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THEORIES & MODELS
1902
1935,1940
1998-2006
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Self-diffusion is faster than tracer diffusion ??
"...one of the biggest remaining mysteries in polymer physics"
with
2
-
:
D M
n-Alkanes in ldpe, 40C
Vitrac et al. (2006)
J. Food Eng.
since
there
are
smaller than the
entanglement length
(~30C), reptation is
not possible !
n-Alkanes together
lead to
=1, but
they lead to
=2
when they are in PE
!!
Beyond C18, one
gets
=3,4.