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An ESR study of free radicals formed in irradiated poly(alpha-methyl styrene) by gamma-radiation

Identifieur interne : 006329 ( Main/Exploration ); précédent : 006328; suivant : 006330

An ESR study of free radicals formed in irradiated poly(alpha-methyl styrene) by gamma-radiation

Auteurs : R. Wayne Garrett [Australie] ; David J. T. Hill [Australie] ; Tri T. Le [Australie] ; James H. O'Donnell [Australie] ; Peter J. Pomery [Australie]

Source :

Abstract

The radiolysis of poly(α-methyl styrene) with γ-radiation has been studied at 77 and 300 K by ESR spectroscopy. The radical intermediates formed at these temperatures have been identified by utilization of the techniques of photobleaching, thermal annealing and simulation. The radical yields were found to be 0.105±0.005 at 77 K and 0.05±0.003 at 298 K.


Url:
DOI: 10.1016/1359-0197(92)90044-G


Affiliations:


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