发明授权
US5741867A 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

Process for adjusting the viscosity of highly concentrated elastane
solutions for the dry spinning or wet spinning of elastane fibres
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 fibres.
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