Breathable, Polydopamine-Coated Nanoporous Membranes That Selectively Reject Nerve and Blister Agent Simulant Vapors

被引：13
作者：
Dwulet, Gregory E. [1 ]
Dischinger, Sarah M. [2 ]
McGrath, Michael J. [2 ]
Basalla, Andrew J. [2 ]
Malecha, John J. [1 ]
Noble, Richard D. [2 ]
Gin, Douglas L. [1 ]
机构：
[1] Univ Colorado, Dept Chem, Boulder, CO 80309 USA
[2] Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2019年 / 58卷 / 47期
关键词：
RUBBER COMPOSITES; BARRIER MATERIALS; PROTECTION; MONOMER;
D O I：
10.1021/acs.iecr.9b04738
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A laminated thin-film composite (TFC) membrane system consisting of an ultrafiltration support, an ordered, nanoporous, polymerized lyotropic liquid crystal (LLC) intermediate layer, and an ultrathin, dense polydopamine top layer was developed for use as a "breathable" chemical-protective garment material. These membranes exhibit a high water vapor transport rate (ca. 500 g m(-2) day(-1)) and excellent rejection of both CEES (a blister agent simulant) and DMMP (a nerve agent simulant) vapors under ambient conditions. The (water:CEES) and (water:DMMP) molar vapor selectivity values of this new composite membrane system were found to be 170 +/- 40 and >3400, respectively, which exceed those of any previously reported LLC-based membrane system.
引用
收藏
页码：21890 / 21893
页数：4
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