POLYESTER FIBER FOR FALSE TWISTING

Title:

POLYESTER FIBER FOR FALSE TWISTING

Document Type and Number:

WIPO Patent Application WO/2001/075217

Kind Code:

A1

Abstract:

A polytrimethylene terephthalate type polyester fiber which is excellent in smoothness, heat resistance, collectibility, and antistatic properties, is almost free from fluffing or breakage, and can be stably false-twisted. The fiber comprises: a polyester fiber 80 wt.% or more of which is constituted of polytrimethylene terephthalate and which has a birefringence of 0.03 to 0.08, an elongation of 30 to 180%, and an elastic recovery at 10% elongation of 30 to 100%; and a treating agent adherent to the surface thereof in an amount of 0.2 to 1.0 wt.% which comprises 50 to 80 wt.% etherester compound represented by the following formula (ingredient (a)) and 2 to 20 wt.% polyether compound having a molecular weight of 10,000 or higher (ingredient (b)). R¿1?OCO-(A)¿X?-(CH¿2?)¿Z?-(A)¿Y?-COOR¿2? (R¿1? and R¿2? each represents C¿7-21? alkyl; A represents C¿2-4? oxyalkylene; X and Y each is an integer of 0 or larger, provided that X+Y is 1 to 20; and Z is an integer of 3 to 12.)

Inventors:

UCHIDA MASAO (JP)
MAKINO SHOJI (JP)

Application Number:

PCT/JP2001/002163

Publication Date:

October 11, 2001

Filing Date:

March 19, 2001

Export Citation:

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Assignee:

TEIJIN LTD (JP)
UCHIDA MASAO (JP)
MAKINO SHOJI (JP)

International Classes:

D01F6/62; D01F11/08; D02G1/02; D06M13/165; D06M13/17; D06M13/224; D06M15/53; D06M101/00; D06M101/16; D06M101/30; D06M101/32; (IPC1-7): D06M15/53

Domestic Patent References:

WO1999039041A1

1999-08-05

Foreign References:

JPH11229276A	1999-08-24
JPS62177282A	1987-08-04
JPS5314897A	1978-02-09

Other References: