4. find) Using the data in the table below (where r is the reactivity ratios of some monomers, (15-points) i. Which of these (if any) will generate an alternating copolymer ii.

Which of these (if any) will generate a random copolymer. Which of these (if any) will generate a block copolymer. Monomer 1 Acrylonitrile 1,3-Butadiene Monomer 2 Styrene Vinyl acetate 1,3-Butadiene Methyl methacrylate Styrene Vinyl acetate Vinyl chloride Methyl methacrylate Styrene Vinyl chloride Methyl methacrylate Styrene Vinyl acetate Vinyl chloride Vinyl acetate Vinyl chloride Vinyl chloride "₁ 12 0.02 0.30 0.15 1.22 0.04 0.40 4.2 0.05 2.7 0.04 0.75 0.25 1.35 0.58 8.8 0.035 0.46 0.52 20 0.015 10 0.1 55 0.01 17 0.02 0.23 1.68 T (°C) 40 80 60 50 60 90 50 50 60 60 68 60 60 60