Exploitable results
Polymers have been synthesized by the ring-opening polymerization of beta-butyrolactones or cyclic anhydrosulphites. Both the homopolymers and copolymers of these monomers with caprolactone or valerolactone have been prepared and characterized for use as potential biodegradable materials. In addition to the synthesis of novel materials, existing materials such as polyhydroxybutyrate (PHB-HV) have been modified either by blending with cheaper materials or by transesterification reactions. Methods have been developed for the assessment of the physical and biological properties of the polymers. These methods have been directed towards both long term and short term assessment of stability of the polymers in aqueous environments.
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