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Development of poly(vinyl chloride)/montmorillonite nanocomposites using chelating agents
YKI – Ytkemiska institutet.
2010 (English)In: Polymer degradation and stability, ISSN 0141-3910, E-ISSN 1873-2321, Vol. 95, no 2, 132-137 p.Article in journal (Refereed)
Abstract [en]

Different chelating agents such as poly(ethylene glycol), propylene glycol monooctadecanoate and palm oil were used for modification of the surface-treated montmorillonite (MMT). The work also included the development of a technique for mixing chelating agents with MMTs using different methods and different proportions of MMT/chelating agent/ethanol. Evaluation of the result of mixing was performed by thermogravimetric analysis, X-ray diffraction and high-resolution scanning electron microscopy (HR-SEM). The results showed that the chelating agents used were intercalated in MMT, increasing the interlayer spacing. The OMMT was used in the manufacture of composites with rigid PVC using a microcompounder. The master batch concept turned out to be promising in terms of dispersion and delamination of clay, as observed in HR-SEM photographs. However, despite good dispersion and exfoliation of MMT, poor compatibility between clay platelets and PVC matrix remains to be solved to enable full exploitation of its engineering potential. Despite this drawback, good thermal stability and mechanical properties have already been achieved.

Place, publisher, year, edition, pages
2010. Vol. 95, no 2, 132-137 p.
Keyword [en]
Compatibility, Dispersion, Montmorillonite, Polymer nanocomposite, PVC, Thermal stability, Development of PVC/MMT nanocomposites using chelating agents
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27393DOI: 10.1016/j.polymdegradstab.2009.11.043OAI: oai:DiVA.org:ri-27393DiVA: diva2:1054397
Note
A3156Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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