Thienothiophene and biphenyl based conjugated porous polymer as a photocatalyst for visible light induced free radical and cationic polymerization

Recep Isci, Emirhan Gencosman, Yusuf Yagci, Turan Ozturk*

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8 Atıf (Scopus)

Özet

Over the last few decades, photopolymerization has been the center of great attention owing to a variety of desirable features such as mild reaction conditions, cost efficiency and especially, spatiotemporal controllability. In particular, visible light induced polymerizations have been attracting considerable attention due to the concerns on cost efficiency, light penetration and environment safety. In this work, a crosslinked conjugated polymer, TT-BP, was designed and synthesized by Pd (0) catalyzed Suzuki coupling reaction. It was used as a photocatalyst for visible light induced free radical and cationic polymerizations in the presence of diphenyliodonium salt. The reactions were performed for 8 and 24 h in high yields, for which the photocatalyst TT-PB was used repeatedly for each reaction. The maximum conversion reached to 76 % in free radical polymerization of MMA, while the maximum conversion was obtained in cationic polymerization of IBVE with 82 %. This report on reusable conjugated polymer that have been used as a photocatalyst during free-radical and cationic photopolymerizations may lead to the emergence of a new perspective for photocatalyst and photopolymerization processes.

Orijinal dilİngilizce
Makale numarası115427
DergiJournal of Photochemistry and Photobiology A: Chemistry
Hacim449
DOI'lar
Yayın durumuYayınlandı - 1 Nis 2024

Bibliyografik not

Publisher Copyright:
© 2023 Elsevier B.V.

Finansman

We thank Higher Education Council of Turkey (YOK) and TUBITAK grants to Recep Isci (PhD, 100/2000 YOK, 2214A and 2211A BIDEP/TUBITAK), Istanbul Technical University (ITU) and Unsped Global Lojistik, Turkey, for financial support and Prof. Mehmet S. Eroglu of Marmara University for SEM measurements.

FinansörlerFinansör numarası
Higher Education Council of Turkey
YOK2211A BIDEP/TUBITAK, 2214A
Istanbul Teknik Üniversitesi
Marmara Üniversitesi

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