Abstract

AbstractThe rate of photoinitiated (at wavelength λ = 365 nm) polymerization of methyl methacrylate (MMA) in acetone in the presence and/or absence of N,N‐dimethylaniline is retarded by zinc dichloride and by maleic anhydride (MAn). The rate of photoinitiated copolymerization of MMA with MAn in acetone is greatly enhanced in the presence of ZnCl2. The maximum copolymerization rate for a given ZnCl2 concentration is obtained for 1:1 mole ratio of MMA and MAn in the feed. It was established that ZnCl2 has no effect on the chemical composition of the MMA/MAn copolymer.

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