Polyester synthetic fiber containing particulate material and a

Details Polyester synthetic fiber containing particulate material and a Polyester synthetic fiber containing particulate material and a

1979-03-02

1981-03-03

Cannon, James C.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

156657, 264 49, 264344, 428400, B44C 122, D02G 300, D06M 502

Patent

active

042541824

ABSTRACT:
A polyester fiber having an irregularly uneven random surface, having nonuniform recesses and projections forming said surface satisfying the requirement 0.2 micron<X<0.7 micron where X is the planar distance from the deepest point of a recess to the deepest point of another recess located adjacently thereof in the circumferential direction perpendicular to the fiber axis and being present at the density of 10 to 50 in each planar distance of 10 microns in the circumferential direction perpendicular to the fiber axis. Said recesses and projections constituting the random surface have additional microfine recesses and projections within the size range of 50 to 200 millimicrons. A method for producing a polyester synthetic fiber having the above surface structure is also described. The fiber thus obtained features excellent dyeability, i.e. the development and depth of color, and an excellent surface hand.

REFERENCES:
patent: 4055702 (1977-10-01), Guthrie et al.

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