23 results about "Chemical combination" patented technology

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

The application discloses a kind of based on hydration calcium silicate and polycrystalline fiber composite board and preparation method, belong to inorganic fireproof heat insulation board technical field. Including board body, the board body is by following component weight parts constitutes: calcium source 25-45 parts, silicon source 30-55 parts, polycrystalline fiber 5-25 parts, interface modifier 0.5-3 parts, dispersing agent 0.1-1 part, foam stabilizer 0.1-0.5 parts, water 150-300 parts;The calcium source and silicon source hydrothermal reaction generate hydration calcium silicate crystal, the hydration calcium silicate crystal is mutually interwoven and forms porous matrix skeleton, the polycrystalline fiber disperses in the porous matrix skeleton, the hydration calcium silicate crystal in-situ growth on polycrystalline fiber surface, and forms chemical combination layer with polycrystalline fiber.The based on hydration calcium silicate and polycrystalline fiber composite board and preparation method of the application, the prepared board has excellent fireproof heat insulation performance, while having good mechanical toughness, impact resistance and high temperature long-term stability.

The application discloses a kerosene gel propellant and a preparation method thereof, and belongs to the technical field of propellants. The propellant provided by the application comprises the following components in mass ratio: kerosene 37wt.%-68wt.%, modified boron 30wt.%-60wt.%, and gelling agent 2wt.%-5wt.%. The modified boron is halogen alkyl silane functionalized boron obtained by chemical combination of halogen alkyl silane and boron, and the halogen alkyl silane functionalized boron comprises a -B-O-Si- framework. The stable and controllable coating layer is obtained on the surface of boron particles by modifying the boron through halogen alkyl silane functionalization, and the higher content of boron particles is stabilized in kerosene. In addition, the high active halogen free radicals can be generated in the combustion process, the ignition and combustion of boron are accelerated, and the carbon deposition effect of kerosene hydrocarbons is reduced. The propellant has higher stability, excellent ignition performance and higher combustion efficiency.

The present application relates to the technical field of bridge and tunnel seamless splicing, and particularly relates to a super-tough cement seamless splicing structure and a construction method. Technical points of the present application are as follows: the super-tough cement seamless splicing structure is arranged in a road surface cushion structure, and is a seamless splicing structure composed of a base layer, a road surface cushion, a super-tough cement structure, a paving surface layer and a filling sealing strip; rough glue surface splicing is adopted, concave-convex rough surfaces and an interface agent are used, a physical-chemical combination mode is adopted to strengthen the connection, and a wedge-shaped clamping groove limiting and fixing and staggered structure are arranged; the super-tough cement splicing material comprises dry mixture, nano active powder, composite fiber, additive and water; the high-strength interface agent comprises two components of epoxy resin and curing agent. The super-tough cement seamless splicing structure provided by the present application is suitable for bridge and tunnel engineering construction, can meet the demand of long-life seamless pavement, and provides reliable guarantee for driving safety and comfort performance.

A method, apparatus, system, and compositions for introducing diversion agents into a subterranean formation traversed by a wellbore with a heat transfer surface, including forming a first fluid comprising a diversion agent, introducing the first fluid into a region of the formation wherein the heat transfer surface is higher than if no agent were present, and introducing a second fluid for collecting heat from the formation. A method, apparatus, system, and compositions for introducing diversion agents into a subterranean formation traversed by a wellbore with a heat transfer surface, including forming a first fluid comprising a diversion agent, introducing the first fluid into a region of the formation wherein the formation is at least 350° F. and wherein the agent maintains its mechanical integrity at least 2 hours, and introducing a second fluid to the formation.

A method for completely or partially dissolving lignin in trees by supplying a chemical composition comprising a lignin-dissolving enzyme to living trees during a period of time prior to the tree dying. In a first embodiment of the method, the chemical composition is supplied during a period of time prior to felling. In a second embodiment, the chemical composition is supplied in connection with felling. In a third embodiment, the chemical composition is supplied to the tree or parts of the tree after the tree has been felled but before the tree has died.

