FILAMENT-FORMING CHAIN-BRANCHED POLYESTERS AND POLYERSTERS

Application 836/MAS/1998 published 2007-02-09, filed 1998-04-20
Filament-forming chain-branched polyesters and copolyesters with relative molecular weight of >10000 are provided obtained by condensing into the polyester-forming starting components 50-500 ppm of one or more chain-branching agents added during the polyester manufacture and having the general formula where n=2-4.They are excellently suited for high speed spinning of textile and industrial yarns with winding speeds of 2500-10000 m/min,followed by conventional drawing or texturizing processes.

Applicant

1)AKZO NOBEL N V
:VELPERWEG 76,6824 BM ARNHEM Netherlands

Inventor

1)DR.HUTHER 2)DR.SCHILO,DIEDERICH 3)DR.SEIDEL,ULF 4)DR.VEITH CHRISTIAN 5)DR.ZENGE,HANS GEORG 6)DE JONG,CEES 7)DE JONG ,CEES

International Info

Classification: C08G 63/85