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Abstract
Flexible polypyrrole composites with good dielectric properties were produced using pyrrole as a monomer by in situ polymerization on cotton fabric. The influence of the dopant type, and its concentration on the surface resistance of the composites, the real and imaginary parts of the dielectric constant, and the loss tangent were investigated. The results show that the type and concentration of dopant have a major influence on the surface resistance of the polypyrrole/cotton composite material, the real and imaginary parts of the dielectric constant, and the loss tangent. The polypyrrole/cotton composites show good performance in terms of their dielectric properties and conductivity, features which have laid the foundation for developing practical multipurpose absorbing composites.