埃洛石纳米管负载改性及其在智能防腐涂层中的应用研究进展

刘玲, 邵紫雅, 贾天越, 刘国强, 雷冰, 孟国哲

Research Progress on Application of Halloysite Nanotubes for Modification of Smart Anti-corrosion Coating

LIU Ling, SHAO Ziya, JIA Tianyue, LIU Guoqiang, LEI Bing, MENG Guozhe

表1 HNTs典型特征参数[25]

Table 1 Typical characteristic parameters of HNTs[25]

Chemical formula Al2O3·2SiO2·nH2O Length 0.2~2 μm Outer diameter 40~70 nm Inner diameter 15~40 nm Aspect ratio (L/D) 10~50 Elastic modulus (theoretical value) 140 GPa (230~340 GPa) Mean particle size in aqueous solution 143 nm Particle size range in aqueous solution 50~400 nm BET surface area 22.1~81.6 m2/g Pore space 14~46.8% Lumen space 11~39% Density 2.14~2.59 g/cm3 Average pore size 7.97~10.02 nm Structural water release temperature 400~600 ℃