Reinforced Hydrogels via Carbon Nitride Initiated Polymerization

Baris Kumru, Menny Shalom, Markus Antonietti, Bernhard V.K.J. Schmidt

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

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.

Original languageEnglish
Pages (from-to)1862-1869
Number of pages8
JournalMacromolecules
Volume50
Issue number5
DOIs
StatePublished - 14 Mar 2017

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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