Mono-azo compound, mono-azo dye and dyeing process for polyester fibers
AssigneeMitsubishi Chemical Industries Limited
InventorsSeiichi Imahori, Kiyoshi Himeno, Maeda, Shuichi
Life of this patent
Estimating the term…
Abstract
Mono-azo compounds and mono-azo dyes represented by the following general formula and a dyeing process for polyester fibers using the mono-azo dyes: ##STR1## wherein R.sup.1 and R.sup.2 individually represent hydrogen atom, substituted or non-substituted alkyl group, alkenyl group and cyclohexyl group, R.sup.3 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, substituted or non-substituted alkoxy group or alkenyl group and R.sup.4 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, alkoxy group, hydroxy group, acylamino group, alkoxycarbonylamino group, aralkyloxycarbonylamino group or alkylaminocarbonylamino group.
Claims3
A mon-azo dye represented by the following general formula:
- ##STR125## wherein R.sup.1 and R.sup.2 individually represent hydrogen atom, substituted or non-substituted alkyl group, alkenyl group, and cyclohexyl group, R.sup.3 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, substituted or non-substituted alkoxy group or alkenyl group, and R.sup.4 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, alkoxy group, hydroxy group, acylamino group, alkoxycarbonylamino group, aralkyloxycarbonylamino group or alkylaminocarbonylamino group.
A process for dyeing polyester fibers, in which polyester fibers are dyed by using a mono-azo dye represented by the following general formula:
- ##STR126## wherein R.sup.1 and R.sup.2 individually represent hydrogen atom, substituted or non-substituted alkyl group, alkenyl group, and cyclohexyl group, R.sup.3 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, substituted or non-substituted alkoxy group or alkenyl group, and R.sup.4 represents hydrogen atom, chlorine atom, bromine atom, alkyl group, alkoxy group, hydroxy group, acylamino group, alkoxycarbonylamino group, aralkyloxycarbonylamino group or alkylaminocarbonylamino group.
Dependencies are inferred from the claim text.