4.4 Article

Blended polyethylene terephthalate and polyethylene naphthalate polymers for scintillation base substrates

Journal

RADIATION MEASUREMENTS
Volume 59, Issue -, Pages 172-175

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radmeas.2013.06.006

Keywords

Polymer blend; Polyethylene terephthalate; Polyethylene naphthalate; Scintillation material; Fluorescence molecule

Funding

  1. Kyoto University Research Reactor Institute
  2. National Institute of Radiological Sciences
  3. Teijin Ltd
  4. KUR Research Program for the Scientific Basis of Nuclear Safety

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Polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) are both good candidates for use as scintillation base substrates. One advantage is their relatively high density of 1.33 g cm(-3). To enhance their relative strengths and to mitigate their weaknesses, we blended PET and PEN 1:1 by weight and found that the overall characteristics are improved. The wavelength at maximum emission was 415 nm, the refractive index was 1.61, and the light yield was 0.85 times that of PEN. These results increase the available options for base materials to be used as scintillators. (C) 2013 Elsevier Ltd. All rights reserved.

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