Injectable composites polysaccharides

In recent years starch, the polysaccharide of cereals, legumes and tubers, has acquired relevance as a biodegradable polymer and is becoming increasingly important as an industrial material (Fritz Aichholzer, 1995). Starch is a thermoplastic polymer and it can therefore be extruded or injection moulded (Balta Calleja et al, 1999). It can also be processed by application of pressure and heat. Starch has been used successfully as a matrix in composites of natural fibres (flax, jute, etc.). The use of starch in these composites could be of value in applications such as automobile interiors. An advantage of this biopolymer is that its preparation as well as its destruction do not act negatively upon the environment. A further advantage of starch is its low price as compared with conventional synthetic thermoplastics (PE, PP). 

Brines Used in Frannie Study. Four different brines were used during the laboratory evaluation of polysaccharide and polyacrylamide polymers for the Tensleep reservoir. Frannie injection brine (FIB) was nearly identical in composition to the low-salinity, highhardness reservoir interstitial water. Because FIB was unstable in air owing to the presence of H2S, a chloride-based Frannie injection brine (CBFIB) was formulated as a stable substitute for FIB. Field Madison brine (FMB) was a stable, low-salinity alternative to FIB. Chloride-based enriched Madison brine (CBEMB) was simply FMB saturated with calcium sulfate to simulate the brine that... 

---