Influence of epoxy soybean oil modified nano-silica on the compatibility of cold-mixed epoxy asphalt

Ding, Gongying; Yu, Xin; Si, Jing; Mei, Jie; Wang, Junyan; Chen, Bei

doi:10.1617/s11527-020-01611-8

Cited by 34 publications

(13 citation statements)

References 39 publications

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“…As a matter of fact, double phase separation [15,110], i.e., phase separations occurred between epoxy and SBS-modified asphalt (SBA) and between SBS and asphalt, was reported for epoxy SBS-modified asphalt (ESA), as shown in Figure 8. Double-phase separation was also observed in RPFR-modified EA, i.e., spherical brominated epoxy oligomer particles disperse in the asphalt phase, which acts as the dispersed phase of the modified EA [38]. Secondary phase separation, dispersed asphalt containing some small yellow epoxy-rich particle, was observed in the EA system with high asphalt concentration (e.g., 50 wt.%) [15].…”

Section: Laser Scanning Confocal Microscope (Lscm) and Fluorescence Microscopy (Fm)mentioning

confidence: 83%

“…Asphalt particle size was reduced with the increase of ESO concentration in blends of CEA and ESO [71,72], as shown in Figure 11, which indicated improved compatibility between asphalt and epoxy. Compatibility of CEA can be further improved by incorporating ESO-modified nanosilica and it increased with increased ESO/nanosilica content [38]. e particle size of the asphalt phase was also reduced with the increase of ESO-modified nanosilica content.…”

Section: Laser Scanning Confocal Microscope (Lscm) and Fluorescence Microscopy (Fm)mentioning

confidence: 98%

“…To ensure the fire safety and reduce the flammability of its use on tunnel pavement, flame retardants like brucite [13], the mixture of aluminum trihydroxide (ATH), and zinc borate (ZB) [29], the combination of decabromodiphenyl ethane and antimony trioxide (Sb 2 O 3 ) [36], brominated styrene-butadiene-styrene triblock copolymer (BrSBS) [37], and reactive polymeric flame retardant (RPFR) [38] are added.…”

Section: Advances In Materials Science and Engineeringmentioning

confidence: 99%

“…Typical DSC curves for EA can be seen in Figure 13, where EA undergoes phase change during the sudden alternation section [68]. e peak of DSC derivative signal is often taken as T g , which has been measured for shape memory hydrogenated epoxy resin (SM-HER) [77], ESA [68], rubber-like thermosetting epoxy asphalt composite (REAC) [6], brucite-modified EA [13], decabromodiphenyl ethane (DBDPE)/Sb 2 O 3 -modified EA [36], ATH/ZB-retarded CEA [29], PDL-based EA [31], and RPFR-modified EA [38]. Advances in Materials Science and Engineering T g was noted to increase as the curing reaction progresses, with faster crosslinking in neat epoxy polymer than in EA and it indicated that the asphalt binder prohibits the chemical curing process and the interaction between epoxy and asphaltene was limited [58,114].…”

Section: Differential Scanning Calorimetry Dsc Is a Thermoanalytical Technique Which Measures The Dependency Betweenmentioning

confidence: 99%

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Application of Epoxy‐Asphalt Composite in Asphalt Paving Industry: A Review with Emphasis on Physicochemical Properties and Pavement Performances

Chen

Hossiney

Yang

et al. 2021

Advances in Materials Science and Engineering

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One of the failure mechanisms associated with asphalt paving layers, especially on steel deck bridges, is large permanent deformation, which adversely affects its long-term performance in service. Thus, epoxy resin was introduced in asphalt paving industry to tackle permanent deformation of asphalt mixtures due to its thermosetting nature. In this review, epoxy resin as a dominant component of the epoxy-asphalt composite system was first considered, followed by a discussion on its curing methods and curing mechanism. Furthermore, the physicochemical property and mechanical performance of epoxy asphalt and epoxy asphalt mixture were thoroughly examined. Crosslink density of epoxy asphalt dictates its viscosity and thus the allowable construction time. Phase separation and dispersion of asphalt particles in the epoxy matrix was observed for epoxy-asphalt composite, and it showed superior elastic behavior and deformation resistance capability when compared with conventional asphalt materials. Furthermore, epoxy asphalt mixture exhibited significantly higher compressive strength, much better rutting resistance, and superior durability and water resistance properties. However, its low-temperature cracking resistance was slightly compromised.

