Conclusion
α-ω unsaturated oligomers are obtained in a biphasic system using a phase transfert agent (tetrabutyl ammonium hydrogenosulfate), vigorous shaking and no heating. In accordance with this process, polyethylene and polybutylenes glycols have been modified and better yields are obtained with the second product. In fact, the partial solubility of oxyethylenic chain in water and the use of a strongly basic environment make possible the inverse reaction.
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Bougherara, C., Boutevin, B. & Robin, JJ. Sunthesis of α-ω unsaturated oligomers by chemical modification of dihydroxylated compounds. Polymer Bulletin 26, 181–185 (1991). https://doi.org/10.1007/BF00297524
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DOI: https://doi.org/10.1007/BF00297524