2367 results about "Halogen" patented technology

A process for upgrading plastic derived oil includes contacting the plastic derived oil with a mixed catalyst in a first reactor, where the mixed catalyst includes a decontamination catalyst and a cracking catalyst different from the decontamination catalyst. The first reactor reduces concentrations of halogen-containing compounds in the plastic derived oil. The process includes passing the first reactor effluent to a second reactor and contacting the first reactor effluent with the cracking catalyst to produce a second effluent comprising light olefins and naphtha range hydrocarbons. The process includes separating used mixed catalyst from the first reactor to produce a used decontamination catalyst and a second used cracking catalyst, and regenerating the decontamination catalyst and cracking catalyst in separate regenerators to reduce exposure of the cracking catalyst to halogen-containing compounds produced during regeneration of the used decontamination catalyst.

A process for upgrading a plastic derived oil includes providing the plastic derived oil comprising hydrocarbons and greater than or equal to 100 ppmw halogen-containing compounds and contacting the plastic derived oil with an MMO catalyst in a first reactor at reaction conditions to remove halogens from the plastic derived oil to produce a first reactor effluent with less than 100 ppmw halogen-containing compounds. The process includes contacting the first reactor effluent with an adsorbent to produce a treated first reactor effluent, passing the treated first reactor effluent to a second reactor, and contacting the treated first reactor effluent with a cracking catalyst in the second reactor. Contacting with the cracking catalyst may cause hydrocarbons in the treated first reactor effluent to undergo catalytic cracking to produce a second reactor effluent comprising light olefins, naphtha range hydrocarbons, or combinations thereof.

The present disclosure provides a solid electrolyte composition that can suppress deterioration in ion conductivity of an ionic solid electrolyte material. The solid electrolyte composition according to the present disclosure contains a sulfur element-free ionic solid electrolyte material and an organic solvent, where the organic solvent includes at least one selected from the group consisting of a hydrocarbon and a compound having a functional group; and the functional group is at least one selected from the group consisting of an ether group, a halogen group, and a Si—O—C group.

The present disclosure provides a solid electrolyte composition that can suppress deterioration in ion conductivity of an ionic solid electrolyte material. The solid electrolyte composition according to the present disclosure contains a sulfur element-free ionic solid electrolyte material and an organic solvent, where the organic solvent includes at least one selected from the group consisting of a hydrocarbon and a compound having a functional group; and the functional group is at least one selected from the group consisting of an ether group, a halogen group, and a Si—O—C group.

Disclosed is a liquid crystal composition. The liquid crystal composition includes liquid crystal molecules including at least one of a liquid crystal compound having an alkenyl group and a liquid crystal compound having an alkoxy group, and a first stabilizer including a compound having a structure represented by Formula 1:where n is 0 or 1; m is 0 or 1; k is 0 or 1; Z1, Z2, and Z3 are each independently a single bond, —C═C—, —OCO—, —COO—, —CF2O—, or a C1 to C5 alkylene group; X1, X2, X3, and X4 are each independently hydrogen or halogen; Y is hydrogen, an alkylene group, an alkoxy group, a hydroxyl group, —NHCOCH3, or ═O; and A and B are cyclic compounds.

The invention discloses a high-temperature-resistant flame-retardant nylon composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The preparation method comprises the following steps: uniformly mixing 100-110 parts of nylon resin, 40-60 parts of a flame retardant, 1-3 parts of a lubricant, 0.5-2 parts of an antioxidant and 0.5-2 parts of an ultraviolet light absorber, adding the mixture into a double-screw extruder from a main feed, adding the flame retardant into the double-screw extruder from a side feed, and performing extrusion, bracing, cooling, pelletizing and drying to obtain the high-temperature-resistant flame-retardant nylon composite material. The flame retardant disclosed by the invention contains high-dispersity magnesium hydroxide and halogen-free flame-retardant elements, namely nitrogen, phosphorus and silicon, and does not contain any halogen, so that the flame retardant disclosed by the invention has the flame-retardant effects of high flame retardance, low smoke generation amount and low harmfulness, and the application field of a nylon composite material can be effectively widened.

