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Citation: LU Xia, TANG Jing, FAN Yu-Bing, HU Jun, LIU Hong-Lai. Synthesis of Mesoporous Polystyrene Using Reversed Microemulsion Template Method[J]. Acta Physico-Chimica Sinica, ;2009, 25(01): 178-182. doi: 10.3866/PKU.WHXB20090132 shu

Synthesis of Mesoporous Polystyrene Using Reversed Microemulsion Template Method

1.
Laboratory for Advanced Materials, Department of Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China相一致.

Received Date: 29 July 2008
Available Online: 11 November 2008

Using a reversed microemulsion as template, we developed a new and convenient synthesis method for mesoporous polymer materials. Based on a study of the stability and sizes of microemulsions at different mass ratios of CHCl3/CTAB/H2O, a stable reversed microemulsion region was discovered. The stable reversed microemulsion was used as a reaction system for the preparation of mesoporous polystyrene. The initiator (NH4)2S2O8 was dissolved in the reversed microemulsion’s water core and polymerization of styrene was initiated at the oil-water interface of the microemulsion. With one intense and another weak diffraction peak, the synthesized polystyrene gave a typical XRD pattern for a lamellar mesostructure. The corresponding lamellar spacing of the (100) and (200) planes were 2.6 and 1.3 nm, respectively. The N2 adsorption/desorption isothermal suggested that the average pore size of the mesoporous polystyrene was mostly 1.7 nm which coincided with the size of water drops in the reversed microemulsion.
- Mesoporous material; Polystyrene; Reversed microemulsion; Template; Lamellar structure
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