1758 results about "Inorganic particle" patented technology

An E-stone based artificial marble according to an exemplary embodiment of the present invention is formed of inorganic particles, inorganic powder, and a resin, wherein the resin is an E-stone based composition including a liquid resin and a solid powder resin or a cured product thereof.

The invention relates to the technical field of batteries, in particular to a battery. Comprising a positive plate and electrolyte, the positive plate comprises a positive current collector and a coating positioned on the surface edge of at least one side of the positive current collector along the length direction; the coating comprises filling particles, and the filling particles comprise at least one of inorganic particles and nitrogen-containing particles; the electrolyte comprises non-fluorinated cyclic carbonate and fluorinated ethyl acetate; the non-fluorinated cyclic carbonate comprises propylene carbonate and optional ethylene carbonate; on the basis of the total mass of the electrolyte, the content ratio C1 of the non-fluorinated cyclic carbonate is smaller than or equal to 25%, the content ratio C11 of the propylene carbonate is 3.1%-24.9%, the content ratio C12 of the ethylene carbonate is 0%-5%, and the content ratio C2 of the fluorinated ethyl acetate is 20.2%-70%. The battery provided by the invention can improve the problem of lithium precipitation under low-temperature discharge, and has relatively good short-circuit safety performance and relatively low high-temperature gas production rate.

The present invention provides a lightweight and thin thermal insulating / flame barrier sheet that is used between cells within a battery pack where battery cells are connected and stacked in series or parallel. This thermal insulating / flame barrier sheet has a thickness of 3 mm or less, and is obtained by papermaking process using a suspension containing 25 to 70% by weight of a silica-based inorganic fiber having a hydroxyl group; 2 to 25% by weight of a glass fiber; 5 to 40% by weight of a fibrous mineral; 3 to 20% by weight of a binder; and 0 to 45% by weight of a thermal insulating inorganic particle. The thermal insulating inorganic particle includes a hydrophilized aerogel particle obtained by treating the surfaces of hydrophobic aerogel particle having a porosity of 80% or more and an average particle size of 5 to 200 µm, with a hydrophilizing agent.

The invention provides an electrochemical device and an electronic device, the electrochemical device comprises a positive pole piece, the positive pole piece comprises a positive current collector, a first coating and a positive material layer, the first coating is arranged on the surface of the positive current collector, and the positive material layer is arranged on the surface, away from the positive current collector, of the first coating; the first coating comprises inorganic particles, and the inorganic particles comprise at least one of nano boehmite, aluminum oxide, titanium dioxide, magnesium oxide, zirconium oxide or zinc oxide; the positive electrode material layer comprises a first conductive agent, and the first conductive agent comprises a first carbon nanotube; the length of the first carbon nanotube is 2-5 [mu] m, and the diameter of the first carbon nanotube is 2-100 nm; and the ion transference number of the positive electrode material layer is 0.4-0.47. The electrochemical device provided by the invention can consider the nail penetrating safety performance, the low-temperature cycle performance and the quick charging performance.

To provide an oil-in-water type pest insect repellent composition that delivers a pleasant sensation upon application to the skin, offers excellent stability during long-term storage, and sustainedly exhibits excellent repellency against pests, particularly flying pests.SOLUTION: The present invention relates to an oil-in-water type pest insect repellent composition that contains components (A) to (E). (A) 13-50 mass% of at least one non-volatile liquid oily component selected from silicone oils, ester oils, ether oils, hydrocarbon oils, aliphatic alcohols and polyhydric alcohols; (B) 0.5-35 mass% of hydrophilic inorganic particles which have a volume-based median particle diameter of 1-40 μm and include silica particles and / or silicate mineral particles; (C) 0.1-3 mass% of one or more selected from polyether-modified silicones, polyglycerin-modified silicones, branched polyglycerol-modified silicones, alkyl glyceryl ether-modified silicones and carboxyl-modified silicones, which are liquid at 25°C; (D) 0.05-3 mass% of a thickening agent; and (E) 30-86.35 mass% of water. The viscosity of component (A) at 23°C, as measured using a B type rotary viscometer, is 1-400 mPa s. The silicone oil for component (A) does not include component (C).SELECTED DRAWING: None

