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Issue 5, 2011
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Star and miktoarm star block (co)polymers viaself-assembly of ATRP generated polymer segments featuring Hamilton wedge and cyanuric acid binding motifs

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Abstract

Hamilton wedge (HW) end-functionalized poly(styrene) (PS–HW, Mn = 5400 g mol−1, PDI = 1.06), HW mid-chain functionalized poly(styrene) (PS–HW–PS, Mn = 4600 g mol−1, PDI = 1.04), cyanuric acid (CA) end-functionalized poly(styrene) (PS–CA, Mn = 3700 g mol−1, PDI = 1.04) and CA end-functionalized poly(methyl methacrylate) (PMMA–CA, Mn = 8500 g mol−1, PDI = 1.13) precursors were successfully synthesized via a combination of atom transfer radical polymerization (ATRP) and copper catalyzed azide–alkyne cycloaddition (CuAAC). The precursor polymers were characterized viasize exclusion chromatography (SEC) and 1H NMR with respect to both molecular weight and structure. Supramolecular homopolymer (PS–HW·PS–CA), block copolymer (PS–HW·PMMA–CA), star polymer (PS–HW–PS·PS–CA) as well as miktoarm star polymer (PS–HW–PS·PMMA–CA) were formed in solution in high yields at ambient temperature (association close to 89% for PS–HW·PS–CA, 90% for PS–HW–PS·PS–CA and 98% for PS–HW–PS·PMMA–CA) via H-bonding between the orthogonal recognition units, HW and CA. The formation of supramolecular polymers was confirmed via1H NMR at ambient temperature in deuterated methylene chloride (CD2Cl2) solution.

Graphical abstract: Star and miktoarm star block (co)polymers viaself-assembly of ATRP generated polymer segments featuring Hamilton wedge and cyanuric acid binding motifs

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Publication details

The article was received on 03 Dec 2010, accepted on 12 Jan 2011 and first published on 16 Feb 2011


Article type: Paper
DOI: 10.1039/C0PY00395F
Citation: Polym. Chem., 2011,2, 1146-1155
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    Star and miktoarm star block (co)polymers viaself-assembly of ATRP generated polymer segments featuring Hamilton wedge and cyanuric acid binding motifs

    O. Altintas, U. Tunca and C. Barner-Kowollik, Polym. Chem., 2011, 2, 1146
    DOI: 10.1039/C0PY00395F

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