Ageing and moisture effects on the morphology and adhesion properties of polyurethane modified bitumen with cecabase
Source abstract
Abstract
The number of studies on using polyurethane as bitumen modifier has been increasing in recent years. With the increase in the demand for more durable and sustainable road paving materials it is crucial to understand the short and long-term behaviour of modified bitumens. This study employs the Atomic Force Microscopy tests to examine how ageing affects the morphological and adhesion properties of Polyurethane Modified Bitumen enhanced with a chemical Warm Mix Asphalt (Cecabase). The ageing and moisture effects were quantified using Atomic Force Microscopy to gain detailed insights into the microscale topographical changes and conduct spectroscopy analysis of the modified bitumen. The Atomic Force Microscopy analysis revealed that ageing and moisture reduce the bee-structure through 2D and 3D topography images. The presence of moisture has been seen to modify the surface roughness with the incorporation of Cecabase. Despite the overall trend of roughness decreasing in long-term aged conditions, there is an increase of 4.0% for bitumen with polyurethane, 12.4% for bitumen combined with polyurethane and cecabase, and 35.4% for bitumen augmented with cecabase, in comparison to base bitumen in unaged conditions. The tip deflection ratio which examined the sensitivity of the sample to the presence of water from the spectroscopy analysis showed that incorporating Cecabase decreased by 9.8% and 4.7% respectively after short term and long term aged conditions that proved the characteristic of Cecabase reducing the viscosity of the bitumen. The smaller tip deflection value also indicates that the ageing process stiffened the bitumen. The adhesive force analysis revealed that ageing has a considerable detrimental effect on the bitumens’ adhesive force where during short term condition, the most reduction value of 21nN was recorded for sample incorporating with Polyurethane and Cecabase. Moisture also affected the adhesive force by lowering the adhesive force values of all samples when compared to dry conditions. However, incorporating Polyurethane and Cecabase improved the aggregate-bitumen adhesion, as indicated by the higher adhesive force values observed in dry and wet conditions as well after ageing when compared to the base bitumen. These findings proved the benefits of adding Polyurethane with Cecabase to bitumen as a modifier for Warm Mix Asphalt application.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Asphalt Pavement Performance Evaluation · Corrosion Behavior and Inhibition · Concrete Corrosion and Durability
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (69)
Show source-provided references
1. Rheological and morphological characterization of modified bitumen with cup lump rubber10.32604/jrm.2023.026751 ↗
2. Structural behavior of the geothermo-electrical asphalt pavement: a critical review concerning climate change
3. Rheological properties and-microcharacteristics of polyurethane composite modified asphalt10.1016/j.conbuildmat.2019.117395 ↗
4. Study on the classical and rheological properties of castor oil-polyurethane pre polymer (C-PU) modified asphalt10.1016/j.conbuildmat.2016.02.207 ↗
5. Recent applications and developments of polyurethane materials in pavement engineering10.1016/j.conbuildmat.2021.124639 ↗
6. Modification mechanism and performance of polyurethane modified asphalt
7. Reliability-based assessment of deteriorating performance to asphalt pavement under freeze-thaw cycles in cold regions10.1016/j.conbuildmat.2014.07.004 ↗
8. Mechanical performance analysis of polyurethane-modified asphalt using molecular dynamics method10.1002/pen.25760 ↗
9. Laboratory investigation of PPG-TDI Polyurethane–Modified asphalt binders and mixtures10.1061/(ASCE)MT.1943-5533.0004367 ↗
10. Feasibility analysis of Polyurethane-Prepolymer-Modified bitumen used for fully reclaimed asphalt pavement (FRAP)10.3390/ma16165686 ↗
11. Preparation process and performance of Polyurethane-Modified bitumen for ultrathin asphalt layers10.1061/JMCEE7.MTENG-15882 ↗
12. Mechanism of polyurethane binder curing reaction and evaluation of polyurethane mixture properties10.3390/coatings11121454 ↗
13. Efficacy of biobased polyurethane on bitumen self-healing
14. Modification mechanism and performance of high‑content polyurethane‑modified asphalt10.3390/coatings15010075 ↗
15. Study on the performance and mechanism of physicochemically modified asphalt based on spatial crosslinking by crumb rubber and polyurethane precursor
16. Performance and morphology of waterborne polyurethane asphalt in the vicinity of phase inversion10.3390/ma17133368 ↗
17. Research on rheological properties and modification mechanism of waterborne polyurethane modified bitumen10.1016/j.conbuildmat.2023.130775 ↗
18. Performance characteristics of thermosetting polyurethane modified asphalt binder and its mixtures. Materials and technology
19. Stabilization of expansive soil using hydrophobic polyurethane foam: a review10.1016/j.trgeo.2020.100494 ↗
20. A comparative review of hot and warm mix asphalt technologies from environmental and economic perspectives: towards a sustainable asphalt pavement
21. Evaluation of the field-aged performance of foamed warm mix asphalt: comparisons with hot mix asphalt
22. Analysis of the viscosity and self-healing performance of warm-mix recycled asphalt: a method combining molecular dynamics simulations and laboratory tests
23. & others. Study on viscosity reduction mechanism of warm‑mixed rubber modified asphalt: a Green sustainable perspective
24. Laboratory and construction evaluation of warm mix asphalt
