Enzymatic Degradation of Poly(Hexano-6-lactone) Fibers by Copoly(Methylvinylether/Maleic anhydride)-Modified Lipoprotein Lipase

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  • コポリ（メチルビニルエーテル/無水マレイン酸)修飾リポ蛋白リパーゼによるポリ（ヘキサノー6－ラクトン)繊維の酵素分解

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Poly(hexano-6-lactone)(PCL) fibers were enzymatic degraded by lipoprotein lipase(LPL) modifiedwith copoly(methylvinylethcr/malcic anhydride) (MAMEC) in vitro. The degradation of PCL fibers by MAMEC-modified LPL(MAMEC-LPL) was assessed by the weight loss and ultimate tensile strength loss. The experimental results were compared with those obtained with free LPL. The degradation kinetics on the weight loss of PCL fibers suggested that the degradation of PCL fibers gradually proceeded from the surface of fibers into their core. The weight loss of PCL fibers in the course of MAMEC-LPL digestion took place almost in parallel with the strength loss of PCL fibers, while the strength loss took place at a higher rate than the weight loss of PCL fibers in the course of free LPL digestion. The degradation of PCL fibers was found to depend on the draw ratio and crystallinity of PCL fibers.

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