Abstract
SEM micrographs of carbon black polymer composites have been analysed in terms of their fractal geometry. Acetylene black/ethylene butylacrylate copolymer samples have a fractal dimension of about 1.8 at low filler concentrations that increases to 2.1 at high concentrations. The numerical values indicate a cross-over from diffusion limited cluster aggregation (DLCA) to reaction limited cluster aggregation (RLCA). Furnace black/EPDM composites have a fractal dimension of 1.9 at low concentrations and of 2.4 at higher filler fraction. We believe that in this case the increase in fractal dimension is only apparent and due to interpenetration. Possible connections between fractal geometry (fractal dimension and correlation length) and electrical conductivity are discussed. No clear connection could be determined.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
