Functionalization at the double-bond region of jojoba oil. 9. Solid-state nuclear magnetic resonance characterization of substituted jojoba wax chemically bonded to a polystyrene matrix

Sofia Binman, Shimon Vega, Sofia Belfer, Arnon Shani

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Abstract

Solid extradants for metal ions have been prepared by chemical bonding of jojoba wax to a polystyrene backbone, followed by phosphonation or sulfur-chlorination of the jojoba moiety. In this study, the intermediates and final solid products of the reactions were characterized by solid-state 13C and 31P nuclear magnetic resonance spectroscopy. The spectra showed the expected chemical shifts of the atoms involved in the chemical reactions, as well as other parts of the reacting molecules. Thus, the carbonyl carbon of the jojoba chain appears at 175 ppm, the methyl carbons at 15 ppm, the polystyrene backbone at 40-42 ppm (aliphatic carbons) and 128, 137, 143-147 (aromatic carbons). Carbons adjacent to N, S, and P appear at 45-55, 60, and 48 ppm, respectively.

Original languageEnglish
Pages (from-to)521-525
Number of pages5
JournalJAOCS, Journal of the American Oil Chemists' Society
Volume75
Issue number4
DOIs
StatePublished - 1 Jan 1998

Keywords

  • Chemically bonded oil to polystyrene
  • Jojoba oil
  • Phosphonated jojoba oil
  • Solid-state NMR
  • Sulfur-chlorinated jojoba oil

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