21 results about "Inorganic composition" patented technology

The invention relates to a stainless steel flux-cored wire and a preparation method thereof, and relates to the technical field of flux-cored wires. The stainless steel flux-cored wire comprises a stainless steel strip and a double-layer flux core, the stainless steel strip is filled with the double-layer flux core, and the filling amount of the double-layer flux core accounts for 20-25% of the total mass of the stainless steel flux-cored wire; the double-layer flux core comprises a rapid reaction layer and an alloy transition layer, the rapid reaction layer comprises an oil stain oxidizing agent, the oil stain oxidizing agent comprises a high-temperature decomposition type organic matter and an inorganic composition, and the inorganic composition comprises copper oxide and ferric oxide with the mass ratio being (1-1.5): 1. The high-temperature decomposition type organic matter comprises polytetrafluoroethylene micro powder and trisodium citrate according to the mass ratio of 1: (3-5), and the alloy transition layer comprises 316L stainless steel powder, metal powder, silicon powder, niobium carbide and rare earth oxide. The invention can effectively avoid hydrogen embrittlement caused by diffusible hydrogen easily formed by compounds in anti-rust oil remaining on the surface of the welding wire during welding and entering a welding seam.

This inorganic composition article is characterized by: being obtained by tempering a crystallized glass which contains, as the main crystal phase thereof, at least one selected from α-cristobalite and an α-cristobalite solid solution, and in which, when expressed as mass % of respective oxides, the contained amount of component SiO2 is not less than 45.0% but less than 68.0%, the contained amount of component Al2O3 is 3.0-15.0%, the contained amount of the component Li2O is 3.0-10.0%, the contained amount of component B2O3 is more than 0% but not more than 10.0%, the contained amount of component P2O5 is more than 0% but not more than 10.0%, the contained amount of the component ZrO2 is more than 0% but not more than 10.0%; and the mass ratio of SiO2 / (B2O3+Li2O) is 3.0-10.0; having a compressive stress layer on the surface thereof; and having a softening point (SP) of lower than 795° C.

The invention relates to an inorganic composition product which is formed by strengthening crystallized glass. The crystallized glass contains, as a main crystal phase, one or more substances selected from the group consisting of alpha-cristobalite and alpha-cristobalite solid solutions. The content of the SiO2 component is 50.0% to 75.0%, the content of the Li2O component is 3.0% to 10.0%, the content of the Al2O3 component is 5.0% to less than 15.0%, the content of the B2O3 component is more than 0% to 10.0% (inclusive), and the content of the P2O5 component is more than 0% to 10.0% (inclusive) in terms of mass% of oxides; the mass ratio of SiO2 / (B2O3 + Li2O) is from 3.0 to 10.0; the inorganic composition product has a compressive stress layer on the surface and has a four-point bending strength of 760 MPa or more.

To provide a method for manufacturing a laminated formed article by lamination molding such as 3D printings, in which the occurrence of dripping and crushing of a water-setting inorganic composition during lamination is reduced to a level sufficient for practical use.SOLUTION: A method for manufacturing a laminated formed article includes laminating a laminate formed article composition containing a water-setting inorganic composition and a thermosensitive gelling agent, and heating the composition during and / or after a lamination, thereby making the laminate formed article composition non-fluid. The thermosensitive gelling agent contains an aqueous medium, a polymer dispersed in the aqueous medium, and a nonionic surfactant having a cloud point of 30°C or higher and a HLB value of 10 to 18, and the thermosensitive gelling agent has a value of a1 / a0 of 15 or more, where a0 is the penetration resistance at 17±3°C immediately after degassing and a1 is the penetration resistance at 17±3°C after 30 seconds of microwave heating at 600 W after degassing.SELECTED DRAWING: None

This method for manufacturing a wiring board includes: a step for forming a first pattern sheet having at least one of a via conductor and a conductor pattern on a first green sheet; a step for preparing a second green sheet having a lower shrinkage start temperature than the first green sheet and a shrinkage end temperature equal to or lower than the shrinkage start temperature of the first green sheet; a step for forming a first laminate body by interposing the second green sheet in a middle layer portion in the lamination direction when a plurality of first pattern sheets are prepared and laminated; a step for forming a second laminate body by laminating constraint sheets, each mainly composed of an inorganic composition having a higher sintering start temperature than the first green sheet and the second green sheet, on both surfaces in the lamination direction of the first laminate body; and a step for firing the second laminate body.

