发明授权
US4013406A Process for continuously dyeing filaments of slivers of wet-spun
acrylonitrile polymers
失效
用于连续染色湿纺丙烯腈聚合物细丝长丝的方法
- 专利标题： Process for continuously dyeing filaments of slivers of wet-spun acrylonitrile polymers
- 专利标题（中）： 用于连续染色湿纺丙烯腈聚合物细丝长丝的方法
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申请号： US541065申请日： 1975-01-14
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公开(公告)号： US4013406A公开(公告)日： 1977-03-22
- 发明人: Ulrich Reinehr , Hans Lenz , Alfred Nogaj , Gunter Blankenstein
- 申请人： Ulrich Reinehr , Hans Lenz , Alfred Nogaj , Gunter Blankenstein
- 申请人地址： DT Leverkusen
- 专利权人： Bayer Aktiengesellschaft
- 当前专利权人： Bayer Aktiengesellschaft
- 当前专利权人地址： DT Leverkusen
- 优先权： DT2401880 19740116
- 主分类号： D06P3/76
- IPC分类号： D06P3/76 ; D06P5/20 ; D06P7/00 ; D06P3/70
摘要：
The invention relates to a process for the continuous uniform and penetrative dyeing with high fastnesses of slivers or filaments of acrylonitrile polymers which have been produced by a standard wet-spinning process wherein the slivers or filaments prior to dyeing are subjected to a combined washing, pressing and drying pretreatment.
公开/授权文献
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