A solid electrode includes particles of an electroactive material, a solid electrolyte comprising particles of an ionic conducting compound having at least one halogen element, a conductive carbon, and a coating deposited on the particles of the electroactive material, the particles of the solid electrolyte, or a combination thereof. The coating includes a metal halide, a metal sulfide, a metal phosphide, a metal oxide, a metal selenide, or a combination of two or more thereof. A method for preparing the solid electrode includes milling a mixture of the electroactive material, the conductive carbon, and the solid electrolyte to produce the coated solid electrode material comprising the coating derived from decomposition products of the ionic conducting compound, the coating deposited on the particles of the electroactive material, the solid electrolyte, or a combination thereof.

A method of preparing an acrylate-functional branched organosilicon compound (“compound”) is provided, and comprises reacting (A) a branched organosilicon compound and (B) an acrylate compound in the presence of (C) a catalyst, wherein component (A) has the general formula X—Si(R1)3, where X comprises a halogen-functional moiety and 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; each R is an independently selected hydrocarbyl group; and 0≤m≤100; with the proviso that at least one of R4, R5 and R6 is —[OSiR2]mOSiR3. The compound prepared by the method, a copolymer comprising the reaction product of the compound and a second compound, a method of forming the copolymer, and a composition comprising the copolymer are each also provided.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y1 is halogen; y2 and Y3 each independently represent hydrogen, halogen, alkyl, or the like; and Z1, Z2, R1, R2, R3, R4, R5, R6, R7 and R8 independently represent hydrogen, halogen, cyano, nitro, alkyl and the like. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention provides a sulfide solid electrolyte and a preparation method and application thereof, and relates to the technical field of lithium ion batteries. The preparation method comprises the following steps: S1, carrying out dry ball milling treatment on raw materials Li2S, P2S5 and LiX according to a required stoichiometric ratio, so that the raw materials are amorphized; s2, adding a solvent into the non-crystallized raw material obtained in the step S1, and carrying out wet ball-milling treatment to obtain a precursor with the particle size of 0.05-0.5 mu m; s3, the solvent is removed from the precursor slurry, the sulfide solid electrolyte is obtained through solid-phase sintering, all the steps are carried out in an inert atmosphere, and X is a halogen element. According to the present invention, the non-crystallization of the raw material is achieved through the dry ball milling, the uniform precursor slurry with the small particle size is obtained by combining the wet ball milling, and the sub-micron / nano-scale pure phase electrolyte material can be obtained after the sintering treatment, such that the electrode / electrolyte interface contact is improved, the impedance is reduced, and the battery performance is significantly improved.

The invention belongs to the technical field of two-dimensional material preparation, and provides a method for preparing an MXene material based on a free radical mechanism, and the method comprises the following steps: S1, carrying out acid pickling on MAX phase powder to obtain an acid pickling precursor; s2, mixing the pickling precursor, an organic halogenation reagent and a buffer reagent, and then performing an etching reaction under an ultraviolet irradiation condition; s3, after the etching reaction is completed, an obtained product is cleaned and dried, and the MXene material is obtained. According to the method, the organic halogenation reagent is irradiated by ultraviolet light, so that the halogen free radicals are excited, and the halogen free radicals are used as an etching agent to realize selective etching of the A layer in the MAX phase material, so that the MXene material is prepared. The method has the characteristics of safety and environmental protection.

The invention discloses a low-smoke halogen-free environment-friendly insulated cable material and a preparation method thereof, belongs to the technical field of insulated cable materials, and is used for solving the technical problem that the insulating property and flame retardant property of an insulated cable material in the prior art need to be further improved. The material comprises the following raw materials in parts by weight: 80-100 parts of cross-linked polypropylene and 21-28 parts of an auxiliary additive, graphene and boron nitride are activated, double-bond structures are modified on the surfaces of the graphene and the boron nitride, the graphene and the boron nitride are mixed to obtain a composite filler, the composite filler is modified by a ball-milling modifier in the ball-milling process, the modified composite filler and a polypropylene material are mixed, melted and extruded, and the composite filler is prepared. And carrying out electron radiation to obtain crosslinked polypropylene, and carrying out mixing, melting and extrusion on the crosslinked polypropylene and auxiliary materials to obtain the low-smoke wear-resistant insulated cable material.

