Preparation of amino-benzenesulfonate-modified polyamides

Details Preparation of amino-benzenesulfonate-modified polyamides Preparation of amino-benzenesulfonate-modified polyamides

1974-09-23

1976-04-20

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 78L, C08G 6908, C08G 6914, C08G 6916

Patent

active

039519236

ABSTRACT:
Polycarbonamide compositions having improved acid dye-resistance and basic dyeability properties wherein said polycarbonamides contain, as an integral part of the polymer chain, recurring amide linkages and terminal sulfonate groups resulting from alkali metal salts of aminobenzenesulfonic acids, as well as the process for producing the modified polyamide compositions. From 50 to 300 mol percent of an alkaline metal hydroxide per mol of aminobenzenesulfonic acid salt dyeability modifier is utilized to enhance the color and washability of the resulting compositions.

REFERENCES:
patent: 3142662 (1964-07-01), Huffman
patent: 3184436 (1965-05-01), Magat
patent: 3409596 (1968-11-01), Unger et al.
Chemical Abstracts, Vol. 70, 1969, 12534n.
Chemical Abstracts, Vol. 71, 1969, 4177b.

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