Dyestuffs for synthetic textile material

Details Dyestuffs for synthetic textile material Dyestuffs for synthetic textile material

C - Chemistry, Metallurgy

09

B

260/168.1

C09B 29/00 (2006.01) C09B 62/45 (2006.01)

Patent

CA 1051423

NEW DYESTUFFS FOR SYNTHETIC TEXTILE MATERIAL A B S T R A C T of the Disclosure Dyestuffs of the formula Image wherein B is the radical of a heterocyclic coupling component of the dispersion series, which contains in the o-position with respect to the azo bridge a free or acylated primary or secondary amino group, and which is free from water-solubilising groups, R is a hydrogen atom, a cycloalkyl group or an optionally substituted alkyl group. The new dye- stuffs give yellow, red or organge shades on polyester fibers and can be applied from aqueous bathy without addition of dispersing agents.

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