Preferential positioning of γ-ray treated multi-walled carbon nanotubes in polyamide 6,6/poly(p-phenylene ether) blends

Sung Cik Mun; Mokwon Kim; Choon Soo Lee; Min Hee Lee; Younggon Son; O. Ok Park

Macromolecular Research, Vol.21, No.4, 356-361, April, 2013

DOI10.1007/s13233-013-1041-6 Export Citation

Preferential positioning of γ-ray treated multi-walled carbon nanotubes in polyamide 6,6/poly(p-phenylene ether) blends

Sung Cik Mun¹, Mokwon Kim¹, Choon Soo Lee², Min Hee Lee², Younggon Son³, and O. Ok Park^{1, 4, †}

¹Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Korea
²Corporative Research & Development Division, Hyundai-Kia Motors, Gyeonggi, 445-706, Korea
³Department of Materials Science and Engineering, Kongju National University, Chungnam, 331-717, Korea
⁴Department of Energy Systems Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, 711-873, Korea

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Morphological characteristics and electrical conductivity of polyamide 6,6/poly(p-phenylene ether)/multi-walled carbon nanotube (PA66/PPE/MWCNT) ternary nanocomposites were investigated. The MWCNTs were modified by 60Co gamma ray (γ-ray) irradiation under a dry condition and O2 atmosphere, which introduces oxygen-containing functional groups on the surfaces of the MWCNTs and thereby provides better compatibility with the hydrophilic PA66 phase. It was observed that the MWCNTs are preferentially positioned in the continuous PA66 matrix, whereas PPE domains are almost free of MWCNTs. Since PA66 consists of a continuous phase and the MWCNTs are preferentially positioned in the PA66 phase, electrical conductivity of PA66/PPE/MWCNT ternary composites is higher than that of PA66/MWCNT binary composites at the same MWCNT content. It was observed that raising the processing temperature and increasing the mixing time were effective means of improving the electrical conductivity of the composites, via enhancement of MWCNT dispersion.

Keywords:carbon nanotubes;gamma ray;surface treatment;preferential positioning

[References]

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Basavaraja C, Kim BS, Huh DS, Macromol. Res., 19(3), 233 (2011)
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[Referenced By]

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[2] Byrne MT, Gun'ko YK, Adv. Mater., 22(15), 1672 (2010)

[3] Sahoo NG, Cheng HKF, Bao H, Li L, Chan SH, Zhao J, Macromol. Res., 19(7), 660 (2011)

[4] Kim KS, Byun JH, Lee GH, Park SJ, Macromol. Res., 19(1), 14 (2011)

[5] Sun YP, Fu KF, Lin Y, Huang WJ, Acc. Chem. Res., 35, 1096 (2002)

[6] Tseng CH, Wang CC, Chen CY, Chem. Mater., 19, 308 (2007)

[7] Chou WJ, Wang CC, Chen CY, J. Inorg. Organomet. Polym., 19, 234 (2009)

[8] Ham HT, Koo CM, Kim SO, Choi YS, Chung IJ, Macromol. Res., 12(4), 384 (2004)

[9] Kim JA, Seong DG, Kang TJ, Youn JR, Carbon, 44, 1898 (2006)

[10] Basavaraja C, Kim BS, Huh DS, Macromol. Res., 19(3), 233 (2011)

[11] Lee JI, Yang SB, Jung HT, Macromolecules, 42(21), 8328 (2009)

[12] Kim BS, Bae SH, Park YH, Kim JH, Macromol. Res., 15(4), 357 (2007)

[13] Chou WJ, Wang CC, Chen CY, Compos. Sci. Technol., 68, 2208 (2008)

[14] Park WK, Kim JH, Lee SS, Kim J, Lee GW, Park M, Macromol. Res., 13(3), 206 (2005)

[15] Chen CL, Liang B, Ogino A, Wang XK, Nagatsu M, J. Phys. Chem., 113, 7659 (2009)

[16] Chen XH, Chen XJ, Lin M, Zhong WB, Chen XH, Chen ZH, Macromol. Chem. Phys., 208, 964 (2007)

[17] Skakalova V, Kaiser AB, Dettlaff-Weglikowska U, Hrncarikova K, Roth S, J. Phys. Chem. B, 109, 7174 (2005)

[18] Zschoerper NP, Katzenmaier V, Vohrer U, Haupt M, Oehr C, Hirth T, Carbon, 47, 2174 (2009)

[19] Xu HX, Wang XB, Zhang YF, Liu SY, Chem. Mater., 18, 2929 (2006)

[20] Chen SM, Wu GZ, Liu YD, Long DW, Macromolecules, 39(1), 330 (2006)

[21] Wu WT, Shi L, Wang YS, Pang WM, Zhu QR, Nanotechnology, 19, 125607 (2008)

[22] Guo JX, Li YG, Wu SW, Li WX, Nanotechnology, 16, 2385 (2005)

[23] Jovanovic SP, Markovic ZM, Kleut DN, Romcevic NZ, Trajkovic VS, Dramicanin MD, Markovic BMT, Nanotechnology, 20, 445602 (2009)

[24] Kim M, Mun SC, Lee CS, Lee MH, Son Y, Park OO, Carbon, 49, 4024 (2011)

[25] Skakalova V, Dettlaff-Weglikowska U, Roth S, Diam. Relat. Mat., 13, 296 (2004)

[26] Robenson LM, in Polymer Blends: A Comprehensive Review, Hanser, Munich, 2007, Chapter 7.

[27] Wu DF, Zhang YS, Zhang M, Yu W, Biomacromolecules, 10(2), 417 (2009)

[28] Zou H, Wang K, Zhang Q, Fu Q, Polymer, 47(22), 7821 (2006)

[29] Potschke P, Kretzschmar B, Janke A, Compos. Sci. Technol., 67, 855 (2007)

[30] Krause B, Potschke P, Haußler L, Compos. Sci. Technol., 69, 1505 (2009)

[31] Levchik SV, Weil ED, Lewin M, Polym. Int., 48, 532 (1999)

[32] Holland BJ, Hay JN, Polym. Int., 49, 943 (2000)

[33] Schaffer MA, Marchildon EK, McAuley KB, Cunningham MF, J. Macromol. Sci.-Rev. Macromol. Chem. Phys., C40, 233 (2000)