发明名称 |
Dyeing process for denim cotton yarns making use of a specific dye, and product dyed with the dye. |
摘要 |
<p>A dye suitable for use in dyeing denim cotton yarns comprises at least one quinophthalone derivative represented by the following general formula (I) or (II): <CHEM> wherein X means H, Br or Cl and Y denotes H, COOR or -COOC2H4OR (R: alkyl). The quinophthalone moiety can be used in combination with an indigo dye. A dyeing process making use of the above dye and denim cotton yarns thus dyed are also disclosed. Yarns can be dyed by exposing them (1) to a mixed bath containing an indigo dye and the quinophthalone dye, or (2) to separate dye baths which individually contain one or other of these dyes.</p> |
申请公布号 |
EP0276171(A2) |
申请公布日期 |
1988.07.27 |
申请号 |
EP19880300547 |
申请日期 |
1988.01.22 |
申请人 |
MITSUI TOATSU CHEMICALS, INCORPORATED |
发明人 |
KUNIHIRO, HISANOBU;SAKAGAWA, TETSUO;NAKAYAMA, TAKAYUKI |
分类号 |
C09B25/00;C09B67/22;D06P1/22;D06P3/60 |
主分类号 |
C09B25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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