Process for the manufacture of spandex and the spandex made thereby

发明授权

US06403712B1 Process for the manufacture of spandex and the spandex made thereby 有权

标题翻译：由此制造氨纶和氨纶的工艺

摘要：

Dry-spun polyurethane-based spandex ® containing 1-10 weight percent poly(vinylpyrrolidone) and a process of their preparation, are provided.

摘要（中）：

提供含有1-10重量％聚（乙烯基吡咯烷酮）的干纺聚氨酯氨纶（R）及其制备方法。

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