The invention relates to an optical monomer and a preparation method and application thereof, the structural general formula of the optical monomer is shown as G1, G2, G3 and G4, R1 and R2 are respectively selected from one of H, C1-C10 alkyl and halogen, A1 is C1-C10 alkyl, R3 is hydrogen or methyl, and n is a positive integer selected from 1-10. The optical monomer provided by the invention has a (methyl) acrylate group with high refractive index and low volume shrinkage property, contains a plurality of aromatic rings with high molar refractive index and low molar volume, and also has sulfur atoms with relatively high molar refractive index, so that the whole molecule of the whole monomer has extremely high refractive index. The whole monomer structure in the invention has at least two functionalities, and can realize fast reaction; the monomer structure also contains more branched chains and carbon chains, and molecules are not easy to agglomerate and have a certain migration rate.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y1, Y2, Y3, Z1, Z2, R1, R2, R3, R4, R5, R6, R7, and R8 independently represent hydrogen, halogen, a cyano group, a nitro group, an alkyl group, etc. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention belongs to the technical field of pesticides, and particularly relates to a mesoionic pyrimidinium compound, and an N-oxide or salt and application thereof. The compound is shown as a general formula I, wherein Q1 and Q2 respectively and independently represent O or S; x represents a cyano group, a cyano alkyl group, an aryl group or a heterocyclic group; y represents hydrogen, an alkyl group, an alkenyl group, an alkynyl group or the like; and Z1, Z2, R1, R2, R3, R4, R5, R6, R7 and R8 independently represent hydrogen, halogen, cyano, nitro, alkyl and the like. The compound has an excellent prevention and treatment effect on pests such as spodoptera frugiperda, armyworm and prodenia litura.

The invention provides an environment-friendly heat-resistant photovoltaic cable and a preparation method thereof. The environment-friendly heat-resistant photovoltaic cable comprises a conductor, an insulating layer and a sheath layer, the insulating layer is prepared from the following component raw materials: 20 to 30 percent of polylactic acid, 10 to 20 percent of polyhydroxyalkanoate, 25 to 35 percent of halogen-free flame-retardant crosslinked polyethylene, 5 to 15 percent of phosphate esterified lignin microspheres, 3 to 8 percent of quaternary ammonium salt chitosan nanofiber, 1 to 3 percent of modified graphene, 2 to 6 percent of epoxidized soybean oil, 1 to 5 percent of modified montmorillonite and 0.5 to 1.5 percent of nano silicon dioxide aerogel. The invention discloses an anti-aging agent which is prepared from the following components in percentage by weight: 2-4% of sodium alginate microcapsules, 0.5-1.5% of polydimethylsiloxane, 0.1-0.8% of a silane coupling agent and 0.1-0.8% of a plant polyphenol antioxidant. The sheath layer comprises the following raw material components: 45-55% of halogen-free flame-retardant crosslinked polyethylene, 10-20% of lignin-based carbon nanotubes, 5-15% of sulfonated chitosan / sodium alginate microspheres, 1-6% of graphene, 5-15% of epoxidized soybean oil, 2-8% of nano silicon dioxide, 1-3% of polydimethylsiloxane, 1-3% of peppermint oil microcapsules, 1-3% of a silane coupling agent and 0.1-0.8% of an antioxidant. And 0.1-0.8% of an ultraviolet light absorber. The photovoltaic cable disclosed by the invention has the advantages of flame retardance and difficulty in generating drippings after combustion.

The embodiment of the invention relates to a method for initiating in-situ polymerization of an electrolyte solution through electrochemical induction. A solvent of the electrolyte solution comprises cyclic ether molecules and halogen atom substituted ethylene carbonate molecules; the method comprises the following steps: carrying out constant-current charging on a battery to a set voltage, and carrying out constant-voltage charging for a specific time under the set voltage, so that halogen atoms of halogen atom substituted ethylene carbonate molecules are removed under the reduction potential of the negative electrode side of the battery to generate free radical sites, two molecular structures after halogen atoms are removed are mutually combined through the free radical sites to form a dimer, the dimer is migrated to the positive electrode side in an electrolyte solution, dehydrogenation reaction is carried out under the action of oxidation potential applied to the positive electrode side, and in-situ ring-opening polymerization reaction of cyclic ether molecules is initiated through removed hydrogen ions; therefore, in-situ polymerization solidification of the electrolyte solution is realized under the condition that a conventional initiator is not contained.

