Dyeing of polyolefins

Details Dyeing of polyolefins Dyeing of polyolefins

1982-01-11

1983-01-18

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Olefin polymer substrate or rubber

8580, 8602, 8928, D06P 1645, D06P 379, D06P 1653

Patent

active

043690394

ABSTRACT:
A process is provided for dyeing articles of unmodified polyolefin polymer with an aqueous dispersion of a fatty-acid-soluble, solvent dye, a fatty acid and an amine. After application of the dispersion to the article, the amine is volatilized from the applied dispersion. The process is particularly useful in providing novel, dyed, nonwoven fabrics made from polyethylene film fibrils.

REFERENCES:
patent: 3046076 (1962-07-01), Upshur
patent: 3056643 (1962-10-01), Kutner
patent: 3069220 (1962-12-01), Dawson
patent: 3112981 (1963-12-01), Fuortes et al.
patent: 3128146 (1964-04-01), Bianco et al.
patent: 3231530 (1966-01-01), Prahl
patent: 3533727 (1970-10-01), Grunwald et al.
patent: 4082887 (1978-04-01), Coates

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