期刊
COLLOID AND POLYMER SCIENCE
卷 286, 期 11, 页码 1273-1280出版社
SPRINGER
DOI: 10.1007/s00396-008-1891-1
关键词
polyHIPE; emulsification; cellular polymer; highly concentrated emulsion
Water-in-Oil high internal phase emulsions (HIPEs) whose continuous phase is polymerizable gave access to highly porous polymeric materials (polyHIPEs). These emulsions were prepared with a laboratory-made homogenizer whose shear frequency and time could be varied to study the influence of the emulsification conditions on the polyHIPEs morphology. Intensive and/or long shear induced a reduction of the cell and connection diameters without any modification of the material global porosity. The mechanical properties were evaluated by estimating the Young's modulus from compression tests. The mechanical behavior was analogous for all materials possessing a characteristic polyHIPE structure, even if cell sizes were different between samples.
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