选用干湿法纺丝制得的聚乳酸(PLLA)纤维,通过一定的编织工艺制成织物.将织物置于37℃、pH=7.4的磷酸缓冲溶液中进行体外降解.通过对织物失重率、力学性能和纤维分子量及分布、结晶度以及表面形态的测定,对干湿纺PLLA纤维的水解机理进行了探讨,发现干湿法纺丝工艺可促进PLLA纤维的体外降解速率.
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