The invention discloses a transparent radiation refrigeration film and radiation refrigeration ceramic for building heat management and a preparation method of the transparent radiation refrigeration film and the radiation refrigeration ceramic. According to the film and the ceramic, SiO2 nano-particles are selected as base materials for achieving radiation refrigeration, dendritic silicon oxide nano-particles are adopted as inorganic particle emission materials of the film, PDMS is adopted as a polymer matrix, ITO coating PET is adopted as a flexible substrate, DMSNs are dispersed in PDMS, and the film is formed on the ITO-PET substrate through a blade coating technology. The white or colored ceramic takes spherical SiO2 nano-particles as a radiation refrigeration material and is sintered into white SiO2 porous ceramic, namely white radiation refrigeration ceramic, through phase inversion, and then the white radiation refrigeration ceramic is colored through chemical dye to form the colored ceramic. The radiation refrigeration film is good in transparency and bright in ceramic color, both the radiation refrigeration film and the ceramic have excellent radiation refrigeration performance, the transparent film can achieve the indoor cooling effect of about 12 DEG C on sunny days, and the colored ceramic can achieve the cooling effect of about 5 DEG C on sunny days.

The invention relates to the technical field of refrigeration material preparation, in particular to an efficient passive radiation refrigeration material suitable for a sub-super environment and a preparation method and application of the efficient passive radiation refrigeration material. The method comprises the following steps: uniformly mixing thermoplastic polyurethane, sunlight high-reflection inorganic particles and a phase change material in a solvent; after a chemical foaming agent is added, the obtained suspension liquid is heated and foamed in a confinement mold, and wet gel is formed; and finally, carrying out freeze drying treatment to obtain the composite porous aerogel. The prepared material has a micro-nano porous skeleton formed by TPU, and inorganic particles and PCM are uniformly dispersed in the skeleton wall. Through component cooperation and a special porous structure, the material has extremely high sunlight reflectivity and mid-infrared emissivity, self-adaptive temperature regulation and control are achieved through PCM phase change, the problem that refrigeration of a traditional material fails in the sub-environment such as the vertical surface is effectively solved, and efficient sub-super-environment heat management is achieved.

The invention provides a secondary battery and an electronic device. The secondary battery comprises a positive pole piece, a negative pole piece, electrolyte and an isolating membrane arranged between the positive pole piece and the negative pole piece. The separator film includes a base film and an inorganic coating layer on opposite surfaces of the base film. The inorganic coating includes a plurality of inorganic particles. Dv99 of the inorganic particles is A, and the unit is [mu] m. And the porosity of the base membrane is B%. Wherein the ratio B / A of B to A is greater than or equal to 1.25 and less than or equal to 40. And the electrolyte comprises propyl propionate. Based on the total mass of the electrolyte, the mass percentage content of propyl propionate is C%, and C is more than or equal to 20 and less than or equal to 45. Through the special design of the isolating membrane and the matching of the content control of the propyl propionate in the electrolyte, the secondary battery has low impedance and high safety performance under high-temperature and high-rate charge and discharge, and can effectively prevent overcharge and improve the cycle performance of the secondary battery.

The embodiment of the invention provides an anti-dazzle low-reflection optical film and a preparation method and application thereof, and relates to the field of optical films. The anti-dazzle low-reflection optical film comprises a base material layer, an anti-dazzle layer and a low-reflection layer which are sequentially stacked from bottom to top, the low-reflection layer contains low-reflection particles, and the anti-dazzle layer contains organic anti-dazzle particles and inorganic particles. The mass concentration of the organic anti-dazzle particles close to the base material layer is larger than the mass concentration of the organic anti-dazzle particles close to the low-reflection layer, the mass concentration of the inorganic particles close to the base material layer is smaller than the mass concentration of the inorganic particles close to the low-reflection layer, and the refractive index of the low-reflection particles is larger than the refractive index of the inorganic particles and smaller than the refractive index of the organic anti-dazzle particles. Seen from the direction from the low-reflection layer to the base material layer, the refractive indexes of all the layers are gradually increased. According to the anti-dazzle low-reflection optical film and the preparation method and application thereof, the optical film achieves high haze and low reflectivity and can be applied to a strong light environment.

