the development of butyrolactam (2-pyrrolidone) industry has accelerated

Butyrolactam, also known as 2-pyrrolidone and 2-pyrrolidone, has a chemical formula of C4H7NO and is an organic compound. Butyrolactam appears as a colorless liquid, miscible in carbon tetrachloride, water, ether, alcohol and benzene, but insoluble in petroleum ether. Butyrolactam is a carbon-containing compound with the advantages of good chemical stability, biodegradability, and recyclability. It has…