53 results about "Acid radical" patented technology

The invention discloses a method for synthesizing a dichloroacetyl compound, which comprises the following steps: tetrachloroethylene and an acid are subjected to an addition reaction at 100-200 DEG C to obtain an adduct, then the adduct is subjected to an acidolysis, hydrolysis or alcoholysis reaction to obtain the dichloroacetyl compound, the acid for the addition reaction is at least one of sulfuric acid, trifluoromethanesulfonic acid, methanesulfonic acid and phosphoric acid, and the acid for the alcoholysis reaction is at least one of sulfuric acid, trifluoromethanesulfonic acid, methanesulfonic acid and phosphoric acid. The molar ratio of the tetrachloroethylene to the acid is 1: (1-10). By controlling the types of acids and increasing the temperature of the addition reaction, the addition reaction of tetrachloroethylene and acids in the absence of a catalyst is realized. Double bonds of tetrachloroethylene and hydrogen protons are subjected to an addition reaction in a strong acid environment to form a cationic intermediate, then the cationic intermediate is combined with acid radical anions to form an adduct, and the adduct intermediate is high in activity, unstable and free of separation and can be directly subjected to a hydrolysis reaction, an acidolysis reaction or an alcoholysis reaction with another substrate (such as water, acid or alcohol) respectively. The synthesis of dichloroacetyl series compounds is realized, and the route has universality and diversity.

The invention relates to the technical field of oral biological materials, in particular to a self-adaptive anti-caries coating as well as a preparation method and application thereof. The coating is prepared from random and block polymers, and is specifically prepared by polymerizing acid radical-containing functional monomers, phenylboronic acid and derivatives thereof. Construction of the coating depends on specific coordination of a functional group and Ca < 2 + > in enamel, and stable anchoring on the tooth surface is achieved. The core action mechanism is to introduce phenylboronic acid groups to endow the coating with pH sensitive characteristics: in a cariogenic acid environment, biofilm formation is synergistically inhibited through a plurality of mechanisms such as physical barrier, electrostatic repulsion and inhibition of mucoprotein-mediated adhesion. According to the application, the Ca < 2 + > anchoring monomer, phenylboronic acid and the derivative thereof are copolymerized, design is carried out aiming at two key links of protein adsorption and bacterial adhesion, multi-mechanism synergy and environment dynamic response are integrated, and an integrated anti-caries effect from early intervention to long-term protection is realized.

The invention provides a photosensitive resin composition containing an acridine methylene quaternary ammonium salt photosensitizer and application of the photosensitive resin composition, quaternary ammonium group substituted methylene is introduced to the ninth position of a structural main body acridine ring of the photosensitizer, and acid radical or halogen is adopted as equilibrium anion. According to the photosensitizer, a quaternary ammonium salt group is introduced to the 9 site of an acridine ring, so that the problems that a traditional 9-phenylacridine photosensitizer is poor in compatibility, prone to crystallization and precipitation, insufficient in water solubility, weak in antistatic performance and the like in a formula are effectively solved. The photosensitive resin composition disclosed by the invention shows excellent dispersion stability, high sensitivity and high resolution, and can be used for remarkably reducing precipitates in a developing process and reducing poor lamination caused by static accumulation. The photosensitive dry film prepared based on the composition is suitable for fine pattern manufacturing in the fields of dry films, paints, coatings, printing ink, forming materials and the like, and has high yield and production efficiency.

This invention relates to a highly efficient scale inhibitor and its preparation method, belonging to the field of water treatment agent technology. The invention synthesizes a branched dehydroabimethamine compound with a branched structure, and utilizes the Michael addition reaction between the secondary amine group and the double bond of the branched dehydroabimethamine compound to graft sulfonic acid and phosphonic acid groups onto the compound, obtaining a scale inhibitor with a dehydroabimethamine structure, a branched structure, sulfonic acid groups, and phosphonic acid groups. The sulfonic acid and phosphonic acid groups in the scale inhibitor have a strong chelating effect with metal ions such as calcium, iron, and magnesium, thereby disrupting scale growth. The sterically hindered dehydroabimethamine structure and branched structure in the scale inhibitor, after adsorbing onto the surface of scale-forming microcrystals in water, form physical spatial barriers between scale particles, thus preventing the microcrystals from approaching and aggregating, thereby preventing them from forming large scale deposits.

