Abstract

In this paper, we consider the main characteristics of polyhydroxybutyrate (PHB) and polylactic acid (PLA) as well as the prospects and possibility of the medical use of PHB-PLA compositions as these polymers are most relevant to such application. The study establishes the main thermophysical parameters of PHB and PLA. It is found that PHB and PLA are hydrophobic enough. The study by the electron paramagnetic resonance method reveals a small amount of the radical infiltrated in PLA and PHB, which indicates the chain rigidity of both polymeric structures. Mechanical properties of PLA and PHB are characterized by high strength and low elasticity.

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