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Surface modification of calcium carbonates studied by inverse gas chromatography and the effect on mechanical properties of filled polypropylene


Reference:

Price, G. J. and Ansari, D. M., 2004. Surface modification of calcium carbonates studied by inverse gas chromatography and the effect on mechanical properties of filled polypropylene. Polymer International, 53 (4), pp. 430-438.

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    Official URL:

    http://dx.doi.org/10.1002/pi.1392

    Abstract

    Inverse gas chromatography (IGC) has been used to characterize the surfaces of a pure calcitic calcium carbonate as well as samples that had been treated with sodium polyacrylate and/or stearic acid. The dispersive components of the surface free energy for the pure material agreed well with related literature data. Polar contributions to the surface interactions with a range of probes were determined. The results show that-the surface treatments reduced the polarities of the surfaces and that modification with stearic acid produced a non-polar, low-energy surface. Some mechanical properties of the polypropylene composites containing the modified calcium carbonates were found to correlate well with the filler surface energies.

    Details

    Item Type Articles
    CreatorsPrice, G. J.and Ansari, D. M.
    DOI10.1002/pi.1392
    DepartmentsFaculty of Science > Chemistry
    Publisher StatementDRAFT_87_Surface_Modification_Of_Calcium_Carbonates_Studied_By_Inverse_Gas_Chromatography_and_Measurement_Of_Material_Properties_of_Filled_Polypropylenes.pdf: This is a preprint of an article published in Price, G. J. and Ansari, D. M. (2004), Surface modification of calcium carbonates studied by inverse gas chromatography and the effect on mechanical properties of filled polypropylene. Polym. Int., 53: 430–438. doi: 10.1002/pi.1392
    RefereedYes
    StatusPublished
    ID Code4877

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