3.2. TGA test
TGA tests allow us to investigate the thermal decomposition of the material. The results are given in Fig.3 and
Fig.4. In Fig.3, no obvious difference can be found in the curves of samples with nano-graphite. Both the two curves
reclosed each other with increasing of heating temperature. Also, the same tendency is found in the curves of mass
decomposition. Thus, it can be concluded that for sample with 0.5wt.% and 1wt.% nano-graphite, the thermal
decomposition behavior is the same. However, some differences can be found in the figure when pCBT resin with
nano-TiO2 in Fig.4. Firstly, even though the tendency of the weight lost curve is the same, but the left mass is
different when the heating temperature is 500oC. The sample with high content of fillers in it left more residue in the
figure, this is because that 2wt.% nano-TiO2 cannot melting during the heating and were left as residue. On the other
hand, it is clearly that the maximum decomposition rate of the sample with 2wt.% nano-TiO2 is small than that of
1wt.% sample. This means that the addition of nano-TiO2 can enhance the usage temperature of the material. Table
2 lists the calculate results that obtained in TGA curves, we can find that with the increasing of the nona-fillers, the
decomposition temperature decrease. Moreover, sample with TiO2 has a lower decomposition temperature than
graphite, which is 420.5oC and 418.3oC, respectively. On the other hand, the 5% mass lost temperature is nearly the
same for all the four samples. The maximum decomposition rate of the sample with TiO2 is a little higher than that
of graphite, which is about 2.5% and 2.35%, respectively.
3.2. TGA testTGA tests allow us to investigate the thermal decomposition of the material. The results are given in Fig.3 andFig.4. In Fig.3, no obvious difference can be found in the curves of samples with nano-graphite. Both the two curvesreclosed each other with increasing of heating temperature. Also, the same tendency is found in the curves of massdecomposition. Thus, it can be concluded that for sample with 0.5wt.% and 1wt.% nano-graphite, the thermaldecomposition behavior is the same. However, some differences can be found in the figure when pCBT resin withnano-TiO2 in Fig.4. Firstly, even though the tendency of the weight lost curve is the same, but the left mass isdifferent when the heating temperature is 500oC. The sample with high content of fillers in it left more residue in thefigure, this is because that 2wt.% nano-TiO2 cannot melting during the heating and were left as residue. On the otherhand, it is clearly that the maximum decomposition rate of the sample with 2wt.% nano-TiO2 is small than that of1wt.% sample. This means that the addition of nano-TiO2 can enhance the usage temperature of the material. Table2 lists the calculate results that obtained in TGA curves, we can find that with the increasing of the nona-fillers, thedecomposition temperature decrease. Moreover, sample with TiO2 has a lower decomposition temperature thangraphite, which is 420.5oC and 418.3oC, respectively. On the other hand, the 5% mass lost temperature is nearly thesame for all the four samples. The maximum decomposition rate of the sample with TiO2 is a little higher than thatof graphite, which is about 2.5% and 2.35%, respectively.
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