کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10136957 1645696 2018 32 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Radiochromic film containing poly(hexa-2,4-diynylene adipate) as a radiation dosimeter
ترجمه فارسی عنوان
فیلم رادیو کرومیک حاوی پلی (هگزا-2،4-دیینیلن آدیتات) به عنوان یک دزیمتر تابش
کلمات کلیدی
فیلم رادیوکرومیک، پلیمریزاسیون تابش، دوزیمتری، دیاستیلن پلی استر،
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم تشعشع
چکیده انگلیسی
A radiation-sensitive polymer poly(hexa-2,4-diynylene adipate) (PHDA) was synthesized and incorporated into polyvinyl butyral films for radiation dose measurements in the 0.5 - 60 kGy range. PHDA undergoes crosslinking polymerization upon exposure to γ-rays, which changes its color from very pale yellow to deep orange-yellow. The color change is directly related to the absorbed dose. The absorption spectrum of the irradiated films features one absorption band around 500 nm with a shoulder around 465 nm. With increasing absorbed dose, the two bands grow in intensity and move towards higher wavelengths. The dosimeter is nearly insensitive to variations of the humidity in the range of 0-54% and temperature in the range of 30-45 °C during irradiation. The color intensifies after irradiation, both in the dark and in the light at room temperature, which reflects the continuing crosslinking polymerization. However, at − 4 °C, the color intensity does not change with time.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 141, November 2018, Pages 80-87
نویسندگان
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