Polyethylene glycol (PEG) displayed an amazing properties when mixed with other polymers or inorganic materials. Polymers of different types (organic, inorganic or hybrid) and a variety of inorganic materials have been blended and showed interesting properties. So that, a new experimental design of PEG / MCM-41composites has been prepared using different loading from PEG. MCM-41 as one of the most important mesoporous material has been used as support material. The preparation process for the new composites has been carried out using a simple dissolution method. Freshly prepared MCM-41 has been investigated by simple characterisation tools. The obtained structure of the new composites was promoted by various characterization techniques. which including: Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), and thermal analyses have been used as characterization tools. Moreover, the electrical properties were measured using electrical conductivity measurements. SEM images showed nearly the same globular grain in both cases for pure MCM-41 and PEG / MCM-41(10%) composite. Whereas PEG / MCM-41(30%) composite showed different feature. The increasing the PEG percentage till 20 % was accompanied by a continuous decrease of the WL %.
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