1. Polymer and Specialty Materials Branch, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 32542, United States
2. Energy Technology and Materials Division, University of Dayton Research Institute, Dayton, Ohio 45469, United States
3. Fuels and Combustion Division, University of Dayton Research Institute, Dayton, Ohio 45469, United States
4. Biomaterials Branch, Photonics, Electronic & Soft Materials Division, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 32542, United States