公开(公告)号：US11027466B2

公开(公告)日：2021-06-08

申请号：US16061922

申请日：2016-12-13

Applicant: INEOS STYROLUTION GROUP GMBH

Inventor： Bastian Raithel ,  Norbert Niessner ,  Achim Bernhardt ,  Stefan Roettel ,  Pierre Juan ,  Andreas Popp

IPC: B29C44/42 ,  B29C44/34 ,  C08L55/02 ,  B29K55/02

Abstract: The invention relates to a process for producing a foam molded part, wherein a foamable material S comprising a thermoplastic polymer matrix M and at least one foaming agent F is foamed by foam injection molding. The polymer matrix M is preferably based on at least one thermoplastic styrene copolymer, such as ABS and ASA, and wherein the at least one foaming agent F is selected from chemical foaming agents, releasing carbon dioxide, and physical foaming agents, being carbon dioxide or nitrogen.