公开(公告)号：US20230374221A1

公开(公告)日：2023-11-23

申请号：US18031153

申请日：2021-10-08

Applicant: BASF SE

Inventor： Christian MALETZKO ,  Martin WEBER ,  Axel WILMS ,  Joachim STRAUCH ,  Sibylly BURKHART ,  Bernd TROTTE ,  Andreas BAUDER

IPC: C08G75/23 ,  C08J9/16

CPC classification number: C08G75/23 ,  C08J9/16 ,  C08J2381/06 ,  C08G2101/00

Abstract: A process for the manufacture of a sulfonated polyarylene(ether)sulfone comprising feeding of a solution (S1) comprising a sulfonated polyarylene(ether) sulfone and sulfuric acid into a tooth rim dispersion machine, wherein the solution (S1) is thereby contacted with a liquid (L1) comprising water, particles essentially consisting of a sulfonated polyarylene(ether)sulfone having a foam structure and uses of said particles.