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Effect of shear processing on the linear viscoelastic behaviour and microstructure of bitumen/montmorillonite/MDI ternary composites
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Ortega, Francisco J., Navarro, Francisco J., García-Morales, Moisés and McNally, Tony (2017) Effect of shear processing on the linear viscoelastic behaviour and microstructure of bitumen/montmorillonite/MDI ternary composites. Journal of Industrial and Engineering Chemistry, 48 (25). pp. 212-223. doi:10.1016/j.jiec.2017.01.004
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Official URL: http://dx.doi.org/10.1016/j.jiec.2017.01.004
Abstract
Polymer modified bitumens (PMBs) have largely been utilized as a construction material. However, lack of affinity between bitumen and polymer leads to phase separation, and eventually, performance depletion. In this paper, alternative formulations of bitumen with an organically-modified montmorillonite (OMMT) Cloisite 20A® and polymeric methylene diphenyl diisocyanate (MDI) were prepared by melt blending. Their comprehensive rheological characterization evidenced improved linear viscoelastic properties when OMMT is added, revealing a noticeable structural reinforcement and thermal stability. Rheological data also showed that MDI-involved reactions control the composite end properties, being greatly influenced by the shear conditions applied.
| Item Type: | Journal Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TP Chemical technology | ||||||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||
| Library of Congress Subject Headings (LCSH): | Bitumen, Isocyanates, Nanocomposites (Materials) | ||||||||||
| Journal or Publication Title: | Journal of Industrial and Engineering Chemistry | ||||||||||
| Publisher: | Elsevier | ||||||||||
| ISSN: | 1226-086X | ||||||||||
| Official Date: | April 2017 | ||||||||||
| Dates: |
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| Date of first compliant deposit: | 9 January 2017 | ||||||||||
| Volume: | 48 | ||||||||||
| Number: | 25 | ||||||||||
| Page Range: | pp. 212-223 | ||||||||||
| DOI: | 10.1016/j.jiec.2017.01.004 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Funder: | Spain. Ministerio de Economía y Competitividad [Ministry of Economy and Competitiveness] (MINECO), Federación Española de Enfermedades Raras [Spanish Federation of Rare Diseases] (FEDER) | ||||||||||
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