Abstract: Provided is a block copolymer that makes it possible to produce inorganic nanoparticles that can be dispersed in an organic solvent, the inorganic nanoparticles being of uniform size and a reducing agent not having to be used. A block copolymer including a catechol segment represented by formula (1).

Abstract: The disclosure is directed to an aqueous composition comprising a waterborne polymer, a non-ionic surfactant, a levelling component, an IR absorber, and at least one UV absorber.

Abstract: Even when a tin-based polymerization catalyst and a phosphorus-based compound are present in a poly-L-lactic acid (A) and a poly-D-lactic acid (B), by using a specific proportion of an organic acid metal salt or an organic metal salt for stereocomplex crystallization, a stereocomplex polylactic acid composition having a high stereocomplex crystallinity and a high stereocomplex crystal melting point, a small stereocomplex crystal melting point depression even after remelting, a small decrease in the molecular weight, excellent forming processability, and also heat resistance can be provided.

Abstract: Provided are a near infrared absorbing composition with which a cured film having excellent solvent resistance and thermal shock resistance can be manufactured, a near infrared cut filter, a method of manufacturing a near infrared cut filter, a solid image pickup element, a camera module, and an image display device. The near infrared absorbing composition includes: a resin A that satisfies the following condition a1; an infrared absorber B; and a solvent D. At least the resin A has a crosslinking group, or the near infrared absorbing composition further includes a compound C having a crosslinking group that is different from the resin A. condition a1: in a case where the resin A does not have a crosslinking group, a glass transition temperature of the resin A measured by differential scanning calorimetry is 0° C. to 100° C.

Abstract: The present invention relates to a method for forming a ceramic coating having improved plasma resistance and a ceramic coating formed thereby. The present invention discloses the method for forming the ceramic coating having improved plasma resistance and the ceramic coating formed thereby, comprising the steps of: receiving, from a powder supply portion, a plurality of ceramic powders having a first powder particle size range, and transporting the powders using a transport gas; and forming a ceramic coating in which a plurality of first ceramic particles within a first coating particle size range and a plurality of second ceramic particles within a second coating particle size range, which is larger than the first coating particle size range, by causing the transported ceramic powders to collide with a substrate inside a process chamber, at the speed of 100 to 500 m/s so as to be pulverized.

Abstract: The invention relates to provide an infrared shielding composition that can form an infrared cut filter in which flat coating properties are excellent and the generation of a pattern on the surface is suppressed and that has excellent drying resistance, an infrared cut filter, and a solid-state imaging device. The infrared shielding composition according to the invention includes at least metal containing tungsten oxide particles; a resin binder; a solvent A of which a boiling point is 170° C. to 200° C. at 1 atm; and a solvent B different from the solvent A, in which a content of the solvent A is 0.1 to 20 mass % with respect to a total mass of the infrared shielding composition.

Abstract: An optimized photochromic dye microenvironment isolated from and dispersed within a distinct host phase.

Abstract: Combined lanthanide metal (Ln(III))—coordination complex fluorescence can provide a versatile molecular platform for design of white-light-emitting materials with advanced multistimuli-responsive properties. Red, green and blue light emitting Ln(III) complexes can be combined in solution or in a polymer complex to achieve white luminescent materials responsive to various external stimuli (e.g. solvent polarity, temperature, pH, anion competition and mechanical stimuli).

Abstract: An aqueous noctilucent and allochroic glue that includes deionized water; a noctilucent material that includes long-afterglow phosphor powder and a transparent medium, wherein the noctilucent material includes particles formed by creating, curing, and then crushing a suspension, mixture, or sheet of the long-afterglow phosphor powder and transparent medium, and wherein the particles have been coated with allochroic material; adhesive; and suspension concentrate.

Abstract: A polymerizable composition for an optical material includes an episulfide compound (A); an organic coloring matter (B); an UV absorber (C); and a polymerization catalyst (D), wherein the organic coloring matter (B) has a main absorption peak (P) between 565 nm and 605 nm in a visible light absorption spectrum, an absorption coefficient (ml/g·cm) of a peak apex (Pmax) exhibiting a maximum absorption coefficient of (P) is equal to or greater than 0.5×105, a peak width in an absorbance of ¼ of an absorbance of (Pmax) of (P) is equal to or less than 50 nm, a peak width in an absorbance of ½ of the absorbance of (Pmax) of (P) is equal to or less than 30 nm, and a peak width in an absorbance of ? of the absorbance of (Pmax) of (P) is in a range of equal to or less than 20 nm.

