反应详情

According to the same procedures as described in the foregoing, a mixture of 250 parts of 0.7% aqueous solution of polyvinyl alcohol, and a solution which was obtained by dissolving 8 parts of ##STR38## into a mixed solution of 50 parts of styrene monomer and 50 parts of methyl methacrylate, was subjected to polymerization at 70° C. for 3 hours thereby obtaining 98 parts of a copolymer of styrene-methyl methacrylate.

1. customa solution which was obtained
2. customwas subjected to polymerization at 70° C. for 3 hours