AN ATTEMPT TO THE UNDERSTANDING ON THE MECHANISM OF FILM FORMATION OF A BITUMINOUS EMULSION ON MINERAL SUBSTRATE
Surface tension measurements and microscopic observations were undertaken to understand the film formation mechanism of some micrometer fine bitumen droplets in an aqueous phase. After evaporation, the formed bituminous film showed a more hydrophilic behaviour compared to pure bitumen films. By means of atomic force microscopy the film thickness of adsorbed bitumen could be determined and residual surfactant could be localised. Obtained structural information was related to the contact angle measurements: the presence of surfactant in the interstices between bitumen domains could explain the change of the surface properties of the film. For the covering abstract see ITRD E107185.
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Availability:
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Corporate Authors:
FOUNDATION EURASPHALT
PO BOX 255
BREUKELEN, 3620 AG -
Authors:
- LOEBER, L
- Muller, G
- HERITIER, B
- JOLIVET, Y
- MALOT, M
- Conference:
- Publication Date: 2000
Language
- English
Media Info
- Features: References;
- Pagination: p. 335-41
Subject/Index Terms
- TRT Terms: Aggregates; Bituminous mixtures; Coatings; Emulsions; Minerals; Surface active agents; Tests
- ITRD Terms: 4577: Aggregate; 4993: Bitumen emulsion; 4967: Bituminous mixture; 3612: Coating; 4051: Mineral; 4501: Surface active agent; 6255: Test
- Subject Areas: Geotechnology;
Filing Info
- Accession Number: 00804268
- Record Type: Publication
- Source Agency: Transport Research Laboratory
- ISBN: 90-802884-3-8
- Files: ITRD, ATRI
- Created Date: Jan 5 2001 12:00AM