The micro mixing in a rotating packed bed(RPB) has been described using the Curl coalescence and re dispersion model, whereby the influence of rotating speed and flow rate on the product distribution of an azo coupling reaction system was simulated.

Synthesis of P(DMDAAC-AM) as cationic polymeric flocculants by dispersion polymerization;

Monodispersed cationic microspheres of polystyrene prepared by dispersion polymerization;

Preparation of monodisperse polyacrylamide sphere by dispersion polymerization——Study on conversion and molecular;

The pH-responsive crosslinking poly(ethylene glycol)-co-poly(acrylic acid)(PEG-co-PAAc) microspheres were prepared by dispersion copolymerization of St-PEG macromonomer with acrylic acid in 3-pentanone in the present of N,N'-methylenebisacrylamide(Bis) as crosslinker and 2,2'-Azobis(isobutyronitrile)(AIBN) as initiator.

The novel spherical particles were prepared by dispersion copolymerization of AN with St in the presence of MA-PEG macromonomer in ethanol/water mixed solvents(vol/vol=4/1) at 60℃ for 24h by using 2,2′-azobisisobutyrnitrile(AIBN) as a free radical initiator.

Then PNIPAAm grafted poly (acrylonitrile/styrene) (PNIPAAm-g-PAN/PSt) particles in nanometer can be prepared by one-step method based on the dispersion copolymerization of PNIPAAm macromonomer with AN/St in ethanol/water mixed solvents.

Micron-size poly(methyl methacrylate-co-styrene) microspheres were synthesized by dispersion copolymerization in a methanol-water media using polyvinylpyrrolidone(PVP) as a dispersant and 2,2′-azobisizobutyronitrile (AIBN) as an initiator.

Micron-size methyl methacrylate-styrene copolymer microspheres were prepared by dispersion copolymerization in the presence of ethanol/water mixture,using polyvinylpyrrolidone(PVP) as dispersant and stabilizer and azobisiobutyronitrile(AIBN) as initiator.

The dispersion-flocculation behavior of clay particles in the presence of inorganic ions,heavy mental ions,surfactants and polymers was studied in soils.