24 results about "Inorganic matrix" patented technology

The invention discloses an up-conversion material, a preparation method thereof, an up-conversion adhesive film and a solar cell. The upconversion material comprises rare earth element-inorganic matrix composite particles and a surface modifier coating the surfaces of the rare earth element-inorganic matrix composite particles; the surface modifier is a silane coupling agent and / or polyethylene glycol; the rare earth element-inorganic matrix composite particles comprise an inorganic matrix and rare earth element ions; the inorganic matrix is selected from one or more of SrF2, BaF2, NaYF4, NaLaF4, NaY (WO4) 2, KY (WO4) 2, TiO2, Y2O3, YVO4 and LaVO4; the inorganic matrix is selected from one or more of SrF2, BaF2, NaYF4, NaLaF4, NaY (WO4) 2, KY (WO4) 2; the rare earth element ions are composed of Yb < 3 + > as a first rare earth element ion and one or more ions selected from Er < 3 + >, Pr < 3 + >, Ho < 3 + > or Tm < 3 + > as a second rare earth element ion. The upconversion material prepared by the invention has high efficiency and stability.

This invention discloses an inorganic stone with a granite-like texture and its preparation method, belonging to the field of building materials technology. The modified reinforcing fibers of this invention have higher surface active sites, effectively enhancing the interfacial bonding force between the modified reinforcing fibers and the inorganic matrix. By compounding polyvinyl alcohol fibers, silicon carbide fibers, and basalt fibers of different grades, a multi-layered, multi-dimensional spatial network structure is constructed in the matrix, working synergistically to achieve significant reinforcement. This invention uses butylated hydroxytoluene and nano-titanium dioxide to modify styrene-butadiene emulsion, improving the compatibility of the modified styrene-butadiene emulsion with inorganic hydration products. The organic-inorganic interpenetrating network structure formed after curing further enhances the toughness and impermeability of the inorganic stone. Overall, it yields a dense, smooth, low-water-absorption, high-gloss, and mechanically excellent granite-like inorganic stone, meeting the requirements for high-performance environmentally friendly imitation stone materials.

The invention relates to the technical field of decorative materials, in particular to ultra-light, sound-absorbing and heat-insulating soft porcelain and a preparation method thereof. The ultra-light, sound-absorbing and heat-insulating soft porcelain is prepared from the following raw materials in parts by weight: 120 to 145 parts of compound polymer emulsion, 190 to 230 parts of inorganic matrix, 280 to 350 parts of quartz sand, 70 to 140 parts of hollow microspheres, 2 to 4 parts of bentonite, 7 to 11 parts of flame retardant, 2 to 4 parts of chopped fiber, 0.5 to 1.5 parts of wetting dispersant, 0.1 to 0.5 part of organic silicon defoaming agent, 0.5 to 2 parts of inorganic pigment and 200 to 240 parts of diluent. The ultra-light, sound-absorbing and heat-insulating soft porcelain is prepared through segmented baking, ordered feeding and low-speed stirring technologies, the triple targets of ultra-light weight, heat insulation and sound absorption are achieved, and the water absorption rate, durability and flexibility far exceed the standard requirements.

