End-capping of living poly(2-METHYL-2-OXAZOLINE (cas 1120-64-5)) with maleic acid

Add time:09/29/2019    Source:sciencedirect.com

A series of functionalized poly(2-oxazoline)s were synthesized by quenching poly(2-methyl-2-oxazoline) living chains (mono- or bifunctional) with maleic acid as nucleophilic agent. By varying the functionality of the initiating system and the ratio of the nucleophile to oxazolinium ends, three different compounds – two macromers and/or an unsaturated polyester – were obtained. The use of a macromolecular proton scavenger was found to be an easy, efficient alternative to the laborious approach performed with triethylamine. The coupling products were copolymerized with styrene by solution or dispersion polymerization.

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