Abstract
AbstractThe phenomenological interpretation of shear curves is refined by application of the fluctuation dissipation theorem and the WIENER‐KHINTCHIN theorem. The loss peaks of shear modulus and compliance near the glass transition of amorphous polymers can be attributed to two different molecular motions. An interpretation of the two peaks by one kind of molecular motion (uniform model) would imply that its flanks two logarithmic frequency decads away from the center were significantly more intensive than other molecular motions at these frequencies.
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