Black liquid colorant and polyester fibers dope-dyed therewith

Details Black liquid colorant and polyester fibers dope-dyed therewith Black liquid colorant and polyester fibers dope-dyed therewith

1987-09-22

1989-11-07

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524496, 524604, 524605, 106478, 423460, C08K 902, C08L 6702

Patent

active

048793353

ABSTRACT:
A black liquid colorant for dope dyeing of polyester fibers, comprising 5-50 wt % carbon black obtained by wet-oxidation with peroxide and subsequent neutralization of a gas phase oxidized carbon black, and 95-50 wt % liquid dispersion medium such as liquid polyester. Black polyester fibers, typically polyethylene terephthalate fibers, dope-dyed with preferably 3-15 wt % base on the polyester of said black liquid colorant, have a deep blackness with a bluish tone and neither polymer deterioration nor filament breakage is observed.

REFERENCES:
patent: 3023118 (1962-02-01), Donnet
patent: 3226244 (1965-12-01), Jordan
patent: 3992218 (1976-11-01), Suetsugu et al.
patent: 4075156 (1978-02-01), Johnson
patent: 4208318 (1980-06-01), Ono et al.
patent: 4444866 (1984-04-01), Sakai
patent: 4639272 (1987-01-01), Ito et al.
Henry Payne, Organic Coating Technology, 11/13/61, p. 911.

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