发明授权
US4505715A Monoazo dyestuff mixtures to dye polyester yellow 失效
单色染料混合染色聚酯黄色

Monoazo dyestuff mixtures to dye polyester yellow
摘要:
A monoazo dyestuff mixture which comprises 90-30% by weight of a monoazo dyestuff of the general formula [II]: ##STR1## wherein R.sup.2 is C.sub.3-6 alkyl, C.sub.1-4 alkoxyalkyl, phenoxyalkyl or aralkyl and 10-70% by weight of a monoazo dyestuff of the formula [III]: ##STR2##
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