ABSTRACT
Inclusion of Z, the so-called microadditive into PBT results in the polymer
matrix structural changes. These structural changes may be described by variation
in fractal dimensionality 4 of the polymer structure that characterizes the distribution of elements (statistical segments) from which the polymer is spatially built. However, this value does not provide specific features of the polymer
structure. The d1 value was estimated from the ratio [ 1]
(5.1)
where cry is the yield stress, and E is the elasticity modulus.
