公开(公告)号：US20140256887A1

公开(公告)日：2014-09-11

申请号：US14199436

申请日：2014-03-06

Applicant: BASF SE

Inventor： Gad Kory ,  Silke Biedasek ,  Faissal-Ali El-Toufaili ,  Achim Stammer ,  Reinhard Lang ,  Dirk Meckelnburg

IPC: C08G69/48

CPC classification number: C08G69/06 ,  C08G69/16 ,  C08G69/46

Abstract: The present invention relates to a process for preparing polyamides, comprising a hydrolytic polymerization and at least two extraction steps which are not in immediate succession.

Abstract translation: 本发明涉及一种制备聚酰胺的方法，包括水解聚合和至少两个不直接连续提取步骤。