1478 results about "Divalent" patented technology

To provide a resist composition which achieves higher sensitivity and can form a resist pattern with reduced LWR.SOLUTION: The resist composition contains: a resin component (A1) whose solubility in a developer changes by the action of an acid; and a compound (D0) represented by the following general formula (d0-1). (In the formula, Cy1 represents a cyclic group containing an aliphatic ring; Cy2 represents a benzene ring or a naphthalene ring; Xd01 represents an iodine atom or a bromine atom; Rd01 and Rd02 represent substituents; Ld01 represents a divalent linking group; Ld02 represents a divalent linking group or a single bond; m01 represents an integer of 1 or more; n01 and n02 represent integers of 0 or more; Mmd+ represents an organic cation; and md represents an integer of 1 or more.)SELECTED DRAWING: None

The present invention uses a resist composition that contains a base material component that has a structural unit derived from a compound represented by general formula (a0-1). In formula (a0-1), W01 represents a polymerizable group–containing group, La01 represents a divalent linking group or a single bond, and I represents an iodine atom. Ra02 represents a substituent other than an iodine atom. Ya01 represents a divalent linking group or a single bond. Va01 represents a single bond, an alkylene group, or a fluorinated alkylene group. Ra01 represents a hydrogen atom, a fluorine atom, or a fluorinated alkyl group. Mm+ is an m-valent cation.

A photobase generator includes a compound including: first skeletons represented by the following formula (a); and a second skeleton including nitrogen atoms bonding to bonding positions of the first skeletons to form amide groups, wherein, in a molecule, a number of the first skeletons is two or more, a number of the nitrogen atoms, configuring the amide groups, in the second skeleton is the same as the number of the first skeletons, and at least one of the nitrogen atoms configuring the amide groups is converted into a nitrogen atom configuring a secondary amine or a tertiary amine by light irradiation. In the formula (a), G is a divalent aromatic group, and * represents the bonding position with the nitrogen atom.

The invention relates to a preparation method of a nanofiltration membrane containing a covalent organic framework (COF) interlayer. The nanofiltration membrane (NF) comprises a base membrane, an interlayer and a separation surface layer. The interlayer is formed by in-situ growth of polyphenol and diamine under the action of an oxidizing agent, and the separation surface layer is formed by an aqueous-phase active monomer and multi-element acyl chloride through an interfacial polymerization reaction. According to the invention, an imino covalent organic framework (TpPa-COF) film interlayer is introduced, and a surface polyamide layer is prepared through interfacial polymerization, so that the hydrophilicity of the film and the ability of removing divalent cations are improved. The invention aims to solve the problem of balance between low flux and high separation effect of an NF membrane in separation of monovalent / divalent cations, maintain ideal water flux while ensuring high separation effect, and solve the problem that a traditional NF membrane separation layer has defects. The two-dimensional TpPa-COF material can effectively control the pore size distribution and hydrophilicity of the surface of the substrate and improve the separation performance of the composite membrane. The preparation method is simple, and the obtained nanofiltration membrane has a wide application prospect.

A surface treatment agent containing a hydrocarbon-terminal-group-containing compound of the following formula makes it possible to form a cured film that is exceptional in water repellency, slipperiness, dirt removability, and abrasion resistance, particularly steel wool abrasion resistance and wet abrasion resistance. (R1 is a C12-80 monovalent hydrocarbon group that includes a C12 or higher monovalent or divalent linear unsubstituted aliphatic saturated hydrocarbon group and does not contain a hydrocarbon branched structure, R2 is H, a halogen atom, a hydroxyl group, a siloxy group, an -OSi(CH3)3 group, an -OSi(C2H5)3 group, an amino group, an SH group, a monovalent hydrocarbon group, R1, -V-Z-(Y-A)m, or -Y-A, U is a single bond, C, or a trivalent or tetravalent organic group, V is a single bond or a divalent hydrocarbon group, Z is a single bond, C, Si, N, S, or a trivalent to octavalent organic group, Y is a single bond or a divalent hydrocarbon group, A is a monovalent reactive group, k is 0, 1, or 2, and m is 1-7.)

