Abstract: Expandable, blowing agent-containing pellets based on high temperature thermoplastics having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expandable, blowing agent-containing pellets comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 400 to 900 kg/m3 and a mass in the range from 1 to 5 mg/pellet, processes for production thereof and foam particles obtainable therefrom having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expanded foam particles comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 10 to 200 kg/m3, and particle foams obtainable therefrom and the use thereof for producing components for aviation.

Abstract: Described herein are polyamide foam particles including a polymer mixture including: (A) from 25 to 95 wt.-% of at least one polyamide, which is different from a copolyamide (B); and (B) from 5 to 75 wt.-% of at least one copolyamide prepared by polymerizing the following components: (B1) from 15 to 84 wt.-% of at least one lactam; and (B2) from 16 to 85 wt.-% of monomer mixture (M) including; (M1) at least one C32-C40 dimer acid; and (M2) at least one C4-C12 diamine; where the sum of the components (B1) and (B2) are 100 wt.-%. Also described herein is a process for preparing such polyamide foam particles and polyamide particle foam moldings obtainable by steam-chest molding.

Abstract: Expandable, blowing agent-containing pellets based on high temperature thermoplastics having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expandable, blowing agent-containing pellets comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 400 to 900 kg/m3 and a mass in the range from 1 to 5 mg/pellet, processes for production thereof and foam particles obtainable therefrom having a glass transition temperature according to ISO 11357-2-1999 of at least 180° C., wherein the expanded foam particles comprise at least one nucleating agent and have a poured density according to DIN ISO 697:1982 in the range from 10 to 200 kg/m3, and particle foams obtainable therefrom and the use thereof for producing components for aviation.

Abstract: The present invention relates to an expandable styrene polymer which comprises athermanous particles and has been coated with a hydrophobicizing agent, which comprises from 10 to 90% by weight of at least one triester of at least one fatty acid with a polyhydric alcohol, as component A, from 5 to 70% by weight of at least one monoester of a fatty acid with a polyhydric alcohol, as component B, from 5 to 80% by weight of at least one metal salt of a fatty acid, as component C, from 5 to 50% by weight of at least one silicate, as component D, and from 0 to 30% by weight of at least one antistatic agent, as component E, and the entirety of components A to E of the hydrophobicizing agent amounts to 100% by weight, to a process for preparation of expandable styrene polymer, via coating of an expandable styrene polymer, which comprises athermanous particles, with a hydrophobicizing agent, to a foam produced from this expandable styrene polymer, and also to the use of a hydrophobicizing agent for coating of expandab