choical Chemistry Reaction Kinetic Free-Radical polymerizations c)ermination k m=0,1,2, n=0.12 m+n Assume that the rate of termination is independent of the length of the chain, the rate of change of radical concentration by this process is ● -2k,[M (17.101 The total radical concentration is approximately constant throughout the main part of the polymerization the rate at which radicals are formed by initiation the rate at which they are removed by termination)8 Free-Radical Polymerizations Physical Chemistry m n k Mn Mm ⎯⎯t→M + (c) Termination • +• m = 0,1,2,  , n = 0,1,2,  2 r k [ M ] t = • Assume that the rate of termination is independent of the length of the chain, the rate of change of radical concentration by this process is The total radical concentration is approximately constant throughout the main part of the polymerization. (the rate at which radicals are formed by initiation  the rate at which they are removed by termination) 2 2 [ ] [ ] k M dt d M t = − • • (17.101) Reaction Kinetics