Abstract
Dependingontheapplication,afoammustmeetspecific requirements. Thus great effort has been invested inthe determination and manipulation of foam properties.Material composition and cellular structure constitute crucialparameters when it comes to the tailoring of foams. Asconventional manufacturing, where foams are produced frompolymer melts and blowing agents, is a very complex process,it is hard to control the product!s morphology and properties.In recent years alternative methods for the synthesis ofpolymer foams have been proposed which make use oftemplates: a template is generated first and the actualpolymer is subsequently synthesized. For example, emulsionshave been found to be suitable templates for the synthesis ofporous materials. In particular water-in-oil emulsions witha high concentration of the dispersed phase (high-internal-phase emulsions, HIPEs) have attracted a great deal ofattention.
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