Epoxypropyl ammonium salt and boric acid assisted dyeing process

Details Epoxypropyl ammonium salt and boric acid assisted dyeing process Epoxypropyl ammonium salt and boric acid assisted dyeing process

1976-03-01

1978-02-07

Levy, Donald

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1A, 8 21C, 8100R, 8172R, D06P 168

Patent

active

040724646

ABSTRACT:
A process for the dyeing or printing of textile materials wherein, to improve the color rendition or the ability of the textile material to absorb the dye, the textile material is treated with a propylepoxyammonium salt having the formula ##STR1## in which R', R.sup.n and R.sup.m are alkyl radicals, preferably lower alkyl containing 1 to 3 carbon atoms and X.sup.- is an anionic group selected from the sulfate, sulfonate, phosphate or halogenide (fluoride, chloride, bromide or iodide). The fabric is subjected to an elevated temperature (thermal treatment). To prevent yellowing of the textile material the latter is also treated with boric acid.

REFERENCES:
patent: 2131146 (1938-09-01), Schlack
patent: 3853460 (1974-12-01), Balland
Hough, J. International Soc. Leather Trades Chemists, May 1949, pp. 164-176.

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