Molecule structure and thermal properties of a novel fluorocarbon nano material

摘要

In this paper, preparation approach of a novel fluorocarbon nano material was described. The molecule structure, thermal properties and morphology characterization of the fluorocarbon nano material were studied out by Fourier transform infrared spectroscopy (FTIR), thermal gravity and differential thermal analysis (TG-DTA), transmission electron microscope (TEM) and X-ray diffraction analysis (XRD). It was showed that the basic molecule structure of the fluorocarbon nano material was same as the raw material (FKM) except that a new C=C bond was produced in the fluorocarbon nano material at 1624cm-1. It was demonstrated that the morphology of the fluorocarbon nano material was unattached particles with particle size between 40-60nm under TEM. From TG-DTA curves, it was indicated that the fluorocarbon nano material was high thermal stabile, which oxidizing decomposing temperature in air and thermal decomposing temperature in N2 were 322℃ and 295℃, respectively. The XRD pattern showed that the diffraction peak of amorphous carbon was disappeared when the fluoronano material was baked in air at 350℃, and this result validates the oxidizing decomposing of the fluorocarbon nano material at 322℃of the TG-DTA curve.