Preparation of poly(oxanorbornene) based single and double-folding polymers via nucleophilic aromatic substitution reaction

Burcu Alkan, Binnur Aydogan Temel, Hakan Durmaz*, Gokhan Temel

*Bu çalışma için yazışmadan sorumlu yazar

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Özet

A facile approach is introduced to prepare single-chain nanoparticles (SCNPs) utilizing intramolecular crosslinking based on nucleophilic aromatic substitution reaction. The linear polymeric precursor comprising dichlorotriazine (DCT) moiety as a reactive pendant group is synthesized via ring-opening metathesis polymerization (ROMP). The reactive chlorine atoms on DCT motifs are substituted with a dithiol nucleophile in varying degrees to yield individually intramolecularly crosslinked polymer nanoparticles. In addition, double-collapse and modification reactions are exploited through the substitution reaction from the remaining unreacted chlorine atoms. A significant reduction in hydrodynamic volumes of the corresponding SCNPs is observed compared to their linear analogues. The obtained nanoparticles are characterized by size exclusion chromatography (SEC), proton nuclear magnetic resonance spectroscopy (1H NMR), diffusion-ordered spectroscopy (DOSY), dynamic light scattering (DLS), and transmission electron microscopy (TEM) techniques.

Orijinal dilİngilizce
Makale numarası112694
DergiEuropean Polymer Journal
Hacim203
DOI'lar
Yayın durumuYayınlandı - 19 Oca 2024

Bibliyografik not

Publisher Copyright:
© 2023 Elsevier Ltd

Finansman

This work was supported by the Scientific Research Projects Departments of Istanbul Technical University (ITU BAP Project Number: TDK-2023-44655 ). B. A. T. acknowledges the resources and support from the Drug Application and Research Center (ILMER) at Bezmialem Vakif University.

FinansörlerFinansör numarası
Drug Application and Research Center
ILMER
Istanbul Teknik Üniversitesi
Bezmialem Vakıf Üniversitesi
Bilimsel Araştırma Projeleri Birimi, İstanbul Teknik ÜniversitesiTDK-2023-44655

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