发明授权
- 专利标题: Process for the dyeing of wool with reactive dyestuffs
- 专利标题(中): 用活性染料染色羊毛的方法
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申请号: US90262申请日: 1979-11-01
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公开(公告)号: US4304566A公开(公告)日: 1981-12-08
- 发明人: Hans-Ulrich von der Eltz , Armand Lehinant , Joachim W. Lehmann , Hans-Peter Maier
- 申请人: Hans-Ulrich von der Eltz , Armand Lehinant , Joachim W. Lehmann , Hans-Peter Maier
- 申请人地址: DEX Frankfurt
- 专利权人: Hoechst Aktiengesellschaft
- 当前专利权人: Hoechst Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt
- 优先权: DEX2847913 19781104
- 主分类号: D06P1/38
- IPC分类号: D06P1/38 ; D06P3/14 ; D06P3/82 ; D06P3/872 ; D06P1/384
摘要:
A process for the dyeing of textiles consisting of wool without anti-felt finish or wool having an anti-felt finish in the form of a coating of a polyimine resin or a polyacrylic resin, or textiles containing such wool, with reactive dyes according to the exhaust method, which comprises dyeing said textiles in aqueous dyeing baths containing at least one commercial reactive dyestuff the starting pH of which is in the weakly acidic to neutral range, by heating rapidly to the dyeing temperature of 110.degree. to 125.degree. C. immediately after addition of the dissolved dyestuff, and by dyeing at this temperature for 10 to 20 minutes, while omitting the addition of pH-regulating substances during the whole dyeing operation.