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[資源]
關于CNT分散性的幾篇文獻介紹
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[1]Carboxylation treatment of multiwalled carbon nanotubes monitored by infrared and ultraviolet spectroscopies and scanning probe microscopy 使用AFM、FTIR、UV/Vis來分析和研究混合濃硝酸濃硫酸處理后MWNT的形態(tài)及處理的效果。 [2]Analyzing the quality of carbon nanotube dispersions in polymers using scanning electron microscopy 看題目就知道了吧！SEM觀察CNT在基體中的分散情況。文章里面介紹的比較詳細。 [3]Influence of dispersion states of carbon nanotubes on physical properties of epoxy nanocomposites 該文介紹了CNT不同分散程度對環(huán)氧樹脂復合材料的流變學、機械性能、導電性、熱性能的影響。用FESEM和TEM表征了CNT的分散情況。。。。 [4]General Strategies for Nanoparticle Dispersion 發(fā)表在Science 2006年3.24 VOL311 上的一篇文章，我還沒來得及看。把摘要帖上來，大家自己看吧。 Traditionally the dispersion of particles in polymeric materials has proven difficult and frequently results in phase separation and agglomeration. We show that thermodynamically stable dispersion of nanoparticles into a polymeric liquid is enhanced for systems where the radius of gyration of the linear polymer is greater than the radius of the nanoparticle. Dispersed nanoparticles swell the linear polymer chains, resulting in a polymer radius of gyration that grows with the nanoparticle volume fraction. It is proposed that this entropically unfavorable process is offset by an enthalpy gain due to an increase in molecular contacts at dispersed nanoparticle surfaces as compared with the surfaces of phase-separated nanoparticles. Even when the dispersed state is thermodynamically stable, it may be inaccessible unless the correct processing strategy is adopted, which is particularly important for the case of fullerene dispersion into linear polymers. [ Last edited by gshsheng on 2009-6-20 at 13:20 ] |
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