The invention relates to the use of i) geopolymer and ii) non-brominated, phosphorus- and/or nitrogen-based flame retardants for improving the self-extinguishing properties of a composition comprising polymer. The polymer may be a vinyl aromatic polymer, and may be in a granulate or foam.

An aqueous dispersion and an aqueous coating composition comprising the aqueous dispersion, and the aqueous coating composition providing coatings made therefrom with improved anti-corrosion property and good water resistance and block resistance.

A process for producing a thermoformable and/or -embossable fiber/polymer composite using a fibrous lignocellulosic substrate S and a polymer P, which contains i) homogeneously mixing the substrate S and the polymer P, then ii) converting the substrate S/polymer P mixture to a fiber web, and then iii) compacting the resultant fiber web at a temperature not less than the glass transition temperature of the polymer P [Tg.sup.P] to give a thermoformable and/or -embossable fiber/polymer composite, wherein a) the substrate S comprises acetylated lignocellulosic fibers, and b) the polymer P is thermoplastic and has a Tg.sup.P≥20° C. The invention relates to a fiber/polymer molding obtainable by the process and a component in motor vehicle construction, in built structures and in furniture which contains the fiber/polymer molding.

The present disclosure relates to a CFRP structural body having improved flame retardancy, and a carbon fiber prepreg capable of giving a CFRP structural body having improved flame retardancy.

A CFRP structural body comprising CFRP, in which the CFRP structural body is molded from a carbon fiber prepreg comprising a carbon fiber mat formed of chopped carbon fiber bundles with a filament count of 3K or less impregnated with a resin composition, a carbon fiber content of the CFRP is 60% by mass or more, and the CFRP structural body does not have a portion with a thickness of less than 4 mm; and a prepreg comprising a carbon fiber mat impregnated with a resin composition, in which the carbon fiber mat is formed of chopped carbon fiber bundles with filament counts of 3K or less, and a carbon fiber content of the prepreg is 60% by mass or more.

A polymer matrix composite includes a porous polymeric network structure; and a plurality of acoustically active particles distributed within the polymeric network structure. The weight fraction of acoustically active particles is between 0.80 and 0.99, based on the total weight of the polymer matrix composite. The polymer matrix composite has an air flow resistance of less than 100 seconds/50 mL/500 μm.

The invention relates to the use of a mineral having perovskite structure in vinyl aromatic polymer foam, i) for decreasing the thermal conductivity, ii) for increasing the mechanical properties (namely compressive strength and bending strength), or iii) for improving the self-extinguishing properties of the foam. The polymer foam further comprises one or more athermanous additives selected from a) powder inorganic additive selected from powders of silica and calcium phosphate, b) powder carbonaceous additive selected from powders of graphite, carbon black, petroleum coke, graphitized carbon black, graphite oxides, and graphene, and c) powder geopolymer and powder geopolymer composite.

Foamable polystyrene compositions with enhanced blowing agent solubility and methods of making such polystyrene compositions by incorporating a polar additive in styrenic polymer or copolymers.

This invention generally relates to transparent compositions containing a blend of poly(phenylene ether) and styrenic polymer, methods for their manufacture, and food packaging films and containers derived therefrom.

The invention relates to an aqueous coagulatable polymer dispersion comprising at least one polymer which is dispersed in an aqueous phase, thermoplastic micro-spheres which contain a propellant, and at least one additional component which is selected from the group consisting of polyols, polyamines, and thermoplastic polymers. The invention further relates to a coagulate which can be obtained by the thermal and/or mechanical and/or ultrasonically-initiated coagulation of the aqueous polymer dispersion according to the invention, to an adhesive comprising or consisting of the coagulate, to a substrate which is completely or partly coated with said coagulate, to a method for producing such a coated substrate, and to coated substrates which can be obtained using said method. The coagulate can be used as an adhesive or as a binder in 3D-printing methods.

Prepare an extruded polystyrene foam that is characterized by being a singular polymer foam that is free of halogenated blowing agents, having a milled primary surface, having a width of 750 millimeters or more, and further characterized by having a ρ(CST/CSP) value that is 50 kilograms per cubic meter or less and a milled primary surface.