Method for preparing a bitumen emulsion, corresponding bitumen emulsion and use thereof
US6576050B1 · kind B1 · utility
26Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 7, 2000 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jan 7, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C7/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the manufacture of an emulsion of bituminous binder, comprisinga) the preparation of a concentrated primary. emulsion containing a surfactant and at least 65% by weight in the case of an anionic emulsion, or at least 70% by weight in the case of the other emulsions, of bituminous binder, by mixing an initial aqueous phase and a liquid bituminous phase under the effect of a mechanical shear energy and in the presence of the said surfactant; andb) the addition of an aqueous dilution phase to the said primary emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.