Influence of polyethylene glycol (PEG) chain on the performance of epoxy asphalt binder and mixture

Min, Zhaohui; Wang, Qichang; Xie, Yuxiang; Xie, Jiaqin; Zhang, Bo

doi:10.1016/j.conbuildmat.2020.121614

Cited by 32 publications

(18 citation statements)

References 19 publications

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“…Higher content of Sasobit within WMEA can also lead to lower T g values [123]. For EA modified with polyethylene glycol, higher molecular weight can reduce its T g values [133]. Meanwhile, addition of SBS increased T g as compared with neat EA [80].…”

Section: Dynamic Viscoelasticitymentioning

confidence: 99%

“…EAM with higher crosslink density, higher polymer content, and lower oil content possess higher Marshall stability [4]. However, EAM modified by polyethylene glycol with high molecular weight exhibited significantly compromised Marshall stability [133].…”

Section: Noise Absorptionmentioning

confidence: 99%

“…Glass fiber [104] or mineral fiber [105] can significantly improve low-temperature cracking resistance of EAM based on increased flexural strength, flexural strain, and flexural stiffness, and optimum content was determined to be 9%. EAM prepared with polyethylene glycol was also reported to have improved low-temperature cracking resistance and toughness by introducing long molecular chains within the crosslinked network for EA [133]. After 30 freeze-thaw cycles (18 h freezing at −5°C and 6 h soaking in 4°C water), flexural stiffness from three-point bending tests at −14°C was reduced by 60.3% [158], which is a significant damage to EAM.…”

Section: Dynamic Stabilitymentioning

confidence: 99%

“…e TSR value for EAM with up to 50% glass aggregates was still higher than 80%, whereas the TSR value for SBA mixture dropped below 80% with even only 16% glass aggregates [107]. e decrease in TSR for polyethylene glycol modified EAM was due to its inability to accommodate volume expansion caused by water freezing [133], which was hard and brittle at low temperatures.…”

mentioning

confidence: 93%

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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: Dynamic Viscoelasticitymentioning

confidence: 99%

Section: Noise Absorptionmentioning

confidence: 99%

Section: Dynamic Stabilitymentioning

confidence: 99%

mentioning

confidence: 93%

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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“…Fuhaid et al [16] developed a kind of biobased epoxy modified asphalt by using epoxy soybean oil (ESO) and bio curing agent maleic anhydride (MA), it was found that the corresponding mixtures showed higher Marshall stability than a mixture comprising the base asphalt. Through investigating the influence of polyethylene glycol on the mechanical properties of epoxy asphalt mixtures, Min [17] found that the incorporation of polyethylene glycol can significantly improve the low-temperature performance and toughness of epoxy asphalt mixtures. A novel approach of applying the combination of polyurethane and epoxy resin was proposed by Zhang et al [18] to modify the asphalt mixtures, test results indicated that the optimal content of polyurethane and epoxy resin were 8 wt% and 32 wt%, respectively, the relevant asphalt mixtures exhibited superior low-temperature cracking resistance than epoxy asphalt mixtures.…”

Section: Introductionmentioning

confidence: 99%

Laboratory Research and Evaluation on Design and Application Performance of High-Performance Cold-Mix Resin

Zeng

Gao

et al. 2021

Materials

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To improve the safety of orthotropic steel bridge decks and the construction efficiency of bridge deck pavement by enhancing the performance of pavement materials, a new-generation, high-performance cold-mix resin was prepared by carrying out the combination of micro-characteristic analysis and performance test. Meanwhile, the pavement performance and fatigue performance of high-performance cold-mix resin mixtures and hot-mix epoxy saphalt mixtures as a control group were studied experimentally. The results show that different kinds of epoxy resins show bisphenol structure in essence. The curing exothermic peak temperature of the cold-mix resin increases with the heating rate. Both the specific heat capacity (△CP) of cold-mix resin and cold-mix resin asphalts exhibit a sudden change between −20 °C and 40 °C. In resin asphalt mixtures, cold-mix resin forms the network structure skeleton whereas the asphalt distributed in the form of tiny particles. The dosage of respective component has a significant effect on the tensile strength and elongation at break of cold-mix resin. Compared with hot-mix epoxy asphalt mixtures, cold-mix resin mixtures exhibit comparable water stability and high and low-temperature performance, as well as greater fatigue life.

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Research on the thermal oxygen aging mechanism of the composite curing system epoxy asphalt with different curing agent proportions on the molecular scale

Min

Shi

et al. 2023

J of Applied Polymer Sci

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To study the influence of the cross‐linking network on the thermal oxygen aging performance of the epoxy asphalt, the laser copolymerization microscopy, Fourier transform infrared spectroscopy and element analysis tests were used to characterize the changes in chemical components of epoxy asphalt with composite curing system during thermal oxygen aging. According to the changes in chemical components, the epoxy asphalt molecular models were constructed. The diffusion behavior of oxygen atoms was analyzed, the aging degree was determined. Moreover, the Tg and radial distribution function were calculated to determine the effect of aging on the low‐temperature performance and component distribution of epoxy asphalt. The results show that a proper proportion of curing agent helped to uniform distribution of the asphalt phase. The rise in anhydride curing agent content increased the density of crosslinking network, limited the diffusion of oxygen atoms, and contributed to the resistance of epoxy asphalt chemical components to thermal oxygen aging. However, the high proportion of anhydride aggravated the oxidation reaction of the asphalt phase due to the uneven coating of the asphalt phase. After thermal oxygen aging, the distribution of asphaltene and epoxy resin phase showed a concomitant phenomenon due to polarity adsorption.

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Influence of polyethylene glycol (PEG) chain on the performance of epoxy asphalt binder and mixture

Cited by 32 publications

References 19 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

Laboratory Research and Evaluation on Design and Application Performance of High-Performance Cold-Mix Resin

Research on the thermal oxygen aging mechanism of the composite curing system epoxy asphalt with different curing agent proportions on the molecular scale

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