Gamma irradiation-induced modifications of polymers found in nuclear waste embedding processes. Part I: The epoxy/amine resin

详细信息	查看全文 | 推荐本文 |

• 作者：Thomas ; J.-P. ; Debré ; O. ; Nsouli ; B. ; Stevenson ; I. ; Colombini ; D. ; Romero ; M.-A.
• 刊名：Nuclear Instruments and Methods in Physics Research Section B ; Beam Interactions with Materials and Atoms
• 出版年：1997
• 期刊代码：42_0168583x
• 类别：ph
• 出版时间：August, 1997
• 卷：131
• 期：1-4
• 页码：313-320
• 文件大小：561 K

摘要

In order to simulate the effect of embedded nuclear waste of low and medium activity, an epoxy/amine DGEBA/DDM system has been irradiated by gamma-rays. Various techniques have been used for the characterization of the induced modifications, either macroscopic (DMA), or dealing with the chemical structure (FTIR, HSF-SIMS). For two different dose (50 and 900 Gy/h), in two different media (air and water) and up to 2 MGy, no significant changes can be detected except oxidation processes at the surface. This last result comes from HSF-SIMS measurements, from which other peculiarities of the thermosetting polymer are also presented and discussed.