نتایج جستجو برای: crosslinked polyethylene

تعداد نتایج: 35943  

Journal: :High voltage 2022

The evolution of properties crosslinked polyethylene (XLPE)-based insulating materials under radio-chemical ageing conditions is presented and discussed. In total, seven different polymer compounds were tested, characterised by an increasing quantity additives, for example, antioxidants (AOs) fillers as flame retardants. Samples analysed using testing techniques, that is, Fourier Transform Infr...

Vacuum dried Metronidazole hydrochloride (MTZ) loaded Crosslinked polymeric blend of Poly(vinyl)alcohol (PVA) and Gelatin(GE) in different ratios by 30 freeze/thaw cycles (FTC) tested for stimuli sensitivity and crosslinking at various pH, temperature, ionic concentration and oscillatory test along with dye absorption test showed maximum swelling in alkaline pH and decreased swelling with incre...

Journal: :Wear 2021

Multidirectional tests were carried out to study the influence of type and temperature serum lubricant on wear friction vitamin E stabilized, extensively crosslinked ultrahigh molecular weight polyethylene (VEXLPE) against polished CoCr. To minimize rates protein denaturation microbial growth, cold performed for first time so that was at a refrigerator 4 °C. The highest factors coefficients obs...

Journal: :Journal of Analytical Science and Technology 2023

Abstract A capillary gas chromatographic method using flame ionization detection was developed and validated for the trace quantification of 2-bromoethanol (2-BE) 2-bromoethylmethanesulfonate (2-BEM) in silodosin, used treatment benign prostatic hyperplasia. Chromatographic separation performed spilt mode nitrogen as carrier on a column containing crosslinked polyethylene glycol (30 m × 0.32 mm...

Journal: :Heritage Science 2023

Abstract This paper explores the cleaning efficacy of polyethylene-supported 15-min photo-crosslinked poly (acrylamide-co-benzophenone) surface-attached gels (SAGs) on gypsum plaster surface models inspired by nineteenth-century casts. Cleaning tests were performed with and without organic inorganic coatings, which had been exposed to accelerated ageing heat, humidity, light after artificial so...

Journal: :Processes 2021

Liquefaction of waste lignocellulosic biomass is a viable technology for replacing fossil fuels and meeting sustainable development goals. In this study, bio-based epoxy resins were prepared from polyhydric-alcohol-liquefied cotton stalk by glycidyl etherification. The was liquefied in polyethylene glycol/glycerol cosolvent under H2SO4 catalysis. Epon 828 cotton-stalk-based could be cured using...

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