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公开(公告)号：US20180362713A1
公开(公告)日：2018-12-20
申请号：US15780373
申请日：2016-11-11
Applicant: INVISTA North America S.à.r.l.
Inventor： Charles Richard LANGRICK , Garry S. HUNT
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.
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