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Section: Laser Scanning Confocal Microscope (Lscm) and Fluorescence Microscopy (Fm)mentioning

confidence: 83%

Section: Laser Scanning Confocal Microscope (Lscm) and Fluorescence Microscopy (Fm)mentioning

confidence: 98%

Section: Advances In Materials Science and Engineeringmentioning

confidence: 99%

Section: Differential Scanning Calorimetry Dsc Is a Thermoanalytical Technique Which Measures The Dependency Betweenmentioning

confidence: 99%

See 2 more Smart Citations

Application of Epoxy‐Asphalt Composite in Asphalt Paving Industry: A Review with Emphasis on Physicochemical Properties and Pavement Performances

Chen

Hossiney

Yang

et al. 2021

Advances in Materials Science and Engineering

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“…In order to explore the changes of functional groups and chemical components of WPU, WPU/SBS composite modified asphalt was scanned with infrared spectroscopy. Whether WPU reacts with asphalt was characterized by measuring the changes of functional groups of WPU/SBS composite modified asphalt, with the wave number of FTIR ranging from 500 cm −1 to 4000 cm −1 [ 24 ].…”

Section: Methodsmentioning

confidence: 99%

Evaluation of Properties and Micro-Characteristics of Waste Polyurethane/Styrene-Butadiene-Styrene Composite Modified Asphalt

2021

Self Cite

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In order to solve the problems caused by asphalt diseases and prolong the life cycle of asphalt pavement, many studies on the properties of modified asphalt have been conducted, especially polyurethane (PU) modified asphalt. This study is to replace part of the styrene-butadiene-styrene (SBS) modifier with waste polyurethane (WP), for preparing WP/SBS composite modified asphalt, as well as exploring its properties and microstructure. On this basis, this paper studied the basic performance of WP/SBS composite modified asphalt with a conventional performance test, to analyze the high- and low-temperature rheological properties, permanent deformation resistance and storage stability of WP/SBS composite modified asphalt by dynamic shear rheometer (DSR) and bending beam rheometer (BBR) tests. The microstructure of WP/SBS composite modified asphalt was also observed by fluorescence microscope (FM) and Fourier transform infrared spectroscopy (FTIR), as well as the reaction between WP and asphalt. According to the results of this study, WP can replace SBS as a modifier to prepare WP/SBS composite modified asphalt with good low-temperature resistance, whose high-temperature performance will be lower than that of SBS modified asphalt. After comprehensive consideration, 4% SBS content and 15% WPU content (4 S/15 W) are determined as the suitable types of WPU/SBS composite modified asphalt.

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Fully Atomistic Molecular Dynamics Simulation of the Structure and Morphology of Small‐Molecular Additives in Rubber Matrices

Liu

Duan

Zhao

et al. 2022

Macro Theory & Simulations

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This work investigates the compatibility of ten commercially available accelerators and ten antioxidants with three types of rubber by using molecular dynamics simulation. By constructing fully atomistic models of rubber and small molecules, firstly, the length and number of polymer chains, as well as the number of small molecules are optimized by calculating the solubility parameter. All simulated systems are guaranteed to reach equilibrium by checking the change of the density and energy. Then this work shows that the simulated results match well with each other, which are obtained from the value and the difference of the binding energy of the rubber systems, fractional free volume of the rubber systems, and self-diffusion coefficient of small molecules calculated from the mean square displacement-time curve. And some small molecules which are more compatible with rubbers are found. More importantly, this study can further determine their compatibility preference by calculating the partition coefficients of small molecules in the rubber blends. Meanwhile, the temperature effect on the change of the compatibility is as well examined. In general, this work provides some guidance for determining the compatibility between rubber and small-molecule additives, enabling the design of high-performance rubber materials.

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Influence of epoxy soybean oil modified nano-silica on the compatibility of cold-mixed epoxy asphalt

Cited by 34 publications

References 39 publications

Application of Epoxy‐Asphalt Composite in Asphalt Paving Industry: A Review with Emphasis on Physicochemical Properties and Pavement Performances

Application of Epoxy‐Asphalt Composite in Asphalt Paving Industry: A Review with Emphasis on Physicochemical Properties and Pavement Performances

Evaluation of Properties and Micro-Characteristics of Waste Polyurethane/Styrene-Butadiene-Styrene Composite Modified Asphalt

Fully Atomistic Molecular Dynamics Simulation of the Structure and Morphology of Small‐Molecular Additives in Rubber Matrices

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