摘要
采用γ-射线辐照技术对PBO纤维表面进行接枝改性处理,通过X-射线光电子能谱(XPS)和氢核磁共振(1H NMR)方法对接枝改性效果进行了表征和研究.结果表明,γ-射线辐照使PBO纤维表面聚合物与辐照介质-环氧氯丙烷之间发生了化学接枝反应,接枝反应将极性官能团C-Cl,COOH和C-NH2引入PBO纤维表面,增加了纤维表面化学活性,改善了纤维表面化学惰性.
PBO fiber surface was graft-modified using γ-ray irradiation technology. The modified result was analyzed and studied by X-ray photoelectron spectroscopy （XPS） and I H nuclear magnetism resonance （1H NMR） test. The results indicated that the grafting reaction between PBO fiber surface and the irradiation medium-epichlorohydrin was produced by the irradiation, and some polar groups such as C - C1, COOH, C - NH2 were introduced on the PBO fiber surface. Hence, the fiber surface chemical activity was increased.
出处
《材料科学与工艺》
EI
CAS
CSCD
北大核心
2007年第3期305-308,共4页
Materials Science and Technology
基金
国家高技术研究发展计划资助项目(2002AA305109)
关键词
PBO纤维
γ-射线辐照
表面改性
接枝反应
改性机理
PBO fiber
γ-ray irradiation
surface modification
grafting reaction
modification mechanism
