Foam beads based on thermoplastic elastomers and having a coating comprising at least one electrically conductive substance, processes for producing same by coating the foam beads with an emulsion of a conductive substance in a plasticizer, and also processes for producing bead foams by joining the foam beads together thermally via high-frequency electromagnetic radiation.

A method of reducing aldehyde concentration in a vehicle cabin air, the method includes applying a solution comprising aldehyde scavenger(s) onto an outer surface of a foam article located or to be located within a vehicle cabin to form a top layer of the article such that aldehyde species are trapped within the article and prevented from being released into the cabin air.

The use of long-chain citric acid esters as additives in aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane coatings, is described.

A process for the production of a geopolymer composite. The disclosure further relates to a geopolymer composite, and the use of a geopolymer, a geopolymer in combination with an athermanous additive, or the geopolymer composite in expanded vinyl polymer, preferably vinyl aromatic polymer. Furthermore, the disclosure relates to a process for the production of expandable vinyl aromatic polymer granulate, and expandable vinyl aromatic polymer granulate. Finally, the disclosure relates to expanded vinyl foam, preferably vinyl aromatic polymer, and to a masterbatch comprising vinyl polyn and a), b), or c).

The invention relates to a process for producing rigid polyurethane (PUR) and polyurethane/polyisocyanurate (PUR/PIR) foams, comprising the steps of i) producing a reaction mixture containing the components A) an isocyanate-reactive component, B) a polyisocyanate component, and C) a blowing agent, and ii) applying the reaction mixture by using a system comprising at least one casting device. The casting device (100) having: a supply port (12) for feeding the reaction mixture (10), at least one discharge gap (13) extending in a transverse direction (Q) for the discharge of the reaction mixture (10), two gap-forming plates (14) arranged opposite one another, a gap space (15) extending between the gap-forming plates (14) above the discharge gap (13) in a height direction (H), wherein the reaction mixture can be introduced into the gap space (15), distributed over the length of the supply duct (16).

The present invention relates to an expandable polymeric composition that comprises: a) from 60% to 88% by weight of a vinyl aromatic polymer and/or copolymer, calculated respect to (a)+(b); b) from 12% to 40% by weight of a block copolymer, containing at least one vinyl aromatic polymer and/or copolymer and at least one hydrogenated diene polymer, calculated respect to (a)+(b); c) from 3 parts to 10 parts by weight of a blowing agent, calculated on 100 parts of (a)+(b).

The invention relates to a modified geopolymer and a modified geopolymer composite comprising additive. The additive is preferably an athermanous additive. The modification is with one or more water-soluble compounds, the water-soluble compound is preferably selected from phosphorus compounds, nitrogen compounds, copper compounds, silver compounds, zinc compounds, tin compounds and magnesium compounds. Also, it relates to compositions which contain the modified geopolymer or modified geopolymer composite. The compositions preferably comprise vinyl aromatic polymer and are in the form of a foam.

The invention refers to a method for producing expanded polymer pellets, which comprises the following steps: melting a polymer comprising a polyamide; adding at least one blowing agent; expanding the melt through at least one die for producing an expanded polymer; and pelletizing the expanded polymer. The invention further concerns polymer pellets produced with the method as well as their use, e.g. for the production of cushioning elements for sports apparel, such as for producing soles or parts of soles of sports shoes. A further aspect of the invention concerns a method for the manufacture of molded components, comprising loading pellets of an expanded to polymer material into a mold, and connecting the pellets by providing heat energy, wherein the expanded polymer material of the pellets or beads comprises a chain extender. The molded components may be used in broad ranges of application.

The present invention provides a foam molded body having excellent heat resistance (low heating dimensional change rate), excellent flame retardancy, and excellent storage stability, composite resin particles for producing the foam molded body, and the like. The present invention relates to composite resin particles comprising a polypropylene-based resin, an ethylene-vinyl acetate copolymer, and a polystyrene-based resin, foam particles of the composite resin particles, and a foam molded body of the foam particles.

A method of manufacturing a flexible intrinsically antimicrobial absorbent porosic composite controlling for an effective pore size using removable pore-forming substances and physically incorporated, non-leaching antimicrobials. A flexible intrinsically antimicrobial absorbent porosic composite controlled for an effective pore size composited physically incorporated, high-surface area, non-leaching antimicrobials, optionally in which the physically incorporated non-leaching antimicrobial exposes nanopillars on its surface to enhance antimicrobial activity. A kit that enhances the effectiveness of the intrinsically antimicrobial absorbent porosic composite by storing the composite within an antimicrobial container.