Acrylic fiber having improved basic dyeability

Details Acrylic fiber having improved basic dyeability Acrylic fiber having improved basic dyeability

1980-06-06

1981-10-06

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

81155, 8927, 260DIG23, 260DIG32, 428373, 428374, D02G 300

Patent

active

042936136

ABSTRACT:
Disclosed is an acrylic fiber having improved basic dyeability. The fiber is made by a process wherein a copolymer of an acrylic monomer and a sulfonated vinyl monomer is dissolved in a solvent to form a spinning dope and a solution of polystyrene in the same solvent is added to the dope prior to spinning the dope to form fibers. The polystyrene will be in the form of a separate phase dispersed throughout the spinning dope and the fibers formed from the dope. Fibers formed from this polystyrene-containing dope have improved basic dyeability.

REFERENCES:
patent: 3088188 (1963-05-01), Knudsen
patent: 3607611 (1971-09-01), Matsui et al.
patent: 3963790 (1976-06-01), Couchoud
patent: 4081498 (1978-03-01), Maranci

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