Combination of photoinduced ATRP and click processes for the synthesis of triblock copolymers

Gorkem Yilmaz*

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkıMakalebilirkişi

Özet

ABA type triblock copolymers possessing polystyrene as middle segment and poly(ε-caprolactone) (PCL) and poly(ethylene glycol) (PEG) as side segments were synthesized by combining two photochemical strategies, namely photoinduced atom transfer radical polymerization (ATRP) and click processes. For this purpose, α,ω-diazido functional polystyrene (N3-PS-N3) was synthesized by photoinduced ATRP using a bifunctional initiator, followed by a simple substitution of the chain end halides. Parallel to this, the alkyne-PCL was synthesized by ring opening polymerization of ε-caprolactone, employing propargyl alcohol as initiator. For the synthesis of alkyne-PEG, industrially available PEG was functionalized by a simple esterification reaction using 5-pentynoic acid. After the syntheses of these alkyne functional polymers as clickable counterparts, they were reacted with N3-PS-N3 by photoinduced click reactions to prepare the desired triblock copolymers. All polymers were characterized by NMR, FTIR, and GPC analyses.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)727-736
Sayfa sayısı10
DergiJournal of the Turkish Chemical Society, Section A: Chemistry
Hacim5
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 2018

Bibliyografik not

Publisher Copyright:
© 2018, Turkish Chemical Society. All rights reserved.

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