公开(公告)号：US3684797A

公开(公告)日：1972-08-15

申请号：US3684797D

申请日：1970-07-08

Applicant: STAMICARBON

Inventor： GARRITSEN JOHAN W ,  CLASSENS JOHANNES E L

IPC: B01D9/02 ,  C07D201/16 ,  C07D41/06

CPC classification number: C07D201/16

Abstract: Laurolactam is purified by crystallization from solution in a solvent mixture of acetonitrile and water. The water content of the solvent mixture does not exceed 45 percent. Laurolactams thus purified are useful in the preparation of polyamides.

Abstract translation: 在乙腈和水的溶剂混合物中从溶液中结晶来纯化月桂内酰胺。 溶剂混合物的水分含量不超过45％。 如此纯化的月桂内酰胺可用于制备聚酰胺。