Abstract
AbstractGamma radiation has been used for fabrication of PE wax from low density polyethylene pellets that composited with 30wt% magnetic oxide Fe3O4 nanoparticles. The surface of (PE/Fe3O4) pellets were grafted by acrylic acid AAc using gamma irradiation techniques. A Polar groups (COOH) support (PE/Fe3O4) uses, where functionalized give it to be ready in hydrophilic and/or hydrophobic environments and increased the capability in adsorbing a large variety of dyes molecules. PE Wax is increased the stability and this will be improved the recyclability and Fe3O4 will help to reused of the (PE-g-PAAc)/Fe3O4 compared to traditional dyes adsorbent. As a result, the grafted polyethylene fiber can serve as a catalyst support for a large variety of reactions. The chemical structure of modified PE surface by grafting process was performed by Attenuated total reflectance- Fourier transform infrared spectroscopy ATR-FTIR. samples of (PE-g-PAAc)/Fe3O4 have been characterized for water uptake, surface morphology usin...
Highlights
There are many advantages of radiation grafting over other conventional methods due to its simplicity, and because catalysts and additives are not needed to initiate the grafting reaction (1)
This article is aimed at the synthesis of magnetic wax polymers and coating with a layer obtained by grafting of poly acrylic acid (PAAc), using gamma radiation without significant damage to the polymer substrate
Crystallinity of magnetic (PE/Fe3O4) wax nano composite From Figure 2 it can be seen that the sites and the intensity of the diffraction peaks are consistent with the standard pattern for {JCPDS-019–0629} with high intensity Bragg peaks at 2θ = 29.82°, 35.7°, 42.2°, 52.6°, and 64.1°, corresponding to the (220), (311), (400), (422) and (440) crystal planes which were the characteristic peaks of standard Fe3O4 crystal
Summary
There are many advantages of radiation grafting over other conventional methods due to its simplicity, and because catalysts and additives are not needed to initiate the grafting reaction (1). Grafting occurs by monomers covalently bonding onto the polymer chains. This method produces functional groups that adhere to polymer substrates by the strongest chemical bond. This article is aimed at the synthesis of magnetic wax (hydrophobic) polymers and coating with a (hydrophilic) layer obtained by grafting of poly acrylic acid (PAAc), using gamma radiation without significant damage to the polymer substrate. Use of this new material will be encouraged for diverse applications in biomedical, catalysis, sensors and dye adsorbent fields. The main purpose of the modification is to improve biocompatibility, wettability, mechanical and thermal properties
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