An in situ protective coating is deposited on surfaces of chamber components of a reaction chamber at high temperatures. The in situ protective coating may be deposited at a temperature greater than about 200° C. to provide a high quality coating that is resistant to certain types of halogen chemistries, such as fluorine-based species, chlorine-based species, bromine-based species, or iodine-based species. Subsequent coatings or layers may be deposited on the in situ protective coating having different etch selectivities than the underlying in situ protective coating. The in situ protective coating may be deposited throughout the reaction chamber to deposit on surfaces of the chamber components, including on chamber walls.

The invention provides a method for accurately regulating and controlling the light-emitting wavelength of a mixed halide pure red light perovskite quantum dot, and belongs to the technical field of photoelectric display, and the method specifically comprises the following steps: preparing a first precursor solution based on cesium carbonate, preparing a second precursor solution based on PbI2 and ZnI2, and respectively heating; injecting oleic acid and oleylamine into the second precursor solution, heating, injecting the first precursor solution into the second precursor solution, cooling, heating again, injecting hydrobromic acid to obtain a mixed halogen perovskite quantum dot coarse solution, and centrifuging for multiple times to obtain a CsPbI3-mBrm quantum dot solution. The bromine source is introduced after the quantum dots are formed, accurate regulation and control of the light-emitting wavelength of the pure red light perovskite quantum dots are achieved, the light-emitting requirement of high-color-purity red light is met, and the quantum dots are one of ideal choices of high-efficiency photoelectric devices and display technologies in the future.

The present invention belongs to the technical field of pesticides and specifically relates to a substituted pyrazole compound containing pyrimidine and a use thereof. The compound is represented by general formula I: where Q represents an aryl group or a heterocyclic group; Y1 and Y2 each independently represent hydrogen, alkyl, or the like; R1 and R2 each independently represent hydrogen, halogen, nitro, or the like; R3 represents hydrogen, alkyl, or the like; R4, R5, R6, and R7 each independently represent hydrogen, alkyl, or halogenated alkyl; and R8 and R9 each independently represent hydrogen, halogen, cyano, alkyl, or the like. The described compound exhibits good control activity against fungi, etc.

The present invention provides a halogen-free flame-retardant multi-color anti-static PC composite material having high fluidity. The composite material comprises the following components in parts by weight: 70-93.4 parts of polycarbonate (PC), 1-10 parts of a toughening agent, 0.5-10 parts of an anti-static agent, 5-20 parts of a flame retardant, 0.05-2 parts of an anti-dripping agent, and 0.05-2 parts of an antioxidant. The present invention has the following beneficial effects: the composite material of the present invention does not contain any dangerous halogen compounds, and therefore the risk of secondary pollution during the recycling thereof can be reduced, environmental protection is achieved, and the anti-static ability of the composite material is improved; moreover, the color can be customized on the basis of product requirements, thereby meeting the market demand for colorful products; and the composite material has good flame retardancy and fluidity.

The invention provides a perovskite solar cell and a preparation method thereof. The perovskite solar cell comprises a transparent substrate layer, a hole transport layer or an electron transport layer, a perovskite active layer, a hole transport layer or an electron transport layer and a composite electrode layer which are sequentially arranged from bottom to top, the composite electrode layer is of a double-layer composite structure composed of a first metal layer and a second metal layer, and the first metal layer is a molybdenum metal layer. The high chemical stability and compact structure of the molybdenum metal layer are utilized, a physical barrier is formed between the perovskite active layer and the second metal layer, migration of halogen ions such as iodine (I-) to the top electrode is effectively inhibited, direct corrosion reaction between the second metal layer and the halogen ions is avoided, and the stability of long-term operation of the device is remarkably improved.

