Conjugate fiber and method of producing same

Details Conjugate fiber and method of producing same Conjugate fiber and method of producing same

2005-01-25

2005-01-25

Edwards, N. (Department: 1774)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S373000, C428S374000, C428S395000

Reexamination Certificate

active

06846560

ABSTRACT:
A poly(trimethylene terephthalate)-based conjugate fiber characterized in that the fiber is composed of single filaments which are combined with two polyester components in a side-by-side manner or an eccentric sheath-core manner, that at least one of the two polyester components forming the single filaments is a poly(trimethylene terephthalate), and that the fiber satisfies the following conditions:(1) the stretch elongation of crimp manifested prior to boiling water treatment is 20% or less;(2) the breaking elongation is from 25 to 100%; and(3) the maximum stress value of a dry heat shrinkage stress is from 0.01 to 0.24 cN/dtex.

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