Download Eco-friendly Polymer Nanocomposites: Chemistry and by Vijay Kumar Thakur, Manju Kumari Thakur PDF

By Vijay Kumar Thakur, Manju Kumari Thakur

This publication comprises accurately referenced chapters, emphasizing environment-friendly polymer nanocomposites with simple basics, practicality and choices to standard nanocomposites via unique experiences of alternative environmental pleasant fabrics procured from assorted assets, their synthesis and functions utilizing replacement eco-friendly methods. The publication goals at explaining fundamentals of green polymer nanocomposites from diverse common assets and their chemistry in addition to sensible purposes which current a destiny course within the biomedical, pharmaceutical and car undefined. The ebook makes an attempt to offer rising financial and environmentally pleasant polymer nanocomposites which are unfastened from unintended effects studied within the conventional nanocomposites. This booklet is the end result of contributions through many specialists within the box from varied disciplines, with quite a few backgrounds and expertises. This ebook will entice researchers in addition to scholars from diverse disciplines. The content material comprises commercial purposes and should fill the space among the examine works in laboratory to sensible functions in comparable industries.

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18 R. Prasanth et al. maleic anhydride grafted PP [23]. This layered silicate is mixed with the polymer matrix in the molten state. Under these conditions, if the layer surfaces are sufficiently compatible with the chosen polymer, the polymer can crawl into the interlayer space and form either an intercalated or exfoliated nanocomposite under these conditions. In this technique, no solvent is required hence it is environmentally friendly and not required any post processing like solvent evaporation or drying.

Also, results show that quaternary ammonium modified clay compounds increased the curing rate and lowered the torque. The activation energy for initiating the cross-linking reaction is decreased with addition of clay and thus cross-linking tends to take place in an easier manner in the presence of the modified nanoclays. Dynamic mechanical tests performed under a strain sweep showed the Payne effect due to better dispersion of CB. In addition, Mooney viscosity results showed that the replacement of CB with modified nanoclay can help in the dispersion of fillers.

The structural characterization performed on nanocomposites showed that the rubber molecules led to the separation of the clay into individual layers and/or silicate aggregates with thickness in the nanometer range with no intercalation of rubber into the clay galleries. This was mainly due to the competition between reaggregation of clay layers and latex particle separation during co-coagulation. Further results showed a higher aspect ratio and a higher glass Tg due to the increased network of rubber/clay nanocomposites in comparison with pristine rubber.

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