Some bacteria such as Gluconacetobacter synthesize cellulose nanofibers (BC) through the polymerization of glucose and subsequent extrusion outside the cell. In static conditions, the bacteria produce a three-dimensional network that can be used as reinforcing material in polymer matrices. Such nanocomposites have been reported by in-situ growth or by mixing with polymers in the wet state. This research aims to exploit the bioengineering provided by the bacteria of the genus Gluconacetobacter by in-situ growth in a medium enriched with water-soluble poly(vinyl alcohol).  Composite films produced after the assembly of the components in static conditions were obtained after physical and chemical crosslinking. The effect of crosslinking conditions on the mechanical performance and interactions with water will be discussed and prospects for some applications will be highlighted.

Effect of physical and chemical crosslinking in the properties of composites after<i> </i>in-situ growth of bacterial cellulose in the presence of poly(vinyl alcohol)

243rd National Meeting (2012)

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Effect of physical and chemical crosslinking in the properties of composites after in-situ growth of bacterial cellulose in the presence of poly(vinyl alcohol)