Periodic mesoporous organosilicas functionalized with a wide variety of amines for CO2 adsorption

被引：70

作者：

De Canck, Els ^{[1
]}

Ascoop, Isabelle ^{[1
]}

Sayari, Abdelhamid ^{[2
]}

Van Der Voort, Pascal ^{[1
]}

机构：

[1] Univ Ghent, Dept Inorgan & Phys Chem, COMOC, B-9000 Ghent, Belgium

[2] Univ Ottawa, Dept Chem, Ctr Catalysis Res & Innovat, Ottawa, ON K1N 6N5, Canada

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 24期

基金：

加拿大自然科学与工程研究理事会;

关键词：

CARBON-DIOXIDE CAPTURE; METAL-ORGANIC FRAMEWORKS; AMBIENT-TEMPERATURE; MCM-41; SILICA; DRY GASES; ADSORBENTS; SBA-15; SEPARATION; PROGRESS; STORAGE;

D O I：

10.1039/c3cp50393c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

The adsorption of CO2 on amine modified periodic mesoporous organosilicas (PMOs) has been investigated. An ethenylene-bridged PMO is modified with a wide range of diamines and polyamines. A variety of dangling N-containing functionalities, i.e., diaminobutane, diaminohexane, diaminododecane, diethylenetriamine and tetraethylenepentamine, as nucleophiles in a substitution reaction is used. The CO2 adsorption capacity of these materials is probed and compared with amine functionalized SBA-15 material, in an effort to reach the maximal CO2/N ratio of 0.5 when using dry conditions in a chemisorption process. The materials showed good CO2 adsorption behaviour and this maximum amine efficiency value has been approximated by the PMO material modified with diaminododecane.

引用

页码：9792 / 9799

页数：8

共 68 条

[1]

Quantification of chemisorption and physisorption of carbon dioxide on porous silica modified by propylamines: Effect of amine density [J].