Blend, definition relaxations

Equations (3.60) through (3.62) can be tested on the basis of a formal blending law of the complex modulus, = Xx=a,b Gx (ra) with Gx (co) being the bare (nonnormalized) complex modulus of the component X in the blend. (This definition of Gx (co) is identical to thaf utilized in Equation 3.58.) As explained earlier, the CR effect on the viscoelastic relaxation changes on... 

It is also clear that activity of a filler should be related to any definite property of material. It was proposed to introduce the concept of structural, kinetic, and thermod3uiamic activity of fillers. Structural activity of a filler is its abihty to change the polymer structure on molecular and submolecular level (crystallinity degree, size and shape of submolecular domains, and their distribution, crosslink density for network pol3rmers, etc.). Kinetic activity of a filler means the ability to change molecular mobility of macromolecides in contact with a solid surface and affect in such a way the relaxation and viscoelastic properties. Finally, thermodynamic activity is a filler s ability to influence the state of thermodynamic equilibrium, phase state, and thermodynamic parameters of filled polymers — especially important for filled poljmier blends (see Chapter 7). 

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