The invention discloses a selective separation and resource utilization method of chromium in a sodium vanadium solution, which comprises the following steps: S1, measuring a predetermined volume of sodium vanadium solution, and heating to a predetermined temperature; s2, a preset amount of divalent manganese salt is added into the sodium vanadium solution, so that hexavalent chromium is subjected to a reduction reaction; s3, after the reaction is finished, carrying out solid-liquid separation and washing to obtain chromium and vanadium removed liquid and precipitates; s4, vanadium precipitation and calcination are conducted on the chromium and vanadium removal liquid, and a vanadium oxide product is obtained; and calcining the precipitate at high temperature to obtain the chromium-manganese oxide. According to the method, the sodium vanadium solution is used as a raw material, the divalent manganese salt is used as a reducing agent, hexavalent chromium is reduced into trivalent chromium, the trivalent chromium generates chromium hydroxide precipitate under the alkaline condition, vanadium is not reduced and is reserved in the solution, and efficient separation of vanadium and chromium is achieved; the dechromed vanadium liquid is subjected to vanadium precipitation and calcination, and a vanadium oxide product is obtained; after the precipitate is subjected to high-temperature calcination, chromium-manganese oxide is obtained and can be used for preparing chromium-manganese alloy, and resource utilization is achieved.

The invention belongs to the technical field of fluorescent active substance development, and particularly relates to a cadmium (II)-based metal organic framework crystalline material as well as a preparation method and application thereof. The molecular formula of the cadmium (II)-based metal organic framework crystalline material is {[Cd3 (Br-BDC) 3 (BMIP) 2]. 2H2O} n, cadmium (II) ions serve as connecting nodes, BMIP and H2 (Br-BDC) ligands serve as bridging ligands to be in mutual bridging to form a three-dimensional space structure, Cd-O secondary structural units are contained in the structure, three Cd atoms form a trinuclear Cd-O cluster structure through the Cd-O secondary structural units, and the Cd (II)-based metal organic framework crystalline material has the structural formula shown in the description. The Cd1 atom and the Cd1 # atom are in mirror symmetry. The divalent cadmium ion fluorescence sensing material can be prepared by adopting a one-pot solvothermal reaction; the preparation method has the advantages of simple process, convenience in operation, high yield, good reproducibility and the like; the cadmium (II) fluorescent sensing material disclosed by the invention is relatively high in fluorescence emission spectrum intensity and can be applied to the fields of molecular fluorescent probes, metal ion detection and the like.

The invention discloses a coking inhibitor and a preparation method thereof. The coking inhibitor comprises a reducing agent, a sulfur-containing substance, a silicon-containing substance and a calcium-containing substance, and the valence of the sulfur element in the sulfur-containing substance is negative bivalence or zero valence. Therefore, by adopting the coking inhibitor provided by the invention, the melting point of the coking body can be reduced, the coking body is promoted to be melted, and the occurrence of a coking phenomenon is favorably inhibited.

The invention relates to a composite additive for an all-vanadium redox flow battery electrolyte and a preparation method and application thereof, the composite additive comprises an organic ligand, organic sulfonate, phosphate and halide, and the molar ratio of the organic ligand to the organic sulfonate to the phosphate to the halide is 1: (1-2): (1-2): (1-10). Through the synergistic effect of the four added components, the precipitation problem of divalent vanadium ions under a low-temperature condition and pentavalent vanadium ions under a high-temperature condition is remarkably improved, the high-temperature stability of the positive electrode electrolyte and the low-temperature stability of the negative electrode electrolyte of the all-vanadium redox flow battery are effectively improved, the service life of the battery is prolonged, and the service life of the battery is prolonged. Meanwhile, through the synergistic effect of the four effective components, the use amount of the additive is reduced, and the use cost of the additive is reduced.