The embodiment of the present application provides an electrolyte, a secondary battery and an electric device, wherein the electrolyte provided by the embodiment of the present application comprises a sodium salt, an organic solvent and an additive, the additive at least simultaneously comprises a B-O bond, a C=C bond and a C=O bond, wherein B in the B-O bond is in an electron-deficient state, so that the additive is acidic, can complex with an acid radical ion of the sodium salt, thereby improving the dissociation degree of the sodium salt and the migration number of sodium ions, and reducing the bulk phase and electrode interface impedance; and the C=C bond and the C=O bond in the additive can effectively reduce the deposition of transition metals such as Mn of the negative electrode, reduce the impedance, can form a highly stable electrode-electrolyte interface structure, can stabilize the positive and negative electrode interface film, and improve the high-temperature storage and cycle performance of the battery, thereby solving the problems that the electrode / electrolyte interface of the existing sodium ion battery is unstable, and is easy to cause the battery to deform and the performance to decay.

A positive photosensitive resin composition for a low-temperature process includes an alkali-soluble phenolic resin, a compound with quinonediazide group, a mixed solvent and at least one additive. The mixed solvent includes a first solvent and a second solvent. The first solvent has a volatilization rate of more than 50 relative to a volatilization rate of butyl acetate of 100, and the second solvent has a boiling point between 150° C. and 200° C. The at least one additive has a molecular weight of 500-5000 and a structural unit as Formula (I), wherein R1 is selected from a group consisting of hydrogen, hydroxyl group, C1-C5 alkyl group, phenyl group, halogen atoms and cyano group, R2 is selected from a group consisting of hydrogen, acid radical, benzene and derivatives thereof, phenols, benzoic acid and derivatives thereof and aromatic heterocycles, and n is 10-80. It is also provided a method for preparing a photoresist film

The application provides a photosensitive resin composition containing an anthracene methyl quaternary ammonium salt photosensitizer and application thereof, the photosensitizer has a quaternary ammonium group substituted methylene introduced at 10 and / or 9 positions of the anthracene ring, and an acid radical or halogen is used as a counter anion; compared with a commercially available anthracene photosensitizer, the photosensitizer has excellent fat solubility and good water solubility by introducing the quaternary ammonium salt on the premise of retaining photobleaching, brings great potential for formula design of the photosensitive composition, and can greatly reduce developing waste in a later developing process; and can be widely applied in the fields of dry films, paints, coatings, inks and molding materials and the like.

The invention discloses a light flame-retardant nano cellulose film as well as a preparation method and application thereof, and belongs to the technical field of lithium ion batteries. The method comprises the following steps: mixing nanocellulose with a flame-retardant element source containing acid radicals, and carrying out hydrogen bond bonding and electrostatic interaction to obtain nanocellulose dispersion liquid rich in flame-retardant acid radicals; an oxidizing agent and a polymer monomer are added into the nanocellulose dispersion liquid rich in flame-retardant acid radicals for a polymerization reaction, and the nanocellulose film is obtained through suction filtration and film forming. The flame-retardant elements in the film are uniformly dispersed in the three-dimensional network structure in a chemical bonding manner, so that the thermal stability and the body flame retardance of the cellulose material can be improved, and the ionic conduction capability of the film can be improved by utilizing the porous structure of the nano cellulose material; when the material is applied to a lithium ion battery as a diaphragm material, the capacity and the rate capability of the battery can be improved, and the safety and the cycling stability of the battery can be remarkably improved.

The invention provides a sulfonate photoacid generator and a preparation method and application thereof.The sulfonate photoacid generator has the structure shown in the general formula (I), the photoacid generator does not contain fluorine, the acidity of sulfonic acid generated through photolysis of the photoacid generator is not weaker than that of traditional fluorine-containing photoacid, and the problems that according to an existing sulfonate photoacid generator, acid radicals contain fluorine, and the acid radicals are not prone to being damaged are solved. The sulfonate photoacid generator does not contain the problem of weak acidity of fluorine acid radicals, and can improve the photosensitivity and resolution of the photosensitive composition.

