申请人:Produits Chimiques Ugine Kuhlmann
公开号:US04049375A1
公开(公告)日:1977-09-20
The dyeing of synthetic polyester fibers wherein the dyestuff is a mono-azo dyestuff of the formula ##STR1## in which X represents a hydrogen, chlorine, bromine, cyano, nitro or lower alkylsulphonyl radical, R.sub.1 represents hydrogen, chlorine or bromine atom or a lower alkyl, lower alkoxy or acylamino radical, R.sub.2 represents a hydrogen atom or a lower alkoxy radical and R.sub.3 represents a lower alkyl, .beta. -hydroxyethyl, .beta.-cyanoethyl, .beta.-acetoxyethyl or .beta.-(.beta.-acetoxyethoxy)-ethyl group.
合成聚酯纤维的染色,其中染料为公式##STR1##的单偶氮染料,其中X代表氢、氯、溴、氰、硝基或低烷基磺酰基基团,R.sub.1代表氢、氯或溴原子或低烷基、低烷氧基或酰胺基基团,R.sub.2代表氢原子或低烷氧基基团,R.sub.3代表低烷基、β-羟乙基、β-氰乙基、β-乙酰氧基乙基或β-(β-乙酰氧乙氧基)-乙基基团。