Thermoreversibly crosslinked bitumen/polymer composition
US8273809B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 17, 2008 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Oct 21, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L53/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The disclosure relates to a bitumen/polymer composition comprising at least one bitumen and at least one graft polymer, the grafts enabling the bitumen/polymer compositions to be thermoreversibly cross-linked. The disclosure also relates to the use of said bitumen/polymer compositions in fields of application relating to roads, especially in the production of asphalt binders, and in industrial fields of application. The disclosure further relates to the method for producing said thermoreversibly cross-linked bitumen/polymer compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.