Carbon nanotubes (CNTs) possessing unique structure and properties are attractive building blocks for novel materials and devices of important practical interest. However, the insolubility or poor dispersibility of pristine CNTs in common solvents poses a serious obstacle to their further development. To effectively utilize CNTs as building blocks for nanotechnology, CNTs have been covalently and noncovalently functionalized in a number of ways to render them soluble in aqueous or organic solutions. Here, we review recent progress and advances that have been made on dispersion of carbon nanotubes in aqueous and organic media by non-covalent functionalization with surfactants and polymers.

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Natural Na12Phy enhanced the property of MAO coatings on Mg alloys and was hydrolyzed from an anti-nutrient into absorbed inorganic phosphates and a series of lower inositol phosphates. 50% MAO waste solution was not toxic to Pengze crucian carp.