Recently, with the development of nylon, colophony, membrane and leatheroid in the area of engineering plastic, the demand for CPL is increasing.

• 近年来由于锦纶(尼龙)6纤维、锦纶树脂、聚酰胺、薄膜和人造革在工程塑料应用领域的扩大和发展,对己内酰胺的需求量也在不断增长。