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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received April 14, 2013
Accepted June 24, 2013

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Blends of polyurethane-polymethyl methacrylate/TiO2-based composites

Mohammad Zuber^† Shazia Tabasum Rizwan Hussain¹ Muhammad Bilal Khan² Iftikhar Hussain Bukhari

Institute of Chemistry, Government College University, Faisalabad 38030, Pakistan ¹National Engineering and Scientific Commission (NESCOM), P. O. Box 2216, Islamabad, Pakistan ²National University of Science and Technology(NUST), Islamabad, Pakistan

mohammadzuber@gmail.com

Korean Journal of Chemical Engineering, August 2013, 30(8), 1652-1658(7), 10.1007/s11814-013-0111-y

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Abstract

Polyurethanes (PUs) prepolymer was prepared by the reaction of toluene-2,4-diisocyanate (TDI) and poly caprolactone diols and the chain was further extended with 1,4-butane diol (1,4-BDO) to get final polyurethane (PU). FTIR spectra of the monomers, PU prepolymer, chain extender and final PU confirmed the reaction progress. A series of blends were prepared by varying the percent compositions of prepared PU, procured polymethyl methacylates (PMMA) and titanium dioxide (TiO2). Pellets were formed from the prepared blends (PU-PMMA/TiO2) using a self-designed_x000D_ mechanical tool. Scanning electron microscope (SEM) images were also taken to confirm the incorporation of the TiO2 contents into the prepared blends. Mechanical properties such as hardness and compressive strength were studied and discussed. The results of the study reveal that the blended sample having 80% PU, 20% PMMA content with 2.5 g TiO2 in 100 g mixture of PU and PMMA is very suitable for suggesting dental materials.

Keywords

Polyurethane PMMA Titanium Dioxide FTIR SEM Compression Strength

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