3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties

Maalihan, Reymark D.; Pajarito, Bryan B.; Advincula, Rigoberto C.

doi:10.1016/j.matpr.2020.05.063

3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties

Journal Article · Tue Dec 31 23:00:00 EST 2019 · Materials Today: Proceedings

DOI:https://doi.org/10.1016/j.matpr.2020.05.063· OSTI ID:1811386

^[1]; Pajarito, Bryan B. ^[2]; Advincula, Rigoberto C. ^[3]

University of the Philippines Diliman, Quezon City (Philippines); Batangas State University, Batangas City (Philippines); Case Western Reserve Univ., Cleveland, OH (United States)
University of the Philippines Diliman, Quezon City (Philippines)
Case Western Reserve Univ., Cleveland, OH (United States)

We report on the mechanical and thermal properties of stereolithography (SLA) 3D-printed methacrylate (MA) resin reinforced by chitin nanowhiskers (CNWs). CNWs were synthesized by acid hydrolysis of crab shell chitin and nanocomposites with 0 wt%, 0.5 wt%, 1.0 wt%, and 1.5 wt% CNWs loading were prepared by slurry compounding method. The obtained CNWs (diameter = 23 ± 5 nm, length = 253 ± 100 nm, and aspect ratio = 11 ± 3) are well dispersed within the bulk of MA at 1.0 wt% loading, implying good interfacial adhesion between the nanofiller and the resin matrix possibly due to hydrogen bonding interactions. The addition of up to 1.0 wt% CNWs to neat MA enhances the tensile strength, strain at break, modulus, and maximum thermal degradation temperatures of the nanocomposites. Moreover, the incorporation of CNWs not only improves the mechanical and thermal properties, but also preserves the excellent resolution and accuracy of 3D-printed MA/CNWs nanocomposites.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE; Department of Science and Technology (Philippines)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 1811386

Journal Information:: Materials Today: Proceedings, Journal Name: Materials Today: Proceedings Journal Issue: 4 Vol. 33; ISSN 2214-7853

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
3D-printing
Chitin nanowhisker
Methacrylate
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Slurry compounding
Stereolithography

3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties

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