Ultrafine Magnetite Nanopowder: Synthesis, Characterization, and Preliminary Use as Filler of Polymethylmethacrylate Nanocomposites

Table 1

Thermal parameters of PMMA-based materials (𝐻_max: DTG peak height; FWMH: full width at medium height of DTG peak).

Material	𝑇−5% (^°C)	𝑇peak DTG (^°C)	𝐻max	FWMH (^°C)
Neat extruded PMMA	355.2±0.5	379.1±0.7	45	42
PMMA/1 wt% Fe3O4 (C)	357.8±1.2	397.4±0.9	38	46
PMMA/3 wt% Fe3O4 (C)	358.8±0.7	393.8±0.6	41	45
PMMA/1 wt% Fe3O4 (S)	358.1±0.8	395.1±0.3	38	47
PMMA/3 wt% Fe3O4 (S)	359.4±0.7	395.5±0.4	38	48