Journal of Analytical and Applied Pyrolysis 126 (2017) 337–345 Contents lists available at ScienceDirect Journal of Analytical and Applied Pyrolysis journal homepage: www.elsevier.com/locate/jaap Original article Eﬀects of hard- and soft-segment composition on pyrolysis characteristics of MARK MDI, BD, and PTMG-based polyurethane elastomers a, b a c a Shogo Kumagai , Suguru Motokucho , Ryosuke Yabuki , Airi Anzai , Tomohito Kameda , d b a Atsushi Watanabe , Hisayuki Nakatani , Toshiaki Yoshioka Graduate School of Environmental Studies, Tohoku University, 6-6-07 Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8579, Japan Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan Technical Division, School of Engineering, Tohoku University, 6-6-04 Aoba, Aramaki-aza, Aoba-ku, Sendai, Miyagi 980-8579, Japan Frontier Laboratories Ltd., 4-16-20, Saikon, Koriyama, Fukushima 963-8862, Japan ARTICLE I NFO ABSTRACT Keywords: A study of the morphology changes in polyurethane elastomers (PUEs) containing diﬀerent hard- and soft- Polyurethane elastomer segment ratios during ramped-heating pyrolysis revealed that selectivity of urethane bond cleavage is controlled Hard segment by only the segment composition. Several PUEs were synthesized using 4,4′-diphenylmethane diisocyanate, 1,4- Soft segment butanediol, and poly(oxytetramethylene glycol) (PTMG) to examine the inﬂuence of segment composition on Pyrolysis mechanism pyrolysis characteristics by
Journal of Analytical and Applied Pyrolysis – Elsevier
Published: Jul 1, 2017
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