60Co-γ射线辐照对竹纤维结构及其吸水性能的影响  

Effect of 60Co-γRay on Structure and Absorption Performance of Bamboo Fiber

作　　者：陈祖琴[1] 杨瑶君[2] 黎青[1] 彭宇 耿丹丹 黄文丽[1] Chen Zuqin;Yang Yaojun;Li Qing;Peng Yu;Geng Dandan;Huang Wenli(Sichuan Biotechnology Institute of Nuclear Technology of Agricultural Sciences, Chengdu 610061;Leshan Normal University, Leshan 614000)

机构地区：[1]四川省农业科学院生物技术核技术研究所,成都610061 [2]乐山师范学院,乐山614000

出　　处：《湖北林业科技》2020年第6期18-22,59,共6页Hubei Forestry Science and Technology

基　　金：四川省应用基础项目(2018JY0051)。

摘　　要：为了探究60Co-γ射线对竹纤维的影响,以慈竹为试验材料,研究不同辐照剂量处理对慈竹纤维结构及吸水性能的影响。通过失重率的测定和扫描电镜(SEM)、傅立叶红外光谱(FT-IR)、广角X射线衍射(XRD)等分析方法,研究了辐照剂量对竹纤维结构的影响。结果表明:经辐照后的竹粉失重率由33.3%升高到54.0%;SEM发现辐照剂量为50 kGy时,竹纤维上出现有降解迹象的小孔。FI-RT和XRD结果显示辐照并未改变竹纤维结构,竹纤维结晶度随辐照剂量升高呈先升高后降低的趋势变化;随着辐照剂量增加,竹纤维的吸水和吸盐水率先降低后升高。本研究结果为竹纤维辐照应用提供理论基础。In order to investigate the effect of 60Co-γray on bamboo fiber,the effect of different irradiation dose treatment on the structure and water absorption of Cizhu fiber was studied.The effects of irradiation dose on bamboo fiber structure were studied by measuring the weight loss rate and scanning electron microscopy(SEM),fourier transform infrared spectroscopy(FT-IR)and wide-angle X-ray diffraction(XRD).The results showed that the weight loss rate of bamboo powder after irradiation increased from 33.3%to 54.0%;when the irradiation dose was 50 kGy,the small holes with signs of degradation appeared on the bamboo fiber.The results of FT-IR and XRD showed that the irradiation did not change the bamboo fiber structure.The crystallinity of bamboo fiber increased first and then decreased with the increase of irradiation dose.With the increase of irradiation dose,the absorption and absorption of bamboo fiber decreased first then rising.The results of this study provide a theoretical basis for the application of bamboo fiber irradiation.

关 键 词：60Co-γ射线 辐照 竹纤维 傅立叶红外光谱 广角X射线衍射 

分 类 号：TS1[轻工技术与工程—纺织科学与工程]