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Issue 11, 2000
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The influence of porogen type on the porosity,surface area and morphology of poly(divinylbenzene) PolyHIPE foams

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The type of porogen added to the continuous phase of HIPEs containing divinylbenzene strongly influences the morphology of the resulting PolyHIPE foam. The cell size was reduced as the solvent became a better cosurfactant, as inferred from surface pressure measurements of films representative of each HIPE continuous phase. In addition, this caused the windows connecting adjacent cells to increase, to such an extent in two cases that the cellular morphology was apparently lost. The surface area increased as the solubility parameter of the solvent approached that of the polymer, however the materials with highest surface areas also had a non-cellular morphology and were very weak mechanically. This could be rectified by the use of mixtures of the solvents investigated, producing materials with surface areas up to 554 m2 g−1, a cellular morphology and good mechanical properties.

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Publication details

The article was received on 03 May 2000, accepted on 10 Aug 2000 and first published on 12 Sep 2000

Article type: Paper
DOI: 10.1039/B003596N
Citation: J. Mater. Chem., 2000,10, 2466-2471
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    The influence of porogen type on the porosity, surface area and morphology of poly(divinylbenzene) PolyHIPE foams

    N. R. Cameron and A. Barbetta, J. Mater. Chem., 2000, 10, 2466
    DOI: 10.1039/B003596N

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