The invention relates to the technical field of air purification, and discloses an air purification adsorption device for a photogravure press, the air purification adsorption device comprises a waste gas treatment tank, the bottom end of the waste gas treatment tank is rotatably connected with a main shaft, and the circumferential surface of the main shaft is fixedly connected with an activated carbon filter plate; an inorganic filtering device for filtering inorganic particles is arranged in the waste gas treatment tank, and an organic desorption device for heating, desorbing and recycling organic matters is arranged on the outer side of the waste gas treatment tank. The activated carbon filter plate rotates to increase the contact area with the desorption agent, so that the desorption effect is improved, the desorption agent in the scattering cavity is intermittently scattered, the situation that the desorption agent cannot be uniformly and comprehensively scattered on the activated carbon filter plate due to the fact that the desorption agent is quickly scattered is prevented, and the desorption efficiency is improved after the activated carbon filter plate is in uniform contact with the desorption agent.

The invention discloses a preparation method of a plugging type filtrate reducer used in a high-temperature drilling fluid, and the method comprises the following steps: carrying out first mixing on biomass and water to obtain a first suspension; carrying out second mixing on the first suspension liquid and nano inorganic particles to obtain a second suspension liquid; carrying out hydrothermal carbonization reaction on the second suspension to obtain a first reaction product; and cleaning, drying and crushing the first reaction product to obtain the filtrate reducer. Compared with the traditional filtrate reducer, the ultrahigh-temperature micro-nano plugging filtrate reducer for the water-based drilling fluid provided by the invention cannot be degraded and damaged at high temperature, and the filter loss of the drilling fluid before and after ultrahigh-temperature action is effectively controlled. The high-temperature-resistant fluid loss additive has excellent fluid loss control performance at high temperature, can effectively control the fluid loss additive of the water-based drilling fluid, can resist the temperature of 220 DEG C, and has the fluid loss reduction rate of 60%. Meanwhile, the raw materials are wide in source, low in cost and good in environmental protection performance.

To provide a method for producing a heat transfer suppression sheet that can provide strength to retain a shape of a heat transfer suppression sheet and that can provide a high inorganic particle retention performance, thereby maintaining an excellent heat insulation performance. The method for producing a heat transfer suppression sheet includes a processing step of processing, by a dry method, a mixture containing an inorganic particle (4) and a binder fiber (3) having a core-sheath structure into a sheet. The binder fiber (3) having a core-sheath structure includes a core portion (1) extending in a longitudinal direction, and a sheath portion (2) formed to cover an outer peripheral surface of the core portion (1). A melting point of a first organic material constituting the core portion (1) is higher than a melting point of a second organic material (7) constituting the sheath portion (2).

The invention discloses a composite insulating arm surface repairing material and a repairing method, and the repairing material comprises the following raw material components in parts by weight: 100 parts of matrix resin, 0.8-4 parts of a curing agent, 0.2-1.2 parts of an accelerant, 5-20 parts of color paste, 10-25 parts of inorganic particles, and 10-25 parts of inorganic fibers. The repairing material is simple in preparation method and convenient to use, according to the repairing method, the repairing material is used for replacing gel coat spraying repairing, the operation difficulty is low, the repairing duration is shortened, the repairing efficiency is improved, and all technical indexes of the repaired insulating arm component can meet the use requirements.

The invention discloses an environment-friendly nano antibacterial PE (polyethylene) wood-plastic plate, which is prepared from wood flour, silane modified PE gel, glass fiber powder, nano cellulose, borax, acrylate resin and PE wax. According to the invention, through chemical bond connection between the silane modified PE gel and inorganic particles such as the glass fiber powder and the nano cellulose, and a toughening effect of the acrylate resin, mechanical properties such as tensile strength, bending strength and impact strength of the plate are greatly improved; through use of high-crystallinity nano-crystalline cellulose and modified wood flour, the hydrophobicity of the material is improved, meanwhile, due to the fracture and repair mechanism of boric acid ester bonds, the network structure is compact, water is difficult to permeate into a cross-linked network of PE / wood flour, and thus the water resistance of the board is improved; phosphonic acid and quaternary phosphonium salt ionic liquid in the silane modified PE gel have lasting antibacterial property; and the balance of water permeability and waterproofness is realized through a process of combining cross-linked gel, evaporation hole making and hot press molding.

