ArticleMaterials (Basel, Switzerland)2023
New Azo Derivatives of Ethanol Lignin: Synthesis, Structure, and Photosensitive Properties.
Article in Materials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 11 citations in OpenAlex.
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- Absorption spectra of p-nitroaniline derivatives: charge transfer effects and the role of substituents.Journal of molecular modeling · 2024Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Water-soluble azo derivatives of lignin were synthesized by the azo coupling reaction using organosolv ethanol lignin and diazonium salts based on sulfanilic acid and p-nitroaniline. The structure of azo derivatives of lignin were studied by nuclear magnetic resonance, Fourier-transform infrared spectroscopy, and gel permeation chromatography. It was found that the azobenzene bonds formed in the azo coupling reaction of macromolecules impart the photosensitive properties to the synthesized polymers via cis-trans photoisomerization of the diazobenzene group. It was shown experimentally that the synthesized polymers exhibited good solubility both in the aqueous media in a wide (2-12) pH range and in DMSO and THF organic solvents, which opens up new prospects for their application.
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