The search of new luminophores with predetermined physicochemical and chemical properties. ХIIІ. Сopolymers of acrylamide and acrylic acid with 3-аryl-1-phenyl- 5 -(2-furyl)-2-pyrazolines

  • Anatoliy P. Shkumat V.N. Karazin Kharkiv National University https://orcid.org/0000-0001-9705-6235
  • Yulia S. Ivanova V.N. Karazin Kharkiv National University
Keywords: synthesis, acrylamide, polyacrylamide, acrylic acid, polyacrylic acid, copolymers, 3-аryl-1-phenyl-5-(2-furyl)-2-pyrazoline, IR spectra, luminophores, absorption and fluorescence spectra

Abstract

A number of water-soluble copolymers with luminescent properties has been synthesized based on acrylamide, acrylic acid and 3-аryl-1-phenyl-5-(2-furyl)-2-pyrazolines. Polar aprotic solvents with boiling temperature above 70°C (dioxane, ethyl acetate) and several initiators of radical polymerization (benzoyl peroxide, azobisisobutyric acid dinitrile) were used for copolymerization. 3-Aryl-1-phenyl-5-(2-furyl)-2-pyrazolines [aryl: 4-biphenylyl, 4-bromo-phenyl-, 4-chlorophenyl-, 4-N-acetylamino)phenyl)-, 2-thienyl-] possess intrinsic fluorescence. The formation of copolymers is confirmed by spectral studies. The analysis of IR-spectra of copolymers indicates the presence of the following structural fragments: − CONH2, − COOH, СН3СО−, −СН<, −СН2−, as well as of the aromatic systems. The comparative analysis of absorption and fluorescence spectra of initial compounds and copolymers shows that the chromophoric systems, which are responsible for the long-wave Sо → S1 transitions and the fluorescence in monomers and synthesized polymers, are preserved in the process of synthesis.

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Published
2017-12-27
Cited
How to Cite
Shkumat, A. P., & Ivanova, Y. S. (2017). The search of new luminophores with predetermined physicochemical and chemical properties. ХIIІ. Сopolymers of acrylamide and acrylic acid with 3-аryl-1-phenyl- 5 -(2-furyl)-2-pyrazolines. Kharkiv University Bulletin. Chemical Series, (29), 61-68. https://doi.org/10.26565/2220-637X-2017-29-06