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emulsifier
A W/O microemulsion was prepared with Span80-PS (petroleum sulfonate) as complex emulsifier, isopropanol as cosurfactant and kerosene as oil phase.
      
Based on discussions on the nucleation mechanism of particles in the polymerization system, the influences of monomer weight added dropwise, and amounts of initiator and emulsifier on the size and distribution of PS particles were investigated.
      
PS nanoparticles with smaller diameter such as a number-average diameter of 18.7 nm and better monodispersity were obtained since the dropped styrene amount was suitable under 20wt-% emulsifier amount and 3wt-% initiator amount based on the monomer.
      
The shape-stabilized phase change materials (PCMs) composed of paraffin wax and silica were prepared in O/W emulsion with cetyl trimethylamine bromide as emulsifier and n-pentanol as assist emulsifier.
      
Decontaminating solutions that are used in the laboratory practice for the detoxication of hydrophilic process ME solutions are aqueous solutions of alkali hydroxide with additions of hydrogen peroxide and an emulsifier.
      
The surfactants, emulsifier OP and sodium dodecyl benzene sulfonate (SDBS), may both increase the sensitivity and the solubility of Cd-DBCBAA complex.
      
The solubilization and sensitization of the OP emulsifier (nonionic surfactant) was observed in the above reaction.
      
Emulsifier-free emulsion copolymerization of acrolein with styrene and methyl methacrylate in the presence of potassium persulfate was developed to prepare microspheres with surface aldehyde groups.
      
Features of Emulsion Copolymerization of Butyl Methacrylate and Zinc Methacrylate Acetate in the Presence of Nonionic Emulsifier
      
Thermal properties of poly(methyl methacrylate) prepared by emulsifier-free emulsion polymerization
      
Emulsifier-free emulsion polymerization of methyl methacrylate in the presence of potassium persulfate initiator, taken in several different concentrations, at various pH values was studied with the aim to obtain colloidal crystals.
      
The thermal properties of poly(methyl methacrylate) prepared by emulsifier-free emulsion polymerization, as the starting material for fabrication of photonic crystals, were examined in relation to the synthesis conditions.
      
Emulsifier-free emulsion copolymerization of styrene with methacrylic acid as a method of preparing building blocks for photonic
      
Monodisperse polymer particles with diameters from 230 to 420 nm have been synthesized by the emulsifier-free emulsion copolymerization of styrene with methacrylic acid.
      
Continuing our research, we introduced an additional co-emulsifier, Tween 80, to those formulations in order to decrease the size of the emulsion particles and improve their stability.
      
It is demonstrated that it is a kind of good w/o emulsifier with the DS ranged between 1.00 and 1.70; Whereas for DS>amp;lt;0.50, It is a kind of good o/w emulsifier and an interesting phenomenon appears in o/w system.
      
And the half-time of emulsion turbidity is more than 1.5 h with PKGM having 2.72 of DS used as the emulsifier.
      
Development of a particulate emulsifier by mechanochemical treatment and application to the liquid-liquid extraction process
      
The obtained particles had sufficient properties for use as a particulate emulsifier.
      
The obtained particulate emulsifier was applied to the liquid-liquid extraction process.
      
 

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