Poly(lactic acid) (PLA) is a sustainable, bio-based, and industrially compostable polymer with recalcitrant abiotic degradation phase, limiting its organic recovery to well-managed industrial composting facilities. We present methodology fully biodegrade PLA in home settings. Thermoplastic starch (TPS) were reactively blended by adding chemical modifier peroxide radicals obtain PLA-g-TPS blend ...

the effect of shear rate on dissolution of carbon dioxide in viscoelastic wheat flour matrix and cell density in a glass barrel twin screw extruder is investigated. it is found that by increasing the shear rate there will be a decrease in the required thermodynamic conditions and hence, it improves blowing agent dissolution and increases the cell density. shear rate breaks up big bubbles and he...

Edible films (EF) can be produced and developed for preservation of fruits vegetables. Starch has been considered one the biopolymers with greatest potential to produce edible by different processing techniques such as extrusion-casting. The objetive was study effect calcium carbonate nanoparticles plasticizers (sorbitol- glycerol (80-20%; w/w)) (by extrusion (EXT)-casting (CT) combination tech...

This work aims at selecting the operating conditions and designing screws that optimize the performance of single-screw and co-rotating twin-screw extruders, which are machines widely used by the polymer processing industry. A special MOEA, denoted as Reduced Pareto Set Genetic Algorithm, RPSGAe, is presented and used to solve these multiobjective combinatorial problems. Twin screw design is fo...

This paper investigates foam granulation in a twin screw extruder as a new continuous wet granulation technique for pharmaceutical powder drug formulations. Foamed aqueous binder has a reportedly lower soak-to-spread ratio than drop or spray liquid addition in batch granulation. This work demonstrates a twin screw extruder configuration for foam granulation and subsequently compares the new app...

A new hybrid methodology that fully integrates the processing capabilities of the twin screw extrusion process (conveying solids, melting, dispersive and distributive mixing, pressurization, temperature profiling, devolatilization) with electrospinning is described. The hybrid process is especially suited to the dispersion of nanoparticles into polymeric binders and the generation of nanopartic...