以二亚乙基三胺丙烯酸盐离子液体单体为原料,制备了一种聚离子液体——聚二亚乙基三胺丙烯酸盐(PDETAA),并对其捕获CO2性能进行了研究.当温度低于70℃时,PDETAA捕获CO2具有捕获容量高、速度快等特点,在低温捕获的CO2可以在高温下有效解吸,捕获/解吸过程可以重复进行,PDETAA可再生.每个捕获/解吸循环,每克PDETAA可以分离大约0.36 g CO2.PDETAA作为一种新型固态CO2捕获材料,在燃气和烟气脱碳领域表现出较大的应用潜力.
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