The invention discloses a bio-based composite hierarchical pore oil absorption particle and a preparation method thereof, relates to the technical field of oil absorption materials, and aims to solve the problems of single pore structure, poor mechanical strength, low oil removal rate, insufficient environmental protection property and the like of the existing oil absorption material. The oil absorption particle is prepared from the following components in parts by weight: 40-60 parts of an inorganic matrix, 20-40 parts of a bio-based component, 1-5 parts of a hydrophobic modifier and 1-3 parts of a binder, the inorganic matrix is selected from silicate, diatomite and the like, the bio-based component is preferably compounded by lignin and rice hull powder according to a ratio of 1: 1, the hydrophobic modifier is KH-550, stearic acid and the like, and the binder is polyvinyl alcohol or sodium carboxymethyl cellulose. The preparation method comprises the following four steps: pulping, granulating and drying, roasting and hydrophobic modification, namely mixing the inorganic matrix and the bio-based component, pulping, granulating and drying, roasting at 350-500 DEG C to form an inorganic-bio-based interpenetrating network structure and a hierarchical pore composite framework, and carrying out gas-phase or liquid-phase hydrophobic modification to obtain a finished product. The oil absorption rate of the product reaches 1.8-2.5 g / g, the mechanical compression deoiling rate after adsorption saturation is larger than 90%, the single compressive strength is larger than or equal to 6.1 N, and the core performance of efficient oil absorption and high mechanical strength is achieved; the renewable bio-based component is introduced, the 60d biodegradation rate is 82%-90%, the solid waste is common solid waste, and secondary pollution is avoided; and the component ratio and process parameters can be flexibly adjusted, and the oil stain treating agent is suitable for industrial / environment-friendly oil stain treatment scenes such as oil-containing wastewater treatment and offshore oil spill cleaning, and has remarkable practical value and environment-friendly significance.

This invention discloses an inorganic powdered aromatherapy coating and its preparation and application methods. The coating comprises the following raw materials in weight percentages: slaked lime powder: 50%–65%; glutinous rice extract: 10%–18%; short-cut hemp fibers (80-120 mesh): 5%–10%; short cotton fibers (100-150 mesh): 3%–8%; natural mineral fillers: 5%–12%; composite fragrance powder: 8%–15%; nano-silica: 0.5%–2%; and natural plant adhesives: 0.5%–2%. This invention utilizes modern microencapsulation technology, fiber orientation process, and optimized inorganic matrix formulation to prepare the inorganic powdered aromatherapy coating. This coating not only provides a long-lasting, health-beneficial aroma release but also allows for the creation of various modern artistic textures through application techniques, achieving a deep integration of material and aesthetics. It is suitable for the restoration of ancient buildings, Chinese garden architecture, and interior wall decoration of health-oriented living spaces.

The application discloses a kind of water removing agent and its preparation method and application.The water removing agent of the present application is a composite water removing agent composed of inorganic matrix calcium oxide, silicon oxide and activated carbon;Among them, the content of calcium oxide is 21-53wt%, the content of silicon oxide is 18-50wt%, and the content of activated carbon is 29-61wt%.The water removing agent of the present application can remove trace water in cumene hydroperoxide.The water removing agent has the advantages of good water removal effect, low cost and stable performance.

The invention provides matte varnish and a preparation method thereof, the matte varnish comprises the following raw materials in parts by mass: 50 parts of waterborne acrylic resin, 5-15 parts of a modified matting agent, 0.05-0.2 part of a defoaming agent, 1-2 parts of a coalescing agent, 0.2-1 part of a thickening agent, 0.1-0.2 part of a pH regulator, and 40-60 parts of water; the modified matting agent comprises an inorganic matrix and an organic / silica composite layer coating the surface of the inorganic matrix; wherein the inorganic matrix comprises talcum powder and barium sulfate; the organic / silica composite layer comprises a sodium lignin sulfonate layer and a silica structure formed by curing water glass. Through the multi-stage coarse structure design of the modified matting agent, the prepared matt varnish has excellent matt performance, and can be widely applied to coating scenes with high requirements on matt effect.

The present disclosure relates to a process for forming a catalyst article comprising: (a) forming a plastic mixture having a solids content greater than 50 wt.% by mixing together a crystalline small or medium pore molecular sieve in the H + or NH4 + form, an insoluble active metal precursor, an inorganic matrix component, an organic adjuvant, an aqueous solvent, and optionally an inorganic fiber; (b) molding the plastic mixture into a shaped article; and (c) calcining the shaped article to form a solid catalyst body. The present disclosure further relates to a catalyst article, in particular a catalyst article suitable for selective catalytic reduction of nitrogen oxides, and to an exhaust system.

