Abstract: The present specification discloses nontoxic fire extinguishing agent compositions, devices, methods and uses of same that are safe for both users and the environment. In particular examples, the nontoxic fire extinguishing agent comprises a microbial supernatant.

Abstract: A luminophore having the empirical formula A3M*OxF9-2x:Mn4+ where A may be or include Li, Na, Rb, K, Cs, or combinations thereof. M* may be or include Cr, Mo, W, or combinations thereof. x may be or include 0<x<4.5.

Abstract: A method may produce a two-stage heat regenerating cryogenic refrigerator including a vacuum vessel, first and second cylinder disposed in the vessel, the second cylinder coaxially connected to the first cylinder, and first and second regenerator respectively disposed in the first and second cylinder. The method may include: accommodating a first heat regenerating material (HRM) in the first regenerator; and filling a plurality of HRM particles in the second regenerator. The HRM particles may be a second HRM, each of the HRM particles including an oxide or oxysulfide heat regenerating substance having a maximum value of specific heat at a temperature of ?20 K of 0.3+ J/cm3·K and Ca, Mn, Mg, Be, Sr, Al, Fe, Cu, Ni, and/or Co. Each of the HRM particles may include a first and second region, the second region being closer to an HRM particle outer edge than the first region.

Abstract: A non-halogenated flame retardant polyamide composition is disclosed which comprises a polyamide, a non-halogenated flame retardant, a PA-6 homopolymer, and at least one heat stabilizer comprising a copper-containing heat stabilizer, an amine-containing heat stabilizer, or a phenol-containing heat stabilizer. The polyamide may have a ratio of carboxylic acid to amine end groups of greater than 1.8:1. The polyamide composition may comprise less than 900 ppm of bromine. Products formed from the composition are also disclosed.

Abstract: In the glass fiber-reinforced resin molded article, the glass fiber has a flat cross-sectional shape having a ratio of the major axis to the minor axis (major axis/minor axis) in the range of 5.0 to 10.0, the thermoplastic resin is polyaryletherketone, the number average fiber length L of the glass fiber having a length of 25 ?m or more contained in the glass fiber-reinforced resin molded article is in the range of 50 to 300 ?m, the proportion PS of the glass fiber having a length of 25 to 100 ?m contained in the glass fiber-reinforced resin molded article is in the range of 20.0 to 60.0%, the proportion PL of the glass fiber having a length of 500 ?m or more is in the range of 1.0 to 15.0%; and the L, PS, PL satisfy the following formula (1). 39.5?L×PS2/(1000×PL)?82.

Abstract: A method may produce a heat regenerating material particle, including: preparing a slurry by adding a powder of the heat regenerating substance to an alginic acid aqueous solution and mixing the powder of the heat regenerating substance and the aqueous alginic acid solution; and forming a particle by gelling the slurry by dropping the slurry into a gelling solution. The gelling solution may include a metal element including calcium (Ca), manganese (Mn), magnesium (Mg) beryllium (Be), strontium (Sr), aluminum (Al), iron (Fe), copper (Cu), nickel (Ni), and cobalt (Co). The forming may involve controlling the gelation time so that a concentration of the metal element in a first region of the particle becomes lower than a concentration of the metal element in a second region. The second region may be closer to an outer edge of the particle compared to the first region.

Abstract: A polymer dye includes at least one repeating unit represented by the following structural formula 1 and at least one selected from the group consisting of repeating units represented by the following structural formulas 2 and 3: Hydrogen peroxide present in or generated through enzymatic reaction in a biological sample can be detected by using the polymer dye.

Abstract: Methods of producing silicon carbide, and other metal carbide materials. The method comprises reacting a carbon material (e.g., fibers, or nanoparticles, such as powder, platelet, foam, nanofiber, nanorod, nanotube, whisker, graphene (e.g., graphite), fullerene, or hydrocarbon) and a metal or metal oxide source material (e.g., in gaseous form) in a reaction chamber at an elevated temperature ranging up to approximately 2400° C. or more, depending on the particular metal or metal oxide, and the desired metal carbide being produced. A partial pressure of oxygen in the reaction chamber is maintained at less than approximately 1.01×102 Pascal, and overall pressure is maintained at approximately 1 atm.

Abstract: The disclosed technology relates to a heat transfer system and heat transfer method employing stable colloidal dispersion of a) a non-conductive, non-aqueous and non-water miscible dielectric oleaginous heat transfer fluid, b) at least one solid nanoparticle, and c) a surfactant. In particular, the technology relates to a stable colloidal dispersion with low electrical conductivity, low flammability, and low freeze point that provides excellent peak temperature reduction in a heat transfer system, such as that for cooling a battery pack or a power system of an electric vehicle.

Abstract: Provided are a heterocyclic compound and an electronic apparatus. The electronic apparatus includes: a substrate; an organic light-emitting device on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device, the thin film encapsulation portion including an ultraviolet (UV) stabilizing mixture, and the UV stabilizing mixture including a UV absorbent and a radical scavenger.