Provided are cobalt ferrite particles having a micrometer-order average particle diameter and similar particle diameters. The cobalt ferrite particles are obtained by a method for producing cobalt ferrite particles, including performing a thermal treatment on an aqueous solution containing a divalent iron salt and a divalent cobalt salt stabilized by a complexing agent (ferrite precursor).

A branched organosilicon compound is provided having the general formula: (R1)3—X—[SiR20]n—SiR2R3. In the formula: each R is independently a substituted or unsubstituted hydrocarbyl group; each R1 is selected from R and —OSi(R4)3, with the proviso that at least one R1 is —OSi(R4)3; each R4 is selected from R, —OSi(R5)3, and —[OSiR2]mOSiR3; each R5 is selected from R, —OSi(R6)3, and —[OSiR2]mOSiR3; each R6 is selected from R and —[OSiR2]mOSiR3; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3; 0≤m≤100; X is a divalent linking group; 1≤n≤10; and R3 has the general -D-Op—(CqH2qO)r—R8. In R3, D is a divalent hydrocarbon linking group, subscript p is 0 or 1, subscript q is independently selected from 2 to 4 in each moiety indicated by subscript r, subscript r is from 1 to 500, and R8 is selected from substituted or unsubstituted hydrocarbyl groups and H.

The invention discloses a multi-network anti-freezing hydrogel electrolyte, a preparation method thereof and application of the multi-network anti-freezing hydrogel electrolyte in an electrochemical device. The hydrogel is prepared by using polyvinyl alcohol (PVA) and polyacrylamide (PAM) to form a basic network skeleton, introducing phytic acid, ethylene glycol and lithium / zinc bimetal salt (Li2SO4 / ZnSO4), and carrying out thermal initiation polymerization and freeze thawing. The hydrogel prepared by the invention has a multiple physical cross-linked network formed by polymer molecular chain entanglement, hydrogen-bond interaction among functional groups and metal coordinate bonds constructed between phosphate groups and divalent metal ions, so that the hydrogel electrolyte has excellent mechanical properties. Due to introduction of ethylene glycol, formation of ice crystals is effectively inhibited, and the hydrogel is endowed with excellent anti-freezing performance; the high-concentration Li < + > and Zn < 2 + > ensure the high ionic conductivity. The supercapacitor assembled by using the hydrogel electrolyte shows relatively high specific capacitance and good capacitance retention rate under bending and freezing conditions, and has good electrochemical properties and safety performance.

To provide a resist underlayer film-forming composition capable of forming a resist underlayer film which exhibits excellent processing resistance and excellent gas permeability.SOLUTION: The resist underlayer film-forming composition contains: (A) a polyether compound containing a repeating unit represented by the following general formula (I); and (B) an organic solvent. (Ar1 represents a substituted or unsubstituted C6-30 aryl group or the like; R1 represents a substituted or unsubstituted C1-20 linear, branched or cyclic saturated or unsaturated divalent hydrocarbon group or a substituted or unsubstituted C1-20 linear, branched or cyclic heteroalkylene group; and n and m represent integers of 0 or more.)SELECTED DRAWING: None

This resist composition contains: a resin component (A1), the solubility of which in a developer solution changes due to the action of an acid; and a compound (D0) represented by general formula (d0-1). In the formula, Ar is an aromatic ring; OH is a hydroxy group; Xd01 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group; Ld is a single bond or a divalent linking group; Z+ is S+ or I+; and Xd02 is an iodine atom, a fluorine atom, a bromine atom, or a fluorinated alkyl group. [Chemical formula 1]

The invention discloses a microporous metal organic framework material, a preparation method and a rare gas separation method, and belongs to the technical field of chemical adsorption separation, the microporous metal organic framework material is constructed by coordination of divalent metal ions, heterocyclic dicarboxylic acid ligands and nitrogen-containing heterocyclic ligands; divalent metal ions and heterocyclic dicarboxylic acid ligands are coordinated to form a two-dimensional polymer, and nitrogen-containing heterocyclic ligands serve as pillared bodies and are coordinated with the two-dimensional polymer to form a three-dimensional frame structure. A microporous metal organic framework material is used as an adsorbent and is in contact with a rare gas mixture, so that high-polarity rare gas is recognized and captured, and separation and purification of the rare gas are achieved. According to the invention, by changing different ligands and functional group substituents thereof, precise regulation and control of a pore chemical electrostatic environment are realized, so that selective separation of rare gases such as xenon / krypton, helium / neon and the like is realized.

