BaTiO by hydrolysis and hydrothermal method 3 The core-shell composite filler fully covers the SiC nanoparticles, which inhibits the formation of seepage channels; the high thermal conductivity of SiC (114W / m.K) enhances the thermal conductivity of the composite film and improves the thermal stability of the composite film; high dielectric Constant BaTiO 3 The interface polarization effect of the shell and core-shell particles enhances the dielectric constant of the composite film; at the same time, the core-shell filler with insulating properties and the surface modification of the core-shell filler promote the compatibility between the filler and the organic-inorganic interface of the substrate, maintaining The lower dielectric loss is achieved; finally, the composite film has higher energy storage density and breakdown strength under the test condition of 120 °C, and the working temperature range of the ferroelectric polymer is improved.
Owner:WUHAN UNIV OF TECH
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