期刊论文

Tang, Q.

中文

核电子学与探测技术

0258-0934

2016

36

2

189-192

10.3969/j.issn.0258-0934.2016.02.017

国家自然科学基金（11275094）资助； 中国科学院战略性先导科技专项资金（XDA10010500）资助；

本校为第一且通讯机构

为向江门中微子实验用膜的选择提供参考，研究了一种测定氡在聚合物膜中渗透系数的方法，设计加工出可利用闪烁液进行采样的膜渗透采样装置，并测量了不同类型聚合物膜的渗透系数。实验结果表明：膜渗透采样装置的本底及密闭性符合实验要求；聚合物膜表面氡析出达到稳定状态至少需要18 d；PVC膜的氡渗透系数最低。

To provide a reference for selection of polymer films in Jiangmen neutrino experiments, a method for measuring the permeability of radon through polymer films has been developed. A device based on the measurement of liquid scintillationhas also been produced, and various polymefoilsof the radon diffusion coefficient were tested. The results show that: the background and air impermeability of the device mainly accorded the prospective desire; it takes at least 18 days for polymer films after establishing stationary radon diffusion through the sa...