@article{ART001307168},
author={Myung-Soo Kim and Quanli Hu},
title={Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials},
journal={Carbon Letters},
issn={1976-4251},
year={2008},
volume={9},
number={4},
pages={298-302}
TY - JOUR
AU - Myung-Soo Kim
AU - Quanli Hu
TI - Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials
JO - Carbon Letters
PY - 2008
VL - 9
IS - 4
PB - Korean Carbon Society
SP - 298
EP - 302
SN - 1976-4251
AB - Carbon blacks could be used as the filler for the electromagnetic interference (EMI) shielding. The poly vinyl alcohol
(PVA) and polyvinylidene fluoride (PVDF) were used as the matrix for the carbon black fillers. Porous carbon blacks were
prepared by CO2 activation. The activation was performed by treating the carbon blacks in CO2 to different degrees of burnoff.
During the activation, the enlargement of pore diameters, and development of microporous and mesoporous structures
were introduced in the carbon blacks, resulting in an increase of extremely large specific surface areas. The porosity of carbon
blacks was an increasing function of the degree of burn-off. The surface area increased from 80 m2/g to 1142 m2/g and the
total pore volume increased from 0.14073 cc · g−1 to 0.9343 cc · g−1. Also, the C=O functional group characterized by
aldehydes, ketones, carboxylic acids and esters was enhanced during the activation process. The EMI shielding effectiveness
(SE) of raw N330 carbon blacks filled with PVA was about 1 dB and those of the activated carbon blacks increased to the
values between 6 and 9 dB. The EMI SE of raw N330 carbon blacks filled with PVDF was about 7 dB and the EMI SE
increased to the range from 11 to 15 dB by the activation
KW - Electromagnetic interference shielding;Carbon black;CO2 activation;Poly vinyl alcohol;Polyvinylidene fluoride
DO -
UR -
ER -
Myung-Soo Kim and Quanli Hu. (2008). Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials. Carbon Letters, 9(4), 298-302.
Myung-Soo Kim and Quanli Hu. 2008, "Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials", Carbon Letters, vol.9, no.4 pp.298-302.
Myung-Soo Kim, Quanli Hu "Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials" Carbon Letters 9.4 pp.298-302 (2008) : 298.
Myung-Soo Kim, Quanli Hu. Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials. 2008; 9(4), 298-302.
Myung-Soo Kim and Quanli Hu. "Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials" Carbon Letters 9, no.4 (2008) : 298-302.
Myung-Soo Kim; Quanli Hu. Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials. Carbon Letters, 9(4), 298-302.
Myung-Soo Kim; Quanli Hu. Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials. Carbon Letters. 2008; 9(4) 298-302.
Myung-Soo Kim, Quanli Hu. Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials. 2008; 9(4), 298-302.
Myung-Soo Kim and Quanli Hu. "Electromagnetic Interference Shielding Properties of CO2 Activated Carbon Black Filled Polymer Coating Materials" Carbon Letters 9, no.4 (2008) : 298-302.
