Table 6. Optimized Reaction Conditions from DoE to Prepare Epoxidized Butyl Rubber at 15 Min Reaction Time.

run	equiv of Oxone	equiv of NaHCO3	equiv of acetone	% of epoxide at 15 min from DoE	% of epoxide at 15 min from exp
1	3.10	5.3	72.0	56	54
2	2.90	2.5	70.3	50
3	3.1	2.7	63.9	40
4	3.1	2.5	56.4	30	22
5	3.1	2.6	46.0	20
6	3.1	2.5	25.7	12	10