Summary
Mono(1,3-oxazolin-2-yl)-terminated atactic oligopropene with Mn=710g/mol was derived in high yields from monoester-terminated oligopropene via reaction with 2-aminoethanol and subsequent Ti(OC4H9)4-catalyzed dehydration at 180°C. Cationic bulk polymerization of this novel macromonomer, initiated with 2 mol% methyl-4-nitrobenzenesulfonate at 200°C, afforded high molecular weight poly[N-oligopropene-1-carbonyl]-ethyleneimine]. Grafting of mono(1,3-oxazolin-2-yl)-terminated oligopropene with poly(ethene-co-methacrylic acid), containing 3 mol% methacrylic acid, by heating both components for 15minutes at 220°C yielded novel ethene copolymers containing 41wt% esteramide-coupled oligopropene as side chains.
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Wörner, C., Rösch, J., Höhn, A. et al. Syntheses of mono(1,3-oxazolin-2-yl)-terminated oligopropene macromonomers and novel polymers containing oligopropene side chains. Polymer Bulletin 36, 303–309 (1996). https://doi.org/10.1007/BF00319229
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DOI: https://doi.org/10.1007/BF00319229