Disazo navy blue dyes for nylon

Details Disazo navy blue dyes for nylon Disazo navy blue dyes for nylon

C - Chemistry, Metallurgy

09

B

260/164.2, 8/25.

C09B 31/02 (2006.01) C09B 31/04 (2006.01) C09B 31/057 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1055020

ABSTRACT The compounds having the structure: Image wherein R 13 Cl, -CH3. -C2H5, -OCH3 or -OC2H5; R1 is -H, -Cl, -CH3, -C2H5, -OCH3 or -OC2H5; R2 is -H or -CH3; and M ls -H, -Na, -X, -Li, or -NH4 are useful a water-soluble acid dyes giving navy blue hues on nylon and other polyamide fibers and have good light fast- ness and wash fastness and dye nylon fibers over a wide pH range. They are capable of dyeing nylon efficiently at neutral and alaka- line pH. They are also useful as dyes for natural polyamides such as silk and wool.

230766

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