The O-containing hyper-cross-linked polymers were synthesized from phenol (2-naphthol) and formaldehyde dimethyl acetal by a simple one-step Friedel-Crafts reaction, they were subsequently carbonized using KOH as the activating agent, and their adsorption to CO₂ was carefully tested. The results indicated that these samples had a high Brunauer-Emmett-Teller surface area (up to 2241 m²/g), pore volume (up to 1.20 cm³/g), CO₂ uptake (up to 6.3 mmol/g at 273 K and 1.0 bar), and CO₂/N₂ selectivity (up to 96 for the HCPs, and 22.5 for the porous carbon). In particular, the CO₂ adsorption was highly dependent on the ultramicropore volume (pore width<0.7 nm), while the CO₂/N₂ selectivity mainly relied on the oxygen content and the ultramicropore structure.

通过简单的一步式Friedel-Crafts反应，由苯酚（2-萘酚）和甲醛二甲基乙缩醛合成含O的超交联聚合物，然后使用KOH作为活化剂对其进行碳化，然后将其吸附到CO上。₂经过仔细测试。结果表明，这些样品具有较高的Brunauer-Emmett-Teller表面积（最大2241 m ² / g），孔体积（最大1.20 cm ³ / g），CO ₂吸收（在273时最大6.3 mmol / g） K和1.0 bar）和CO ₂ / N ₂选择性（对于HCP高达96，对于多孔碳为22.5）。特别是CO ₂吸附高度依赖于超微孔的体积（孔宽<0.7 nm），而CO ₂ / N _2的选择性主要取决于氧含量和超微孔的结构。