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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2011, Volume 48, Issue 4,





Gabriel ZAINESCU, Valentin barna, Rodica CONSTANTINESCU, Emil STEFAN BARNA, Petre Voicu , Lucia SANDRU High Yield Biopolymer Systems Obtained from Leather Wastes


Abstract:
Organic biopolymers are a source of raw material for agriculture, whereas the composition of protein wastes provides sufficient elements to improve the composition and remediation of degraded soils and plants by exploiting elements, such as nitrogen, calcium, magnesium, sodium, potassium etc. From processing one tone of raw hide, 75% is discarded, of which 50% could be further used as organic fertilizer. Protein biopolymers were obtained by means of an innovative enzymatic procedure for waste processing. In combination with polyacrylamide, acrylic, maleic, cellulose, starch etc. are used in the agricultural field. We characterize the protein biopolymers by specific morpho-structural analysis methods (UV-Vis, IR spectroscopy, thermal analyses, X-ray diffraction, microscopy).The novelty of this work is the biochemical combination process of synthetic polymers with organic biopolymers from tanneries with viable and interesting applications in agriculture. Keywords: biopolymer, protein wastes, tannery, soil, structural analysis



Issue: 2011 Volume 48, Issue 4
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