医用一次性防护服材料辐照灭菌后效应研究  

Study on the Post-Irradiation Effects of Single-Use Protective Clothing for Medical Use

作　　者：王京君 李伯龙[1,2] 孙其众 张悦[1] 李浩鹏[1] 李梦媛[1] 王连才[1] 沈以凌[1] 代培 WANG Jingjun;LI Bolong;SUN QiZhong;ZHANG Yue;LI Haopeng;LI Mengyuan;WANG Liancai;SHEN Yiling;DAI Pei(Beijing Key Laboratory of Radiation Advanced Materials,Beijing Research Center for Radiation Application,Beijing 100015,China;Beijing Radiation Center,Beijing 100875,China)

机构地区：[1]辐射新材料北京市重点实验室,北京市射线应用研究中心,北京100015 [2]北京市辐射中心,北京100875

出　　处：《同位素》2021年第5期427-432,I0001,共7页Journal of Isotopes

摘　　要：为研究辐照后效应对防护服材料的影响,采用辐照方法对医用一次性防护服材料进行灭菌处理,对比辐照前、后医用一次性防护服材料的外观形貌、力学性能和液体阻隔性能的变化。结果表明,通过电子扫描显微镜观察发现,辐照并未对熔喷纤维和热熔压纹的形貌造成影响,辐照后效应对材料的抗合成血液渗透、抗水渗透和过滤效率并未造成明显影响,过滤效率仍高达99.8%;力学性能受辐照影响较大,断裂强力和断裂伸长率均显著降低。材料的关键性能指标在辐照灭菌处理后虽有下降,但满足国标GB/T 19082-2009要求,本结果可为辐照加工服务企业和防护服生产企业生产高质量的医疗防护材料提供参考。In this paper the single-use protective clothing for medical use was sterilized byγ-ray irradiation.Compared with the non-irradiated control,the apparent morphology of PP melt-blown fiber and amboss had no fracture.According to the national standard of GB/T 19082-2009,the mechanical properties,resistance to synthetic blood penetration,resistance to water penetration and filtering efficiency were measured.The results showed that the post-irradiation effects did not decrease the resistance to synthetic blood penetration or water penetration.Moreover,the filtering efficiency remained higher than 99.8%.On the other hand,the mechanical properties were reduced significantly due to the degradation of poly chain of PP induced byγ-ray irradiation.It has been assured that the important properties of single-use protective clothing for medical use are still above the quality level afterγ-ray irradiation sterilization process.which can supply reference for the produce single-use protection of clothing of medical purpose at high quality.

关 键 词：医用一次性防护服 辐照灭菌 力学性能 过滤效率 

分 类 号：TL99[核科学技术—核技术及应用] O63[理学—高分子化学]