公开(公告)号：US10858480B2

公开(公告)日：2020-12-08

申请号：US15780373

申请日：2016-11-11

Applicant: INVISTA NORTH AMERICA S.A R.L.

Inventor： Charles Richard Langrick ,  Garry S. Hunt

IPC: C08G69/40 ,  C08G69/28 ,  C08K5/092 ,  C08G69/46 ,  C08G69/04 ,  C08G69/02 ,  C08G69/26 ,  C08G69/48 ,  B29B9/06 ,  B29K77/00

Abstract: The present disclosure relates to a preparation of polymer with improved color and properties. More particularly, the disclosure relates to the preparation of polyamide by introducing a polyetheramine additive during the polymer extrusion step. The extruded polymer is superior in appearance and spinnable in subsequent processing into yarn.