25. Rheological investigations on warm mix asphalt binders at high and intermediate temperature ranges
26. Utilization of recycled plastics in warm mix asphalt: effect on compactability and mechanical performance
27. Enhancement of low temperature crack resistance of warm mix asphalt with plastic‑waste‑derived additive synthesised by co‑pyrolysis method10.1080/10298436.2024.2431603 ↗
28. Effect of warm mix agent on the chemo‑mechanical performance of binder with different oil sources10.3389/fenrg.2023.1337846 ↗
29. Experimental investigation and statistical analysis of performance of ceramic fiber‑reinforced warm asphalt mixtures containing reclaimed asphalt pavement10.1016/j.conbuildmat.2024.139230 ↗
30. Investigation of rheological properties and modification mechanism of SBS-modified asphalt with different warm mix additives10.1080/10298436.2024.2328130 ↗
31. Feasibility of warm mix asphalt in Arkansas
32. Engineering and leaching properties of asphalt binders modified with polyurethane and cecabase additives for warm-mix asphalt application10.1016/j.conbuildmat.2019.117699 ↗
33. Structural characterization of micromechanical properties in asphalt using atomic force microscopy10.1061/(ASCE)MT.1943-5533.0000510 ↗
34. Research on the aging and rejuvenation mechanisms of asphalt using atomic force microscopy10.1016/j.conbuildmat.2018.02.008 ↗
35. Evaluation of bio-binder modified asphalt’s adhesion behavior using sessile drop device and atomic force microscopy10.1016/j.conbuildmat.2017.03.114 ↗
36. Micromechanical and chemical characterization of foamed Warm-Mix asphalt aging
37. Analysis of moisture susceptibility of foamed warm mix asphalt based on cohesion, adhesion, bond strength, and morphology10.1016/j.jclepro.2020.123334 ↗
38. Investigation of microscale aging behavior of asphalt binders using atomic force microscopy10.1016/j.conbuildmat.2016.12.180 ↗
39. Morphological studies of polyurethane based pressure sensitive adhesives by tapping mode atomic force microscopy
40. Rheological and morphological characterization of cup lump rubber‑modified bitumen with evotherm additive10.1007/s13369-023-07710-2 ↗
41. Physicochemical and thermal analyses of polyurethane modified bitumen incorporated with cecabase and rediset: optimization using response surface methodology10.1016/j.fuel.2019.115662 ↗
42. Chemical analyses of palm kernel Oil-Based polyurethane prepolymer
43. Leon, J. and Luca, V. Warm Mix Asphalts Additive with Cecabase RT Additive: Properties and Advantages. (2013). 〈https://api.semanticscholar.org/CorpusID:20176278〉.
44. Effects of non-foaming WMA additives on asphalt binders at high performance temperatures10.1016/j.fuel.2011.09.017 ↗
45. Khairuddin · 2021 · 333
46. AFM study of asphalt binder “bee” structures: origin, mechanical fracture, topological evolution, and experimental artifacts10.1039/C5RA13982A ↗
47. High temperature AFM study of CAP 30 / 45 pen grade bitumen10.1111/j.1365-2818.2009.03354.x ↗
48. Analysis of base bitumen chemical composition and aging behaviors via atomic force microscopy-based infrared spectroscopy10.1016/j.fuel.2019.116845 ↗
49. Physical and morphological properties of polyurethane modifed bitumen under ageing conditions10.21660/2023.105.s8610 ↗
50. Compositional mapping of bitumen using local electrostatic force interactions in atomic force microscopy10.1111/jmi.12475 ↗
51. Effect of aging on the morphology of bitumen by atomic force microscopy10.1111/j.1365-2818.2011.03578.x ↗
52. Effect of aging on morphology of organo-montmorillonite modified bitumen by atomic force microscopy10.1111/j.1365-2818.2010.03435.x ↗
53. Newly observed effects of water on the microstructures of bitumen surface
54. Characterization of asphalt materials’ moisture susceptibility using multiple methods10.1016/j.conbuildmat.2017.08.032 ↗
55. Effects of rediset on the adhesion, stripping, thermal and surface morphologies of PG76 binder10.1016/j.conbuildmat.2019.117923 ↗
56. Physicothermal and topography analysis of polyurethane modified bitumen with rediset for WMA application10.5614/j.eng.technol.sci.2023.55.1.4 ↗
57. Nanoscale quantification of moisture susceptibility of paving asphalts10.1051/matecconf/201927103005 ↗
58. Adhesion characteristics of graphene oxide modified asphalt unveiled by surface free energy and AFM-scanned micro-morphology10.1016/j.conbuildmat.2020.118404 ↗
59. Physical, thermal and micro‑surface characteristics of PG76 binder incorporated with liquid chemical WMA additive10.1016/j.conbuildmat.2020.121626 ↗
60. New direct observations of asphalts and asphalt binders by scanning electron microscopy and atomic force microscopy10.1046/j.1365-2818.1996.134416.x ↗
61. Adhesive surface characteristics of bitumen binders investigated by atomic force microscopy10.1016/j.fuel.2013.05.042 ↗
62. Little · 2007
63. Force measurements with the atomic force microscope: technique, interpretation and applications10.1016/j.surfrep.2005.08.003 ↗
64. A review on moisture damages of hot and warm mix asphalt and related investigations10.1016/j.jclepro.2015.03.028 ↗
65. Relationship among cohesion, adhesion, and bond strength: from multi-scale investigation of asphalt-based composites subjected to laboratory-simulated aging
66. Quantitative temperature-depending mapping of mechanical properties of bitumen at the nanoscale using the AFM operated with PeakForce tapping mode10.1111/jmi.12036 ↗
67. Nano-scale properties of warm-modified bituminous binders determined with atomic force microscopy
68. Surface free energy and moisture susceptibility evaluation of asphalt binders modified with surfactant-based chemical additive10.1016/j.jclepro.2015.10.101 ↗
69. Preparation process and performance of Polyurethane-Modified bitumen for ultrathin asphalt layers10.1061/JMCEE7.MTENG-15882 ↗