This invention relates to a titanium cyanide quaternary ammonium salt compound, its preparation method, and its application. The titanium cyanide quaternary ammonium salt compound is the compound shown in the formula. The method for preparing the compound shown in the formula includes (1) preparing pyridine phthalocyanine from o-pyridine dinitrile as a starting material, and (2) quaternizing the pyridine phthalocyanine with the corresponding halogenated product to obtain the target compound. Adding the compound shown in the formula during the pigmentation process of zinc halide phthalocyanine crude pigment can not only improve the brightness and contrast of the zinc halide phthalocyanine pigment, but also enhance its dispersibility and storage stability. In the formula, R1~R4 are independently selected from C1~C4. 10 Alkyl groups, fluorine-containing C1~C 10 Alkyl groups, or C1-C groups substituted with 5-6 aryl groups. 10 One of the alkyl groups; X is an acid radical anion with balanced charge.

The invention discloses an aluminum-based porous adsorption material for capturing CO2 and a preparation method of the aluminum-based porous adsorption material. The material is prepared by taking an industrial-grade aluminum source and formate as core components and an acid radical assistant as auxiliary materials through step-by-step coordination assembly of premixing the aluminum source and the formate and then adding the assistant, and other metal elements are not introduced. According to the invention, the generation of large grains is inhibited through coordination competition of an acid radical auxiliary agent, a hydrogen confinement pore cavity (3.8) is constructed, the engineering CO2 dynamic adsorption capacity is up to 48.8 cm / g, the CO2 / N2 dynamic selectivity is up to 12.8, the single-tower carbon capture energy consumption is low, the material performance is superior to that of commercially available silica gel and similar commercial MOF materials, and the bottlenecks of poor mass transfer, high cost and slow rate of the traditional material are effectively broken through. The adsorbent is adaptive to CO2 / N2 and CO2 / low-carbon hydrocarbon mixed systems, can be applied to industrial scenes such as flue gas decarburization and natural gas upgrading, and has the advantages of cheap raw materials, simple process and remarkable application potential.

The application discloses an iron electrode coupled anaerobic granular sludge membrane bioreactor, which comprises a reactor body, a granular sludge bed and a clarified liquid are sequentially arranged in the reactor body from bottom to top, an iron negative electrode and a metal mesh positive electrode are oppositely arranged in the clarified liquid, and a water outlet pipe is communicated with the side wall of the reactor body corresponding to the clarified liquid. 2+ , Fe 2+ has a strong flocculation effect, reduces the content of suspended sludge in the clarified liquid, the released divalent iron can connect various anions such as hydroxyl, acid radical, sulfate radical and phosphate radical ion to form large flocculation sludge, reduces soluble protein and polysaccharide and is converted into solidified extracellular polymer, reduces pore size blockage and reduces the formation of high-strength attached sludge cake layer, and therefore irreversible membrane pollution is reduced.

The invention relates to the technical field of battery electrolytes, and discloses a negative electrode electrolyte, a vanadium-zinc flow battery and a preparation method of the vanadium-zinc flow battery, and the negative electrode electrolyte comprises a vanadium source, a zinc source, co-deposition metal ions, acid radical ions, hydrogen ions and an aqueous solution containing an additive; the codeposition metal ions comprise at least one of In < 3 + >, Sn < 2 + >, Al < 3 + > and Bi < 3 + >; and the concentration of the codeposition metal ions in the negative electrode electrolyte is 0.01-0.5 mol / L. According to the invention, co-deposition metal ions (such as Sn < 2 + > and In < 3 + >) in a specific concentration range are introduced, so that the co-deposition metal ions and zinc are subjected to alloying co-deposition during charging, zinc ions are actively guided from thermodynamic and dynamic levels to form a compact and flat deposition layer instead of randomly grown dendritic crystals, and the performance of the material is improved. The problem of rapid capacity attenuation of the vanadium-zinc flow battery in long-term circulation is effectively solved, and the stability and capacity retention rate of long-term operation of the battery are guaranteed.

