Patent classifications
C09C3/006
Thermochromic compositions, thermochromic substrates, and related methods of making
Vanadium oxide nanomaterials dispersed in a polymeric matrix, substrates including the vanadium oxide nanomaterials dispersed in a polymeric matrix, and related methods of making vanadium oxide nanomaterials dispersed in a polymeric matrix are described.
METHOD FOR THE PRODUCTION OF METAL OXIDE PIGMENT COMPOSITE OF CONTROLLED AGGLOMERATING PROPERTIES AND RESPECTIVE PRODUCT
A process for preparing a composite containing submicron sized particles of metal oxide pigment and a natural-based organic compound is disclosed. The process includes a step of grinding a metal oxide pigment and a oligomeric and/or polymeric carbohydrate together by means of a ball mill, to obtain a pigment composite containing particles having a submicron granulometry and an outer surface partially or completely covered by the oligomeric and/or polymeric carbohydrate. A pigment composite including pigment particles having a mean hydrodynamic diameter smaller than 1 μm is also disclosed.
SILICON NITRIDE POWDER FOR SINTERING
A silicon nitride powder for sintering which, despite of its fine powdery form, shows a very small increase in the oxygen concentration with time and features excellent storage stability. The silicon nitride powder for sintering has a specific surface area of 5 to 30 m.sup.2/g, and is characterized by having a hydrophobicity (M value) of 30 or more and an increase in the oxygen concentration of 0.30% by mass or less after left to stand in the air of a humidity of 90% and 20° C. for 48 hours. The silicon nitride powder for sintering can be obtained by dry-pulverizing aggregated masses of the silicon nitride in an inert atmosphere in the presence of a silane coupling agent.
METHOD FOR THE PRODUCTION OF COATED MINERAL GRIT FOR ROOFING OF BUILDINGS
A method for production of coated mineral grit for the manufacture of coating elements with a bituminous support, or with a support comprising a vinyl or acrylic adhesive, for roofing of buildings, the method includes: adding rough mineral grit to a mixer together with a first treatment mixture; mixing the rough mineral grit and the first treatment mixture until a coated mineral grit is obtained; heating the coated mineral grit to a predetermined firing temperature (Tc); and after heating the coated mineral grit, cooling the coated mineral grit to a predetermined intermediate cooling temperature (Tri). The first treatment mixture comprises: water; at least one pigment; at least one selected from the group consisting of sodium silicate and potassium silicate; kaolin; and at least one selected from the group consisting of an organo-siloxane and an organo-silane.
MODIFIED NANOCOMPOSITE MATERIAL
A modified nanocomposite material is provided, which includes an inorganic filler, a silicon dioxide, and a polymer matrix, in which the silicon dioxide is binding with a hydroxyl bond of the inorganic filler to form a silicon dioxide-inorganic filler, and the polymer matrix is dispersed over the silicon dioxide-inorganic filler. Another modified nanocomposite material is further provided, which includes an inorganic filler, a silicon dioxide, and a polymer matrix, in which the silicon dioxide is binding with a hydroxyl bond of the inorganic filler to form a silicon dioxide-inorganic filler, the organic modifier is associated with the silicon dioxide-inorganic filler and the polymer matrix is dispersed over the silicon dioxide-inorganic filler and the organic modifier.
CALCIUM CARBONATE-CONTAINING MATERIAL
A calcium carbonate-containing material and a process for preparing the inventive calcium carbonate-containing material, wherein a paint includes the inventive calcium carbonate-containing material, and to the use of the inventive calcium carbonate-containing material. The calcium carbonate-containing material is prepared from an avian eggshell, wherein the calcium carbonate-containing material has a weight-median particle size d50 of from 0.5 to 10 μm, and/or a weight top cut particle size d98 of from 2.0 to 40 μm, and wherein the calcium carbonate-containing material includes organic matter in an amount of below 1.5 wt. %, based on the total dry weight of the calcium carbonate-containing material, and wherein the calcium carbonate-containing material has i) a brightness from 90 to 100%, according to R457, and/or ii) L* from 95 to 100, according to DIN 6174.
CURED CONDUCTIVE BINDER MATERIAL, USES THEREOF AND METHODS OF FORMING SAME
The present invention relates to a method of forming a cured conductive binder material, to a method of forming a curable binder formulation, to a curable binder formulation, to a cured conductive binder material and to an electrochemical cell. In one embodiment, the method of forming a cured conductive binder material includes the steps of: (i) providing a liquid formulation comprising a liquid carrier, at least one active material, at least one polymeric binder and at least one modified metal coordination complex; and (ii) curing the liquid formulation of step (i), to thereby form a cured conductive binder material.
Thermoelectric Nanocomposite Materials
Thermoelectric (TE) nanocomposite material that includes at least one component consisting of nanocrystals. A TE nanocomposite material in accordance with the present invention can include, but is not limited to, multiple nanocrystalline structures, nanocrystal networks or partial networks, or multi-component materials, with some components forming connected interpenetrating networks including nanocrystalline networks. The TE nanocomposite material can be in the form of a bulk solid having semiconductor nanocrystallites that form an electrically conductive network within the material. In other embodiments, the TE nanocomposite material can be a nanocomposite thermoelectric material having one network of p-type or n-type semiconductor domains and a low thermal conductivity semiconductor or dielectric network or domains separating the p-type or n-type domains that provides efficient phonon scattering to reduce thermal conductivity while maintaining the electrical properties of the p-type or n-type semiconductor.
MXENES-METAL AND CERAMIC ASSEMBLIES AND COMPOSITES
A composite comprising a MXene and a post-transition metal wherein the post-transition metal is at least partially encapsulated by from 1 to 4 layers of the MXene. Methods of making such a composite are also disclosed.
IMPREGNATED POROUS POWDER WITH SUPERHYDROPHOBIC PARTICLES AND PREPARATION METHOD AND APPLICATION THEREOF
A method comprises: dispersing a nanoparticle sol, ammonia water and a waterborne hydrophobic treatment agent in deionized water to prepare a modified nanoparticle suspension, and obtaining a superhydrophobic modified nanoparticle powder by means of a spray drying process; and adding a porous ceramic micro-powder and a waterborne silane coupling agent into deionized water, then adding the superhydrophobic modified nanoparticle powder, performing constant stirring to prepare a superhydrophobic particle impregnating porous particle suspension, and obtaining the impregnated porous powder with superhydrophobic particles by means of a filter drying process or the spray drying process.