Surface derivatization of poly(p-phenylene terephthalamide) fiber designed for novel separation and extraction media.
Surface derivatization of poly(p-phenylene terephthalamide) fiber designed for novel separation and extraction media.
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DOI：
10.1002/jssc.200401938
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发表时间：
2005-11
影响因子：
3.1
通讯作者：
Akira Abe;Yoshihiro Saito;M. Imaizumi;M. Ogawa;T. Takeichi;K. Jinno
中科院分区：
文献类型：
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作者：
Akira Abe;Yoshihiro Saito;M. Imaizumi;M. Ogawa;T. Takeichi;K. Jinno
研究了聚对苯二甲酸乙二胺纤维的表面衍生化反应。将得到的表面衍生化细丝装入熔融石英毛细管中，用气相色谱法评价其表面特性。作为气相色谱的固定相，表面衍生纤维对烷烃和烷基苯的保留率高于未处理的凯夫拉纤维。在苯改性纤维固定相上观察到保留力和峰形的改善。评价了衍生纤维材料作为管状纤维固相萃取的萃取介质，并比较了表面改性对萃取功率的影响。结果表明，改性后的纤维比未处理过的纤维具有更高的提取能力。根据实际情况，对纤维表面改性的成功情况进行了评价。
The surface derivatization of poly(p-phenylene terephthalamide) fiber was studied. The obtained surface-derivatized filaments were packed into a fused-silica capillary to evaluate its surface characteristics by using GC. As the stationary phase for GC the surface-derivatized fibers showed higher retention for alkanes and alkylbenzenes than that with the untreated Kevlar fiber. The improvements on the retention power and the peak shape were observed on the benzyl-modified fibrous stationary phase. The derivatized fibrous materials were also evaluated as the extraction medium in fiber-in-tube SPE, and the effect of the surface modification on the extraction power was compared to the parent fiber. The results indicated that the modified fiber possessed a higher extraction power than the untreated fiber. Based on the facts, the successful modification of the fiber surface was estimated.