The invention discloses an HY catching agent as well as a preparation method and application thereof, and belongs to the technical field of acid waste liquid regeneration. The HY trapping agent comprises the following components in percentage by mass: 0.08%-2.00% of a pH buffer agent, 5.0%-12.0% of an adsorbent, 0.01%-0.08% of an ionic strength regulator, 0.03%-0.10% of an acid radical supplement, 0.01%-0.03% of a chelating agent, 0.05%-0.2% of sulfamate and a proper amount of deionized water. The heavy metal removal rate is larger than or equal to 99%, the acid radical retention rate is larger than or equal to 95%, and the treatment cost is reduced.

The present application relates to the field of vanadium battery, and discloses a method for directly preparing vanadium battery electrolyte from vanadium solution without organic participation, comprising: adjusting the pH of the vanadium solution to 2-3, and adding inorganic reducing agent to convert V(V) in the vanadium solution into V(IV), to obtain pretreated vanadium solution; separating Fe impurities and Al impurities in the pretreated vanadium solution in the form of precipitation, and adsorbing Ti impurities in the pretreated vanadium solution by adsorbent, to obtain impurity-removed vanadium solution containing V(IV); performing electrodialysis treatment on the impurity-removed vanadium solution to concentrate the solution and remove alkali metal impurities in the solution, to obtain post-electrodialysis solution; performing electrolysis and blending on the post-electrodialysis solution, to obtain electrolyte with predetermined acid radical concentration and predetermined vanadium concentration, and V(III) / V(IV)=1:(0.95-1.05). The present application can shorten the process flow and avoid environmental pollution caused by the use of organic matter on the basis of ensuring the performance of the electrolyte.

The application discloses a kind of fire-resistant hydraulic fluid and preparation method thereof, the mass percentage of each raw material component of the hydraulic fluid is as follows: ethylene glycol 42-45%, extreme pressure lubricant 0.15-2%, extreme pressure antiwear agent 0.2-3%, antioxidant 0.1-2%, metal passivator 0.05-0.1%, defoaming agent 0.005-0.01%, tackifier 8-12%, and the balance is deionized water;Among them, the extreme pressure lubricant is triazine derivative, the triazine derivative is 6-ethyl sulfonamide acid group-2,4-bis (sodium sulfonate group) -1,3,5-triazine;The extreme pressure antiwear agent is the ionic liquid of 1-acetic acid ethyl ester group-3-methyl imidazole lactic acid salt.The application is compounded by extreme pressure antiwear agent, extreme pressure lubricant, antioxidant, defoaming agent, tackifier and ethylene glycol, deionized water, to form fire-resistant hydraulic fluid with excellent wear resistance, lubricity, antifoaming property, antioxidant property and oxidation stability, when high heat or open flame is generated in the friction process of the hydraulic fluid, deionized water is evaporated to isolate air, and excellent fire-retardant effect is achieved.

The invention relates to a two-dimensional chalcogenide nanocrystalline film, an M source growth substrate, a preparation method and application. And the domain size of the two-dimensional chalcogenide nanocrystalline film is less than or equal to 70nm. The preparation method comprises the following steps: selecting ammonium salt of M acid radical as an M source, and preparing an M source solution; coating an aluminum oxide substrate with the M source solution, and heating to obtain an M source precursor; and placing the M source precursor in an inert atmosphere, raising the temperature to a growth temperature, introducing an X-carrying gas source, and maintaining the growth temperature to grow the two-dimensional chalcogenide nanocrystalline film. The crystal domain of the two-dimensional chalcogenide nanocrystalline film can be controlled below 70nm, so that the two-dimensional chalcogenide nanocrystalline film becomes an ideal carrier for constructing a high-safety physical unclonable function; the preparation method of the two-dimensional chalcogenide nanocrystalline thin film comprises the following steps: firstly, obtaining a MOy nanocluster thin film anchored by a local interface, and carrying out reverse epitaxial vulcanization on an MXn two-dimensional chalcogenide nanocrystalline thin film prepared by taking the MOy nanocluster thin film as a precursor to obtain the two-dimensional chalcogenide nanocrystalline thin film of which the crystal domain size is less than or equal to 70nm.

