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Journals / Hacettepe Journal of Biology and Chemistry / 2018 / Cilt: 46 - Sayı: 1

Modification of Functional Polyesters Bearing Norbornene Moieties via Olefin Metathesis Reactions

Olefin Metatez Tepkimeleri ile Norbornen İçeren Fonksiyonel Poliesterlerin Modifikasyonu

Bengi Özgün ÖZTÜRK
Pages
61–68
Publication Date
2022-10-17
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

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.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, unsaturated functional polyester derivatives were synthesized via polycondensation reactions of 5-norbornene-2,3-dicarboxylic anhydride and 1,6-hexanediol.
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Key Findings & Data:Functional unsaturated polyesters were modified using methyl acrylate as ring opening/cross-metathesis reaction partner.
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Conclusion & Impact: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.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

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.

Özet

Bu çalışmada doymamış fonksiyonel poliester türevleri 5-norbornen-2,3-dikarboksilik anhidrit ve 1,6-hekzandiol bileşiklerinin polikondenzasyon tepkimeleri ile elde edilmiştir. Fonksiyonel doymamış poliesterler metil akrilat kullanılarak halka açılma/çapraz metatez tepkimeleri ile modifiye edilmiştir. Poliesterlerin çözü- nürlük ve hidrofobik/hidrofilik karakterleri halka açılma/çapraz metatez tepkimeleri ile alil son grubuna sahip poli(etilenglikol) bileşikleri entegre edilerek değiştirilmiştir. Doymamış poliesterlerdeki norbornen grubu sayesinde jel benzeri malzemeler, Grubbs birinci, üçüncü ve Hoveyda-Grubbs ikinci nesil katalizörleri varlığında halka açılım metatez polimerizasyon tepkimeleri ile ana poliester zinciri üzerinde yan poli(norbornen) zincirlerinin oluşumu ile elde edilmiştir.

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Cite This Article

ÖZTÜRK, B. Ö. (2022). Modification of Functional Polyesters Bearing Norbornene Moieties via Olefin Metathesis Reactions. Hacettepe Journal of Biology and Chemistry, Cilt: 46 - Sayı: 1, 61–68. https://ajindex.com/articles/529051

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