Douglas G. Powell

Nitrogen-15 NMR characterization of multiple crystal forms and phase transitions in polyundecanamide (Nylon 11)

Lon J. Mathias, Douglas G. Powell, Jean Philippe Autran et al. · Macromolecules · 1990 · 63 citations

Characterization of nylon 6 by nitrogen-15 solid-state nuclear magnetic resonance

Douglas G. Powell, Lon J. Mathias · Journal of the American Chemical Society · 1990 · 35 citations

Nitrogen-15 solid state NMR characterization of aramid-containing nylon-6 by in situ polymerization with benzoyl caprolactam derivatives

Douglas G. Powell, Allison M. Sikes, Lon J. Mathias · Macromolecules · 1988 · 23 citations

Macromolecular Chemistry, Engineering, Altmetric Attention Score +17

Natural abundance 15N CP/MAS n.m.r. of solid polyamides: a technique sensitive to composition and conformation in the solid state

Douglas G. Powell, Allison M. Sikes, Lon J. Mathias · Polymer · 1991 · 16 citations

Materials Science, Engineering, Natural Abundance 15N +8

Solid state 15N nuclear magnetic resonance of 15N-labeled nylon 6 and nylon 11: Observation of multiple crystalline forms and amorphous regions

Lon J. Mathias, Douglas G. Powell, Jean-Philippe Autran et al. · Materials Science and Engineering A · 1990 · 10 citations

Materials Science, Solid State 15N, Engineering +7