Molecular weight data for some polymer are tabulated here. Compute the following: (a) The numberaverage molecular weight
Question:
Molecular weight data for some polymer are tabulated here. Compute the following:
(a) The numberaverage molecular weight
(b) The weightaverage molecular weight.
(c) If it is known that this material's degree of polymerization is 477, which one of the polymers listed in Table 14.3 is this polymer? Why?
Transcribed Image Text:
Molecular Weight Range g/mol Xị Wi 0.05 0.02 8,000–20,000 0.08 20,000–32,000 0.15 0.17 32,000–44,000 0.21 44,000–56,000 0.28 0.29 0.23 56,00068,000 0.18 68,000–80,000 0.10 0.16 0.05 0.03 80,00092,000
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Related Book For
Materials Science and Engineering An Introduction
ISBN: 9781118324578
9th edition
Authors: William D. Callister Jr., David G. Rethwisch
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