Electromagnetic Interference Shielding and Mechanical Properties of Maleic Anhydride Functionalized MWNT and Poly (urea urethane) Nanocomposites |
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| Journal | Key Engineering Materials (Volumes 334 - 335) |
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| Volume | Advances in Composite Materials and Structures |
| Edited by | J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang |
| Pages | 789-792 |
| DOI | 10.4028/www.scientific.net/KEM.334-335.789 |
| Citation | Han Lang Wu et al., 2007, Key Engineering Materials, 334-335, 789 |
| Online since | March, 2007 |
| Authors | Han Lang Wu, Chen Chi M. Ma, Chung Hao Wang |
| Keywords | Carbon Nanotubes, EMI, Poly(urea urethane), Scanning Electron Microscope (SEM) |
| Abstract | The functionalized multiwall carbon nanotubes (MWNTs) have been prepared by free radical reaction with maleic acid and maleic anhydride. The functionalized MWNT was further blended with poly(dimethylsiloxane) (PDMS) based Poly(urea-urethane) (PUU). Both maleic acid modified MWNT (Maa-g-MWNT) and maleic anhydride modified MWNT (Mah-g-MWNT) showed enhanced dispersion compared with that of pristine MWNT and PUU.For MWNT/PUU nanocomposites containing 5 phr functionalized MWNT, the maximum microwave absorption was -19.2 dB for Maa-g-MWNT/PUU nanocomposites and was -22 dB for Mah-g-MWNT/PUU nanocomposites. |
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