Cross-linking compositions for polymer-modified asphalt compositions
US7402619B2 · kind B2 · utility
17Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | May 3, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising elemental sulfur, a sulfur-containing derivative, a sulfur activator, a fatty acid or fatty acid derivative and a polymeric carrier. Compositions according to the invention are particularly useful in preparing polymer-modified asphalt (“PMA”) for road applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.