Intermolecular interactions and molecular chain mobility are improved when a hydrocarbon-terminal-group-containing compound represented by formula (1) is used as a surface protective agent for a non-fluorine-based material, and a surface treatment agent containing the compound can form a cured coating film having excellent water repellency, slipperiness, ease of soil removal, and abrasion resistance, in particular, steel wool abrasion resistance. (R is a C1-60 monovalent hydrocarbon group, Z is a divalent connecting functional group containing at least one selected from O, N, S, and Si, Y is a C1-30 divalent hydrocarbon group, A is a monovalent reactive group, and k is 1-3.)

This organic silicon compound is characterized by being represented by structural formula (1), and has good reactivity while having a monoalkoxysilyl group.(In the formula, X represents a monovalent to trivalent organic group including a polyoxyalkylene structure, an alkylene group having 1-20 carbon atoms, O, S, N, or the like, R1 and R2 each independently represent an alkyl group or the like having 1-10 carbon atoms, Y represents a single bond, O, S, or the like, A1, A2, A3, A4, and A5 each represent a single bond, or a divalent linking group such as a divalent hydrocarbon group having 1-20 carbon atoms, and n represents a number of 1-3.)

To provide an emulsion of perfluoropolyether phosphate ester.SOLUTION: An emulsion comprises (A) a perfluoropolyether phosphate ester compound represented by a formula (I), (B) a fluorine-based anionic surfactant with a counter cation, (C) a water-soluble thickener, (D) alcohol, and (E) water [where Rf is a C1-4 perfluoroalkyl group. X is a fluoro group or a trifluoromethyl group. Y is a C1-10 divalent group. m is 5-60. n is 1 or 2].SELECTED DRAWING: None

The present invention is a treatment method for an alloy, the method being used for the purpose of obtaining a solution that contains nickel and / or cobalt from an alloy that contains nickel and / or cobalt and copper. This treatment method for an alloy comprises a leaching step in which the alloy is subjected to a leaching treatment by adding an acid solution to the alloy in the coexistence of a sulfurizing agent, thereby obtaining a leachate and a leaching residue; and in the leaching step, the leaching treatment is carried out while maintaining the copper concentration in the reaction solution within the range of 0.5 g / L to 15 g / L by adding a divalent copper ion source thereto. Moreover, in the leaching step, the leaching treatment is carried out while maintaining the redox potential of the reaction solution at 50 mV or more, using a silver / silver chloride electrode as a reference electrode.

The present invention relates to a sodium ion battery comprising a positive electrode composition having improved battery performance and moisture and air stability. The positive electrode composition has the general formula NaxAzNiiMyMnjTikSbfO2, where A is an alkali metal or alkaline earth metal selected from Ca, Li, M is a divalent element or trivalent element selected from Fe, Mg, Zn, Cu, Al, Co, and Ni is a divalent element, Mn, Ti are tetravalent elements, and Sb is a pentavalent element / trivalent element, where (i + j + k + f + y = 1), 0.7 < = x < = 1, 0 < = z < = 0.2, 0.1 < = i < = 0.6, 0 < = y < = 0.5, 0.1 < = j < = 0.5, 0.05 < = k < = 0.4, and 0 < = f < = 0.2. The invention is suitable for energy storage application.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a compound conditioner for treating sulfate type saline-alkali soil and application of the compound conditioner. The compound conditioner is formed by compounding hydrotalcite, acidic zeolite and humic acid; wherein the hydrotalcite is nitrate intercalated MgAl-LDH or MgFe-LDH, and the molar ratio of divalent metal ions to trivalent metal ions of the hydrotalcite is (2: 1)-(4: 1); the acidic zeolite is clinoptilolite treated by a nitric acid solution; the humic acid is mineral source humic acid, and the purity of the humic acid is greater than 80%. The compound conditioner disclosed by the invention can mineralize Na < + > and SO4 < 2-> which are too high in content in saline-alkali soil, reduce the salt content and pH and prevent plants from osmotic stress and alkaline toxicity; the content of nitrate nitrogen and organic matters in soil is increased, and nutrient substances are provided for plants; the soil structure is improved, the water-retaining property and the air permeability are enhanced, the soil bulk density is reduced, and plant germination and root growth are facilitated.