This invention discloses an anionic energetic complex based on AMPTTz, its preparation method, and its application. AMPTTz is 3-amino-6-(3,5-dimethylpyrazol-1-yl)-1,2,4-triazol[4,3-b]-[1,2,4,5]tetraazine. The general structural formula of the anionic energetic complex based on AMPTTz is [X m (AMPTTz) p Y t (H2O) q ] n In the formula ·zH₂O, X is a metal cation, and Y is an acid radical anion; the values ​​of m range from 1 to 2, p from 1 to 6, t from 1 to 5, q from 0 to 2, and z from 0 to 3. The AMPTTz-based anionic energetic complex prepared in this invention exhibits a detonation response upon laser irradiation, demonstrating good safety and detonation performance. It can be used as a laser-initiated explosive or as a component of explosives and propellants, showing promising application prospects in the field of high-energy insensitive energetic materials. Furthermore, the AMPTTz-based anionic energetic complex prepared in this invention can also serve as a combustion catalyst for modified double-base propellants, significantly improving the combustion rate and reducing the platform pressure index.

The application discloses a kind of full solid waste geopolymer cementitious materials based on limestone and its preparation method and application, the raw material of the cementitious material includes first solid waste material, second solid waste material, alkali activator and modifier, modifier includes grinding aid, complexing agent and metal salt, the acid radical of metal salt is sulphate and / or nitrate;Wherein: first solid waste material includes limestone, second solid waste material includes at least contains Si-O-Al bond solid waste;When preparing, grinding aid is mixed with solid waste material and is mixed uniformly with remaining raw materials, and can be;Practice shows that the novel cementitious material of the application not only can effectively promote the dissolution of calcium carbonate and the fracture of Si-O-Al bond in solid waste component, form stable gel network, significantly improve the strength loss problem usually appeared after limestone (powder) incorporation, but also can realize the utilization of higher content limestone, be conducive to realizing the full solid waste utilization of raw material, also have the characteristics such as green low carbon in preparation process.

The invention provides a system and a method for treating flue gas by an electrolytic method. The system comprises electrolysis equipment, a flue gas pollutant absorption chamber, an anode gas-liquid separation chamber and a cathode gas-liquid separation chamber, the electrolysis equipment is provided with an electrolysis chamber and a bipolar membrane and is used for electrolyzing electrolyte water into H < + > and OH <-> on the surface of the bipolar membrane; the flue gas pollutant absorption chamber is used for absorbing acid gas in flue gas to obtain an electrolyte containing acid radical anions and purified flue gas; the acid radical anions and H < + > are subjected to a reduction reaction in the cathode chamber, and a cathode electrolysis product is obtained; oH <-> is subjected to an oxidation reaction in the anode chamber to obtain an anode electrolysis product; the anode gas-liquid separation chamber is used for separating an anode electrolysis product into O2 and an anode electrolyte; and the cathode gas-liquid separation chamber is used for separating a cathode electrolysis product into a mixed gas containing CO, NH3 and H2 and a cathode electrolyte. The system can realize continuous absorption and conversion utilization of CO2 and NO2 in flue gas.

The invention belongs to the technical field of aqueous batteries, and particularly relates to an acidic aqueous zinc ion battery electrolyte and a battery. The acidic aqueous zinc ion battery electrolyte comprises zinc ions, acid radical ions and 4-nitrophenylethylamine hydrobromide. According to the acidic aqueous zinc ion battery electrolyte, 4-nitrophenylethylamine hydrobromide is used as a cathode active material, and a nitro group of the 4-nitrophenylethylamine hydrobromide is used as an electron accepting center, so that a multi-electron transfer reaction is promoted; the protonated ethylamine partially improves the water solubility, and inhibits molecular aggregation and stabilizes the reduction state (-NHOH) through electrostatic repulsion. Experimental results show that under different hydrochloric acid concentrations (0.3 M to 1M), the coulombic efficiency of the battery under the current density of 20mA / cm < 2 > is maintained at 100%, and the voltage efficiency is improved along with the increase of the hydrochloric acid concentration.

