3D printing biocompatible polyurethane/poly(lactic acid)/graphene oxide nanocomposites

Anisotropic properties

Qiyi Chen, Joey Dacula Mangadlao, Jaqueline Wallat, Al De Leon, Jonathan K. Pokorski, Rigoberto C. Advincula

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Blending thermoplastic polyurethane (TPU) with poly(lactic acid) (PLA) is a proven method to achieve a much more mechanically robust material, whereas the addition of graphene oxide (GO) is increasingly applied in polymer nanocomposites to tailor further their properties. On the other hand, additive manufacturing has high flexibility of structure design which can significantly expand the application of materials in many fields. This study demonstrates the fused deposition modeling (FDM) 3D printing of TPU/PLA/GO nanocomposites and its potential application as biocompatible materials. Nanocomposites are prepared by solvent-based mixing process and extruded into filaments for FDM printing. The addition of GO largely enhanced the mechanical property and thermal stability of the nanocomposites. Interestingly, we found that the mechanical response is highly dependent on printing orientation. Furthermore, the 3D printed nanocomposites exhibit good biocompatibility with NIH3T3 cells, indicating promise as biomaterials scaffold for tissue engineering applications.

Original languageEnglish
Pages (from-to)4015-4023
Number of pages9
JournalACS Applied Materials and Interfaces
Volume9
Issue number4
DOIs
Publication statusPublished - 2017 Feb 1
Externally publishedYes

Fingerprint

Polyurethanes
Graphite
Lactic acid
Oxides
Graphene
Printing
Nanocomposites
Biocompatible Materials
Biomaterials
Thermoplastics
3D printers
Scaffolds (biology)
Biocompatibility
Tissue engineering
Polymers
Thermodynamic stability
poly(lactic acid)
Mechanical properties

Keywords

  • Biocompatibility
  • Fused deposition modeling
  • Graphene oxide
  • Mechanical enhancement
  • Thermal stability
  • Thermoplastic polyurethane/poly(lactic acid) polymer blend

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

3D printing biocompatible polyurethane/poly(lactic acid)/graphene oxide nanocomposites : Anisotropic properties. / Chen, Qiyi; Mangadlao, Joey Dacula; Wallat, Jaqueline; De Leon, Al; Pokorski, Jonathan K.; Advincula, Rigoberto C.

In: ACS Applied Materials and Interfaces, Vol. 9, No. 4, 01.02.2017, p. 4015-4023.

Research output: Contribution to journalArticle

Chen, Qiyi ; Mangadlao, Joey Dacula ; Wallat, Jaqueline ; De Leon, Al ; Pokorski, Jonathan K. ; Advincula, Rigoberto C. / 3D printing biocompatible polyurethane/poly(lactic acid)/graphene oxide nanocomposites : Anisotropic properties. In: ACS Applied Materials and Interfaces. 2017 ; Vol. 9, No. 4. pp. 4015-4023.
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