Abstract

Abstract A survey has been made of the effects of intense gamma radiation on the physical properties of elastomers and plastics. Such information is required to determine the types of elastomers which are most resistant to radiation, to estimate the service life of elastomers exposed to radiation, and to show favorable trends in compounding for radiation resistance. Intense radiation may affect the physical properties of elastomers benficially or adversely, depending on the type of elastomer and the exposure dose, although hardening and embrittlement are most commonly observed. The possibility is apparent of developing elastomer compounds with improved radiation resistance, especially by the use of chemical agents which affect free-radical reactions. The nature of the elastomer, however, will probably severely limit what can be accomplished by compounding.

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