The effect of Lucobit polymer on bitumen performance

Ziari, Hassan; Akbari, Taha; Farahani, Hosein Zanjirani; Goli, Ahmad

doi:10.1080/10916466.2013.769572

Cited by 12 publications

(3 citation statements)

References 6 publications

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“…Compared with heavy calcium and ordinary light calcium, nano-calcium carbonate has a weak coating effect [16]. It can improve concealment, gloss transparency, quick-drying, and coating stability.…”

Section: Application Of Nano-calcium Carbonate In Coatingsmentioning

confidence: 99%

The Application of Nano-Calcium Carbonate in the Technology of Improving Road Petroleum Asphalt

Wang

2022

Advances in Materials Science and Engineering

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Nano-calcium carbonate is a new type of nanomaterial, which has great influence in many fields. In order to explore the influence of nano-calcium carbonate on petroleum asphalt, an experiment was designed to analyze the application of nano-calcium carbonate in improving road petroleum asphalt technology. This article explores the methods of preparing nano-calcium carbonate and petroleum pitch, understands the characteristics of the two materials, and then draws two methods of mixing nano-calcium carbonate and petroleum pitch: one is freezing and disintegrating, and the other is stepwise mixing fusion. In this paper, the fusion-modified asphalt is subjected to grouping experiments on the prediction model and “three indicators.” The experimental results show that with the increase in nano-calcium carbonate, the ductility of the modified asphalt decreases, the softening point increases, and the penetration is 15% reaching the maximum value. Nano-calcium carbonate is very suitable for improving road petroleum asphalt.

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Section: Application Of Nano-calcium Carbonate In Coatingsmentioning

confidence: 99%

The Application of Nano-Calcium Carbonate in the Technology of Improving Road Petroleum Asphalt

Wang

2022

Advances in Materials Science and Engineering

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“…However, over the last few decades, continually increasing traffic volumes, heavier vehicle loads, unexpected weather extremes, and slight variations in ground conditions have posed major challenges to the consistency of pavements. Indeed, these challenges are mainly due to the inadequate mechanical properties of asphalt [1][2][3]. Considering that it is difficult for small-hydrocarbon compounds in asphalt to chemically react with other substances, and thus improve their mechanical properties, polymers usually modify asphalt to enhance its viscoelasticity.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Rheological Properties and Storage Stability of Waste Polyethylene/Ethylene–Vinyl Acetate-Modified Asphalt with Crosslinking and a Silicone Coupling Agent

Zhou²,

Song

et al. 2023

Materials

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As the market for polyethylene consumption continues to expand, the amount of waste polyethylene is also increasing. Modifying asphalt with waste polyethylene (PE) is economical and environmentally friendly. The low-temperature performance and storage stability of PE-modified asphalt has long been an insurmountable problem. The high vinyl acetate (VA) content of ethylene–vinyl acetate (EVA) and PE blended into asphalt can improve the compatibility of PE and asphalt. It compensates for the high VA content of EVA brought about by the lack of high-temperature resistance to permanent deformation but is still not conducive to the stable storage of PE at high temperatures. The effect of furfural extraction oil, a crosslinking (DCP) agent, a silicone coupling agent (KH-570), and calcium carbonate (CaCO3) on the rheological properties and compatibility of PE/EVA-modified asphalt was investigated in this study. The conventional physical properties of PE/EVA-modified asphalt were tested after introducing furfural extraction oil, DCP, KH570, and CaCO3 to determine the correlations of these materials. In addition, frequency sweep, multiple stress creep and recovery (MSCR), and linear amplitude sweep (LAS) were utilized to characterize the rheological properties and fatigue behavior. The results reveal that the addition of suitable ratios of furfural extract oil, DCP, KH-570, and CaCO3 to PE/EVA-modified asphalt produces a remarkable improvement in the viscoelastic characteristics and viscosity compared with PE/EVA-modified asphalt. Furthermore, fluorescence microscopy (FM) was utilized to evaluate the modification mechanism, which shows that PE/EVA undergoes significant crosslinking in asphalt, forming a three-dimensional network structure that dissolves in the asphalt. The storage stability of the PE-modified bitumen was fully determined, and its high-temperature rheology was substantially improved.

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“…According to previous studies, it has been found that asphalt mixtures produced with this type of bitumen have good resistance against rutting, permanent deformations, and fatigue cracking. Also, these mixtures have higher resistance against reflective cracks [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Rheological Evaluation of Modified Bitumen by EVA and Crumb Rubber Using RSM Optimization

Dehnad

Damyar

Farahani

2021

Advances in Materials Science and Engineering

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In the present study, ethylene-vinyl acetate (EVA) and crumb rubber (CR) were used as bitumen modifiers. The experiment was designed by response surface methodology (RSM) at different levels of modifier additives based on the central composite design (CCD). Next, the Superpave protocol was followed to evaluate the modified bitumen performance at different temperatures compared with the unmodified bitumen. In this regard, to evaluate at high temperatures, a dynamic shear rheometer (DSR) test was performed, and G ∗ /sinδ index was examined on bitumen samples after aging. Besides, the bending beam rheometer (BBR) test was performed to evaluate the low-temperature behaviour of the modified bitumen according to the SHRP standard based on the creep stiffness and creep rate. The optimal combination of additives was evaluated using RSM and analysis of statistical values to improve the performance properties of bitumen at high and low temperatures. Moreover, based on the DSR and BBR test results, 5.6% of EVA and 3.9% of CR were selected as the optimal values for the modified bitumen behaviour at the high and low temperatures of the mixture.

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The effect of Lucobit polymer on bitumen performance

Cited by 12 publications

References 6 publications

The Application of Nano-Calcium Carbonate in the Technology of Improving Road Petroleum Asphalt

The Application of Nano-Calcium Carbonate in the Technology of Improving Road Petroleum Asphalt

Investigation of the Rheological Properties and Storage Stability of Waste Polyethylene/Ethylene–Vinyl Acetate-Modified Asphalt with Crosslinking and a Silicone Coupling Agent

Rheological Evaluation of Modified Bitumen by EVA and Crumb Rubber Using RSM Optimization

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