Development of a Glycerol Based Polymer for Additive Manufacturing

This paper presents a proposal to synthetize a thermoplastic polymer from glycerol designed to be used as feedstock for additive manufacturing (AM) based on the material extrusion (ME) principle. A first round of synthesis was carried out considering different variables to search a thermoplastic sol...

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Bibliographic Details
Published in:Waste and biomass valorization 2019-10, Vol.10 (10), p.3115-3124
Main Authors: Olanyk, L. Z., Volpato, N., Rosa, M. R.
Format: Article
Language:English
Subjects:
Additive manufacturing
Additives
Amorphous materials
Catalysts
Engineering
Environment
Environmental Engineering/Biotechnology
Extrusion
Feasibility studies
Glass transition temperature
Glycerol
Industrial Pollution Prevention
Infrared analysis
Manufacturing
Original Paper
Polymers
Raw materials
Reaction time
Renewable and Green Energy
Renewable resources
Spectrometry
Synthesis
Technology
Thermogravimetric analysis
Transition temperatures
Waste Management/Waste Technology
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Summary:This paper presents a proposal to synthetize a thermoplastic polymer from glycerol designed to be used as feedstock for additive manufacturing (AM) based on the material extrusion (ME) principle. A first round of synthesis was carried out considering different variables to search a thermoplastic solid without stickiness. After the evaluation of some AM–ME basic requirements, two other synthesis groups (the second and third rounds) were prepared to verify a proper catalyst amount and reaction time. These trial samples were characterized by infrared spectrometry and thermogravimetric analysis. The material obtained which was considered the most suitable showed an amorphous structure and a glass transition slightly below room temperature. In the end, this polymer was used as feedstock to print basic geometric specimens and evaluate both filament and layer adhesion. The result suggests the feasibility to synthetize a thermoplastic polymer from glycerol for AM–ME technology. The polymer obtained from the renewable resource has the potential to become an option for this technology. However, further studies considering additives are required to improve the polymer properties, starting by increasing its glass transition temperature. In summary, the polymer obtained from the renewable resource has the potential to become an option for AM–ME technology.
ISSN:1877-2641
1877-265X
DOI:10.1007/s12649-018-0285-y