期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 220, 期 16, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.201900213
关键词
azide-alkyne click reaction; chemical warfare agents; N-halamine; thermoplastic polyurethane
N-chlorinated hydantoin thermoplastic polyurethane (N-Cl HD-TPU) is synthesized via azide-alkyne click reaction of the azido TPU polymers followed by chlorination in order to develop catalytic polymer materials for decomposition of chemical warfare agents. The N-Cl HD-TPU shows good decomposition efficacy of 2-chloroethyl ethyl sulfide (simulant of mustard gas) over 90% and 60% in the form of porous membrane and fiber, respectively. However, stability of N-Cl moiety is significantly decreased by moisture and UV from environments within 24 h. The several different types of additional moieties such as decyne, polyethylene glycol, and fluorinated alkyl chain are co-functionalized to HD-TPU backbone in order to improve N-Cl stability. When decyne moiety is co-functionalized, the N-Cl HD-TPU shows enhanced stability under maintaining their decomposition efficiency.
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