The present invention relates to an aqueous coating composition comprising: (a) a film-forming resin selected from polyesters made from monomers comprising a polyetherpolyol and a polycarboxylic acid, the polyester bearing functional groups and having a Tg of less than 10 C. measured according to ASTM D3418-15 (midpoint temperature, at a heating rate of 20 C./min); (b) a rheology modifier selected from inorganic and resinous rheology modifiers and combinations thereof; (c) one or more color-imparting pigments or effect pigments or combinations thereof; and (d) one or more cross-linking agents that are reactive with the functional groups of the film-forming resin according to a), wherein the coating composition exhibits a low shear viscosity of 0.5 to 40 Pas at 0.1 s.sup.1 at 25 C. measured according to ASTM 22196-15 Method B Spindle No X, a method for making said coating composition, a method for coating an automotive substrate utilizing said coating composition and a coated substrate comprising a base coat layer deposited from said coating composition.

The invention in relates in particular to a rubber composition able to be extruded to form an inner layer of a fuel hose for a motor vehicle, a method for preparing this composition, this hose and a fuel feed circuit of a motor vehicle incorporating it. This composition is based on at least one fluoroelastomer (FKM) and includes a filler and a micronised powder of at least one fluorinated thermoplastic polymer which are dispersed in said at least one fluoroelastomer. According to the invention, the composition includes said micronised powder according to a quantity greater than 20 phr (phr: parts by weight per 100 parts of elastomer(s)), and the filler includes at least one inorganic filler having lamellas which has an aspect ratio greater than 30 and which is based on a phyllosilicate chosen from kaolinite and micas, or is based on a talc.

A circuit board according to an embodiment of the present invention comprises: a first metal layer; an insulating layer disposed on the first metal layer and comprising boron nitride agglomerate particles coated with a resin; and a second metal layer disposed on the insulating layer, wherein: one of both surfaces of the first metal layer, on which the insulating layer is disposed, is in at least partial contact with one surface of the insulating layer; one of both surfaces of the second metal layer, on which the insulating layer is disposed, is in at least partial contact with the other surface of the insulating layer; a plurality of grooves are formed on a surface which is one of both surfaces of at least one of the first metal layer and the second metal layer and which has the insulating layer disposed thereon; at least some of the particles are arranged in at least some of the plurality of grooves; the width (W) of at least one of the plurality of grooves is 1 to 1.8 times D50 of the particles; and a ratio (D/W) of the depth (D) to the width (W) of at least one of the plurality of grooves is 0.2 to 0.3.

A method for producing a material, in which method the following products are incorporated so as to produce a mixture: a polymer; and particles including silicon and carbon. A feature of the method is that during the incorporation of the particles, the particles have an apparent density of more than 0.3 grams per cubic centimeter. Also, in embodiments, the particles have an average diameter which is less than or equal to 100 nanometers, preferably with a standard deviation which is less than 50% of the average diameter.

An attrition-resistant superabsorbent polymer and a preparation method thereof are disclosed herein. In some embodiments, an attrition resistant superabsorbent polymer includes a superabsorbent polymer having a crosslinked surface, water, particles, a multivalent metal salt, an organic acid and a polyhydric alcohol, wherein the particles having a BET specific surface area of 300 to 1500 m.sup.2/g and a porosity of 50% or more.

The present invention relates to an attrition-resistant superabsorbent polymer comprising a superabsorbent polymer; water; and at least three selected from the group consisting of particles having i) a BET specific surface area of 300 to 1500 m.sup.2/g and ii) a porosity of 50% or more, a multivalent metal salt, an organic acid and a polyhydric alcohol, and a preparation method thereof.

An embodiment of the present invention provides a rubber composition for tires and a method for producing same, wherein the rubber composition for tires includes: carbon nanotubes including structural defects on at least a portion of the surface and having a thermal decomposition temperature equal to or less than 600 C.; and a rubber matrix.

Provided herein are methods for the controlled, independent modification of the surface of magnesium-based materials and compositions generated thereby. The methods allow for the alteration of multiple surface characteristics including generation of precise nanostructures, morphology, crystallography, chemical hybridizations and chemical composition for controlled bioresorption and/or increased biocompatibility, for example, osseointegration, hydroxyapatite formation, osseoconduction, cell adhesion, cell proliferation, enhanced local mechanical properties (elasticity, modulus, surface texture, porosity), hydrophobicity, hydrophilicity, steric hindrance, modulating-immuno response, anti-inflammatory properties and/or anti-bacterial properties.

Provided herein are systems and methods for the controlled surface modification of a material substrate, including, for example, generation of nanostructures, crystallographic or morphologic alterations and the removal of defects, changes in chemical composition and bond structure and the creation of thermodynamic metastable states. The provided systems and methods utilize one or more directed energetic particle beams with independently controlled parameters (e.g. incident angle, fluence, flux, energy, species, etc.) to precisely and efficiently generate enhanced surface properties beyond those of conventional plasma kinetic roughening.

Provided is a resin material capable of effectively enhancing insulation properties, adhesiveness and long-term insulation reliability. The resin material according to the present invention contains first inorganic particles having an average aspect ratio of 2 or less and an average circularity of 0.90 or less, second inorganic particles having an average aspect ratio of 2 or less and an average circularity of 0.95 or more, third inorganic particles having an average aspect ratio of more than 2, and a binder resin.