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Issue 4, 2014
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Expanding the scope of the crystallization-driven self-assembly of polylactide-containing polymers

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Abstract

We report the crystallization-driven self-assembly of diblock copolymers bearing a poly(L-lactide) block into cylindrical micelles. Three different hydrophilic corona-forming blocks have been employed: poly(4-acryloyl morpholine) (P4AM), poly(ethylene oxide) (PEO) and poly(N,N-dimethylacrylamide) (PDMA). Optimization of the experimental conditions to improve the dispersities of the resultant cylinders through variation of the solvent ratio, the polymer concentration, and the addition speed of the selective solvent is reported. The last parameter has been shown to play a crucial role in the homogeneity of the initial solution, which leads to a pure cylindrical phase with a narrow distribution of length. The hydrophilic characters of the polymers have been shown to direct the length of the resultant cylinders, with the most hydrophilic corona block leading to the shortest cylinders.

Graphical abstract: Expanding the scope of the crystallization-driven self-assembly of polylactide-containing polymers

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Publication details

The article was received on 03 Aug 2013, accepted on 13 Nov 2013 and first published on 29 Nov 2013


Article type: Paper
DOI: 10.1039/C3PY01048A
Citation: Polym. Chem., 2014,5, 1427-1436
  • Open access: Creative Commons BY license
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    Expanding the scope of the crystallization-driven self-assembly of polylactide-containing polymers

    A. Pitto-Barry, N. Kirby, A. P. Dove and R. K. O'Reilly, Polym. Chem., 2014, 5, 1427
    DOI: 10.1039/C3PY01048A

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