The invention discloses a preparation method of manganous ferric phosphate, and belongs to the technical field of battery positive electrode material manufacturing. Manganese element doping is mainly carried out in the aging stage, an oxidizing agent is not used, and the crystallization property and the iron-phosphorus ratio of the material are improved through secondary calcination. According to the invention, divalent manganese ions can be prevented from being oxidized into trivalent manganese ions when the divalent iron ions are oxidized in the synthesis stage, disproportionation and co-ion effect of the trivalent manganese ions are avoided, so that the divalent manganese ions stably exist in the product, the low-temperature discharge performance of the battery is improved, and meanwhile, the preparation cost is reduced.

The invention provides a CuCoNi-MOF aerogel nano-enzyme, a preparation method thereof and a detection reagent, and belongs to the technical field of antibody detection.The preparation method of the aerogel nano-enzyme comprises the following steps that bivalent copper salt, bivalent cobalt salt and bivalent nickel salt are mixed, then a reducing agent is added to reduce bivalent metal ions, then a dimethylimidazole solution is added, and the CuCoNi-MOF aerogel nano-enzyme is obtained. And reacting at 25-35 DEG C for at least 1 hour, finally taking out the precipitate after the reaction, washing with deionized water, and freeze-drying to obtain the target product. The detection reagent provided by the invention is prepared from the aerogel nano-enzyme as a raw material. The aerogel nano enzyme has high activity and strong stability, and can form a detection reagent with stable properties with a protein biomarker, and meanwhile, the preparation method is simple and convenient, and does not need expensive instruments, so that the manufacturing cost can be reduced. The detection reagent provided by the invention has very high sensitivity and accuracy.

A radiation-sensitive resin composition includes: a first onium salt compound represented by formula (1); a second onium salt compound represented by formula (2); a resin including an acid-dissociable group; and a solvent. R1 is a substituted or unsubstituted monovalent hydrocarbon group or the like; R2 and R3 are each independently a hydrogen atom, a fluorine atom, or the like; and Z+ represents a monovalent radiation-sensitive onium cation. R4 is a monovalent organic group; one of Rf21 and Rf22 is a fluorine atom, and the other is a fluorine atom or a monovalent fluorinated hydrocarbon group; Ar is a monovalent organic group including an aromatic ring; R5, R6, R7, and R8 each independently represent a hydrogen atom, a hydroxy group, a halogen atom, or a monovalent organic group; and X is a single bond or a divalent hetero atom-containing group.

The invention discloses a gamma-polyglutamic acid and hydrophilic polysiloxane composite material and application thereof, and belongs to the technical field of medical antibacterial coating materials. The gamma-polyglutamic acid and hydrophilic polysiloxane composite material is prepared from a hydrophilic polysiloxane aqueous solution and a gamma-polyglutamic acid aqueous solution through an ionic cross-linking reaction, the hydrophilic polysiloxane is prepared by sequentially carrying out click chemical reaction and ionization modification on polysiloxane with a side chain containing vinyl and a sulfydryl-containing compound; the sulfydryl-containing compound also contains a carboxylic acid group or an amino-terminated group; when the sulfydryl-containing compound further contains carboxylic acid groups, the raw materials of the ionic cross-linking reaction further comprise an aqueous solution containing divalent metal cations. The composite material has low swelling rate and good antibacterial performance, and can be used for long-acting stable antibacterial. As an antibacterial coating, the composite material is suitable for the surfaces of medical apparatuses and instruments made of different materials, and has a wide application prospect.

