Preparation of Polystyrene/Divinylbenzene Porous Materials via Reverse Concentrated Emulsion Pathway

Abstract

Abstract: Arange of polystyrene/divinylbenzene(PS/DVB) porous materials were prepared via reverse concentrated emulsion polymerization pathway. The aqueous phase(H₂O), as the discontinuous phase, constituted 75%-90% by volume fraction in each case. The styrene monomer, as the continuous phase, constituted the framework of PS/DVBporous polymer after the polymerization. The effects of the concentration of Span 80 emulsifier, dispersed phase volume ratio and the addition of solvent with different boiling points on the morphological structure of PS/DVBporous polymer were investigated. The water and toluene absorption of PS/DVBporous polymer was also studied. The results showed that the PS/DVBporous polymers with different diameters were produced under different technical conditions, and the Scanning Electron Micrographs have confirmed the porous structure of PS/DVBpolymers.

Key words: Concentrated emulsion, Porosity, Polystyrene

CLC Number:

TQ316.334

TrendMD:

DU Zhong-Jie, ZHANG Chen, LI Hang-Quan . Preparation of Polystyrene/Divinylbenzene Porous Materials via Reverse Concentrated Emulsion Pathway[J]. Chem. J. Chinese Universities, 2002, 23(8): 1614.

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Preparation of Polystyrene/Divinylbenzene Porous Materials via Reverse Concentrated Emulsion Pathway

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