With the development of nano-technology, more attentions have been focused on the adsorption of nanoparticles at oil/water interface and the emulsions stabilized by such particles (also called Pickering emulsions).

Advance on Pickering emulsion polymerization in fabricating hollow composite structures;

Around one century ago, Pickering discovered that the colloidal particles situated at the oil-water interface can also stabilize emulsions, So the emulsions stabilized by solid particles was called "Pickering emulsion" .

In this thesis, emulsifier-free emulsion polymerization method was employed to prepare carboxyl-functional monodisperse cross-linked polystyrene microspheres, whose applications in preparation of anisotropic microsphere via seeded emulsion polymerization phase separation method and in Pickering emulsion were studied.

Solid-stabilized emulsions (Pickering emulsions), which is a thermodynamic stability and dynamic instability system, is stabilized by solid particles as emulsifier instead of the traditional surfactant.

With the development of nano-technology and because of the potential applications of Pickering emulsions in food,cosmetics and pharmaceutical fields,the properties of Pickering emulsions have been widely investigated.

PS-Silica composite beads with PS core and silica nanoparticles shell were prepared by Pickering emulsion polymerization.

Investigation of Extraction Process by Titration Calorimetry(Ⅳ)——Formation of Reversed Micelle and Microemulsion in Extraction Organic Phase or Saponated P507;

Results show that the maximum area of microemulsion region is achieved using tween-60 as surfactant with the km value being of 0.

The paper simply introduced the classification and property of microemulsion(ME).