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On the existence of wax-induced phase separation in bitumen.

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Title: On the existence of wax-induced phase separation in bitumen.
Authors: Schmets, Alexander1 (AUTHOR), Kringos, Niki1 (AUTHOR) n.kringos@tudelft.nl, Pauli, T.2 (AUTHOR), Redelius, Per3 (AUTHOR), Scarpas, Tom1 (AUTHOR)
Source: International Journal of Pavement Engineering. Dec2010, Vol. 11 Issue 6, p555-563. 9p. 5 Color Photographs, 1 Diagram, 1 Chart, 3 Graphs.
Subjects: Bitumen, Phase separation method (Engineering), Atomic force microscopy, Neutrons, Hydrocarbons
Abstract: In previous research efforts, it has been shown that at elevated temperatures, the wax content in bitumen does not have a significant impact on the rutting behaviour of asphaltic mixes. However, the presence of wax in bitumen does cause a physical hardening effect at lower temperatures, which encourages the propagation of cracks. Using waxy bitumen, asphalt mixtures tended to exhibit a higher fracture temperature. The study implied that the effect of wax on bitumen quality and asphalt mixture performance depended on many factors, such as precise chemical composition of the bitumen and particularly the nature of the wax. In the current paper, the discussion of the effect of wax on bitumen is continued. In this paper, atomic force microscopy and neutron scattering techniques are utilised to confirm the appearance of wax-induced phase separation and a new hypothesis is developed for its effect on the cracking and healing potential of the bitumen. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Pavement Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 54643577
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: On the existence of wax-induced phase separation in bitumen.
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  Data: <searchLink fieldCode="AR" term="%22Schmets%2C+Alexander%22">Schmets, Alexander</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kringos%2C+Niki%22">Kringos, Niki</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> n.kringos@tudelft.nl</i><br /><searchLink fieldCode="AR" term="%22Pauli%2C+T%2E%22">Pauli, T.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Redelius%2C+Per%22">Redelius, Per</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Scarpas%2C+Tom%22">Scarpas, Tom</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Pavement+Engineering%22">International Journal of Pavement Engineering</searchLink>. Dec2010, Vol. 11 Issue 6, p555-563. 9p. 5 Color Photographs, 1 Diagram, 1 Chart, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Bitumen%22">Bitumen</searchLink><br /><searchLink fieldCode="DE" term="%22Phase+separation+method+%28Engineering%29%22">Phase separation method (Engineering)</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+force+microscopy%22">Atomic force microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Neutrons%22">Neutrons</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrocarbons%22">Hydrocarbons</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In previous research efforts, it has been shown that at elevated temperatures, the wax content in bitumen does not have a significant impact on the rutting behaviour of asphaltic mixes. However, the presence of wax in bitumen does cause a physical hardening effect at lower temperatures, which encourages the propagation of cracks. Using waxy bitumen, asphalt mixtures tended to exhibit a higher fracture temperature. The study implied that the effect of wax on bitumen quality and asphalt mixture performance depended on many factors, such as precise chemical composition of the bitumen and particularly the nature of the wax. In the current paper, the discussion of the effect of wax on bitumen is continued. In this paper, atomic force microscopy and neutron scattering techniques are utilised to confirm the appearance of wax-induced phase separation and a new hypothesis is developed for its effect on the cracking and healing potential of the bitumen. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of International Journal of Pavement Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/10298436.2010.488730
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 9
        StartPage: 555
    Subjects:
      – SubjectFull: Bitumen
        Type: general
      – SubjectFull: Phase separation method (Engineering)
        Type: general
      – SubjectFull: Atomic force microscopy
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      – SubjectFull: Neutrons
        Type: general
      – SubjectFull: Hydrocarbons
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      – TitleFull: On the existence of wax-induced phase separation in bitumen.
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            NameFull: Schmets, Alexander
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            NameFull: Pauli, T.
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            NameFull: Redelius, Per
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            – D: 01
              M: 12
              Text: Dec2010
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              Y: 2010
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