Abstract
Abstract Photo- and thermal polymerizations of methyl methacrylate (MMA) in the presence of α-tocopherol were investigated in air or in vacuo. α-Tocopherol at higher concentrations inhibits both the photopolymerization of MMA sensitized by benzoin ethyl ether and the thermal polymerization induced by benzoyl peroxide, but at lower concentrations is able to initiate photopolymerization of MMA under aerobic conditions. Spectral data indicate that a fraction of α-tocopherol is incorporated in the produced polymer chain.
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