Journal of Coatings Technology and Research

, Volume 4, Issue 4, pp 505–510 | Cite as

Photopolymers for rapid prototyping

  • R. Liska
  • M. Schuster
  • R. Inführ
  • C. Turecek
  • C. Fritscher
  • B. Seidl
  • V. Schmidt
  • L. Kuna
  • A. Haase
  • F. Varga
  • H. Lichtenegger
  • J. Stampfl
Brief Communication
First Online:

Abstract

Rapid prototyping by means of stereolithography using different types of photopolymers has gained increasing interest because cellular structures can be built at a high resolution with sub-μm feature sizes. Structures made with digital light processing and microstereolithography and rapid prototyping based on two-photon absorption photopolymerization techniques are presented. Soluble photopolymers were developed to substitute crosslinked photopolymers as mold materials and to extend the variety of materials which can be cast. With these molds, the processing of ‘bio-inspired’ ceramic composites with a controlled architecture from a macroscopic scale down to the nanometer range is possible. Another example is the development of biophotopolymers that are based on commercially available reactive diluents and modified gelatin for the fabrication of cellular bone replacement materials. Biocompatibility was investigated by seeding with osteoblast-like cells.

Keywords

Photopolymers Rapid prototyping Biophotopolymers Digital light processing Microstereolithography Two-photon polymerization 
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Notes

Acknowledgments

UDMA was provided by Ivoclar Vivadent AG, and photoinitiators were from Ciba Specialty Chemicals. The financial support was provided by the ‘Austrian Nano Initiative’ under contract No. N-703 and it and the TU innovative project ‘3D-Microfab’ are kindly acknowledged. H. Lichtenegger thanks the Austrian Science Fund (FWF) for their financial support under contract No. T190. R. Liska thanks the FWF for financial support (P18623-N17).

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Copyright information

© FSCT and OCCA 2007

Authors and Affiliations

  • R. Liska
    • 1
  • M. Schuster
    • 1
  • R. Inführ
    • 2
  • C. Turecek
    • 3
  • C. Fritscher
    • 2
  • B. Seidl
    • 1
  • V. Schmidt
    • 4
  • L. Kuna
    • 4
  • A. Haase
    • 4
  • F. Varga
    • 3
  • H. Lichtenegger
    • 2
  • J. Stampfl
    • 2
  1. 1.Institute of Applied Synthetic ChemistryVienna University of TechnologyViennaAustria
  2. 2.Institute of Materials Science and TechnologyVienna University of TechnologyViennaAustria
  3. 3.Ludwig Boltzmann Institute of OsteologyHanusch-KrankenhausViennaAustria
  4. 4.Institute of Nanostructured Materials and PhotonicsJoanneum ResearchWeizAustria

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