Title: INFLUENCE OF SILANE MODIFICATION OF KAOLINS ON PHYSICO-MECHANICAL AND STRUCTURAL PROPERTIES OF FILLED PVC COMPOSITES
Page Range: p.397-406
Author(s): Domka L; Foltynowicz Z; Jurga S; Kozak M
File size: 329K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 11
Issue No: No. 5
Abstract
Results are presented of a study of the potential of modified kaolin as a filler for PVC. Kaolin from Maria III deposits in Poland was used, and aminosilanes and mercaptosilanes were used to modify the surface. Basic physicochemical parameters such s the absorption capacity of the plasticiser, the heat of immersion in hydrophobic and hydrophilic solvents, and the morphology of particles of the modified filler were characterised. It was found that the modified kaolins improved the physicomechanical properties of PVC, and in particular its elongation when used at 10 and 15% w/w levels in the composite. The microstructure of the filled composites was also studied using small angle X-ray scattering, and scanning electron microscopy techniques. 21 refs.
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