According to a fourth aspect, the disclosure provides for use of a composite material in an EMI shield article remarkable in that composite material is according to the first aspect and/or produced according to the second aspect. With preference, the EMI shield article is a panel and has a thickness ranging from 1.0 to 2.0 mm.
DESCRIPTION OF THE FIGURES
FIG. 1 is the scheme of the coaxial cell used to measure shielding in the 0.1 MHz-8 GHz frequency range.
FIG. 2: Shielding as a function of the incident wave frequency for PP composites—Silver glass fibres at 5 vol. % of fibres, with and without stearic acid. Thickness 1 mm.
FIG. 3: Shielding as a function of the incident wave frequency for PP composites—Silver glass fibres at 20 vol. % of fibres, with and without stearic acid. Thickness 1 mm.
FIG. 4: Shielding as a function of the incident wave frequency for PP composites—silver glass fibres at 10 vol. % of fibres, with and without stearic acid (2 or 4 vol. %). The upper continuous curve is a composite with 2 vol. % stearic acid produced in a mixer at 100 rpm instead of 50 rpm. Thickness 1 mm.
FIG. 5 is the shielding based on the amount of stearic acid for PP—silver glass fibers vol. % composites at two different incident wave frequencies. Thickness 1 mm.
FIG. 6 is the shielding as a function of the incident wave frequency for PP composites—silver glass fibers at 15 vol. % of fibers, with different concentrations of stearic acid. Thickness 1 mm
