简介:OBJECTIVEPoly-L-lactide(PLLA)isthemainmaterialmakingforbiodegradableosteosynthesis.ButthecommonlyusedprocessesmakethePLLA'sinitialmechanicalpropertiestoolowtosufficientfortheneedforclinicalosteosynthesis.Thenitmustbetodevelopsomespecialprocesstoenhancethemechanicalproperties.