Patent ID: 8586658

Claim:
A polylactic acid resin composition, comprising: (a) a polylactic acid resin reacted with a (meth)acrylate compound; and (b) an organic crystal nucleating agent comprising at least one kind of low molecular weight compound; wherein, said (meth)acrylate compound is present as 0.01 to 20 parts by mass with respect to 100 parts by mass of the polylactic acid resin, said at least one kind of low molecular weight compound is present as 0.5 to 5 parts by mass with respect to 100 parts by mass of the polylactic acid resin, said (meth)acrylate compound is selected from the group consisting of: glycidyl methacrylate, glycidyl acrylate, glycerol dimethacrylate, trimethylolpropane trimethacrylate, trimethylolpropane triacrylate, allyloxypolyethylene glycol monoacrylate, allyloxypolyethylene glycol monomethacrylate, polyethylene glycol dimethacrylate, polyethylene glycol diacrylate, polypropylene glycoldimethacrylate, polypropylene glycol diacrylate, polytetramethylene glycol dimethacrylate butanediol methacrylate, and butanediol acrylate, and said low molecular weight compound is selected from the group consisting of: ethylenebis-12-glycidylstearic acid amide, hexamethylenebis-10-glycidylstearic acid amide, hexamethylenebis-9,10-diglycidylstearic acid amide, p-xylylenebis-9,10-diglycidylstearic acid amide, p-xylylenebis-11,12-diglycidylstearic acid amide, ethylenebis-12-hydroxystearate, hexamethylenebis-10-hydroxystearate, hexamethylenebis-9,10-dihydroxystearate, p-xylylenebis-9,10-dihydroxystearate, p-xylylenebis-11,12-dihydroxystearate, ethylenebis-12-aminostearate, hexamethylenebis-10-aminostearate, hexamethylenebis-9,10-diaminostearate, p-xylylenebis-9,10-diaminostearate, p-xylylenebis-11,12-diaminostearate, ethylenebis-12-cyanostearate, hexamethylenebis-10-cyanostearate, hexamethylenebis-9,10-dicyanostearate, p-xylylenebis-9,10-dicyanostearate, p-xylylenebis-11,12-dicyanostearate, ethylenebis-12-glycidylstearate, hexamethylenebis-10-glycidylstearate, hexamethylenebis-9,10-diglycidylstearate, p-xylylenebis-9,10-diglycidylstearate and p-xylylenebis-11,12-diglycidylstearate.