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  Reinforced hydrogels via carbon nitride initiated polymerization

Kumru, B., Shalom, M., Antonietti, M., & Schmidt, B. V. K. J. (2017). Reinforced hydrogels via carbon nitride initiated polymerization. Macromolecules, 50(5), 1862-1869. doi:10.1021/acs.macromol.6b02691.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002C-8C8E-C Version Permalink: https://hdl.handle.net/21.11116/0000-0007-F3DA-1
Genre: Journal Article

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 Creators:
Kumru, Baris1, Author           
Shalom, Menny2, Author           
Antonietti, Markus3, Author           
Schmidt, Bernhard V. K. J.1, Author           
Affiliations:
1Bernhard Schmidt, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2149676              
2Menny Shalom, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2205635              
3Markus Antonietti, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863321              

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 Abstract: The utilization of graphitic carbon nitride (g-CN) as photoinitiator for hydrogel formation is reported. On top of the photochemical activity, g-CN entails the role of a reinforcing agent. Hydrogels formed via g-CN (0.6 wt % g-CN and 11 wt % solid content in total) possess significantly increased mechanical strength, around 32 times stronger storage moduli (from 250 Pa for the reference sample up to 8300 Pa for g-CN derived hydrogels) than the ones initiated with common radical initiators. In addition, the g-CN derived hydrogels show mechanical properties that are pH dependent. Therefore, g-CN acts as a photoinitiator for hydrogel formation and as reinforcer at the same time.

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 Dates: 2017-02-242017
 Publication Status: Issued
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 Identifiers: DOI: 10.1021/acs.macromol.6b02691
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Title: Macromolecules
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 50 (5) Sequence Number: - Start / End Page: 1862 - 1869 Identifier: ISSN: 0024-9297