聚四氟乙烯基离子交换纤维及其对Pb^(2+)、Cu^(2+)吸附性能研究

Polytetrafluoroethylene ion exchange fibers and its absorption properties of Pb^(2+) and Cu^(2+)

以聚四氟乙烯(PTFE)纤维为基体,通过辐射引发与丙烯酸接枝制备弱酸性阳离子交换纤维,研究了不同接枝率纤维在不同pH值条件下对重金属离子Pb2+、Cu2+的吸附性能,并探讨了该材料的热稳定性.结果表明:该纤维对Pb2+、Cu2+具有良好的吸附性能,热稳定性能良好.

A novel cation exchange fiber was prepared by irradiation grafting of acrylic acid at the surface of PTFE fiber. This novel grafted PTFE fibers which have different grafting degrees are used to remove Pb^(2+) and Cu^(2+)at different pH conditions, and its thermal stability is probed. The results indicate that this novel grafted ion exchange fiber has good absorption property of Pb^(2+) and Cu^(2+) and excellent thermal stability.