A nano-inorganic composition according to an embodiment of the present disclosure includes and is not limited to excellent mechanical characteristics such as surface hardness and wear characteristics, chemical stability such as water resistance, acid resistance, and alkali resistance, and excellent thermal stability, as the composition is comprised of inorganic materials. In addition, the nano-inorganic composition may be controlled to have super-hydrophilic, hydrophilic, or hydrophobic properties, depending on coating methods. The nano-inorganic composition also has excellent surface contamination resistance and easy-clean properties depending on the characteristics of the thin film coating. Also, the nano-inorganic composition has excellent optical properties such as light transmittance and light reflectance.

A crystallized inorganic composition article, comprising: an inorganic composition article having a transmittance of 50% or more at 550 nm when heated to [At+50]° C., where At (° C.) is a yield point, wherein in a raw glass, by mass % in terms of oxide, a content of a SiO2 component is 65.0% to 85.0%, a content of an Al2O3 component is 3.0% to 15.0%, a content of a P2O5 component is more than 0% to 5.0%, a content of a Li2O component is more than 5.0% to 15.0%, a content of a ZrO2 component is 0% to 10.0%, a content of a MgO component is 0% to 5.0%, [the content of the Al2O3 component / (a content of a K2O component+the content of the MgO component)] is more than 0 to 20.0, and [the content of the Li2O component / the content of the MgO component] is 8.0 or more.

The invention discloses a mixed-phase glass coating for hot bending forming and a preparation method thereof, and belongs to the technical field of glass coating preparation, and the mixed-phase glass coating comprises an inorganic composition and an organic carrier, the inorganic composition is prepared from the following components in percentage by mass: 15 to 30 percent of pre-crystalline phase glass powder, 40 to 65 percent of amorphous phase glass powder, 15 to 30 percent of toner and 2 to 5 percent of sintering inhibitor. According to the mixed-phase glass coating provided by the invention, the crystallization degree of the pre-crystal phase is regulated and controlled through the sintering inhibitor in the sintering process, so that a compact crystal layer is formed on the surface of the coating, the mixed-phase glass coating has stable anti-sticking performance under a wide sintering process, and the safety performance of basic glass can be ensured; the glass can be applied to the fields of household appliances, automobiles, buildings, photovoltaic glass and the like.

To provide a spherical inorganic composition suitable for use as a filler for encapsulants for semiconductor packages by accurately grasping the properties of voids present in particles of a spherical inorganic composition and improving the quality of the particles of the spherical inorganic composition.SOLUTION: In a spherical inorganic composition excluding silica alone, the average particle diameter by laser diffraction particle size distribution measurement of the spherical inorganic composition is 0.1 to 15 μm, particles of the spherical inorganic composition containing voids having a diameter of 5 μm or more are 50 particles / mm3 or less, and particles of the spherical inorganic composition containing voids having a diameter of 10 μm or more are 5 particles / mm3 or less.SELECTED DRAWING: None

The present invention relates to a stainless steel flux-cored wire and a preparation method thereof, and relates to the technical field of flux-cored wires. The stainless steel flux-cored wire comprises a stainless steel strip and a double-layer flux core, wherein the double-layer flux core is filled in the stainless steel strip, and the filling amount of the double-layer flux core is 20-25% of the total mass of the stainless steel flux-cored wire; the double-layer flux core comprises a rapid reaction layer and an alloy transition layer, the rapid reaction layer comprises an oil stain oxidant, the oil stain oxidant comprises a high-temperature decomposition type organic substance and an inorganic composition, the inorganic composition comprises copper oxide and ferric oxide with a mass ratio of 1-1.5:1, the high-temperature decomposition type organic substance comprises polytetrafluoroethylene fine powder and trisodium citrate with a mass ratio of 1:3-5, and the alloy transition layer comprises 316L stainless steel powder, metal powder, silicon powder, niobium carbide and rare earth oxide. The present invention can effectively avoid that compounds in the rust preventive oil remaining on the surface of the wire during welding are liable to form diffusible hydrogen and enter the weld seam to cause hydrogen embrittlement.

