Ftir characterization of aged xlpe
WebThe thermal ageing increased the electrical conductivity activation energy. In the FTIR spectra, it can be seen that the intensity of carbonyl absorption peak at about 1722 cm -1 increased after thermal ageing. The carbonyl index has been calculated by the rate of peak near 1722 and 2024 cm -1 to evaluate the ageing degree of XLPE insulation ... WebOct 1, 2006 · FTIR characterization of aged XLPE @article{Gulmine2006FTIRCO, title={FTIR characterization of aged XLPE}, author={J. V. Gulmine and Leni Campos Akcelrud}, journal={Polymer Testing}, year={2006}, volume={25}, pages={932-942} } J. V. Gulmine, L. Akcelrud; Published 1 October 2006; Materials Science; Polymer Testing
Ftir characterization of aged xlpe
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WebThe FTIR showed the presence of carbonyl groups in both, unaged and aged XLPE insulation indicating that oxidation process occurred during the manufacturing process. ... The contact angle measurements showed hydrophilic character for all unaged and aged XLPE insulation possibly due to some oxidation during cables manufacturing. After … WebNov 25, 1993 · This paper reports many microphysical measurements on laboratory-aged and unaged cable samples: infrared spectroscopy (FTIR), differential scanning …
WebJan 1, 2002 · Important experimental parameters for FTIR spectra acquisition were studied: apodization, beam aperture, number of scans and spectral resolution, using polyethylene … Web[9] Gulmine J.V. and Akcelrud L., FTIR characterization of aged XLPE, Polymer Testing 25 (2006), 932 – 942. Google Scholar Cross Ref [10] Hao W. , Xiaoling C. , Ying H. , Xiaorong H. and Keyan X. , Modeling indicator system for evaluating environmental sustainable development based on factor analysis , Wuhan University Journal of Natural ...
WebMay 23, 2010 · FTIR characterization of aged XLPE. Article. Oct 2006; Joseane Gulmine; Leni Akcelrud; The effects on macromolecular structure brought about by accelerated ageing in linear and crosslinked ... WebOct 1, 2006 · The method of infrared spectroscopy (IR spectroscopy) is based on the study of the interaction of infrared radiation with material in the wavelength range of 2.5-25 μm …
WebSome widely accepted aging characterization methods of XLPE cables such as the gel content test, differential scanning calorimetry (DSC) test, tensile test and hardness test are employed to obtain the physicochemical, mechanical and electrical properties of the samples. ... Gulmine, J.; Akcelrud, L. FTIR characterization of aged XLPE. Polym ...
WebFTIR parameters are especially valuable for determining the degree of maturity of marine source rocks lacking vitrinite. With increasing maturity, FTIR spectra express four trends: … butt country style ribs recipesWebDec 1, 2012 · DOI: 10.1016/J.POLYMERTESTING.2012.07.015 Corpus ID: 96629656; A novel FTIR-ATR spectroscopy based technique for the estimation of low-density polyethylene biodegradation @article{Rajandas2012ANF, title={A novel FTIR-ATR spectroscopy based technique for the estimation of low-density polyethylene … cd key insurgency sandstormWebApr 10, 2024 · Figure 3 shows the FTIR curves of samples aged in air (0.1 MPa). The characteristic absorption peaks of carbonyl group (C=O) which is the mainly products of the thermo-oxidative aging can be found in this range of 1850–1650 cm −1.Since the change rules of the FTIR curves of samples aged under different pressures of aging atmosphere … butt coverageWebApr 29, 2024 · The FTIR spectra of XLPE samples located at different positions are shown in Figure 7b. The absorbance is quite small and minor differences are detected between each section of unaged samples. ... Li, S. Terahertz time-domain spectroscopy characterization of aged XLPE cable insulation. In Proceedings of the International … cd key italiaWebAug 12, 2024 · In addition, the Fourier transform infrared spectroscopy (FTIR) instrument of Nicolet iS50 was used to test the molecular structure change of the XLPE samples. The spectral range was from 500 to 4000 … cdkey indiaWebApr 10, 2024 · Figure 3 shows the FTIR curves of samples aged in air (0.1 MPa). The characteristic absorption peaks of carbonyl group (C=O) which is the mainly products of … cd key itWebComparison of FT-IR absorption spectra in a wave number range 1400–2000 cm −1 measured before and after concurrent aging at 155 °C ... The present results clearly demonstrate that the carbonyl index is a good indicator of the degradation of XLPE aged purely thermally or concurrently by heat and radiation, showing a significant increase, in ... cd key in steam