The oxidation of irradiated polyethylene—I radio-oxidation
✍ Scribed by R.M. Black; A. Charlesby
- Publisher
- Elsevier Science
- Year
- 1959
- Weight
- 664 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0020-708X
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📜 SIMILAR VOLUMES
Following gamma irradiation in air which causes bond scission and yields large concentrations of peroxy radicals, maximum oxidation and an increase in crystallinity occurs on the surface of ultrahigh molecular weight polyethylene. Here, bimolecular reactions of peroxy radicals generate carbonyls, mo
Ultrahigh molecular weight polyethylene (UHMWPE), the current polymer of choice in orthopedic prosthetic devices, is typically sterilized by exposure to Co-60 gamma irradiation prior to packaging for long-term storage. However, the exposure to Co-60 irradiation generates free radicals along the poly