Xiaohu Lu
Nynas
CreepWaxComposite materialFourier transform infrared spectroscopyAsphaltChemistryHardening (metallurgy)ViscoelasticityMaterials scienceRheometerRheologyStyrene-butadieneStyreneDynamic shear rheometerCharacterization (materials science)Polymer modifiedChemical engineeringAgeingPolymerGel permeation chromatographyDynamic mechanical analysisRutSecondary ion mass spectrometryMicrostructure
76Publications
27H-index
2,831Citations
Publications 78
Newest
#1Hilde SoenenH-Index: 12
#2Xavier CarbonneauH-Index: 1
Last. Benoit TapinH-Index: 1
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#1Jiqing ZhuH-Index: 12
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#1Xiaohu Lu (Nynas)H-Index: 27
#2Hilde SoenenH-Index: 12
Last. Georgios Pipintakos (University of Antwerp)H-Index: 5
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Abstract null null Asphaltenes and maltenes of bitumen before and after aging are investigated by differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR), proton nuclear magnetic resonance spectroscopy (1H NMR), time of flight - secondary ion mass spectrometry (TOF-SIMS), and gel permeation chromatography (GPC). It has been shown that bitumen differs in terms of wax. After fractionation, more wax is found in the maltenes compared to the bitumen, and this is even m...
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Field ageing is investigated based on recovered binders. Fifteen sections were considered, consisting of unmodified and polymer-modified binders (PmB). Binders were recovered from the wearing cours...
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#1Xiaohu Lu (Nynas)H-Index: 27
#2Peter Sjövall (Research Institutes of Sweden)H-Index: 33
Last. Martin Andersson (Research Institutes of Sweden)H-Index: 2
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Microstructures of bitumen surfaces (both air-cooled and fractured) were imaged by atomic force microscopy (AFM) and chemically characterised by time-of-flight secondary ion mass spectrometry (TOF-...
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#1Jiqing Zhu (Transport Research Institute)H-Index: 12
#2Xiaohu Lu (Nynas)H-Index: 27
Last. Anders GudmarssonH-Index: 6
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#1Peter SjövallH-Index: 33
#2Kyle D. BakeH-Index: 12
Last. Oliver C. MullinsH-Index: 68
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Abstract Here, kerogens of differing heat treatments are subjected to extremely high dissociation energies by sample bombardment by 25 keV Bi3+ primary ions during analysis by time-of-flight secondary ion mass spectrometry (TOF-SIMS). Positive and negative secondary ions are produced from this decomposition and fragment ion distributions of model compounds and kerogens are compared and starkly different results are obtained for cations versus anions. Cations exhibit a large range of C/H ratios a...
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#1Elena GaudenziH-Index: 2
Last. Fabrizio CardoneH-Index: 15
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Nowadays, the growing energy costs and pressing worldwide demand for petroleum-based products create a strong need to develop alternative binders deriving from green and renewable sources. Bio-binders (or bitumen added to bio-based materials) can potentially be a viable alternative for the production of bituminous mixture, promoting the circular economy as well as environmental sustainability principles without reducing the overall performance of the mixture. In this context, the current study f...
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#1Xiaohu Lu (Nynas)H-Index: 27
#2Peter Sjövall (Research Institutes of Sweden)H-Index: 33
Last. Michalina Makowska (Aalto University)H-Index: 6
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The oxidative aging of bitumen was investigated chemically and structurally using SARA analysis, TOF-SIMS and AFM. Typical wax-containing and non-waxy bitumen samples were selected. Short- and long...
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#2H.Y. Vincent ChingH-Index: 12
Last. Xiaohu LuH-Index: 27
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