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  Upgrading poly(styrene-co-divinylbenzene) beads : incorporation of organomodified metal-free semiconductor graphitic carbon nitride through suspension photopolymerization to generate photoactive resins

Esen, C., Antonietti, M., & Kumru, B. (2021). Upgrading poly(styrene-co-divinylbenzene) beads: incorporation of organomodified metal-free semiconductor graphitic carbon nitride through suspension photopolymerization to generate photoactive resins. Journal of Applied Polymer Science, 138(35): 50879. doi:10.1002/app.50879.

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 Creators:
Esen, Cansu1, Author              
Antonietti, Markus2, Author              
Kumru, Baris1, Author              
Affiliations:
1Baris Kumru, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3202957              
2Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Free keywords: catalysts, crosslinking, photochemistry, photopolymerization, porous materials
 Abstract: The inclusion of the metal free semiconductor graphitic carbon nitride (g-CN) into polymer systems brings a variety of new options, for instance as a heterogeneous photoredox polymer initiator. In this context, we present here the decoration of the inner surface of poly(styrene-co-divinylbenzene) beads with organomodified g-CN via one pot suspension photopolymerization. The resulting beads are varied by changing reaction parameters, such as, crosslinking ratio, presence of porogens, and mechanical agitation. The photocatalytic activity of so-formed beads was tested by aqueous rhodamine B dye photodegradation experiments. Additionally, dye adsorption/desorption properties were examined in aqueous as well as in organic solvents. Photoinduced surface modification with vinylsulfonic acid and 4-vinyl pyridine is introduced. Overall, metal-free semiconductor g-CN donates photoactivity to polymer networks that can be employed for dye photodegradation and acid–base catalyst transformation through facile photoinduced surface modifications.

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Language(s): eng - English
 Dates: 2021-05-042021
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1002/app.50879
BibTex Citekey: https://doi.org/10.1002/app.50879
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Title: Journal of Applied Polymer Science
  Other : J. Appl. Polym. Sci.
Source Genre: Journal
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Publ. Info: New York : Wiley Periodicals LLC.
Pages: - Volume / Issue: 138 (35) Sequence Number: 50879 Start / End Page: - Identifier: ISSN: 0021-8995