Comparison of two antioxidants for poly(etherurethane urea) in an accelerated in vitro biodegradation system.

@article{Schubert1997ComparisonOT,
  title={Comparison of two antioxidants for poly(etherurethane urea) in an accelerated in vitro biodegradation system.},
  author={M A Schubert and Michael J. Wiggins and James M Anderson and Anne Hiltner},
  journal={Journal of biomedical materials research},
  year={1997},
  volume={34 4},
  pages={493-505}
}
Vitamin E (+/-alpha-tocopherol) was recently investigated as an antioxidant for implanted poly(etherurethane urea) (PEUU) elastomers. In that work, vitamin E prevented chemical degradation of biaxially strained PEUU up to 5 weeks implantation, and prevented pitting and cracking of the PEUU surface for the duration of the 10-week cage implant study. The promising results of the in vivo studies motivated a detailed comparison of vitamin E with Santowhite, the standard antioxidant used in PEUU… CONTINUE READING

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