The application provides a matte varnish and a preparation method thereof. The matte varnish comprises the following raw materials in parts by mass: 50 parts of water-based acrylic resin, 5-15 parts of modified matting agent, 0.05-0.2 parts of defoaming agent, 1-2 parts of film-forming aid, 0.2-1 parts of thickening agent, 0.1-0.2 parts of pH regulator and 40-60 parts of water. The modified matting agent comprises an inorganic matrix and an organic / silicone composite layer coated on the surface of the inorganic matrix. The inorganic matrix comprises talcum powder and barium sulfate. The organic / silicone composite layer comprises a sodium lignosulfonate layer and a silicone structure formed by solidification of water glass. The matte varnish prepared by the multi-stage rough structure design of the modified matting agent has excellent matte performance and can be widely applied to painting scenes with high requirements for matte effect.

The present invention relates to the use, for the preparation of a water-resistant building material, of a mold comprising mycelium formed by hyphae resulting from the growth of at least one fungus, said mold colonizing pores of a solid, pre-shaped inorganic matrix consisting of a set of mineral grains bound by clay ensuring the structural cohesion of said material, each of said pores being formed by the space between adjacent mineral grains of said set bound by clay and / or by the interstices between the clay particles, said matrix comprising a biopolymer as a growth substrate for said mold. (no figure)

A method for producing a photoluminescent composition and the composition obtained, in particular form granular photoluminescent compounds, chosen in particular, and not exclusively, from the following families, based on an inorganic matrix and a doping ion, the photoluminescent composition being intended to be introduced with at least one filler into a transparent matrix. The method comprises a preparation step of: —choosing a first photoluminescent compound PH1 with a particle size range comprising a peak centered on a value P1 corresponding to a particle diameter D1, —choosing at least one second photoluminescent compound PH2 with a particle size range comprising a peak centered on a value P2 corresponding to a particle diameter D2, —choosing the diameter D2 equal to the maximum measurement M1 of the volumetric space V1 freed by the presence of at least four juxtaposed particles of diameter D1. The invention also relates to the composition, the use of said composition and a method for maintaining luminance above a given threshold.

This invention relates to the field of waste resource utilization technology, and in particular to a method for making bricks from virgin aggregates of construction waste and composite aggregates of industrial waste. The method involves nano-modifying the surface of waste rubber, transforming it from an inert filler into an active component; using an activator composed of sodium silicate, sodium carbonate, ammonium sulfate, and borax to optimize the gelation system reaction process; and pre-mixing the modified rubber particles, construction waste aggregates, fly ash, and activator to form a composite aggregate, which is then used to prepare lightweight bricks. This invention solves the technical problems of poor interfacial bonding between rubber and the inorganic matrix, low solid waste content, and difficulty in simultaneously achieving product strength and thermal insulation / sound insulation performance. The resulting bricks are lightweight, high-strength, low-shrinkage, and have excellent thermal insulation and sound insulation properties.

This invention relates to a fluorescent probe based on ceramic fluorescent composite particles, its preparation method, and its application. The ceramic fluorescent composite particles comprise multiple fluorescent nanocrystals and an inorganic material; the inorganic matrix is ​​derived from a mesoporous material, and the multiple fluorescent nanocrystals are dispersed within the pore structure of the mesoporous material; the ceramic fluorescent composite particles undergo sintering, causing the framework of the inorganic matrix to shrink and densify, resulting in partial or complete closure of the pore structure, thereby forming a dense coating layer on the surface of the fluorescent nanocrystals; the particle size of the ceramic fluorescent composite particles is 50–300 nm, and the density is 1.1 g / cm³. 3 Up to 6 g / cm 3 The fluorescent nanocrystals are loaded into the total mass of the ceramic fluorescent composite particles at a rate of 10 wt% to 35 wt%; the absolute quantum yield of the ceramic fluorescent composite particles is above 85%.

