Fecha de publicación: 12/01/2023 Fuente: WIPO Rice The present invention relates to a poly(arylene sulfide) composition including a combination of a limited amount of an antioxidant compound and of an epoxy-functional polyorganosiloxane polymer, possessing improved mechanical performances and outstanding thermal ageing resistance, to a process for its manufacturing, as well as to an article, part or composite material comprising said composition, and to the use of this composition for the manufacture of 3D objects