초록 |
The selectivity of the chemical reaction is important for effective surface multi-functionalization chemistry. In order to achieve stable surfaces allowing various functionalization chemistry, we demonstrate a photocrosslinking strategy to form a stable polymer thin films where specific functional groups can be selectively functionalized. To do so, we synthesized random copolymers with 5-membered (2-thioxo-1,3-oxathiolan-5-yl) methyl methacrylate (DTCMMA) with functional methacrylate monomers. Photo-crosslinkers were designed and synthesized to form crosslinked thin films. The DTC ring opens by primary amine in the crosslinkers, resulting in stable thin films. Unreacted DTC and released thiol further were used to functionalize other functional groups through various efficient chemical reactions. These results highlight that the chemistry developed here is applicable to precisely tailor organic surfaces for desired properties. |