Microwave-assisted synthesis of cyclodextrin polyurethanes

Carbohydrate Polymers
Atanu BiswasH N Cheng

Abstract

Cyclodextrin (CD) has often been incorporated into polyurethanes in order to facilitate its use in encapsulation or removal of organic species for various applications. In this work a microwave-assisted method has been developed to produce polyurethanes consisting of α-, β-, and γ-CD and three common diisocyanates. As compared to conventional heating, this new synthetic method saves energy, significantly reduces reaction time, and gets similar or improved yield. The reaction products have been fully characterized with (13)C, (1)H, and two-dimensional NMR spectroscopy. With suitable stoichiometry of starting CD and diisocyanate, the resulting CD polyurethane is organic-soluble and water-insoluble and is shown to remove Nile red dye and phenol from water. Possible applications include the removal of undesirable materials from process streams, toxic compounds from the environment, and encapsulation of color or fragrance molecules.

References

Aug 1, 1996·Clinical Nursing Research·P Hayes
Mar 26, 2003·Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences·Alf Lamprecht, Jean-Pierre Benoit
May 8, 2009·Chemical Society Reviews·Akira HaradaHiroyasu Yamaguchi
Oct 20, 2010·International Journal of Molecular Sciences·Yuk Ping ChinMhd Radzi Bin Abas
Apr 3, 2013·Carbohydrate Polymers·Atanu BiswasH N Cheng

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Citations

Oct 3, 2015·Carbohydrate Polymers·Fatima ZiaNosheen Aslam
Mar 16, 2016·Beilstein Journal of Organic Chemistry·Giancarlo CravottoKatia Martina
Jul 31, 2016·Carbohydrate Polymers·Mirna Pereira MoreiraIara F Gimenez

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