Sodium Vinyl Sulfonate (25% sol'n.)/3.00 g Ferric Sulfate Hydrate/0.09 g D: Feed 2 Sodium Vinyl Sulfonate (25% sol'n.)/25.8 ml "Discolite" Sol'n./139.5 ml "Surfynol" 104/1.50 g Deionized Water/93.6 ml Sodium Persulfate (10% sol'n.)/43.2 ml Sodium Acetate/14.4 ml EDTA Disodium Salt/0.18 g E: Feed 3: Monomer Blend Residue of Blend I Monomer Blend/30.00 ml Blend I: Vinyl Acetate Monomer/662.40 g Butyl Acrylate Monomer/172.8 g Deionized Water/360 ml Sodium Persulfate (10% sol'n.)/14.40 ml "Discolite" Sol'n./4.50 ml