The local transformations of the chemical structure induced in low density polyethylene (LDPE) by irradiation with various ions of different characteristics are investigated by using microFT-IR system. On irradiation with heavier ions than H+, the remarkable LET effect is found in the transformation of the trans-vinylene and the end-vinyl groups. This can not be found on irradiation with H+ or γ-rays. Moreover, it is suggested that in calculation of the stopping power it is important to consider not only the energy of the injected ion, but also the charge.
Research on Chemical Intermediates – Springer Journals
Published: Jul 1, 2001
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