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Study on Enzymatic Hydrolysis of Polylactic Acid by Endogenous Depolymerization Model

✍ Scribed by Masaji Watanabe; Fusako Kawai; Sadao Tsuboi; Shogo Nakatsu; Hitomi Ohara

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 427 KB
Volume: 16
Category: Article
ISSN: 1022-1344
DOI: 10.1002/mats.200700015

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Enzymatic degradation of polylactic acid is studied experimentally and analytically. Gel permeation chromatography profiles obtained before and after the enzymatic degradation of polylactic acid (PLA) were introduced into the analysis based on a mathematical model. Previously developed techniques were successfully adapted to the analysis of an initial value problem consisting of an endogenous depolymerization model and an initial condition, and an inverse problem to determine the degradation rate for which the solution of the initial value problem also satisfies a final condition. Those problems were solved numerically and numerical results are introduced. Degradabilities of PLA and polyvinyl alcohol are compared.

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