申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0080352A2
公开(公告)日:1983-06-01
A monoazo compound represented by a free acid of the formula:
wherein Rl and R2 independently represent a hydrogen atom, or an alkyl, aralkyl or cyclohexyl group; R3 represents a hydrogen atom or a methyl or sulfonic acid group; R4 represents a hydrogen atom or an alkyl group; A represents an oxygen atom or -NH-; X1 and X2 independently represent a hydrogen or chlorine atom, or a methyl, methoxy, carboxyl or sulfonic acid group; and Y represents -CH = CH2 or -CH2CH2Z (Z represents a halogen atom, -OS03H or -OP03H2). This compound is used for dyeing cellulose fibers to give dyed products of yellow to reddish yellow having excellent fastnesses, particularly chlorine fastness.
一种由游离酸代表的单偶氮化合物,其式如下: 其中 Rl 和 R2 分别代表氢原子或烷基、芳基或环己基;R3 代表氢原子或甲基或磺酸基;R4 代表氢原子或烷基;A 代表氧原子或-NH-;X1 和 X2 分别代表氢原子或氯原子或甲基、甲氧基、羧基或磺酸基;Y 代表-CH = CH2 或-CH2CH2Z(Z 代表卤素原子、-OS03H 或-OP03H2)。 该化合物用于纤维素纤维的染色,染色后的产品呈黄色至淡红色,具有极佳的牢度,尤其是耐氯牢度。