Reflective asphalt emulsions and method
US6245850A · kind A · utility
50Cited by
11References
14Claims
0Family size
Inventor
Key dates
| Filing date | Apr 2, 1998 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Apr 2, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D195/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A reflective asphalt emulsion is formed by dispersing asphalt into a slurry of colloidal clay at high shear and thereafter blending titanium dioxide and diatomaceous earth filler, and optionally acrylic latex, at low shear into the emulsion of clay and asphalt to form a white to light gray emulsion having a soft consistency and good shelf life. Particle sizes of the employed asphalt are controlled in order to preserve reflectivity of the finished emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.