The present invention relates to a modified inorganic particle doped water-based paint and a preparation method thereof, belonging to the technical field of water-based paint. The raw materials for preparing the water-based paint include, by weight, 35-50 parts of water-based acrylic resin, 5-10 parts of modified inorganic particles, 8-12 parts of polyvinyl alcohol, 0.1-0.5 parts of defoaming agent, and 0.1-0.5 parts of dispersant; the modified inorganic particles are obtained by mixing nano titanium dioxide flame retardant particles, organic acid and biomass and then subjecting them to hydrothermal treatment, and the nano titanium dioxide flame retardant particles are obtained by subjecting polyimide particles and nano titanium dioxide particles to thermal treatment. The modified inorganic particles proposed by the present invention have good dispersibility and strong interaction force with the water-based paint matrix. Nano titanium dioxide is used instead of nano alumina, applied to water-based paint, and the flame retardancy of the water-based paint is increased. Organic acid, biomass powder and nano titanium dioxide flame retardant particles are used for hydrothermal treatment to increase the antibacterial durability of the water-based paint.

To provide a separator for a non-aqueous secondary battery which is excellent in thermal dimensional stability and adhesion to an electrode, and improves battery cycle characteristics and impact resistance.SOLUTION: A separator for a non-aqueous secondary battery includes a porous base material, a heat-resistant layer which is arranged on one side or both sides of the porous base material, and contains inorganic particles and a binder resin, and an adhesive layer which is arranged on one side or both sides of the laminate of the porous base material and the heat-resistant layer, and contains a polyvinylidene fluoride-based resin, wherein the mass ratio of the inorganic particles in the heat-resistant layer is 95 mass% or more, the average primary particle diameter of the inorganic particles contained in the heat-resistant layer is 0.01 μm to 0.30 μm, and the adhesive layer has a porous structure such that fibrils containing the polyvinylidene fluoride-based resin are connected to each other in three-dimensional meshes.SELECTED DRAWING: Figure 1

The inorganic particle according to the present invention is composed of aggregation of crystalline and amorphous small particles and has a spherical and smooth surface. The spherical appearance, low crystallinity and narrow particle size distribution of inorganic particle are more advantageous in reducing scratch defects in the CMP process. In addition, since the small particles on the surface of the inorganic particle provide more active sites, the inorganic particle has an excellent removal rate, so it is advantageous as a next-generation CMP abrasive.

The present disclosure relates to a separator, an electrode assembly including the same, and an electrochemical device, and the separator according to one embodiment of the present disclosure comprises a porous substrate and a porous coating layer on each of both surfaces of the porous substrate, the porous coating layer comprising inorganic particles, in which a total thickness of the separator remains constant throughout the separator, wherein an aspect ratio of the separator is 1 or more, and wherein an interface between each of the porous coating layers and the porous substrate has a curved shape protruding toward the porous substrate based on a width direction of the separator.

Provided are an all-solid-state secondary battery and a method for manufacturing the all-solid-state secondary battery, the all-solid-state secondary battery having a battery element member including one or more groups of battery cells in which at least a negative electrode active material layer, a solid electrolyte layer, and a positive electrode active material layer are laminated in this order, wherein the battery element member has, at an end portion thereof, an insulating coating body that coats at least a side surface of the battery element member, and the insulating coating body is configured from a mixture of a resin material that melts in a temperature region of 300 DEG C or less and insulating inorganic particles that do not melt at 350 DEG C; the method for manufacturing the all-solid-state secondary battery includes: a step for disposing a mixture of a resin material that melts in a temperature region of 300 DEG C or less and insulating inorganic particles that do not melt at 350 DEG C at an end portion of the battery element member; and a step for heating the mixture at a temperature at which the resin material melts and pressurizing the mixture toward the inside of the battery element member.