In order to solve the problems of insufficient electrochemical stability, low ionic conductivity and large grain boundary resistance of the existing halogen solid electrolyte material, the invention provides a solid electrolyte material, which comprises a compound shown in the following general formula: Aa (M1bM2c) Xd, A comprises one or more of Li, Na, K, Cu and Ag, X is halogen, M1 is a main element, M1 is selected from one of Ga, Y, In, Mg, Sr, Sc, Al, Fe, Zr, Hf, Ta, Nb, W, Mn, Zn, Co, Mo, Sn, Ca, Pb, Ti, Ru and lanthanide series metal elements, and X is one or more of the following elements. M2 is a doping element and comprises one or more of IIA, IIB, IIIA, IIIB, IVA, IVB, VA and VB group elements, b is larger than the molar ratio of any element in M2, a is larger than or equal to 0.5 and smaller than or equal to 5, b is larger than or equal to 0.2 and smaller than or equal to 2, c is larger than or equal to 0.2 and smaller than or equal to 2, and d is equal to a * epsilon 1 + b * epsilon 2 + c * epsilon 3. Meanwhile, the invention also discloses a preparation method of the solid electrolyte particle, and a solid electrolyte, a semi-solid electrolyte, a positive electrode and a battery comprising the solid electrolyte particle. The solid electrolyte material provided by the invention has relatively high ionic conductivity and electrochemical stability.

The invention discloses a dithiocarbamate monomer, a holographic recording medium, a preparation method and a related device, the structural general formula of the monomer is as shown in G1 and G2, R1 represents any one of hydrogen, halogen and C1-C4 alkyl, R3 represents any one of hydrogen, halogen and C1-C4 alkyl, A1 represents C1-C4 alkyl, A2 represents hydrogen or methyl, n is a positive integer, and n = 1-10. The dithiocarbamate monomer provided by the invention has high refractive index, and the holographic recording medium with high sensitivity, high diffraction efficiency and high refractive index modulation degree can be obtained by applying the dithiocarbamate monomer to preparation of the photopolymer holographic recording medium; holographic recording media can be used to prepare volume holographic gratings, holographic optical elements, and optical devices.

The invention provides a non-aqueous electrolyte, a secondary battery and an electric device. The non-aqueous electrolyte comprises an additive, the additive comprises a cyclic sulfate compound with a structure as shown in a general formula (I), R1, R2, R3, R4, R5 and R6 are respectively and independently selected from any one of a group with a structure as shown in a general formula (II), a hydrogen atom, a halogen atom, C1-C6 alkyl, C1-C6 halogenated alkyl, C1-C6 alkoxy, C1-C6 halogenated alkoxy, C2-C6 alkenyl, C2-C6 ester group, cyano and sulfonic acid group, and R1, R2, R3, R4, R5 and R6 are respectively and independently selected from any one of hydrogen atom, halogen atom, C1-C6 alkyl, C1-C6 halogenated alkyl, C1-C6 alkoxy, C1-C6 halogenated alkoxy, C2-C6 alkenyl, C2-C6 ester group, cyano and sulfonic acid group. And n1, n2 and n3 are respectively and independently any integer from 0 to 2. The general formula (I) is a general formula (II).

A pyrolysis method and system are provided that utilizes a multistage dehalogenation method to effectively remove halogen-containing compounds that are present in an initial recycled plastic feedstock. More particularly, the multistage dehalogenation system and process may involve physical sorting the plastic feedstock, melting and separating the feedstock, and subjecting the feedstock a two-stage pyrolysis with intermediate HCl removal.

A method to produce a halogen-depleted gas is described. The method providing a gas derived from and / or including a source of biogas, mixing said gas with a source of hydrogen to produce a processed gas mixture including an acid, and separating said acid from said processed gas mixture. Sulfur, oxygen, carbon dioxide removal processes are integrated into the method. Production of secondary products, and removal thereof, are included. Pre and post processing may be integrated, and production of products is described.

Synthesis reactions are described to efficiently and specifically form compounds of the structure RSnL3, where R is an organic ligand to the tin, and L is hydrolysable ligand or a hydrolysis product thereof. The synthesis is effective for a broad range of R ligands. The synthesis is based on the use of alkali metal ions and optionally alkaline earth (pseudo-alkaline earth) metal ions. Compounds are formed of the structures represented by the formulas RSn(C≡CSiR′3)3, R′R″ACSnL3, where A is a halogen atom (F, Cl, Br or I) or an aromatic ring with at least one halogen substituent, R′R″(R″′O)CSnL3 or R′R″(N≡C)CSnZ3.