发明授权
US5610229A Process for adjusting the viscosity of highly concentrated elastane
solutions for the dry spinning or wet spinning of elastane fibres
失效
用于调节高浓缩弹性纤维溶液粘度的方法,用于干燥纺丝或湿法纺丝弹性纤维
- 专利标题: Process for adjusting the viscosity of highly concentrated elastane solutions for the dry spinning or wet spinning of elastane fibres
- 专利标题(中): 用于调节高浓缩弹性纤维溶液粘度的方法,用于干燥纺丝或湿法纺丝弹性纤维
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申请号: US646191申请日: 1996-05-07
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公开(公告)号: US5610229A公开(公告)日: 1997-03-11
- 发明人: Ulrich Reinehr , Gunter Turck , Tilo Sehm , Wolfgang Anderheggen , Toni Herbertz , Gino Antolini
- 申请人: Ulrich Reinehr , Gunter Turck , Tilo Sehm , Wolfgang Anderheggen , Toni Herbertz , Gino Antolini
- 申请人地址: DEX Dormagen
- 专利权人: Bayer Faser GmbH
- 当前专利权人: Bayer Faser GmbH
- 当前专利权人地址: DEX Dormagen
- 优先权: DEX4446339.1 19941223
- 主分类号: C08L75/00
- IPC分类号: C08L75/00 ; C08K5/17 ; D01D1/02 ; D01F6/70 ; G05D24/00 ; C08J3/00 ; C08K3/20
摘要:
The invention relates to a process for adjusting the viscosity of highly concentrated elastane solutions by reaction of the solution with secondary aromatic amines in order to produce spinning solutions for the dry or wet spinning of elastane fibers.
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