Design and characterisation of food grade powders and inks for microstructure control using 3D printing

Holland, Sonia and Foster, Tim and MacNaughtan, William and Tuck, Christopher (2017) Design and characterisation of food grade powders and inks for microstructure control using 3D printing. Journal of Food Engineering, 220 . pp. 12-19. ISSN 0260-8774

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Additive Manufacturing techniques have been previously applied to food materials with direct consumption in mind, as opposed to creating structural ingredients as shown in this study. First, semi-crystalline cellulose was mechanically treated by ball milling to render an amorphous powder, which has been characterised. Requirements for the subsequent recrystallization of this powder with a view to structuring have been determined through the control of moisture and thermal energy. Food inks based on xanthan gum have been formulated to enable successful jetting with a FujiFilm Dimatix ink jet printer. The polymer inks were subsequently jetted onto the amorphous cellulose powder to observe powder-binder interactions. Material combinations and parameters were optimised to produce cohesive geometric structures. The results of this study are promising when looking towards using these materials in a binder jetting additive manufacturing technique using designer particles and inks to create structures for use in food products.

Item Type: Article
Keywords: Binder jetting, Amorphous cellulose, Polysaccharides
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Biosciences > Division of Food Sciences
Identification Number:
Depositing User: Foster, Timothy
Date Deposited: 19 Jun 2017 09:53
Last Modified: 26 Jun 2018 12:40

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