Thermal evaluation of In-situ synthesized poly Styrene-co-Butyl Acrylatenanoparticles loaded with Carbon Black Using thermogravimetric analysis

Thermogravimetric analysis (TGA) has been recognized as a simple and reliable analytical toolfor the characterization of composite pigmented powders. Thermal properties of Carbon Blackpoly(Styrene-co-Butyl Acrylate) depend on many parameters such as material composition andmaterial nature. therefore it is important to explore the influence of these parameters. This paperpresents a comprehensive TGA study to determine the influence of differentthree key materials including Styrene (St) and Butyl Acrylate (BA) monomer compositions, CarbonBlack (CB) pigment concentration, and Sodium dodecyl sulfate (SDS) surfactant dosage of ۱۵composite samples on thermal parameters namely initial, terminal and maximum thermal degradationtemperature. thermal degradation temperature values of copolymers derived from the TGA-DTGcurves peaks of these materials initiates from ۳۱۰˚C and terminates at ۴۱۰˚C and followed by CarbonBlack (above ۵۰۰˚C). The change routes of Tmax values were investigated by a response surfacemethodology (RSM). The non-linear relationship between the Tmax values and the materialparameters is confirmed in this study. The results endow the use of the TGA technique with moreconfidence to evaluate the thermal properties of powder-pigmented composite materials a simplediagnostic tool for improvement of their quality.

کلیدواژه ها:

Composite materials ، Thermogravimetric analysis ، Degradation ، Response SurfaceMethodology