Abstract
Abstract Several attempts have been made to produce a plastic scintillator based on epoxy resins instead of styrene or vinyl toluene. The advantages of such a system are many. The shrinkage on polymerization would be an order of magnitude less than styrene. Combined with low vapor pressure and a smaller exotherm, this would mean that scintillators could be easily cast into complex and readily reproducible shapes. Since the epoxies are cross-linked systems, such a scintillator would have greater dimensional stability, greater resistance to high temperature and to chemical or solvent attack, and essentially no tendency to stress crack or surface craze. It might be possible to operate such scintillators directly immersed in strong solvents, which could be very advantageous in many chemical and biological experiments. In addition, epoxy resins systems can be easily tailored for special applications by the addition of modifying agents such as flexibilizers.
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