POPCORN POLYMERIZATION OF 3,5-DIMETHYLSTYRENE
Occurrence of popcorn polymerization in 3,5-dimethylstyrene (DMS) without any seed was found. Methyl methacrylate (MMA) and methyl acrylate (MA), in which small amounts of DMS popcorn polymer were employed as a seed, caused popcorn polymerization.