Journal
MACROMOLECULES
Volume 38, Issue 17, Pages 7225-7230Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma050755w
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Funding
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0811346] Funding Source: National Science Foundation
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Random and block copolymers containing two different classes of hydrogen-bonding side-chains have been prepared by ring-opening metathesis polymerization. The resulting copolymers can be viewed as universal polymer backbones based solely on two competitive hydrogen-bonding pairs. The hydrogen-bonding side chains containing thymine and cyanuric acid-based recognition motifs are shown to self-assemble with their complementary diamido pyridine and isophthalic wedge moieties, respectively, even in the presence of competitive recognition sites, i.e., selective functionalization of the copolymers can be accomplished via a one-step orthogonal self-assembly approach displaying self-sorting in a competitive environment. These results clearly demonstrate the concept of self-sorting in synthetic polymers and suggest the design of complex polymeric materials containing competitive noncovalent interactions.
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