Volume 46 - Issue 1 - 61 - 68

Modification of Functional Polyesters Bearing Norbornene Moieties via Olefin Metathesis Reactions

Olefin Metatez Tepkimeleri ile Norbornen İçeren Fonksiyonel Poliesterlerin Modifikasyonu

In this study, unsaturated functional polyester derivatives were synthesized via polycondensation reactions of 5-norbornene-2,3-dicarboxylic anhydride and 1,6-hexanediol. Functional unsaturated polyesters were modified using methyl acrylate as ring opening/cross-metathesis reaction partner. The solubility and hydrophobic/hydrophilic character of polyester was tuned by integrating allyl end capped poly(ethyleneglycol) by ring opening/cross-metathesis reactions. Norbornene moiety of unsaturated polyesters allowed us to use ring opening metathesis polymerization reactions to form side-chain poly(norbornene) on main polyester chain using Grubbs 1st, 3rd and Hoveyda-Grubbs 2nd generation catalysts as initiators, resulting in gel-like materials

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