S. Binman et al., FUNCTIONALIZATION AT THE DOUBLE-BOND REGION OF JOJOBA OIL .7. CHEMICAL BINDING OF JOJOBA LIQUID WAX TO POLYSTYRENE RESINS, Journal of the American Oil Chemists' Society, 73(9), 1996, pp. 1075-1081
Jojoba wax was chemically bonded to a polystyrene matrix via a stable
C-C covalent bond. This was achieved by binding allyl-brominated jojob
a derivatives to lithiated crosslinked polystyrene-2% divinylbenzene o
r XAD-4 polymeric beads via a nucleophilic substitution reaction. The
double-bond regions in the jojoba wax were preserved. A side reaction
that accompanied the nucleophilic substitution was HBr elimination, wh
ich produced diene and triene systems in the bound jojoba. Phosphonati
on and sulfur chlorination at the double bonds oi the jojoba wax, bond
ed to the polystyrene matrix, were also performed.