Journal
MACROMOLECULAR SYMPOSIA
Volume 197, Issue -, Pages 125-132Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/masy.200350712
Keywords
biodegradability; blown extrusion; films; polymer blends; poly(vinyl alcohol); protein; renewable resources
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Hybrid blends of poly(vinyl alcohol) (PVA) and collagen hydrolyzate (CH), an added value waste from leather indutry, have been converted by blown molding extrusion, to environmentally degradable films. Blown extruded films comprising 5-15% of CH, were tested as sel fertilizing mulching films and analyzed for their propensity to enviromental degradation. PVA/CH films rapidly disintegrate when buried in soil, and resulted promising for application such as transplanting films, with additional fertilizing action of CH.
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