초록 |
Hyper-crosslinked polymers (HCPs) are microporous polymers containing pore size smaller than 2 nm, which is typically synthesized by Friedel-Crafts alkylation of aromatic precursors such as polystyrene in the swollen state. While control of cross-linking density in the precursor, adjustment of the building block structure, and incorporation of the molecular cavities have been reported to improve microporosity of HCPs and control the pore characteristics, we propose porosity of HCPs can be enhanced by incorporation of porogenic functional groups in the precursor. Based on the HCP derived from poly(vinylbenzyl chloride-co-divinylbenzene), we will discuss effect of the porogenic group removal in terms of porosity and specific surface area compared with pristine HCP. |