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Fig. 7

Main reagents
| Laboratory reagent | Molecular formula | Molecular weight | Specifications | Character | Manufacturer |
|---|---|---|---|---|---|
| Pyrrole | C4H5N | 67.09 | Chemically pure | Yellowish transparent oily liquid | Shanghai Kefeng Industrial Co., Ltd |
| Ammonium persulfate | (NH4)2S2O8 | 228.18 | Analytically pure | White powder | Tianjin Wind Ship Chemical Technology Co., Ltd |
| p-toluene sulfonic acid | C7H8O3S | 172.20 | Analytically pure | White crystalline | Tianjin Guangfu Fine Chemicals Institute |
Process parameters
| Doping agent (mol/L) | Mole ratio of oxidant and pyrrole | Pyrrole concentration (mol/L) | Adsorption time of pyrrole (min) | Reaction time (min) | Reaction temperature (°C) |
|---|---|---|---|---|---|
| 0.2 | 1 | 0.15 | 30 | 30 | Room temperature |
Main experimental instruments
| Instrument | Specifications | Manufacturer |
|---|---|---|
| Intelligent digital display constant temperature water bath | HH-S4 | Gongyi City Yuhua Instrument Co., Ltd, China |
| Desktop digital multimeter | 34410A | Agilent Technologies, USA |
| Field emission scanning electron microscope | S-4800 | Hitachi Ltd, Japan |
Conductivity of polypyrrole coated fabrics after washing
| Base cloth | Blended polyester/cotton | Nylon | Wool | Silk | Basalt | Aramid |
|---|---|---|---|---|---|---|
| Resistance (kΩ) | 3.8040 | 4.2074 | 5.2350 | 8.2393 | 21.592 | 31.465 |