| Abstrakt: |
Silicas and carbon blacks are often used as additives in the production of rubber, plastics, paint, ink, etc. Physicochemical properties of the materials depend not only on the properties of principal component, its chemical nature, degree of cross-linking, polarity, but also on the structural and surface properties of additives (fillers), i.e., their surface area, porous structure, hydrophobicity, etc. In the present work selected additives have been characterized by low temperature adsorption and high-resolution thermogravimetry (TGA). Nitrogen adsorption isotherms measured over a wide pressure range were used to evaluate the specific surface area and total pore volume. In addition, the pore volume and adsorption energy distributions were evaluated from the adsorption data in order to characterize the surface and structural properties of the samples studied. |
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