Cobulked continuous filament heather yarn method and product

Details Cobulked continuous filament heather yarn method and product Cobulked continuous filament heather yarn method and product

1980-06-10

1981-10-20

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Multifilament yarns

28271, 57205, 57246, 57350, D02G 116, D02G 118, D02G 324

Patent

active

042953294

ABSTRACT:
An improved method for making a continuous filament heather dyeable yarn involves cobulking in a hot fluid jet process a first unbulked yarn with a second differentially dyeable previously bulked yarn. The method enhances differential dyeability in the product when both yarns have a common type of chemical dye site and the second yarn has a greater concentration of those dye sites than the first yarn.

REFERENCES:
patent: 3534540 (1970-10-01), Collingwood et al.
patent: 3811263 (1974-05-01), Newton
patent: 3854177 (1974-12-01), Breen et al.
patent: 3971202 (1976-07-01), Windley
patent: 4059873 (1977-11-01), Nelson

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