MONOMER EMULSIFICATION AND POLYMERIZATION KINETICS IN STYRENE MINIEMULSION

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XU Y.; TAN X.; CAI N.; JIA G.

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Paper Information

Journal: Iranian Polymer Journal Year:2006 | Volume:15 | Issue:12 (78) Page(s): 979-987

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Information Journal Paper

Title

MONOMER EMULSIFICATION AND POLYMERIZATION KINETICS IN STYRENE MINIEMULSION

Author(s)

XU Y. | TAN X. | CAI N. | JIA G. | Issue Writer Certificate

Keywords

MINIEMULSION POLYMERIZATION

STYRENE

EMULSIFICATION

KINETICS

DROPLET NUCLEATION

Abstract

Miniemulsions of STYRENE with sodium dodecyl sulphate (SDS) as the surfactant and hexadecane (HD) as the co-stabilizer were prepared and polymerized. The on-line conductivity measurements were employed to characterize the EMULSIFICATION by ultrasonication. Both the dynamic light scattering (DLS) and the transmission electron microscopy (TEM) were employed to determine the droplet and the particle size. The effects of various reaction parameters on the droplet (or particle) size and the polymerization KINETICS were investigated. These parameters include the sonication time and the concentrations of SDS ([SDS]), potassium persulphate ([KPS]), and HD ([HD], as weight percent with respect to monomer). Moreover, their influence on the DROPLET NUCLEATION was also discussed. It is shown that a critically steady state can be obtained after ultrasonicating the emulsion system for at least 24 min and relatively stable miniemulsions were prepared. The polymerization rate of miniemulsions increases with the increase in [SDS], [HD], and [KPS] due to different mechanisms, and the rate is faster than that of the corresponding macroemulsions. In addition, the predominant DROPLET NUCLEATION is achieved in current miniemulsion systems and the required condition is concluded. Finally, nanosize polystyrene latexes were synthesized.

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APA: Copy

XU, Y., TAN, X., CAI, N., & JIA, G.. (2006). MONOMER EMULSIFICATION AND POLYMERIZATION KINETICS IN STYRENE MINIEMULSION. IRANIAN POLYMER JOURNAL (ENGLISH), 15(12 (78)), 979-987. SID. https://sid.ir/paper/543665/en

Vancouver: Copy

XU Y., TAN X., CAI N., JIA G.. MONOMER EMULSIFICATION AND POLYMERIZATION KINETICS IN STYRENE MINIEMULSION. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2006;15(12 (78)):979-987. Available from: https://sid.ir/paper/543665/en

IEEE: Copy

Y. XU, X. TAN, N. CAI, and G. JIA, “MONOMER EMULSIFICATION AND POLYMERIZATION KINETICS IN STYRENE MINIEMULSION,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 15, no. 12 (78), pp. 979–987, 2006, [Online]. Available: https://sid.ir/paper/543665/en

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