Copolyester polymer of enhanced dyeability

Details Copolyester polymer of enhanced dyeability Copolyester polymer of enhanced dyeability

1975-04-28

1977-06-14

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75S, 428357, C08G 6376

Patent

active

040296385

ABSTRACT:
Cationic dyeable copolyester polymer and yarns made therefrom having as an integral part of the polymer chain, sulfonamide groups each containing a dye sensitizing unit, derived from alkaline earth or alkali metal salts of sulfonated sulfonamides such as the sodium salt of N-(.beta.-hydroxyethyl)-N-(3-carbomethoxybenzenesulfonyl) taurine.

REFERENCES:
patent: 2925404 (1960-02-01), Caldwell et al.
patent: 3528947 (1970-09-01), Lappin et al.
patent: 3856753 (1974-12-01), Henry et al.

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