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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Nicholas, Paul
Royal Danish Academy – Architecture, Design, Conservation
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Automated Shotcretecitations
- 2023Biopolymer Composites in Circular Design:Malleable materials for an instable architecture
- 2023Biopolymer Composites in Circular Design
- 2023Recyclable Extrudable Biopolymer Composites from Alginate and Lignocellulosic Biomass Wastecitations
- 2023Another Logic in Architectural Design and Fabrication - Lessons From The Living Prototypes Project
- 2023Another Logic in Architectural Design and Fabrication - Lessons From The Living Prototypes Project
- 2020Soft actuated material: Exploration of a programmable compositecitations
- 2020Soft actuated material: Exploration of a programmable compositecitations
- 2018Coupled Modeling and Monitoring of Phase Change Phenomena in Architectural Practice
- 2018Full-scale Prototype of a Lightweight and Robotic Incrementally Formed Copper Facade System with Standing Seam Connections
- 2016Concepts and Methodologies for Multi-scale Modelling: a Mesh-based Approach for Bi-directional Information Flows.
- 2016Concepts and Methodologies for Multi-scale Modelling: a Mesh-based Approach for Bi-directional Information Flows.
- 2016Adaptive Meshing for Bi-directional Information Flowscitations
- 2016An Integrated Modelling and Toolpathing Approach for a Frameless Stressed Skin Structure, Fabricated Using Robotic Incremental Sheet Formingcitations
- 2016An Integrated Modelling and Toolpathing Approach for a Frameless Stressed Skin Structure, Fabricated Using Robotic Incremental Sheet Formingcitations
- 2016Adaptive Meshing for Bi-directional Information Flows:A Multi-Scale Approach to Integrating Feedback between Design, Simulation, and Fabricationcitations
- 2014The Social Weaver
- 2014The social weavers considering top-down and bottom-up design processes as a continuumcitations
- 2014The Social Weaver: Considering Top-down and Bottom-up design processes as a continuum
- 2012Composite Territories
- 2012Composite Territories:Engaging a bespoke material practice in digitally designed materials
Places of action
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article
Recyclable Extrudable Biopolymer Composites from Alginate and Lignocellulosic Biomass Waste
Abstract
This paper reports the formulation of novel thermoprocessable alginate biopolymer composites filled with algae biomass or biomass waste side streams from the food industry. Plasticized alginates have classically been prepared by solvent casting from an aqueous solution. In the formulation that we report, substantially lower amounts of water are used to plasticize the alginate and make it temporarily thermoprocessable, while a permanent plasticizer (glycerol) is employed to control the final properties of the biopolymer composites after processing. Different bio-based wastes from food production were exploited as fillers (seagrass, apple pomace, and lignocellulosic side stream from different steps of the brewery process). The materials, the matrix, and its composites are processed by extrusion. Extrusion with a low water content results in a stiff material with Young′s modulus of 4 GPa and a tensile strength of 103 MPa, surpassing some of the currently used thermoprocessable bio-based and petroleum-based plastics. The addition of lignocellulosic biomass fillers brought a reduction of 28% in shrinkage and 7% in density, without significantly compromising the high stiffness of the alginate matrix. Further emphasizing the sustainable potentials, the developed materials showed to be recyclable up to 4 times without affecting the mechanical properties when the temporary plasticizer was reintroduced in the formulation.