Photocleavage of the corona chains of rigid-rod block copolymer micelles
A polyferrocenyldimethylsilane-block-poly (2-vinylpyridine) sample with a photocleavable o-
nitrobenzyl ester (ONB) group at the junction (PFS35-hv-P2VP400) was synthesized by
copper-catalyzed coupling of a P2VP-ONB-alkyne with a PFS-azide. Rodlike core-crystalline
micelles of uniform length and uniform width were prepared in 2-propanol, a selective
solvent for P2VP. Samples of these micelles were photoirradiated with UV-A light (peak
emission 360 nm), which induced cleavage at the core–corona junction. Prolonged …
nitrobenzyl ester (ONB) group at the junction (PFS35-hv-P2VP400) was synthesized by
copper-catalyzed coupling of a P2VP-ONB-alkyne with a PFS-azide. Rodlike core-crystalline
micelles of uniform length and uniform width were prepared in 2-propanol, a selective
solvent for P2VP. Samples of these micelles were photoirradiated with UV-A light (peak
emission 360 nm), which induced cleavage at the core–corona junction. Prolonged …
[引用][C] Photocleavage of the Corona Chains of Rigid-Rod Block Copolymer Micelles
Z Hang, L Yijie, Q Huibin, G Gerald, M Ian - 2015
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