Abstract
The aim of the research was obtaining and application of smectic clay modifying agent. The organophilic clay is used as nanofiller in polymer nanocomposites [1]. A microwave-assisted reaction led to obtaining N-heptaquinolinum, which is amphiphilic compound, containing both hydrophobic (alkyl and aromatic) and hydrophilic sections in its structure [2]. N-heptaquinolinum was used as a montmorillonite clay modifying agent. Modification was carried out in formulated way [3, 4]. Modification efficiency was determined by X-ray diffraction (XRD) analysis and elementary analysis. Organophilic clay (Ch7) was introduced, using the extrusion method, into polyethylene matrix in different mass relations (1.5, 3 and 5 %) [3]. The structure of obtained materials was studied by means of XRD and SEM. To evaluate potential applications thermal properties of received nanocomposites were tested with thermogravimetric analysis and differential scanning calorimetry. The thermal stability of PE/clay composites can be improved in the case of loading 1.5 and 5 mass%.
Highlights
The organophilic clay is used as nanofiller in polymer nanocomposites [1]
Recent years have been the age of polymer nanocomposites, in particular those based on organically modified nanoclays such as montmorillonite (MMT)
Nanofillers are introduced into the polymer matrix in order to significantly improve a number of physico-chemical properties required in new fields of application
Summary
Recent years have been the age of polymer nanocomposites, in particular those based on organically modified nanoclays such as montmorillonite (MMT). Nanofillers are introduced into the polymer matrix in order to significantly improve a number of physico-chemical properties required in new fields of application. In order to obtain the above mentioned properties the highest possible level of dispersion of the nanoclay in the polymer matrix is essential. This is most often achieved by modifying the filler involving the ion exchange of the Na? Resulting clay allows for the creation of nanocomposite where the polymer penetrates the layers of the organically modified filler [11]. The volume of the nanofiller being introduced into the polymer matrix ranges form 1.5 to 5 wt%, which is enough to obtain specific, high standards required of the resulting material.
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