Binder modified with glycerol for making asphalt mixes with a hicontent of recycled bituminous materials
US9115284B2 · kind B2 · utility
6Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Feb 20, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention generally relates to asphalt mixes with a high content of recycled bituminous materials including a binder modified with glycerol. The present invention further relates to a method for preparing the asphalt mixes and to the use of the asphalt mixes as materials for making courses and/or surfacing for road construction and/or civil engineering. The present invention also relates to the use of glycerol as a correcting agent for the workability and/or of the thermal cracking resistance and/or of the rutting resistance of an asphalt mix with a high content of recycled bituminous materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.