Method for dyeing of fibers in the presence of quaternary alkoxyalkylammonium retarding or leveling agent

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United States of America Patent

PATENT NO 4579560
SERIAL NO

06628250

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Abstract

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Novel quaternary alkoxyalkylammonium compounds of the formula 1 ##STR1## in which R denotes C.sub.8 -C.sub.20 --, preferably C.sub.12 -C.sub.18 --, alkyl or C.sub.8 -C.sub.20 --, preferably C.sub.12 -C.sub.18 --, alkenyl, R.sub.1, R'.sub.1 and R'.sub.1, which can be identical or different, denote methyl, ethyl or benzyl and at least one of the radicals R.sub.1, R'.sub.1 and R'.sub.1 denotes a group of the formula --(C.sub.S H.sub.2S O).sub.x H, R.sub.2 and R.sub.3, which can be identical or different, denote methyl, ethyl or benzyl, a denotes 0 or 1, b denotes 0 or 1, of which either a or b has to be=1, m denotes 0 or 1, n denotes 2 or 3, p denotes 1, 2 or 3, S denotes 2 or 3, x denotes 1, 2, 3 or 4, and A denotes a halide, methosulfate, ethosulfate or methophosphate ion. These compounds are used as retarders and leveling agents in the dyeing of polyacrylonitrile and acid-modified polyester fibers.

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Patent Owner(s)

Patent OwnerAddress
HOECHST ITALIA S P A18 VIA M U TRAIANO I-20100 MILANO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cargnino, Francesco Venaria, IT 4 9
Levis, Marco Turin, IT 1 2

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