Asphalt composition, method for producing same and additive for asphalt
US11066558B2 · kind B2 · utility
0Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2018 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Jul 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/86
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an asphalt composition enabling one to provide an asphalt pavement in which the occurrence of rutting and fatigue cracking is inhibited and a method for producing the same, and to an additive for asphalt. The asphalt composition contains asphalt and cellulose, wherein the content of the cellulose is 0.01 part by mass or more and 10 parts by mass or less based on 100 parts by mass of the asphalt, and a crystallization index of the cellulose is 50% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.