نتایج جستجو برای: polyethylene pe
تعداد نتایج: 52018 فیلتر نتایج به سال:
The study evaluates findings on the impact of γ-irradiation single-use, multilayer plastic film that is manufactured for biotechnological and biopharmaceutical environments. It comprised a offers durability gas (O2, CO2 H2O) shielding properties. Polyethylene (PE) ethylene vinyl alcohol (EVOH) are parts within this film, which as whole, PE/EVOH/PE. nonirradiated γ-irradiated (from 30 kGy up to ...
Polyethylene (PE) and silica are perhaps the simplest and most common organic and inorganic polymers, respectively. We describe, for the first time, a physically interpenetrating nanocomposite between these two elementary polymers. While polymer-silica composites are well known, the nanometric physical blending of PE and silica has remained a challenge. A method for the preparation of such mate...
Solid-state nuclear track detectors (SSNTDs) in diffusion chambers have been routinely used for long-term measurements of radon gas concentrations. In usual practice, a filter is added across the top of the diffusion chamber to stop the progeny from entering. Thoron can also be deterred from entering the diffusion chamber by using a polyethylene (PE) membrane. However, the thickness of the PE m...
Although permeation of hydrocarbons such as Benzene, Toluene, Ethybenzene, and Xylene (BTEX) through polyethylene (PE) pipe in potable water applications is rarely occurred. It is important to understand permeation mechanism and characterize the potential health risk. The most common potential hydrocarbon substances are originated from gasoline leaks. Previous research has shown that pipe mater...
This work presents an innovative model for the derivation of permittivity evolution polyethylene (PE)-based materials with aging. First, microscale contributions to real methylene unit [constitutive repetitive (CRU) PE] and its oxidation products, that is, ketones hydroperoxides, in solid state is presented. Then, a chemical kinetic recalled predicting concentration, under proper hypotheses, ox...
Abstract This study is conducted to develop a cement-based strain-detecting sensor with high cost-effectivity, large strain measuring range and good compatibility concrete infrastructures. The paper describes experimental results on the compressive properties piezoresistive behaviour of polyethylene(PE) fibre-reinforced cement composite(PE-FRCC) different contents micro steel fibres (SFs) under...
The effect of ultraviolet light irradiation on the characteristics of the polyethylene (PE) surface was investigated by the quartz crystal microbalance (QCM) technique. The PE film was prepared on the gold electrodes of the QCM by spin-coating from the solution and then was treated by the excimer UV lamp in ambient air. The changes in the hydrophilic properties, moisture adsorption, and water r...
Compared with polyvinyl alcohol-engineered cementitious composites (PVA-ECC), engineered containing polyethylene fibers (PE-ECC) has captured the attention of researchers because lower cost. Nevertheless, there is a limited amount research that focuses on their dynamic behavior. Thus, specimens different water binder ratios were tested by split Hopkinson pressure bar (SHPB) to unveil compressiv...
The effect of blending a small amount high-density polyethylene (HDPE) on molecular entanglements during melt-drawing ultrahigh-molecular-weight (UHMW-PE) was investigated in this study. UHMW-PE powders with HDPE added and bimodal MW distribution were synthesized by reactor blending. In situ wide-angle X-ray diffraction small-angle scattering measurements UHMW-PE/HDPE films performed to evaluat...
Lithium metal batteries (LMB)-laminate-type full cells were prepared by combining a high-concentrated electrolytes lithium bis(fluorosulfonyl)imide (LiFSI)/ethylene carbonate (EC) and the 3-Dimensionally Ordered Macroporous (3DOM) Polyimide (PI) separator, cycle characteristics compared with cell using conventional polypropylene (PP) + polyethylene (PE) which is widely used in ion batteries. Th...
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