This invention discloses a closed-loop, multi-stage washing production line and process for alumina powder pickling, belonging to the field of alumina powder production technology. The production line includes a fine powder pickling unit, a coarse powder pickling unit, and a cleaning unit. The coarse powder pickling unit includes a No. 1 coarse powder mixing tank, a No. 2 coarse powder mixing tank, an acid dosing device, a No. 1 coarse powder mixing tank outlet pump, a No. 1 coarse powder mixing tank circulation pump, a No. 2 coarse powder mixing tank outlet pump, and a No. 3 coarse powder mixing tank circulation pump. By adopting a multi-stage continuous washing structure, this invention allows the mixed liquid of fresh washing water and acid solution to contact the alumina powder containing impurities, which can quickly dissolve and remove the metal impurity ions (Fe3+, Al3+, Ca2+) in the powder particles. In the subsequent stage, fresh washing water is used in a multi-stage continuous manner to gradually dilute and remove the acid radical ions in the gaps between powder particles and within agglomerates. This solves the problems of insufficient mass transfer driving force and incomplete washing in the intermittent washing of the prior art.

This invention discloses a closed-loop, multi-stage washing production line and process for silicon nitride powder, belonging to the field of silicon nitride powder production technology. The production line includes an acid washing unit, an acid recovery unit, a turbid water treatment unit, a multi-stage water washing unit, and a concentrated liquid treatment unit. By adopting a multi-stage continuous washing structure, this invention allows the mixed liquid of fresh washing water and acid to come into contact with the silicon nitride powder containing impurities, which can quickly dissolve and remove the metal impurity ions (Fe3+, Al3+, Ca2+) in the powder particles. In the subsequent stage, fresh washing water is used in a multi-stage continuous manner to gradually dilute and remove the acid radical ions (Cl-, SO42-, F-) in the gaps between powder particles and within agglomerates. This solves the problems of insufficient mass transfer driving force and incomplete washing in the intermittent washing of the prior art.

The embodiment of the present application discloses a multimetallic sulfide electrocatalyst, a preparation method and application. The preparation method comprises the following steps: S1, a solution containing a first transition metal salt and a second transition metal salt is mixed with an organic ligand solution to obtain a first mixed solution; wherein the first transition metal salt and the second transition metal salt are XY with the same acid radical ion and different cations, X is Co, Fe, Ni, Mn, Zn or Cu, and Y is NO3 2‑ , Cl ‑ or SO4 2‑ ; a foam nickel is immersed in the first mixed solution to react to obtain a bimetallic MOF; S2, the bimetallic MOF is immersed in a second mixed solution to carry out a double excessive metal ion doping / replacement reaction, and a multimetallic hydroxide nanostructure is grown on the bimetallic MOF; wherein the second mixed solution contains a third transition metal salt and a fourth transition metal salt different from the first transition metal salt and the second transition metal salt; S3, the multimetallic hydroxide nanostructure is sulfur-doped to obtain a nitrogen-doped carbon loaded multimetallic sulfide electrocatalyst.

The invention relates to an electrolyte and a lithium ion battery, the electrolyte comprises fluorine-containing lithium salt, a composite additive and a solvent, the composite additive comprises organic weak acid aluminum salt and lithium difluoro (oxalato) borate, the mass fraction of the organic weak acid aluminum salt in the electrolyte is 0.4%-1.6%, and the mass fraction of the lithium difluoro (oxalato) borate in the electrolyte is 0.1%-0.5%; wherein the standard reduction potential of the organic weak acid radical in the organic weak acid radical aluminum salt is greater than or equal to-0.490 V by taking a standard hydrogen electrode as a reference at 25 DEG C. Through reasonable electrolyte composition design and proportion regulation and control of the composite additive, the standard reduction potential of the organic weak acid radical is controlled within a certain range, HF corrosion can be inhibited, a stable positive electrode interface film and a stable negative electrode interface film are formed, the overall stability of an electrolyte system is maintained, and the service life of the electrolyte system is prolonged. And the high-temperature stability of the lithium ion battery is synergistically improved.

