A PROCESS FOR PREPARING DIKETENE HAVING REDUCED KETENE TRIMER CONTENT FROM CRUDE DIKETENE

摘要

pProcess for the reduction of the ketene trimer portion in raw diketene by mixing of the diketene with water, an alcohol, a phenol or a carboxylic acid, and heating the mixture to 50 DEG to 130 DEG C., and then distilling off the diketene./p[US4808735A]