Microemulsion Polymerization of Styrene Initiated with Potassium Persulfate

Abstract

Abstract: The monomer content and the ratlo of monomer to emulsifier in styrene mi-croemulsion were greatly uplifted when it was stabllized with an emulsifier with Ystructure.The microemulsion was polyrnerized in dilatometer with potassium persulfate as an initiator.The change of polymerization rate with conversion was recorded, and the plateau of polymer-ization rate in microemulsion polymerization of styrene was first observed. The Iength of theplateau was shortened with the increase of KPSconcentration and emulsifier concentration,or with the decrease of monomer concentration. The polymerlzation kinetics and the poly-merization mechanisms were also discussed.

Key words: Microemulsion polyrnerization, Nucleate mechanism, Plateau of polymerization rate, Emulsifier with Y structure

CLC Number:

O635

TrendMD:

XU Xiang-Ling, ZHANG Zhi-Cheng, ZHANG Man-Wei, GE Xue-Wu, WU Zhi-Chao. Microemulsion Polymerization of Styrene Initiated with Potassium Persulfate[J]. Chem. J. Chinese Universities, 1997, 18(9): 1546.

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Microemulsion Polymerization of Styrene Initiated with Potassium Persulfate

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