| 摘要 |
A polycyclic dye of the Formula (1): <IMAGE> Formula (1) wherein: Ring A is unsubstituted or is substituted by from 1 to 3 groups; R1 is cycloalkyl; m is 0, 1, 2 or 3; n is 0 or 1; p is 0, 1, 2 or 3; and Ring B is unsubstituted apart from the -O(CH2)m(CO2)n(CH2)p-R1 or is substituted by from 1 to 4 further groups. The dyes are useful for the coloration of textile materials particularly synthetic textiles such as polyester.
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