19 results about "Inorganic crystals" patented technology

One aspect of the present disclosure provides composite particles comprising: a plurality of coated particles that contain an inorganic crystal and a reduced graphene oxide and have a coating layer provided on the surface of the inorganic crystal; and a sheet containing a reduced graphene oxide, wherein the sheet includes secondary particles in which the plurality of coated particles are aggregated.

The invention provides an epoxy modified cement-based material, the epoxy modified cement-based material comprises an organic phase structure and inorganic crystals, and the inorganic crystals are radially distributed on the surface of the organic phase structure; the organic phase structure is a spherical or sphere-like structure with the diameter of 3-15 microns; the inorganic crystal is of a needle-shaped, rod-shaped or sheet-shaped structure with the length being 0.3-3 microns and the diameter being 0.05-0.5 microns. The epoxy modified cement-based material disclosed by the invention shows good adhesion and dispersion resistance under water or in a humid environment, can realize rapid underwater construction, and keeps stable performance for a long time under harsh conditions such as a marine environment and a humid environment; the engineering requirements of multiple fields such as building structure repairing, underwater repairing, rapid first-aid repair, ocean protection and road and bridge engineering are met, and the integration of high strength, high toughness, strong interface bonding and long-acting durability is realized.

The invention belongs to the technical field of photoelectric devices, and particularly relates to a metal halide single crystal array and a preparation method and application thereof.The preparation method comprises the steps that 1, an aluminum oxide substrate is cleaned and dried, and then fluorosilane is adopted for hydrophobic modification to obtain a hydrophobic substrate; (2) placing the metal mask plate on a hydrophobic substrate, and performing oxygen plasma treatment to obtain an aluminum oxide substrate with a hydrophilic and hydrophobic array; (3) removing the metal mask plate, dropwise adding an inorganic metal halide solution onto the aluminum oxide substrate with the hydrophilic and hydrophobic array, and performing blade coating by adopting a PDMS (Polydimethylsiloxane) template, so that the solution is uniformly dispersed; and (4) standing the substrate treated in the step (3) in a closed environment at 25-30 DEG C until the solvent is volatilized and removed, thereby obtaining the metal halide single crystal array. The lattice parameters of the metal halide inorganic crystals are matched with those of the substrate through the aluminum oxide substrate, so that the in-plane pure orientation of the metal halide inorganic single crystal array is realized.

The application relates to a Ca3(PO4)2 crystal reinforced zwitterionic hydrogel membrane and a preparation method and application thereof, the application uses PVDF as a base film, the material is low in price, good in mechanical performance, friendly to the environment and good in recycling performance. Through a polyphenol-metal dual autocatalysis method, a layer of zwitterionic hydrogel is simply and efficiently grafted on the surface of the PVDF film without heating and ultraviolet irradiation. Through a mineralization technology, the zwitterionic hydrogel membrane reinforced by inorganic crystals is used for constructing an inorganic crystal reinforced zwitterionic hydrogel membrane, preparing an oil-water separation membrane which is resistant to pollution, good in mechanical performance and long-term stable and cyclic. The inorganic crystal reinforced zwitterionic hydrogel membrane has the advantages of strong hydration performance and high mechanical stability, has a high separation efficiency on oil-in-water emulsion, shows obvious anti-pollution performance and good cyclic stability. The preparation method is simple, convenient to operate, low in energy consumption, easy to handle and free of secondary pollution, meets the green chemistry concept and has a good application prospect in the field of oil-water separation.

To provide a filament excellent in filament feeding property to a 3D printing device and melt-laminating property, and a wound body.SOLUTION: A filament according to the present disclosure is a filament for use in three dimensional modeling by fused deposition modeling, the filament including a semi-aromatic polyamide resin (a- 1) and a crystalline aliphatic polyamide resin (a- 2) in a total proportion of at least 70 mass% of the filament, the difference between the semi-crystallization time of the (A-1) semi-aromatic polyamide resin and the semi-crystallization time of the (a- 2) crystalline aliphatic polyamide resin is 1 to 500 seconds (wherein the semi-crystallization time is measured by depolarization photometry under the conditions of a sample melting temperature of the melting point of the polyamide resin + 30 °C, a sample melting time of 3 minutes, and a crystallization oil bath temperature of 140 °C). The mass ratio of (A-1) / (A-2) is 95 / 5 to 80 / 20, and the filament further contains (B) an inorganic crystal nucleating agent in a proportion of 0.1 to 10% by mass relative to the filament.SELECTED DRAWING: Figure 1