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

The application belongs to the technical field of batteries, and provides a ternary composite interface layer, a preparation method thereof and a composite pole piece. g The ternary composite interface layer comprises the following components in mass fractions: a high polymer binder with a glass transition temperature T ‑4 ≥200℃ of 5-20 parts, an ionic liquid plasticizer obtained by mixing a lithium salt and an ionic liquid of 10-30 parts, and inorganic ceramic fillers of 1-10 parts; the molar concentration of the lithium salt in the ionic liquid plasticizer is 0.1-5.0 mol / L. The ternary composite interface layer can not only form a firm physical and chemical combination with the separator and the active material layer of the pole piece, significantly improving the peeling strength, but also achieve an ionic conductivity at room temperature of the order of 10 ‑4 S / cm, significantly reducing the interface impedance of the battery. The thermal shrinkage rate of the ternary composite interface layer at 180℃ can be as low as 0.5%, the high-temperature dimensional stability is excellent, the thermal safety performance of the battery is greatly improved, and the ternary composite interface layer has a very broad application prospect.

The invention relates to a tubular composite fixed defoaming device and a defoaming method, which are used for defoaming shale gas produced liquid. The device comprises a tubular shell, a shale gas produced liquid inlet is formed in one end of the tubular shell, an outlet is formed in the other end of the tubular shell, and a three-stage defoaming structure of a Laval pipe assembly, a defoaming barrel and a cyclone which are sequentially arranged in the flowing-in direction of the shale gas produced liquid is arranged in the tubular shell. Compared with the prior art, physical and chemical combined defoaming is adopted, a filling device, a power source and ground construction do not need to be matched, the earlier-stage investment is reduced, the device does not need to be maintained and inspected, operation is not affected by low temperature, only the defoaming rods need to be regularly filled, and the defoaming efficiency is greatly improved. And the system can be combined with existing shale gas production platform equipment, so that the dependence of a foam drainage process on water resources is reduced.

The present invention is directed to novel chemical compositions of matter, and in particular a novel MDMA class of compounds MDMA analogs having 1,3-benzothiazoles substituted at the 5 and 6-position with a MDMA basic or modified side chain.

The application provides a toughened Si3N4 / Ti network structure ceramic and a preparation method thereof, and belongs to the technical field of ceramic materials. The application mixes silicon nitride powder and a sintering aid, and then pre-sintering is performed to obtain pre-sintered powder; the pre-sintered powder is mixed with Ti metal powder to obtain coated powder with a double-shell structure; and the coated powder with the double-shell structure is sequentially pre-pressed and SPS sintered to obtain the toughened Si3N4 / Ti network structure ceramic. In the SPS sintering process, Ti reacts with the matrix or nitrogen to generate TiN in situ by using Ti metal powder, a strong chemical bond is formed between the in-situ generated TiN and the Si3N4 matrix, a hard intermediate layer with strong chemical combination is formed, the metal / ceramic interface bonding force is enhanced, the interface peeling problem caused by expansion mismatch is avoided, the interface bonding strength is extremely excellent, and the problem of thermal mismatch peeling does not exist.

A process for chemical recycling, wherein the process involves the steps of:i. supplying a composition of polymers;ii. subjecting the composition of polymers to a thermal treatment to obtain a pyrolysis oil;iii. optionally, subjecting the product obtained in step ii. to a hydrotreatment process;iv. subjecting the product obtained in step ii., or, when applied, the product obtained in step iii. to a thermal decomposition process, to obtain a chemical composition including ethylene and propylene;wherein the composition of polymers includes at most 10 ppm by weight of chlorine atoms, with regard to the total weight of the composition of polymers;wherein the composition of polymers includes polyolefin materials including one or more stabilisation compound(s), wherein the stabilisation compound(s) are selected from non-chlorine containing benzotriazole compounds, non-chlorine containing triazine compounds, and non-chlorine containing hydroxyl benzophenone compounds.

