Table 6 ATRP of methyl methacrylate from MNs—comparison of grafting density for various anchoring chemistry
Anchoring chemistry | Grafting density after immobilizing initiator (molecules/nm2) | Grafting density after polymerization of MMA (chain/nm2) | Average initiator efficiency after polymerization |
---|---|---|---|
Phosphonic acid | 2.6 | 1.0 | 0.38 |
Choro silane | 1.5 | 0.1 | 0.06 |
Triethoxy silane | 5.6 | 0.1 | 0.01 |
Carboxylic acid | 8.6 | 0.1 | 0.01 |