反应详情

To a 2000 ml Erlenmeyer flask equipped with a mechanical stirrer containing 990 g (13.2 moles) of 2-methoxyethanol available from Union Carbide as "methyl cellosolve", were added sequentially over several hours the following components: 4.9 g of a polyvinylformal resin commercially available from Monsanto as "Formvar 12/85", 4.9 g of a polymeric condensation product of 4-(phenylamino)-2-methoxybenzene diazonium salt and bis-(4-methoxymethylphenyl) ether, isolated in the form of a mesitylene-sulfonate, as described in U.S. Pat. No. 3,849,393, assigned to Kalle AG, 0.049 g (0.18 mmole) 4-phenylazodiphenylamine, and 0.111 g (0.96 mmole) of 85% aqueous phosphoric acid. After stirring at room temperature for one hour, the solution was filtered through coarse filter paper. This solution will hereinafter be called Stock Solution A.

1. customTo a 2000 ml Erlenmeyer flask equipped with a mechanical stirrer
2. additionwere added sequentially over several hours the following components