Diallyl phthalate resin and its copolymers containing allyl diglycol carbonate as nuclear track detectors

Add time:07/26/2019    Source:sciencedirect.com

Diallyl phthalate (DAP) and allyl diglycol carbonate (CR-39), and mixtures of DAP and CR-39 were cast into plates under the same polymerizing conditions. The plates were irradiated with alpha-particles, fission fragments or fast neutrons. After etching, enlarged tracks on the plates were observed and counted using an optical microscope. Pure DAP plate was found to have high detection efficiency for fission fragments, but to be insensitive to alpha-particles and fast neutrons. This characteristic was suitable for detecting fission fragments. On the other hand, pure CR-39 plate was convenient for the detection of alpha-particles and fast neutrons because of high detection efficiency and sensitivity, and short etching time. The copolymers of DAP and CR-39 showed intermediate characteristics. The fabrication of the copolymers made it possible to control the discrimination level for the detection of heavy charged particles.

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