POLYLACTIC ACID RESIN COMPOSITION

摘要

　Provided is a resin composition containing 0.01-10 mass parts of a 5-sulfoisophthalatic acid dimethyl metal salt (B) per 100 mass parts of a polylactic acid resin (A), wherein five or more particles of the 5-sulfoisophthalatic acid dimethyl metal salt (B) having particle size of less than 0.1μm are present in any 10 degree field of view of an ultra-thin slice.