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2004•Macromolecular SymposiaRequires access

Advances in the Synthesis and Characterization of Polypeptide‐Based Hybrid Block Copolymers

Ivaylo V. Dimitrov, Hildegard Kukula, Helmut Cölfen, Helmut Schlaad

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Abstract

Abstract Linear polystyrene‐block‐poly(Z‐L‐lysine) copolymers with a very narrow molecular weight distribution (polydispersity index < 1.03) could be obtained via the ring‐opening polymerization of Z‐L‐lysine‐N‐carboxyanhydride using ω‐(primary amino hydrochloride)‐polystyrenes as macroinitiators in N,N‐dimethylformamide as the solvent at 40‐80 °C. The block copolymer samples were analyzed by means of NMR, size exclusion chromatography, and analytical ultracentrifugation.

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Abstract Linear polystyrene‐block‐poly(Z‐L‐lysine) copolymers with a very narrow molecular weight distribution (polydispersity index < 1.03) could be obtained via the ring‐opening polymerization of Z‐L‐lysine‐N‐carboxyanhydride using ω‐(primary amino hydrochloride)‐polystyrenes as macroinitiators in N,N‐dimethylformamide as the solvent at 40‐80 °C. The block copolymer samples were analyzed by means of NMR, size exclusion chromatography, and analytical ultracentrifugation.

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Available abstract

Abstract Linear polystyrene‐block‐poly(Z‐L‐lysine) copolymers with a very narrow molecular weight distribution (polydispersity index < 1.03) could be obtained via the ring‐opening polymerization of Z‐L‐lysine‐N‐carboxyanhydride using ω‐(primary amino hydrochloride)‐polystyrenes as macroinitiators in N,N‐dimethylformamide as the solvent at 40‐80 °C. The block copolymer samples were analyzed by means of NMR, size exclusion chromatography, and analytical ultracentrifugation.

Key concepts: Copolymer, Dispersity, Polymer chemistry, Polystyrene, Size-exclusion chromatography, Polymerization, Molar mass distribution, Solvent

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