Method of dyeing jute-backed polyamide carpeting

Details Method of dyeing jute-backed polyamide carpeting Method of dyeing jute-backed polyamide carpeting

1974-05-28

1976-05-25

Hamrock, William F.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8169, D06B 382

Patent

active

039589277

ABSTRACT:
The staining of the face fibers of cationic-dyeable polyamide jute-backed carpeting by cationic dyestuffs employed in dyeing the jute-backing is prevented, without significant loss of color yield on the jute, by dyeing the jute at a temperature not exceeding 90.degree.F. in the presence of an acid addition salt of a compound of the formula: ##EQU1## where R is an aliphatic hydrocarbon group containing 8 TO 24 CARBON ATOMS,

REFERENCES:
patent: 3071427 (1963-01-01), Buehler et al.
patent: 3429647 (1969-02-01), Yao et al.
patent: 3758269 (1973-09-01), Bartsch et al.

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