Location: Bio-oils ResearchTitle: 3D printing bio-composites with improved performance
Submitted to: American Chemical Society Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: 5/26/2022
Publication Date: 8/21/2022
Citation: Liu, Z. 2022. 3D printing bio-composites with improved performance [abstract]. American Chemical Society. Paper No. 3724392.
Technical Abstract: A 3D printing technique has been employed for processing biobased composites of polyacrylated epoxidized soybean oil (AESO) with modified ethyl cellulose macromonomer (ECM). The ECM and AESO composites cured by UV light were examined for their physical and thermal properties. Samples with different ECM and AESO weight ratios were prepared. Tensile test results showed the ECM-AESO composites had higher strength and stiffness than AESO alone. Their tensile strengths with ECM weight contents from 30 wt.% to 5 wt.% are between 11.5 MPa and 5.9 MPa and Young’s moduli are between 167 MPa and 56 MPa, compared to AESO polymer itself with 4.3 MPa and 27.4 MPa, respectively. Further, the glass transition temperatures of all ECM-AESO composites were increased from 57.4 °C to 82.2 °C, compared to AESO polymer itself with 47.1 °C. Thermal properties of the ECM-AESO composites are stable up to 325 °C. These materials may be of great environmental interest because of high amounts of agricultural resources.