The invention discloses a series of main group Sb cluster compound crystals containing transition metal Co and a preparation method thereof, and belongs to the technical field of inorganic crystal materials. The chemical formula of the main group Sb cluster compound crystal containing Co transition metal is [K ([2.2. 2] crypt)] [(CpCo) 5Sb5]. (2THF), [(CpCo) 4Sb4]; [K ([2.2. 2] crypt)] [(CpCo) 4Sb4]. (THF); [K ([2.2. 2] crypt)] [(CpCo) 4Sb2]. (THF); [K ([2.2. 2] crypt)] [(CpCo) 2Sb2P (C6H5) 2]. (0.5 THF); the method of the series of compounds adopts a Zintl phase-driven reduction strategy, namely, one-pot synthesis is carried out within 10 hours at the ambient temperature, the problems of harsh reaction conditions and low yield of a traditional method are solved, and the synthesis efficiency and the operation convenience are remarkably improved. According to the Wade-Mingos rule, the compound 4-[K ([2.2. 2] crypt)] [(CpCo) 4Sb2]. (THF) is a closed cluster compound containing 14 skeleton electrons, and represents a brand new structural element. The synthesis method not only expands the range of a main group cluster structure, but also opens up a new direction for exploration of a novel inorganic skeleton structure.

A furnace system includes a heater contained in a heating chamber. A green tape is configured to contact a contact material while it is in the heating chamber. In aspects, the contact material includes iridium, osmium, rhenium, or an alloy thereof. Alternatively, the contact material is a lithium metal oxide where the metal is scandium or yttrium. In aspects, the contact material has a melting temperature of 1500°C or more, a gas phase oxygen concentration of 10-10 atmospheres or more, and a gas phase lithium concentration of 10-5 atmospheres or less. Methods include firing a green tape containing inorganic crystals by heating the green tape while in contact with the contact material. A sintered article includes a body having grains of inorganic material sintered to one another, where a concentration of iridium, osmium, rhenium on a first major surface is greater than or equal to 1 part-per-trillion.

This application discloses a CaY2Co2Ge3O 12 The flux-driven growth method for single crystals belongs to the field of inorganic crystal material growth technology. This method includes: first, preparing high-purity CaY2Co2Ge3O through repeated solid-state sintering. 12 A polycrystalline precursor is prepared; the polycrystalline precursor is then uniformly mixed with a composite flux consisting of PbO and GeO2 in a molar ratio of 1.5~2.5:3.5~2.5; the mixture is then placed in an inert crucible and subjected to a temperature program: the temperature is raised to 1250~1350℃ and held for 12~36 hours, followed by a slow cooling to 700~900℃ at a rate of 1~5℃ / h, and finally cooled and the flux is separated to obtain CaY2Co2Ge3O 12 This invention marks the first successful controllable preparation of complete, high-quality single crystals of this composition. The process is stable and highly reproducible, providing a key material basis for studying its intrinsic physical properties.

In methods for producing anilines by reducing aromatic nitro compounds, which are unreducible substances, H2 and petroleum-derived alcohols were used as reducing agents, but there were issues from the perspective of safety and environmental impact. [Solution] The present invention provides a method for reducing aromatic nitro compounds, which is characterized by high safety and low environmental impact because it uses polysaccharides such as cellulose or polyols and an aqueous solvent in the presence of a gold-supported catalyst obtained by immobilizing gold nanoparticles on the surface of an inorganic crystalline support.

