Abstract: A catalyst for hydrosilylation is provided. The catalyst comprises a nanoparticle having a surface and a plurality of ligands are tethered to the surface of the nanoparticle. Each ligand includes an independently selected cyclic aliphatic hydrocarbon group having one unsaturated moiety. Platinum is bonded to the unsaturated moiety the cyclic aliphatic hydrocarbon group in the catalyst. A method of preparing the catalyst is also provided. The method comprises mixing a ligand functionalized nanoparticle and a platinum mixture to give the catalyst.

Abstract: An article of manufacture comprising a polyester composition, the article comprising, as measured by differential scanning calorimetry with a heating rate of 20° C. per minute on first heating according to ASTM D3418, at least two different crystalline melting temperatures, wherein a first crystalline melting temperature and a second crystalline melting temperature are each independently 200-290° C.; and a first heat of fusion and a second heat of fusion that are each independently at least 3 J/g, preferably wherein a ratio of the first heat of fusion to the second heat of fusion is 1:5-5:1, wherein the polyester composition comprises a first polyester having a phosphorous content of greater than or equal to 20 ppm, a second polyester, and 5-50 weight percent of a plurality of fibers, based on the total weight of the polyester composition, wherein the plurality of fibers have a diameter of 5-25 micrometers.

Abstract: The issue of the present invention is to provide a disazo pigment with high safety in which the content of chemical substances that may be harmful, in particular, in the food packaging field and the like and that may be regulated substances is reduced. A disazo pigment according to the present invention has a polychlorinated biphenyl content of less than 15 ppm and a primary aromatic amine content of less than 700 ppm. Preferably, the disazo pigment is at least one selected from a group consisting of C.I. Pigment Yellow 83, C.I. Pigment Yellow 13, and Cl. Pigment Yellow 14.

Abstract: A resin composition contains a polyphenylene ether compound having a carbon-carbon unsaturated double bond at the terminal, a maleimide compound (A) having an indane structure in the molecule, and an inorganic filler.

Abstract: A styrene resin composition includes: a resin (A) comprising a styrene resin (A1) having a syndiotactic structure and an aliphatic polyamide (A2); and 0.05 to 0.75% by mass of a metal salt (B) of a higher fatty acid. The mass ratio [(A1)/(A2)] between the styrene resin (A1) and the aliphatic polyamide (A2) in the resin (A) is 25/75 to 55/45.

Abstract: The present invention pertains to nanoemulsions of alkyd in aqueous liquids and e.g. nanoemulsions prepared by emulsifying an alkyd mixture in an aqueous liquid, said alkyd mixture comprising an alkyd and an unsaturated hydroxy fatty acid. The invention furthermore pertains to methods of producing the nanoemulsion, and to uses of the nanoemulsion and/or the alkyd nano droplets contained therein.

Abstract: Thermoplastic silicone vulcanisates as masterbatch additives in thermoplastic compositions including thermoplastic elastomer compositions are disclosed. Using thermoplastic silicone vulcanisates as masterbatch additives have been found to, for example increase impact resistance, decrease mechanical modulus and increase surface properties comparative to non-modified thermoplastic compositions. A process for making the masterbatch and thermoplastic composition is also described.

Abstract: Thermoplastic polymer particles suitable for use in additive manufacturing and related methods may comprise lignin. For example, said polymer particles may comprise a thermoplastic polymer, a lignin, optionally an emulsion stabilizer, and optionally a compatibilizer. Said polymer particles may be produced by melt emulsification methods and be highly spherical and, consequently, suited for selective laser sintering methods of additive manufacturing.

Abstract: A curable composition includes a perfluoro(poly)ether group-containing silane compound represented by the general formula (I) (wherein, definitions of each group are as described in the specification); (b) an organic silicon compound having at least two OR2 groups bonded to Si atom (here, R2s are each independently a hydrogen atom or a monovalent organic group at each appearance) or a partially hydrolyzed condensate thereof; and (c) a condensation catalyst.

Abstract: The present disclosure generally relates to a dispersant obtained from the reaction of a liquid isocyanate compound and a polyoxyalkylene amine and its use in dispersing various particulate solids in an aqueous or organic medium.

Abstract: The invention relates to an aqueous pseudoplastic gel composition, having a first viscosity ?1 at a shear rate of 0.01 s?1 of between 5 and 200 Pa·s and a second viscosity ?2 at a shear rate of 100 s?1 that is between 10 and 1000 times lower than the first viscosity, wherein the aqueous pseudoplastic gel consists of, based on the total weight of the composition: 15-60 wt. % of water; 20-60 wt. % of spherical glass beads having a median particle diameter D50, as measured with laser diffraction, between 5 and 150 ?m, and a refractive index, measured at a wavelength ? of 589 nm, between 1.8 and 2.8; 0.15-1.5 wt. % of a thickener; and 0-50 wt. % of one or more further ingredients. The invention further relates to methods for its preparation. The invention further concerns a process for coating a substrate with a retroreflective layer using said aqueous pseudoplastic gel composition and to substrates coated with a retroreflective layer obtainable by said process.

