Introduction Since it was found that cetyltrimethylammonium bromide (CTMAB) can increase greatly the sensitivity of the tin (Ⅳ)-pyrocatechol violet (PV) system
Methyl methacrylate(MMA) polymerized in the presence of a new homogeneous catalyst of Y(acac)3-(i-Bu)3Al-BuLi. The effects of MMA/Y, Al/Y, Li/Y molar ratios, po