Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effect of Few-layer Graphene on the Complex of Hardness, Strength and Thermo Physical Properties of Polymer Composite Materials Produced by DLP 3D Printing

Sergey Kidalov
* ORCID logo ,
Alexander Voznyakovskii
ORCID logo ,
Aleksei Vozniakovskii
ORCID logo ,
Sofya Titova
,
Yvgenii Auchynnikau
Version 1 : Received: 15 December 2022 / Approved: 16 December 2022 / Online: 16 December 2022 (14:26:14 CET)

A peer-reviewed article of this Preprint also exists.

Kidalov, S.; Voznyakovskii, A.; Vozniakovskii, A.; Titova, S.; Auchynnikau, Y. The Effect of Few-Layer Graphene on the Complex of Hardness, Strength, and Thermo Physical Properties of Polymer Composite Materials Produced by Digital Light Processing (DLP) 3D Printing. Materials 2023, 16, 1157. Kidalov, S.; Voznyakovskii, A.; Vozniakovskii, A.; Titova, S.; Auchynnikau, Y. The Effect of Few-Layer Graphene on the Complex of Hardness, Strength, and Thermo Physical Properties of Polymer Composite Materials Produced by Digital Light Processing (DLP) 3D Printing. Materials 2023, 16, 1157.

Abstract

The results of studying the effect of particles of few-layer graphene (FLG) synthesized by self-propagating high-temperature synthesis (SHS) on the complex of strength and thermo physical properties of polymer composite products obtained by DLP 3D printing are presented. It has been discovered to achieve an increase in thermo physical and strength parameters of polymers modified by FLG compared with samples made on the unmodified base resin. This result was achieved due to low defectiveness, namely the absence of Stone-Wales defects in the structure of FLG due to the homogeneous distribution of FLG over the volume of the polymer in the form of highly dispersed aggregates. It was possible to increase hardness by 120 %, bending strength by 102 %, Charpy impact strength by 205 %, and thermal conductivity at 25 °C by 572 % at concentrations of few-layer graphene of no more than 2 wt. %.

Keywords

photopolymer resin; few-layer graphene; FLG; DLP; 3D printing; hardness; bending strength; charpy impact strength; thermal conductivity

Subject

Chemistry and Materials Science, Polymers and Plastics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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