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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Effect of Amine Structure on CO2 Adsorption of Modified Poly(ethyleneimine)-Impregnated Mesostructured Silica Sorbents
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Effect of Amine Structure on CO2 Adsorption of Modified Poly(ethyleneimine)-Impregnated Mesostructured Silica Sorbents

机译:胺结构对改性聚(乙基亚胺)二氧化碳吸附的影响 - 咪浸润的二氧化硅吸附剂

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摘要

Poly(ethyleneimine) (PEI) was modified to study the effect of amine type and introduced hydroxy groups on its ability to capture carbon dioxide. Amines were impregnated in as-synthesized mesostructured silica (MSU-F) to fabricate solid amines, and the resulting samples were characterized via C-13 nuclear magnetic resonance spectroscopy and diffuse reflectance infrared Fourier transform spectroscopy. Nitrogen contents, structural properties, adsorption capacity, and sorbent durability during CO2 adsorption/desorption processes were measured to study the CO2 sorption performances of the sorbents.
机译:修饰聚(乙烯亚胺)(PEI)以研究胺型和引入羟基的作用对捕获二氧化碳的能力。 胺浸渍在合成的型腹腔结构二氧化硅(MSU-F)中浸渍以制造固体胺,并通过C-13核磁共振光谱表征所得的样品并弥漫反射红外傅立叶变换光谱。 测量CO 2吸附/解吸过程中的氮含量,结构性,吸附能力和吸附剂耐久性,以研究吸附剂的CO2吸附性能。

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