Global Patent Index - EP 0413280 A2

EP 0413280 A2 19910220 - Polyamide-polyester composite fiber and process for producing same.

Title (en)

Polyamide-polyester composite fiber and process for producing same.

Title (de)

Polyamid-Polyester-Verbundfaser und Verfahren zur Herstellung derselben.

Title (fr)

Fibre composite de polyamide et de polyester et son procédé de fabrication.

Publication

EP 0413280 A2 19910220 (EN)

Application

EP 90115458 A 19900811

Priority

  • JP 18945590 A 19900719
  • JP 19920490 A 19900730
  • JP 21018089 A 19890816
  • JP 21068989 A 19890817

Abstract (en)

Polyamide-polyester side-by-side type composite fibers useful for bulky nonwoven fabrics, which comprise a polyamide filamentary segment and a polyester copolymer filamentary segment comprising an aromatic dicarboxylic acid component comprising 2.0 to 10.0 molar% of 5-sodiumsulfo-isophthalic acid and the balance consisting of terephthalic acid and a glycol component comprising at least on C2-C10 alkylene glycol, and have a crimp number of 2 crimps/25 mm or less in water or under a wet condition at 100 DEG C or less and of 5 crimps/25 mm or more under an equilibrium condition at a temperature of 20 DEG C at 65% RH.

IPC 1-7

D01F 8/12; D01F 8/14

IPC 8 full level

D01F 8/12 (2006.01); D01F 8/14 (2006.01)

CPC (source: EP)

D01F 8/12 (2013.01); D01F 8/14 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT NL

DOCDB simple family (publication)

EP 0413280 A2 19910220; EP 0413280 A3 19911030

DOCDB simple family (application)

EP 90115458 A 19900811