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Defect-resistant plastic scintillators with aliphatic additives

Patent ·
OSTI ID:2222167
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A plastic scintillator includes a polymer matrix, an aliphatic additive present in the polymer matrix in an effective amount to impart fog resistance to the plastic scintillator, and at least one fluorescent dye in the polymer matrix, the dye being effective to provide scintillation upon exposure to radiation. The effective amount of the aliphatic additive is in a range of greater than 0 weight percent up to 5 weight percent relative to the total weight of the plastic scintillator. Moreover, the aliphatic additive has a structure comprising up to 300 repeat units.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Sandia National Laboratories (SNL-CA), Livermore, CA (United States); Ludlum Measurements, Inc., Sweetwater, TX (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA); Ludlum Measurements, Inc. (Sweetwater, TX); National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
11,725,137
Application Number:
17/244,805
OSTI ID:
2222167
Country of Publication:
United States
Language:
English

References (4)

Effects of temporary fogging and defogging in plastic scintillators
  • Loyd, Matthew; Pianassola, Matheus; Hurlbut, Charles
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 922 https://doi.org/10.1016/j.nima.2018.12.087
journal April 2019
Investigations of degradation and encapsulation of plastic scintillator
  • Kouzes, Richard T.; Cho, Herman M.; Cowles, Christian C.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 954 https://doi.org/10.1016/j.nima.2019.01.018
journal February 2020
Fogging in Polyvinyl Toluene Scintillators journal February 2015
Crosslinked plastic scintillators: A new detection system for radioactivity measurement in organic and aggressive media journal December 2014

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