Debbie W Frazier

US Patent:

50394673, Aug 13, 1991

Filed:

Jul 25, 1989

Appl. No.:

7/385136

Inventors:

Debbie E. Frazier - Charlotte NC

Assignee:

Hoechst Celanese Corporation - Somerville NJ

International Classification:

D01F 1104

US Classification:

264184

Abstract:

A process for producing zero pilling polyester filaments, staple, yarn and fabrics is disclosed. The process steps include: providing a polyester polymer containing a structure opener and a monomer containing a sulfonate group; forming the polymer into fibers; hydrolyzing those fabrics; and arresting the hydrolysis by the addition of a metal ion source.