Mercury Porosimetry of Some Fillers for Rubber

Abstract

Rtuťová porozimetrie byla použita k charakterizaci sazí, siliky a kaolinu jako plniv pro kaučukové směsi. Intruzní křivka zobrazující objem rtuti vlačené do pórů plniva byla rozdělena na tři části, které mohou charakterizovat tři různé vlastnosti plniv.Mercury porosimetry was used for characterization of carbon blacks, silica and clay fillers for rubber compounds. No extrusion of mercury at decreasing pressure for carbon blacks could be explained by their agglomerate composition. Skeletal density from mercury porosimetry could depend on properties of primary filler particles. Total volume of pores in intrusion curve was divided into three regions, which could characterize three different properties of fillers

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