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  Carbon nitride-coated transparent glass vials as photoinitiators for radical polymerization

Kumru, B., Giusto, P., & Antonietti, M. (2021). Carbon nitride-coated transparent glass vials as photoinitiators for radical polymerization. Journal of Polymer Science. doi:10.1002/pol.20210655.

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 Creators:
Kumru, Baris1, Author              
Giusto, Paolo2, Author              
Antonietti, Markus3, Author              
Affiliations:
1Baris Kumru, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3202957              
2Paolo Giusto, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_3245192              
3Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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Free keywords: carbon nitride polymer, controlled polymerization, photoactive thin film, photoactive vial, photopolymerization
 Abstract: Benign polymerization routes offer new perspectives in current polymer technology. Especially for automated or continuous flow synthesis of polymers, new devices and principles have to be considered by the means of minimizing addition or separation sequences as well as the type of a polymer initiation. Near-UV and visible light-induced polymerization utilizing metal-free semiconductor polymeric carbon nitride (pCN) as heterogeneous photocatalyst was a first step into this direction. Moving from heterogeneous powder catalysis (which still requests catalyst separation) to surface photocatalysis via coating glass tubes or vials with pCN thin films is presented. Performance and effectivity of those photoactive reactors are proven by free radical photopolymerization of variety of monomers. Reusability of vials is demonstrated via reversible addition-fragmentation chain-transfer polymerization-assisted block copolymer synthesis. This strategy eliminates the necessity of adding or removing initiators, works at room temperature, and offers a platform for cheap and effective polymer synthesis at the age of automated synthesis.

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Language(s): eng - English
 Dates: 2021-10-19
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/pol.20210655
 Degree: -

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Title: Journal of Polymer Science
Source Genre: Journal
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Publ. Info: Hoboken, NJ : Wiley
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: ISSN: 2642-4150