Abstract
THE behaviour of polymethyl methacrylate (‘Perspex’) when exposed to high-energy radiation is markedly different from that of many other longchain polymers such as ‘Polythene’ and polystyrene1. These latter develop cross-links forming a thermosetting material, whereas polymethyl methacrylate shows rapid breakdown after relatively short radiation doses. The nature of the changes produced is complex, and appears to vary with the temperature as well as the radiation dose.
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References
Charlesby, A., Nature, 171, 167 (1953).
Charlesby, A., Proc. Roy. Soc., A, 215, 187 (1952).
Ross, M., and Charlesby, A., Atomics (in the press).
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CHARLESBY, A., ROSS, M. Breakdown of Methyl Methacrylate Polymer by High-Energy Radiation. Nature 171, 1153 (1953). https://doi.org/10.1038/1711153a0
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DOI: https://doi.org/10.1038/1711153a0
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