The present application relates to the technical field of building materials, and particularly relates to a multifunctional polyurethane foaming material for building materials and a preparation process thereof. The foaming material is prepared by components A and B in a specific ratio. The core is to perform double functional silane modification on hollow glass microbeads, introduce reactive epoxy groups and hydrophobic alkyl groups, and combine with alumina nanoparticles with epoxy groups on the surface, so as to significantly improve the interface compatibility and chemical combination of the filler and the bubble wall, avoid stress concentration and micro void generation. At the same time, the interface stress can be relieved, and the dimensional stability and thermal performance can be improved. The material has low density, high strength, excellent thermal insulation, good dimensional stability and flame retardant performance, and is suitable for multifunctional requirements such as building thermal insulation, and is superior to the traditional system.

The application belongs to the technical field of fishing rods, and discloses a production method of light-weight insulating high-strength fishing rod material. A large number of amino active groups are introduced on the surface of carbon fiber fabric treated by a coupling agent, and after glue dipping treatment, chemical combination with epoxy resin impregnated material occurs, the interface gap between the two is reduced, the interface combination of the fiber and the resin is increased, and the insulation of the fishing rod is reduced. Zinc oxide is low in price and has good insulation. The surface of zinc oxide particles and carbon fibers is treated respectively, and the zinc oxide and the carbon fibers are chemically bonded through optimization of the ratio and chemical reaction, so that the insulation of the light-weight insulating high-strength fishing rod material is improved. The light-weight insulating high-strength fishing rod material is prepared through cloth cutting, curing, core removal and other production processes, and the occurrence of leisure fishing lightning stroke and electric shock accidents can be greatly avoided. The light-weight insulating high-strength fishing rod material has good tensile strength, toughness and elasticity, and the elastic recovery rate reaches 98%. The fishing rod adopts a high polymer composite material, and has good overall insulation performance and high safety performance.

A system for determining catalytic properties of chemical compositions, the system comprising: a catalyst synthesis module for synthesizing chemical compositions, the catalyst synthesis module configured to synthesize the chemical compositions from one or more of a plurality of pre-set base materials and by processing the base materials under one or more of a plurality of processing conditions; a catalyst analysis module for analyzing catalytic properties of the synthesized chemical compositions under one or more of a plurality of test conditions and outputting analysis results; a control module for controlling the catalyst synthesis module, wherein the control module is configured to determine, based on the analysis results output by the catalyst test module for a previous chemical composition, a base material composition, a processing condition and / or a test condition for a next chemical composition to be synthesized.

A chemical composition for a degradable polymeric material includes an isocyanate terminated polyester, polycarbonate, or polyether prepolymer, including prepolymer units as a main chain with a plurality of isocyanates at ends of the main chain, a catalyst additive, and a cross-linking agent. The composition degrades at a rate and at a delay depending on temperature. The composition is a dissolvable rubber material with a modulus and elongation suitable for a component of a downhole tool.

The application discloses a preparation method of a dry-process electrode nanometer binder and application thereof and belongs to the technical field of battery materials. The branched nanometer composite with excellent dispersibility and adhesion is formed by blending a polymer binder and a nanometer conductive agent in a solution and through subsequent treatment, and the polymer is coated on the surface of the conductive agent; the dry-process electrode can be directly prepared by mixing the dry powder form with an active material, is more environmentally friendly; through the processes of electrostatic spraying and hot-pressing forming, the nanometer composite binder can form a firm physical / chemical combination between the active material, the conductive agent and the current collector, improve the mechanical strength of the electrode pole piece and the adhesion to the current collector, and reduce the falling; the uniform conductive network and the stable structure are favorable for reducing the internal resistance of the electrode, promoting the rapid transmission of ions and electrons, thereby improving the rate performance, the cycle stability and the energy density of the battery, and are favorable for precisely controlling the thickness, the porosity and the density of the electrode and improving the controllability of the microstructure of the electrode.

The invention relates to a chemical composition, an optoelectronic component (10) comprising at least one chemical composition of this type, and a use of at least one chemical composition of this type in an optolectronic component (10).

