Provided is a coating composition comprising (a) a component A of the formula (R.sup.1).sub.dSi(OR.sup.2).sub.4d, wherein R.sup.1 is a C1-C3 monovalent hydrocarbon, R.sup.2 is an R.sup.1 or a hydrogen radical and d is 0, 1 or 2; (b) a component B selected from the group consisting of (R.sup.3).sub.aSi(OR.sup.4).sub.4a (Formula 1) and/or (R.sup.5O).sub.m(R.sup.6).sub.nSi(R.sup.9).sub.x(R.sup.10).sub.y Si(R.sup.11).sub.zSi(R).sub.o(OR.sup.7).sub.p (Formula 2); (c) metal oxide particles; (d) UV absorber; (e) a catalyst; and (f) a solvent. The coating composition may provide a coating exhibiting good optical properties as well as durability, abrasion resistance, and/or crack resistance.

A composition for treating water including an organic soil amendment and having ions bound thereto is beneficial to aid in the removal of aqueous contaminants, such as phosphate, other phosphorus containing compounds, arsenic, arsenic containing compounds, fluorides, and PFAS from water. In these compositions the ions include rare earth cations, iron cations, and mixtures thereof. There are also methods for making these soil amendment compositions, as well as methods for using these compositions to effectively remove contaminants from water.

The present invention relates to an antimicrobial coating of a substrate, the coating being obtained by applying the coating on a surface of the substrate by means of an electrostatic spraying method, and the coating comprising at least one metal oxide and/or at least one metal salt. Furthermore, the present invention relates to an electrostatic spraying method for coating at least one substrate with an antimicrobial coating. In addition, the present invention relates to a use of a coating material for producing an antimicrobial coating on a surface of a substrate, with the coating comprising at least one metal oxide and/or at least one metal salt.

To provide a liquid composition capable of forming a membrane excellent in durability against hydrogen peroxide or peroxide radicals and excellent in hydrogen gas barrier property; a polymer electrolyte membrane; a membrane electrode assembly; and a polymer electrolyte fuel cell. Liquid composition comprising a liquid medium, an acid-type sulfonic acid group-containing fluorocarbon polymer of which the hydrogen gas permeation coefficient under the conditions of a temperature of 80 C. and a relative humidity of 10% is at most 2.510.sup.9 cm.sup.3.Math.cm/(s.Math.cm.sup.2.Math.cmHg), and cerium atoms; a polymer electrolyte membrane 15 comprising the acid-type sulfonic acid group-containing fluorocarbon polymer, and cerium atoms; and a membrane electrode assembly 10 comprising an anode 13 having a catalyst layer, a cathode 14 having a catalyst layer, and the polymer electrolyte membrane 15 disposed between the anode 13 and the cathode 14.

The present invention stands directed at the use of nanoporous cerium oxide nanoparticle macro-structures as autoxidation inhibitors of organic compounds susceptible to autoxidation. The nanoporous cerium oxide nanoparticle macrostructures are more specifically employed in combination with a co-antioxidant.

A heat-stabilized polyamide composition comprising from 25 wt % to 90 wt %% of an amide polymer from 0.01 wt % to 10 wt % of a cerium-based heat stabilizer, a second heat stabilizer, a halide additive, and less than 0.3 wt % of a stearate additive. A weight ratio of halide additive to stearate additive is less than 45.0.

A photocurable composition including the following components (A) to (D), (A) a monomer having one (meth)acryloyl structure, (B) a crosslinking agent having two or more (meth)acryloyl structures, (C) an inorganic ultraviolet-blocking agent having a 50% volume cumulative particle size of 1 to 50 nm, and (D) a photopolymerization initiator in an amount of 0.05 to 1 part by weight, relative to total 100 parts by weight of components (A) and (B), wherein a part or all of component (A) is a hydrophilic monomer, and a content of the hydrophilic monomer is 70% by weight or more, relative to the total weight of components (A) and (B).

PVC compositions disclosed herein comprise PVC resin, a co-precipitated rare earth additive, and an inorganic flame retardant. These PVC compositions demonstrate an improved flame retardance and have UL94 classification with a sample thickness of about 0.8 mm of V-2 or higher. The co-precipitated rare earth additive contains a rare earth and one or more of zinc, aluminum, and magnesium, wherein the co-precipitated rare earth additive contains about 5 to about 95% by weight rare earth measured on an oxide basis. The inorganic flame retardant can be ATO, MDH, ATH, or mixtures thereof. The co-precipitated rare earth additive provides improved properties in comparison to an identical PVC composition containing the components of the co-precipitated additive but added to the PVC composition as a blend of these components rather than a co-precipitant.

The invention provides an aqueous silicone resin emulsion for preparing a coating composition, an aqueous coating composition using the same, and a method for producing an aqueous clear coating composition.

A coating composition containing (A) 100 parts by mass of a room-temperature-curable resin and (B) 0.1-50 parts by mass of core-shell microparticles that include tetragonal titanium oxide solid solution microparticles in which tin and manganese have been dissolved as the core and a shell of silicon oxide on the outer side of the core exhibits room-temperature curability during coating film curing and exhibits UV shielding properties while maintaining transparency to visible light, whereby it is possible to provide a cured film capable of suppressing discoloration and deterioration of a substrate without compromising the appearance of the substrate.