Polylactic acid preparation method, polylactic acid resin prepared using the method, resin composition comprising the polylactic acid resin, and catalyst system for preparing polylactic acid

摘要

A method of preparing polylactic acid by combining lactide with a main catalyst and cocatalyst, wherein the main catalyst includes an organometallic compound and a cocatalyst includes a nanoparticle; as well as a composition are also provided.