Preparation of flexible rubber composites with high contents of tungsten powders for gamma radiation shielding
Xiang‐Rong Xu, Junqing Wu, Xu Jian, Feng Liu, An Xie, Junliang Liu, Ming Zhang
Abstract
摘要 为了制备具有良好γ射线屏蔽性能和优良力学性能的钨/橡胶复合材料, 采用复合表面改性剂对钨粉进行表面改性。在适当的复合表面改性剂用量下, 钨颗粒的分散性得到细化, 钨颗粒与橡胶分子链的相互作用增强, 其最佳拉伸强度接近6.07 MPa, 是未经表面改性的1.72倍。综合的橡胶复合材料的γ射线屏蔽率为45.2%, 厚度约为10 mm。综合的橡胶复合材料可以满足防护服的要求。
Topics & Concepts
Materials scienceElectromagnetic shieldingRadiation shieldingComposite materialTungstenNatural rubberRadiationMetallurgyNuclear physicsPhysicsRadiation Shielding Materials AnalysisGraphite, nuclear technology, radiation studiesNuclear materials and radiation effects