期刊
POLYMER CHEMISTRY
卷 3, 期 1, 页码 124-134出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1py00435b
关键词
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资金
- NSF [DMR-0906898]
- Lubrizol Corporation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [906898] Funding Source: National Science Foundation
A series of [60]fullerene (C-60)-containing poly(ethylene oxide)-block-polystyrene (PEO-b-PS) with various numbers and different locations of C-60 along the polymer chains were designed and synthesized via a combination of click chemistry and living/controlled polymerization techniques such as anionic polymerization, atom transfer radical polymerization, and reversible addition-fragmentation chain transfer polymerization. One C-60 was tethered either to the end of a PS block (PEO-b-PS-C-60) or at the junction point between PS and PEO blocks [PEO-(C-60)-PS]; while multiple C(60)s could be attached randomly along the PS block (PEO-b-PS/C-60). The reaction conditions were carefully controlled to ensure a quantitative C-60 functionality at precise locations in the case of PEO-b-PS-C-60 and PEO-(C-60)-PS and to avoid crosslinking in the synthesis of PEO-b-PS/C-60. The results have implications in the precision synthesis of fullerene polymers in general. These C-60-containing diblock copolymers possess different composition, diverse architecture, and high fullerene functionality. They can serve as model shape amphiphiles for the construction of complex hierarchical structures via the interplay between C-60-C-60 aggregation and block copolymer self-assembly/micro-phase separation.
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