Abstract: The present invention relates to a process for the production of a composite article comprising a structured porous body (PB) and a particle foam (PF), wherein the provided structured porous body (PB) is inserted into a mould (M) and the mould (M) is filled with expanded foam beads (EFB) so that the expanded foam beads (EFB) are in contact with each other and the structured porous body (PB) is at least partially in contact with the expanded foam beads (EFB). Then, the expanded foam beads (EFB) are thermally welded, wherein the particle foam (PF) is built and the composite article is obtained. Moreover, the present invention relates to a composite article obtained by this process, as well as to a composite article comprising a structured porous body (PB) and a particle foam (PF).

Abstract: The present invention relates to a sinter powder (SP) comprising 59.5% to 99.85% by weight of at least one thermoplastic polyurethane (A), 0.05% to 0.5% by weight of at least one flow agent (B), 0.1% to 5% by weight of at least one organic additive (C), 0% to 5% by weight of at least one further additive (D) and 0% to 30% by weight of at least one reinforcer (E), based in each case on the sum total of the percentages by weight (A), (B), (C), (D) and (E). The present invention further relates to a method of producing a shaped body by sintering the sinter powder (SP), to a shaped body obtainable by the method of the invention, and to the use of at least one flow agent (B) and at least one organic additive (C) in a sinter powder (SP) to improve the flowability and coalescence of the sinter powder (SP). The present invention further relates to the use of the sinter powder (SP) in a sintering method, and to a method of producing the sinter powder (SP).

Abstract: A process for the production of sinter powder particles (SP), comprising the steps a) providing at least one continuous filament, b) coating, the at least one continuous filament provided in step a) with at least one thermoplastic polymer to obtain a continuous strand comprising the at least one continuous filament, coated with the at least one thermoplastic polymer, wherein the average cross-sectional diameter of the strand is in the range of 10 to 300 pm, and c) size reducing of the continuous strand provided in step b) in order to obtain the sinter powder particles (SP), wherein the average length of the sinter powder particles (SP) is in the range of 10 to 300 pm.

Abstract: The present invention relates to a process for producing a shaped body, wherein, in step i), a layer of a sinter powder (SP) comprising at least one near infrared reflector inter alia is provided and, in step ii), the layer provided in step i) is exposed. The present invention further relates to a process for producing a sinter powder (SP) and to the sinter powder (SP) obtainable by this process, and to the use of a near infrared reflector in a sinter powder (SP). The present invention also relates to a shaped body obtainable by the process of the invention.