Synthesis of Poly(4-vinylpyridine)-Grafted Ordered Mesoporous Silica via Surface-Initiated Reversible Addition-Fragmentation Chain Transfer Polymerization

摘要

The organic-inorganic hybrid mesoporous silica composite with poly(4-vinylpyridine) (P4VP) grafted on SBA-15 was synthesized via surface-initiated reversible addition-fragmentation chain transfer (RAFT) polymerization, and characterized by N_2-physical adsorption, TEM, XRD, ICP, and TGA techniques. The results indicate that P4VP-g-SBA-15 has improved properties when compared to the pure P4VP polymer and P4VP supported on SBA-15 via in situ free radical polymerization. This study would reveal great potential for controlled synthesis of functional polymers in organic-inorganic hybrid mesoporous materials.