公开(公告)号：US11267170B2

公开(公告)日：2022-03-08

申请号：US16422049

申请日：2019-05-24

Applicant: SYNTHOS S.A.

Inventor： Filip Lukasz Kondratowicz ,  Piotr Rojek ,  Marzena Mikoszek-Operchalska ,  Kamil Utrata

IPC: B29C44/34 ,  C08J9/18 ,  B29C44/50 ,  C08J9/232 ,  C08J9/00 ,  B29K105/00 ,  B29K25/00

Abstract: The invention relates to an extrusion process for the production of expandable vinyl aromatic polymer granulate comprising mixing first and second additives with first and second polymer components, respectively, in dedicated mixers.