This proof-of-concept study demonstrates a promising approach to enhance the CO₂ capture capacity of liquid amines, in which the amines were infused into microgel particles. A diverse range of amine infused microgels (AIMGs) were readily prepared within 5 min by adding microgel particles into different amine solutions. The AIMGs absorb CO₂ based on the infused amines. Due to the solid particle structure, the space among the AIMG particles provided diffusion channels for the CO₂ molecule and enhanced the contact efficiency of the amines and CO₂. As a result, the absorption efficiency of the amines was significantly increased resulting in higher CO₂ uptake and faster absorption kinetics for the AIMGs compared to the conventional bulk amine solutions. Furthermore, by ‘locking’ the amine solutions in the microgel particles, the corrosion and foaming issues of amine solutions could be substantially mitigated. Therefore, the amine solutions which have higher concentrations than the commercial counterparts could be used in the preparation of AIMGs. Due to the thermally stable network structure, the AIMGs which were prepared by the amines with low volatility exhibited favorable cyclic capacity during the temperature-swing regeneration process.

这项概念验证研究证明了一种提高液体胺的CO ₂捕集能力的有前途的方法，其中将胺注入微凝胶颗粒中。通过将微凝胶颗粒添加到不同的胺溶液中，可以在5分钟内轻松制备出各种范围的注入胺的微凝胶（AIMG）。AIMG基于注入的胺吸收CO ₂。由于固体颗粒结构，AIMG颗粒之间的空间为CO ₂分子提供了扩散通道，并提高了胺与CO ₂的接触效率。结果，胺的吸收效率显着提高，导致更高的CO _2。与传统的本体胺溶液相比，AIMG的吸收和吸收动力学更快。此外，通过将胺溶液“锁定”在微凝胶颗粒中，可以大大减轻胺溶液的腐蚀和起泡问题。因此，具有比商业对应物更高浓度的胺溶液可以用于制备AIMG。由于热稳定的网络结构，由低挥发性胺制备的AIMG在变温再生过程中表现出良好的循环容量。