Journal
MACROMOLECULES
Volume 46, Issue 7, Pages 2628-2635Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma302602u
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Funding
- National Science Foundation (NSF) of the US
- Engineering and Physical Sciences Research Council (EPSRC) of the UK
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1007760] Funding Source: National Science Foundation
- Engineering and Physical Sciences Research Council [EP/H047468/1] Funding Source: researchfish
- EPSRC [EP/H047468/1] Funding Source: UKRI
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The synthesis, characterization, and self-assembly of a range of ABC star polymers with arms of polyisoprene, poly(ferrocenylethylmethylsilane), and polystyrene is reported. A library of azide-functionalized polyisoprene and poly(ferrocenylethylmethylsilane) homopolymers were prepared by living anionic polymerization. Polystyrene was synthesized by living anionic polymerization and quenched with 3-triisopropylsilylethynyl-5-trimethylsilylethynylbenzaldehyde, yielding core-functionalized polystyrene with two different alkyne units. The azide-functionalized monomers were sequentially attached to core-functionalized polystyrene via copper(I)-catalyzed azide-alkyne cycloaddition reactions, giving polystyrene-polyisoprene-poly(ferrocenylethylmethylsilane) ABC star terpolymers with different compositions and narrow dispersities. Additionally, a chlorosilane route was employed as an alternative means of synthesis. Bulk films of each star terpolymer were prepared, and their self-assembly was analyzed by transmission electron microscopy. The formation of a diverse range of morphologies was observed, including lamellae with alternating cylinders and two different Archimedean tiling patterns.
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