Reactive xylylene diphosphonic acid dyes

Details Reactive xylylene diphosphonic acid dyes Reactive xylylene diphosphonic acid dyes

1977-12-13

1979-04-17

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260153, 260178, 260184, 260191, 260197, 260198, 260199, 260200, 260201, 260206, 260307G, 260374, 260377, 260378, 260380, C09B 6280, C09B 6282, D06P 1384, D06P 310

Patent

active

041500202

ABSTRACT:
P-Xylylenediphosphonic acid groups connected through the aromatic ring to a variety of chromophores provide a class of novel dyes of the general formula ##STR1## wherein "Dye" represents the chromophore. These dyes may be covalently bonded to fibers and other substrates containing hydroxyl, amino, or thiol groups to form phosphonic acid esters or amides by reaction in the presence of a carbodiimide such as cyanamide or dicyandiamide.

REFERENCES:
patent: 3232927 (1966-02-01), Randall et al.
patent: 3301846 (1967-01-01), Chiddix et al.
patent: 3339999 (1967-09-01), Wick
patent: 3947435 (1976-03-01), Pechmeze et al.

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