Star-shaped inorganic–organic hybrid polymers with polyhedral oligomeric silsesquioxane core: Synthesis, self-assembly and tunable thermoresponse
2013
Yuan, Weizhong | Shen, Tianxiang | Liu, Xu | Ren, Jie
A series of novel star-shaped hybrid P(2-(2-methoxyethoxy)ethylmethacrylate)-co-oligo(ethylene glycol) methacrylate (P(MEO₂MA-co-OEGMA)) polymers with polyhedral oligomeric silsesquioxane (POSS) core (POSS-(P(MEO₂MA-co-OEGMA))₈) were synthesized via atom transfer radical polymerization (ATRP). The obtained inorganic–organic hybrid polymers can self-assemble into micelles in aqueous solution owing to the amphiphilic property resulting from the hydrophobic inorganic POSS core and the hydrophilic P(MEO₂MA-co-OEGMA) segments. The hybrid polymeric micelles show a significant tunable temperature responsive property which can be adjusted from 29.7 to 39.1°C through altering the ratio of MEO₂MA and OEGMA in P(MEO₂MA-co-OEGMA) polymers. These amphiphilic hybrid polymers have potential applications in nano-carrier, nano-reactor, smart materials and biomedical fields.
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