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Abstract

Montmorillonite (MMT) of which the surface was modified with a block copolymer with crosslinkable units was incorporated into dental composites as nanofiller to improve dimensional and mechanical properties. A bifunctional block copolymer was prepared through controlled/‘‘living’’ radical polymerization technique. One block contained 2-isocyanatoethyl methacrylate and the other block contained poly(vinyl pyridine) units. The interaction of the 4VP units with the surface of MMT layers was examined by using X-ray diffraction spectroscopy (XRD) and Fourier transform infrared spectroscopy (FT-IR). The results showed that the polymerization shrinkages of the composites decreased as well as the compressive and flexural strengths of the composites were also improved.



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Article Details

Issue: Vol 18 No 3 (2015)
Page No.: 181-188
Published: Aug 30, 2015
Section: Natural Sciences - Research article
DOI: https://doi.org/10.32508/stdj.v18i3.834

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Creative Commons License

Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Nguyen, U. (2015). Application of MMT modified by block copolymer in dental composite. Science and Technology Development Journal, 18(3), 181-188. https://doi.org/https://doi.org/10.32508/stdj.v18i3.834

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