Abstract: Disclosed are an aerogel with a hierarchical pore structure formed using a pulsed laser technology, and a preparation method and use thereof. In the preparation method, a nano silicon-containing inorganic material as a freezing element, a biomass polymer as a cross-linking agent, and deionized water as a solvent are mixed and a resulting mixture is left to stand and gelatinized to obtain a hydrogel; the hydrogel is frozen to form ice crystals therein, and the ice crystals are removed by freeze-drying to obtain a micron-nano porous aerogel; the micron-nano porous aerogel is subjected to customized millimeter-scale punching using a pulsed laser to obtain an aerogel with a millimeter-micron-nano hierarchical pore structure.

Abstract: The present application relates to a process for preparing polyesters comprising reacting a dicarboxylic acid with butanediol in the presence of a catalyst, wherein in the process an aluminosilicate is present, as well as the use of aluminosilicates in such a process.

Abstract: A mixed coating material is obtained by mixing a cold curing resin that undergoes reaction curing at normal room temperature, and a fluororesin. The constituent ratio of the fluororesin in a coating film ranges from 43 wt % to 68 wt %.

Abstract: Ionic superatomic materials that can be solution-processed into completely amorphous and homogeneous thin films are disclosed herein. The amorphous materials disclosed herein have tunable compositions and have electrical conductivities of up to 300 siemens per meter, thermal conductivities of 0.05 watt per meter per degree Kelvin, and optical transparencies of up to 92%. Application of these thin-films are also provided herein.

Abstract: A gas-barrier composition including nanocellulose containing at least one of a sulfuric acid group, a sulfo group, or a phosphoric acid group; and a reactive crosslinking agent.

Abstract: A method of producing a thermoplastic starch by an in-situ reactive extrusion plasticization process and a method for preparing a starch/polymer blend by an in-situ reactive extrusion plasticization and compatibilization process. In the method, a plasticizer reaction precursor (or a plasticizing compatibilizer reaction precursor) is mixed with starch to adhere to the surface of the starch or enter the starch to break the intermolecular and intramolecular hydrogen bonds of the starch. Then a mixture of the plasticizer reaction precursor (or the plasticizing compatibilizer reaction precursor) and starch is subjected to extrusion to produce the thermoplastic starch (or the starch/polymer blend), where the reaction precursor undergoes an in-situ reaction on the surfaces of the starch and in the starch to form a macro-molecular plasticizer (or a plasticizing compatibilizer) to plasticize starch or provide plasticizing and compatibilizing effect on the starch/polymer blend.

Abstract: The present disclosure belongs to the technical field of biosensors and particularly provides a construction method for a photocathode indirect competition sensor and an evaluation method. The construction method includes: using Z-type Bi2O3/CuBi2O4 as a sensing platform; calculating a photoinduced electron Z-type transfer path and an energy band structure of Bi2O3 and CuBi2O4 using a density functional theory (DFT); and constructing a Bi2O3/CuBi2O4-based biosensor. A photoelectrochemical (PEC) photocathode biosensor based on a Bi2O3/CuBi2O4 heterojunction prepared through the solution has good repeatability, reproducibility, stability, and specificity for detecting a target. The PEC biosensor constructed in the solution of the present disclosure has a broad application prospect in the fields of healthcare, environment, and food.

Abstract: An aqueous composition includes water and a cationic polymeric resin having at least one reactive aldehyde group and formed from the reaction of glyoxal and a polymer. The polymer comprises at least one acrylamide repeating unit and at least one cationic repeating unit wherein a number of reactive aldehyde equivalents divided by a number of equivalents of residual glyoxal based on the total weight of the polymer is greater than about 1.2, wherein prior to reaction the polymer has greater than about 50 mole % acrylamide repeat units and from about 2 to about 30 mole % cationic repeating units, wherein greater than about 5 mole % of the acrylamide repeating units are converted to reactive aldehyde groups in the cationic polymer resin; and wherein the composition exhibits a viscosity gain of less than about 200%.

Abstract: A composition and a method for preparing a polymer composite article. The composition comprises (A) a filler in an amount of from 10 to 90 wt. %. The composition also comprises (B) a polymer in an amount of from 10 to 90 wt. %, wherein the (B) polymer comprises a polyvinyl. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 10 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.

Abstract: The disclosure of the present patent application relates generally to a process to recycle both polyethylene terephthalate (PET) and carbon fiber reinforced composite (CFRP) prepreg (fibers pre-impregnated with typically thermoset resin) and/or CFRP materials to produce a PET/Carbon Fiber Composite where the optimum amount of carbon fibers positively affects the mechanical and physical properties, and such properties were improved over pure recycled PET. The process of breaking down both the PET and CFRP product(s) into pieces for recycling is mechanical-only, and the broken-down pieces are combined in a single screw extruder with varying percentages of recycled CFRP pieces to determine the amount of CFRP pieces that produces the optimum mechanical and physical properties that are particularly improved over pure recycled PET.