Synthesis and characterization of novel curcumin based polyurethanes varying diisocyanates structure |
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Authors: | Kashif Mahmood Iqra Noreen Muhammad Riaz Mohammad Zuber Mahwish Salman Saima Rehman Khalid Mahmood Zia |
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Affiliation: | 1.Institute of Chemistry,Government College University,Faisalabad,Pakistan;2.Department of Chemistry,Faisalabad Women Campus, University of Sargodha,Sargodha,Pakistan |
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Abstract: | In this research work, novel polyurethanes (PUs) based on blends of curcumin/1,4-butane diol (BDO) by varying the structure of diisocyanates were prepared following step growth polymerization. Structural study of blends and various diisocyanates based PU through Fourier Transform Infrared (FTIR) spectroscopy confirmed the incorporation of curcumin into the backbone of the PU. The scanning electron microscopic (SEM) study confirmed the well dispersion of incorporated curcumin and homogeneity of surface of synthesized samples. The SEM results also indicated that surface morphology of synthesized samples much dependent on diisocynates structure. Moreover SEM images inferred that phase separation is more pronounced in aromatic diisocyanate based PU. The anti-bacterial and anti-fungal tests were performed against different strains in order to determine the biocompatibility of the curcumin based PU. The antimicrobial activity results revealed that the material having aromatic diisocyanate are more biocompatible than the aliphatic diisocyanates in the PU structure. On the whole, this work is actually a step towards the generation of novel biocompatible materials preferably useful for biomedical applications. |
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