抄録
Hydrolysis tests were conducted on the poly(lactic acid) (PLA) fibers to evaluate the effect of hydrolysis on the mechanical properties. In the hydrolysis tests, phosphate buffered solution with pH 7.4 was used. The immersion periods are 4 and 8 weeks. After hydrolysis, single fiber tensile tests were conducted. The results of tensile test indicated that the hydrolysis occurs at 8 weeks.