Abstract
UHMWPE/PANI composite fibers were prepared by in-situ polymerization. The effects of concentration of hydrochloric acid on the electrical conductivity and surface morphology of the composite fiber were investigated, and the chemical construction and mechanical property were also studied. The results indicated that composite fibers prepared by in-situ polymerization were electrical conductive due to the conductive PANI film which adheres to the surface of matrix fibers, and the electrical conductivity reached 10-1S/cm. The roughness increased, and the electrical conductivity of UHMWPE/PANI composite fiber increased at the first and then decreased with the increase of concentration of HCl, the highest electrical conductivity obtained with the concentration of HCl of 0.7mol/L. The FTIR curves indicated that the composite fiber was a blending system of matrix fiber and PANI, and the chemical construction of matrix fiber was unchanged. The fibers breaking strength increased a little and breaking elongation unchanged basically after the conduction treatment.
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