1. Department of Fiber Science & Apparel Design; Cornell University; Ithaca; NY; 14853; USA
2. Multiscale Composites and Polymers Division; University of Dayton Research Institute; Dayton; OH; 45469-0160; USA
3. Fire Science Division, Engineering Laboratory; National Institute of Standards and Technology; Gaithersburg; MD; 20899; USA
4. Polymers Division, Materials Measurement Laboratory; National Institute of Standards and Technology; Gaithersburg; MD; 20899; USA