The invention discloses a high-resilience eTPU foaming material and a preparation process thereof, and belongs to the technical field of foaming materials. The process comprises the steps of raw material premixing and TPU chain extension reaction, precursor system injection, in-situ phase change energy storage core-shell particle generation, supercritical two-fluid foaming and molding post-treatment. Wherein the SiO2-coated TiO2 core-shell particles are prepared by a non-hydrolytic sol-gel method, the porous SiO2 core adsorbs and fixes the micro-crosslinked polyurethane-based phase change material, the TiO2 shell provides sealing and supporting, the particles are combined with the TPU matrix through covalent bonds, and the micro-crosslinked polyurethane-based phase change material has a unique micro-crosslinked network structure, so that the thermal conductivity of the TPU matrix is improved, and the thermal conductivity of the TPU matrix is improved. The hidden danger of leakage of the phase change material in the using process can be effectively eliminated, and meanwhile the interface bonding effect between the inorganic particles and the TPU matrix is synchronously enhanced. The eTPU foaming material prepared by the invention has the characteristics of high resilience, strong interface bonding, excellent energy storage stability and low compression set, and is suitable for shoe materials, automotive interiors and other scenes.

Provided is an inorganic particle-dispersed slurry composition which has excellent storage stability and printability, is capable of promoting a debinding treatment even at low temperatures, is capable of suppressing oxidation of inorganic particles, has little residual carbon after firing, has excellent sinterability, and is capable of obtaining a highly reliable electronic component. Also provided is a method for producing an inorganic sintered body using the slurry composition. The present invention is an inorganic particle dispersed slurry composition containing a binder resin (A), inorganic particles (B), and a solvent (C), and further containing a carboxylic acid anhydride having a boiling point of 200 DEG C or more and an oxygen atom content of 40 wt% or more as a debinder aid (D).

A photopolymerizable compound (A) and inorganic particles (B), and exhibiting good curability in a case that an initiator is added; a photosensitive composition including a photopolymerizable compound (A), inorganic particles (B), and an initiator (C), and exhibiting good curability; and a cured product of the photosensitive composition are provided. A compound having a specific structure including a radically polymerizable group-containing group is used as a photopolymerizable compound (A) in a composition including the photopolymerizable compound (A) and metal oxide particles (B), or a photosensitive composition including the photopolymerizable compound (A), metal oxide particles (B), and an initiator.

The invention provides a positive pole piece, an electrochemical device and an electronic device, the positive pole piece comprises a positive current collector, a first coating and a positive material layer, the first coating is arranged on the surface of the positive current collector, the positive material layer is arranged on the surface, away from the positive current collector, of the first coating, and the first coating comprises inorganic particles and a first binder, the inorganic particles have a Dv50 of 50 nm to 500 nm, and the first coating layer has a thickness of 0.2 [mu] m to 2 [mu] m. The safety performance and the cycle performance of the electrochemical device can be improved.

The invention relates to the field of food packaging and coatings, and provides a bio-based fluoride-free environment-friendly oil-proof agent for food packaging paper and paperboards, which is simple in preparation process, green and environment-friendly and has the bio-based raw material proportion of 70% or above. The bio-based fluoride-free environment-friendly oil-proof agent is characterized in that the bio-based fluoride-free environment-friendly oil-proof agent is prepared by synergistic micro-nanocrystallization of paper pulp fibers, starch and inorganic particles under the action of high-speed shearing and grinding; the prepared oil-proof agent can be coated on the surfaces of sized or unsized paper, paperboards and paper pulp molded products by a conventional coating method, the coated finished product has good oil-proof performance, the coating weight is 1.5-15g / m < 2 >, and the oil-proof grade tested by a Kit method after drying can reach 12 grade to the maximum. Compared with a fluoride-free oil-proof agent on the market at present, the bio-based fluoride-free environment-friendly oil-proof agent disclosed by the invention can obtain good oil-proof performance under a relatively low coating weight, is biodegradable and is easy to recycle and reuse.

The invention discloses a water body particulate phosphorus tracing method and electronic equipment. The method comprises the following steps: acquiring data of particulate matters from multiple sources in a research area; performing composite fingerprint factor analysis on the inorganic particles to obtain inorganic particle state phosphorus contribution rates of multiple sources; performing isotope analysis on the organic particulate matters to obtain contribution rates of organic particulate phosphorus from multiple sources; determining the adsorption-desorption balance rate of the particles from the plurality of sources to phosphorus; and calculating the relative contribution rate of the particulate phosphorus of each source based on the contribution rate of the inorganic particulate phosphorus of the multiple sources, the contribution rate of the organic particulate phosphorus of the multiple sources and the adsorption-desorption equilibrium rate of the particulate matters of the multiple sources to the phosphorus. According to the method, the multi-parameter advantage of the composite fingerprint factor and the specificity of the isotope technology are combined, so that the tracing accuracy and feasibility of the particulate phosphorus in the water body are improved, more accurate tracing information is provided, and the high-precision identification of the source of the particulate phosphorus in inorganic and organic particulate matters is realized.

