METHOD FOR MANUFACTURING OF ANIONIC POLYCAPROLACTAM WITH A LOW CONTENT OF MONOMER AND HIGHLY STABLE VISCOSITY OF THE MOLTEN POLYMER

摘要

1515788 Anionic nylon 6 CESKOSLOVENSKA AKADEMIE VED 1 July 1976 [8 July 1975] 27397/76 Heading C3R Nylon 6 of low monomer content and stable degree of polymerization is obtained by anionic polymerization using a basic initiator and an activator R2=H or C1-4 alkyl) in a molar ratio of activator : initiator of 0À866 to 1À4, with partial polymerization at below 220‹ C., shaping of the partial polymer, and completion of polymerization after shaping also at below 220‹ C.