Table 2. Results of the Curve Fitting Equations for the Pyrolysis Product Ratios of 2-Phenylpropene/Butadiene, 4-Phenylcyclohexene/Butadiene, 2-Phenylpropene/4-Vinylcyclohexene, and 4-Phenylcyclohexene/4-Vinylcyclohexene

Sample Curve fitting equation
2-Phenylpropene/Butadiene
Mixture   y = -0.00529x + 0.71000 (R2 = 0.953)
Each/Single   y = -0.00127x + 0.65432 (R2 = 0.246)
Vulcanizate   y = -0.00580x + 0.63793 (R2 = 0.855)
4-Phenylcyclohexene/Butadiene
Mixture   y = -0.00264x + 0.23167 (R2 = 0.764)
Each/Single   y = -0.00259x + 0.23252 (R2 = 0.978)
Vulcanizate   y = -0.00226x + 0.21573 (R2 = 0.954)
2-Phenylpropene/4-Vinylcyclohexene
Mixture   y = -0.00632x + 1.14906 (R2 = 0.795)
Each/Single   y = -0.00747x + 1.05335 (R2 = 0.178)
Vulcanizate   y = -0.01912x + 1.67873 (R2 = 0.677)
4-Phenylcyclohexene/4-Vinylcyclohexene
Mixture   y = -0.00385x + 0.36371 (R2 = 0.928)
Each/Single   y = -0.00525x + 0.37910 (R2 = 0.989)
Vulcanizate   y = -0.00628x + 0.52332 (R2 = 0.983)