Polypropylene/Cellulose Composites for Material Extrusion Additive Manufacturing

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Polypropylene/Cellulose Composites for Material Extrusion Additive Manufacturing. / Kaynak, Baris; Spörk, Martin; Shirole, Anuja et al.
In: Macromolecular materials and engineering, Vol. 303.2018, No. 5, 1800037, 14.04.2018.

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@article{2ba39abc25cf43368ba469f1658ac52e,
title = "Polypropylene/Cellulose Composites for Material Extrusion Additive Manufacturing",
abstract = "The preparation of polypropylene (PP)/microcrystalline cellulose (MCC) composites and their applicability for material extrusion additive manufacturing (ME-AM) is reported. MCC is modified by grafting onto its surface with different silanes, in particular perfluorooctyltriethoxysilane, n-octyltriethoxysilane (OTS), or aminopropyltriethoxysilane. The efficacy of the surface modification is confirmed by attenuated total reflectance and X-ray photoelectron spectroscopy. The affinity of the modified MCC to the polar PP matrix is investigated by direct melt-compounding, and the applicability of the resulting composites for material ME-AM is accessed by fabrication of filaments and evaluating the relevant property requirements. The surface modification of the MCC improves their dispersibility in PP and enhances the mechanical properties of the composites. Moreover, the OTS-modified MCC shows the best reinforcement, good surface finish of the filament, and flawless printability.",
author = "Baris Kaynak and Martin Sp{\"o}rk and Anuja Shirole and Wolfgang Ziegler and Janak Sapkota",
year = "2018",
month = apr,
day = "14",
doi = "10.1002/mame.201800037",
language = "English",
volume = "303.2018",
journal = "Macromolecular materials and engineering",
issn = "1438-7492",
publisher = "Wiley-VCH ",
number = "5",

}

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TY - JOUR

T1 - Polypropylene/Cellulose Composites for Material Extrusion Additive Manufacturing

AU - Kaynak, Baris

AU - Spörk, Martin

AU - Shirole, Anuja

AU - Ziegler, Wolfgang

AU - Sapkota, Janak

PY - 2018/4/14

Y1 - 2018/4/14

N2 - The preparation of polypropylene (PP)/microcrystalline cellulose (MCC) composites and their applicability for material extrusion additive manufacturing (ME-AM) is reported. MCC is modified by grafting onto its surface with different silanes, in particular perfluorooctyltriethoxysilane, n-octyltriethoxysilane (OTS), or aminopropyltriethoxysilane. The efficacy of the surface modification is confirmed by attenuated total reflectance and X-ray photoelectron spectroscopy. The affinity of the modified MCC to the polar PP matrix is investigated by direct melt-compounding, and the applicability of the resulting composites for material ME-AM is accessed by fabrication of filaments and evaluating the relevant property requirements. The surface modification of the MCC improves their dispersibility in PP and enhances the mechanical properties of the composites. Moreover, the OTS-modified MCC shows the best reinforcement, good surface finish of the filament, and flawless printability.

AB - The preparation of polypropylene (PP)/microcrystalline cellulose (MCC) composites and their applicability for material extrusion additive manufacturing (ME-AM) is reported. MCC is modified by grafting onto its surface with different silanes, in particular perfluorooctyltriethoxysilane, n-octyltriethoxysilane (OTS), or aminopropyltriethoxysilane. The efficacy of the surface modification is confirmed by attenuated total reflectance and X-ray photoelectron spectroscopy. The affinity of the modified MCC to the polar PP matrix is investigated by direct melt-compounding, and the applicability of the resulting composites for material ME-AM is accessed by fabrication of filaments and evaluating the relevant property requirements. The surface modification of the MCC improves their dispersibility in PP and enhances the mechanical properties of the composites. Moreover, the OTS-modified MCC shows the best reinforcement, good surface finish of the filament, and flawless printability.

U2 - 10.1002/mame.201800037

DO - 10.1002/mame.201800037

M3 - Article

VL - 303.2018

JO - Macromolecular materials and engineering

JF - Macromolecular materials and engineering

SN - 1438-7492

IS - 5

M1 - 1800037

ER -