The present disclosure discloses a chlorine-nitrogen co-coordinated single-atom zirconium adsorbent and use thereof in selective fluoride removal from high-salinity wastewater, belonging to the technol field of fluoride-containing wastewater treatment. The present disclosure involves the self-assembly of melamine and cyanuric acid to obtain a supermolecule, followed by ball milling of the supermolecule with zirconium chloride and subsequent pyrolysis twice to obtain the chlorine-nitrogen co-coordinated single-atom zirconium adsorbent. The adsorbent achieves selective capture of low concentrations of fluoride ions in the high-salinity wastewater by exerting strong electrostatic repulsion on oxygen-containing acid radicals by negatively charged nitrogen ligands and exerting strong coordination on fluoride ions by positively charged zirconium atoms.

The invention provides a sulfonate photoacid generator and a preparation method and application thereof, the sulfonate photoacid generator has a structure as shown in a general formula (I), the photoacid generator does not contain fluorine, and the acidity of sulfonic acid generated by photolysis of the photoacid generator is not weaker than that of traditional fluorine-containing photoacid. The sulfonate photoacid generator is used for solving the problems that the acid radical of the existing sulfonate photoacid generator contains fluorine, the acid radical does not contain fluorine, and the acidity is weak, and the sulfonate photoacid generator provided by the invention can be used for improving the photosensitivity and the image resolving property of the photosensitive composition.

The application provides a solid-state electrolyte, a battery and a preparation method therefor and a power utilization device, and belongs to the technical field of solid-state electrolyte manufacturing. The solid-state electrolyte comprises a polyurea polymer and a lithium salt, and the chain segment of the polyurea polymer comprises a quaternary ammonium cation, an acid radical ion and a polyethylene oxide chain segment. The polyurea polymer has high ion conductivity and excellent mechanical strength, so that the corresponding battery has excellent specific capacity and cycle performance.

This invention relates to the field of oilfield chemistry, and discloses an oil displacement composition and an oil displacement agent, as well as their applications. The oil displacement composition comprises component A and component B, wherein component A has the structure shown in Formula I, and component B has the structure shown in Formula II; wherein R1 is a C1-C8 alkanol or a C6-C8 aromatic alcohol; PO is a polyoxypropylene segment; EO is a polyoxyethylene segment; m = 1-30; n = 1-15; Y ‑ R1 is an acid radical ion; M is an alkali metal or alkaline earth metal; R2 is a C1-C8 alkyl group or a C6-C8 aryl group. The oil displacement agent prepared from the oil displacement composition of this invention can be used in chemical oil displacement. This oil displacement agent is an ultra-low interfacial tension spreading type oil displacement agent, with simple composition, good solubility, and cost advantage. R1-O-(PO) m -(EO) n -Y ‑ M + Formula I; R2-OH Formula II.

This invention discloses a parallel material cleaning machine and cleaning method, relating to the field of silicon wafer cleaning. It includes a cleaning table, a first drive beam, a cleaning frame, a receiving box, and a cleaning mechanism. The cleaning mechanism is used to clean the cleaning frame and silicon wafers at the receiving position of the receiving box to remove residual liquid. By setting up the receiving box and cleaning mechanism between degreasing and pickling, residual degreasing agent, saponified substances, and grease on the workpiece surface are removed, eliminating the triple hazards of neutralization failure, salt contamination, and uncontrolled foaming caused by alkaline substances mixing into the pickling tank, ensuring stable free acidity of the pickling solution. This invention, by setting up the receiving box and cleaning mechanism between pickling and passivation, not only rinses the surface acid solution but also neutralizes residual acid radicals through the penetration of a neutralizing agent into the micropores, and removes calcium and magnesium ions with deionized water, completely avoiding the contamination of acid and Fe²⁺. + Cl ‑ SO4² ‑ By allowing pollutants to enter the phosphating tank, problems such as system collapse, membrane failure, and excessive sludge accumulation can be prevented.