The invention relates to the technical field of solid waste resourceful treatment, and discloses a wastewater sludge carbonization molding composite fuel and a preparation method thereof, the wastewater sludge carbonization molding composite fuel is prepared from municipal dewatered sludge, biomass powder, an iron-containing acidic waste liquid, waste oil and a calcium-based exothermic agent, a dual support structure formed by an acid etching biomass carbonization framework and an in-situ generated inorganic crystal is arranged in the acid etching biomass carbonization framework. The preparation method of the wastewater sludge carbonization molding composite fuel comprises the steps of sludge and biomass premixing and grinding, acid etching and carbonization, grease coating, exothermic curing and high-pressure filter pressing molding. Wherein a heat energy cascade backflow process is adopted, and high-temperature slurry generated in the heat release curing stage is used for backflow to provide a heat source for the acid etching carbonization stage. Through chemical reaction heat and in-situ skeleton construction, deep dehydration without an external heat source is realized, the mechanical strength, hydrophobic property and calorific value stability of the fuel are improved, and the operation energy consumption is reduced.

This invention relates to the field of lightweight building materials technology, specifically to a hydrophilic polymer crosslinked composite permeable concrete and its preparation method. This invention overcomes the problem in existing technologies where composite concrete cannot simultaneously achieve both mechanical properties and lightweight permeability. The invention prepares a two-stage lightweight skeleton by ultrasonically etching and microporousizing waste ceramic particles with sodium hydroxide solution; it uses a solid-liquid composite bisphenol A epoxy resin, which undergoes phase inversion emulsification and silane coupling agent pretreatment to obtain a highly compatible epoxy emulsion; through stepwise feeding and in-situ crosslinking processes, the organic network and inorganic crystals interpenetrate at the aggregate micropore interface. This invention effectively solves the technical problem of traditional concrete's difficulty in simultaneously achieving lightweight, high strength, and high permeability, broadening its application in high-specification lightweight building scenarios such as lightweight permeable pavements and permeable concrete floors.

The present invention provides a rare earth oxide crystal useful as an optical material, a magnetic material, or the like, and a method for producing the same. The rare earth oxide crystal according to one embodiment of the present invention is characterized by containing a rare earth element (RE) and oxygen (O), wherein an inorganic crystal represented by general formula REOx (1.45≤x≤2.05) contains at least a hydrogen atom (H), and the RE is at least one element selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu.

Provided is a water-borne coating composition capable of forming a metallic coating film having high-design, and further capable of forming a coating film that exhibits good coating film properties. A water-borne coating composition set for forming a multilayer coating film, containing a first base coating composition that forms a first base coating film and a second base coating composition that forms a second base coating film, wherein the first base coating composition contains a first coating film-forming resin, a first curing agent, a first inorganic brightener, and a first hydrophobic association rheology control agent, the first inorganic brightener contains one or more species selected from the group consisting of silica, talc, calcium carbonate, kaolin, barium sulfate, and diatomaceous earth, the second base coating composition contains a second coating film-forming resin, a second curing agent, a second luster material, a second inorganic rheology control agent, a second hydrophobic association rheology control agent, and a second dispersant, and the second inorganic rheology control agent contains a layered material having a stacked structure of a large number of inorganic crystal layers stacked.

To provide defect-controlled fluoride crystals, methods for producing the same, and their applications. [Solution] The fluoride crystal of the present invention contains cesium (Cs), rare earth element RE, and fluorine (F), and has the general formula CsRE2F 7-x The inorganic crystal represented by (where x satisfies 0 ≤ x ≤ 0.5) contains at least hydrogen (H). The present invention relates to a method for producing fluoride crystals, which involves growing crystals by solvothermal method from a raw material containing a rare earth element RE and a raw material containing a fluorine element (F) in the presence of a mineralizing agent containing at least cesium element (Cs).

The invention discloses a biaxially oriented ultrathin PEEK film and a preparation method thereof, and relates to the technical field of polymer films. The invention relates to an ultrathin PEEK (polyether-ether-ketone) film, which is formed by extrusion and two-way stretching, and specifically comprises polyether-ether-ketone, self-crosslinking polyetherimide and modified nanowhiskers, the self-crosslinking polyetherimide is polyetherimide synthesized by a dianhydride monomer, a diamine monomer and a self-crosslinking functional monomer, and the modified nanowhiskers are modified nanowhiskers. The modified nano crystal whiskers are prepared by carrying out surface modification treatment on nano inorganic crystal whiskers through a coupling agent. According to the scheme, the processing performance of the polyether-ether-ketone can be effectively improved, the relationship between the toughness and the strength of the polyether-ether-ketone during oriented crystallization can be balanced, the crystallization performance and the crystallization rate of the polyether-ether-ketone can be adjusted to a certain extent, the stability during two-way stretching can be improved, and the high-strength ultrathin PEEK film can be prepared by using a two-way stretching method.

