Journal of Textile Science and Technology

Journal of Textile Science and Technology

Creating Electrical Conductivity in Cotton and Polyester Fabrics using In-Situ Chemical Polymerization of Polypyrrole Process and Evaluating Their Functional Properties

Document Type : Research/ Original/ Regular Article

Author
Majid Sohrabi
Department of Textile Engineering, Faculty of Engineering, University of Guilan, Rasht, Iran
10.22034/jtst.2025.535467.1507
Abstract
In this study, the creation of electrical conductivity in cotton and polyester fabrics by in situ chemical polymerization using polypyrrole (PPy) was investigated. The key process factors included monomer concentration, initiator to monomer molar ratio, and dopant to monomer ratio were investigated. The results showed that under optimal conditions, the electrical surface resistance of cotton fabric decreased from the initial value in the range of 1014 ohms/square to 50 ohms/square, and in polyester fabric, this value increased from the range of 1014 ohms/square to 210 ohms/square. The effect of monomer concentration was investigated, showing that the conductivity improved significantly with increasing pyrrole concentration up to 0.1 M, but at higher concentrations such as 0.2 M, the electrical resistance increased due to particle aggregation and the formation of heterogeneous coatings. The results of statistical analysis (ANOVA) showed that the observed difference between the coated and control samples was significant at the 95% confidence level for both types of fabrics. Mechanical tests showed that the coating did not cause a significant change in the strength and elongation of the samples. Also, the washing stability test according to ISO 105-C01:1992 standard showed that the conductivity was relatively maintained after 20 washing cycles.
Keywords
Polypyrrole
Conductive Fabric
In-situ Chemical Polymerization
Surface Electrical Resistance
Subjects
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  • Receive Date 31 July 2025
  • Revise Date 04 September 2025
  • Accept Date 04 September 2025