| abstract |
The present invention relates to a process for preparing a foamed article comprising the following steps: a) heating a composition comprising, or even consisting of, at least one polyamide PA, at least one compound U, in particular a polyurethane PU, at least one filler reinforcement, the content of reinforcing fillers being greater than or equal to 10% by weight relative to the total weight of the composition, a temperature T such that: compound U generates, directly or indirectly, CO and the polyamide is melted, and in particular the composition is injectable, b) injecting or extruding said composition, in particular the injection is an injection molding, c) recovering the foamed article, and an expandable granulate comprising, or even consisting of, at least one polyamide, at least one compound U, in particular a polyurethane PU, and at least one reinforcing filler, the content of reinforcing fillers being greater than or equal to 10% by weight relative to the weight s total of the composition, or the use of such a composition or such a granule, or even a foam or foamed article. |