The present disclosure relates, according to some embodiments, to photostable photoactive compositions comprising (a) at least one photoactive compound that develops within itself an excited state energy when subjected to UV radiation and (b) a block copolymer comprising a plurality of blocks, wherein the block copolymer is operable to quench the excited state energy.

The present invention relates to a hydrophobic antimicrobial agent comprising a mineral material, which is surface coated with a copper and/or silver salt of at least one fatty acid, a method for its manufacture, wherein at least one fatty acid and at least one copper and/or silver salt are dissolved in a non-aqueous solvent, the solutions are combined, the copper and/or silver salt of the at east one fatty acid is precipitated by adding water, separated, and surface coated onto the mineral material. Furthermore, the present invention relates to the hydrophobic antimicrobial agent obtained by said method, the use thereof as a filler, products comprising the hydrophobic antimicrobial agent, and the use of a copper and/or silver salt of at least one fatty acid for surface coating a mineral material.

The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy is an iron-chromium alloy or an iron-chromium-aluminum alloy, having a substantially nickel-free composition. The coating composition includes a plurality of the pigment flakes disposed in a binder medium.

The present invention discloses a sound absorption material including an organic frame material; a binder; a thickener; and a plurality of sound absorption grains attached to the organic frame material via the binder, having a grain size in a range of 10-100 μm. The stability and the sound absorption performance of the sound absorption material have been effectively improved.

Provided are bitumen nanocomposites. The bitumen nanocomposites have one or more clay, one or more polymer composition, and bitumen. A polymer composition can have one or more polymer and one or more crumb rubber. A polymer may have one or more maleic anhydride group. The bitumen nanocomposites can be used in, for example, road surfacing products and roofing products.

This disclosure concerns flux-calcined products manufactured from filtration waste streams, and methods for manufacturing the same. In particular, it concerns functional additives produced from spent cake comprising diatomite filtration media which are suitable for use in paints, plastic films and elastomers for control of optical and surface properties, and processes which are suitable for manufacture of such products. It further concerns the recovery of energy from spent cakes during the regeneration process.

A method of forming a liquid dispersion of 2D material/graphitic nanoplatelets in an aqueous solution is disclosed. The method comprises the steps of (1) creating a dispersing medium; (2) mixing the 2D material/graphitic nanoplatelets into the dispersing medium; and (3) subjecting the 2D material/graphitic nanoplatelets to sufficient shear forces and or crushing forces to reduce the particle size of the 2D material/graphitic nanoplatelets using a mechanical means. The liquid dispersion comprises the 2D material/graphitic nanoplatelets, at least one grinding media, water, and at least one wetting agent, and that the at least one grinding media is water soluble or functionalised to be water soluble.

A particulate polyurea compound a2) for reducing gloss of coatings, a resin composition and a crosslinkable composition comprising the particulate polyurea compound is provided, wherein the volume percentage of particles of the particulate polyurea compound having a diameter of smaller than 10 μm is equal or less than 40%, and the volume percentage of the polyurea product having a diameter larger than 20 μm is equal or more than 11%.

The present invention mainly relates to a protective varnish hardenable by radiation comprising at least one compound hardenable by cationic or radical means and at least one metal selected from silver, copper, zinc and mixtures thereof, characterized in that said metal is in the zero oxidation state and in a supported particulate form.

Described are sealing primer compositions that can be used to reduce paint defects such as pops or vapor boil on painted plastic substrates, as well as related methods for sealing plastic substrates, and sealed plastic substrates. Sealing primer compositions of the invention include a functionalized polydiene polymer such as a hydroxylated or other functional-group-containing polybutadiene polymer.