PLA/PHA- BIODEGRADABLE BLENDS FOR PNEUMOTHERMIC FABRICATION OF NONWOVENS

This study presents the results of research concerning fabrication of nonwovens from biodegradable polymer blends using the melt-blown method. The experiments performed within the framework of the research confirmed the possibility of obtaining polymer composites based on polylactide ( PLA) with poly( hydroxyalkanoates) ( PHA) and another aliphatic-aromatic copolyester. The obtained products were subjected to the analyses of chemical structure using the Fourier Transform Infrared Spectroscopy( FTIR) Attenuated Total Reflectance( ATR) method. The physical and mechanical properties of the fabricated nonwoven layers were also tested, which confirmed a wide spectrum of their applicability, depending on the polymer composition used in production.