and competition in the N-methylpyrrolidone market is intensifying.

n-methylpyrrolidone, abbreviated as nmp, is a polar aprotic solvent that appears as a colorless to light yellow transparent liquid with an amine-like gas. nmp has good thermal and chemical stability, is miscible with water, and is soluble in most organic solvents such as ether, acetone, and chloroform. my country’s nmp industry started in the 1990s.…