Some investigations on hybrid 3D printed PVDF-based functional prototypes

Some investigations on hybrid 3D printed PVDF-based functional prototypes

In the past decade, the polyvinylidene fluoride (PVDF) based composites processed by fused filament fabrication (FFF) and gel-printing routes have been widely used in various applications such as consumer products, pressure sensing, biomedical scaffolds, etc. But hitherto, little has been reported o...

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Bibliographic Details
Main Authors: Vinay Kumar, Gurwinder Singh, Minhaz Husain, Ranvijay Kumar, Harnarayan Meena, Rupinder Singh, MSJ Hashmi
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:Next Materials
Subjects:
Polyvinylidene fluoride
Gel printing, hybrid structure
Dielectric constant
Morphological analysis
Online Access:http://www.sciencedirect.com/science/article/pii/S2949822825003867
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Summary:In the past decade, the polyvinylidene fluoride (PVDF) based composites processed by fused filament fabrication (FFF) and gel-printing routes have been widely used in various applications such as consumer products, pressure sensing, biomedical scaffolds, etc. But hitherto, little has been reported on the fabrication of hybrid 3D-printed functional prototypes involving FFF and gel-printing processes. This study reports investigations on hybrid (gel+FFF) 3D-printed functional prototypes of primary (1°) recycled PVDF for biomedical scaffolding applications. The comparison of the functional prototypes based on mechanical (tensile), thermal (differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA)), bond characteristics (Fourier transform infrared spectroscopy (FTIR)), dielectric constant (εr), morphological properties (scanning electron microscopy (SEM), surface roughness (Ra), amplitude distribution function (ADF), bearing ratio curve (BRC), peak count (PC), and 3D rendered image), and voltage-current (V-I) analysis has been presented. The results obtained for mechanical properties outlined that the hybrid 3D printed PVDF-based functional prototypes have an acceptable Young's modulus (E) of 338.48 ± 2.10 MPa. Also, the DSC, TGA, FTIR, and dielectric behaviour analysis indicated comparatively good thermal properties (heat capacity of 14.58 J/g and stable thermal degradation with 29.25 % residue), εr of 2.91 in the hybrid printed functional prototypes.
ISSN:2949-8228

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