A metal-organic coordination compound comprises one divalent Europium ion and a macrocyclic organic ligand, further comprising in the coordination compound at least one borane cluster anion (selected from (3-1) to (3-3)), or at least one borate cluster anion formed from two borate cluster fragments (selected from (3-4) to (3-8)), which are covalently linked with each other at the dashed line, preferably via a linear C1-15- alkylene spacer, or with the macrocyclic organic ligand being singly or twofold negatively charged by means of covalent attachment of one to two borate cluster fragments (selected from (3-4) or (3-8)) and wherein the macrocyclic organic ligand can be covalently attached to the polymer backbone of a polymer with a molecular weight Mn above 1000 g / mol.

The present invention is an addition-curable silicone composition containing components (A) to (C): (A) An addition reaction product of an organopolysiloxane represented by formula (1) and a compound represented by formula (2), the addition reaction product having two addition-reactive carbon-carbon double bonds per molecule. (1) (R1 is a C1-12 monovalent hydrocarbon group, R2 is a methyl group or a phenyl group, a is an integer of 0-50, and b is an integer of 0-300. ), (2) (R3 represents a C1-12 divalent hydrocarbon group.), (B) an organosilicon compound having a hydrogen atom bonded to at least two silicon atoms per molecule, and (C) a hydrosilylation reaction catalyst. Thus, provided are an addition-curable silicone composition that has high transparency and a high refractive index and yields a cured product having high strength and high elongation and a highly reliable optical semiconductor device sealed by a cured product thereof.

The invention relates to the technical field of radionuclide separation, in particular to an Eu (III) / An (III) separation method based on a zirconium phosphonate-based metal organic framework adsorbent, which comprises the following steps: adding the zirconium phosphonate-based metal organic framework adsorbent into an Eu (III) and / or An (III) nuclide-containing aqueous solution with the acid concentration of 0.001-3M to carry out adsorption reaction, and then carrying out solid-liquid separation, wherein the zirconium phosphonate-based metal organic framework adsorbent is a zirconium phosphonate-based metal organic framework material exchanged by metal cations M; the metal cation M is selected from one of alkali metal ions, alkaline earth metal ions or divalent transition metal ions. According to the invention, the interlayer chemical properties of the material are regulated and controlled through ion exchange, so that the adsorbent has ultrahigh selectivity, rapid adsorption kinetics, high adsorption capacity and excellent structural stability on trivalent actinide / simulated nuclides in extremely high-acid, high-salt and intense-radiation environments; the key problems of low separation efficiency and poor stability in a high-acid complex system in the prior art are solved, and the method is suitable for treating high-level liquid waste.

The invention relates to a rapid biosynthesis method and antibacterial application of a photo-thermal nano material (Cu, Co) Se2. The method comprises the following steps: step 1, culturing dissimilatory metal reducing bacteria in a culture medium to a platform earlier stage, and activating; 2, the activated dissimilatory metal reducing bacteria are inoculated into an anaerobic culture medium, then bivalent copper salt and selenite are added, and Cu2-xSe nanoparticles are synthesized through a reaction under the anaerobic condition; wherein x is equal to 0-1; 3, divalent cobalt salt continues to be added under the anaerobic condition, thalli are separated into supernate through differential centrifugation, sediment is collected, and (Cu, Co) Se2 nanoparticles are obtained; step 4, carrying out cell disruption treatment on the (Cu, Co) Se2 nanoparticles; the light absorption range and intensity of the original selenide are improved, the photo-thermal efficiency of the selenide is enhanced, and the photo-thermal metal nano material (Cu, Co) Se2 can be efficiently, rapidly and controllably synthesized by the synthesis method.

Provided is a marine biodegradable polyol that is a compound which: includes at least two organic anions having a molecular weight of 100-5000; has a structure in which said organic anions are bonded by ionic bonds formed by a metal cation having a valence of two or higher, and includes at least two hydroxyl groups in each molecule.