Microwave-Assisted Synthesis of a New Hydantoin Monomer for Antibacterial Polymeric Materials

11-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)undecyl acrylate was synthesized in a two-step procedure using microwave irradiation. Poly(acrylates) containing fluorinated and hydantoin (5,5-dimethylimidazolidine-2,4-dione) moieties were prepared by free radical polymerization of 2-(perfluorooctyl)ethyl acrylate and the synthesized monomer with the aim of obtaining low surface energy polymeric materials with properties of contact-active biocides. Polymeric films were treated with a bleaching solution in order to convert the hydantoin units to N-halamines, well-known contact-active biocides. The reversibility of the chlorination reaction, necessary to impart a renewable biocide effect, was investigated by Fourier Transform-Attenuated Total Reflection. Preliminary biological tests conducted against Bacillus megaterium demonstrated the effective biocide properties of the prepared materials.

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Microwave-assisted synthesis of channel-containing polymeric materials

e-Polymers ◽

10.1515/epoly.2005.5.1.726 ◽

2005 ◽

Vol 5 (1) ◽

Author(s):

Michael Klink ◽

Ute Kolb ◽

Helmut Ritter

Keyword(s):

Internal Surface ◽

Polymeric Materials ◽

Fibre Surface ◽

Surface Structures ◽

Microwave Assisted Synthesis ◽

Glycol Dimethacrylate ◽

Microwave Assisted ◽

Monomer Solution ◽

Mw Irradiation ◽

Scanning Electron

AbstractIron shows fast heat development under microwave (MW) irradiation. This property was used to start polymerization reactions on the surface of iron fibres. MW irradiation of metal fibres, which are located in a monomer solution consisting of methyl methacrylate, ethylene glycol dimethacrylate, N,N’-azoisobutyronitrile and toluene led to the formation of polymer on the metal fibre surface. After dissolving the covered iron component in hydrochloric acid, a channelcontaining polymeric material was obtained. Scanning electron microscopy showed a smooth material with rough inner channels. These internal surface structures were caused by the rough surface of the metal fibres.

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Microwave Assisted Synthesis, Crosslinking, and Processing of Polymeric Materials

Liquid Chromatography / FTIR Microspectroscopy / Microwave Assisted Synthesis - Advances in Polymer Science ◽

10.1007/b11051 ◽

2003 ◽

pp. 194-263 ◽

Cited By ~ 30

Author(s):

Dariusz Bogdal ◽

Piotr Penczek ◽

Jan Pielichowski ◽

Aleksander Prociak

Keyword(s):

Polymeric Materials ◽

Microwave Assisted Synthesis ◽

Microwave Assisted

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Microwave-assisted synthesis of chiral polymeric materials: Properties and applications

Green Sustainable Process for Chemical and Environmental Engineering and Science ◽

10.1016/b978-0-12-819848-3.00017-7 ◽

2021 ◽

pp. 679-694

Author(s):

Shadpour Mallakpour ◽

Farbod Tabesh

Keyword(s):

Polymeric Materials ◽

Microwave Assisted Synthesis ◽

Materials Properties ◽

Microwave Assisted

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Synthesis of Carbon-Supported MnO2 Nanocomposites for Supercapacitors Application

Crystals ◽

10.3390/cryst11070784 ◽

2021 ◽

Vol 11 (7) ◽

pp. 784

Author(s):

Jolita Jablonskiene ◽

Dijana Simkunaite ◽

Jurate Vaiciuniene ◽

Giedrius Stalnionis ◽

Audrius Drabavicius ◽

...

Keyword(s):

Electron Microscopy ◽

Cyclic Voltammetry ◽

Specific Capacitance ◽

Carbon Powder ◽

Microwave Assisted Synthesis ◽

Electrochemical Characteristics ◽

Galvanostatic Charge ◽

Microwave Assisted ◽

Step Procedure ◽

Charge Discharge

In this study, carbon-supported MnO2 nanocomposites have been prepared using the microwave-assisted heating method followed by two different approaches. The MnO2/C nanocomposite, labeled as sample S1, was prepared directly by the microwave-assisted synthesis of mixed KMnO4 and carbon powder components. Meanwhile, the other MnO2/C nanocomposite sample labeled as S2 was prepared indirectly via a two-step procedure that involves the microwave-assisted synthesis of mixed KMnO4 and MnSO4 components to generate MnO2 and subsequent secondary microwave heating of synthesized MnO2 species coupled with graphite powder. Field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and inductively coupled plasma optical emission spectroscopy have been used for characterization of MnO2/C nanocomposites morphology, structure, and composition. The electrochemical performance of nanocomposites has been investigated using cyclic voltammetry and galvanostatic charge/discharge measurements in a 1 M Na2SO4 solution. The MnO2/C nanocomposite, prepared indirectly via a two-step procedure, displays substantially enhanced electrochemical characteristics. The high specific capacitance of 980.7 F g−1 has been achieved from cyclic voltammetry measurements, whereas specific capacitance of 949.3 F g−1 at 1 A g−1 has been obtained from galvanostatic charge/discharge test for sample S2. In addition, the specific capacitance retention was 93% after 100 cycles at 20 A g−1, indicating good electrochemical stability.

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