Enhancement of nuclear radiation shielding properties of silicone rubber with γ-ray irradiation induced graphene oxide modified carbonyl iron powder hybrid fillers

被引：3
|
作者：
Sun, Xiaoyi [1 ]
Meng, Xianfang [2 ]
Dai, Pei [1 ,2 ,3 ]
Xu, Riwei [1 ]
Cheng, Anren [2 ]
Guo, Yueying [2 ]
Jiao, Yang [2 ]
Lu, Yongjun [2 ]
Wang, Liancai [2 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing, Peoples R China
[2] Beijing Res Ctr Radiat Applicat, Beijing Key Lab Radiat Adv Mat, Beijing, Peoples R China
[3] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2023年 / 140卷 / 36期
基金：
中国国家自然科学基金;
关键词：
carbonyl iron; graphene oxide; shield; silicone rubber; & gamma; -ray irradiation; DESIGN; ENERGY; ROBOT;
D O I：
10.1002/app.54363
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this study the graphene oxide modified carbonyl iron (GO-CI) was prepared by ?-ray irradiation, which was added to silicone rubber composites to enhance the nuclear radiation shielding performances. X-ray diffraction (XRD) characterization result showed the structure and morphology of the obtained GO-CI nanocomposites. The mixture of GO/CI and the hybrid GO-CI were individually incorporated into the vinyl-terminated polydimethylsiloxane (Vi-PDMS) to prepare referenced SR/GO/CI and SR/GO-CI composites. Compared with SR/GO/CI, the SR/GO-CI exhibited better thermal conduction and mechanical recovery properties. Moreover, the ?-ray radiation shielding ability of SR/GO-CI is much higher than that of pristine SR/GO/CI. CI particles are coated by GO nanosheets to increase surface area to prevent sedimentation of CI. It implies that SR-GO/CI composite would have potential application as the radiation hardening material with thermal conductive and nuclear radiation shielding function.
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页数：11
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