Abstract Polylactic acid (PLA) and poly(3-hydroxybutyrate- co -4-hydroxybutyrate) (P(3HB- -4HB)) nanofibers were prepared by melt extrusion of immiscible blends PLA/polyvinyl alcohol (PVA) P(3HB- -4HB)/PVA via in situ formation microfibrils during the process. The morphology after removal PVA with water was studied using scanning electron microscopy. intermolecular interactions Fourier-transfor...

In this work, we study the application of Model Order Reduction (MOR) to flow plastics melt in an extrusion die. The process is described with a non-linear model consisting Stokes equations combination shear-thinning material model. reduction performed through Proper Orthogonal Decomposition (POD) approach subsequent projection. We perform a-posteriori error analysis for quantity interest, base...

The utilization of hot melt extrusion (HME) technology for new applications is increasing in recent years, as evidenced by the many published reports last five years. Because its process automation and low-cost scale-up qualities, which decrease labor expenses capital investment. HME has emerged an essential drug delivery pharmaceutical research manufacture. novel application provides a promisi...

Plastics extrusion is a manufacturing process suitable for continuous profiles such as floor skirtings, window frames, and pipes. In industrial applications, extrusion is a large-scale process, financially attractive only for mass products. This is due to the time consuming and costly regulation of the extrusion process and especially, the design of an extrusion die which relies on running-in e...

Abstract In foam extrusion, process parameters, material properties, and the blowing agent have an influence on resulting properties. For safety environmental reasons, carbon dioxide (CO 2 ) has gained importance as a physical for production of low‐density polystyrene sheets. The sole use CO often leads to corrugation, open cell structures, or surface defects sheet. As alternative, mixtures bas...