Study On The Properties Of Modification Of Fabric By Grafting Aniline Microemulsion

Polyaniline was prepared by microemulsion method. Particle size analysis, differential thermal analysis, infrared spectra and electrical conductivity measurement characterized the properties and structure of polyaniline. The experimental study indicated that small polyaniline partides were prepared by microemulsion method. When low polymerization temperature or more oxidant content leaded to high electrical conductivity.Polyester fiber and acrylic fiber were treated by non-thermal plasma technology, then aniline was polymerized and partly grafted onto the surface of treated fibers in microemulsion. Mass-gain rate, electrical conductivity measurement, infrared spectrum, scanning electron microscope and ultraviolet fluorescence spectrum gained insight into factors influencing grafting polymerization and its influence on the structure and the electrical conductivity of fibers. The investigation showed that the non-thermal plasma had no effect on properties of fibers, but did a favor for grafting polymerization of yaniline latex particles. The content of polyaniline on the fibers was high by substituting ammonium persulfate with potassium dichromate. The bigger the initiator concentration was, the higher content of polyaniline on the fibers was, and the higher electrical conductivity was obtained. The mechanical performance of acrylic fiber was not affected by grafting polyaniline.