Interpenetration contour length

The number of monomers that have crossed from one side of the interface to the other is equivalent to the total interpenetration contour length, LqCO = n(t)l(t). By summing over the segment density profiles of the interdiffused minor chains, one obtains... 

In which X is the average monomer interpenetration distance, L is the contour length of interdiffused chains and n(t) is the number of chains diffused at time t. The time and molecular weight dependence of these molecular properties are given in Table 1. 

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