abstract |
FIELD: dyeing of polyamide materials at temperature higher 200 C. SUBSTANCE: salts of anion dyes are prepared by interaction of anion dye with compound which contains at least one ammonium group, cycloammonium group or imonium group and at least one aliphatic, cycloaliphatic, aromatic or heteroaromatic group. EFFECT: improves stability of dyeing. 7 tbl |