A method for producing an additive manufactured object, the method comprising layering a composition for additive manufacturing comprising a water-curable inorganic composition and a heat-sensitive gelling agent, and non-fluidizing the composition for additive manufacturing by heating at the time of layering and / or after layering, wherein the heat-sensitive gelling agent contains an aqueous medium, a polymer dispersed in the aqueous medium, and a nonionic surfactant having a cloud point of 30° C. or higher and an HLB value of 10 to 18, and the heat-sensitive gelling agent is a heat-sensitive gelling agent having a value of al / a0 of 15 or more when a penetration resistance value at 17±3° C. immediately after defoaming is defined as a0 and a penetration resistance value at 17±3° C. after microwave heating at 600 W for 30 seconds after defoaming is defined as a1.

Provided is a dielectric body having a high dielectric constant and a change rate of the dielectric constant of 30% or less, in a temperature range from −50° C. to 350° C. An inorganic substance contains an oxide crystal including A and M (the A being one or more of P, Ge, and V, and the M being one or more of Nb and Ta), in which the dielectric constant is 500 or more. In the inorganic substance, the oxide crystal is one or more of PNb9O25, P2.5Nb18O50, GeNb9O25, GeNb18O47, GeNb19.144O50, VNb9O25, VNb9O24.9, PTa9O25, GeTa9O25, VTa9O25, and solid solutions thereof.

Provided is a spherical inorganic composition that is suitable for a filler for a semiconductor package sealing material, and the like, as a result of improving the quality of particles of the spherical inorganic composition through accurate understanding of the properties of voids present in the particles of the spherical inorganic composition. In the spherical inorganic composition excluding elemental silica, the average particle size of the spherical inorganic composition as measured by laser diffraction particle size distribution measurement is 0.1-15 μm, and the number of particles of the spherical inorganic composition including voids having a diameter of at least 5 μm is at most 50 particles / mm3, and the number of particles of the spherical inorganic composition including voids having a diameter of at least 10 μm is at most 5 particles / mm3.

The invention discloses an inorganic composition synergistic compound fertilizer and a preparation method thereof. The inorganic composition synergistic compound fertilizer comprises the following raw materials in parts by weight: 30-50 parts of an inorganic material and 40-60 parts of a compound nutrient element material, the inorganic material is natural zeolite; the inorganic material is an inorganic composition, and the inorganic composition comprises the following components in parts by weight: 7-10 parts of slate tailings and 10-30 parts of natural zeolite. The invention belongs to the technical field of compound fertilizer preparation, and aims to solve the problems of low utilization rate, influence on soil health and ecological environment, short fertilizer efficiency and lack of trace elements of the fertilizer in the prior art. The slate tailings and the natural zeolite are utilized to provide trace elements such as silicon, calcium, magnesium, iron and manganese required by crop growth, so that the comprehensive fertilizer efficiency of the compound fertilizer is improved, and the problems of low utilization rate, influence on soil health and ecological environment, short fertilizer efficiency and lack of trace elements of the fertilizer are solved.

The invention discloses an inorganic composition synergistic controlled-release urea fertilizer which comprises a mixture of the following components in percentage by weight: 50% of an inorganic composition and 50% of urea. Through composite granulation of inorganic compositions such as slate tailings, natural zeolite and the like and urea, the dissolution and release rate of urea is improved, and the dissolution rate and water leaching loss of urea are slowed down. The invention also discloses a preparation method and an application method of the synergistic sustained and controlled release urea fertilizer.