Abstract: Provided is a method for preparing superabsorbent polymer, which includes conducting first surface crosslinking of a base resin powder while raising the temperature to a first temperature, in the presence of a first surface crosslinking agent; conducting second surface crosslinking of the first surface crosslinked base resin powder at a second temperature. According to the method of the present technology, surface crosslinking strength of the resulting superabsorbent polymer is increased, thus enabling preparation of superabsorbent polymer having little or no decline in absorbency under load even after anti-caking agent treatment.

Abstract: To provide a weight-reduced, fiber-reinforced molded body. A fiber-reinforced molded body comprising a matrix resin, reinforcing fibers and hollow particles, wherein the hollow particles comprise a shell containing a resin and a hollow portion surrounded by the shell; wherein the shell contains, as the resin, a polymer in which from 80 parts by mass or more of a crosslinkable monomer unit is contained in 100 parts by mass of all monomer units; and wherein, in a hollow particle immersion test in which a mixture obtained by adding 0.1 mg of the hollow particles to 4 mL of acetone and shaking them for 10 minutes at a shaking rate of 100 rpm, is left to stand for 48 hours in an environment at 25° C., less than 5% by mass of the hollow particles submerge in the acetone.

Abstract: The present invention relates to a method for preparing a multiplicity of containers of paints or pre-paints from separate vessels containing an aqueous solution of a rheology modifier, optionally an aqueous dispersion of an opacifying pigment, an aqueous dispersion of polymer particles, and an aqueous dispersion of organic polymeric microspheres. The process of the present invention provides a simple and cost-effective way of preparing a wide variety of a large quantity of contained and finished paints at point-of-sale.

Abstract: An ink comprises (i) a carrier; (ii) graphene and/or graphene oxide particles dispersed in the carrier; and (iii) a viral active and/or anti-microbial component adhered to the graphene and/or graphene oxide particles.

Abstract: Disclosed herein are compositions for coating an optical fiber containing an optional reactive monomer and/or oligomer, a self-healing component with self-healing moieties, an initiator component, and optionally an additive component. The self-healing component preferably includes polymerizable moieties. Such compositions contain greater than 30% by weight of the self-healing component, and/or greater than 0.015 equivalents of self-healing moieties per 100 g of the composition. Also disclosed herein are coated optical fibers having a glass fiber, at least one coating layer and an optional ink layer, which are configured to possess self-healing properties and/or stress relaxation behavior. Further disclosed are methods for coating self-healing optical fibers, and optical fiber cables comprising a one or more self-healing coated optical fibers.

Abstract: The present disclosure provides compositions and products formed therefrom. In particular, the disclosure provides elastomeric latex articles, such as gloves and condoms, that can be prepared utilizing a styrene-polyisoprene-styrene (SIS) latex. The elastomeric articles can exhibit desired tensile properties while being substantially or completely free of undesired components, such as sulfur and zinc oxide, which can be allergens. The disclosure further provides methods of preparing elastomeric latex articles.

Abstract: Silica particles have a dielectric loss tangent of 0.01 or less at 1 GHz and satisfy the requirements (i), (ii) and (iii): (i) an average primary particles diameter of 5 nm to 120 nm; (ii) a ratio of a specific surface area by water vapor adsorption (SH2O) to a specific surface area by nitrogen adsorption (SN2); i.e., (SH2O/SN2) of 0.6 or less; and (iii) a total silanol group content of 5% or less as determined by the following Formula (1): total silanol group content (%)=(Q2×2/4+Q3×1/4+Q4×0/4) . . . Formula (1) [in Formula (1), each of Q2, Q3 and Q4 is the proportion (%) of the peak areas derived from silicon atom structures], and a silica dispersion.

Abstract: A novel cyclic phosphazene compound that is represented by Formula (1) and is useful as a flame retardant of a resin material can enhance flame retardancy of the resin material and achieve good dielectric properties while suppressing deterioration in physical properties. In Formula (1), n is an integer of 3 to 8. R1 and R2 are (i) each independently a nitro group, either an alkyl group or an alkoxy group having 1 to 8 carbon atoms in which an alkyl group having 1 to 6 carbon atoms or an aryl group may be substituted, or an either aryl group or an aryloxy group having 6 to 20 carbon atoms in which an alkyl group having 1 to 6 carbon atoms or an aryl group may be substituted; or (ii) forming, in-between them, a saturated or an unsaturated cyclic structure that may be substituted with an alkyl group having 1 to 6 carbon atoms or a carbonyl group. a and b are each independently an integer of 0 to 4. The type of the oxaphosphorin ring-containing structure of each repeating unit is independent.

Abstract: A method for producing a fluoropolymer powder including (A1) adding, to a fluoropolymer aqueous dispersion obtained by polymerization using a carboxylic acid type hydrocarbon surfactant, and an acid to adjust a pH to 4.0 or less and cause coagulation to thereby obtain a wet fluoropolymer powder containing a fluorine-containing compound represented by the following general formula (1A), and (B1) heat-treating the wet fluoropolymer powder at a temperature higher than 150° C. and lower than 240° C.: General Formula (1A): H—(CF2)m—COOH wherein m is 3 to 19.