To provide glass fiber yarn and a method for manufacturing the same.SOLUTION: A method for manufacturing glass fiber yarn comprises a coating step of coating a molybdenum compound on the surfaces of inorganic particles to form the surface-treated inorganic particles; a sintering step of sintering the surface-treated inorganic particles on a temperature condition of 400 to 1,000°C in a nitrogen gas atmosphere; a mixture step of mixing the surface-treated inorganic particles into a molten glass raw material; and a spinning step of spinning the molten glass raw material including the surface-treated inorganic particles to form glass fiber yarns.SELECTED DRAWING: Figure 1

The invention relates to the technical field of release films, and particularly discloses a master batch for release and a self-release base film prepared from the master batch. The master batch for release is prepared from the following raw material components in parts by weight: 90 to 110 parts of ester, 0.2 to 1.0 part of inorganic particles, 1 to 5 parts of silicone oil, 5 to 15 parts of modified polyolefin, 0.2 to 3.0 parts of tackifier, 0.2 to 1.5 parts of graft copolymer and 0.2 to 1.5 parts of multi-block polymer, the ester comprises the following raw materials: acid, alcohol ester, a catalyst and a solvent. The self-release base film comprises two outer layers and a middle layer arranged between the two outer layers, the raw materials of the outer layer comprise the master batch for release and a slice, and the master batch accounts for 5-30% of the raw materials of the outer layer by weight; the slices comprise one or more of PET slices, semi-dull slices, silicon-containing PET slices and polyester slices.

A printed wiring board includes a first conductor layer, a resin insulating layer having an opening, a second conductor layer including a seed layer and an electrolytic plating layer formed on the seed layer, and a via conductor including the seed and electrolytic plating layers and connecting the first and second conductor layers. The seed layer has a first portion on the surface of the insulating layer, a second portion on an inner wall surface in the opening of the insulating layer, and a third portion on a portion of the first conductor layer exposed by the opening of the insulating layer such that the first portion is thicker than the second and third portions, and the insulating layer includes resin and inorganic particles including first particles forming the inner wall surface and second particles embedded in the insulating layer and having shapes different from shapes of the first particles.

The present invention provides a lightweight and thin thermal insulating / flame barrier sheet that is used between cells within a battery pack where battery cells are connected and stacked in series or parallel. This thermal insulating / flame barrier sheet has a thickness of 3 mm or less, and is obtained by papermaking process using a suspension containing 25 to 70% by weight of a silica-based inorganic fiber having a hydroxyl group; 2 to 25% by weight of a glass fiber; 5 to 40% by weight of a fibrous mineral; 3 to 20% by weight of a binder; and 0 to 45% by weight of a thermal insulating inorganic particle. The thermal insulating inorganic particle includes a hydrophilized aerogel particle obtained by treating the surfaces of hydrophobic aerogel particle having a porosity of 80% or more and an average particle size of 5 to 200 μm, with a hydrophilizing agent.

The invention belongs to the technical field of high polymer materials, and particularly relates to a PET decorative film and a preparation method thereof. The preparation method comprises the following steps: synthesizing hydroxyl-terminated hyperbranched polyester by taking pentaerythritol and 2, 2-dimethylolpropionic acid as raw materials, and reacting with polyol glycidyl ether to prepare an epoxy-terminated organic modifier; silver-loaded nano silicon dioxide subjected to surface treatment by an amino silane coupling agent is used as inorganic functional particles; pET resin, an organic modifier and inorganic functional particles are subjected to melt blending and extrusion granulation, and modified PET is prepared; the modified PET is prepared into the film through a two-way stretching process. Epoxy groups of the organic modifier chemically react with amino groups at the tail end of a PET molecular chain and on the surfaces of inorganic particles respectively, a stable organic-inorganic hybrid network is constructed, synergistic improvement of reinforcement, toughening and long-acting antibiosis is achieved, and the technical problems that functional particles are not uniform in dispersion, interface bonding is weak, and antibacterial components are prone to migration are effectively solved.