The utility model discloses an interior and exterior wall inorganic elegant crystal gypsum stirring device which comprises a stirring tank, a rotating rod is rotatably connected to the middle of the interior of the stirring tank, a plurality of stirring blades are fixedly connected to the upper portion of the rotating rod, a fixing net penetrates through the lower portion of the middle of the interior of the stirring tank, the fixing net is fixedly connected with the inner wall of the stirring tank, and the stirring blades are fixedly connected to the inner wall of the stirring tank. The bottom end of the rotating rod is fixedly connected with a first stirring cross rod, the top end of the first stirring cross rod is fixedly connected with a vertical connecting rod, the top end of the vertical connecting rod is fixedly connected with a second stirring cross rod, and the second stirring cross rod is fixedly connected with the rotating rod. A rubber scraper is arranged at the bottom end of the stirring tank, so that raw materials adhered to the bottom end of the inner wall of the stirring tank can be conveniently scraped, a telescopic plate and a supporting spring are arranged on the side, close to a connecting arc-shaped plate, of the rubber scraper, and through elastic supporting of the supporting spring, the buffering effect of the rubber scraper can be improved, and the flexibility is improved; and the firm fitting effect is achieved.

Provided is a phosphor having a high emission intensity even if combined with an LED of less than 450 nm, a method for manufacturing the same, and a light-emitting device, image display device, pigment, and an ultraviolet absorber using the same.　The phosphor according to the present invention includes: an inorganic crystal having the same crystal structure as a crystal represented by Ba2Li1Al1Si2O8, the organic crystal including a Li element, an A element, a D element, an E element, and an X element (where A is at least one kind of element selected from the group consisting of Mg, Ca, Sr, and Ba, D is at least one kind of element selected from the group consisting of Si, Ge, Sn, Ti, and Zr, E is at least one kind of element selected from the group consisting of B, Al, Ga, In, and Sc, and X is an element including at least O); or an inorganic compound in which an M element (where M is at least one kind of element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, and Yb) is dissolved in this solid-solution crystal.

The invention belongs to the technical field of thermal insulation mortar, and particularly relates to fire-resistant decoration external wall thermal insulation mortar which comprises the following components in parts by weight: 22-35 parts of aluminate cement; 75 to 95 parts of ordinary Portland cement; 70 to 125 parts of high aluminum aggregate; 75 to 115 parts of quartz sand; 18 to 28 parts of zirconium oxide aerogel; 6 to 9 parts of SiO2 aerogel; and 25-35 parts of ceramic fiber. According to the invention, the aluminate cement and the high-aluminum aggregate have high temperature resistance, so that a stable inorganic crystal skeleton can be formed at high temperature, and structural fusion or collapse is avoided; the zirconium oxide aerogel and the ceramic fiber are high-temperature-resistant light fillers, the porous structure can block heat transfer, and meanwhile, the chemical properties of the zirconium oxide aerogel and the ceramic fiber are stable at a high temperature; the graphene modified layered hydrotalcite absorbs heat through high-temperature decomposition of interlayer crystal water and inhibits temperature rise, the expanded graphite rapidly expands at high temperature to form a compact heat insulation layer, flame and heat permeation are jointly blocked through multiple effects, and excellent fire resistance is achieved.

Systems and methods for producing and using polymer based fixed targets for hydrated, room temperature, high-throughput serial protein crystallography with minimal background and minimal sample consumption are provided. The fixed targets can also be used with non-protein samples such as nanoparticle inorganic crystals. The targets maintain full crystal hydration that allows for on-chip crystallization as well as maintaining long term stability of the sample within the chip. The target chips are optimized to minimize background by controlling the sample thickness in the beam to match crystal size, enabling fast raster scanning at lower fidelity and high hit rates that facilitate dynamic measurements. The targets provide an inexpensive, flexible substrate for on-chip, micro-batch or vapor diffusion crystallization facilitated by polymer brushes for sample concentration and surface initiated crystallization thereby eliminating damaging crystal sample transfer.