公开(公告)号：US3642971A

公开(公告)日：1972-02-15

申请号：US3642971D

申请日：1969-08-27

Applicant: INVENTA AG

Inventor： GRIEHL WOLFGANG ,  HERION DIETER

IPC: D01F1/10 ,  D01F6/60 ,  D02J1/22 ,  B29G5/00 ,  D01F1/02

CPC classification number: D02J1/221 ,  D01F1/10 ,  D01F6/60

Abstract: A PROCESS FOR THE HEAT STABILIZATION OF POLYAMIDE FIBERS, BRISTLES AND FOILS WITH COPPER COMPOUND, AREOMATIC AMINES, AND ALKALI, HALIDES. THE COPPER COMPOUND AND AMINES ARE INCORPORAED IN THE STARTING MATERIALS PRIOR TO THE POLYMERIZATION. THE ALKALI HALIDES AND ANY OTHER COMPONENTS OF THE STABILIZER ARE ADDED ONLY UPON THE FORMATION OF FIBERS, BRISTLES OR FOILS, PRIOR TO STRETCHING.