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Functional polymers

29. Polymerizable acrylic ultraviolet absorbers with two benzotriazole groups in the molecules

  • Functional Polymers
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Abstract

Acrylates and methacrylates of 1,3(2,4-dihydroxyphenyl)-di(2H-benzotriazole) and 1,3(2,4,6-trihydroxyphenyl)-di(2H-benzotriazole) have been prepared by treating acrylic acid or methacrylic acid with N,N′-dicyclohexyl carbodiimide and then allowing this mixture to react with the phenolic ultraviolet absorbers to give 1,3[2-hydroxy-4-acryloxy(methacryloxy)phenyl]-di(2H-benzotriazole) and 1,3[2,6-dihydroxy-4-acryloxy(methacryloxy)phenyl]-di(2H-benzotriazole). The yield of the esters was from 10 to 30%; they were characterized by their infrared, 1H, and 13C NMR spectra; their polymerizability was demonstrated. The compounds had X of 330 to 335 nm with extinction coefficients ranging from 3.0 to 3.5×104 L/mol·cm.

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Authors and Affiliations

  1. Polytechnic Institute of NewYork, 333 Jay Street, 11201, Brooklyn, NY, USA

    Shanjun Li, Ann Christine Albertsson & Otto Vogl

  2. Jet Propulsion Laboratory, California Institute of Technology, 91109, Pasadena, CA, USA

    Amitava Gupta

  3. Polymer Science and Engineering Department, University of Massachusetts, 01003, Amherst, MA, USA

    Walter Bassett Jr.

Authors
  1. Shanjun Li
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  2. Amitava Gupta
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  3. Ann Christine Albertsson
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  4. Walter Bassett Jr.
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  5. Otto Vogl
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Li, S., Gupta, A., Albertsson, A.C. et al. Functional polymers. Polymer Bulletin 12, 237–243 (1984). https://doi.org/10.1007/BF00275974

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  • DOI: https://doi.org/10.1007/BF00275974

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