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Journal of the Korea Institute of Military Science and Technology 2009;12(5):660-666.
Synthesis and Properties of Energetic Thermoplastic Polyurethane included Glycidyl Azide Polymer
Hyoung-Sug Kim, Jong-Sung You, Jung-Ok Kweon, Si-Tae Noh, Soon-Kil Kwon, Jung-Hwan Lee, Jae-Chul Yu, Keun-Bae Choi
1Hanyang University
2
3R&D Center, Hepce Chem
Glycidyl Azide Polymer를 포함하는 에너지화 열가소성 폴리우레탄의 합성 및 성질
김형석, 유종성, 권정옥, 노시태, 권순길, 이정환, 유재철, 최근배
1한양대학교 화학공학과
2국방과학연구소
3(주)헵스켐 기술연구소
Abstract
Thermoplastic polyurethane elastomer(PU-TPE) and energetic thermoplastic polyurethane Elastomer(E-PU-TPE) were prepared from Hexamethylene diisocyanate(HDI), 1,4-BD/AA ester polyol and glycidyl azide polymer(GAP-2400) as an energetic material by the addition polymerization. The PU-TPE and E-PU-TPE were characterized by FT-IR and GPC. Viscometer, DSC and UTM were used to investigate the viscose behavior with a various solvent, thermal properties and mechanical properties of PU-TPE and E-PU-TPE, which are of potential interest for the development of high performance binder of energetic solid propellants. It was found that $M_w$ of PU-TPE and E-PU-TPEs are over 100,000 and decreased with increase of GAP-2400 contents. $T_m$ and ${Delta}H$ as thermal properties decreased and also tensile strength and elongation at break as mechanical properties decreased with increase of GAP-2400 contents.
Key Words: Glycidyl Azide Polymer(GAP), Energetic Thermoplastic Polyurethane Elastomer(ETPE), Polyurethane, Addition Polymerization
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