以丙烯酸甲酯和二乙烯基苯悬浮共聚，制备了交联度分别为5％、7％、9％的大孔交联聚丙烯酸甲酯（PMA），通过与二乙烯三胺的胺解反应得到了大孔交联聚丙烯酰二乙烯三胺（PAM）吸附树脂；通过红外光谱（FT—IR）对树脂的结构进行了表征；系统考察了静态吸附法下PAM树脂对C02的吸附性能以及作为C02吸附材料的循环使用性能。结果表明，在室温下交联度为5％的PAM树脂具有较高的CO2吸附量，达143．1mg／g吸附剂，C02吸附量随胺基数量增加而增大，且PAM树脂具有良好的循环使用稳定性。
Macroporous polymethylacrylate (PMA) with three different crosstinking degrees i.e. 5 % , 7 % , 9 % , was synthesized by the conventional suspension polymerization of methylacrylate and divinylbenzene. Spherical maeroporous N-substituted polyacrylamide adsorption resin (PAM) was prepared via the aminolysis reaction of PMA with diethylenetriamine. The resins were characterized by FT-IR. The CO2 adsorption capacity, adsorption ra'te and cyclic capacity under static adsorption condition were investigated. The results show that when the crosslinking degree is 5 % , the adsorbent has a much higher adsorption capacity of 143.1 mg CO2/g at room temperature. With the amine number increaseing, CO2 adsorption capacity also increases. This adsorbent has the good cyclic using stability.
参考文献
| [1] | 赵燕山.固态胺清除二氧化碳技术研究[J].舰船科学技术,2001(03):23-28. |
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