Research Article

Nucleating Effect of Carbon Nanoparticles and Their Influence on the Thermal and Chemical Stability of Polypropylene

Figure 2

Variation of CO and NO2 groups with the time of immersion in nitric acid, as taken from the peaks at 1555 (NO2) and 1710 (CO) cmāˆ’1 in the IR absorbance diagrams.
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