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Materiale Plastice (Mater. Plast.), Year 2015, Volume 52, Issue 2,





Viorica DESELNICU, DANA CORINA DESELNICU, ANA MARIA VASILESCU, MARIAN CRUDU, LUMINITA ALBU Polymer - collagen Biocomposites


Abstract:
Natural polymers, or polymers derived from living creatures, are of great interest in the biomaterials field. Collagen is the most widely found protein in mammals (25% of our total protein mass!) and is the major provider of strength to tissue. The paper presents a study regarding obtaining and characterization of biocomposite based on vinyl-acrylic copolymers as latexes and collagen polypeptides, in the following variants: blends, intermolecular complexes and interpenetrated polymeric structures. The present work discusses the results obtained on the rheological behaviour of the fluid mixtures. Regression analysis of the experimental rheological data illustrates that the latex of vinyl-acrylic copolymer is characterized by a second-order polynomial model, while the composites including collagen hydrolysates are preferentially fitted with third-order polynomial model. It has been proved the influence of the molecular weight and the concentration of collagen hydrolysate aqueous solutions on the viscosity and flowing index of polymer mixture in fluid state. Keywords: biocomposite, collagen, blends, acrylic biopolymer



Issue: 2015 Volume 52, Issue 2
Pages:
Publication date: 2015/6/30
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