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IBM Journal of Research and Development  
Volume 21, Number 2, Page 121 (1977)
Polymers
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Radiation Chemistry of Poly(methacrylates)

by H. Hiraoka
An experimental study comparing radiation-induced degradation of poly(methacrylates) from ultraviolet, gamma-ray (60Co), and electron-beam irradiation is presented. Analytical techniques used include mass spectroscopy, low-temperature electron paramagnetic resonance, and infrared spectrometry. The poly(methacrylate) polymers investigated are poly(methyl methacrylate) (PMMA), poly(t-butyl methacrylate) (PBMA), poly(methacrylic acid) (PMA), and poly(methacrylic anhydride) (PMA AN). All are shown to exhibit scission of the main chains and removal of the side groups when irradiated.
Related Subjects: Materials; Polymers