The product can be used to make a-pyrrolidone, N-methyl-2-pyrrolidone and polyvinyl-pyrrolidone. Overview of performance:The product can be used to make a-pyrrolidone, N-methyl-2-pyrrolidone and polyvinyl-pyrrolidone. It's also an ideal antioxidant, plasticizer, extractant, absorbent, dispersant, color fixing agent and coagulant. In medical and pharmaceutical industry, It can be used as an ...