An inorganic composition article obtained by strengthening a crystallized glass, wherein the crystallized glass comprises one or more kinds selected from α-cristobalite and α-cristobalite solid solution as a main crystal phase, the crystallized glass comprises, by mass % in terms of oxide, a content of a SiO2 component of 50.0% to 75.0%, a content of a Li2O component of 3.0% to 10.0%, a content of an Al2O3 component of 5.0% or more and less than 15.0%, a content of a B2O3 component of more than 0% and 10.0% or less, a content of a P2O5 component of more than 0% and 10.0% or less, and a mass proportion SiO2 / (B2O3+Li2O) of 3.0 to 10.0, and the inorganic composition article has a compressive stress layer on the surface, and has a central tensile stress (CT) of 80 MPa to 160 MPa.

3D printing material in direct contact with edge of a glass core in IC packages to additively form a frame. Multiple such cores may be reconstituted into a panel that may then be built-up with routing metallization and assembled with IC die. Layers of printed material may be built up to form a frame with approximately the same thickness as the glass core and of any desired lateral width. The printed material may be an organic polymer or inorganic composition including metallics and ceramics. Beads of different material composition may be printed in succession to vary mechanical, electrical and / or thermal properties. A portion of the protective frame may be retained on an edge of the glass core when panels are singulated into package substrate units. Frame material may also be printed upon edges of glass-cored package units after their singulation.

The present invention is an inorganic composition product obtained by strengthening a crystallized glass containing, as a main crystal phase, one or more elements selected from the group consisting of alpha-cristobalite and alpha-cristobalite solid solutions, and having, in terms of mass% in terms of oxides: 50.0-75.0% of an SiO2 component; the content of the Li2O component is 3.0% to 10.0%; the content of the Al2O3 component is 5.0% or more and less than 15.0%; the content of the B2O3 component is more than 0% to 10.0% or less; and the content of the P2O5 component is greater than 0% to 10.0% or less; the mass ratio of SiO2 / (B2O3 + Li2O) is from 3.0 to 10.0; the thickness (DOLzero) of the compressive stress layer on the surface of the inorganic composition product is 8.0% to 25.0% of the plate thickness of the inorganic composition product; and a central tensile stress (CT) of 70 MPa to 120 MPa.

The application discloses a mixed-phase glass coating for hot bending forming and a preparation method thereof, and belongs to the technical field of glass coating preparation, and comprises an inorganic composition and an organic carrier; the inorganic composition comprises the following components in percentage by mass: pre-crystalline phase glass powder 15-30%, amorphous phase glass powder 40-65%, color powder 15-30% and sintering inhibitor 2-5%. The mixed-phase glass coating provided by the application controls the crystallization degree of the pre-crystalline phase through the sintering inhibitor during the sintering process, so that a dense crystalline layer is formed on the surface of the coating; the mixed-phase glass coating has stable anti-sticking performance under a wide sintering process, and can guarantee the safety performance of the base glass, and can be applied to the fields of household appliances, automobiles, buildings and photovoltaic glass.

To provide a method for producing inorganic composition powder by which inorganic composition powder having a small average particle diameter can be produced.SOLUTION: The method for producing the inorganic composition powder is provided. A solution or a dispersion of an inorganic substance is atomized, and the atomized solution or dispersion is introduced into a flame to synthesize an inorganic composition powder in a gas phase. The inorganic material may be a salt of at least one element selected from the group consisting of Si, Li, Ca, Al, Ba, K, Mg, Na, B, and P. For example, the concentration of the salt in the solution or the dispersion liquid is 5% by mass or more and 50% by mass or less.SELECTED DRAWING: Figure 1

To provide a novel soft magnetic material that is lower in density and has superior shapeability compared to existing soft magnetic materials. [Solution] Using hematite as the essential raw material and silica, alumina, and calcium oxide as secondary raw materials, the raw material mixture is adjusted in atomic fraction (%) to be i) 15% to 40%, ii) 0.1% to 21% aluminum, iii) 0.1% to 15% calcium, iv) the total of iron, silicon, aluminum, and calcium is 90% or more, and v) the difference between the total content of aluminum and calcium and the iron content is minus 6% or more. This raw material mixture is heated to approximately 1500°C to melt, held for approximately 1 hour, and then rapidly cooled to obtain a material with a density of 3.0 g / cm³. 3 The following, and with a mass magnetic susceptibility of 1.9 cm², 3 We were able to obtain a novel amorphous magnetic inorganic composition with a value of 1 / g or higher.