The present invention relates to a substrate comprising an inorganic matrix comprising an interconnected pore structure. The total pore volume of the matrix determined by mercury porometry is greater than or equal to 70%, and the bulk density of the matrix is less than or equal to 0.4 g / cm < 3 >.

The present invention relates to the use, for the preparation of a water-resistant construction material, of a mold comprising mycelium formed by the hyphae arising from the growth of at least one fungus, the mold colonizing pores of a solid, previously shaped inorganic matrix, the inorganic matrix consisting of an assembly of mineral grains bound by clay, the clay ensuring the structural cohesion of the material, wherein each of the pores is formed by the space between adjacent mineral grains of the assembly, bound by clay and / or by the interstice between the clay particles, and wherein the matrix comprises a biopolymer as a substrate for the growth of the mold.

The invention discloses granite texture-imitated inorganic stone and a preparation method thereof, and belongs to the technical field of building materials. The modified reinforced fiber has higher surface active sites, the interface bonding force between the modified reinforced fiber and an inorganic matrix can be effectively enhanced, a multi-layer and multi-dimensional spatial network structure is constructed in the matrix by compounding different grades of polyvinyl alcohol fiber, silicon carbide fiber and basalt fiber, the synergistic effect is achieved, and the mechanical property of the inorganic matrix is improved. And the remarkable enhancement purpose is achieved. The butylated hydroxytoluene and the nano titanium dioxide are adopted to modify the styrene-butadiene emulsion, the compatibility of the modified styrene-butadiene emulsion and an inorganic hydration product is improved, and an organic-inorganic interpenetrating network structure can be formed after curing, so that the toughness and the impermeability of inorganic stone are further enhanced; the granite-texture-imitated inorganic stone which is compact, smooth, low in water absorption rate, high in glossiness and excellent in mechanical property can be obtained on the whole, and the use requirements of high-performance environment-friendly stone-imitating materials can be met.

The application discloses a preparation method of bentonite composite mineral gel, which comprises the following steps: (1) pulp preparation, viscosity reduction and purification; (2) gelation activation; (3) functional group modification; (4) gelation; and (5) atomization, drying and dehydration, so that the bentonite composite mineral gel with high viscosity and high dispersing performance is finally obtained. The technical scheme of the application is that the viscosity is first reduced to increase the concentration of the ore pulp, then an activator is added to increase the viscosity, and at the same time, in order to maintain the dispersing performance, an organic ester modifier is used to modify the montmorillonite inorganic matrix, so that a combined structure of the organic matrix-modifier-inorganic matrix is formed, the inorganic mineral gel obtained through the final bentonite-montmorillonite combination has extremely strong hydrophobic performance, and thus has high viscosity and high dispersing performance. The application can be applied to water-based paint and pesticide as a thickening and suspending agent.

The invention belongs to the technical field of building materials, and particularly relates to an anti-seepage and anti-aging nano-silicon material for a building roof and a preparation method of the anti-seepage and anti-aging nano-silicon material for the building roof.The anti-seepage and anti-aging nano-silicon material comprises, by mass, 30-50% of a silicate inorganic matrix; 20-30% of an acrylate elastomer; 3 to 5 percent of nano TiO / ZnO; 2-4% of a silane coupling agent; 2-6% of a water glass microcapsule; and the balance of deionized water. The particle size of the water glass microcapsule is 50-100 [mu] m, and the water glass microcapsule releases a gel phase when encountering water and is used for sealing microcracks with the width smaller than or equal to 0.3 mm.

