Graft polymer and thermoreversibly cross-linked bitumen composition comprising said graft polymer
US8722776B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2011 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Aug 7, 2032 |
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.