Abstract
Abstract
This paper reports the effect of twin screw extrusion (TSE) process parameters on primary (1°) recycled acrylonitrile butadiene styrene (ABS) for possible 3D applications. The ABS (virgin/recycled) is one of the most widely used thermoplastic materials for fused deposition modeling (FDM) based 3D printing of functional prototypes. But hitherto little has been reported on improving the mechanical/rheological/morphological and thermal properties of (1°) recycled ABS while extrusion without any reinforcement (i.e. without secondary (2°) recycling). In this work the granules of 1° recycled ABS have been extruded after ascertaining suitable process parameters of TSE (namely: screw temperature, torque and dead weight). The results of study suggests that screw temperature 210 °C, 0.3Nm torque and dead weight of 13 kg are the best settings for TSE in the present case study. The TSE based extruded 1° recycled ABS has improved crash resistance properties (as modulus of toughness was significantly improved to 3.261 MPa (from 0.191 MPa (for non TSE processed) and 0.081 for virgin ABS).
Subject
Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials
Cited by
22 articles.
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