The invention relates to the field of rubber materials, in particular to an antistatic plasticizer modified rubber material and a preparation method thereof. The antistatic plasticizer-modified rubber material comprises the following substances in parts by weight: 100-120 parts of a hydrogenated butadiene-acrylonitrile rubber matrix; 30 to 65 parts of an antistatic plasticizing composite material; 5-15 parts of a functional auxiliary agent; the plasticized composite material comprises a porous inorganic matrix and an antistatic plasticizer composite material loaded on the surface of the porous inorganic matrix. According to the technical scheme, a plasticizing system of a hydrogenated nitrile rubber material is optimized, an antistatic plasticizing composite material is introduced, the composite material takes a porous inorganic matrix as a carrier, and an antistatic component and a plasticizing component are integrated into an integrated structure. The porous inorganic matrix realizes loading and fixing of two functional components by virtue of a pore structure, so that dispersion conflicts caused when a plasticizer and an antistatic agent are independently added in a traditional scheme are avoided, synergy of processability, antistatic property and mechanical stability is realized, and industrial diversified requirements are met.

The invention relates to the technical field of novel grouting materials, in particular to a composite cement-based grouting material and a preparation process thereof. The problems that a grouting material is poor in construction performance and strength are solved. Through directional modification of the silane coupling agent on the calcium bentonite and the glass fiber, an organic-inorganic synergistic interface is constructed in an inorganic matrix, the slurry compactness is improved, shrinkage cracking is inhibited, and the compressive strength of the material is improved; coarse-grained fly ash and superfine fly ash are compounded to form a composite system with continuous particle size distribution, so that the composite system has double advantages of fluidity optimization and mechanical property enhancement, and the stability and permeability of slurry are balanced; through a compound system of the early strength agent and the accelerator, the water glass and the expanding agent are introduced, and the modified alkali-resistant glass fibers are added in three times and are stirred and dispersed at a low speed, so that the service life of the anti-seepage structure is prolonged.

The application discloses an inorganic bulk luminescent material and a preparation method thereof, and relates to the technical field of light sources for illumination and display. The material comprises an inorganic matrix, fluorescent powder dispersed in the interior and a substrate at the bottom. The preparation method comprises the following steps: firstly, mixing an inorganic silica gel solution and a curing agent solution; adding the fluorescent powder into the mixed solution and stirring; then, dropping the mixed solution at the center of the substrate and rotating on a rotating table; heating by using a hot air blower to realize preliminary shaping of the bulk luminescent material; and finally, heating and heat-insulating in a muffle furnace to obtain the inorganic bulk luminescent material. The application adopts a preforming and firing secondary process to prepare the inorganic silica gel packaged bulk luminescent material, has higher luminescent efficiency, better luminescent stability, a simple preparation process and is suitable for industrialization.

A composite member includes an inorganic matrix part made from an inorganic substance including at least one of a metal oxide or a metal oxide hydroxide and an organic fiber that is directly fixed to the inorganic matrix part without interposing an adhesive substance different from the inorganic substance making up the inorganic matrix part and is present in a dispersed state within the inorganic matrix part. The composite member has a porosity of 20% or less in a section of the inorganic matrix part.

The present invention relates to compositions comprising at least one plant extract selected from oregano extract, thyme extract, cinnamon extract or mixtures thereof, adsorbed on an inorganic matrix, to kits of parts and detergents comprising said compositions, and to their use in cleaning surfaces, in particular in devitalization of biological patinas on the surface of stone cultural property.

The invention discloses an organic-inorganic composite anti-corrosion well cementation admixture and a preparation method thereof, and relates to the technical field of oil-gas field development well cementation materials. The admixture comprises the following components in percentage by weight: 30-55 wt% of an inorganic matrix material, 15-25 wt% of an organic corrosion inhibitor, 20-30 wt% of a nano reinforcement and 10-15 wt% of a corrosion inhibition auxiliary agent, the inorganic matrix material is formed by mixing metakaolin, modified fly ash and lithium magnesium extraction slag according to the mass ratio of 3: 2: 1. The invention also discloses a preparation method of the admixture. A multi-stage synergistic anti-corrosion mechanism is adopted, the anti-corrosion limitation of a traditional single material is broken through, and the anti-CO2 anti-corrosion coating has the excellent anti-CO2-corrosion characteristic.