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The chain length dependence of self-diffusion in melts of polyethylene and polystyrene

✍ Scribed by G. Fleischer

Publisher
Springer
Year
1987
Weight
533 KB
Volume
265
Category
Article
ISSN
0340-255X

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## Abstract The self‐diffusion coefficient __D__ of paraffin and polyethylene meltsβ€”covering the range between __N__ = 19 and 10^3^ where __N__ is the number of monomeric unitsβ€”was measured by the pulsed‐magnetic‐field‐gradient NMR method for diffusion times between 3 ms and 1 s. For the paraffins,