The application relates to the field of metal-based core-shell composite materials, and particularly discloses a FeCo@BN core-shell structure composite material and a preparation method thereof. The FeCo alloy powder in a sheet shape is taken as a core, and BN ceramic powder is coated on the outer surface to form a core-shell structure; the optimal particle size of BN is 500 nm, the particle size has dispersibility and adhesion, can solve the problems of easy agglomeration of 100 nm BN and poor adhesion of 1 mu m BN, and can further form a dense coating layer; a combination process of dry grinding and wet grinding is designed in the process, the dry grinding ensures complete alloying of Fe and Co, the wet grinding precisely controls the sheet shape of FeCo, mechanical embedding and chemical combination of BN and FeCo are realized through plasma-assisted ball milling, the firmness of the coating layer is improved, the heat treatment temperature is optimized, the interface gap filling and FeCo oxidation control are balanced, and the performance of the composite material is maximized through the linkage of the four processes.

This disclosure provides agrochemical compositions that release active ingredients and methods of manufacturing and using the same. In embodiments, the present disclosure relates to agrochemical compositions comprising controlled-release semiochemical compositions contained within a crosslinked matrix. In embodiments, the active ingredient comprises a pheromone.

To provide a chemical liquid composition which has a preferable foaming ratio, and reduces a reaction temperature dependency for preventing foaming failure, an expanded body and a production method of the same.SOLUTION: There is provided a chemical liquid composition for injection into soil which is formed of: two kinds of liquid which are A liquid and B liquid. The A liquid includes: a water soluble silicate; polyol; and a catalyst. The B liquid includes polyisocyanate, and includes as catalysts, two kinds of tertiary amines which are a first tertiary amine having a hydroxy group and a second tertiary amine having no hydroxy group. The polyol is polyol whose number average molecular weight is greater than 200. An expanded body is obtained by mixing the A liquid and the B liquid forming the chemical liquid composition for injection into soil. A production method of the expanded body forms the expanded body by mixing the A liquid and the B liquid forming the chemical liquid composition for injection into soil.SELECTED DRAWING: None

The application provides an interface optimization and low-temperature forming method of solid waste-based high-thermal-conductivity heat storage material, which comprises the following steps: coal gangue powder with a preset particle size range is immersed in a titanium / silicon bifunctional coupling liquid, and a quaternary covalent bond interface transition layer is constructed on the surface of the powder through step-by-step hydrolysis; in the interface transition layer, the thermal expansion coefficient decreases gradually from the outside to the inside of the transition layer, so as to realize thermal matching with the matrix; surface modified flakes and nano orientation agents are added to the matrix slurry and uniformly dispersed; then, the flake layers are arranged vertically to the heat flow direction by applying a pulse magnetic field before the slurry is solidified; through a low-temperature pressure densification process, the activation energy of interface atomic diffusion is reduced by using the surface hydroxyl dynamic recombination mechanism mediated by water molecules, and the efficient diffusion and strong chemical combination of the interface transition layer at a lower temperature are promoted. One technical effect of the application is that the interface failure and low-temperature forming problem of the solid waste-based heat storage material are better solved.

This application provides a method, apparatus, equipment, and storage medium for intelligent dosing of water treatment chemicals, belonging to the field of wastewater treatment technology. The method includes: preprocessing multidimensional water quality data to obtain standardized water quality datasets corresponding to different treatment units; for the current treatment unit, based on the standardized water quality dataset and wastewater flow rate, and through a corresponding preset sub-model, obtaining an initial chemical combination set corresponding to the current treatment unit; determining the objective function for chemical dosing of the current treatment unit based on independent basic dosage and process correlation parameters; based on the objective function, iteratively optimizing the initial chemical combination set using a particle swarm optimization algorithm to obtain a target chemical combination set, and dosing chemicals based on the target chemical combination set. The intelligent dosing method, apparatus, equipment, and storage medium for water treatment chemicals provided in this application can solve the problem of not being able to guarantee the efficient and reliable operation of wastewater treatment.