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Hybrid organic–inorganic block copolymer nano‐objects from RAFT polymerization‐induced self‐assembly
Authors:Yuanming Deng  Cangjie Yang  Conghui Yuan  Yiting Xu  Julien Bernard  Lizong Dai  Jean‐François Gérard
Affiliation:1. Key Laboratory for Fire Retardant Materials of Fujian Province, College of Materials, Xiamen University, , Xiamen, 361005 People Republic of China;2. INSA de Lyon, , 69621 France;3. CNRS, , 69621 France;4. College of Materials Science and Engineering, Shenzhen University, , Shenzhen, 518060 China
Abstract:A simple route to organic–inorganic (O/I) nano‐objects with different morphologies through polymerization‐induced block copolymer self‐assembly is described. The synthetic strategy relies on the chain‐extension of polyhedral oligomeric silsesquioxanes (POSS)‐containing macro‐CTA (PMAiBuPOSS13 and PMAiBuPOSS19) with styrene at 120 °C in octane, a selective solvent of the POSS‐containing block. The polymerization system was proven to afford a plethora of O/I nano‐objects, such as spherical micelles, cylindrical micelles, and vesicles depending on the respective molar masses of the PMAiBuPOSS and polystyrene (PS) blocks. The cooling procedure was also proven to be a crucial step to generate particles with a unique morphology. © 2013 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2013 , 51, 4558–4564
Keywords:block copolymers  O/I hybrid nano‐objects  Polyhedral oligmeric silsesquioxane  reversible addition-fragmentation chain transfer  Self‐assembly
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