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Number-average relative chain length

The ratio of the rate of polymerization and the rate of initiation is an important parameter in chain polymerization reactions and is known as average kinetic chain length y. This parameter gives the average number of monomer units per chain initiated. Using rel. (2.3.17) and (2.3.12) the expression for y can be obtained in the form ... [Pg.82]

After the induction time with the radical build up, the chemical system reaches a steady state, where the reaction cycles through the chain steps (R5) and (R7) at a constant rate. Under these conditions the total rate of the initiation steps equals the total rate of termination (i.e., Rg = R6b + Rs). The average number of propagation steps that occurs between initiation and termination is called the chain length. It is determined by the relative rates of the propagation steps (R5, R7) compared to the initiation/termination steps (R6/R6b, R8). [Pg.555]

See other pages where Number-average relative chain length is mentioned: [Pg.288]    [Pg.304]    [Pg.288]    [Pg.304]    [Pg.1340]    [Pg.2]    [Pg.219]    [Pg.180]    [Pg.3342]    [Pg.80]    [Pg.340]    [Pg.199]    [Pg.192]    [Pg.315]    [Pg.233]    [Pg.200]    [Pg.162]    [Pg.140]    [Pg.95]    [Pg.321]    [Pg.91]    [Pg.342]    [Pg.350]    [Pg.67]    [Pg.321]    [Pg.80]    [Pg.375]    [Pg.103]    [Pg.378]    [Pg.351]    [Pg.315]    [Pg.157]    [Pg.277]    [Pg.691]    [Pg.216]    [Pg.243]    [Pg.332]    [Pg.318]    [Pg.320]    [Pg.87]    [Pg.246]    [Pg.206]    [Pg.274]    [Pg.162]    [Pg.273]    [Pg.277]    [Pg.470]    [Pg.49]    [Pg.87]    [Pg.38]   
See also in sourсe #XX -- [ Pg.288 ]



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Length Numbering

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Number-average relative chain

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