The paper is devoted to the preparation of a composite material based on isotactic polypropylene (PP) and a microcrystalline cellulose (MCC) filler for additive manufacturing. MCC was treated by polypropylene-graft-maleic anhydride (PP-g-MA) in toluene solution. This method of modification had a compatibilizing effect on the composite structure. Filament samples of neat PP and PP composites loaded with either untreated or PP-g-MA-treated MCC were obtained by extrusion. Comparing technological properties of different filament types, it was stated that PP-g-MA modification conduced to lower shrinkage and uniform diameter of the filament. The developed filaments were employed to develop 3D polymeric devices with predefined geometry and porosity by fused deposition modelling with a prototyping machine.

Development of eco-friendly composites based on polypropylene and cellulose for additive manufacturing (fused deposition modeling) / E. Mastalygina, P. Pantyukhov, A. Massironi, A. Morelli, D. Puppi, F. Chiellini (AIP CONFERENCE PROCEEDINGS). - In: PROCEEDINGS OF THE 35TH INTERNATIONAL CONFERENCE OF THE POLYMER PROCESSING SOCIETY (PPS-35) / [a cura di] F.C Cebeci, Y.Z. Menceloglu, S. Unal, Y. Ulcer,. - New York : American Institute of Physics Inc., 2020. - ISBN 9780735419568. - pp. 1-6 (( Intervento presentato al 35. convegno International Conference of the Polymer Processing Society, PPS 2019 tenutosi a Cesme-Izmir : 26–30 May nel 2019 [10.1063/1.5142981].

Development of eco-friendly composites based on polypropylene and cellulose for additive manufacturing (fused deposition modeling)

A. Massironi;
2020

Abstract

The paper is devoted to the preparation of a composite material based on isotactic polypropylene (PP) and a microcrystalline cellulose (MCC) filler for additive manufacturing. MCC was treated by polypropylene-graft-maleic anhydride (PP-g-MA) in toluene solution. This method of modification had a compatibilizing effect on the composite structure. Filament samples of neat PP and PP composites loaded with either untreated or PP-g-MA-treated MCC were obtained by extrusion. Comparing technological properties of different filament types, it was stated that PP-g-MA modification conduced to lower shrinkage and uniform diameter of the filament. The developed filaments were employed to develop 3D polymeric devices with predefined geometry and porosity by fused deposition modelling with a prototyping machine.
additive manufacturing; biocomposites; cellulose; fused deposition modeling; polypropylene
Settore CHIM/05 - Scienza e Tecnologia dei Materiali Polimerici
2020
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/943193
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