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Title: | Biodegradation of blown films based on poly(lactic acid) under natural conditions | ||||||||||
Author: | Sedlařík, Vladimír; Saha, Nabanita; Sedlaříková, Jana; Sáha, Petr | ||||||||||
Document type: | Conference paper (English) | ||||||||||
Source document: | Macromolecular Symposia. 2008, vol. 272, p. 100-103 | ||||||||||
ISSN: | 1022-1360 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1002/masy.200851214 | ||||||||||
Abstract: | Commercially available polymer Bioflex (R) 219F, blend of polylactic acid and biodegradable co-polyester, was used for film preparation, performed on monoextrusion blown moulding machine. Resulting thin film was investigated on biodegradability in composting conditions for 6 weeks. The influence of microbial attack on mechanical, physico-chemical properties, weight loss and surface morphology was tested weekly. The results obtained during 6 weeks of composting indicate relatively good accessibility to biological degradation. Moreover, the time course of studied properties was observed through the test period. | ||||||||||
Full text: | http://onlinelibrary.wiley.com/doi/10.1002/masy.200851214/abstract | ||||||||||
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