Influence of Multi-Walled Carbon Nanotube Modified Carbon Fiber Material Prepared by Electrophoretic Deposition on the Properties of Chlorobutyl Rubber/Natural Rubber Composite Materials

Abstract

Electrophoretic deposition (EPD) is a direct current field that enables the deposition of carbon nanotube (CNT) suspensions onto the surface of carbon fibers (CFs). In this study, CFs were modified using EPD to attach multi-walled carbon nanotubes (MWCNTs) onto their surface. The CF@MWCNTs hybrid material was then applied to chlorobutyl rubber/natural rubber (CR/NR) composite materials. The microstructure of the materials was characterized using scanning electron microscopy (SEM). Mechanical property tests were conducted on the composite materials, and the results showed significant improvements compared to composites without the reinforcing agent. The tensile strength, hardness, and thermal conductivity of the composite materials were enhanced, with the thermal conductivity increasing by 33.7%. Additionally, the curing time was reduced by 11.37%, improving the curing efficiency. This provides a method for designing functional polymer composite materials.