SYNTHESIS OF TELECHELIC MONODISPERSED DIOLS .2. TELOMERIZATION OF UNDECYLENOL WITH BIS(2-MERCAPTO ETHYL) ETHER AND BIS(2-MERCAPTO ETHYL) SULFIDE AND PHYSICAL-PROPERTIES

The synthesis of telechelic monodispersed diols produced from the radical telomerization of an excess of undecylenol with commercialy available alpha, omega-dithiols HSC2H4XC2H4SH (X = O,S or CH2) initiated by peroxides is presented. In each case, the diols were obtained selectively and quantitatively and they were characterized by both H-1 and C-13 NMR. Their physical characteristics (Tg, T(m) and decomposition temperatures) were determined. Such compounds are thermally more stable than polydispersed telechelic commercially available diols.