Polyisobutylene, dynamic mechanical measurements

FIG. 13.24 Frequency-temperature correlation map for dynamic mechanical, dielectric and NMR measurements on Polyisobutylene. The a and P relaxation regions are shown. Measurements ( ) NMR (O) Dielectric ( ) Mechanical. The full lines are the WLF equation (curved) and the Eyring Equation (straight). From Schlichter (1966). Courtesy John Wiley Sons, Inc. 

FIGURE 6.9 Loss tangent of polyisobutylene measured by dynamic mechanical spectroscopy and calculated from the recoverable creep compliance. These are not master curves the abscissa is the actual frequency (Plazek et al., 1995). 

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