Question: For a linear polymer molecule, the total chain length L depends on the bond length between chain atoms d, the total number of bonds in






For a linear polymer molecule, the total chain length L depends on the bond length between chain atoms d, the total number of bonds in the molecule N, and the angle between adjacent backbone chain atoms , as follows: L=Ndsin(2) Furthermore, the average end-to-end distance for a series of polymer molecules r in Figure 4.6 is equal to r=dN A linear poly(vinyl chloride) has a number-average molecular weight of 500000g/mol; compute average values of L and r for this material. Calculate the repeat unit molecular weight of poly(vinyl chloride) in g/mol. Click here to access Table 4.3. Atomic weights for several elements are included in the following table: m= g/mol What is the degree of polymerization of this polymer if the number-average molecular weight is 500000g/mol ? DP= What is the total number of chain bonds in an average molecule? N= What is the total chain length L in nm ? L= Calculate the average chain end-to-end distance, r, in nm. r=nm
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