PRODUCTION OF POLY-ALPHA-AMINO ACID PARTICLE

摘要

PROBLEM TO BE SOLVED: To directly obtain polyamino acid particles by polymerizing anα-amino acid N-carbonic anhydride. SOLUTION: This process for producing poly-α-amino acid particles comprises inhomogeneously polymerizing anα-amino acid N-carbonic anhydride in an organic solvent the solubilities of theα-amino acid N-carbonic anhydride and the formed poly-α-amino acid in which are each 0.1g/100ml or below in the polymerization of theα-amino acid N-carbonic anhydride in the presence of a polymerization initiator in the organic solvent.