Promotion of epsilon-caprolactam polymerization

Details Promotion of epsilon-caprolactam polymerization Promotion of epsilon-caprolactam polymerization

C - Chemistry, Metallurgy

08

G

400/2017, 402/23

C08G 69/20 (2006.01)

Patent

CA 1255039

PROMOTION OF .epsilon.-CAPROLACTAM POLYMERIZATION ABSTRACT A process for polymerizing .epsilon.-caprolactam to form a nylon-6 polymer in which a reactant stream containing .epsilon.-caprolactam and a lactam polymerization initiator is brought into polymerizing admixture with a reactant stream containing .epsilon.-caprolactam and a lactam magnesium halide, wherein sufficient 2-oxo- 1-pyrrolidinyl compound is added to the admixture either as 2-pyrrolidinone, 2-oxo-pyrrolidinyl mag- nesium halide or 2-oxo-1-pyrrolidinyl capped initiator compound to enhance the rate of polymerization of the .epsilon.-caprolactam.

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