Table 1. Initial Oxygen Absorption Temperature of Resin Acids.
sample | atmosphere | Tabs (K) | T0 (K) | max. SHR (K/min) | tmax (min) |
---|---|---|---|---|---|
levopimaric acid | O2 | 353.04 | 354.01 | 1.118 | 57.87 |
neoabietic acid | O2 | 353.13 | 353.83 | 11.958 | 80.47 |
dehydroabietic acid | O2 | 387.71 | 398.20 | 0.199 | 572.38 |
levopimaric acid | N2 | no absorption | not exothermic | 0 | no reaction |
neoabietic acid | N2 | no absorption | not exothermic | 0 | no reaction |
dehydroabietic acid | N2 | no absorption | not exothermic | 0 | no reaction |