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Biodegradation of Lactic Acid Based Polymers under Controlled Composting Conditions and Evaluation of the Ecotoxicological Impact

✍ Scribed by Tuominen, Jukka; Kylmä, Janne; Kapanen, Anu; Venelampi, Olli; Itävaara, Merja; Seppälä, Jukka


Book ID
120023982
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
854 KB
Volume
3
Category
Article
ISSN
1525-7797

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✍ Kari Hiltunen; Jukka V. Seppälä; Mika Härkönen 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 198 KB 👁 2 views

A two-step process for lactic acid polymerization is studied: in the first step the lactic acid is condensation-polymerized to a low-molecular-weight hydroxylterminated prepolymer; and then the molecular weight is raised by joining prepolymer chains together using diisocyanate as the chain extender.