Polyvalent metal salts of 7-hydroxy-8-[p-(phenylazo)phenylazo]-1

Details Polyvalent metal salts of 7-hydroxy-8-[p-(phenylazo)phenylazo]-1 Polyvalent metal salts of 7-hydroxy-8-[p-(phenylazo)phenylazo]-1

1974-08-28

1977-01-11

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260177, 260178, 260184, 260191, 260208, 8 85R, C09B 4524, C09B 3102, D06P 380

Patent

active

040026035

ABSTRACT:
Dyes of the formula: ##STR1## WHEREIN M is a metal selected from the group consisting of calcium, barium, strontium, magnesium, chromium, manganese, iron, cobalt, nickel, copper, and zinc and wherein n is an integer selected from 2 and 3 are superior dyes for the dyeing of fiberglass in that they are resistant to crystal growth in dye pastes and recycle process water in the dyeing of fiberglass thus, in the spray dyeing of the fiberglass the dyes do not tend to clog the nozzle of the spraying device as do the corresponding salts of monovalent metals, such as the disodium and dipotassium salts.

REFERENCES:
patent: 233465 (1880-10-01), Baum
patent: 314939 (1885-03-01), Hoffmann
patent: 695811 (1902-03-01), Julius et al.
patent: 2981729 (1961-04-01), Kesler et al.
patent: 3574182 (1971-04-01), Jones

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