Compounds

% Conversion

Ea (kJ/mole)

lnZ (1/s)

Polystyrene

3.0

179.74

25.35

5.0

197.76

28.87

8.0

195.70

28.59

12.0

197.22

28.97

18.0

198.01

29.24

26.0

200.36

29.83

Poly(4-methylstyrene)

3.0

175.93

24.82

5.0

174.40

24.57

8.0

177.32

25.24

12.0

179.61

25.81

18.0

184.08

26.79

26.0

188.33

27.71

Poly(4-chlorostyrene)

3.0

80.47

10.26

5.0

89.73

11.80

8.0

95.83

12.55

12.0

101.13

12.96

18.0

118.79

15.74

26.0

156.85

22.38

Poly(4-bromostyrene)

3.0

241.31

37.26

5.0

223.45

33.89

8.0

211.87

31.74

12.0

207.98

31.06

18.0

201.95

30.02

26.0

197.61

29.32