Poly(3-hydroxybutyrate) Modified with Thermoplastic Polyurethane and Microfibrillated Cellulose: Hydrolytic Degradation and Thermal and Mechanical Properties.

Although the differences between the samples in terms of tan δ peak height are very small, they fall into an increasing trend that correlates well with the increase in the content of the amorphous phase in the composites and the decreased stiffness caused by the addition of the elastomeric PU.

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