Solution and Solid-State NMR Spectroscopy of Nylon 6-Montmorillonite Clay Nanocomposites

Authors

Rick D. Davis, University of Southern MississippiFollow
William L. Jarrett, University of Southern MississippiFollow
Lon J. Mathias, University of Southern Mississippi

Document Type

Article

Publication Date

11-6-2001

Department

Polymers and High Performance Materials

Abstract

Nylon 6/montmorillonite clay nanocomposites were characterized by solution and solid state NMR spectroscopy. Solution ¹³C NMR spectroscopy indicates nylon 6 molecular weight is controlled by the concentration of intercalate (ammonium salt of 12-aminolauric acid) and all nylon 6 amine end-groups are protonated and presumably bound to the surface of the clay sheets. It is believed that this interaction between the clay sheets and the polymer chains is what promotes γ crystallite formation over α crystallite. Solid state ¹⁵N CP/MAS NMR spectroscopy indicates that the nanocomposite thermal history dictates the ratio and type of crystallites formed. Solid state ²H NMR spectral and T₁ results are preliminary but indicate the nanocomposite containing component is unlike the amorphous and crystalline domains of nylon 6.

Publication Title

ACS Symposium Series

Volume

804

First Page

117

Last Page

126

Recommended Citation

Davis, R. D., Jarrett, W. L., Mathias, L. J. (2001). Solution and Solid-State NMR Spectroscopy of Nylon 6-Montmorillonite Clay Nanocomposites. ACS Symposium Series, 804, 117-126.
Available at: https://aquila.usm.edu/fac_pubs/16119