| 摘要 |
Disclosed is mass-dyed linear, saturated, aromatic polyester comprising, as dyestuff, a compound or mixture of compounds selected from those of formulae I and II, <IMAGE> +tr <IMAGE> wherein R1 is a radical of formula <IMAGE> +TR <IMAGE> R2 is hydrogen or a radical of formula <IMAGE> of R3 and R3', both are hydrogen, or one is hydrogen and the other chlorine or bromine, or both are chlorine or bromine, R5 is hydrogen, chlorine, bromine or methyl, R5' is hydrogen, chlorine, bromine, nitro or a 4-phenyl, 4-chlorophenyl, 4-bromophenyl or 4-para-nitrophenyl group, R6 is hydrogen, chlorine or bromine R6' is hydrogen, chlorine, bromine or methyl, and R7 and R9 are the same and are chlorine or bromine, WITH THE PROVISOS (I) R2 is hydrogen when R1 is a radical (1) or (2) or when R1 is a radical (3), in which R5 is phenyl or chloro-, bromo- or nitro-phenyl, (II) R3 and R3' are both hydrogen when R1 is a radical (1), (3) or (4), (III) R5 is hydrogen when R5' is phenyl or chloro- , bromo- or nitro-phenyl, and (IV) R5 and R5' are both hydrogen only when R2 is other than hydrogen. |
