Molecular weight changes in γ-irradiated polyethylene containing antioxidants
✍ Scribed by D. Babic; O. Gal; V.T. Stannett
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 245 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0146-5724
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Recently, ␥-irradiation of ultrahigh molecular weight polyethylene (UHMWPE) to high doses such as 1 MGy was shown by Oonishi et al. to be very effective in improving the wear resistance of UHMWPE. The present work was undertaken to characterize the UHMWPE irradiated with ␥-rays and electron beams to
## Abstract The interaction between oxidation and crosslinking in gamma‐irradiated ultrahigh molecular‐weight polyethylene with and without artificial aging was studied. The effect of the atmosphere during irradiation (air vs. low oxygen) occurred primarily within about 0.5 mm of the surface, that