Advances in Chemistry / 2014 / Article / Tab 3

Research Article

Synthesis and Characterization of Novel Processable and Flexible Polyimides Containing 3,6-Di(4-carboxyphenyl)pyromellitic Dianhydride

Table 3

Thermal stability of the polyimides (PI-1–PI-6).

Polymer code (°C)Thermal stability
(°C)a (°C)b (°C)cChar yield (%)d

PI-125045548050058
PI-232547049849860
PI-327049852549565
PI-428046048552559
PI-533549051552063
PI-631049852049664

%, %: temperatures at 5, 10% weight loss, respectively.
cTemperature of maximum decomposition rate.
dResidual weight when heated to 600°C in nitrogen.