Preparation and Characterization of Nylon 6 Compounds Using the Nylon 6-Grafted GO

Loan Nguyen; Sung-Moon Choi; Dong-Hun Kim; Nak-Kyung Kong; Phil-Jung Jung; Soo-Young Park

Macromolecular Research, Vol.22, No.3, 257-263, March, 2014

DOI10.1007/s13233-014-2046-5 Export Citation

Preparation and Characterization of Nylon 6 Compounds Using the Nylon 6-Grafted GO

Loan Nguyen, Sung-Moon Choi, Dong-Hun Kim, Nak-Kyung Kong¹, Phil-Jung Jung¹, and Soo-Young Park^†

Department of Polymer Science, Kyungpook National University, Daegu, 702-701, Korea
¹Advanced Trim Engineering Team, Research & Development Division, Hyundai Motor Company, Gyeonggi, 445-706, Korea

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Nylon 6 compounds were prepared using master batch (MB) chips containing nylon 6-grafted graphene oxide (GOgraft), which was prepared using an in situ polymerization method with GO dispersed in an ε -caprolactam monomer with 6-aminocaproic acid as the initiator. The MB chips were well compounded with the virgin nylon 6 chips with good processibility. The GOgraft showed good dispersion in m-cresol, formic acid, and sulfuric acid compared to the pure reduced GO, indicating that the nylon 6 chains were grafted successfully on the GO sheets, which was also confirmed by atomic force microscopy. This GOgraft improved the modulus of the compound by 139% by incorporating 0.015 wt% of the GO in the polymer matrix. However, the elongation at break decreased. The increase in modulus by incorporating small amounts of GO might have been due to the good dispersion of the GO in the polymer matrix and the strong interactions between them.

Keywords:nylon 6;graphene oxide;mechanical properties;extrusion.

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[4] Liu TX, Phang IY, Shen L, Chow SY, Zhang WD, Macromolecules, 37(19), 7214 (2004)

[5] Zhang Z, Zhang J, Chen P, Zhang B, He J, Hu GH, Carbon., 44, 692 (2006)

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[10] Hummers WS, Offeman RE, J. Am. Chem. Soc., 80, 1339 (1958)

[11] in Polymer Data Handbook, J. E. Mark, Ed., Oxford University Press, New York, 180 (1999)

[12] Dreyer DR, Park S, Bielawski CW, Ruoff RS, Chem. Soc. Rev., 39, 228 (2010)

[13] Stankovich S, Dikin DA, Piner RD, Kohlhaas KA, Kleinhammes A, Jia Y, Wu Y, Nguyen ST, Ruoff RS, Carbon., 45, 1558 (2007)

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