Constitutive Investigation on Viscoelasticity of PolyVinyl Butyral: Experiments Based on Dynamic Mechanical Analysis Method

Table 1

Correlation coefficients of fifth-order GM model.

𝑇 (K)	223	233	243	253	263	273	283	293	303	313	323
𝑅1	0.848752	0.927142	0.986776	0.98841	0.991388	0.994569	0.995426	0.998158	0.999917	0.999933	0.998882
𝑅2	0.732023	0.613849	0.386564	0.348588	0.313536	0.075246	0.788232	0.994029	0.999926	0.999242	0.996427