【摘要】 简要介绍了己内酰胺的４种工业生产方法以及己内酰胺中的杂质组分，分析了杂质对己内酰胺产品质量的影响，探讨了己内酰胺杂质形成的原因。更多还原

【Abstract】 Four industrial production methods for caprolactam and its composition of impurity were briefly introduced. The effects of impurities on the product quality were analyzed. The reason of impurities formation was also explored.更多还原