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

Abstract

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.

Authors:
ORCiD logo [1];  [2];  [3]
  1. University of the Philippines Diliman, Quezon City (Philippines); Batangas State University, Batangas City (Philippines); Case Western Reserve Univ., Cleveland, OH (United States)
  2. University of the Philippines Diliman, Quezon City (Philippines)
  3. Case Western Reserve Univ., Cleveland, OH (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE; Department of Science and Technology (Philippines)
OSTI Identifier:
1811386
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Materials Today: Proceedings
Additional Journal Information:
Journal Volume: 33; Journal Issue: 4; Journal ID: ISSN 2214-7853
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 3D-printing; Stereolithography; Chitin nanowhisker; Methacrylate; Slurry compounding; Nanocomposites

Citation Formats

Maalihan, Reymark D., Pajarito, Bryan B., and Advincula, Rigoberto C.. 3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties. United States: N. p., 2020. Web. https://doi.org/10.1016/j.matpr.2020.05.063.
Maalihan, Reymark D., Pajarito, Bryan B., & Advincula, Rigoberto C.. 3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties. United States. https://doi.org/10.1016/j.matpr.2020.05.063
Maalihan, Reymark D., Pajarito, Bryan B., and Advincula, Rigoberto C.. Wed . "3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties". United States. https://doi.org/10.1016/j.matpr.2020.05.063. https://www.osti.gov/servlets/purl/1811386.
@article{osti_1811386,
title = {3D-printing methacrylate/chitin nanowhiskers composites via stereolithography: Mechanical and thermal properties},
author = {Maalihan, Reymark D. and Pajarito, Bryan B. and Advincula, Rigoberto C.},
abstractNote = {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.},
doi = {10.1016/j.matpr.2020.05.063},
journal = {Materials Today: Proceedings},
number = 4,
volume = 33,
place = {United States},
year = {2020},
month = {1}
}

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