Abstract: A flame retardant levulinic acid-based compound, a process for forming a levulinic acid-based flame retardant polymer, and an article of manufacture comprising a material that contains a flame retardant levulinic acid-based polymer are disclosed. The flame retardant levulinic acid-based compound has variable moieties, which include phenyl-substituted and/or R functionalized flame retardant groups. The process for forming the flame retardant polymer includes forming a phosphorus-based flame retardant molecule, forming a levulinic acid derivative, chemically reacting the phosphorus-based flame retardant molecule and the levulinic acid derivative to form a flame retardant levulinic acid-based compound, and incorporating the levulinic acid-based flame retardant compound into a polymer to form the flame retardant polymer.

Abstract: The invention relates to a flame-retardant polyamide composition comprising as component A) 1 to 96 wt % of one or more thermoplastic polyamides, as component B) 2 to 25 wt % of a dialkylphosphinic salt of the formula (I), and/or of a diphosphinic salt of the formula (II), and/or of polymers thereof, in which R1 and R2 are identical or different and are C1-C6-alkyl, linear, or branched, or H; R3 is C1-C10-alkylene, linear, or branched, C6-C10-arylene, C7-C20-alkylarylene, or C7-C20-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component C) 1 to 20 wt % of a salt of phosphorous acid, as component D) 1 to 20 wt % of a phosphazene, as component E) 0 to 50 wt % of filler or reinforcing agent, as component F) 0 to 1 wt % of a phosphonite or of a mixture of a phosphonite and a phosphite, and as component G) 0 to 1 wt % of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), w

Abstract: An improved personal protective device and composition thereof. The device comprises arc flash spectacles or goggles, an arc flash faceshield or an arc flash hood window to provide optical clarity, specifically color acuity. The spectacles or goggles, the faceshield and the hood window include polycarbonate material for high-impact, high-mass performance, and surface charring during arc flash exposure and provides an arc flash protective rating of at least 4 cal/cm2 (in the case of eyewear and face shields) or at least 15 cal/cm2 (in the case of hood windows).

Abstract: Provided herein are thermally conductive underfill compositions which have a combination of melt viscosity, glass transition temperature (Tg), coefficient of thermal expansion, and/or transparency that renders such materials useful for the preparation of a variety of electronic devices, such as flip chip packages, stacked dies, hybrid memory cubes, through-silica via (TSV) devices, and the like. In certain embodiments of the invention, there are provided assemblies comprising a first article permanently adhered to a second article by a cured aliquot of a formulation as described herein. In certain embodiments of the invention, there are provided methods for adhesively attaching a first article to a second article. In certain embodiments of the present invention, there are provided methods for improving heat dissipation by electronic devices assembled employing thermally conductive, but electrically non-conductive adhesive.

Abstract: A method and apparatus produce silicon-carbon composite materials through a chemical vapor deposition or a thermal disposition process in a fluidized bed reactor on a semi-continuous basis. The produced silicon-carbon composite has a unique structure that silicon particles are uniformly dispersed, bonded and embedded into the carbon conductive matrix and forming a secondary structure. The produced silicon-carbon composite can be used as advanced anode materials for lithium battery and other electrochemical energy storage device.

Abstract: In accordance with the present subject matter there is provided a hygroscopic homogeneous salt mixture including at least one alkali metal salt and a metal salt having water of crystallization. The subject matter also relates to a method for preparation of hygroscopic homogeneous salt mixture.

Abstract: Crosslinker-accelerator system for the thermal crosslinking of polyacrylates having functional groups capable of entering into linking reactions with epoxide groups, comprising at least one substance having at least one epoxide group as crosslinker and at least one substance of the formula R12N—CR2R3—CR4R5—(CR6R7)n—X in which the R1 independently represent hydrogen, a substituted or unsubstituted alkyl or cycloalkyl radical or together with the nitrogen atom form a 5-7-membered ring; R2, R3, R4, R5, R6 and R7 independently represent hydrogen or an alkyl radical having 1 to 8 carbon atoms or form a 5-7-membered cycloalkylene group; n=0; and X represents —OH, —OR, —SH, —SR and —PR2, in which R independently represents C1-C18 alkyl radical, C2-C18 alkenyl radical or C2-C18 alkynyl radical, an aryl group or an aliphatic or aromatic heterocycle, as accelerator.

Abstract: The present invention relates to a polymer composition (C) comprising at least one polyaryletherketone (PAEK), at least one polyphenylsulfone (PPSU), at least one polysulfone (PSU) and glass fibers having an elastic modulus of at least 76 GPa as measured according to ASTM D2343. Polymer composition (C) is very well suited for the manufacture of articles useful in areas as various as plumbing and electronics.

Abstract: An optimized photochromic dye microenvironment isolated from and dispersed within a distinct host phase.

Abstract: The present invention relates to a polymerizable polyacidic polymer and to a process for preparing the polymerizable polyacidic polymer. Furthermore, the present invention relates to an aqueous dental composition comprising the polymerizable polyacidic polymer, to a use of the polymerizable polyacidic polymer for the preparation of a dental composition and to an acrylic acid derivative copolymer.