公开(公告)号：EP1618139B1

公开(公告)日：2006-08-16

申请号：EP04760269.3

申请日：2004-04-16

Applicant: INVISTA Technologies S.à.r.l.

Inventor： ALSOP, Albert, W. ,  CAMP, Carl, E. ,  IWASYK, John, M. ,  RAJAGOPALAN, Dilip

IPC: C08G69/04 ,  C08G69/16 ,  C08G69/38

CPC classification number: C08G69/16 ,  C08G69/18

Abstract: Disclosed is a process for reducing low molecular weight impurities, namely caprolactam and its oligomers, from Nylon-6 pre-polymer during the preparation of Nylon-6 polymer

Abstract translation: 公开了一种在制备尼龙-6聚合物期间由尼龙-6预聚物减少低分子量杂质即己内酰胺及其低聚物的方法