CAJ | 학술논문

制备了扩孔的介孔氧化硅MCM-41，然后以其为载体，通过化学接枝法将3-[2-（2-氨基乙基氨基）乙基氨基]丙基-三甲氧基硅烷嫁接到其介孔结构中，制备了氨基官能化的介孔氧化硅复合材料。通过 N2吸附脱附实验、红外光谱、热重分析等手段对氨基官能化前后扩孔 MCM-41的物理化学属性进行了表征，然后考察了复合材料对CO2的吸附捕集性能。结果表明：与单纯扩孔 MCM-41相比，氨基官能化的扩孔 MCM-41复合材料的比表面积、总孔容及孔径均减小；同时，所制复合材料对 CO2的吸附量明显增大（两者的 CO2吸附量分别为28 mg／g 和76 mg／g），且在循环CO2吸附脱附实验中呈现出优异的稳定性。
제비료확공적개공양화규MCM-41，연후이기위재체，통과화학접지법장3-[2-（2-안기을기안기）을기안기]병기-삼갑양기규완가접도기개공결구중，제비료안기관능화적개공양화규복합재료。통과 N2흡부탈부실험、홍외광보、열중분석등수단대안기관능화전후확공 MCM-41적물이화학속성진행료표정，연후고찰료복합재료대CO2적흡부포집성능。결과표명：여단순확공 MCM-41상비，안기관능화적확공 MCM-41복합재료적비표면적、총공용급공경균감소；동시，소제복합재료대 CO2적흡부량명현증대（량자적 CO2흡부량분별위28 mg／g 화76 mg／g），차재순배CO2흡부탈부실험중정현출우이적은정성。
Pore-expanded mesoporous silica ( MCM-41) was synthesized and employed as a host for grafting 3-[2-(2-aminoethylamino)ethylamino]propyl trimethoxysilane to obtain an amino-functionalized mesoporous silica compos-ite.The pore-expanded MCM-41 before and after amine immobilization were characterized by N 2 adsorption-desorption measurement , fourier-transform infrared spectroscopy , and thermal gravimetric analysis .CO2 capture performances of samples were then examined .Results showed that surface area , pore volume, and pore size of amino-functionalized pore-expanded MCM-41 composite were lower than those of pore-expanded MCM-41.At the same time, amino-func-tionalized pore-expanded MCM-41 composite showed much higher CO 2 adsorption capacity than that of pore-expanded MCM-41 only ( their CO2 capture capacity is 28 mg/g and 76 mg/g, respectively ) , and excellent stability in the cyclic CO2 adsorption-desorption experiments .