Bromine pre-functionalized porous polyphenylenes: New platforms for one-step grafting and applications in reversible CO2 capture

被引：27
|
作者：
Sanz-Perez, E. S. [1 ]
Rodriguez-Jardon, L. [2 ]
Arencibia, A. [1 ]
Sanz, R. [1 ]
Iglesias, M. [2 ]
Maya, E. M. [2 ]
机构：
[1] Univ Rey Juan Carlos, Grp Chem & Environm Technol, C Tulipan S-N, Madrid 28933, Spain
[2] CSIC, Mat Sci Factory, Inst Ciencia Mat Madrid, Sor Juana Ines de la Cruz 3, Madrid, Spain
来源：
JOURNAL OF CO2 UTILIZATION | 2019年 / 30卷
关键词：
Knitting porous polymers; Bromine polyphenylene; Alkylamine grafting; TEPA; CO2 cyclic stability; CARBON-DIOXIDE; AROMATIC FRAMEWORKS; ORGANIC POLYMERS; MESOPOROUS SILICA; BUILDING-BLOCKS; SOLID SORBENTS; FLUE-GAS; ADSORPTION; ADSORBENTS; SBA-15;
D O I：
10.1016/j.jcou.2019.02.005
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The condensation of aromatic and brominated monomers using the solvent knitting strategy has produced new porous polyphenylenes with high specific surfaces areas (935-1950 m(2) g(-1)) and high bromine content (10-22 %). These bromine-polymers have been functionalized in a single step by reaction with TREN or TEPA alkylamines, studying their effect on the CO2 adsorption properties. Pure CO2 analyses show a maximum uptake of 1.03 and 1.54 mmol CO2/g for 2 Ph-TEPA and 5 Ph-TEPA respectively at 30 degrees C and atmospheric pressure. Resulting materials allow low heating cost during regeneration, and high stability after CO2 adsorption-desorption cycles, making these materials more easily recyclable than other TEPA-impregnated adsorbents.
引用
收藏
页码：183 / 192
页数：10
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