Rheological Characterization and Modeling of Thermally Unstable Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV). High temperature sensitivity as well as massive thermal degradation cause difficulties during the processing of PHBV. 
THERM
Creating master curves at the reference temperature of 180 °C with the software IRIS delivers Carreau and Arrhenius parameters. 
IRIS