期刊
RSC ADVANCES
卷 4, 期 84, 页码 44750-44756出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra06329e
关键词
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资金
- National Natural Science Foundation of China [51273118]
- Provincial Science and Technology Pillar Program of Sichuan [2013FZ0006]
- Program of JPPT [115-5-1716]
In this paper, the possibility of improving the damping properties of epoxy resin through dispersion of silicone-intercalated organic montmorillonite was investigated. Flexible silicone macromolecules were inserted into organo-modified montmorillonite (OMMT) by intercalation to prepare a layered structure that is similar to a constrained layer damping structure unit. The effects of silicone macromolecule type, weight ratio of silicone-OMMT and solvent for the intercalation on the structure and properties of the composites were studied by X-ray diffraction (XRD), dynamic mechanical analysis (DMA), and transmission electron microscopy (TEM). The influence of the silicone-intercalated OMMT with different content on the damping properties of the materials was also investigated. The damping properties of the final, cured materials were probed using DMA. Analysis by XRD and TEM proved that the silicone-intercalated OMMT had been successfully prepared using an appropriate process. The presence of the silicone-intercalated OMMT decreased the glass transition temperature (T-g) of the epoxy, and the epoxy-nanocomposites achieved a better damping performance.
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