Samples

Storage modulus (Pa)

Tan delta

Tg^* (˚C)

Modulus at Tg

Tan delta at Tg

30˚C

70˚C

140˚C

30˚C

70˚C

140˚C

PVC/2 phr com. therm. stab.

1.70E09

1.67E08

3.25E06

0.024

0.074

0.142

76.2

3.68E7

1.005

PVC/1 phr tannin-Ca complex

1.716E09

1.97E08

3.00E06

0.033

0.737

0.173

75.9

3.95E07

1.115

PVC/2 phr tannin-Ca complex

1.88E09

2.60E08

3.324E6

0.0236

0.653

0.154

76.8

4.04E07

1.113

PVC/3 phr tannin-Ca complex

1.90E9

2.06E08

2.88E6

0.0223

0.731

0.127

76.1

4.312E07

1.112