Monoazo dyes for dyeing and printing synthetic fibres

Details Monoazo dyes for dyeing and printing synthetic fibres Monoazo dyes for dyeing and printing synthetic fibres

C - Chemistry, Metallurgy

09

B

260/171.5, 8/27.

C09B 29/00 (2006.01) C09B 29/08 (2006.01) D06P 1/04 (2006.01)

Patent

CA 1168228

ABSTRACT OF THE DISCLOSURE A special group of disperse dyes is described, which have the general formula: Image (I) wherein: R1, R2, R3 like or unlike one another, are -CH3 or C2H5, which are suited to dye and print various synthetic fibres. In particular they permit to attain excellent discharge printing effects, either on dischargeable grounds or by reducing reserve. The methods of preparing and applying them in dyeing and print- ing are also described.

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